Annual report [Section 13 and 15(d), not S-K Item 405]

Consolidated Schedule of Investments

v3.25.4
Consolidated Schedule of Investments - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Investments [Line Items]      
Cost $ 1,259,923 [1],[2],[3] $ 1,138,745 [4],[5],[6]  
Fair value $ 1,335,387 [1],[2],[7] $ 1,177,507 [4],[5],[8]  
Investment owned, percent of net assets (as a percent) 180.80% [1],[2] 188.40% [4],[5]  
Cash and cash equivalents $ 20,635 $ 28,375  
BDB Holdings, LLC      
Schedule of Investments [Line Items]      
Cost [3] 14,207    
Fair value [7] 9,612    
GRT Rubber Technologies LLC      
Schedule of Investments [Line Items]      
Cost 27,882 [3] 27,826 [6]  
Fair value 44,324 [7] 44,094 [8]  
Volusion, LLC      
Schedule of Investments [Line Items]      
Cost 8,788 [3] 9,709 [6]  
Fair value 2,149 [7] 3,904 [8]  
American Nuts, LLC      
Schedule of Investments [Line Items]      
Cost 7,206 [3],[9] 9,858 [6],[10]  
Fair value 5,410 [7],[9] 7,101 [8],[10]  
Analytical Systems Keco Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,441 [3] 2,498 [6]  
Fair value 2,505 [7] 2,342 [8]  
Batjer TopCo, LLC      
Schedule of Investments [Line Items]      
Cost 1,555 [3] 1,700 [6]  
Fair value 2,075 [7] 1,815 [8]  
Bettercloud, Inc.      
Schedule of Investments [Line Items]      
Cost 6,651 [3],[9] 9,125 [6],[10]  
Fair value 6,297 [7],[9] 6,949 [8],[10]  
Brewer Crane Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,408 [3] 2,324 [6]  
Fair value 2,198 [7] 2,424 [8]  
Centre Technologies Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 7,599 [3] 7,952 [6]  
Fair value 16,701 [7] 9,494 [8]  
Chamberlin Holding LLC      
Schedule of Investments [Line Items]      
Cost 13,637 [3] 7,181 [6]  
Fair value 20,428 [7] 13,073 [8]  
Clad-Rex Steel, LLC      
Schedule of Investments [Line Items]      
Cost 4,526 [3] 3,870 [6]  
Fair value 6,449 [7] 4,920 [8]  
Cody Pools, Inc.      
Schedule of Investments [Line Items]      
Cost 7,845 [3] 8,661 [6]  
Fair value 22,161 [7] 23,548 [8]  
Colonial Electric Company LLC      
Schedule of Investments [Line Items]      
Cost 4,111 [3] 5,474 [6]  
Fair value 6,405 [7] 6,968 [8]  
Compass Systems & Sales, LLC      
Schedule of Investments [Line Items]      
Cost 6,078 [3] 6,048 [6]  
Fair value 6,037 [7] 6,045 [8]  
Datacom, LLC      
Schedule of Investments [Line Items]      
Cost 1,273 [3] 1,223 [6]  
Fair value 538 [7] 963 [8]  
Digital Products Holdings LLC      
Schedule of Investments [Line Items]      
Cost 5,361 [3] 5,515 [6],[11]  
Fair value 5,293 [7] 5,564 [8],[11]  
Direct Marketing Solutions, Inc.      
Schedule of Investments [Line Items]      
Cost 6,915 [3] 6,754 [6]  
Fair value 9,756 [7] 9,148 [8]  
DMA Industries, LLC      
Schedule of Investments [Line Items]      
Cost 5,739 [3] 6,595 [6]  
Fair value 6,994 [7] 6,595 [8]  
Flame King Holdings, LLC      
Schedule of Investments [Line Items]      
Cost [3] 18,808    
Fair value [7] 30,160    
Gamber-Johnson Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 22,079 [3] 22,589 [6]  
Fair value 46,181 [7] 46,972 [8]  
GFG Group, LLC      
Schedule of Investments [Line Items]      
Cost 4,731 [3] 3,255 [6]  
Fair value 6,253 [7] 4,686 [8]  
Gulf Publishing Holdings, LLC      
Schedule of Investments [Line Items]      
Cost [6]   2,901  
Fair value [8]   378  
IG Investor, LLC      
Schedule of Investments [Line Items]      
Cost 12,621 [3] 12,672 [6]  
Fair value 16,176 [7] 13,132 [8]  
Integral Energy Services      
Schedule of Investments [Line Items]      
Cost 16,595 [3],[9] 16,867 [6],[10]  
Fair value 15,451 [7],[9] 16,047 [8],[10]  
Kickhaefer Manufacturing Company, LLC      
Schedule of Investments [Line Items]      
Cost 6,825 [3] 8,031 [6]  
Fair value 8,855 [7] 8,461 [8]  
Mystic Logistics Holdings, LLC      
Schedule of Investments [Line Items]      
Cost [6]   2,113  
Fair value [8]   8,026  
KMS, LLC      
Schedule of Investments [Line Items]      
Cost 8,756 [3],[9] 11,525 [6],[10]  
Fair value 10,473 [7],[9] 7,914 [8],[10]  
Mills Fleet Farm Group, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 15,795    
Fair value [7],[9] 13,734    
Nello Industries Investco, LLC      
Schedule of Investments [Line Items]      
Cost 10,661 [3] 9,637 [6]  
Fair value 13,848 [7] 10,497 [8]  
NexRev LLC      
Schedule of Investments [Line Items]      
Cost [6]   4,503  
Fair value [8]   5,423  
NuStep, LLC      
Schedule of Investments [Line Items]      
Cost 8,522 [3] 9,172 [6]  
Fair value 9,440 [7] 9,900 [8]  
Orttech Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 7,828 [3] 7,955 [6]  
Fair value 8,703 [7] 8,850 [8]  
Pinnacle TopCo, LLC      
Schedule of Investments [Line Items]      
Cost 9,828 [3] 10,146 [6]  
Fair value 11,910 [7] 11,750 [8]  
RA Outdoors LLC      
Schedule of Investments [Line Items]      
Cost 15,859 [3],[9] 14,972 [6],[10],[12]  
Fair value 13,079 [7],[9] 13,925 [8],[10],[12]  
Robbins Bros. Jewelry, Inc.      
Schedule of Investments [Line Items]      
Cost 4,736 [3] 4,827 [6]  
Fair value 1,547 [7] 1,610 [8]  
SI East, LLC      
Schedule of Investments [Line Items]      
Cost 23,507 [3] 23,785 [6]  
Fair value 28,763 [7] 27,854 [8]  
Student Resource Center, LLC      
Schedule of Investments [Line Items]      
Cost 5,671 [3],[9] 5,652 [6],[10]  
Fair value 2,464 [7],[9] 2,053 [8],[10]  
Tedder Industries, LLC      
Schedule of Investments [Line Items]      
Cost 6,593 [3] 6,833 [6]  
Fair value 948 [7] 1,313 [8]  
Trantech Radiator Topco, LLC      
Schedule of Investments [Line Items]      
Cost 4,078 [3] 3,125 [6]  
Fair value 6,664 [7] 4,101 [8]  
Urgent DSO LLC      
Schedule of Investments [Line Items]      
Cost 3,312 [3] 3,225 [6]  
Fair value 3,257 [7] 3,225 [8]  
Victory Energy Operations, LLC      
Schedule of Investments [Line Items]      
Cost 11,311 [3] 11,168 [6]  
Fair value 11,462 [7] 11,168 [8]  
VVS Holdco LLC      
Schedule of Investments [Line Items]      
Cost 9,027 [3] 9,426 [6]  
Fair value 9,027 [7] 9,426 [8]  
AAC Holdings, Inc.      
Schedule of Investments [Line Items]      
Cost 8,700 [3],[13] 9,329 [6],[14]  
Fair value 3,097 [7],[13] 6,184 [8],[14]  
Adams Publishing Group, LLC      
Schedule of Investments [Line Items]      
Cost 3,013 [3],[9] 3,194 [6],[10]  
Fair value 3,003 [7],[9] 3,137 [8],[10]  
AGS American Glass Services Acquisition, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 14,508    
Fair value [7],[9] 14,366    
Airo Purchaser, Inc.      
Schedule of Investments [Line Items]      
Cost [3],[9] 23,172    
Fair value [7],[9] 23,266    
American Health Staffing Group, Inc.      
Schedule of Investments [Line Items]      
Cost 6,984 [3],[9] 7,667 [6],[10]  
Fair value 6,997 [7],[9] 7,697 [8],[10]  
American Teleconferencing Services, Ltd.      
Schedule of Investments [Line Items]      
Cost [6],[14]   13,826  
Fair value [8],[14]   341  
Ansira Partners II, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   17,194  
Fair value [8],[10]   17,330  
ArborWorks, LLC      
Schedule of Investments [Line Items]      
Cost 14,582 [3],[9] 12,931 [6],[10]  
Fair value 15,838 [7],[9] 12,006 [8],[10]  
ATS Operating, LLC      
Schedule of Investments [Line Items]      
Cost 2,179 [3],[9] 1,982 [6],[10]  
Fair value 2,240 [7],[9] 2,020 [8],[10]  
Auria Space, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 12,634    
Fair value [7],[9] 12,634    
AVEX Aviation Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 3,324 [3],[9] 3,389 [6],[10]  
Fair value 3,371 [7],[9] 3,455 [8],[10]  
Behavior Development Group Holdings      
Schedule of Investments [Line Items]      
Cost [3],[9] 16,220    
Fair value [7],[9] 16,220    
Berry Aviation, Inc.      
Schedule of Investments [Line Items]      
Cost 286 [3],[9] 286 [6],[10]  
Fair value 0 [7],[9] 0 [8],[10]  
Bluestem Brands, Inc.      
Schedule of Investments [Line Items]      
Cost 8,460 [3],[13] 8,784 [6],[14]  
Fair value 450 [7],[13] 6,763 [8],[14]  
Boccella Precast Products LLC      
Schedule of Investments [Line Items]      
Cost 628 [3] 644 [6]  
Fair value 764 [7] 146 [8]  
B-O-F Corporation      
Schedule of Investments [Line Items]      
Cost [3],[9] 5,786    
Fair value [7],[9] 5,830    
Bond Brand Loyalty ULC      
Schedule of Investments [Line Items]      
Cost 9,419 [3],[9],[15],[16] 8,598 [6],[10],[12],[17]  
Fair value 9,508 [7],[9],[15],[16] 8,668 [8],[10],[12],[17]  
BP Loenbro Holdings Inc.      
Schedule of Investments [Line Items]      
Cost 18,264 [3],[9] 12,514 [6],[10]  
Fair value 21,315 [7],[9] 13,271 [8],[10]  
Brightwood Capital Fund Investments      
Schedule of Investments [Line Items]      
Cost 8,195 [3],[15],[18] 9,963 [6],[12],[19]  
Fair value 7,344 [7],[15],[18] 9,070 [8],[12],[19]  
Buca C, LLC      
Schedule of Investments [Line Items]      
Cost 11,306 [3] 10,835 [6]  
Fair value 0 [7] 0 [8]  
Burning Glass Intermediate Holding Company, Inc.      
Schedule of Investments [Line Items]      
Cost [6],[10]   11,461  
Fair value [8],[10]   11,575  
CAI Software LLC      
Schedule of Investments [Line Items]      
Cost [6]   454  
Fair value [8]   513  
Career Team Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 2,947 [3] 2,731 [6]  
Fair value 2,973 [7] 2,761 [8]  
CenterPeak Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 3,392 [3] 2,765 [6]  
Fair value 5,690 [7] 4,000 [8]  
Channel Partners Intermediateco, LLC      
Schedule of Investments [Line Items]      
Cost 4,552 [3],[9] 4,375 [6],[10]  
Fair value 4,581 [7],[9] 4,209 [8],[10]  
Computer Data Source, LLC      
Schedule of Investments [Line Items]      
Cost 25,120 [3],[9] 22,075 [6],[10]  
Fair value 23,956 [7],[9] 20,883 [8],[10]  
Connect Telecommunications Solutions Holdings, Inc.      
Schedule of Investments [Line Items]      
Cost 4,042 [3],[15],[16] 4,377 [6],[12]  
Fair value 4,042 [7],[15],[16] 4,377 [8],[12]  
Core Transformers      
Schedule of Investments [Line Items]      
Cost [3],[9] 10,621    
Fair value [7],[9] 10,621    
Coregistics Buyer LLC      
Schedule of Investments [Line Items]      
Cost 13,489 [3],[9],[15],[16] 13,538 [6],[10],[12],[17]  
Fair value 13,658 [7],[9],[15],[16] 13,251 [8],[10],[12],[17]  
CQ Fluency, LLC      
Schedule of Investments [Line Items]      
Cost 6,734 [3],[9] 7,002 [6],[10]  
Fair value 6,825 [7],[9] 7,107 [8],[10]  
CRC Evans USA Bidco, Inc.      
Schedule of Investments [Line Items]      
Cost [3],[9],[15],[16] 1,988    
Fair value [7],[9],[15],[16] 2,022    
Creative Foam Corporation      
Schedule of Investments [Line Items]      
Cost 26,826 [3] 10,582 [6],[10]  
Fair value 27,186 [7] 10,666 [8],[10]  
DTE Enterprises, LLC      
Schedule of Investments [Line Items]      
Cost 2,092 [3],[9] 2,092 [6],[10]  
Fair value 0 [7],[9] 438 [8],[10]  
Dynamic Communities, LLC      
Schedule of Investments [Line Items]      
Cost 4,894 [3],[9] 4,467 [6],[10]  
Fair value 5,186 [7],[9] 4,499 [8],[10]  
Electro Technical Industries, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 24,693    
Fair value [7],[9] 25,473    
Elgin AcquireCo, LLC      
Schedule of Investments [Line Items]      
Cost 1,963 [3] 2,044 [6]  
Fair value 2,031 [7] 2,137 [8]  
Escalent, Inc.      
Schedule of Investments [Line Items]      
Cost 7,122 [3],[9] 7,232 [6],[10]  
Fair value 7,311 [7],[9] 7,446 [8],[10]  
Event Holdco, LLC      
Schedule of Investments [Line Items]      
Cost 4,303 [3],[9] 4,261 [6],[10]  
Fair value 4,311 [7],[9] 4,277 [8],[10]  
FCC Intermediate Holdco, LLC      
Schedule of Investments [Line Items]      
Cost 7,987 [3] 8,115 [6]  
Fair value 11,570 [7] 9,845 [8]  
Garyline, LLC      
Schedule of Investments [Line Items]      
Cost 8,583 [3],[9] 11,911 [6],[10]  
Fair value 8,644 [7],[9] 12,133 [8],[10]  
GradeEight Corp.      
Schedule of Investments [Line Items]      
Cost 17,086 [3],[9] 14,946 [6],[10]  
Fair value 16,872 [7],[9] 14,946 [8],[10]  
Hawk Ridge Systems, LLC      
Schedule of Investments [Line Items]      
Cost 11,300 [3] 11,133 [6]  
Fair value 17,479 [7] 15,735 [8]  
HDC/HW Intermediate Holdings      
Schedule of Investments [Line Items]      
Cost 1,838 [3],[9] 1,708 [6],[10]  
Fair value 1,276 [7],[9] 1,542 [8],[10]  
HEADLANDS OP-CO LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   10,490  
Fair value [8],[10]   10,618  
Hornblower Sub, LLC      
Schedule of Investments [Line Items]      
Cost 18,526 [3],[9] 16,530 [6],[10]  
Fair value 18,430 [7],[9] 16,542 [8],[10]  
IG Parent Corporation      
Schedule of Investments [Line Items]      
Cost 7,987 [3],[13] 8,000 [6],[14]  
Fair value 8,040 [7],[13] 8,076 [8],[14]  
Imaging Business Machines, L.L.C.      
Schedule of Investments [Line Items]      
Cost [6],[10]   11,405  
Fair value [8],[10]   11,581  
Ignite Visibility LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 15,632    
Fair value [7],[9] 15,632    
Implus Footcare, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 11,011    
Fair value [7],[9] 10,310    
Infinity X1 Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 4,912 [3] 4,806 [6]  
Fair value 5,865 [7] 6,073 [8]  
Insight Borrower Corporation      
Schedule of Investments [Line Items]      
Cost 18,331 [3],[9] 8,280 [6],[10]  
Fair value 17,098 [7],[9] 7,930 [8],[10]  
Inspire Aesthetics Management, LLC      
Schedule of Investments [Line Items]      
Cost 8,807 [3],[9] 8,331 [6],[10]  
Fair value 8,129 [7],[9] 7,466 [8],[10]  
Interface Security Systems, L.L.C      
Schedule of Investments [Line Items]      
Cost 9,646 [3],[9] 9,329 [6],[10]  
Fair value 2,079 [7],[9] 1,593 [8],[10]  
Invincible Boat Company, LLC.      
Schedule of Investments [Line Items]      
Cost 18,210 [3],[9] 17,737 [6],[10]  
Fair value 16,566 [7],[9] 17,094 [8],[10]  
Iron-Main Investments, LLC      
Schedule of Investments [Line Items]      
Cost 11,687 [3] 11,664 [6]  
Fair value 11,760 [7] 11,697 [8]  
Isagenix International, LLC      
Schedule of Investments [Line Items]      
Cost 2,831 [3],[13] 2,778 [6],[14]  
Fair value 429 [7],[13] 622 [8],[14]  
Island Pump and Tank, LLC      
Schedule of Investments [Line Items]      
Cost 6,704 [3],[9] 5,119 [6],[10]  
Fair value 6,587 [7],[9] 5,161 [8],[10]  
ITA Holdings Group, LLC      
Schedule of Investments [Line Items]      
Cost 4,831 [3] 2,932 [6]  
Fair value 8,343 [7] 4,183 [8]  
Jackmont Hospitality, Inc.      
Schedule of Investments [Line Items]      
Cost 7,725 [3],[9] 6,758 [6],[10]  
Fair value 9,061 [7],[9] 8,382 [8],[10]  
JDC Power Services, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   17,230  
Fair value [8],[10]   17,442  
Joerns Healthcare, LLC      
Schedule of Investments [Line Items]      
Cost 2,826 [3],[13] 8,253 [6],[14]  
Fair value 2,950 [7],[13] 2,671 [8],[14]  
JorVet Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 3,799 [3] 3,789 [6]  
Fair value 3,798 [7] 4,028 [8]  
JTI Electrical & Mechanical, LLC      
Schedule of Investments [Line Items]      
Cost 4,296 [3],[9] 4,065 [6],[10]  
Fair value 3,640 [7],[9] 3,783 [8],[10]  
Logix Acquisition Company, LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 21,298    
Fair value [7],[9] 21,578    
Mako Steel, LP      
Schedule of Investments [Line Items]      
Cost [6],[10]   20,891  
Fair value [8],[10]   21,081  
LL Management, Inc.      
Schedule of Investments [Line Items]      
Cost [6],[10]   23,134  
Fair value [8],[10]   23,308  
MCT Purchaserco Holding Inc.      
Schedule of Investments [Line Items]      
Cost [3],[9],[15],[16] 25,244    
Fair value [7],[9],[15],[16] 25,244    
Metalforming Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 1,799 [3] 2,060 [6]  
Fair value 2,420 [7] 2,483 [8]  
Microbe Formulas, LLC      
Schedule of Investments [Line Items]      
Cost 2,972 [3],[9] 3,679 [6],[10]  
Fair value 2,998 [7],[9] 3,726 [8],[10]  
Mini Melts of America, LLC      
Schedule of Investments [Line Items]      
Cost 8,313 [3],[9] 7,808 [6],[10]  
Fair value 7,903 [7],[9] 7,915 [8],[10]  
Mission Critical Group      
Schedule of Investments [Line Items]      
Cost [3],[9] 22,596    
Fair value [7],[9] 29,173    
MoneyThumb Acquisition, LLC      
Schedule of Investments [Line Items]      
Cost 2,520 [3] 2,772 [6]  
Fair value 2,621 [7] 2,772 [8]  
MonitorUS Holding, LLC      
Schedule of Investments [Line Items]      
Cost 10,046 [3],[9],[15],[16] 9,715 [6],[10],[12],[17]  
Fair value 10,566 [7],[9],[15],[16] 9,804 [8],[10],[12],[17]  
NinjaTrader, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   14,317  
Fair value [8],[10]   14,433  
Obra Capital, Inc.      
Schedule of Investments [Line Items]      
Cost 12,918 [3],[9] 11,647 [6],[10]  
Fair value 13,198 [7],[9] 11,752 [8],[10]  
OnPoint Industrial Services, LLC      
Schedule of Investments [Line Items]      
Cost 3,899 [3],[9] 3,928 [6],[10]  
Fair value 3,927 [7],[9] 3,928 [8],[10]  
Power System Solutions      
Schedule of Investments [Line Items]      
Cost [6],[10]   10,783  
Fair value [8],[10]   12,112  
PrimeFlight Aviation Services      
Schedule of Investments [Line Items]      
Cost 11,248 [3],[9],[15] 7,490 [6],[10]  
Fair value 11,422 [7],[9],[15] 7,685 [8],[10]  
PTL US Bidco, Inc      
Schedule of Investments [Line Items]      
Cost [6],[10],[12],[17]   1,594  
Fair value [8],[10],[12],[17]   1,598  
Purge Rite, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   1,302  
Fair value [8],[10]   2,109  
Richardson Sales Solutions      
Schedule of Investments [Line Items]      
Cost 15,037 [3],[9] 16,063 [6],[10]  
Fair value 15,301 [7],[9] 16,428 [8],[10]  
Roof Opco, LLC      
Schedule of Investments [Line Items]      
Cost 8,391 [3],[9] 8,320 [6],[10]  
Fair value 6,026 [7],[9] 7,655 [8],[10]  
Royal Cup Inc.      
Schedule of Investments [Line Items]      
Cost [3],[9] 12,531    
Fair value [7],[9] 12,531    
Rug Doctor, LLC.      
Schedule of Investments [Line Items]      
Cost 11,619 [3],[9] 14,794 [6],[10]  
Fair value 11,724 [7],[9] 14,819 [8],[10]  
Slick Innovations, LLC      
Schedule of Investments [Line Items]      
Cost 6,073 [3],[9] 3,978 [6]  
Fair value 6,730 [7],[9] 4,710 [8]  
South Coast Terminals Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 39,719 [3],[9] 4,418 [6],[10]  
Fair value 39,810 [7],[9] 4,450 [8],[10]  
SPAU Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 4,981 [3],[9] 5,016 [6],[10]  
Fair value 5,025 [7],[9] 5,065 [8],[10]  
TEC Services, LLC      
Schedule of Investments [Line Items]      
Cost 2,273 [3],[9] 2,287 [6],[10]  
Fair value 2,292 [7],[9] 2,287 [8],[10]  
The Affiliati Network, LLC      
Schedule of Investments [Line Items]      
Cost 1,678 [3],[9] 3,060 [6]  
Fair value 1,678 [7],[9] 3,044 [8]  
Titan Meter Midco Corp.      
Schedule of Investments [Line Items]      
Cost 17,130 [3],[9] 13,095 [6],[10]  
Fair value 17,584 [7],[9] 13,549 [8],[10]  
U.S. TelePacific Corp.      
Schedule of Investments [Line Items]      
Cost 1,798 [3],[13] 2,244 [6],[14]  
Fair value 2,747 [7],[13] 2,686 [8],[14]  
UBM AcquireCo LLC      
Schedule of Investments [Line Items]      
Cost [3] 12,585    
Fair value [7] 12,585    
UPS Intermediate, LLC      
Schedule of Investments [Line Items]      
Cost 19,417 [3],[9] 19,530 [6],[10]  
Fair value 19,588 [7],[9] 19,706 [8],[10]  
Vitesse Systems      
Schedule of Investments [Line Items]      
Cost 14,302 [3],[9] 13,799 [6],[10]  
Fair value 14,523 [7],[9] 14,080 [8],[10]  
Wall Street Prep, Inc.      
Schedule of Investments [Line Items]      
Cost [6],[10]   2,680  
Fair value [8],[10]   3,706  
Wash & Wax Systems LLC      
Schedule of Investments [Line Items]      
Cost [3],[9] 2,268    
Fair value [7],[9] 2,013    
Watterson Brands, LLC      
Schedule of Investments [Line Items]      
Cost 4,657 [3],[9] 4,516 [6],[10]  
Fair value 3,190 [7],[9] 4,292 [8],[10]  
West Star Aviation Acquisition, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   5,162  
Fair value [8],[10]   5,667  
Winter Services LLC      
Schedule of Investments [Line Items]      
Cost 25,261 [3],[9] 22,833 [6],[10]  
Fair value 25,443 [7],[9] 22,536 [8],[10]  
World Micro Holdings, LLC      
Schedule of Investments [Line Items]      
Cost 1,884 [3] 1,998 [6]  
Fair value 1,884 [7] 1,998 [8]  
Xenon Arc, Inc.      
Schedule of Investments [Line Items]      
Cost 4,030 [3],[9] 3,461 [6],[10]  
Fair value 4,072 [7],[9] 3,504 [8],[10]  
Zips Car Wash, LLC      
Schedule of Investments [Line Items]      
Cost [6],[10]   3,074  
Fair value [8],[10]   2,533  
ZRG Partners, LLC      
Schedule of Investments [Line Items]      
Cost 8,750 [3],[9] 7,114 [6],[10]  
Fair value 8,881 [7],[9] 7,272 [8],[10]  
Money market funds      
Schedule of Investments [Line Items]      
Cash and cash equivalents 11,111 [3],[9],[20] 14,360 [6]  
Cash and cash equivalents, fair value 11,111 [7],[9],[20] 14,360 [8]  
Control investments      
Schedule of Investments [Line Items]      
Cost 52,550 [3],[21] 54,560 [6],[22]  
Fair value $ 58,372 [7],[21] $ 69,878 [8],[22] $ 53,644
Investment owned, percent of net assets (as a percent) 7.90% [1],[2],[21] 11.20% [22]  
Affiliate investments      
Schedule of Investments [Line Items]      
Cost $ 322,074 [3],[23] $ 284,211 [6],[11]  
Fair value $ 406,771 [7],[23] $ 351,360 [8],[11] 291,279
Investment owned, percent of net assets (as a percent) 55.10% [1],[2],[23] 56.20% [11]  
Non‑Control/Non‑Affiliate investments      
Schedule of Investments [Line Items]      
Cost $ 885,299 [3],[24] $ 799,974 [6],[25]  
Fair value $ 870,244 [7],[24] $ 756,269 [8],[25]  
Investment owned, percent of net assets (as a percent) 117.80% [1],[2],[24] 121.00% [4],[5],[25]  
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III      
Schedule of Investments [Line Items]      
Total Rate 3.42% 4.13%  
Investment, Identifier [Axis]: AAC Holdings, Inc. | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 593,927 [13],[24] 593,927 [14],[25]  
Cost $ 3,148 [3],[13],[24] $ 3,148 [6],[14],[25]  
Fair value $ 0 [7],[13],[24] $ 0 [8],[14],[25]  
Investment, Identifier [Axis]: AAC Holdings, Inc. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [13],[24] 4,342,688    
Cost [3],[13],[24] $ 2,931    
Fair value [7],[13],[24] $ 720    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 20.00% [13],[24] 18.00% [14],[25]  
PIK Rate 20.00% [13],[24],[26] 18.00% [14],[25],[27]  
Principal $ 308 [3],[13],[24] $ 210 [6],[14],[25]  
Cost 308 [3],[13],[24] 210 [6],[14],[25]  
Fair value $ 308 [7],[13],[24] $ 209 [8],[14],[25]  
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 21.00% [13],[24] 18.00% [14],[25]  
PIK Rate 21.00% [13],[24],[26] 18.00% [14],[25],[27]  
Principal $ 177 [3],[13],[24] $ 6,013 [6],[14],[25]  
Cost 173 [3],[13],[24] 5,971 [6],[14],[25]  
Fair value $ 173 [7],[13],[24] $ 5,975 [8],[14],[25]  
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [13],[24],[28] 20.00%    
PIK Rate [13],[24],[26],[28] 20.00%    
Principal [3],[13],[24],[28] $ 1,070    
Cost [3],[13],[24],[28] 1,070    
Fair value [7],[13],[24],[28] $ 948    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [13],[24],[28] 20.00%    
PIK Rate [13],[24],[26],[28] 20.00%    
Principal [3],[13],[24],[28] $ 1,070    
Cost [3],[13],[24],[28] 1,070    
Fair value [7],[13],[24],[28] $ 948    
Investment, Identifier [Axis]: AAC Holdings, Inc. | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) [14],[25],[29]   197,717  
Cost [6],[14],[25],[29]   $ 0  
Fair value [8],[14],[25],[29]   $ 0  
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 10,000    
Cost [3],[9],[24] $ 1,000    
Fair value [7],[9],[24] $ 1,000    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (47)    
Fair value [7],[9],[20],[24],[31] $ (47)    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (27)    
Fair value [7],[9],[20],[24],[31] $ (27)    
Investment, Identifier [Axis]: AGS American Glass Services Acquisition, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.22%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 13,771    
Cost [3],[9],[20],[24] 13,582    
Fair value [7],[9],[20],[24] $ 13,440    
Investment, Identifier [Axis]: AMEREQUIP LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 11 [9],[24],[32] 11 [10],[25],[33]  
Cost $ 83 [3],[9],[24],[32] $ 83 [6],[10],[25],[33]  
Fair value $ 0 [7],[9],[24],[32] $ 30 [8],[10],[25],[33]  
Investment, Identifier [Axis]: ATS Operating, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 100,000 [9],[24] 100,000 [10],[25]  
Cost $ 100 [3],[9],[24] $ 100 [6],[10],[25]  
Fair value $ 140 [7],[9],[24] $ 120 [8],[10],[25]  
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.22% [9],[20],[24],[34] 10.85% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30],[34] 6.00% [10],[25],[35],[36]  
Principal $ 250 [3],[9],[20],[24],[34] $ 50 [6],[10],[25],[35]  
Cost 241 [3],[9],[20],[24],[34] 50 [6],[10],[25],[35]  
Fair value $ 250 [7],[9],[20],[24],[34] $ 50 [8],[10],[25],[35]  
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.25% [9],[20],[24] 9.85% [10],[25],[35]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 5.00% [10],[25],[35],[36]  
Principal $ 925 [3],[9],[20],[24] $ 925 [6],[10],[25],[35]  
Cost 919 [3],[9],[20],[24] 916 [6],[10],[25],[35]  
Fair value $ 925 [7],[9],[20],[24] $ 925 [8],[10],[25],[35]  
Investment, Identifier [Axis]: ATS Operating, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.25% [9],[20],[24] 11.85% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 925 [3],[9],[20],[24] $ 925 [6],[10],[25],[35]  
Cost 919 [3],[9],[20],[24] 916 [6],[10],[25],[35]  
Fair value $ 925 [7],[9],[20],[24] $ 925 [8],[10],[25],[35]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 137 [9],[24],[32] 137 [10],[25],[33]  
Cost $ 130 [3],[9],[24],[32] $ 130 [6],[10],[25],[33]  
Fair value $ 128 [7],[9],[24],[32] $ 124 [8],[10],[25],[33]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [9],[20],[24],[30],[31] 7.25% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (9) [3],[9],[20],[24],[31] (12) [6],[10],[25],[35],[37]  
Fair value $ (9) [7],[9],[20],[24],[31] $ (12) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.09% [9],[20],[24] 11.73% [10],[25],[35]  
Spread (as a percent) 7.25% [9],[20],[24],[30] 7.25% [10],[25],[35],[36]  
Principal $ 3,257 [3],[9],[20],[24] $ 3,343 [6],[10],[25],[35]  
Cost 3,208 [3],[9],[20],[24] 3,271 [6],[10],[25],[35]  
Fair value $ 3,257 [7],[9],[20],[24] $ 3,343 [8],[10],[25],[35]  
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 7.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (5)    
Fair value [7],[9],[20],[24],[31] $ (5)    
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.00% [9],[20],[24],[38] 11.00% [10],[25],[35],[39]  
Spread (as a percent) 7.00% [9],[20],[24],[30],[38] 7.00% [10],[25],[35],[36],[39]  
PIK Rate 1.00% [9],[20],[24],[26],[38] 1.00% [10],[25],[27],[35],[39]  
Principal $ 955 [3],[9],[20],[24],[38] $ 946 [6],[10],[25],[35],[39]  
Cost 955 [3],[9],[20],[24],[38] 946 [6],[10],[25],[35],[39]  
Fair value $ 951 [7],[9],[20],[24],[38] $ 928 [8],[10],[25],[35],[39]  
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.00% [9],[20],[24] 11.00% [10],[25],[35],[39]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 7.00% [10],[25],[35],[36],[39]  
PIK Rate 1.00% [9],[20],[24],[26] 1.00% [10],[25],[27],[35],[39]  
Principal $ 94 [3],[9],[20],[24] $ 2,251 [6],[10],[25],[35],[39]  
Cost 93 [3],[9],[20],[24] 2,248 [6],[10],[25],[35],[39]  
Fair value $ 93 [7],[9],[20],[24] $ 2,209 [8],[10],[25],[35],[39]  
Investment, Identifier [Axis]: Adams Publishing Group, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24],[38] 11.00%    
Spread (as a percent) [9],[20],[24],[30],[38] 7.00%    
PIK Rate [9],[20],[24],[26],[38] 1.00%    
Principal [3],[9],[20],[24],[38] $ 1,967    
Cost [3],[9],[20],[24],[38] 1,965    
Fair value [7],[9],[20],[24],[38] $ 1,959    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 1,233    
Cost [3],[9],[24] $ 1,233    
Fair value [7],[9],[24] $ 1,233    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (51)    
Fair value [7],[9],[20],[24],[31] $ (51)    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (26)    
Fair value [7],[9],[20],[24],[31] $ (26)    
Investment, Identifier [Axis]: Airo Purchaser, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.22%    
Spread (as a percent) [9],[20],[24],[30] 5.25%    
Principal [3],[9],[20],[24] $ 22,374    
Cost [3],[9],[20],[24] 22,016    
Fair value [7],[9],[20],[24] $ 22,110    
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.00% [9],[20],[24],[30],[31] 5.00% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (3) [3],[9],[20],[24],[31] (6) [6],[10],[25],[35],[37]  
Fair value $ (3) [7],[9],[20],[24],[31] $ (6) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: American Health Staffing Group, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.75% [9],[20],[24] 12.50% [10],[25],[35]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 5.00% [10],[25],[35],[36]  
Principal $ 7,000 [3],[9],[20],[24] $ 7,703 [6],[10],[25],[35]  
Cost 6,987 [3],[9],[20],[24] 7,673 [6],[10],[25],[35]  
Fair value $ 7,000 [7],[9],[20],[24] 7,703 [8],[10],[25],[35]  
Investment, Identifier [Axis]: American Nuts, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23] 7,590    
Cost [3],[9],[23] $ 2,556    
Fair value $ 1,210 [7],[9],[23] $ 0  
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.64% [9],[20],[23] 14.49% [10],[25],[35]  
Spread (as a percent) 8.50% [9],[20],[23],[30] 9.75% [10],[25],[35],[36]  
PIK Rate 12.64% [9],[20],[23],[26] 14.49% [10],[25],[27],[35]  
Principal $ 2,325 [3],[9],[20],[23] $ 5,626 [6],[10],[25],[35]  
Cost 2,325 [3],[9],[20],[23] 5,614 [6],[10],[25],[35]  
Fair value $ 2,325 [7],[9],[20],[23] 4,480 [8],[10],[25],[35]  
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 1.1      
Schedule of Investments [Line Items]      
Total Rate 12.64%    
Spread (as a percent) 8.50%    
PIK Rate 12.64%    
Fair value $ 2,325 $ 0  
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.64% [9],[20],[23] 16.49% [10],[25],[35],[40]  
Spread (as a percent) 8.50% [9],[20],[23],[30] 11.75% [10],[25],[35],[36],[40]  
PIK Rate 12.64% [9],[20],[23],[26] 16.49% [10],[25],[27],[35],[40]  
Principal $ 2,325 [3],[9],[20],[23] $ 4,270 [6],[10],[25],[35],[40]  
Cost 2,325 [3],[9],[20],[23] 4,244 [6],[10],[25],[35],[40]  
Fair value $ 1,875 [7],[9],[20],[23] 2,621 [8],[10],[25],[35],[40]  
Investment, Identifier [Axis]: American Nuts, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.64%    
Spread (as a percent) 8.50%    
PIK Rate 12.64%    
Fair value $ 1,875 0  
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd. | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [6],[14],[25],[40],[41]   2,425  
Cost [6],[14],[25],[40],[41]   2,375  
Fair value [8],[14],[25],[40],[41]   59  
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd. | Secured Debt 2      
Schedule of Investments [Line Items]      
Principal [6],[14],[25],[40],[41]   11,693  
Cost [6],[14],[25],[40],[41]   11,451  
Fair value [8],[14],[25],[40],[41]   $ 282  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 603 [23] 607 [11]  
Cost $ 597 [3],[23] $ 607 [6],[11]  
Fair value 1,510 [7],[23] 1,330 [8],[11]  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 1.1      
Schedule of Investments [Line Items]      
Fair value $ 30 $ 0 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 777 [23] 800 [11]  
Cost $ 800 [3],[23] $ 800 [6],[11]  
Fair value 30 [7],[23] 0 [8],[11]  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Preferred Member Units 2.1      
Schedule of Investments [Line Items]      
Fair value $ 1,510 1,330 1,210
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [23] 13.75%    
Principal [3],[23] $ 974    
Cost [3],[23] 965    
Fair value $ 965 [7],[23] 1,012  
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [6],[11],[37]   0  
Cost [6],[11],[37]   0  
Fair value   $ 0 [8],[11],[37] 54
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [11]   13.75%  
Principal [6],[11]   $ 1,024  
Cost [6],[11]   1,012  
Fair value   $ 1,012 [8],[11] 1,020
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 105 [23],[42] 105 [11],[29]  
Cost $ 79 [3],[23],[42] $ 79 [6],[11],[29]  
Fair value $ 0 [7],[23],[42] $ 0 [8],[11],[29] 0
Investment, Identifier [Axis]: Ansira Partners II, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   6.75%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (45)  
Fair value [8],[10],[25],[35],[37]   $ (45)  
Investment, Identifier [Axis]: Ansira Partners II, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.25%  
Spread (as a percent) [10],[25],[35],[36]   6.75%  
Principal [6],[10],[25],[35]   $ 17,659  
Cost [6],[10],[25],[35]   17,239  
Fair value [8],[10],[25],[35]   $ 17,375  
Investment, Identifier [Axis]: ArborWorks, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 2,070 [9],[24] 2,070 [10],[25]  
Cost $ 124 [3],[9],[24] $ 124 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) 17,265 [9],[24] 17,265 [10],[25]  
Cost $ 7,468 [3],[9],[24] $ 7,468 [6],[10],[25]  
Fair value $ 8,848 [7],[9],[24] $ 6,667 [8],[10],[25]  
Investment, Identifier [Axis]: ArborWorks, LLC | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) 17,265 [9],[24] 17,265 [10],[25]  
Cost $ 0 [3],[9],[24] $ 0 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 15.00% [9],[24] 15.00% [10],[25]  
PIK Rate 15.00% [9],[24],[26] 15.00% [10],[25],[27]  
Principal $ 2,218 [3],[9],[24] $ 1,061 [6],[10],[25]  
Cost 2,218 [3],[9],[24] 1,061 [6],[10],[25]  
Fair value $ 2,218 [7],[9],[24] $ 1,061 [8],[10],[25]  
Investment, Identifier [Axis]: ArborWorks, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.34% [9],[20],[24] 11.08% [10],[25],[35]  
Spread (as a percent) 6.50% [9],[20],[24],[30] 6.50% [10],[25],[35],[36]  
PIK Rate 10.34% [9],[20],[24],[26] 11.08% [10],[25],[27],[35]  
Principal $ 4,772 [3],[9],[20],[24] $ 4,278 [6],[10],[25],[35]  
Cost 4,772 [3],[9],[20],[24] 4,278 [6],[10],[25],[35]  
Fair value $ 4,772 [7],[9],[20],[24] $ 4,278 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Archer Systems, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 62,402 [9],[24],[32] 62,403 [10],[25]  
Cost $ 62 [3],[9],[24],[32] $ 62 [6],[10],[25]  
Fair value $ 110 [7],[9],[24],[32] $ 110 [8],[10],[25]  
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.00%    
Cost [3],[9],[20],[24],[31] $ (38)    
Fair value [7],[9],[20],[24],[31] $ (38)    
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.00%    
Cost [3],[9],[20],[24],[31] $ (68)    
Fair value [7],[9],[20],[24],[31] $ (68)    
Investment, Identifier [Axis]: Auria Space, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 8.72%    
Spread (as a percent) [9],[20],[24],[30] 5.00%    
Cost [3],[9],[20],[24] $ 12,740    
Fair value [7],[9],[20],[24] $ 12,740    
Investment, Identifier [Axis]: B-O-F Corporation | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 180,000    
Cost [3],[9],[24] $ 180    
Fair value [7],[9],[24] $ 180    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.75%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (12)    
Fair value [7],[9],[20],[24],[31] $ (12)    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 8.74%    
Spread (as a percent) [9],[20],[24],[30] 4.75%    
Principal [3],[9],[20],[24] $ 2,850    
Cost [3],[9],[20],[24] 2,809    
Fair value [7],[9],[20],[24] $ 2,831    
Investment, Identifier [Axis]: B-O-F Corporation | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.74%    
Spread (as a percent) [9],[20],[24],[30] 6.75%    
Principal [3],[9],[20],[24] $ 2,850    
Cost [3],[9],[20],[24] 2,809    
Fair value [7],[9],[20],[24] $ 2,831    
Investment, Identifier [Axis]: BDB Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 12,504,663 [21] 12,504,663 [22]  
Cost $ 13,025 [3],[21] $ 13,025 [6],[22]  
Fair value $ 8,430 [7],[21] 12,610 [8],[22] 0
Investment, Identifier [Axis]: BDB Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [21] 12.00%    
Principal [3],[21] $ 1,182    
Cost [3],[21] 1,182    
Fair value $ 1,182 [7],[21] $ 0  
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,000,000 [9],[24] 1,000,000 [10],[25]  
Cost $ 1,000 [3],[9],[24] $ 1,000 [6],[10],[25]  
Fair value $ 3,790 [7],[9],[24] $ 1,550 [8],[10],[25]  
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.75% [9],[20],[24],[34] 10.68% [10],[25],[35],[43]  
Spread (as a percent) 5.75% [9],[20],[24],[30],[34] 6.25% [10],[25],[35],[36],[43]  
Principal $ 1,024 [3],[9],[20],[24],[34] $ 514 [6],[10],[25],[35],[43]  
Cost 993 [3],[9],[20],[24],[34] 493 [6],[10],[25],[35],[43]  
Fair value $ 1,024 [7],[9],[20],[24],[34] $ 514 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.84%    
Spread (as a percent) 5.75% [9],[20],[24],[30] 6.25% [10],[25],[35],[36],[37]  
Principal $ 1,279 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 1,260 [3],[9],[20],[24] (10) [6],[10],[25],[35],[37]  
Fair value $ 1,279 [7],[9],[20],[24] $ (10) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.75% [9],[20],[24] 10.92% [10],[25],[35]  
Spread (as a percent) 5.75% [9],[20],[24],[30] 6.25% [10],[25],[35],[36]  
Principal $ 11,003 [3],[9],[20],[24] $ 11,217 [6],[10],[25],[35]  
Cost 10,865 [3],[9],[20],[24] 11,031 [6],[10],[25],[35]  
Fair value $ 11,003 [7],[9],[20],[24] $ 11,217 [8],[10],[25],[35]  
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.83%    
Spread (as a percent) [9],[20],[24],[30] 5.75%    
Principal [3],[9],[20],[24] $ 0    
Cost [3],[9],[20],[24] 0    
Fair value [7],[9],[20],[24] $ 0    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc. | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.84%    
Spread (as a percent) [9],[20],[24],[30] 5.75%    
Principal [3],[9],[20],[24] $ 4,219    
Cost [3],[9],[20],[24] 4,146    
Fair value [7],[9],[20],[24] 4,219    
Investment, Identifier [Axis]: Barfly Ventures, LLC | Member Units      
Schedule of Investments [Line Items]      
Units (as a percent) [10],[11]   12.25%  
Cost [6],[10],[11]   $ 528  
Fair value $ 0 $ 1,953 [8],[10],[11] 1,380
Investment, Identifier [Axis]: Batjer TopCo, LLC | Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 453 [23],[32] 453 [11],[33]  
Cost $ 455 [3],[23],[32] $ 455 [6],[11],[33]  
Fair value 970 [7],[23],[32] $ 570 [8],[11],[33] 680
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [11]   10.00%  
Principal 0 [3],[23],[31] $ 50 [6],[11]  
Cost 0 [3],[23],[31] 50 [6],[11]  
Fair value 0 [7],[23],[31] $ 50 [8],[11] 0
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [11]   10.00%  
Principal 0 [3],[23],[31] $ 30 [6],[11]  
Cost 0 [3],[23],[31] 30 [6],[11]  
Fair value $ 0 [7],[23],[31] $ 30 [8],[11] 30
Investment, Identifier [Axis]: Batjer TopCo, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 10.00% [11]  
Principal $ 1,105 [3],[23] $ 1,175 [6],[11]  
Cost 1,100 [3],[23] 1,165 [6],[11]  
Fair value $ 1,105 [7],[23] $ 1,165 [8],[11] 1,175
Investment, Identifier [Axis]: Behavior Development Group Holdings | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 500    
Cost [3],[9],[24] $ 500    
Fair value [7],[9],[24] $ 500    
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 6.00%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (37)    
Fair value [7],[9],[20],[24],[31] $ (37)    
Investment, Identifier [Axis]: Behavior Development Group Holdings | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.70%    
Spread (as a percent) [9],[20],[24],[30] 6.00%    
Principal [3],[9],[20],[24] $ 15,993    
Cost [3],[9],[20],[24] 15,757    
Fair value [7],[9],[20],[24] $ 15,757    
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 286,109 [9],[24],[44] 286,109 [10],[25]  
Cost $ 286 [3],[9],[24],[44] $ 286 [6],[10],[25]  
Fair value $ 0 [7],[9],[24],[44] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 122,416 [9],[24],[44] 122,416 [10],[25],[45]  
Cost $ 0 [3],[9],[24],[44] $ 0 [6],[10],[25],[45]  
Fair value $ 0 [7],[9],[24],[44] $ 0 [8],[10],[25],[45]  
Investment, Identifier [Axis]: Berry Aviation, Inc. | Preferred Member Units 3      
Schedule of Investments [Line Items]      
Units (in shares) 1,548,387 [9],[24],[44] 1,548,387 [10],[25],[45]  
Cost $ 0 [3],[9],[24],[44] $ 0 [6],[10],[25],[45]  
Fair value $ 0 [7],[9],[24],[44] 0 [8],[10],[25],[45]  
Investment, Identifier [Axis]: Bettercloud, Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23] 20    
Cost [3],[9],[23] $ 4,904    
Fair value $ 4,550 [7],[9],[23] 0  
Investment, Identifier [Axis]: Bettercloud, Inc. | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[23] 12.07%    
Spread (as a percent) [9],[20],[23],[30] 8.25%    
PIK Rate [9],[20],[23],[26] 12.07%    
Principal [3],[9],[20],[23] $ 1,747    
Cost [3],[9],[20],[23] 1,747    
Fair value $ 1,747 [7],[9],[20],[23] $ 0  
Investment, Identifier [Axis]: Bettercloud, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   10.25%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (14)  
Fair value [8],[10],[25],[35],[37]   $ (14)  
Investment, Identifier [Axis]: Bettercloud, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   15.76%  
Spread (as a percent) [10],[25],[35],[36]   10.25%  
PIK Rate [10],[25],[27],[35]   9.25%  
Principal [6],[10],[25],[35]   $ 9,230  
Cost [6],[10],[25],[35]   9,139  
Fair value [8],[10],[25],[35]   $ 6,963  
Investment, Identifier [Axis]: Binswanger Enterprises, LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   1,050,000  
Cost [6],[10],[25]   $ 1,050  
Fair value [8],[10],[25]   $ 650  
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 700,446 [13],[24] 700,446 [14],[25]  
Cost $ 0 [3],[13],[24] $ 0 [6],[14],[25]  
Fair value $ 0 [7],[13],[24] $ 0 [8],[14],[25]  
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.49% [13],[20],[24],[28] 13.17% [14],[25],[35]  
Spread (as a percent) 8.50% [13],[20],[24],[28],[30] 8.50% [14],[25],[35],[36]  
PIK Rate 11.49% [13],[20],[24],[26],[28] 12.17% [14],[25],[27],[35]  
Principal $ 215 [3],[13],[20],[24],[28] $ 215 [6],[14],[25],[35]  
Cost 138 [3],[13],[20],[24],[28] 138 [6],[14],[25],[35]  
Fair value $ 255 [7],[13],[20],[24],[28] $ 181 [8],[14],[25],[35]  
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.25% [13],[20],[24],[28] 15.00% [14],[25],[35]  
Spread (as a percent) 7.50% [13],[20],[24],[28],[30] 7.50% [14],[25],[35],[36]  
PIK Rate 13.25% [13],[20],[24],[26],[28] 14.75% [14],[25],[27],[35]  
Principal $ 2,980 [3],[13],[20],[24],[28] $ 3,304 [6],[14],[25],[35]  
Cost 2,980 [3],[13],[20],[24],[28] 3,304 [6],[14],[25],[35]  
Fair value $ 195 [7],[13],[20],[24],[28] $ 2,792 [8],[14],[25],[35]  
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.49% [13],[20],[24],[28] 13.17% [14],[25],[35]  
Spread (as a percent) 8.50% [13],[20],[24],[28],[30] 8.50% [14],[25],[35],[36]  
PIK Rate 11.49% [13],[20],[24],[26],[28] 12.17% [14],[25],[27],[35]  
Principal $ 4,486 [3],[13],[20],[24],[28] $ 4,486 [6],[14],[25],[35]  
Cost 4,231 [3],[13],[20],[24],[28] 4,231 [6],[14],[25],[35]  
Fair value $ 0 [7],[13],[20],[24],[28] $ 3,790 [8],[14],[25],[35]  
Investment, Identifier [Axis]: Bluestem Brands, Inc. | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 175,110 [13],[24],[42] 175,110 [14],[25],[29]  
Cost $ 1,111 [3],[13],[24],[42] $ 1,111 [6],[14],[25],[29]  
Fair value $ 0 [7],[13],[24],[42] $ 0 [8],[14],[25],[29]  
Investment, Identifier [Axis]: Boccella Precast Products LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 540,000 [24],[32] 540,000 [25]  
Cost $ 564 [3],[24],[32] $ 564 [6],[25]  
Fair value $ 700 [7],[24],[32] $ 80 [8],[25]  
Investment, Identifier [Axis]: Boccella Precast Products LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.00% [24] 10.00% [25]  
Principal $ 64 [3],[24] $ 80 [6],[25]  
Cost 64 [3],[24] 80 [6],[25]  
Fair value $ 64 [7],[24] $ 66 [8],[25]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 360 [9],[15],[16],[24] 360 [10],[12],[17],[25]  
Cost $ 0 [3],[9],[15],[16],[24] $ 0 [6],[10],[12],[17],[25]  
Fair value $ 0 [7],[9],[15],[16],[24] $ 0 [8],[10],[12],[17],[25]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 360 [9],[15],[16],[24] 360 [10],[12],[17],[25]  
Cost $ 360 [3],[9],[15],[16],[24] $ 360 [6],[10],[12],[17],[25]  
Fair value $ 350 [7],[9],[15],[16],[24] $ 310 [8],[10],[12],[17],[25]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.89% [9],[15],[16],[20],[24] 11.65% [10],[12],[17],[25],[35]  
Spread (as a percent) 5.75% [9],[15],[16],[20],[24],[30] 7.00% [10],[12],[17],[25],[35],[36]  
Principal $ 360 [3],[9],[15],[16],[20],[24] $ 360 [6],[10],[12],[17],[25],[35]  
Cost 352 [3],[9],[15],[16],[20],[24] 348 [6],[10],[12],[17],[25],[35]  
Fair value $ 360 [7],[9],[15],[16],[20],[24] $ 360 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.59% [9],[15],[16],[20],[24] 10.74% [10],[12],[17],[25],[35]  
Spread (as a percent) 5.75% [9],[15],[16],[20],[24],[30] 6.00% [10],[12],[17],[25],[35],[36]  
Principal $ 880 [3],[9],[15],[16],[20],[24] $ 3,999 [6],[10],[12],[17],[25],[35]  
Cost 863 [3],[9],[15],[16],[20],[24] 3,945 [6],[10],[12],[17],[25],[35]  
Fair value $ 880 [7],[9],[15],[16],[20],[24] $ 3,999 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 8.89% [9],[15],[16],[20],[24] 12.74% [10],[12],[17],[25],[35]  
Spread (as a percent) 4.75% [9],[15],[16],[20],[24],[30] 8.00% [10],[12],[17],[25],[35],[36]  
Principal $ 3,959 [3],[9],[15],[16],[20],[24] $ 3,999 [6],[10],[12],[17],[25],[35]  
Cost 3,922 [3],[9],[15],[16],[20],[24] 3,945 [6],[10],[12],[17],[25],[35]  
Fair value $ 3,959 [7],[9],[15],[16],[20],[24] $ 3,999 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Bond Brand Loyalty ULC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 10.89%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 6.75%    
Principal [3],[9],[15],[16],[20],[24] $ 3,959    
Cost [3],[9],[15],[16],[20],[24] 3,922    
Fair value [7],[9],[15],[16],[20],[24] $ 3,959    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) [11],[33]   737  
Cost [6],[11],[33]   $ 1,070  
Fair value   1,170 [8],[11],[33] 1,400
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) [23],[32] 737    
Cost [3],[23],[32] $ 1,070    
Fair value $ 860 [7],[23],[32] 1,170  
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) [23],[32] 78    
Total Rate [23],[32] 15.00%    
PIK Rate [23],[26],[32] 15.00%    
Cost [3],[23],[32] $ 84    
Fair value $ 84 [7],[23],[32] $ 0  
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.98% [20],[23] 14.66% [11],[35]  
Spread (as a percent) 10.00% [20],[23],[30] 10.00% [11],[35],[36]  
Principal $ 1,254 [3],[20],[23] $ 1,254 [6],[11],[35]  
Cost 1,254 [3],[20],[23] 1,254 [6],[11],[35]  
Fair value $ 1,254 [7],[20],[23] $ 1,254 [8],[11],[35] 1,374
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund III, LP)      
Schedule of Investments [Line Items]      
Units (as a percent) 1.59% [15],[18],[24],[46] 0.52% [12],[19],[25],[47]  
Cost $ 1,755 [3],[15],[18],[24],[46] $ 1,899 [6],[12],[19],[25],[47]  
Fair value $ 897 [7],[15],[18],[24],[46] $ 1,039 [8],[12],[19],[25],[47]  
Investment, Identifier [Axis]: Brightwood Capital Fund Investments | LP Interests (Brightwood Capital Fund IV, LP)      
Schedule of Investments [Line Items]      
Units (as a percent) 0.59% [15],[18],[24],[32],[46] 1.17% [12],[19],[25],[33],[47]  
Cost $ 6,440 [3],[15],[18],[24],[32],[46] $ 8,064 [6],[12],[19],[25],[33],[47]  
Fair value $ 6,447 [7],[15],[18],[24],[32],[46] $ 8,031 [8],[12],[19],[25],[33],[47]  
Investment, Identifier [Axis]: Buca C, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 4 [24] 4 [25]  
Total Rate 6.00% [24] 6.00% [25]  
PIK Rate 6.00% [24],[26] 6.00% [25],[27]  
Cost $ 3,040 [3],[24] $ 3,040 [6],[25]  
Fair value $ 0 [7],[24] $ 0 [8],[25]  
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 15.00% [24],[28],[48] 15.00% [25],[40],[41]  
PIK Rate 15.00% [24],[26],[28],[48] 15.00% [25],[27],[40],[41]  
Principal $ 4,458 [3],[24],[28],[48] $ 4,291 [6],[25],[40],[41]  
Cost 4,188 [3],[24],[28],[48] 3,717 [6],[25],[40],[41]  
Fair value $ 0 [7],[24],[28],[48] $ 0 [8],[25],[40],[41]  
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 15.00% [24],[28],[48] 15.00% [25],[40]  
PIK Rate 15.00% [24],[26],[28],[48] 15.00% [25],[27],[40]  
Principal $ 0 [3],[24],[28],[48] $ 10 [6],[25],[40]  
Cost 0 [3],[24],[28],[48] 0 [6],[25],[40]  
Fair value $ 0 [7],[24],[28],[48] $ 0 [8],[25],[40]  
Investment, Identifier [Axis]: Buca C, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 15.00% [24],[28],[48] 15.00% [25],[40],[41]  
PIK Rate 15.00% [24],[26],[28],[48] 15.00% [25],[27],[40],[41]  
Principal $ 4,078 [3],[24],[28],[48] $ 6,369 [6],[25],[40],[41]  
Cost 4,078 [3],[24],[28],[48] 4,078 [6],[25],[40],[41]  
Fair value $ 0 [7],[24],[28],[48] $ 0 [8],[25],[40],[41]  
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   5.00%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (8)  
Fair value [8],[10],[25],[35],[37]   $ 0  
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   9.46%  
Spread (as a percent) [10],[25],[35],[36]   5.00%  
Principal [6],[10],[25],[35]   $ 11,575  
Cost [6],[10],[25],[35]   11,469  
Fair value [8],[10],[25],[35]   $ 11,575  
Investment, Identifier [Axis]: CAI Software LLC | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) [25]   454,344  
Cost [6],[25]   $ 454  
Fair value [8],[25]   $ 513  
Investment, Identifier [Axis]: CAI Software LLC | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) [25]   126,446  
Cost [6],[25]   $ 0  
Fair value [8],[25]   $ 0  
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [9],[20],[24],[30],[31] 6.75% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (19) [3],[9],[20],[24],[31] (31) [6],[10],[25],[35],[37]  
Fair value $ (19) [7],[9],[20],[24],[31] $ (31) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.52%    
Spread (as a percent) 6.75% [9],[20],[24],[30] 6.75% [10],[25],[35],[36],[37]  
Principal $ 6,844 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 6,753 [3],[9],[20],[24] (31) [6],[10],[25],[35],[37]  
Fair value $ 6,844 [7],[9],[20],[24] $ (31) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: CQ Fluency, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.18%  
Spread (as a percent) [10],[25],[35],[36]   6.75%  
Principal [6],[10],[25],[35]   $ 7,219  
Cost [6],[10],[25],[35]   7,064  
Fair value [8],[10],[25],[35]   $ 7,169  
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24],[34] 10.87%    
Spread (as a percent) [9],[15],[16],[20],[24],[30],[34] 6.75%    
Principal [3],[9],[15],[16],[20],[24],[34] $ 448    
Cost [3],[9],[15],[16],[20],[24],[34] 436    
Fair value [7],[9],[15],[16],[20],[24],[34] $ 448    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[15],[16],[24],[30],[31] 6.75%    
Principal [3],[9],[15],[16],[24],[31] $ 0    
Cost [3],[9],[15],[16],[24],[31] (18)    
Fair value [7],[9],[15],[16],[24],[31] $ (18)    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 10.70%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 6.75%    
Principal [3],[9],[15],[16],[20],[24] $ 625    
Cost [3],[9],[15],[16],[20],[24] 613    
Fair value [7],[9],[15],[16],[20],[24] $ 613    
Investment, Identifier [Axis]: CRC Evans USA Bidco, Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 10.83%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 6.75%    
Principal [3],[9],[15],[16],[20],[24] $ 979    
Cost [3],[9],[15],[16],[20],[24] 957    
Fair value [7],[9],[15],[16],[20],[24] $ 979    
Investment, Identifier [Axis]: Career Team Holdings, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 57,402 [24] 50,000 [25]  
Cost $ 574 [3],[24] $ 500 [6],[25]  
Fair value $ 600 [7],[24] $ 530 [8],[25]  
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [25],[35]   10.56%  
Spread (as a percent) 6.00% [20],[24],[30],[31] 6.00% [25],[35],[36]  
Principal $ 0 [3],[20],[24],[31] $ 100 [6],[25],[35]  
Cost (6) [3],[20],[24],[31] 97 [6],[25],[35]  
Fair value $ (6) [7],[20],[24],[31] $ 97 [8],[25],[35]  
Investment, Identifier [Axis]: Career Team Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 12.50% [25]  
Principal $ 2,432 [3],[24] $ 2,160 [6],[25]  
Cost 2,379 [3],[24] 2,134 [6],[25]  
Fair value $ 2,379 [7],[24] $ 2,134 [8],[25]  
Investment, Identifier [Axis]: CaseWorthy, Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 105,856 [9],[24] 80,000 [10],[25]  
Cost $ 106 [3],[9],[24] $ 80 [6],[10],[25]  
Fair value $ 230 [7],[9],[24] $ 160 [8],[10],[25]  
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 368 [24],[32] 368 [25],[33]  
Cost $ 404 [3],[24],[32] $ 404 [6],[25],[33]  
Fair value $ 2,700 [7],[24],[32] 1,610 [8],[25],[33]  
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [24] 15.00%    
Principal $ 200 [3],[24] 0 [6],[25],[37]  
Cost 199 [3],[24] (3) [6],[25],[37]  
Fair value $ 200 [7],[24] $ 0 [8],[25],[37]  
Investment, Identifier [Axis]: CenterPeak Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 15.00% [24] 15.00% [25]  
Principal $ 2,790 [3],[24] $ 2,390 [6],[25]  
Cost 2,789 [3],[24] 2,364 [6],[25]  
Fair value $ 2,790 [7],[24] $ 2,390 [8],[25]  
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 3,471 [23] 3,471 [11]  
Cost $ 1,596 [3],[23] $ 1,596 [6],[11]  
Fair value $ 10,680 [7],[23] $ 3,110 [8],[11] 2,760
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00% [20],[23],[30],[31] 9.00% [11],[35],[36],[37]  
Principal $ 0 [3],[20],[23],[31] $ 0 [6],[11],[35],[37]  
Cost 0 [3],[20],[23],[31] 0 [6],[11],[35],[37]  
Fair value $ 0 [7],[20],[23],[31] $ 0 [8],[11],[35],[37] 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.98% [20],[23] 13.66% [11],[35]  
Spread (as a percent) 8.00% [20],[23],[30] 9.00% [11],[35],[36]  
Principal $ 6,021 [3],[20],[23] $ 6,384 [6],[11],[35]  
Cost 6,003 [3],[20],[23] 6,356 [6],[11],[35]  
Fair value $ 6,021 [7],[20],[23] $ 6,384 [8],[11],[35] 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent)   10.00%  
Fair value   $ 0 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Fair value   $ 0 4,394
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 1,087 [23],[32] 1,087 [11],[33]  
Cost $ 2,860 [3],[23],[32] $ 2,860 [6],[11],[33]  
Fair value $ 8,880 [7],[23],[32] $ 8,280 [8],[11],[33] 7,330
Investment, Identifier [Axis]: Chamberlin Holding LLC | Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 261,786 [23],[32],[44] 261,786 [11],[33],[45]  
Cost $ 443 [3],[23],[32],[44] $ 443 [6],[11],[33],[45]  
Fair value $ 1,043 [7],[23],[32],[44] $ 888 [8],[11],[33],[45] 715
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [20],[23],[30],[31] 6.00% [11],[35],[36],[37]  
Principal $ 0 [3],[20],[23],[31] $ 0 [6],[11],[35],[37]  
Cost (21) [3],[20],[23],[31] (26) [6],[11],[35],[37]  
Fair value $ 0 [7],[20],[23],[31] $ 0 [8],[11],[35],[37] 0
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.99% [20],[23] 12.74% [11],[35]  
Spread (as a percent) 8.00% [20],[23],[30] 8.00% [11],[35],[36]  
Principal $ 10,505 [3],[20],[23] $ 3,905 [6],[11],[35]  
Cost 10,355 [3],[20],[23] 3,904 [6],[11],[35]  
Fair value $ 10,505 [7],[20],[23] 3,905 [8],[11],[35] 3,905
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 8.00%    
Fair value $ 0 3,905  
Investment, Identifier [Axis]: Chamberlin Holding LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.99%    
Spread (as a percent) 8.00%    
Fair value $ 10,505 $ 0  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.84% [9],[20],[24],[34] 11.53% [10],[25],[35],[43]  
Spread (as a percent) 6.75% [9],[20],[24],[30],[34] 7.00% [10],[25],[35],[36],[43]  
Principal $ 667 [3],[9],[20],[24],[34] $ 467 [6],[10],[25],[35],[43]  
Cost 657 [3],[9],[20],[24],[34] 456 [6],[10],[25],[35],[43]  
Fair value $ 667 [7],[9],[20],[24],[34] $ 444 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.84% [9],[20],[24] 11.93% [10],[25],[35]  
Spread (as a percent) 6.75% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 3,291 [3],[9],[20],[24] $ 3,326 [6],[10],[25],[35]  
Cost 3,276 [3],[9],[20],[24] 3,297 [6],[10],[25],[35]  
Fair value $ 3,291 [7],[9],[20],[24] $ 3,166 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.84% [9],[20],[24] 11.93% [10],[25],[35]  
Spread (as a percent) 6.75% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 182 [3],[9],[20],[24] $ 184 [6],[10],[25],[35]  
Cost 182 [3],[9],[20],[24] 183 [6],[10],[25],[35]  
Fair value $ 182 [7],[9],[20],[24] $ 175 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 10.84% [9],[20],[24] 11.93% [10],[25],[35]  
Spread (as a percent) 6.75% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 441 [3],[9],[20],[24] $ 445 [6],[10],[25],[35]  
Cost 437 [3],[9],[20],[24] 439 [6],[10],[25],[35]  
Fair value $ 441 [7],[9],[20],[24] $ 424 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Charps, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 457 [23],[32] 457 [11],[33]  
Cost $ 491 [3],[23],[32] $ 491 [6],[11],[33]  
Fair value $ 4,010 [7],[23],[32] $ 3,900 [8],[11],[33] 3,920
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 179 [23],[32] 179 [11],[33]  
Cost $ 1,820 [3],[23],[32] $ 1,820 [6],[11],[33]  
Fair value $ 3,530 [7],[23],[32] $ 2,750 [8],[11],[33] 1,300
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 200 [23],[44] 200 [11],[45]  
Cost $ 127 [3],[23],[44] $ 127 [6],[11],[45]  
Fair value 317 [7],[23],[44] 237 [8],[11],[45] 282
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Member Units 3      
Schedule of Investments [Line Items]      
Fair value 317 236  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost 0 [3],[23],[31] 0 [6],[11],[37]  
Fair value $ 0 [7],[23],[31] $ 0 [8],[11],[37] 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 9.00% [11]  
Principal $ 2,370 [3],[23] $ 1,690 [6],[11]  
Cost 2,348 [3],[23] 1,681 [6],[11]  
Fair value 2,370 [7],[23] 1,690 [8],[11] 2,103
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Fair value $ 0 $ 1,690  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 10.00% [11]  
Principal $ 232 [3],[23] $ 243 [6],[11]  
Cost 231 [3],[23] 242 [6],[11]  
Fair value $ 232 [7],[23] 243 [8],[11] 251
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 3.1      
Schedule of Investments [Line Items]      
Total Rate 10.00%    
Fair value $ 2,370 0  
Investment, Identifier [Axis]: Clad-Rex Steel, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 10.00%    
Fair value $ 232 243  
Investment, Identifier [Axis]: Clarius BIGS, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Principal 2,644 [3],[9],[24],[28],[48] 2,666 [6],[10],[25],[40],[41]  
Cost 2,300 [3],[9],[24],[28],[48] 2,321 [6],[10],[25],[40],[41]  
Fair value $ 8 [7],[9],[24],[28],[48] $ 19 [8],[10],[25],[40],[41]  
Investment, Identifier [Axis]: Classic H&G Holdings, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 39 [24] 39 [25],[33]  
Cost $ 0 [3],[24] $ 0 [6],[25],[33]  
Fair value $ 510 [7],[24] $ 710 [8],[25],[33]  
Investment, Identifier [Axis]: Cody Pools, Inc. | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 147 [23],[32],[44] 147 [11],[33],[45]  
Cost $ 2,079 [3],[23],[32],[44] $ 2,079 [6],[11],[33],[45]  
Fair value 16,270 [7],[23],[32],[44] 16,950 [8],[11],[33],[45] 18,120
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost (19) [3],[23],[31] (3) [6],[11],[37]  
Fair value $ 0 [7],[23],[31] $ 0 [8],[11],[37] 0
Investment, Identifier [Axis]: Cody Pools, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% [23] 12.50% [11]  
Principal $ 5,891 [3],[23] $ 6,598 [6],[11]  
Cost 5,785 [3],[23] 6,585 [6],[11]  
Fair value $ 5,891 [7],[23] $ 6,598 [8],[11] 7,111
Investment, Identifier [Axis]: Colonial Electric Company LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 4,320 [23],[32] 4,320 [11],[33]  
Cost $ 1,920 [3],[23],[32] $ 1,920 [6],[11],[33]  
Fair value 4,210 [7],[23],[32] 3,390 [8],[11],[33]  
Investment, Identifier [Axis]: Colonial Electric Company LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Fair value   0 600
Investment, Identifier [Axis]: Colonial Electric Company LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Fair value   3,390 1,920
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost 0 [3],[23],[31] 0 [6],[11],[37]  
Fair value $ 0 [7],[23],[31] $ 0 [8],[11],[37] 0
Investment, Identifier [Axis]: Colonial Electric Company LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.00% [23] 12.00% [11]  
Principal $ 2,195 [3],[23] $ 3,578 [6],[11]  
Cost 2,191 [3],[23] 3,554 [6],[11]  
Fair value $ 2,195 [7],[23] $ 3,578 [8],[11] 5,407
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,863 [23] 1,863 [11]  
Cost $ 1,863 [3],[23] $ 1,863 [6],[11]  
Fair value 1,800 [7],[23] 1,860 [8],[11] 1,863
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost (12) [3],[23],[31] (16) [6],[11],[37]  
Fair value $ (12) [7],[23],[31] $ (16) [8],[11],[37] 0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.50% [23] 13.50% [11]  
Principal $ 4,300 [3],[23] $ 4,300 [6],[11]  
Cost 4,227 [3],[23] 4,201 [6],[11]  
Fair value $ 4,249 [7],[23] $ 4,201 [8],[11] 4,175
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.28% [9],[20],[24],[34] 12.93% [10],[25],[35],[43]  
Spread (as a percent) 8.25% [9],[20],[24],[30],[34] 8.25% [10],[25],[35],[36],[43]  
PIK Rate [9],[20],[24],[26],[34] 12.02%    
Principal $ 7,359 [3],[9],[20],[24],[34] $ 6,531 [6],[10],[25],[35],[43]  
Cost 7,333 [3],[9],[20],[24],[34] 6,461 [6],[10],[25],[35],[43]  
Fair value $ 6,996 [7],[9],[20],[24],[34] $ 6,118 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 12.02%    
Spread (as a percent) 8.25% [9],[20],[24],[30] 8.25% [10],[25],[35],[36],[37]  
PIK Rate [9],[20],[24],[26] 12.02%    
Principal $ 17,842 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 17,787 [3],[9],[20],[24] (42) [6],[10],[25],[35],[37]  
Fair value $ 16,960 [7],[9],[20],[24] $ (42) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Computer Data Source, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   12.92%  
Spread (as a percent) [10],[25],[35],[36]   8.25%  
Principal [6],[10],[25],[35]   $ 15,807  
Cost [6],[10],[25],[35]   15,656  
Fair value [8],[10],[25],[35]   $ 14,807  
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 2,478 [15],[16],[24] 2,478 [12],[25]  
Cost $ 1,400 [3],[15],[16],[24] $ 1,400 [6],[12],[25]  
Fair value $ 1,400 [7],[15],[16],[24] $ 1,400 [8],[12],[25]  
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc. | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.00% [15],[16],[24] 13.00% [12],[25]  
Principal $ 2,704 [3],[15],[16],[24] $ 3,064 [6],[12],[25]  
Cost 2,642 [3],[15],[16],[24] 2,977 [6],[12],[25]  
Fair value $ 2,642 [7],[15],[16],[24] $ 2,977 [8],[12],[25]  
Investment, Identifier [Axis]: Copper Trail Fund Investments | LP Interests (CTMH, LP)      
Schedule of Investments [Line Items]      
Units (as a percent) 38.75% [15],[18],[21],[46] 38.75% [12],[19],[22],[47]  
Cost $ 515 [3],[15],[18],[21],[46] $ 655 [6],[12],[19],[22],[47]  
Fair value $ 390 [7],[15],[18],[21],[46] $ 530 [8],[12],[19],[22],[47] 568
Investment, Identifier [Axis]: Core Transformers | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 1,000,000    
Cost [3],[9],[24] $ 1,000    
Fair value [7],[9],[24] $ 1,000    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Cost [3],[9],[20],[24],[31] $ (95)    
Fair value [7],[9],[20],[24],[31] $ (95)    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Cost [3],[9],[20],[24],[31] $ (95)    
Fair value [7],[9],[20],[24],[31] $ (95)    
Investment, Identifier [Axis]: Core Transformers | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.23%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Cost [3],[9],[20],[24] $ 9,811    
Fair value [7],[9],[20],[24] $ 9,811    
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.32% [9],[15],[16],[20],[24],[34] 10.39% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.50% [9],[15],[16],[20],[24],[30],[34] 6.00% [10],[12],[17],[25],[35],[36]  
Principal $ 449 [3],[9],[15],[16],[20],[24],[34] $ 449 [6],[10],[12],[17],[25],[35]  
Cost 432 [3],[9],[15],[16],[20],[24],[34] 427 [6],[10],[12],[17],[25],[35]  
Fair value $ 445 [7],[9],[15],[16],[20],[24],[34] $ 440 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.34% [9],[15],[16],[20],[24] 10.36% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.50% [9],[15],[16],[20],[24],[30] 6.00% [10],[12],[17],[25],[35],[36]  
Principal $ 2,841 [3],[9],[15],[16],[20],[24] $ 2,877 [6],[10],[12],[17],[25],[35]  
Cost 2,793 [3],[9],[15],[16],[20],[24] 2,816 [6],[10],[12],[17],[25],[35]  
Fair value $ 2,818 [7],[9],[15],[16],[20],[24] $ 2,824 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.59% [9],[15],[16],[20],[24] 10.40% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.75% [9],[15],[16],[20],[24],[30] 6.00% [10],[12],[17],[25],[35],[36]  
Principal $ 8,546 [3],[9],[15],[16],[20],[24] $ 1,913 [6],[10],[12],[17],[25],[35]  
Cost 8,396 [3],[9],[15],[16],[20],[24] 1,878 [6],[10],[12],[17],[25],[35]  
Fair value $ 8,516 [7],[9],[15],[16],[20],[24] $ 1,878 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Coregistics Buyer LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 10.37% [9],[15],[16],[20],[24] 10.61% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.50% [9],[15],[16],[20],[24],[30] 6.25% [10],[12],[17],[25],[35],[36]  
Principal $ 1,894 [3],[9],[15],[16],[20],[24] $ 8,611 [6],[10],[12],[17],[25],[35]  
Cost 1,868 [3],[9],[15],[16],[20],[24] 8,417 [6],[10],[12],[17],[25],[35]  
Fair value $ 1,879 [7],[9],[15],[16],[20],[24] $ 8,109 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: Creative Foam Corporation | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 2,862    
Cost [3],[9],[24] $ 286    
Fair value [7],[9],[24] $ 230    
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75% [9],[20],[24],[31] 5.75% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (22) [3],[9],[20],[24],[31] (28) [6],[10],[25],[35],[37]  
Fair value $ (22) [7],[9],[20],[24],[31] $ (28) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.69% [9],[20],[24] 10.11% [10],[25],[35]  
Spread (as a percent) 6.75% [9],[20],[24] 5.75% [10],[25],[35],[36]  
Principal $ 16,578 [3],[9],[20],[24] $ 10,801 [6],[10],[25],[35]  
Cost 16,307 [3],[9],[20],[24] 10,610 [6],[10],[25],[35]  
Fair value $ 16,578 [7],[9],[20],[24] $ 10,694 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Creative Foam Corporation | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.44%    
Spread (as a percent) [9],[20],[24],[30] 6.75%    
Principal [3],[9],[20],[24] $ 10,400    
Cost [3],[9],[20],[24] 10,255    
Fair value [7],[9],[20],[24] $ 10,400    
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) 1,486 [23] 1,486 [11]  
Cost $ 1,486 [3],[23] $ 1,486 [6],[11]  
Fair value $ 2,296 [7],[23] $ 1,486 [8],[11] 1,920
Investment, Identifier [Axis]: DMA Industries, LLC | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) 767 [23],[32] 767 [11],[33]  
Total Rate 15.00% [23],[32] 15.00% [11],[33]  
PIK Rate 15.00% [23],[26],[32] 15.00% [11],[27],[33]  
Cost $ 938 [3],[23],[32] $ 810 [6],[11],[33]  
Fair value $ 1,358 [7],[23],[32] $ 810 [8],[11],[33] 0
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 12.00% [11]  
Principal $ 140 [3],[23] $ 140 [6],[11]  
Cost 138 [3],[23] 138 [6],[11]  
Fair value $ 140 [7],[23] $ 138 [8],[11] 0
Investment, Identifier [Axis]: DMA Industries, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 12.00% [11]  
Principal $ 3,200 [3],[23] $ 4,200 [6],[11]  
Cost 3,177 [3],[23] 4,161 [6],[11]  
Fair value $ 3,200 [7],[23] $ 4,161 [8],[11] 4,700
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class A Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 776,316 [9],[24] 776,316 [10],[25]  
Total Rate 8.00% [9],[24] 8.00% [10],[25]  
PIK Rate 8.00% [9],[24],[26] 8.00% [10],[25],[27]  
Cost $ 776 [3],[9],[24] $ 776 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: DTE Enterprises, LLC | Class AA Preferred Member Units (non-voting)      
Schedule of Investments [Line Items]      
Total Rate 10.00% [9],[24] 10.00% [10],[25],[33]  
PIK Rate 10.00% [9],[24],[26] 10.00% [10],[25],[27],[33]  
Cost $ 1,316 [3],[9],[24] $ 1,316 [6],[10],[25],[33]  
Fair value $ 0 [7],[9],[24] $ 438 [8],[10],[25],[33]  
Investment, Identifier [Axis]: Dalton US Inc. | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 37 [9],[24] 37 [10],[25]  
Cost $ 52 [3],[9],[24] $ 52 [6],[10],[25]  
Fair value $ 50 [7],[9],[24] $ 50 [8],[10],[25]  
Investment, Identifier [Axis]: Datacom, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 1,040 [23] 1,000 [11]  
Cost $ 330 [3],[23] $ 290 [6],[11]  
Fair value $ 0 [7],[23] $ 30 [8],[11] 10
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 7.50% [23] 7.50% [11]  
Principal $ 75 [3],[23] $ 55 [6],[11]  
Cost 75 [3],[23] 55 [6],[11]  
Fair value $ 75 [7],[23] $ 55 [8],[11] 49
Investment, Identifier [Axis]: Datacom, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% [23] 10.00% [11]  
Principal $ 868 [3],[23] $ 898 [6],[11]  
Cost 868 [3],[23] 878 [6],[11]  
Fair value $ 463 [7],[23] $ 878 [8],[11] 844
Investment, Identifier [Axis]: Digital Products Holdings LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 964 [23],[32] 964 [11],[33]  
Cost $ 2,375 [3],[23],[32] $ 2,375 [6],[11],[33]  
Fair value $ 2,459 [7],[23],[32] $ 2,459 [8],[11],[33] 2,459
Investment, Identifier [Axis]: Digital Products Holdings LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.88% [20],[23] 14.56% [11],[35]  
Spread (as a percent) 10.00% [20],[23],[30] 10.00% [11],[35],[36]  
Principal $ 2,989 [3],[20],[23] $ 3,154 [6],[11],[35]  
Cost 2,986 [3],[20],[23] 3,140 [6],[11],[35]  
Fair value $ 2,834 [7],[20],[23] $ 3,105 [8],[11],[35] 3,673
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,100 [23] 2,100 [11]  
Cost $ 2,100 [3],[23] $ 2,100 [6],[11]  
Fair value $ 4,940 [7],[23] 4,480 [8],[11] 5,180
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [23] 14.00%    
Principal $ 315 [3],[23] 0 [6],[11],[37]  
Cost 315 [3],[23] (2) [6],[11],[37]  
Fair value $ 315 [7],[23] $ 0 [8],[11],[37] 217
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.00% [23] 14.00% [11]  
Principal $ 4,501 [3],[23] $ 4,668 [6],[11]  
Cost 4,500 [3],[23] 4,656 [6],[11]  
Fair value $ 4,501 [7],[23] $ 4,668 [8],[11] 5,002
Investment, Identifier [Axis]: Dynamic Communities, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,250,000 [9],[24] 1,250,000 [10],[25]  
Cost $ 0 [3],[9],[24] $ 0 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) 125,000 [9],[24] 125,000 [10],[25]  
Cost $ 128 [3],[9],[24] $ 128 [6],[10],[25]  
Fair value $ 110 [7],[9],[24] $ 60 [8],[10],[25]  
Investment, Identifier [Axis]: Dynamic Communities, LLC | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) 2,376,241 [9],[24] 2,376,241 [10],[25]  
Cost $ 0 [3],[9],[24] $ 0 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.82% [9],[20],[24] 11.46% [10],[25],[35]  
Spread (as a percent) 8.00% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
PIK Rate 11.82% [9],[20],[24],[26] 11.46% [10],[25],[27],[35]  
Principal $ 2,612 [3],[9],[20],[24] $ 2,318 [6],[10],[25],[35]  
Cost 2,507 [3],[9],[20],[24] 2,160 [6],[10],[25],[35]  
Fair value $ 2,612 [7],[9],[20],[24] $ 2,220 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Dynamic Communities, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.82% [9],[20],[24] 13.46% [10],[25],[35]  
Spread (as a percent) 9.00% [9],[20],[24],[30] 9.00% [10],[25],[35],[36]  
PIK Rate [10],[25],[27],[35]   13.46%  
Principal $ 2,493 [3],[9],[20],[24] $ 2,413 [6],[10],[25],[35]  
Cost 2,259 [3],[9],[20],[24] 2,179 [6],[10],[25],[35]  
Fair value $ 2,464 [7],[9],[20],[24] $ 2,219 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 714,286    
Cost [3],[9],[24] $ 714    
Fair value [7],[9],[24] $ 1,080    
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (73)    
Fair value [7],[9],[20],[24],[31] $ (73)    
Investment, Identifier [Axis]: Electro Technical Industries, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.22%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 24,466    
Cost [3],[9],[20],[24] 24,052    
Fair value [7],[9],[20],[24] $ 24,466    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 1      
Schedule of Investments [Line Items]      
Units (in shares) 19 [24] 19 [25]  
Cost $ 374 [3],[24] $ 374 [6],[25]  
Fair value $ 330 [7],[24] $ 370 [8],[25]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Common Stock 2      
Schedule of Investments [Line Items]      
Units (in shares) 61 [24],[44] 61 [25],[45]  
Cost $ 102 [3],[24],[44] $ 102 [6],[25],[45]  
Fair value $ 214 [7],[24],[44] $ 199 [8],[25],[45]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [20],[24],[30],[31] 6.00% [25],[35],[36],[37]  
Principal $ 0 [3],[20],[24],[31] $ 0 [6],[25],[35],[37]  
Cost 0 [3],[20],[24],[31] 0 [6],[25],[35],[37]  
Fair value $ 0 [7],[20],[24],[31] $ 0 [8],[25],[35],[37]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% [24] 12.00% [25]  
Principal $ 1,097 [3],[24] $ 1,181 [6],[25]  
Cost 1,085 [3],[24] 1,162 [6],[25]  
Fair value $ 1,085 [7],[24] $ 1,162 [8],[25]  
Investment, Identifier [Axis]: Elgin AcquireCo, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.00% [24] 9.00% [25]  
Principal $ 406 [3],[24] $ 409 [6],[25]  
Cost 402 [3],[24] 406 [6],[25]  
Fair value $ 402 [7],[24] $ 406 [8],[25]  
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc. | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.22% [13],[20],[24] 10.71% [14],[25],[35]  
Spread (as a percent) 6.25% [13],[20],[24],[30] 6.25% [14],[25],[35],[36]  
Principal $ 2,266 [3],[13],[20],[24] $ 2,328 [6],[14],[25],[35]  
Cost 2,249 [3],[13],[20],[24] 2,303 [6],[14],[25],[35]  
Fair value $ 1,427 [7],[13],[20],[24] $ 1,863 [8],[14],[25],[35]  
Investment, Identifier [Axis]: Escalent, Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 170,998 [9] 170,998 [10],[25]  
Cost $ 174 [3],[9] $ 174 [6],[10],[25]  
Fair value $ 240 [7],[9] $ 240 [8],[10],[25]  
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [9],[20],[24],[30],[31] 8.00% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (6) [3],[9],[20],[31] (7) [6],[10],[25],[35],[37]  
Fair value $ 0 [7],[9],[20],[31] $ (7) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.67% [9],[20] 12.39% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[30] 8.00% [10],[25],[35],[36]  
Principal $ 356 [3],[9],[20] $ 364 [6],[10],[25],[35]  
Cost 352 [3],[9],[20] 358 [6],[10],[25],[35]  
Fair value $ 356 [7],[9],[20] $ 358 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Escalent, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.67% [9],[20] 12.43% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[30] 8.00% [10],[25],[35],[36]  
Principal $ 6,715 [3],[9],[20] $ 6,855 [6],[10],[25],[35]  
Cost 6,602 [3],[9],[20] 6,707 [6],[10],[25],[35]  
Fair value $ 6,715 [7],[9],[20] $ 6,855 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.93% [9],[20],[24] 12.59% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
Principal $ 308 [3],[9],[20],[24] $ 308 [6],[10],[25],[35]  
Cost 307 [3],[9],[20],[24] 306 [6],[10],[25],[35]  
Fair value $ 308 [7],[9],[20],[24] $ 308 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Event Holdco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.93% [9],[20],[24] 12.59% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
PIK Rate [10],[25],[27],[35]   6.00%  
Principal $ 4,003 [3],[9],[20],[24] $ 3,969 [6],[10],[25],[35]  
Cost 3,996 [3],[9],[20],[24] 3,955 [6],[10],[25],[35]  
Fair value 4,003 [7],[9],[20],[24] $ 3,969 [8],[10],[25],[35]  
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [25]   13.00%  
Principal [6],[25]   $ 8,200  
Cost [6],[25]   7,135  
Fair value [8],[25]   $ 7,135  
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [3],[24],[31] 0    
Cost [3],[24],[31] 0    
Fair value [7],[24],[31] $ 0    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [24] 13.00%    
Principal [3],[24] $ 7,790    
Cost [3],[24] 7,007    
Fair value [7],[24] $ 7,790    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 3 [24],[32],[42] 3 [25],[29]  
Cost $ 980 [3],[24],[32],[42] $ 980 [6],[25],[29]  
Fair value 3,780 [7],[24],[32],[42] 2,710 [8],[25],[29]  
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III      
Schedule of Investments [Line Items]      
Cash and cash equivalents 1,571 [3] 2,099 [6],[49]  
Cash and cash equivalents, fair value $ 1,571 [7] $ 2,099 [8],[49]  
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z      
Schedule of Investments [Line Items]      
Total Rate 3.67% 4.41%  
Cash and cash equivalents $ 9,540 [3],[9] $ 12,261 [6],[50]  
Cash and cash equivalents, fair value $ 9,540 [7],[9] $ 12,261 [8],[50]  
Investment, Identifier [Axis]: Flame King Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 2,340 [23],[32] 2,340 [11],[33]  
Cost $ 2,600 [3],[23],[32] $ 2,600 [6],[11],[33]  
Fair value 13,660 [7],[23],[32] 8,980 [8],[11],[33] 6,970
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [3],[23],[31] 0    
Cost [3],[23],[31] 0    
Fair value [7],[23],[31] $ 0    
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 1.1      
Schedule of Investments [Line Items]      
Total Rate 12.00%    
Fair value $ 16,500 0  
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [23] 12.00%    
Principal [3],[23] $ 16,500    
Cost [3],[23] 16,208    
Fair value [7],[23] 16,500    
Investment, Identifier [Axis]: Flame King Holdings, LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Freeport Financial Funds | LP Interests (Freeport First Lien Loan Fund III LP)      
Schedule of Investments [Line Items]      
Units (as a percent) 5.95% [15],[18],[23],[46] 5.95% [11],[12],[19],[33],[47]  
Cost $ 671 [3],[15],[18],[23],[46] $ 1,659 [6],[11],[12],[19],[33],[47]  
Fair value $ 193 [7],[15],[18],[23],[46] $ 1,263 [8],[11],[12],[19],[33],[47] 3,705
Investment, Identifier [Axis]: GFG Group, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (as a percent) [11],[33]   56.39%  
Units (in shares) [23],[32] 56    
Cost $ 1,225 [3],[23],[32] $ 1,225 [6],[11],[33]  
Fair value $ 2,740 [7],[23],[32] $ 2,640 [8],[11],[33] 2,870
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 8.00% [23] 8.00% [11]  
Principal $ 3,513 [3],[23] $ 2,046 [6],[11]  
Cost 3,506 [3],[23] 2,030 [6],[11]  
Fair value 3,513 [7],[23] 2,046 [8],[11] 2,336
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Fair value 0 2,046  
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Fair value $ 0 0  
Investment, Identifier [Axis]: GFG Group, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 8.00%    
Fair value $ 3,513 $ 0  
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,896 [21],[32] 2,896 [22]  
Cost $ 6,435 [3],[21],[32] $ 6,435 [6],[22]  
Fair value $ 22,830 [7],[21],[32] $ 22,600 [8],[22] 21,890
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.98% [21] 10.66% [22]  
Spread (as a percent) 6.00% [21],[30] 6.00% [22],[36]  
Principal $ 1,550 [3],[21] $ 1,550 [6],[22]  
Cost 1,545 [3],[21] 1,539 [6],[22]  
Fair value $ 1,550 [7],[21] $ 1,550 [8],[22] 1,182
Investment, Identifier [Axis]: GRT Rubber Technologies LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.98% [21] 12.66% [22]  
Spread (as a percent) 8.00% [21],[30] 8.00% [22],[36]  
Principal $ 19,944 [3],[21] $ 19,944 [6],[22]  
Cost 19,902 [3],[21] 19,852 [6],[22]  
Fair value $ 19,944 [7],[21] 19,944 [8],[22] 19,944
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [23],[44] 133    
Cost [3],[23],[44] $ 99    
Fair value $ 99 [7],[23],[44] $ 0  
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 2,261 [23],[32] 2,261 [11],[33]  
Cost $ 4,423 [3],[23],[32] $ 4,423 [6],[11],[33]  
Fair value $ 28,450 [7],[23],[32] $ 28,690 [8],[11],[33] 24,180
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.50% [20],[23],[30],[31],[51] 7.00% [11],[35],[36],[37],[52]  
Principal $ 0 [3],[20],[23],[31],[51] $ 0 [6],[11],[35],[37],[52]  
Cost 0 [3],[20],[23],[31],[51] 0 [6],[11],[35],[37],[52]  
Fair value $ 0 [7],[20],[23],[31],[51] $ 0 [8],[11],[35],[37],[52] 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.38% [20],[23] 11.00% [11],[35],[52]  
Spread (as a percent) 7.50% [20],[23],[30] 7.00% [11],[35],[36],[52]  
Principal $ 17,632 [3],[20],[23] $ 18,282 [6],[11],[35],[52]  
Cost 17,557 [3],[20],[23] 18,166 [6],[11],[35],[52]  
Fair value $ 17,632 [7],[20],[23] $ 18,282 [8],[11],[35],[52] 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent)   7.00%  
Fair value   $ 0 13,520
Investment, Identifier [Axis]: Garyline, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 210,084 [9],[24] 210,084 [10],[25]  
Cost $ 210 [3],[9],[24] $ 210 [6],[10],[25]  
Fair value $ 130 [7],[9],[24] $ 150 [8],[10],[25]  
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35],[43]   11.29%  
Spread (as a percent) 7.25% [9],[20],[24],[30],[31] 6.75% [10],[25],[35],[36],[43]  
Principal $ 0 [3],[9],[20],[24],[31] $ 2,416 [6],[10],[25],[35],[43]  
Cost (21) [3],[9],[20],[24],[31] 2,355 [6],[10],[25],[35],[43]  
Fair value $ 0 [7],[9],[20],[24],[31] $ 2,416 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Garyline, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.98% [9],[20],[24] 11.34% [10],[25],[35]  
Spread (as a percent) 7.25% [9],[20],[24],[30] 6.75% [10],[25],[35],[36]  
Principal $ 8,514 [3],[9],[20],[24] $ 9,567 [6],[10],[25],[35]  
Cost 8,394 [3],[9],[20],[24] 9,346 [6],[10],[25],[35]  
Fair value $ 8,514 [7],[9],[20],[24] $ 9,567 [8],[10],[25],[35]  
Investment, Identifier [Axis]: GradeEight Corp. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 570 [9],[24] 471 [10],[25]  
Cost $ 564 [3],[9],[24] $ 471 [6],[10],[25]  
Fair value $ 423 [7],[9],[24] $ 471 [8],[10],[25]  
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 11.23%    
Spread (as a percent) 7.50% [9],[20],[24],[30] 7.25% [10],[25],[35],[36],[37]  
Principal $ 400 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 365 [3],[9],[20],[24] (45) [6],[10],[25],[35],[37]  
Fair value $ 391 [7],[9],[20],[24] $ (45) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 11.23%    
Spread (as a percent) 7.50% [9],[20],[24],[30] 7.25% [10],[25],[35],[36],[37]  
Principal $ 1,959 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 1,922 [3],[9],[20],[24] (22) [6],[10],[25],[35],[37]  
Fair value $ 1,922 [7],[9],[20],[24] $ (22) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: GradeEight Corp. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.31% [9],[20],[24],[53] 11.74% [10],[25],[35]  
Spread (as a percent) 7.25% [9],[20],[24],[30],[53] 7.25% [10],[25],[35],[36]  
Principal $ 14,453 [3],[9],[20],[24],[53] $ 14,824 [6],[10],[25],[35]  
Cost 14,235 [3],[9],[20],[24],[53] 14,542 [6],[10],[25],[35]  
Fair value 14,136 [7],[9],[20],[24],[53] $ 14,542 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) [11]   920  
Cost [6],[11]   $ 920  
Fair value 0 $ 0 [8],[11] 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [11]   15,930  
Cost [6],[11]   $ 1,400  
Fair value $ 0 $ 0 [8],[11] 620
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.50% 9.50% [11],[35],[36],[37],[40]  
Principal [6],[11],[35],[37],[40]   $ 0  
Cost [6],[11],[35],[37],[40]   0  
Fair value $ 0 $ 0 [8],[11],[35],[37],[40] 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [11],[40]   12.50%  
PIK Rate [11],[27],[40]   12.50%  
Principal [6],[11],[40]   $ 600  
Cost [6],[11],[40]   581  
Fair value $ 0 $ 378 [8],[11],[40] 571
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 35,971 [9],[24] 35,971 [10],[25]  
Cost $ 0 [3],[9],[24] $ 0 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.01% [9],[20],[24],[28] 8.75% [10],[25],[35]  
Spread (as a percent) 3.50% [9],[20],[24],[28],[30] 3.50% [10],[25],[35],[36]  
PIK Rate 2.50% [9],[20],[24],[26],[28] 2.50% [10],[25],[27],[35]  
Principal $ 1,465 [3],[9],[20],[24],[28] $ 1,361 [6],[10],[25],[35]  
Cost 1,437 [3],[9],[20],[24],[28] 1,307 [6],[10],[25],[35]  
Fair value $ 1,276 [7],[9],[20],[24],[28] $ 1,307 [8],[10],[25],[35]  
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 2.50% [9],[24],[28] 2.50% [10],[25],[40]  
PIK Rate 2.50% [9],[24],[26],[28] 2.50% [10],[25],[27],[40]  
Principal $ 914 [3],[9],[24],[28] $ 914 [6],[10],[25],[40]  
Cost 401 [3],[9],[24],[28] 401 [6],[10],[25],[40]  
Fair value 0 [7],[9],[24],[28] $ 235 [8],[10],[25],[40]  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   6.50%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (10)  
Fair value [8],[10],[25],[35],[37]   $ (10)  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.86%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 1,975  
Cost [6],[10],[25],[35]   1,951  
Fair value [8],[10],[25],[35]   $ 1,975  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.86%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 1,397  
Cost [6],[10],[25],[35]   1,362  
Fair value [8],[10],[25],[35]   $ 1,396  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.86%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 4,875  
Cost [6],[10],[25],[35]   4,824  
Fair value [8],[10],[25],[35]   $ 4,875  
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.86%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 2,382  
Cost [6],[10],[25],[35]   2,363  
Fair value [8],[10],[25],[35]   2,382  
Investment, Identifier [Axis]: HPEP 3, L.P. | LP Interests (HPEP 3, L.P.)      
Schedule of Investments [Line Items]      
Fair value $ 4,116 $ 4,472 4,225
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (2717 MH, L.P.)      
Schedule of Investments [Line Items]      
Units (as a percent) 49.26% [21],[46] 49.30% [12],[19],[22],[33],[47]  
Cost $ 1,158 [3],[21],[46] $ 3,345 [6],[12],[19],[22],[33],[47]  
Fair value $ 1,897 [7],[21],[46] $ 8,740 [8],[12],[19],[22],[33],[47] 6,050
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (423 AER II, LP)      
Schedule of Investments [Line Items]      
Units (as a percent) [15],[18],[24],[46] 4.13%    
Cost [3],[15],[18],[24],[46] $ 1,590    
Fair value [7],[15],[18],[24],[46] $ 1,590    
Investment, Identifier [Axis]: Harris Preston Fund Investments | LP Interests (HPEP 3, L.P.)      
Schedule of Investments [Line Items]      
Units (as a percent) 8.22% [15],[18],[23],[46] 8.20% [11],[12],[19],[47]  
Cost $ 1,549 [3],[15],[18],[23],[46] $ 2,296 [6],[11],[12],[19],[47]  
Fair value $ 4,116 [7],[15],[18],[23],[46] $ 4,472 [8],[11],[12],[19],[47]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 56 [24],[32] 56 [25],[33]  
Cost $ 713 [3],[24],[32] $ 713 [6],[25],[33]  
Fair value $ 6,580 [7],[24],[32] $ 5,060 [8],[25],[33]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 56 [24],[44] 56 [25],[45]  
Cost $ 38 [3],[24],[44] $ 38 [6],[25],[45]  
Fair value $ 350 [7],[24],[44] $ 270 [8],[25],[45]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.98% [20],[24] 10.73% [25],[35]  
Spread (as a percent) 6.00% [20],[24],[30] 6.00% [25],[35],[36]  
Principal $ 805 [3],[20],[24] $ 661 [6],[25],[35]  
Cost 805 [3],[20],[24] 661 [6],[25],[35]  
Fair value $ 805 [7],[20],[24] $ 661 [8],[25],[35]  
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.00% [24] 12.50% [25]  
Principal $ 9,744 [3],[24] $ 9,744 [6],[25]  
Cost 9,744 [3],[24] 9,721 [6],[25]  
Fair value $ 9,744 [7],[24] $ 9,744 [8],[25]  
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.32% [9],[20],[24],[34] 9.92% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30],[34] 5.50% [10],[25],[35],[36]  
Principal $ 2,376 [3],[9],[20],[24],[34] $ 1,215 [6],[10],[25],[35]  
Cost 2,359 [3],[9],[20],[24],[34] 1,192 [6],[10],[25],[35]  
Fair value $ 2,348 [7],[9],[20],[24],[34] $ 1,204 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Hornblower Sub, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.46% [9],[20],[24] 10.11% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 5.50% [10],[25],[35],[36]  
Principal $ 16,300 [3],[9],[20],[24] $ 15,490 [6],[10],[25],[35]  
Cost 16,167 [3],[9],[20],[24] 15,338 [6],[10],[25],[35]  
Fair value $ 16,082 [7],[9],[20],[24] $ 15,338 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Hybrid Promotions, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.24% [9],[20],[24] 13.10% [10],[25],[35]  
Spread (as a percent) 8.25% [9],[20],[24],[30] 8.25% [10],[25],[35],[36]  
Principal $ 8,000 [3],[9],[20],[24] $ 8,000 [6],[10],[25],[35]  
Cost 7,906 [3],[9],[20],[24] 7,859 [6],[10],[25],[35]  
Fair value $ 8,000 [7],[9],[20],[24] $ 8,000 [8],[10],[25],[35]  
Investment, Identifier [Axis]: IG Investor, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 3,600 [23] 3,600 [11]  
Cost $ 3,600 [3],[23] $ 3,600 [6],[11]  
Fair value $ 7,010 [7],[23] $ 4,060 [8],[11] 3,600
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.00% [23] 13.00% [11]  
Principal $ 400 [3],[23] $ 400 [6],[11]  
Cost 385 [3],[23] 379 [6],[11]  
Fair value $ 400 [7],[23] $ 379 [8],[11] (27)
Investment, Identifier [Axis]: IG Investor, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.00% [23] 13.00% [11]  
Principal $ 8,766 [3],[23] $ 8,876 [6],[11]  
Cost 8,636 [3],[23] 8,693 [6],[11]  
Fair value $ 8,766 [7],[23] $ 8,693 [8],[11] 9,069
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.75% [13],[20],[30],[31] 5.75% [14],[25],[35],[36],[37]  
Principal $ 0 [3],[13],[20],[31] $ 0 [6],[14],[25],[35],[37]  
Cost (5) [3],[13],[20],[31] (8) [6],[14],[25],[35],[37]  
Fair value $ 0 [7],[13],[20],[31] $ 0 [8],[14],[25],[35],[37]  
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.57% [13],[20] 10.21% [14],[25],[35]  
Spread (as a percent) 5.75% [13],[20],[30] 5.75% [14],[25],[35],[36]  
Principal $ 6,138 [3],[13],[20] $ 6,154 [6],[14],[25],[35]  
Cost 6,101 [3],[13],[20] 6,102 [6],[14],[25],[35]  
Fair value $ 6,138 [7],[13],[20] $ 6,154 [8],[14],[25],[35]  
Investment, Identifier [Axis]: IG Parent Corporation | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.57% [13],[20] 10.21% [14],[25],[35]  
Spread (as a percent) 5.75% [13],[20],[30] 5.75% [14],[25],[35],[36]  
Principal $ 1,902 [3],[13],[20] $ 1,922 [6],[14],[25],[35]  
Cost 1,891 [3],[13],[20] 1,906 [6],[14],[25],[35]  
Fair value $ 1,902 [7],[13],[20] $ 1,922 [8],[14],[25],[35]  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.15% [20],[24] 13.78% [25],[35]  
Spread (as a percent) 7.00% [20],[24],[30] 9.00% [25],[35],[36]  
Principal $ 295 [3],[20],[24] $ 295 [6],[25],[35]  
Cost 292 [3],[20],[24] 290 [6],[25],[35]  
Fair value $ 295 [7],[20],[24] $ 295 [8],[25],[35]  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.15% [20],[24] 13.78% [25],[35]  
Spread (as a percent) 7.00% [20],[24],[30] 9.00% [25],[35],[36]  
Principal $ 1,328 [3],[20],[24] $ 248 [6],[25],[35]  
Cost 1,317 [3],[20],[24] 245 [6],[25],[35]  
Fair value $ 1,327 [7],[20],[24] $ 248 [8],[25],[35]  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.15% [20],[24] 12.78% [25],[35]  
Spread (as a percent) 7.00% [20],[24],[30] 8.00% [25],[35],[36]  
Principal $ 1,234 [3],[20],[24] $ 1,110 [6],[25],[35]  
Cost 1,130 [3],[20],[24] 937 [6],[25],[35]  
Fair value $ 1,234 [7],[20],[24] $ 1,110 [8],[25],[35]  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 11.15% [20],[24] 14.78% [25],[35]  
Spread (as a percent) 7.00% [20],[24],[30] 10.00% [25],[35],[36]  
Principal $ 1,234 [3],[20],[24] $ 1,110 [6],[25],[35]  
Cost 1,130 [3],[20],[24] 937 [6],[25],[35]  
Fair value $ 1,234 [7],[20],[24] $ 1,110 [8],[25],[35]  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [20],[24] 11.15%    
Spread (as a percent) [20],[24],[30] 7.00%    
Principal [3],[20],[24] $ 443    
Cost [3],[20],[24] 439    
Fair value [7],[20],[24] $ 443    
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 48,327 [24],[42] 48,327 [25],[29]  
Cost $ 523 [3],[24],[42] $ 523 [6],[25],[29]  
Fair value $ 3,810 [7],[24],[42] $ 1,420 [8],[25],[29]  
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 8.84%    
Spread (as a percent) [9],[20],[24],[30] 5.00%    
Principal [3],[9],[20],[24] $ 7,931    
Cost [3],[9],[20],[24] 7,816    
Fair value [7],[9],[20],[24] $ 7,816    
Investment, Identifier [Axis]: Ignite Visibility LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.84%    
Spread (as a percent) [9],[20],[24],[30] 7.00%    
Principal [3],[9],[20],[24] $ 7,931    
Cost [3],[9],[20],[24] 7,816    
Fair value [7],[9],[20],[24] $ 7,816    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 422 [9],[24] 422 [10],[25]  
Cost $ 580 [3],[9],[24] $ 580 [6],[10],[25]  
Fair value $ 540 [7],[9],[24] $ 510 [8],[10],[25]  
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35],[43]   11.39%  
Spread (as a percent) [10],[25],[35],[36],[43]   7.00%  
Principal [6],[10],[25],[35],[43]   $ 791  
Cost [6],[10],[25],[35],[43]   791  
Fair value [8],[10],[25],[35],[43]   $ 791  
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.62%  
Spread (as a percent) [10],[25],[35],[36]   7.00%  
Principal [6],[10],[25],[35]   $ 10,280  
Cost [6],[10],[25],[35]   10,034  
Fair value [8],[10],[25],[35]   $ 10,280  
Investment, Identifier [Axis]: Implus Footcare, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 3,874,040    
Cost [3],[9],[24] $ 5,191    
Fair value [7],[9],[24] $ 4,490    
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   13.73%  
Spread (as a percent) [10],[25],[35],[36]   7.75%  
PIK Rate [10],[25],[27],[35]   1.50%  
Principal [6],[10],[25],[35]   $ 17,066  
Cost [6],[10],[25],[35]   17,066  
Fair value [8],[10],[25],[35]   $ 14,524  
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.68%    
Spread (as a percent) [9],[20],[24],[30] 6.00%    
PIK Rate [9],[20],[24],[26] 4.00%    
Principal [3],[9],[20],[24] $ 1,776    
Cost [3],[9],[20],[24] 1,776    
Fair value [7],[9],[20],[24] $ 1,776    
Investment, Identifier [Axis]: Implus Footcare, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.68%    
Spread (as a percent) [9],[20],[24],[30] 6.00%    
PIK Rate [9],[20],[24],[26] 9.68%    
Principal [3],[9],[20],[24] $ 4,044    
Cost [3],[9],[20],[24] 4,044    
Fair value [7],[9],[20],[24] $ 4,044    
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 6,436,566 [9],[23] 6,436,566 [10],[11]  
Cost $ 6,540 [3],[9],[23] $ 6,540 [6],[10],[11]  
Fair value $ 6,790 [7],[9],[23] $ 7,290 [8],[10],[11] 6,320
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 21,840 [24],[32] 21,840 [25],[33]  
Cost $ 1,092 [3],[24],[32] $ 1,092 [6],[25],[33]  
Fair value $ 2,040 [7],[24],[32] $ 2,310 [8],[25],[33]  
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% [24] 12.00% [25]  
Principal $ 3,825 [3],[24] $ 3,763 [6],[25]  
Cost 3,820 [3],[24] 3,714 [6],[25]  
Fair value $ 3,825 [7],[24] $ 3,763 [8],[25]  
Investment, Identifier [Axis]: Insight Borrower Corporation | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 47,847 [9],[24] 47,847 [10],[25]  
Cost $ 239 [3],[9],[24] $ 239 [6],[10],[25]  
Fair value $ 100 [7],[9],[24] $ 120 [8],[10],[25]  
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.10%    
Spread (as a percent) 6.25% [9],[20],[24],[30] 6.25% [10],[25],[35],[36],[37]  
Principal $ 1,691 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 1,668 [3],[9],[20],[24] (32) [6],[10],[25],[35],[37]  
Fair value $ 1,574 [7],[9],[20],[24] $ (32) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.12%    
Spread (as a percent) 6.25% [9],[20],[24],[30] 6.25% [10],[25],[35],[36],[37]  
Principal $ 16,572 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 16,424 [3],[9],[20],[24] (27) [6],[10],[25],[35],[37]  
Fair value $ 15,424 [7],[9],[20],[24] $ (27) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Insight Borrower Corporation | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.87%  
Spread (as a percent) [10],[25],[35],[36]   6.25%  
Principal [6],[10],[25],[35]   $ 8,289  
Cost [6],[10],[25],[35]   8,100  
Fair value [8],[10],[25],[35]   $ 7,869  
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 137,302 [9],[24] 128,727 [10],[25]  
Cost $ 358 [3],[9],[24] $ 349 [6],[10],[25]  
Fair value $ 75 [7],[9],[24] $ 21 [8],[10],[25]  
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.97% [9],[20],[24],[34] 14.69% [10],[25],[35],[43]  
Spread (as a percent) 10.00% [9],[20],[24],[30],[34] 10.00% [10],[25],[35],[36],[43]  
PIK Rate [9],[20],[24],[26],[34] 2.00%    
Principal $ 733 [3],[9],[20],[24],[34] $ 677 [6],[10],[25],[35],[43]  
Cost 725 [3],[9],[20],[24],[34] 664 [6],[10],[25],[35],[43]  
Fair value $ 691 [7],[9],[20],[24],[34] $ 620 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.97% [9],[20],[24] 14.58% [10],[25],[35]  
Spread (as a percent) 10.00% [9],[20],[24],[30] 10.00% [10],[25],[35],[36]  
PIK Rate [9],[20],[24],[26] 2.00%    
Principal $ 6,260 [3],[9],[20],[24] $ 6,198 [6],[10],[25],[35]  
Cost 6,187 [3],[9],[20],[24] 6,091 [6],[10],[25],[35]  
Fair value $ 5,901 [7],[9],[20],[24] $ 5,681 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 13.97% [9],[20],[24] 14.58% [10],[25],[35]  
Spread (as a percent) 10.00% [9],[20],[24],[30] 10.00% [10],[25],[35],[36]  
PIK Rate [9],[20],[24],[26] 2.00%    
Principal $ 1,261 [3],[9],[20],[24] $ 1,248 [6],[10],[25],[35]  
Cost 1,246 [3],[9],[20],[24] 1,227 [6],[10],[25],[35]  
Fair value $ 1,188 [7],[9],[20],[24] $ 1,144 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 13.97%    
Spread (as a percent) [9],[20],[24],[30] 10.00%    
PIK Rate [9],[20],[24],[26] 2.00%    
Principal [3],[9],[20],[24] $ 291    
Cost [3],[9],[20],[24] 291    
Fair value [7],[9],[20],[24] $ 274    
Investment, Identifier [Axis]: Integral Energy Services | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 11,647 [9],[23] 11,647 [10],[11]  
Cost $ 1,584 [3],[9],[23] $ 1,584 [6],[10],[11]  
Fair value $ 410 [7],[9],[23] $ 640 [8],[10],[11] 190
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[11],[33]   3,725  
Total Rate [10],[11],[33]   10.00%  
PIK Rate [10],[11],[27],[33]   10.00%  
Cost [6],[10],[11],[33]   $ 297  
Fair value   535 [8],[10],[11],[33] 350
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23],[32] 3,725    
Total Rate [9],[23],[32] 10.00%    
PIK Rate [9],[23],[26],[32] 10.00%    
Cost [3],[9],[23],[32] $ 329    
Fair value $ 490 [7],[9],[23],[32] 535  
Investment, Identifier [Axis]: Integral Energy Services | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23] 3,596    
Total Rate [9],[23] 10.00%    
PIK Rate [9],[23],[26] 10.00%    
Cost [3],[9],[23] $ 383    
Fair value $ 480 [7],[9],[23] $ 0  
Investment, Identifier [Axis]: Integral Energy Services | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 11.75% [9],[20],[23] 12.35% [10],[11],[35]  
Spread (as a percent) 7.50% [9],[20],[23],[30] 7.50% [10],[11],[35],[36]  
Principal $ 14,340 [3],[9],[20],[23] $ 15,090 [6],[10],[11],[35]  
Cost 14,299 [3],[9],[20],[23] 14,986 [6],[10],[11],[35]  
Fair value $ 14,071 [7],[9],[20],[23] $ 14,872 [8],[10],[11],[35] 16,232
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,143 [9],[24] 2,143 [10],[25]  
Cost $ 0 [3],[9],[24] $ 0 [6],[10],[25]  
Fair value $ 0 [7],[9],[24] $ 0 [8],[10],[25]  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.92% [9],[24],[34],[48] 14.54% [10],[25],[41],[43]  
Spread (as a percent) 10.00% [9],[24],[30],[34],[48] 10.00% [10],[25],[36],[41],[43]  
PIK Rate 13.92% [9],[24],[26],[34],[48] 14.54% [10],[25],[27],[41],[43]  
Principal $ 2,392 [3],[9],[24],[34],[48] $ 2,075 [6],[10],[25],[41],[43]  
Cost 2,392 [3],[9],[24],[34],[48] 2,075 [6],[10],[25],[41],[43]  
Fair value $ 2,078 [7],[9],[24],[34],[48] $ 1,580 [8],[10],[25],[41],[43]  
Investment, Identifier [Axis]: Interface Security Systems, L.L.C | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.02% [9],[20],[24],[28],[48] 11.67% [10],[25],[35],[40],[41]  
Spread (as a percent) 7.00% [9],[20],[24],[28],[30],[48] 7.00% [10],[25],[35],[36],[40],[41]  
PIK Rate 11.02% [9],[20],[24],[26],[28],[48] 11.67% [10],[25],[27],[35],[40],[41]  
Principal $ 7,334 [3],[9],[20],[24],[28],[48] $ 7,334 [6],[10],[25],[35],[40],[41]  
Cost 7,254 [3],[9],[20],[24],[28],[48] 7,254 [6],[10],[25],[35],[40],[41]  
Fair value $ 1 [7],[9],[20],[24],[28],[48] $ 13 [8],[10],[25],[35],[40],[41]  
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.37% [9],[20],[24],[34] 12.01% [10],[25],[35],[43]  
Spread (as a percent) 7.50% [9],[20],[24],[30],[34] 7.50% [10],[25],[35],[36],[43]  
Principal $ 1,452 [3],[9],[20],[24],[34] $ 1,037 [6],[10],[25],[35],[43]  
Cost 1,445 [3],[9],[20],[24],[34] 1,033 [6],[10],[25],[35],[43]  
Fair value $ 1,319 [7],[9],[20],[24],[34] $ 996 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Invincible Boat Company, LLC. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.37% [9],[20],[24] 12.01% [10],[25],[35]  
Spread (as a percent) 7.50% [9],[20],[24],[30] 7.50% [10],[25],[35],[36]  
PIK Rate [9],[20],[24],[26] 3.37%    
Principal $ 16,804 [3],[9],[20],[24] $ 16,771 [6],[10],[25],[35]  
Cost 16,765 [3],[9],[20],[24] 16,704 [6],[10],[25],[35]  
Fair value $ 15,247 [7],[9],[20],[24] $ 16,098 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 50,753 [24] 50,753 [25]  
Cost $ 689 [3],[24] $ 689 [6],[25]  
Fair value $ 680 [7],[24] $ 710 [8],[25]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [25]   177,800  
Total Rate [25]   25.00%  
PIK Rate [25],[27]   25.00%  
Cost [6],[25]   $ 178  
Fair value [8],[25]   $ 190  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) [24] 178    
Total Rate [24] 25.00%    
PIK Rate [24],[26] 25.00%    
Cost [3],[24] $ 178    
Fair value [7],[24] $ 260    
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Preferred Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) [24] 39    
Total Rate [24] 25.00%    
PIK Rate [24],[26] 25.00%    
Cost [3],[24] $ 39    
Fair value [7],[24] $ 39    
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 13.00% [25]  
Principal $ 1,128 [3],[24] $ 1,128 [6],[25]  
Cost 1,118 [3],[24] 1,113 [6],[25]  
Fair value $ 1,118 [7],[24] $ 1,113 [8],[25]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 13.00% [25]  
Principal $ 735 [3],[24] $ 735 [6],[25]  
Cost 728 [3],[24] 725 [6],[25]  
Fair value $ 728 [7],[24] $ 725 [8],[25]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 13.00% [25]  
Principal $ 2,236 [3],[24] $ 2,236 [6],[25]  
Cost 2,236 [3],[24] 2,236 [6],[25]  
Fair value $ 2,236 [7],[24] $ 2,236 [8],[25]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 13.00% [25]  
Principal $ 4,406 [3],[24] $ 4,406 [6],[25]  
Cost 4,364 [3],[24] 4,344 [6],[25]  
Fair value $ 4,364 [7],[24] $ 4,344 [8],[25]  
Investment, Identifier [Axis]: Iron-Main Investments, LLC | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate 13.00% [24] 13.00% [25]  
Principal $ 2,389 [3],[24] $ 2,461 [6],[25]  
Cost 2,335 [3],[24] 2,379 [6],[25]  
Fair value $ 2,335 [7],[24] $ 2,379 [8],[25]  
Investment, Identifier [Axis]: Isagenix International, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 186,322 [13],[24] 186,322 [14],[25]  
Cost $ 0 [3],[13],[24] $ 0 [6],[14],[25]  
Fair value $ 0 [7],[13],[24] $ 0 [8],[14],[25]  
Investment, Identifier [Axis]: Isagenix International, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 2.50% [13],[20],[24],[54] 11.25% [14],[25],[35]  
Spread (as a percent) [14],[25],[35],[36]   6.60%  
PIK Rate [14],[25],[27],[35]   8.75%  
Principal $ 2,962 [3],[13],[20],[24],[54] $ 2,962 [6],[14],[25],[35]  
Cost 2,831 [3],[13],[20],[24],[54] 2,778 [6],[14],[25],[35]  
Fair value $ 429 [7],[13],[20],[24],[54] $ 622 [8],[14],[25],[35]  
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 11.25%    
Spread (as a percent) 7.00% [9],[20],[24],[30] 6.50% [10],[25],[35],[36],[37]  
Principal $ 456 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 452 [3],[9],[20],[24] (5) [6],[10],[25],[35],[37]  
Fair value $ 443 [7],[9],[20],[24] $ (5) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.25% [9],[20],[24],[53] 10.35% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30],[53] 5.50% [10],[25],[35],[36]  
Principal $ 2,111 [3],[9],[20],[24],[53] $ 1,735 [6],[10],[25],[35]  
Cost 2,084 [3],[9],[20],[24],[53] 1,708 [6],[10],[25],[35]  
Fair value $ 2,048 [7],[9],[20],[24],[53] $ 1,722 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.25% [9],[20],[24],[53] 11.35% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30],[53] 6.50% [10],[25],[35],[36]  
Principal $ 2,111 [3],[9],[20],[24],[53] $ 1,735 [6],[10],[25],[35]  
Cost 2,084 [3],[9],[20],[24],[53] 1,708 [6],[10],[25],[35]  
Fair value $ 2,048 [7],[9],[20],[24],[53] $ 1,722 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Island Pump and Tank, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 12.25% [9],[20],[24],[53] 12.35% [10],[25],[35]  
Spread (as a percent) 8.00% [9],[20],[24],[30],[53] 7.50% [10],[25],[35],[36]  
Principal $ 2,111 [3],[9],[20],[24],[53] $ 1,735 [6],[10],[25],[35]  
Cost 2,084 [3],[9],[20],[24],[53] 1,708 [6],[10],[25],[35]  
Fair value $ 2,048 [7],[9],[20],[24],[53] $ 1,722 [8],[10],[25],[35]  
Investment, Identifier [Axis]: JDC Power Services, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   6.50%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (47)  
Fair value [8],[10],[25],[35],[37]   $ (47)  
Investment, Identifier [Axis]: JDC Power Services, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.83%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 17,671  
Cost [6],[10],[25],[35]   17,277  
Fair value [8],[10],[25],[35]   $ 17,489  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   140,351  
Cost [6],[10],[25]   $ 140  
Fair value [8],[10],[25]   $ 30  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 1      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 140,351    
Cost [3],[9],[24] $ 140    
Fair value [7],[9],[24] $ 0    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Common Equity 2      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 70,000    
Cost [3],[9],[24] $ 70    
Fair value [7],[9],[24] $ 0    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.13% [9],[20],[24] 12.72% [10],[25],[35],[43]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 8.00% [10],[25],[35],[36],[43]  
Principal $ 526 [3],[9],[20],[24] $ 702 [6],[10],[25],[35],[43]  
Cost 526 [3],[9],[20],[24] 696 [6],[10],[25],[35],[43]  
Fair value $ 526 [7],[9],[20],[24] $ 665 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.13% [9],[20],[24] 12.58% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
PIK Rate [9],[20],[24],[26] 10.13%    
Principal $ 3,043 [3],[9],[20],[24] $ 2,980 [6],[10],[25],[35]  
Cost 3,043 [3],[9],[20],[24] 2,956 [6],[10],[25],[35]  
Fair value $ 3,036 [7],[9],[20],[24] $ 2,823 [8],[10],[25],[35]  
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 15.00% [9],[24],[28] 12.58% [10],[25],[35]  
Spread (as a percent) [10],[25],[35],[36]   8.00%  
PIK Rate [9],[24],[26],[28] 15.00%    
Principal $ 1,404 [3],[9],[24],[28] $ 279 [6],[10],[25],[35]  
Cost 517 [3],[9],[24],[28] 273 [6],[10],[25],[35]  
Fair value $ 78 [7],[9],[24],[28] $ 265 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 5,653,333 [9],[24] 5,653,333 [10],[25]  
Cost $ 216 [3],[9],[24] $ 216 [6],[10],[25]  
Fair value $ 1,500 [7],[9],[24] $ 1,740 [8],[10],[25]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.01% [9],[20],[24],[53] 12.18% [10],[25],[35],[55]  
Spread (as a percent) 7.00% [9],[20],[24],[30],[53] 7.50% [10],[25],[35],[36],[55]  
Principal $ 1,501 [3],[9],[20],[24],[53] $ 1,585 [6],[10],[25],[35],[55]  
Cost 1,493 [3],[9],[20],[24],[53] 1,567 [6],[10],[25],[35],[55]  
Fair value $ 1,501 [7],[9],[20],[24],[53] $ 1,585 [8],[10],[25],[35],[55]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.23% [9],[20],[24],[53] 12.19% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30],[53] 7.50% [10],[25],[35],[36]  
Principal $ 1,251 [3],[9],[20],[24],[53] $ 1,251 [6],[10],[25],[35]  
Cost 1,244 [3],[9],[20],[24],[53] 1,236 [6],[10],[25],[35]  
Fair value $ 1,251 [7],[9],[20],[24],[53] $ 1,251 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 11.11% [9],[20],[24],[53] 12.18% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30],[53] 7.50% [10],[25],[35],[36]  
Principal $ 1,333 [3],[9],[20],[24],[53] $ 121 [6],[10],[25],[35]  
Cost 1,316 [3],[9],[20],[24],[53] 96 [6],[10],[25],[35]  
Fair value $ 1,333 [7],[9],[20],[24],[53] $ 121 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Jackmont Hospitality, Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 10.84% [9],[20],[24] 12.18% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 7.50% [10],[25],[35],[36]  
Principal $ 3,475 [3],[9],[20],[24] $ 3,685 [6],[10],[25],[35]  
Cost 3,456 [3],[9],[20],[24] 3,643 [6],[10],[25],[35]  
Fair value $ 3,476 [7],[9],[20],[24] $ 3,685 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [13],[24] 4,535,784    
Cost [3],[13],[24] $ 166    
Fair value [7],[13],[24] $ 290    
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Common Stock 1      
Schedule of Investments [Line Items]      
Units (in shares) [14],[25]   392,514  
Cost [6],[14],[25]   $ 3,678  
Fair value [8],[14],[25]   $ 0  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Common Stock 2      
Schedule of Investments [Line Items]      
Units (in shares) [14],[25]   4,535,784  
Cost [6],[14],[25]   $ 166  
Fair value [8],[14],[25]   $ 110  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.94% [13],[20],[24] 21.59% [14],[25],[35],[40],[41]  
Spread (as a percent) 8.00% [13],[20],[24],[30] 16.00% [14],[25],[35],[36],[40],[41]  
PIK Rate [14],[25],[27],[35],[40],[41]   21.59%  
Principal $ 1,523 [3],[13],[20],[24] $ 942 [6],[14],[25],[35],[40],[41]  
Cost 1,523 [3],[13],[20],[24] 942 [6],[14],[25],[35],[40],[41]  
Fair value $ 1,523 [7],[13],[20],[24] $ 0 [8],[14],[25],[35],[40],[41]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.94% [13],[20],[24] 21.59% [14],[25],[35],[40],[41]  
Spread (as a percent) 8.00% [13],[20],[24],[30] 16.00% [14],[25],[35],[36],[40],[41]  
PIK Rate [14],[25],[27],[35],[40],[41]   21.59%  
Principal $ 1,137 [3],[13],[20],[24] $ 906 [6],[14],[25],[35],[40],[41]  
Cost 1,137 [3],[13],[20],[24] 906 [6],[14],[25],[35],[40],[41]  
Fair value $ 1,137 [7],[13],[20],[24] $ 0 [8],[14],[25],[35],[40],[41]  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [14],[25],[35]   13.21%  
Spread (as a percent) [14],[25],[35],[36]   8.75%  
PIK Rate [14],[25],[27],[35]   6.00%  
Principal [6],[14],[25],[35]   $ 1,470  
Cost [6],[14],[25],[35]   1,470  
Fair value [8],[14],[25],[35]   $ 1,470  
Investment, Identifier [Axis]: Joerns Healthcare, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [14],[25],[35]   13.18%  
Spread (as a percent) [14],[25],[35],[36]   8.75%  
PIK Rate [14],[25],[27],[35]   13.18%  
Principal [6],[14],[25],[35]   $ 1,091  
Cost [6],[14],[25],[35]   1,091  
Fair value [8],[14],[25],[35]   $ 1,091  
Investment, Identifier [Axis]: JorVet Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 12,214 [24],[32] 12,214 [25],[33]  
Cost $ 1,221 [3],[24],[32] $ 1,221 [6],[25],[33]  
Fair value $ 1,220 [7],[24],[32] $ 1,460 [8],[25],[33]  
Investment, Identifier [Axis]: JorVet Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% [24] 12.00% [25]  
Principal $ 2,591 [3],[24] $ 2,591 [6],[25]  
Cost 2,578 [3],[24] 2,568 [6],[25]  
Fair value $ 2,578 [7],[24] 2,568 [8],[25]  
Investment, Identifier [Axis]: KMS, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23] 11,516    
Cost [3],[9],[23] $ 6,113    
Fair value $ 7,830 [7],[9],[23] $ 0  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35],[40]   14.50%  
Spread (as a percent) 5.50% [9],[20],[23],[30],[31] 9.75% [10],[25],[35],[36],[40]  
Principal $ 0 [3],[9],[20],[23],[31] $ 1,286 [6],[10],[25],[35],[40]  
Cost (49) [3],[9],[20],[23],[31] 1,238 [6],[10],[25],[35],[40]  
Fair value $ (49) [7],[9],[20],[23],[31] 829 [8],[10],[25],[35],[40]  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 1.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75%    
Fair value $ 0 $ 829  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% [9],[23] 14.23% [10],[25],[35]  
Spread (as a percent) [10],[25],[35],[36]   9.75%  
PIK Rate [10],[25],[27],[35]   14.23%  
Principal $ 1,463 [3],[9],[23] $ 562 [6],[10],[25],[35]  
Cost 1,433 [3],[9],[23] 562 [6],[10],[25],[35]  
Fair value $ 1,433 [7],[9],[23] 562 [8],[10],[25],[35]  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75%    
Fair value $ 0 $ 5,973  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.50% [9],[23] 14.23% [10],[25],[35]  
Spread (as a percent) [10],[25],[35],[36]   9.75%  
PIK Rate [10],[25],[27],[35]   14.23%  
Principal $ 1,259 [3],[9],[23] $ 550 [6],[10],[25],[35]  
Cost 1,259 [3],[9],[23] 550 [6],[10],[25],[35]  
Fair value $ 1,259 [7],[9],[23] 550 [8],[10],[25],[35]  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 3.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75%    
Fair value $ 0 $ 562  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35],[40]   14.50%  
Spread (as a percent) [10],[25],[35],[36],[40]   9.75%  
Principal [6],[10],[25],[35],[40]   $ 9,262  
Cost [6],[10],[25],[35],[40]   9,175  
Fair value [8],[10],[25],[35],[40]   5,973  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 4.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75%    
Fair value $ 0 550  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 5.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 9.75%    
Fair value $ 0 0  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 6.1      
Schedule of Investments [Line Items]      
Total Rate 12.50%    
Fair value $ 1,433 0  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 7.1      
Schedule of Investments [Line Items]      
Total Rate 12.50%    
Fair value $ 1,259 0  
Investment, Identifier [Axis]: KMS, LLC | Secured Debt 8.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50%    
Fair value $ (49) $ 0  
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 200 [23],[32],[44] 200 [11],[33],[45]  
Cost $ 248 [3],[23],[32],[44] $ 248 [6],[11],[33],[45]  
Fair value $ 1,048 [7],[23],[32],[44] $ 678 [8],[11],[33],[45] 683
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 145 [23],[32] 145 [11]  
Cost $ 3,060 [3],[23],[32] $ 3,060 [6],[11]  
Fair value $ 4,290 [7],[23],[32] $ 3,060 [8],[11] 2,420
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.50% [23] 11.50% [11]  
Principal $ 2,550 [3],[23] $ 3,750 [6],[11]  
Cost 2,547 [3],[23] 3,741 [6],[11]  
Fair value $ 2,547 [7],[23] $ 3,741 [8],[11] 4,933
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.00% [23] 9.00% [11]  
Principal $ 978 [3],[23] $ 990 [6],[11]  
Cost 970 [3],[23] 982 [6],[11]  
Fair value $ 970 [7],[23] $ 982 [8],[11] 951
Investment, Identifier [Axis]: LL Management, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.89%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
Principal [6],[10],[25],[35]   $ 701  
Cost [6],[10],[25],[35]   701  
Fair value [8],[10],[25],[35]   $ 701  
Investment, Identifier [Axis]: LL Management, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.92%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
Principal [6],[10],[25],[35]   $ 7,850  
Cost [6],[10],[25],[35]   7,791  
Fair value [8],[10],[25],[35]   $ 7,850  
Investment, Identifier [Axis]: LL Management, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.71%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
Principal [6],[10],[25],[35]   $ 5,181  
Cost [6],[10],[25],[35]   5,141  
Fair value [8],[10],[25],[35]   $ 5,181  
Investment, Identifier [Axis]: LL Management, Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.92%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
Principal [6],[10],[25],[35]   $ 860  
Cost [6],[10],[25],[35]   854  
Fair value [8],[10],[25],[35]   $ 860  
Investment, Identifier [Axis]: LL Management, Inc. | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.71%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
Principal [6],[10],[25],[35]   $ 8,716  
Cost [6],[10],[25],[35]   8,647  
Fair value [8],[10],[25],[35]   $ 8,716  
Investment, Identifier [Axis]: LLFlex, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.14% [9],[20],[24] 12.74% [10],[25],[35]  
Spread (as a percent) 8.00% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
PIK Rate 3.00% [9],[20],[24],[26] 3.00% [10],[25],[27],[35]  
Principal $ 4,696 [3],[9],[20],[24] $ 4,592 [6],[10],[25],[35]  
Cost 4,683 [3],[9],[20],[24] 4,560 [6],[10],[25],[35]  
Fair value $ 3,698 [7],[9],[20],[24] $ 3,684 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Lightbox Holdings, L.P. | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [14],[25]   9.44%  
Spread (as a percent) [14],[25],[36]   5.00%  
Principal [6],[14],[25]   $ 5,705  
Cost [6],[14],[25]   5,688  
Fair value [8],[14],[25]   $ 5,534  
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35],[41]   12.25%  
Spread (as a percent) [10],[25],[35],[36],[41]   4.25%  
Principal [6],[10],[25],[35],[41]   $ 11,552  
Cost [6],[10],[25],[35],[41]   11,552  
Fair value [8],[10],[25],[35],[41]   9,191  
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 11.41%    
Spread (as a percent) [9],[20],[24],[30] 7.50%    
PIK Rate [9],[20],[24],[26] 2.75%    
Principal [3],[9],[20],[24] $ 20,551    
Cost [3],[9],[20],[24] 20,233    
Fair value [7],[9],[20],[24] 20,551    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Principal [3],[9],[24] 1,380    
Cost [3],[9],[24] 1,065    
Fair value [7],[9],[24] $ 1,027    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[15],[16],[24] 863,506    
Cost [3],[9],[15],[16],[24] $ 619    
Fair value [7],[9],[15],[16],[24] $ 619    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 9.36%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 5.50%    
Principal [3],[9],[15],[16],[20],[24] $ 3,310    
Cost [3],[9],[15],[16],[20],[24] 3,250    
Fair value [7],[9],[15],[16],[20],[24] $ 3,250    
Investment, Identifier [Axis]: MCT Purchaserco Holding Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 9.29%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 5.50%    
Principal [3],[9],[15],[16],[20],[24] $ 21,587    
Cost [3],[9],[15],[16],[20],[24] 21,375    
Fair value [7],[9],[15],[16],[20],[24] $ 21,375    
Investment, Identifier [Axis]: MH Corbin Holding LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Fair value   0 80
Investment, Identifier [Axis]: MH Corbin Holding LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Fair value   0 0
Investment, Identifier [Axis]: MH Corbin Holding LLC | Secured Debt      
Schedule of Investments [Line Items]      
Fair value   $ 0 1,256
Investment, Identifier [Axis]: Mako Steel, LP | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   7.50%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (19)  
Fair value [8],[10],[25],[35],[37]   $ 0  
Investment, Identifier [Axis]: Mako Steel, LP | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   12.00%  
Spread (as a percent) [10],[25],[35],[36]   7.50%  
Principal [6],[10],[25],[35]   $ 21,081  
Cost [6],[10],[25],[35]   20,910  
Fair value [8],[10],[25],[35]   $ 21,081  
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 112,865 [24],[32] 112,865 [25]  
Cost $ 113 [3],[24],[32] $ 113 [6],[25]  
Fair value $ 720 [7],[24],[32] $ 500 [8],[25]  
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 434,331 [24],[32] 434,331 [25],[33]  
Total Rate 8.00% [24],[32] 8.00% [25],[33]  
PIK Rate 8.00% [24],[26],[32] 8.00% [25],[27],[33]  
Cost $ 434 [3],[24],[32] $ 434 [6],[25],[33]  
Fair value 434 [7],[24],[32] 470 [8],[25],[33]  
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[24],[31],[48] 0 [6],[25],[37]  
Cost 0 [3],[24],[31],[48] 0 [6],[25],[37]  
Fair value $ 0 [7],[24],[31],[48] $ 0 [8],[25],[37]  
Investment, Identifier [Axis]: Metalforming Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 8.75% [24] 9.75% [25]  
Principal $ 1,266 [3],[24] $ 1,539 [6],[25]  
Cost 1,252 [3],[24] 1,513 [6],[25]  
Fair value $ 1,266 [7],[24] $ 1,513 [8],[25]  
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [9],[20],[24],[30],[31] 5.75% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (3) [3],[9],[20],[24],[31] (5) [6],[10],[25],[35],[37]  
Fair value $ (3) [7],[9],[20],[24],[31] $ (5) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.32% [9],[20],[24] 10.22% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 5.75% [10],[25],[35],[36]  
Principal $ 1,328 [3],[9],[20],[24] $ 1,342 [6],[10],[25],[35]  
Cost 1,316 [3],[9],[20],[24] 1,323 [6],[10],[25],[35]  
Fair value $ 1,328 [7],[9],[20],[24] $ 1,342 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Microbe Formulas, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.32% [9],[20],[24] 10.21% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 5.75% [10],[25],[35],[36]  
Principal $ 1,673 [3],[9],[20],[24] $ 2,389 [6],[10],[25],[35]  
Cost 1,659 [3],[9],[20],[24] 2,361 [6],[10],[25],[35]  
Fair value $ 1,673 [7],[9],[20],[24] $ 2,389 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[11],[45]   53,505  
Cost [6],[10],[11],[45]   $ 11,166  
Fair value   11,166 [8],[10],[11],[45] 0
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[23],[32],[44] 53,505    
Cost [3],[9],[23],[32],[44] $ 12,058    
Fair value $ 10,134 [7],[9],[23],[32],[44] $ 11,166  
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent)   7.00%  
Fair value   $ 0 17,524
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[23] 9.81%    
Spread (as a percent) [9],[20],[23],[30] 5.50%    
PIK Rate [9],[20],[23],[26] 9.81%    
Principal [3],[9],[20],[23] $ 2,342    
Cost [3],[9],[20],[23] 2,342    
Fair value $ 2,256 [7],[9],[20],[23] 0  
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[23] 9.32%    
Spread (as a percent) [9],[20],[23],[30] 5.50%    
PIK Rate [9],[20],[23],[26] 9.32%    
Principal [3],[9],[20],[23] $ 1,395    
Cost [3],[9],[20],[23] 1,395    
Fair value $ 1,344 [7],[9],[20],[23] $ 0  
Investment, Identifier [Axis]: Mini Melts of America, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 342,574 [9],[24] 336,496 [10],[25]  
Cost $ 343 [3],[9],[24] $ 336 [6],[10],[25]  
Fair value $ 190 [7],[9],[24] $ 280 [8],[10],[25]  
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.06% [9],[20],[24],[34] 10.74% [10],[25],[35],[43]  
Spread (as a percent) 6.25% [9],[20],[24],[30],[34] 6.25% [10],[25],[35],[36],[43]  
Principal $ 930 [3],[9],[20],[24],[34] $ 375 [6],[10],[25],[35],[43]  
Cost 913 [3],[9],[20],[24],[34] 353 [6],[10],[25],[35],[43]  
Fair value $ 888 [7],[9],[20],[24],[34] $ 375 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.05% [9],[20],[24],[53] 10.77% [10],[25],[35],[55]  
Spread (as a percent) 6.25% [9],[20],[24],[30],[53] 6.25% [10],[25],[35],[36],[55]  
Principal $ 852 [3],[9],[20],[24],[53] $ 858 [6],[10],[25],[35],[55]  
Cost 839 [3],[9],[20],[24],[53] 841 [6],[10],[25],[35],[55]  
Fair value $ 813 [7],[9],[20],[24],[53] $ 858 [8],[10],[25],[35],[55]  
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.07% [9],[20],[24] 9.76% [10],[25],[35]  
Spread (as a percent) 5.25% [9],[20],[24],[30] 5.25% [10],[25],[35],[36]  
Principal $ 3,154 [3],[9],[20],[24] $ 3,201 [6],[10],[25],[35]  
Cost 3,110 [3],[9],[20],[24] 3,140 [6],[10],[25],[35]  
Fair value $ 3,012 [7],[9],[20],[24] $ 3,201 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Mini Melts of America, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 11.07% [9],[20],[24] 11.76% [10],[25],[35]  
Spread (as a percent) 7.25% [9],[20],[24],[30] 7.25% [10],[25],[35],[36]  
Principal $ 3,154 [3],[9],[20],[24] $ 3,201 [6],[10],[25],[35]  
Cost 3,108 [3],[9],[20],[24] 3,138 [6],[10],[25],[35]  
Fair value $ 3,000 [7],[9],[20],[24] $ 3,201 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Mission Critical Group | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 532    
Cost [3],[9],[24] $ 532    
Fair value [7],[9],[24] $ 6,690    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.50%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (55)    
Fair value [7],[9],[20],[24],[31] $ (55)    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.33%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 4,100    
Cost [3],[9],[20],[24] 3,996    
Fair value [7],[9],[20],[24] $ 4,100    
Investment, Identifier [Axis]: Mission Critical Group | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.23%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 18,438    
Cost [3],[9],[20],[24] 18,123    
Fair value [7],[9],[20],[24] $ 18,438    
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 40,821 [24],[32] 40,821 [25],[33]  
Total Rate 12.00% [24],[32] 12.00% [25],[33]  
PIK Rate 12.00% [24],[26],[32] 12.00% [25],[27],[33]  
Cost $ 481 [3],[24],[32] $ 427 [6],[25],[33]  
Fair value $ 530 [7],[24],[32] $ 427 [8],[25],[33]  
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.00% [24] 14.00% [25]  
Principal $ 2,040 [3],[24] $ 2,400 [6],[25]  
Cost 1,891 [3],[24] 2,197 [6],[25]  
Fair value $ 1,891 [7],[24] $ 2,197 [8],[25]  
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC | Warrants      
Schedule of Investments [Line Items]      
Units (in shares) 14,842 [24],[42] 14,842 [25],[29]  
Cost $ 148 [3],[24],[42] $ 148 [6],[25],[29]  
Fair value $ 200 [7],[24],[42] $ 148 [8],[25],[29]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 30,699,450 [9],[15],[16],[24] 12,798,820 [10],[12],[17],[25]  
Cost $ 331 [3],[9],[15],[16],[24] $ 256 [6],[10],[12],[17],[25]  
Fair value $ 204 [7],[9],[15],[16],[24] $ 226 [8],[10],[12],[17],[25]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.18% [9],[15],[16],[20],[24] 11.59% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.25% [9],[15],[16],[20],[24],[30] 7.00% [10],[12],[17],[25],[35],[36]  
Principal $ 1,181 [3],[9],[15],[16],[20],[24] $ 1,181 [6],[10],[12],[17],[25],[35]  
Cost 1,175 [3],[9],[15],[16],[20],[24] 1,171 [6],[10],[12],[17],[25],[35]  
Fair value $ 1,272 [7],[9],[15],[16],[20],[24] $ 1,125 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.18% [9],[15],[16],[20],[24] 11.59% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.25% [9],[15],[16],[20],[24],[30] 7.00% [10],[12],[17],[25],[35],[36]  
Principal $ 3,048 [3],[9],[15],[16],[20],[24] $ 3,071 [6],[10],[12],[17],[25],[35]  
Cost 3,031 [3],[9],[15],[16],[20],[24] 3,042 [6],[10],[12],[17],[25],[35]  
Fair value $ 3,544 [7],[9],[15],[16],[20],[24] $ 3,160 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.18% [9],[15],[16],[20],[24] 11.59% [10],[12],[17],[25],[35]  
Spread (as a percent) 6.25% [9],[15],[16],[20],[24],[30] 7.00% [10],[12],[17],[25],[35],[36]  
Principal $ 5,164 [3],[9],[15],[16],[20],[24] $ 5,213 [6],[10],[12],[17],[25],[35]  
Cost 5,136 [3],[9],[15],[16],[20],[24] 5,166 [6],[10],[12],[17],[25],[35]  
Fair value $ 5,164 [7],[9],[15],[16],[20],[24] $ 5,213 [8],[10],[12],[17],[25],[35]  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[20],[24] 10.18%    
Spread (as a percent) [9],[15],[16],[20],[24],[30] 6.25%    
Principal [3],[9],[15],[16],[20],[24] $ 355    
Cost [3],[9],[15],[16],[20],[24] 350    
Fair value [7],[9],[15],[16],[20],[24] $ 359    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[16],[24] 8.00%    
PIK Rate [9],[15],[16],[24],[26] 8.00%    
Principal [3],[9],[15],[16],[24] $ 23    
Cost [3],[9],[15],[16],[24] 23    
Fair value [7],[9],[15],[16],[24] 23    
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[12],[17],[25]   8.00%  
PIK Rate [10],[12],[17],[25],[27]   8.00%  
Cost [6],[10],[12],[17],[25]   $ 34  
Fair value [8],[10],[12],[17],[25]   $ 34  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[12],[17],[25]   8.00%  
PIK Rate [10],[12],[17],[25],[27]   8.00%  
Cost [6],[10],[12],[17],[25]   $ 15  
Fair value [8],[10],[12],[17],[25]   $ 15  
Investment, Identifier [Axis]: MonitorUS Holding, LLC | Unsecured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[12],[17],[25]   8.00%  
PIK Rate [10],[12],[17],[25],[27]   8.00%  
Cost [6],[10],[12],[17],[25]   $ 31  
Fair value [8],[10],[12],[17],[25]   $ 31  
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [11],[33]   1,468  
Cost [6],[11],[33]   $ 680  
Fair value 0 6,590 [8],[11],[33] 6,598
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [6],[11],[37]   0  
Cost [6],[11],[37]   0  
Fair value 0 $ 0 [8],[11],[37] 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [11]   10.00%  
Principal [6],[11]   $ 1,436  
Cost [6],[11]   1,433  
Fair value $ 0 $ 1,436 [8],[11] 1,436
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [11],[33]   91,145  
Cost [6],[11],[33]   $ 3,030  
Fair value   3,890 [8],[11],[33] 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [23],[32] 84,201    
Cost [3],[23],[32] $ 2,799    
Fair value $ 5,830 [7],[23],[32] $ 3,890  
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate [23] 12.50%    
Principal [3],[23] $ 8,018    
Cost [3],[23] 7,862    
Fair value [7],[23] $ 8,018    
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.50% 6.50% [11],[35],[36],[37]  
Principal [6],[11],[35],[37]   $ 0  
Cost [6],[11],[35],[37]   (12)  
Fair value $ 0 $ (12) [8],[11],[35],[37] 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% 13.50% [11]  
Principal [6],[11]   $ 6,800  
Cost [6],[11]   6,619  
Fair value $ 8,018 $ 6,619 [8],[11] 0
Investment, Identifier [Axis]: NexRev LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 25,786,046 [23],[32] 25,786,046 [11],[33]  
Cost $ 2,053 [3],[23],[32] $ 2,053 [6],[11],[33]  
Fair value 3,210 [7],[23],[32] 2,970 [8],[11],[33] 1,590
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [6],[11]   0  
Cost [6],[11]   0  
Fair value 0 $ 0 [8],[11] 0
Investment, Identifier [Axis]: NexRev LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [11]   9.00%  
Principal [6],[11]   $ 2,453  
Cost [6],[11]   2,450  
Fair value $ 0 $ 2,453 [8],[11] 2,435
Investment, Identifier [Axis]: NinjaTrader, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   6.50%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (3)  
Fair value [8],[10],[25],[35],[37]   $ (3)  
Investment, Identifier [Axis]: NinjaTrader, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.24%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 14,436  
Cost [6],[10],[25],[35]   14,320  
Fair value [8],[10],[25],[35]   $ 14,436  
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 600 [23] 600 [11]  
Cost $ 696 [3],[23] $ 696 [6],[11]  
Fair value 1,530 [7],[23] 1,500 [8],[11]  
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 1.1      
Schedule of Investments [Line Items]      
Fair value $ 3,050 $ 2,890 2,310
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 122 [23] 122 [11]  
Cost $ 2,966 [3],[23] $ 2,966 [6],[11]  
Fair value 3,050 [7],[23] 2,890 [8],[11]  
Investment, Identifier [Axis]: NuStep, LLC | Preferred Member Units 2.1      
Schedule of Investments [Line Items]      
Fair value $ 1,530 $ 1,500 1,290
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.48% [20],[23],[48] 11.16% [11],[35]  
Spread (as a percent) 6.50% [20],[23],[30],[48] 6.50% [11],[35],[36]  
Principal $ 250 [3],[20],[23],[48] $ 900 [6],[11],[35]  
Cost 250 [3],[20],[23],[48] 900 [6],[11],[35]  
Fair value $ 250 [7],[20],[23],[48] $ 900 [8],[11],[35] 899
Investment, Identifier [Axis]: NuStep, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% [23],[48] 12.00% [11]  
Principal $ 4,610 [3],[23],[48] $ 4,610 [6],[11]  
Cost 4,610 [3],[23],[48] 4,610 [6],[11]  
Fair value $ 4,610 [7],[23],[48] $ 4,610 [8],[11] 4,606
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.25% [9],[20],[24],[30],[31] 7.50% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (10) [3],[9],[20],[24],[31] (14) [6],[10],[25],[35],[37]  
Fair value $ (10) [7],[9],[20],[24],[31] $ (14) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.09% [9],[20],[24] 11.97% [10],[25],[35]  
Spread (as a percent) 7.25% [9],[20],[24],[30] 7.50% [10],[25],[35],[36]  
Principal $ 11,859 [3],[9],[20],[24] $ 11,979 [6],[10],[25],[35]  
Cost 11,614 [3],[9],[20],[24] 11,661 [6],[10],[25],[35]  
Fair value $ 11,859 [7],[9],[20],[24] $ 11,766 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Obra Capital, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 11.09%    
Spread (as a percent) [9],[20],[24],[30] 7.25%    
Principal [3],[9],[20],[24] $ 1,349    
Cost [3],[9],[20],[24] 1,314    
Fair value [7],[9],[20],[24] $ 1,349    
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.42% [9],[20],[24] 11.35% [10],[25],[35]  
Spread (as a percent) 5.75% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 1,040 [3],[9],[20],[24] $ 1,050 [6],[10],[25],[35]  
Cost 1,033 [3],[9],[20],[24] 1,040 [6],[10],[25],[35]  
Fair value $ 1,039 [7],[9],[20],[24] $ 1,040 [8],[10],[25],[35]  
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.42% [9],[20],[24] 11.33% [10],[25],[35]  
Spread (as a percent) 5.75% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 2,888 [3],[9],[20],[24] $ 2,910 [6],[10],[25],[35]  
Cost 2,866 [3],[9],[20],[24] 2,888 [6],[10],[25],[35]  
Fair value $ 2,888 [7],[9],[20],[24] $ 2,888 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Oneliance, LLC | Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 282 [23],[32] 282 [11]  
Cost $ 282 [3],[23],[32] $ 282 [6],[11]  
Fair value $ 810 [7],[23],[32] $ 640 [8],[11] 282
Investment, Identifier [Axis]: Oneliance, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Spread (as a percent)   10.00%  
Fair value   $ 0 1,339
Investment, Identifier [Axis]: Orttech Holdings, LLC | Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) 2,500 [23],[44] 2,500 [11],[33],[45]  
Cost $ 2,500 [3],[23],[44] $ 2,500 [6],[11],[33],[45]  
Fair value $ 3,360 [7],[23],[44] $ 3,360 [8],[11],[33],[45] 4,260
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [20],[23] 14.98%    
Spread (as a percent) 11.00% [20],[23],[30] 11.00% [11],[35],[36],[37]  
Principal $ 153 [3],[20],[23] $ 0 [6],[11],[35],[37]  
Cost 150 [3],[20],[23] (1) [6],[11],[35],[37]  
Fair value $ 153 [7],[20],[23] $ 0 [8],[11],[35],[37] 0
Investment, Identifier [Axis]: Orttech Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 14.98% [20],[23] 15.66% [11],[35]  
Spread (as a percent) 11.00% [20],[23],[30] 11.00% [11],[35],[36]  
Principal $ 5,190 [3],[20],[23] $ 5,490 [6],[11],[35]  
Cost 5,178 [3],[20],[23] 5,456 [6],[11],[35]  
Fair value 5,190 [7],[20],[23] 5,490 [8],[11],[35] 5,510
Investment, Identifier [Axis]: Other Amounts related to investments transferred toor from other1940 Act classification during the period      
Schedule of Investments [Line Items]      
Fair value 0 (7,914)  
Investment, Identifier [Axis]: Other Amounts related to investments transferred toor from other1940 Act classification during the period 1      
Schedule of Investments [Line Items]      
Fair value   0 (36,978)
Investment, Identifier [Axis]: OtherAmounts related toinvestments transferred toor from other1940 Act classificationduring the period | Common Stock      
Schedule of Investments [Line Items]      
Fair value $ 0 $ 0 0
Investment, Identifier [Axis]: PTL US Bidco, Inc | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[12],[17],[25],[35]   13.03%  
Spread (as a percent) [10],[12],[17],[25],[35],[36]   8.25%  
Principal [6],[10],[12],[17],[25],[35]   $ 448  
Cost [6],[10],[12],[17],[25],[35]   441  
Fair value [8],[10],[12],[17],[25],[35]   $ 443  
Investment, Identifier [Axis]: PTL US Bidco, Inc | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[12],[17],[25],[35]   13.03%  
Spread (as a percent) [10],[12],[17],[25],[35],[36]   8.25%  
Principal [6],[10],[12],[17],[25],[35]   $ 1,167  
Cost [6],[10],[12],[17],[25],[35]   1,153  
Fair value [8],[10],[12],[17],[25],[35]   $ 1,155  
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent)   11.75%  
Investment, Identifier [Axis]: Peaches Holding Corporation | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 806 [24] 806 [25]  
Cost $ 1,805 [3],[24] $ 1,805 [6],[25]  
Fair value $ 0 [7],[24] $ 1,140 [8],[25]  
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 110 [23],[32] 110 [11],[33]  
Cost $ 3,135 [3],[23],[32] $ 3,135 [6],[11],[33]  
Fair value 5,110 [7],[23],[32] 4,590 [8],[11],[33] 3,135
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost (6) [3],[23],[31] (8) [6],[11],[37]  
Fair value $ 0 [7],[23],[31] $ 0 [8],[11],[37] 105
Investment, Identifier [Axis]: Pinnacle TopCo, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.00% [23] 13.00% [11]  
Principal $ 6,800 [3],[23] $ 7,160 [6],[11]  
Cost 6,699 [3],[23] 7,019 [6],[11]  
Fair value $ 6,800 [7],[23] $ 7,160 [8],[11] 7,472
Investment, Identifier [Axis]: Power System Solutions | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   532  
Cost [6],[10],[25]   $ 532  
Fair value [8],[10],[25]   $ 1,640  
Investment, Identifier [Axis]: Power System Solutions | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   6.50%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (27)  
Fair value [8],[10],[25],[35],[37]   $ (27)  
Investment, Identifier [Axis]: Power System Solutions | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.86%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 2,640  
Cost [6],[10],[25],[35]   2,581  
Fair value [8],[10],[25],[35]   $ 2,640  
Investment, Identifier [Axis]: Power System Solutions | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   10.90%  
Spread (as a percent) [10],[25],[35],[36]   6.50%  
Principal [6],[10],[25],[35]   $ 7,859  
Cost [6],[10],[25],[35]   7,697  
Fair value [8],[10],[25],[35]   $ 7,859  
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.35% [9],[15],[20],[24] 10.58% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[15],[20],[24],[30] 5.50% [10],[25],[35],[36]  
Principal $ 5,850 [3],[9],[15],[20],[24] $ 5,910 [6],[10],[25],[35]  
Cost 5,728 [3],[9],[15],[20],[24] 5,751 [6],[10],[25],[35]  
Fair value $ 5,850 [7],[9],[15],[20],[24] $ 5,910 [8],[10],[25],[35]  
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.17% [9],[15],[20],[24] 9.83% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[15],[20],[24],[30] 5.50% [10],[25],[35],[36]  
Principal $ 559 [3],[9],[15],[20],[24] $ 564 [6],[10],[25],[35]  
Cost 546 [3],[9],[15],[20],[24] 548 [6],[10],[25],[35]  
Fair value $ 559 [7],[9],[15],[20],[24] $ 564 [8],[10],[25],[35]  
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.17% [9],[15],[20],[24] 9.83% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[15],[20],[24],[30] 5.50% [10],[25],[35],[36]  
Principal $ 561 [3],[9],[15],[20],[24] $ 567 [6],[10],[25],[35]  
Cost 552 [3],[9],[15],[20],[24] 555 [6],[10],[25],[35]  
Fair value $ 561 [7],[9],[15],[20],[24] $ 567 [8],[10],[25],[35]  
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 8.92% [9],[15],[20],[24] 9.58% [10],[25],[35]  
Spread (as a percent) 5.25% [9],[15],[20],[24],[30] 5.25% [10],[25],[35],[36]  
Principal $ 638 [3],[9],[15],[20],[24] $ 644 [6],[10],[25],[35]  
Cost 631 [3],[9],[15],[20],[24] 636 [6],[10],[25],[35]  
Fair value $ 638 [7],[9],[15],[20],[24] $ 644 [8],[10],[25],[35]  
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 5      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[20],[24] 9.12%    
Spread (as a percent) [9],[15],[20],[24],[30] 5.25%    
Principal [3],[9],[15],[20],[24] $ 1,414    
Cost [3],[9],[15],[20],[24] 1,403    
Fair value [7],[9],[15],[20],[24] $ 1,414    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 6      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[20],[24] 9.09%    
Spread (as a percent) [9],[15],[20],[24],[30] 5.25%    
Principal [3],[9],[15],[20],[24] $ 1,327    
Cost [3],[9],[15],[20],[24] 1,315    
Fair value [7],[9],[15],[20],[24] $ 1,327    
Investment, Identifier [Axis]: PrimeFlight Aviation Services | Secured Debt 7      
Schedule of Investments [Line Items]      
Total Rate [9],[15],[20],[24] 8.63%    
Spread (as a percent) [9],[15],[20],[24],[30] 4.75%    
Principal [3],[9],[15],[20],[24] $ 1,083    
Cost [3],[9],[15],[20],[24] 1,073    
Fair value [7],[9],[15],[20],[24] $ 1,073    
Investment, Identifier [Axis]: Purge Rite, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   13,021  
Cost [6],[10],[25]   $ 13  
Fair value [8],[10],[25]   $ 820  
Investment, Identifier [Axis]: Purge Rite, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   13,021  
Cost [6],[10],[25]   $ 1,289  
Fair value [8],[10],[25]   $ 1,289  
Investment, Identifier [Axis]: RA Outdoors LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 107 [9],[23] 107 [10],[11],[12]  
Spread (as a percent) [10],[11],[12],[36]   6.75%  
PIK Rate [10],[11],[12],[27]   11.59%  
Cost $ 0 [3],[9],[23] $ 0 [6],[10],[11],[12]  
Fair value $ 0 [7],[9],[23] $ 0 [8],[10],[11],[12] 0
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.89% [9],[20],[23] 11.74% [10],[11],[12],[35]  
Spread (as a percent) 6.75% [9],[20],[23],[30] 6.75% [10],[11],[12],[35],[36]  
PIK Rate 10.89% [9],[20],[23],[26] 11.74% [10],[11],[12],[27],[35]  
Principal $ 1,385 [3],[9],[20],[23] $ 1,311 [6],[10],[11],[12],[35]  
Cost 1,384 [3],[9],[20],[23] 1,307 [6],[10],[11],[12],[35]  
Fair value $ 1,142 [7],[9],[20],[23] $ 1,215 [8],[10],[11],[12],[35] 745
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[11],[12],[35]   11.74%  
Spread (as a percent) 6.75% [9],[20],[23],[30],[31] 6.75% [10],[11],[12],[35],[36]  
PIK Rate [10],[11],[12],[27],[35]   11.74%  
Principal $ 0 [3],[9],[20],[23],[31] $ 13,714 [6],[10],[11],[12],[35]  
Cost 0 [3],[9],[20],[23],[31] 13,665 [6],[10],[11],[12],[35]  
Fair value $ 0 [7],[9],[20],[23],[31] 12,710 [8],[10],[11],[12],[35] 12,089
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Total Rate 10.89%    
Spread (as a percent) 6.75%    
PIK Rate 10.89%    
Fair value $ 11,937 12,710  
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[23] 10.89%    
Spread (as a percent) [9],[20],[23],[30] 6.75%    
PIK Rate [9],[20],[23],[26] 10.89%    
Principal [3],[9],[20],[23] $ 14,484    
Cost [3],[9],[20],[23] 14,475    
Fair value [7],[9],[20],[23] $ 11,937    
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 3.1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.75%    
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: RA Outdoors LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[23],[30],[31] 6.75%    
Principal [3],[9],[20],[23],[31] $ 0    
Cost [3],[9],[20],[23],[31] 0    
Fair value [7],[9],[20],[23],[31] $ 0    
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 8.86% [9],[20],[24],[34] 11.22% [10],[25],[35],[43]  
Spread (as a percent) 5.00% [9],[20],[24],[30],[34] 6.75% [10],[25],[35],[36],[43]  
Principal $ 340 [3],[9],[20],[24],[34] $ 1,075 [6],[10],[25],[35],[43]  
Cost 310 [3],[9],[20],[24],[34] 1,033 [6],[10],[25],[35],[43]  
Fair value $ 340 [7],[9],[20],[24],[34] $ 1,075 [8],[10],[25],[35],[43]  
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 8.86% [9],[20],[24] 11.38% [10],[25],[35]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 6.75% [10],[25],[35],[36]  
Principal $ 10,023 [3],[9],[20],[24] $ 10,288 [6],[10],[25],[35]  
Cost 9,857 [3],[9],[20],[24] 10,058 [6],[10],[25],[35]  
Fair value $ 10,023 [7],[9],[20],[24] $ 10,288 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Richardson Sales Solutions | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 8.93% [9],[20],[24] 11.43% [10],[25],[35]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 6.75% [10],[25],[35],[36]  
Principal $ 4,938 [3],[9],[20],[24] $ 5,065 [6],[10],[25],[35]  
Cost 4,870 [3],[9],[20],[24] 4,972 [6],[10],[25],[35]  
Fair value $ 4,938 [7],[9],[20],[24] $ 5,065 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,230 [23] 1,230 [11]  
Cost $ 1,230 [3],[23] $ 1,230 [6],[11]  
Fair value 0 [7],[23] $ 0 [8],[11] 0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
PIK Rate [11],[27],[37],[40]   10.00%  
Principal 0 [3],[23],[28],[31] $ 0 [6],[11],[37],[40]  
Cost (12) [3],[23],[28],[31] (7) [6],[11],[37],[40]  
Fair value $ (12) [7],[23],[28],[31] $ (7) [8],[11],[37],[40] (6)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.50% [23],[28] 12.50% [11],[40]  
PIK Rate 10.00% [23],[26],[28] 10.00% [11],[27],[40]  
Principal $ 3,740 [3],[23],[28] $ 3,740 [6],[11],[40]  
Cost 3,518 [3],[23],[28] 3,604 [6],[11],[40]  
Fair value 1,559 [7],[23],[28] $ 1,617 [8],[11],[40] 3,421
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   8.00%  
Principal 0 [3],[9],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (3) [3],[9],[24],[31] (6) [6],[10],[25],[35],[37]  
Fair value $ 0 [7],[9],[24],[31] $ 0 [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.00% [9],[24] 11.85% [10],[25],[35]  
Spread (as a percent) [10],[25],[35],[36]   7.00%  
PIK Rate [9],[24],[26] 10.00%    
Principal $ 4,219 [3],[9],[24] $ 4,219 [6],[10],[25],[35]  
Cost 4,197 [3],[9],[24] 4,163 [6],[10],[25],[35]  
Fair value $ 3,056 [7],[9],[24] $ 3,840 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Roof Opco, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.00% [9],[24] 13.85% [10],[25],[35]  
Spread (as a percent) [10],[25],[35],[36]   9.00%  
PIK Rate [9],[24],[26] 10.00%    
Principal $ 4,219 [3],[9],[24] $ 4,219 [6],[10],[25],[35]  
Cost 4,197 [3],[9],[24] 4,163 [6],[10],[25],[35]  
Fair value $ 2,970 [7],[9],[24] $ 3,815 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Royal Cup Inc. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 857,143    
Cost [3],[9],[24] $ 857    
Fair value [7],[9],[24] $ 857    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (51)    
Fair value [7],[9],[20],[24],[31] $ (51)    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (19)    
Fair value [7],[9],[20],[24],[31] $ (19)    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Spread (as a percent) [9],[20],[24],[30],[31] 5.25%    
Principal [3],[9],[20],[24],[31] $ 0    
Cost [3],[9],[20],[24],[31] (82)    
Fair value [7],[9],[20],[24],[31] $ (82)    
Investment, Identifier [Axis]: Royal Cup Inc. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 8.98%    
Spread (as a percent) [9],[20],[24],[30] 5.25%    
Principal [3],[9],[20],[24] $ 12,000    
Cost [3],[9],[20],[24] 11,826    
Fair value [7],[9],[20],[24] $ 11,826    
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.17% [9],[20],[24] 12.52% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
PIK Rate [10],[25],[27],[35]   2.00%  
Principal $ 4,134 [3],[9],[20],[24] $ 6,542 [6],[10],[25],[35]  
Cost 4,030 [3],[9],[20],[24] 6,532 [6],[10],[25],[35]  
Fair value $ 4,134 [7],[9],[20],[24] $ 6,542 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Rug Doctor, LLC. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.17% [9],[20],[24] 12.52% [10],[25],[35]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
PIK Rate [10],[25],[27],[35]   2.00%  
Principal $ 7,590 [3],[9],[20],[24] $ 8,277 [6],[10],[25],[35]  
Cost 7,589 [3],[9],[20],[24] 8,262 [6],[10],[25],[35]  
Fair value $ 7,590 [7],[9],[20],[24] $ 8,277 [8],[10],[25],[35]  
Investment, Identifier [Axis]: SI East, LLC | Preferred Member Units      
Schedule of Investments [Line Items]      
Units (in shares) 55 [23],[32] 55 [11],[33]  
Cost $ 508 [3],[23],[32] $ 508 [6],[11],[33]  
Fair value $ 5,730 [7],[23],[32] $ 4,550 [8],[11],[33] 6,390
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.80% [23] 11.75% [11]  
Principal $ 750 [3],[23] $ 750 [6],[11]  
Cost 746 [3],[23] 744 [6],[11]  
Fair value $ 750 [7],[23] $ 750 [8],[11] 375
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.85% [23],[56] 12.79% [11],[57]  
Principal $ 22,283 [3],[23],[56] $ 22,554 [6],[11],[57]  
Cost 22,253 [3],[23],[56] 22,533 [6],[11],[57]  
Fair value $ 22,283 [7],[23],[56] 22,554 [8],[11],[57] 0
Investment, Identifier [Axis]: SI East, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Fair value   $ 0 18,179
Investment, Identifier [Axis]: SPAU Holdings, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 200,000 [9],[24] 200,000 [10],[25]  
Cost $ 200 [3],[9],[24] $ 200 [6],[10],[25]  
Fair value $ 200 [7],[9],[24] $ 190 [8],[10],[25]  
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 7.00% [9],[20],[24],[30],[31],[34] 7.50% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31],[34] $ 0 [6],[10],[25],[35],[37]  
Cost (8) [3],[9],[20],[24],[31],[34] (10) [6],[10],[25],[35],[37]  
Fair value $ 0 [7],[9],[20],[24],[31],[34] $ 0 [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: SPAU Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.82% [9],[20],[24] 11.98% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 7.50% [10],[25],[35],[36]  
Principal $ 4,825 [3],[9],[20],[24] $ 4,875 [6],[10],[25],[35]  
Cost 4,789 [3],[9],[20],[24] 4,826 [6],[10],[25],[35]  
Fair value $ 4,825 [7],[9],[20],[24] $ 4,875 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Slick Innovations, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 17,500 [24],[32] 17,500 [25],[33]  
Cost $ 0 [3],[24],[32] $ 0 [6],[25],[33]  
Fair value $ 560 [7],[24],[32] $ 630 [8],[25],[33]  
Investment, Identifier [Axis]: Slick Innovations, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 14.00% [24] 14.00% [25]  
Principal $ 6,170 [3],[24] $ 4,080 [6],[25]  
Cost 6,073 [3],[24] 3,978 [6],[25]  
Fair value $ 6,170 [7],[24] $ 4,080 [8],[25]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 61 [9],[24] 61 [10],[25]  
Cost $ 61 [3],[9],[24] $ 61 [6],[10],[25]  
Fair value $ 71 [7],[9],[24] $ 62 [8],[10],[25]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.25% [9],[20],[24],[30],[31] 5.25% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost 0 [3],[9],[20],[24],[31] 0 [6],[10],[25],[35],[37]  
Fair value $ 0 [7],[9],[20],[24],[31] $ 0 [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.07% [9],[20],[24] 9.71% [10],[25],[35]  
Spread (as a percent) 5.25% [9],[20],[24],[30] 5.25% [10],[25],[35],[36]  
Principal $ 33,214 [3],[9],[20],[24] $ 4,388 [6],[10],[25],[35]  
Cost 33,190 [3],[9],[20],[24] 4,357 [6],[10],[25],[35]  
Fair value $ 33,214 [7],[9],[20],[24] $ 4,388 [8],[10],[25],[35]  
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.07%    
Spread (as a percent) [9],[20],[24],[30] 5.25%    
Principal [3],[9],[20],[24] $ 6,525    
Cost [3],[9],[20],[24] 6,468    
Fair value [7],[9],[20],[24] $ 6,525    
Investment, Identifier [Axis]: Student Resource Center, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 6,564,055 [9],[23] 6,564,055 [10],[11]  
Cost $ 0 [3],[9],[23] $ 0 [6],[10],[11]  
Fair value $ 0 [7],[9],[23] $ 0 [8],[10],[11] 0
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 8.50% [9],[23] 8.50% [10],[11]  
PIK Rate 8.50% [9],[23],[26] 8.50% [10],[11],[27]  
Principal $ 246 [3],[9],[23] $ 227 [6],[10],[11]  
Cost 246 [3],[9],[23] 227 [6],[10],[11]  
Fair value $ 866 [7],[9],[23] $ 227 [8],[10],[11]  
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 1.1      
Schedule of Investments [Line Items]      
Total Rate 8.50% 8.50%  
PIK Rate 8.50% 8.50%  
Fair value $ 1,598 $ 1,826 3,543
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 8.50% [9],[23],[28] 8.50% [10],[11],[40]  
PIK Rate 8.50% [9],[23],[26],[28] 8.50% [10],[11],[27],[40]  
Principal $ 5,918 [3],[9],[23],[28] $ 5,918 [6],[10],[11],[40]  
Cost 5,425 [3],[9],[23],[28] 5,425 [6],[10],[11],[40]  
Fair value $ 1,598 [7],[9],[23],[28] $ 1,826 [8],[10],[11],[40]  
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 2.1      
Schedule of Investments [Line Items]      
Total Rate   8.50%  
PIK Rate   8.50%  
Fair value   $ 227 0
Investment, Identifier [Axis]: Student Resource Center, LLC | Secured Debt 2.2      
Schedule of Investments [Line Items]      
Total Rate 8.50%    
PIK Rate 8.50%    
Fair value $ 866 $ 227  
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [9],[20],[24],[30],[31] 5.75% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (6) [3],[9],[20],[24],[31] (7) [6],[10],[25],[35],[37]  
Fair value $ (6) [7],[9],[20],[24],[31] $ (7) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Spread (as a percent) 5.50% [9],[20],[24],[30],[31] 5.75% [10],[25],[35],[36],[37]  
Principal $ 0 [3],[9],[20],[24],[31] $ 0 [6],[10],[25],[35],[37]  
Cost (4) [3],[9],[20],[24],[31] (5) [6],[10],[25],[35],[37]  
Fair value $ (4) [7],[9],[20],[24],[31] $ (5) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: TEC Services, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.27% [9],[20],[24] 10.13% [10],[25]  
Spread (as a percent) 5.50% [9],[20],[24],[30] 5.75% [10],[25],[36]  
Principal $ 2,310 [3],[9],[20],[24] $ 2,333 [6],[10],[25]  
Cost 2,283 [3],[9],[20],[24] 2,299 [6],[10],[25]  
Fair value $ 2,302 [7],[9],[20],[24] $ 2,299 [8],[10],[25]  
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 1,651 [23] 1,651 [11]  
Cost $ 165 [3],[23] $ 165 [6],[11]  
Fair value $ 0 [7],[23] $ 0 [8],[11] 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 1,411 [23] 1,411 [11]  
Cost $ 141 [3],[23] $ 141 [6],[11]  
Fair value $ 0 [7],[23] $ 0 [8],[11] 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Preferred Member Units 3      
Schedule of Investments [Line Items]      
Units (in shares) 136 [23] 136 [11]  
Cost $ 2,311 [3],[23] $ 2,311 [6],[11]  
Fair value $ 0 [7],[23] $ 0 [8],[11] 0
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.00% [23],[28],[48] 12.00% [11],[40],[41]  
PIK Rate 12.00% [23],[26],[28],[48] 12.00% [11],[27],[40],[41]  
Principal $ 301 [3],[23],[28],[48] $ 460 [6],[11],[40],[41]  
Cost 215 [3],[23],[28],[48] 455 [6],[11],[40],[41]  
Fair value $ 241 [7],[23],[28],[48] $ 412 [8],[11],[40],[41] 432
Investment, Identifier [Axis]: Tedder Industries, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% [23],[28],[48] 12.00% [11],[40],[41]  
PIK Rate 12.00% [23],[26],[28],[48] 12.00% [11],[27],[40],[41]  
Principal $ 3,800 [3],[23],[28],[48] $ 3,800 [6],[11],[40],[41]  
Cost 3,761 [3],[23],[28],[48] 3,761 [6],[11],[40],[41]  
Fair value $ 707 [7],[23],[28],[48] $ 901 [8],[11],[40],[41] 3,565
Investment, Identifier [Axis]: Tex Tech Tennis, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,000,000 [9],[24],[44] 1,000,000 [10],[25],[45]  
Cost $ 1,000 [3],[9],[24],[44] $ 1,000 [6],[10],[25],[45]  
Fair value $ 2,900 [7],[9],[24],[44] $ 2,290 [8],[10],[25],[45]  
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 1      
Schedule of Investments [Line Items]      
Units (in shares) 78,227 [24] 71,827 [25],[33]  
Cost $ 78 [3],[24] $ 72 [6],[25],[33]  
Fair value $ 78 [7],[24] $ 72 [8],[25],[33]  
Investment, Identifier [Axis]: The Affiliati Network, LLC | Preferred Stock 2      
Schedule of Investments [Line Items]      
Units (in shares) 320,000 [9],[24],[32] 320,000 [25],[33]  
Cost $ 1,600 [3],[9],[24],[32] $ 1,600 [6],[25],[33]  
Fair value $ 1,600 [7],[9],[24],[32] $ 1,600 [8],[25],[33]  
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [25]   10.00%  
Principal [6],[25]   $ 100  
Cost [6],[25]   98  
Fair value [8],[25]   $ 98  
Investment, Identifier [Axis]: The Affiliati Network, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [25]   10.00%  
Principal [6],[25]   $ 1,300  
Cost [6],[25]   1,290  
Fair value [8],[25]   $ 1,274  
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 522,651 [9],[24] 468,750 [10],[25]  
Total Rate 8.00% [9],[24] 8.00% [10],[25]  
PIK Rate 8.00% [9],[24],[26] 8.00% [10],[25],[27]  
Cost $ 529 [3],[9],[24] $ 469 [6],[10],[25]  
Fair value $ 590 [7],[9],[24] $ 540 [8],[10],[25]  
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.17%    
Spread (as a percent) 6.50% [9],[20],[24],[30] 6.50% [10],[25],[35],[36],[37]  
Principal $ 554 [3],[9],[20],[24] $ 0 [6],[10],[25],[35],[37]  
Cost 523 [3],[9],[20],[24] (40) [6],[10],[25],[35],[37]  
Fair value $ 554 [7],[9],[20],[24] $ (40) [8],[10],[25],[35],[37]  
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.17% [9],[20],[24] 10.83% [10],[25],[35]  
Spread (as a percent) 6.50% [9],[20],[24],[30] 6.50% [10],[25],[35],[36]  
Principal $ 12,917 [3],[9],[20],[24] $ 13,049 [6],[10],[25],[35]  
Cost 12,628 [3],[9],[20],[24] 12,666 [6],[10],[25],[35]  
Fair value $ 12,917 [7],[9],[20],[24] 13,049 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.17%    
Spread (as a percent) [9],[20],[24],[30] 6.50%    
Principal [3],[9],[20],[24] $ 1,653    
Cost [3],[9],[20],[24] 1,621    
Fair value [7],[9],[20],[24] $ 1,653    
Investment, Identifier [Axis]: Titan Meter Midco Corp. | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 10.17%    
Spread (as a percent) [9],[20],[24],[30] 6.50%    
Principal [3],[9],[20],[24] $ 1,870    
Cost [3],[9],[20],[24] 1,829    
Fair value [7],[9],[20],[24] $ 1,870    
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [23],[44] 181    
Cost [3],[23],[44] $ 174    
Fair value $ 174 [7],[23],[44] $ 0  
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 154 [23],[32] 154 [11],[33]  
Cost $ 1,164 [3],[23],[32] $ 1,164 [6],[11],[33]  
Fair value 3,730 [7],[23],[32] 2,140 [8],[11],[33] 3,180
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal 0 [3],[23],[31] 0 [6],[11],[37]  
Cost 0 [3],[23],[31] (1) [6],[11],[37]  
Fair value 0 [7],[23],[31] (1) [8],[11],[37] 0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 1.1      
Schedule of Investments [Line Items]      
Fair value $ 0 $ 0  
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.50% [23] 13.50% [11]  
Principal $ 2,250 [3],[23] $ 1,980 [6],[11]  
Cost 2,232 [3],[23] 1,962 [6],[11]  
Fair value $ 2,250 [7],[23] 1,962 [8],[11] 1,980
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [23] 9.00%    
Principal [3],[23] $ 510    
Cost [3],[23] 508    
Fair value $ 510 [7],[23] $ 0  
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.32% [13],[20],[24],[28] 11.90% [14],[25],[35],[40]  
Spread (as a percent) 8.15% [13],[20],[24],[28],[30] 7.40% [14],[25],[35],[36],[40]  
PIK Rate 7.00% [13],[20],[24],[26],[28] 6.00% [14],[25],[27],[35],[40]  
Principal $ 6,741 [3],[13],[20],[24],[28] $ 6,750 [6],[14],[25],[35],[40]  
Cost 1,783 [3],[13],[20],[24],[28] 2,229 [6],[14],[25],[35],[40]  
Fair value 2,747 [7],[13],[20],[24],[28] 2,686 [8],[14],[25],[35],[40]  
Investment, Identifier [Axis]: U.S. TelePacific Corp. | Secured Debt 2      
Schedule of Investments [Line Items]      
Principal 692 [3],[13],[24],[28] 692 [6],[14],[25],[40]  
Cost 15 [3],[13],[24],[28] 15 [6],[14],[25],[40]  
Fair value $ 0 [7],[13],[24],[28] $ 0 [8],[14],[25],[40]  
Investment, Identifier [Axis]: UBM AcquireCo LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [24] 20    
Cost [3],[24] $ 2,000    
Fair value [7],[24] 2,000    
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Principal [3],[24],[31] 0    
Cost [3],[24],[31] (10)    
Fair value [7],[24],[31] $ (10)    
Investment, Identifier [Axis]: UBM AcquireCo LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [24] 10.00%    
Principal [3],[24] $ 10,700    
Cost [3],[24] 10,595    
Fair value [7],[24] $ 10,595    
Investment, Identifier [Axis]: UPS Intermediate, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 412,371 [9],[24] 412,371 [10],[25]  
Cost $ 412 [3],[9],[24] $ 412 [6],[10],[25]  
Fair value $ 420 [7],[9],[24] $ 412 [8],[10],[25]  
Investment, Identifier [Axis]: UPS Intermediate, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 9.97% [9],[20],[24] 10.36% [10],[25],[35]  
Spread (as a percent) 6.25% [9],[20],[24],[30] 6.00% [10],[25],[35],[36]  
Principal $ 19,294 [3],[9],[20],[24] $ 19,490 [6],[10],[25],[35]  
Cost 19,005 [3],[9],[20],[24] 19,118 [6],[10],[25],[35]  
Fair value $ 19,168 [7],[9],[20],[24] $ 19,294 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Urgent DSO LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 1,000 [23],[32] 1,000 [11],[33]  
Total Rate [11],[33]   9.00%  
PIK Rate [11],[27],[33]   9.00%  
Cost $ 1,154 [3],[23],[32] $ 1,080 [6],[11],[33]  
Fair value $ 1,089 [7],[23],[32] $ 1,080 [8],[11],[33] 0
Investment, Identifier [Axis]: Urgent DSO LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 13.50% [23] 13.50% [11]  
Principal $ 2,200 [3],[23] $ 2,200 [6],[11]  
Cost 2,158 [3],[23] 2,145 [6],[11]  
Fair value $ 2,168 [7],[23] $ 2,145 [8],[11] 0
Investment, Identifier [Axis]: UserZoom Technologies, Inc. | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 11.63% [9],[20],[24] 12.75% [10],[25],[35]  
Spread (as a percent) 7.50% [9],[20],[24],[30] 7.50% [10],[25],[35],[36]  
Principal $ 3,000 [3],[9],[20],[24] $ 3,000 [6],[10],[25],[35]  
Cost 2,953 [3],[9],[20],[24] 2,938 [6],[10],[25],[35]  
Fair value $ 3,000 [7],[9],[20],[24] $ 3,000 [8],[10],[25],[35]  
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) 769,231 [9],[24],[32] 769,231 [10],[25],[33]  
Cost $ 769 [3],[9],[24],[32] $ 769 [6],[10],[25],[33]  
Fair value $ 2,670 [7],[9],[24],[32] $ 1,950 [8],[10],[25],[33]  
Investment, Identifier [Axis]: VVS Holdco LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 3,060 [23],[32],[44] 3,060 [11],[33],[45]  
Cost $ 3,060 [3],[23],[32],[44] $ 3,060 [6],[11],[33],[45]  
Fair value $ 3,060 [7],[23],[32],[44] $ 3,060 [8],[11],[33],[45] 3,060
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) 6.00% [20],[23],[30],[31] 6.00% [11],[35],[36],[37]  
Principal $ 0 [3],[20],[23],[31] $ 0 [6],[11],[35],[37]  
Cost 0 [3],[20],[23],[31] 0 [6],[11],[35],[37]  
Fair value $ 0 [7],[20],[23],[31] $ 0 [8],[11],[35],[37] 0
Investment, Identifier [Axis]: VVS Holdco LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.50% [23] 11.50% [11]  
Principal $ 6,000 [3],[23] $ 6,440 [6],[11]  
Cost 5,967 [3],[23] 6,366 [6],[11]  
Fair value $ 5,967 [7],[23] $ 6,366 [8],[11] 6,926
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 8,259 [23] 8,338 [11]  
Cost $ 3,609 [3],[23] $ 3,644 [6],[11]  
Fair value $ 3,760 [7],[23] 3,644 [8],[11] 0
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [23] 13.00%    
Principal $ 138 [3],[23] 0 [6],[11],[37]  
Cost 127 [3],[23] (5) [6],[11],[37]  
Fair value $ 127 [7],[23] $ (5) [8],[11],[37] 0
Investment, Identifier [Axis]: Victory Energy Operations, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 13.00% [23] 13.00% [11]  
Principal $ 7,749 [3],[23] $ 7,749 [6],[11]  
Cost 7,575 [3],[23] 7,529 [6],[11]  
Fair value $ 7,575 [7],[23] $ 7,529 [8],[11] 0
Investment, Identifier [Axis]: Vistar Media, Inc. | Preferred Stock      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   70,207  
Cost [6],[10],[25]   $ 767  
Fair value [8],[10],[25]   $ 4,676  
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 10.98% [9],[24],[34] 11.55% [10],[25]  
Spread (as a percent) 7.00% [9],[24],[30],[34] 7.00% [10],[25],[36]  
Principal $ 2,273 [3],[9],[24],[34] $ 1,705 [6],[10],[25]  
Cost 2,235 [3],[9],[24],[34] 1,669 [6],[10],[25]  
Fair value $ 2,273 [7],[9],[24],[34] $ 1,705 [8],[10],[25]  
Investment, Identifier [Axis]: Vitesse Systems | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 10.93% [9],[20],[24] 11.47% [10],[25],[35]  
Spread (as a percent) 7.00% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 12,250 [3],[9],[20],[24] $ 12,375 [6],[10],[25],[35]  
Cost 12,067 [3],[9],[20],[24] 12,130 [6],[10],[25],[35]  
Fair value $ 12,250 [7],[9],[20],[24] $ 12,375 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Volusion, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) 772,620 [21] 772,620 [22]  
Cost $ 1,104 [3],[21] $ 1,104 [6],[22]  
Fair value $ 0 [7],[21] $ 0 [8],[22] 0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1      
Schedule of Investments [Line Items]      
Units (in shares) 2,184,683 [21] 2,184,683 [22]  
Cost $ 784 [3],[21] $ 1,705 [6],[22]  
Fair value 1,249 [7],[21] 3,004 [8],[22]  
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 1.1      
Schedule of Investments [Line Items]      
Fair value $ 0 $ 0 0
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 2      
Schedule of Investments [Line Items]      
Units (in shares) 61,077 [21] 61,077 [22]  
Cost $ 0 [3],[21] $ 0 [6],[22]  
Fair value 0 [7],[21] 0 [8],[22]  
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 2.1      
Schedule of Investments [Line Items]      
Fair value $ 1,249 $ 3,004 3,110
Investment, Identifier [Axis]: Volusion, LLC | Preferred Member Units 3      
Schedule of Investments [Line Items]      
Units (in shares) 2,090,001 [21] 2,090,001 [22]  
Cost $ 6,000 [3],[21] $ 6,000 [6],[22]  
Fair value $ 0 [7],[21] $ 0 [8],[22] 0
Investment, Identifier [Axis]: Volusion, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 10.00% [21],[48] 10.00% [22]  
Principal $ 900 [3],[21],[48] $ 900 [6],[22]  
Cost 900 [3],[21],[48] 900 [6],[22]  
Fair value $ 900 [7],[21],[48] $ 900 [8],[22] $ 900
Investment, Identifier [Axis]: Wall Street Prep, Inc. | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25]   500,000  
Cost [6],[10],[25]   $ 500  
Fair value [8],[10],[25]   $ 1,510  
Investment, Identifier [Axis]: Wall Street Prep, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Spread (as a percent) [10],[25],[35],[36],[37]   7.00%  
Principal [6],[10],[25],[35],[37]   $ 0  
Cost [6],[10],[25],[35],[37]   (3)  
Fair value [8],[10],[25],[35],[37]   $ (3)  
Investment, Identifier [Axis]: Wall Street Prep, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.74%  
Spread (as a percent) [10],[25],[35],[36]   7.00%  
Principal [6],[10],[25],[35]   $ 2,199  
Cost [6],[10],[25],[35]   2,183  
Fair value [8],[10],[25],[35]   $ 2,199  
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Common Equity      
Schedule of Investments [Line Items]      
Units (in shares) [9],[24] 439    
Cost [3],[9],[24] $ 465    
Fair value [7],[9],[24] $ 210    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.28%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 44    
Cost [3],[9],[20],[24] 44    
Fair value [7],[9],[20],[24] $ 44    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.34%    
Spread (as a percent) [9],[20],[24],[30] 5.50%    
Principal [3],[9],[20],[24] $ 1,029    
Cost [3],[9],[20],[24] 1,029    
Fair value [7],[9],[20],[24] $ 1,029    
Investment, Identifier [Axis]: Wash & Wax Systems LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[24] 12.00%    
PIK Rate [9],[24],[26] 12.00%    
Principal [3],[9],[24] $ 730    
Cost [3],[9],[24] 730    
Fair value [7],[9],[24] $ 730    
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 12.00% [9],[24],[28] 12.00% [10],[25]  
PIK Rate 4.00% [9],[24],[26],[28] 4.00% [10],[25],[27]  
Principal $ 319 [3],[9],[24],[28] $ 309 [6],[10],[25]  
Cost 317 [3],[9],[24],[28] 307 [6],[10],[25]  
Fair value $ 218 [7],[9],[24],[28] $ 292 [8],[10],[25]  
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 12.00% [9],[24],[28] 12.00% [10],[25]  
PIK Rate 4.00% [9],[24],[26],[28] 4.00% [10],[25],[27]  
Principal $ 55 [3],[9],[24],[28] $ 53 [6],[10],[25]  
Cost 52 [3],[9],[24],[28] 49 [6],[10],[25]  
Fair value $ 37 [7],[9],[24],[28] $ 50 [8],[10],[25]  
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 12.00% [9],[24],[28] 12.00% [10],[25]  
PIK Rate 4.00% [9],[24],[26],[28] 4.00% [10],[25],[27]  
Principal $ 2,262 [3],[9],[24],[28] $ 2,200 [6],[10],[25]  
Cost 2,254 [3],[9],[24],[28] 2,187 [6],[10],[25]  
Fair value $ 1,543 [7],[9],[24],[28] $ 2,076 [8],[10],[25]  
Investment, Identifier [Axis]: Watterson Brands, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 12.00% [9],[24],[28] 12.00% [10],[25]  
PIK Rate 4.00% [9],[24],[26],[28] 4.00% [10],[25],[27]  
Principal $ 2,041 [3],[9],[24],[28] $ 1,986 [6],[10],[25]  
Cost 2,034 [3],[9],[24],[28] 1,973 [6],[10],[25]  
Fair value $ 1,392 [7],[9],[24],[28] $ 1,874 [8],[10],[25]  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC | Common Stock      
Schedule of Investments [Line Items]      
Units (in shares) [10],[25],[33]   200,000  
Cost [6],[10],[25],[33]   $ 200  
Fair value [8],[10],[25],[33]   $ 640  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   9.47%  
Spread (as a percent) [10],[25],[35],[36]   5.00%  
Principal [6],[10],[25],[35]   $ 658  
Cost [6],[10],[25],[35]   649  
Fair value [8],[10],[25],[35]   $ 658  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   9.60%  
Spread (as a percent) [10],[25],[35],[36]   5.00%  
Principal [6],[10],[25],[35]   $ 2,918  
Cost [6],[10],[25],[35]   2,884  
Fair value [8],[10],[25],[35]   $ 2,917  
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   9.60%  
Spread (as a percent) [10],[25],[35],[36]   5.00%  
Principal [6],[10],[25],[35]   $ 1,452  
Cost [6],[10],[25],[35]   1,429  
Fair value [8],[10],[25],[35]   $ 1,452  
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.49% [9],[20],[24],[34] 12.81% [10],[25],[35]  
Spread (as a percent) 7.50% [9],[20],[24],[30],[34] 8.00% [10],[25],[35],[36]  
Principal $ 5,000 [3],[9],[20],[24],[34] $ 2,750 [6],[10],[25],[35]  
Cost 4,975 [3],[9],[20],[24],[34] 2,701 [6],[10],[25],[35]  
Fair value $ 5,000 [7],[9],[20],[24],[34] $ 2,672 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 11.75% [9],[20],[24] 12.85% [10],[25],[35]  
Spread (as a percent) 7.50% [9],[20],[24],[30] 8.00% [10],[25],[35],[36]  
Principal $ 2,343 [3],[9],[20],[24] $ 2,343 [6],[10],[25],[35]  
Cost 2,326 [3],[9],[20],[24] 2,310 [6],[10],[25],[35]  
Fair value $ 2,343 [7],[9],[20],[24] $ 2,276 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 10.75% [9],[20],[24] 11.85% [10],[25],[35]  
Spread (as a percent) 6.50% [9],[20],[24],[30] 7.00% [10],[25],[35],[36]  
Principal $ 9,050 [3],[9],[20],[24] $ 9,050 [6],[10],[25],[35]  
Cost 8,980 [3],[9],[20],[24] 8,911 [6],[10],[25],[35]  
Fair value $ 9,050 [7],[9],[20],[24] $ 8,794 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Winter Services LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 12.75% [9],[20],[24] 13.85% [10],[25],[35]  
Spread (as a percent) 8.50% [9],[20],[24],[30] 9.00% [10],[25],[35],[36]  
Principal $ 9,050 [3],[9],[20],[24] $ 9,050 [6],[10],[25],[35]  
Cost 8,980 [3],[9],[20],[24] 8,911 [6],[10],[25],[35]  
Fair value $ 9,050 [7],[9],[20],[24] $ 8,794 [8],[10],[25],[35]  
Investment, Identifier [Axis]: World Micro Holdings, LLC | Preferred Equity      
Schedule of Investments [Line Items]      
Units (in shares) 530 [24],[32] 530 [25],[33]  
Cost $ 530 [3],[24],[32] $ 530 [6],[25],[33]  
Fair value $ 530 [7],[24],[32] $ 530 [8],[25],[33]  
Investment, Identifier [Axis]: World Micro Holdings, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 12.00% [24] 13.00% [25]  
Principal $ 1,364 [3],[24] $ 1,485 [6],[25]  
Cost 1,354 [3],[24] 1,468 [6],[25]  
Fair value $ 1,354 [7],[24] $ 1,468 [8],[25]  
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 9.54% [9],[20],[24] 9.70% [10],[25],[35]  
Spread (as a percent) 5.75% [9],[20],[24],[30] 5.25% [10],[25],[35],[36]  
Principal $ 1,164 [3],[9],[20],[24] $ 1,176 [6],[10],[25],[35]  
Cost 1,150 [3],[9],[20],[24] 1,157 [6],[10],[25],[35]  
Fair value $ 1,164 [7],[9],[20],[24] $ 1,176 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.72% [9],[20],[24] 9.98% [10],[25],[35]  
Spread (as a percent) 5.75% [9],[20],[24],[30] 5.25% [10],[25],[35],[36]  
Principal $ 2,304 [3],[9],[20],[24] $ 2,328 [6],[10],[25],[35]  
Cost 2,286 [3],[9],[20],[24] 2,304 [6],[10],[25],[35]  
Fair value $ 2,304 [7],[9],[20],[24] $ 2,328 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Xenon Arc, Inc. | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate [9],[20],[24] 9.52%    
Spread (as a percent) [9],[20],[24],[30] 5.75%    
Principal [3],[9],[20],[24] $ 604    
Cost [3],[9],[20],[24] 594    
Fair value [7],[9],[20],[24] $ 604    
Investment, Identifier [Axis]: YS Garments, LLC | Secured Debt      
Schedule of Investments [Line Items]      
Total Rate 11.48% [13],[20],[24] 12.25% [14],[25],[35]  
Spread (as a percent) 7.50% [13],[20],[24],[30] 7.50% [14],[25],[35],[36]  
Principal $ 4,965 [3],[13],[20],[24] $ 5,106 [6],[14],[25],[35]  
Cost 4,931 [3],[13],[20],[24] 5,048 [6],[14],[25],[35]  
Fair value $ 4,167 [7],[13],[20],[24] $ 4,661 [8],[14],[25],[35]  
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate 11.75% [9],[20],[24] 12.50% [10],[25],[35]  
Spread (as a percent) 5.00% [9],[20],[24],[30] 5.00% [10],[25],[35],[36]  
Principal $ 821 [3],[9],[20],[24] $ 86 [6],[10],[25],[35]  
Cost 803 [3],[9],[20],[24] 64 [6],[10],[25],[35]  
Fair value $ 821 [7],[9],[20],[24] $ 86 [8],[10],[25],[35]  
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate 9.69% [9],[20],[24],[53] 10.74% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30],[53] 6.00% [10],[25],[35],[36]  
Principal $ 1,465 [3],[9],[20],[24],[53] $ 517 [6],[10],[25],[35]  
Cost 1,441 [3],[9],[20],[24],[53] 496 [6],[10],[25],[35]  
Fair value $ 1,465 [7],[9],[20],[24],[53] $ 517 [8],[10],[25],[35]  
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 3      
Schedule of Investments [Line Items]      
Total Rate 9.60% [9],[20],[24] 10.28% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30] 6.00% [10],[25],[35],[36]  
Principal $ 809 [3],[9],[20],[24] $ 817 [6],[10],[25],[35]  
Cost 800 [3],[9],[20],[24] 806 [6],[10],[25],[35]  
Fair value $ 809 [7],[9],[20],[24] $ 817 [8],[10],[25],[35]  
Investment, Identifier [Axis]: ZRG Partners, LLC | Secured Debt 4      
Schedule of Investments [Line Items]      
Total Rate 9.73% [9],[20],[24] 10.66% [10],[25],[35]  
Spread (as a percent) 6.00% [9],[20],[24],[30] 6.00% [10],[25],[35],[36]  
Principal $ 5,786 [3],[9],[20],[24] $ 5,852 [6],[10],[25],[35]  
Cost 5,706 [3],[9],[20],[24] 5,748 [6],[10],[25],[35]  
Fair value $ 5,786 [7],[9],[20],[24] $ 5,852 [8],[10],[25],[35]  
Investment, Identifier [Axis]: Zips Car Wash, LLC | Secured Debt 1      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.91%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
PIK Rate [10],[25],[27],[35]   11.91%  
Principal [6],[10],[25],[35]   $ 2,458  
Cost [6],[10],[25],[35]   2,458  
Fair value [8],[10],[25],[35]   $ 2,025  
Investment, Identifier [Axis]: Zips Car Wash, LLC | Secured Debt 2      
Schedule of Investments [Line Items]      
Total Rate [10],[25],[35]   11.91%  
Spread (as a percent) [10],[25],[35],[36]   7.25%  
PIK Rate [10],[25],[27],[35]   11.91%  
Principal [6],[10],[25],[35]   $ 616  
Cost [6],[10],[25],[35]   616  
Fair value [8],[10],[25],[35]   $ 508  
[1] All portfolio company headquarters are based in the U.S., unless otherwise noted.
[2] All investments are LMM (as defined below) portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Fund’s investments, unless otherwise noted, are encumbered as security for one of the Fund’s Credit Facilities (as defined below).
[3] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan.
[4] All portfolio company headquarters are based in the U.S., unless otherwise noted.
[5] All investments are LMM portfolio investments, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of LMM portfolio investments. All of the Fund’s investments, unless otherwise noted, are encumbered as security for one of the Fund’s Credit Facilities.
[6] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan.
[7] Investment Fair Value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.
[8] Investment Fair Value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.
[9] Private Loan (as defined below) portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments.
[10] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments.
[11] “Affiliate” investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[12] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets.
[13] Middle Market (as defined below) portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments.
[14] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments.
[15] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act (as defined below). Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets.
[16] Portfolio company headquarters are located outside of the U.S.
[17] Portfolio company headquarters are located outside of the U.S.
[18] Other Portfolio (as defined below) investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments.
[19] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments.
[20] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 97% of the loans (based on the par amount) contain Secured Overnight Financing Rate (“SOFR”) floors which range between 0.75% and 5.25%, with a weighted-average floor of 1.31%.
[21] “Control” investments are defined by the 1940 Act (as defined below) as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained.
[22] “Control” investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained.
[23] “Affiliate” investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments.
[24] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[25] “Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[26] Investments may have a portion, or all, of their income received from Paid-in-Kind (“PIK”) interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of December 31, 2025.
[27] Investments may have a portion, or all, of their income received from PIK interest or dividends. PIK interest income and cumulative dividend income represent income not paid currently in cash. The difference between the Total Rate and PIK Rate represents the cash rate as of December 31, 2024.
[28] Non-accrual and non-income producing debt investment.
[29] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[30] A majority of the variable rate loans in the Investment Portfolio (as defined below) bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of December 31, 2025, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[31] The position is unfunded and no interest income is being earned as of December 31, 2025. The position may earn a nominal unused facility fee on committed amounts.
[32] Income producing through dividends or distributions.
[33] Income producing through dividends or distributions.
[34] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025.
[35] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain SOFR floors which range between 0.75% and 5.25%, with a weighted-average floor of 1.28%.
[36] A majority of the variable rate loans in the Investment Portfolio bear interest at a rate that may be determined by reference to either SOFR (“SF”) or an alternate base rate (commonly based on the federal funds rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR, plus the Adjustment, exceeds the stated floor rate, as applicable. As of December 31, 2024, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[37] The position is unfunded and no interest income is being earned as of December 31, 2024. The position may earn a nominal unused facility fee on committed amounts.
[38] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[39] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[40] Non-accrual and non-income producing debt investment.
[41] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[42] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[43] Revolving line of credit facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2024.
[44] Shares/Units represent ownership in a related real estate or holding entity.
[45] Shares/Units represent ownership in a related real estate or holding entity.
[46] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[47] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[48] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[49] Effective yield as of December 31, 2024 was approximately 4.13% on the Fidelity Government Portfolio Fund Class III.
[50] Effective yield as of December 31, 2024 was approximately 4.41% on the First American Treasury Obligations Fund Class Z.
[51] Index based floating interest rate is subject to contractual maximum base rate of 4.00%.
[52] Index based floating interest rate is subject to contractual maximum base rate of 4.00%.
[53] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2025.
[54] Investment is accruing income at the fixed cash rate of 2.50% as of December 31, 2025
[55] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2024.
[56] The Fund has entered into an intercreditor agreement that entitles the Fund to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Fund receives a higher interest rate than the contractual stated interest rate of 11.80% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[57] The Fund has entered into an intercreditor agreement that entitles the Fund to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Fund receives a higher interest rate than the contractual stated interest rate of 11.75% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.