Quarterly report [Sections 13 or 15(d)]

Consolidated Schedule of Investments

v3.25.2
Consolidated Schedule of Investments - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Schedule of Investments [Line Items]        
PIK Rate 12.95%      
Cost $ 1,191,525 [1] $ 1,138,745 [2]    
Fair value $ 1,245,563 [3] $ 1,177,507 [4]    
Investment owned, percent of net assets (as a percent) 172.30% [5],[6] 188.40%    
Money market funds        
Schedule of Investments [Line Items]        
Cost $ 21,939 [1] $ 14,360 [2]    
Fair value 21,939 [3] 14,360 [4]    
Control investments        
Schedule of Investments [Line Items]        
Cost [7] 52,196 [1] 54,560 [2]    
Fair value $ 61,612 [3],[7] $ 69,878 [4],[7] $ 56,842 $ 53,644
Investment owned, percent of net assets (as a percent) 8.50% [5],[6],[8] 11.20% [7]    
Affiliate investments        
Schedule of Investments [Line Items]        
Cost [9] $ 313,908 [1] $ 284,211 [2]    
Fair value $ 383,824 [3],[9] $ 351,360 [4],[9] $ 302,759 291,279
Investment owned, percent of net assets (as a percent) 53.10% [5],[6] 56.20%    
Non‑Control/Non‑Affiliate investments        
Schedule of Investments [Line Items]        
Cost [10] $ 825,421 [1] $ 799,974 [2]    
Fair value [10] $ 800,127 [3] $ 756,269 [4]    
Investment owned, percent of net assets (as a percent) 110.70% [5],[6],[11] 121.00%    
BDB Holdings, LLC        
Schedule of Investments [Line Items]        
Cost [1] $ 13,305      
Fair value [3] 12,190      
GRT Rubber Technologies LLC        
Schedule of Investments [Line Items]        
Cost 27,854 [1] $ 27,826 [2]    
Fair value 44,554 [3] 44,094 [4]    
Volusion, LLC        
Schedule of Investments [Line Items]        
Cost 9,239 [1] 9,709 [2]    
Fair value 2,740 [3] 3,904 [4]    
American Nuts, LLC        
Schedule of Investments [Line Items]        
Cost 6,916 [1],[12] 9,858 [2],[13]    
Fair value 6,580 [3],[12] 7,101 [4],[13]    
Analytical Systems Keco Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,474 [1] 2,498 [2]    
Fair value 2,318 [3] 2,342 [4]    
Batjer TopCo, LLC        
Schedule of Investments [Line Items]        
Cost 1,652 [1] 1,700 [2]    
Fair value 1,967 [3] 1,815 [4]    
Brewer Crane Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,324 [1] 2,324 [2]    
Fair value 2,074 [3] 2,424 [4]    
Centre Technologies Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 7,691 [1] 7,952 [2]    
Fair value 10,256 [3] 9,494 [4]    
Chamberlin Holding LLC        
Schedule of Investments [Line Items]        
Cost 7,989 [1] 7,181 [2]    
Fair value $ 13,698 [3] 13,073 [4]    
Charps, LLC        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 457      
Cost [1],[14] $ 491      
Fair value [3],[14] 3,840      
Clad-Rex Steel, LLC        
Schedule of Investments [Line Items]        
Cost 3,745 [1] 3,870 [2]    
Fair value 5,195 [3] 4,920 [4]    
Cody Pools, Inc.        
Schedule of Investments [Line Items]        
Cost 8,980 [1] 8,661 [2]    
Fair value 23,706 [3] 23,548 [4]    
Colonial Electric Company LLC        
Schedule of Investments [Line Items]        
Cost 4,782 [1] 5,474 [2]    
Fair value 6,694 [3] 6,968 [4]    
Compass Systems & Sales, LLC        
Schedule of Investments [Line Items]        
Cost 6,062 [1] 6,048 [2]    
Fair value 6,085 [3] 6,045 [4]    
Datacom, LLC        
Schedule of Investments [Line Items]        
Cost 1,277 [1] 1,223 [2]    
Fair value 873 [3] 963 [4]    
Flame King Holdings, LLC        
Schedule of Investments [Line Items]        
Cost [1] 18,775      
Fair value [3] 26,515      
Digital Products Holdings LLC        
Schedule of Investments [Line Items]        
Cost 5,356 [1] 5,515 [2]    
Fair value 5,404 [3] 5,564 [4]    
Direct Marketing Solutions, Inc.        
Schedule of Investments [Line Items]        
Cost 6,594 [1] 6,754 [2]    
Fair value 9,121 [3] 9,148 [4]    
DMA Industries, LLC        
Schedule of Investments [Line Items]        
Cost 6,661 [1] 6,595 [2]    
Fair value $ 6,801 [3] 6,595 [4]    
Freeport Financial Funds        
Schedule of Investments [Line Items]        
Units (as a percent) [15],[16],[17] 5.95%      
Cost [1],[15],[16],[17] $ 671      
Fair value [3],[15],[16],[17] 193      
Gamber-Johnson Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 22,409 [1] 22,589 [2]    
Fair value 46,772 [3] 46,972 [4]    
GFG Group, LLC        
Schedule of Investments [Line Items]        
Cost 3,538 [1] 3,255 [2]    
Fair value 4,843 [3] 4,686 [4]    
Gulf Publishing Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,868 [1] 2,901 [2]    
Fair value 469 [3] 378 [4]    
IG Investor, LLC        
Schedule of Investments [Line Items]        
Cost 12,592 [1] 12,672 [2]    
Fair value 14,056 [3] 13,132 [4]    
Integral Energy Services        
Schedule of Investments [Line Items]        
Cost 16,298 [1],[12] 16,867 [2],[13]    
Fair value 15,587 [3],[12] 16,047 [4],[13]    
Kickhaefer Manufacturing Company, LLC        
Schedule of Investments [Line Items]        
Cost 7,628 [1] 8,031 [2]    
Fair value 8,568 [3] 8,461 [4]    
KMS, LLC        
Schedule of Investments [Line Items]        
Cost 8,981 [1],[12] 11,525 [2],[13]    
Fair value 8,981 [3],[12] 7,914 [4],[13]    
Mills Fleet Farm Group, LLC        
Schedule of Investments [Line Items]        
Cost [1],[12] 13,845      
Fair value [3],[12] 12,620      
Mystic Logistics Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,114 [1] 2,113 [2]    
Fair value 8,136 [3] 8,026 [4]    
Nello Industries Investco, LLC        
Schedule of Investments [Line Items]        
Cost 9,669 [1] 9,637 [2]    
Fair value 11,199 [3] 10,497 [4]    
NexRev LLC        
Schedule of Investments [Line Items]        
Cost [2]   4,503    
Fair value [4]   5,423    
NuStep, LLC        
Schedule of Investments [Line Items]        
Cost 8,872 [1] 9,172 [2]    
Fair value 9,760 [3] 9,900 [4]    
Orttech Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 7,767 [1] 7,955 [2]    
Fair value 8,650 [3] 8,850 [4]    
Pinnacle TopCo, LLC        
Schedule of Investments [Line Items]        
Cost 9,968 [1] 10,146 [2]    
Fair value 11,850 [3] 11,750 [4]    
RA Outdoors LLC        
Schedule of Investments [Line Items]        
Cost 15,406 [1],[12] 14,972 [2],[13],[18]    
Fair value 12,716 [3],[12] 13,925 [4],[13],[18]    
Robbins Bros. Jewelry, Inc.        
Schedule of Investments [Line Items]        
Cost 4,787 [1] 4,827 [2]    
Fair value 1,571 [3] 1,610 [4]    
SI East, LLC        
Schedule of Investments [Line Items]        
Cost 23,770 [1] 23,785 [2]    
Fair value 27,454 [3] 27,854 [4]    
Student Resource Center, LLC        
Schedule of Investments [Line Items]        
Cost 5,662 [1],[12] 5,652 [2],[13]    
Fair value 2,164 [3],[12] 2,053 [4],[13]    
Tedder Industries, LLC        
Schedule of Investments [Line Items]        
Cost 6,833 [1] 6,833 [2]    
Fair value 1,274 [3] 1,313 [4]    
Trantech Radiator Topco, LLC        
Schedule of Investments [Line Items]        
Cost 3,129 [1] 3,125 [2]    
Fair value 4,335 [3] 4,101 [4]    
Urgent DSO LLC        
Schedule of Investments [Line Items]        
Cost 3,281 [1] 3,225 [2],[19]    
Fair value 3,281 [3] 3,225 [4],[19]    
Victory Energy Operations, LLC        
Schedule of Investments [Line Items]        
Cost 11,428 [1] 11,168 [2]    
Fair value 11,428 [3] 11,168 [4]    
VVS Holdco LLC        
Schedule of Investments [Line Items]        
Cost 9,128 [1] 9,426 [2]    
Fair value 9,128 [3] 9,426 [4]    
AAC Holdings, Inc.        
Schedule of Investments [Line Items]        
Cost 8,487 [1],[20] 9,329 [2],[21]    
Fair value 5,218 [3],[20] 6,184 [4],[21]    
Adams Publishing Group, LLC        
Schedule of Investments [Line Items]        
Cost 3,057 [1],[12] 3,194 [2],[13]    
Fair value 3,016 [3],[12] 3,137 [4],[13]    
American Health Staffing Group, Inc.        
Schedule of Investments [Line Items]        
Cost 7,359 [1],[12] 7,667 [2],[13]    
Fair value 7,380 [3],[12] 7,697 [4],[13]    
American Teleconferencing Services, Ltd.        
Schedule of Investments [Line Items]        
Cost [2],[21]   13,826    
Fair value [4],[21]   341    
Ansira Partners II, LLC        
Schedule of Investments [Line Items]        
Cost 17,246 [1],[12] 17,194 [2],[13]    
Fair value 17,515 [3],[12] 17,330 [4],[13]    
ArborWorks, LLC        
Schedule of Investments [Line Items]        
Cost 13,253 [1],[12] 12,931 [2],[13]    
Fair value 13,275 [3],[12] 12,006 [4],[13]    
ATS Operating, LLC        
Schedule of Investments [Line Items]        
Cost 2,100 [1],[12] 1,982 [2],[13]    
Fair value 2,145 [3],[12] 2,020 [4],[13]    
AVEX Aviation Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 3,361 [1],[12] 3,389 [2],[13]    
Fair value 3,418 [3],[12] 3,455 [4],[13]    
Berry Aviation, Inc.        
Schedule of Investments [Line Items]        
Cost 286 [1],[12] 286 [2],[13]    
Fair value 0 [3],[12] 0 [4],[13]    
Bettercloud, Inc.        
Schedule of Investments [Line Items]        
Cost 10,471 [1],[12] 9,125 [2],[13]    
Fair value 5,937 [3],[12] 6,949 [4],[13]    
Bluestem Brands, Inc.        
Schedule of Investments [Line Items]        
Cost 8,857 [1],[20] 8,784 [2],[21]    
Fair value 4,061 [3],[20] 6,763 [4],[21]    
Boccella Precast Products LLC        
Schedule of Investments [Line Items]        
Cost 628 [1] 644 [2]    
Fair value 434 [3] 146 [4]    
B-O-F Corporation        
Schedule of Investments [Line Items]        
Cost [1],[12] 6,071      
Fair value [3],[12] 6,071      
Bond Brand Loyalty ULC        
Schedule of Investments [Line Items]        
Cost 8,558 [1],[12],[15],[22] 8,598 [2],[13],[18],[23]    
Fair value 8,648 [3],[12],[15],[22] 8,668 [4],[13],[18],[23]    
BP Loenbro Holdings Inc.        
Schedule of Investments [Line Items]        
Cost 13,129 [1],[12] 12,514 [2],[13]    
Fair value 14,566 [3],[12] 13,271 [4],[13]    
Brightwood Capital Fund Investments        
Schedule of Investments [Line Items]        
Cost 8,811 [1],[15],[17] 9,963 [2],[18],[24]    
Fair value 7,920 [3],[15],[17] 9,070 [4],[18],[24]    
Buca C, LLC        
Schedule of Investments [Line Items]        
Cost 11,095 [1] 10,835 [2]    
Fair value 0 [3] 0 [4]    
Burning Glass Intermediate Holding Company, Inc.        
Schedule of Investments [Line Items]        
Cost 12,000 [1],[12] 11,461 [2],[13]    
Fair value 12,091 [3],[12] 11,575 [4],[13]    
CAI Software LLC        
Schedule of Investments [Line Items]        
Cost 454 [1] 454 [2]    
Fair value 744 [3] 513 [4]    
Career Team Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,932 [1] 2,731 [2]    
Fair value 2,938 [3] 2,761 [4]    
CenterPeak Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 2,773 [1] 2,765 [2]    
Fair value 4,470 [3] 4,000 [4]    
Channel Partners Intermediateco, LLC        
Schedule of Investments [Line Items]        
Cost 4,299 [1],[12] 4,375 [2],[13]    
Fair value 4,307 [3],[12] 4,209 [4],[13]    
Computer Data Source, LLC        
Schedule of Investments [Line Items]        
Cost 23,693 [1],[12] 22,075 [2],[13]    
Fair value 21,840 [3],[12] 20,883 [4],[13]    
Connect Telecommunications Solutions Holdings, Inc.        
Schedule of Investments [Line Items]        
Cost 4,151 [1],[15] 4,377 [2],[18]    
Fair value 4,151 [3],[15] 4,377 [4],[18]    
Coregistics Buyer LLC        
Schedule of Investments [Line Items]        
Cost 13,522 [1],[12],[15],[22] 13,538 [2],[13],[18],[23]    
Fair value 13,827 [3],[12],[15],[22] 13,251 [4],[13],[18],[23]    
CQ Fluency, LLC        
Schedule of Investments [Line Items]        
Cost 6,883 [1],[12] 7,002 [2],[13]    
Fair value 7,006 [3],[12] 7,107 [4],[13]    
Creative Foam Corporation        
Schedule of Investments [Line Items]        
Cost 27,448 [1],[12] 10,582 [2],[13]    
Fair value 27,935 [3],[12] 10,666 [4],[13]    
DTE Enterprises, LLC        
Schedule of Investments [Line Items]        
Cost 2,092 [1],[12] 2,092 [2],[13]    
Fair value 0 [3],[12] 438 [4],[13]    
Dynamic Communities, LLC        
Schedule of Investments [Line Items]        
Cost 4,685 [1],[12] 4,467 [2],[13]    
Fair value 4,907 [3],[12] 4,499 [4],[13]    
Electro Technical Industries, LLC        
Schedule of Investments [Line Items]        
Cost [1],[12] 24,944      
Fair value [3],[12] 25,163      
Elgin AcquireCo, LLC        
Schedule of Investments [Line Items]        
Cost 2,014 [1] 2,044 [2]    
Fair value 2,085 [3] 2,137 [4]    
Escalent, Inc.        
Schedule of Investments [Line Items]        
Cost 7,214 [1],[12] 7,232 [2],[13]    
Fair value 7,415 [3],[12] 7,446 [4],[13]    
Event Holdco, LLC        
Schedule of Investments [Line Items]        
Cost 4,322 [1],[12] 4,261 [2],[13]    
Fair value 4,334 [3],[12] 4,277 [4],[13]    
FCC Intermediate Holdco, LLC        
Schedule of Investments [Line Items]        
Cost 8,053 [1] 8,115 [2]    
Fair value 11,655 [3] 9,845 [4]    
Garyline, LLC        
Schedule of Investments [Line Items]        
Cost 9,566 [1],[12] 11,911 [2],[13]    
Fair value 9,506 [3],[12] 12,133 [4],[13]    
GradeEight Corp.        
Schedule of Investments [Line Items]        
Cost 15,106 [1],[12] 14,946 [2],[13]    
Fair value 14,969 [3],[12] 14,946 [4],[13]    
Hawk Ridge Systems, LLC        
Schedule of Investments [Line Items]        
Cost 11,104 [1] 11,133 [2]    
Fair value 16,346 [3] 15,735 [4]    
HDC/HW Intermediate Holdings        
Schedule of Investments [Line Items]        
Cost 1,875 [1],[12] 1,708 [2],[13]    
Fair value 1,396 [3],[12] 1,542 [4],[13]    
HEADLANDS OP-CO LLC        
Schedule of Investments [Line Items]        
Cost 10,474 [1],[12] 10,490 [2],[13]    
Fair value 10,567 [3],[12] 10,618 [4],[13]    
Hornblower Sub, LLC        
Schedule of Investments [Line Items]        
Cost 18,643 [1],[12] 16,530 [2],[13]    
Fair value 18,710 [3],[12] 16,542 [4],[13]    
IG Parent Corporation        
Schedule of Investments [Line Items]        
Cost 8,003 [1],[20] 8,000 [2],[21]    
Fair value 8,066 [3],[20] 8,076 [4],[21]    
Imaging Business Machines, L.L.C.        
Schedule of Investments [Line Items]        
Cost [2],[13]   11,405    
Fair value [4],[13]   11,581    
Infinity X1 Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 5,179 [1] 4,806 [2]    
Fair value 6,273 [3] 6,073 [4]    
Insight Borrower Corporation        
Schedule of Investments [Line Items]        
Cost 16,676 [1],[12] 8,280 [2],[13]    
Fair value 15,822 [3],[12] 7,930 [4],[13]    
Inspire Aesthetics Management, LLC        
Schedule of Investments [Line Items]        
Cost 8,755 [1],[12] 8,331 [2],[13]    
Fair value 7,975 [3],[12] 7,466 [4],[13]    
Interface Security Systems, L.L.C        
Schedule of Investments [Line Items]        
Cost 9,482 [1],[12] 9,329 [2],[13]    
Fair value 1,861 [3],[12] 1,593 [4],[13]    
Invincible Boat Company, LLC.        
Schedule of Investments [Line Items]        
Cost 17,519 [1],[12] 17,737 [2],[13]    
Fair value 16,310 [3],[12] 17,094 [4],[13]    
Iron-Main Investments, LLC        
Schedule of Investments [Line Items]        
Cost 11,622 [1] 11,664 [2]    
Fair value 11,665 [3] 11,697 [4]    
Isagenix International, LLC        
Schedule of Investments [Line Items]        
Cost 2,802 [1],[20] 2,778 [2],[21]    
Fair value 429 [3],[20] 622 [4],[21]    
Island Pump and Tank, LLC        
Schedule of Investments [Line Items]        
Cost 6,418 [1],[12] 5,119 [2],[13]    
Fair value 6,373 [3],[12] 5,161 [4],[13]    
ITA Holdings Group, LLC        
Schedule of Investments [Line Items]        
Cost 3,444 [1] 2,932 [2]    
Fair value 5,666 [3] 4,183 [4]    
Jackmont Hospitality, Inc.        
Schedule of Investments [Line Items]        
Cost 7,839 [1],[12] 6,758 [2],[13]    
Fair value 9,257 [3],[12] 8,382 [4],[13]    
JDC Power Services, LLC        
Schedule of Investments [Line Items]        
Cost 17,061 [1],[12] 17,230 [2],[13]    
Fair value 17,406 [3],[12] 17,442 [4],[13]    
Joerns Healthcare, LLC        
Schedule of Investments [Line Items]        
Cost 2,812 [1],[20] 8,253 [2],[21]    
Fair value 2,936 [3],[20] 2,671 [4],[21]    
JorVet Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 3,794 [1] 3,789 [2]    
Fair value 4,073 [3] 4,028 [4]    
JTI Electrical & Mechanical, LLC        
Schedule of Investments [Line Items]        
Cost 4,026 [1],[12] 4,065 [2],[13]    
Fair value 2,959 [3],[12] 3,783 [4],[13]    
LL Management, Inc.        
Schedule of Investments [Line Items]        
Cost 23,105 [1],[12] 23,134 [2],[13]    
Fair value 23,190 [3],[12] 23,308 [4],[13]    
Mako Steel, LP        
Schedule of Investments [Line Items]        
Cost [2],[13]   20,891    
Fair value [4],[13]   21,081    
Metalforming Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 1,891 [1] 2,060 [2]    
Fair value 2,306 [3] 2,483 [4]    
Microbe Formulas, LLC        
Schedule of Investments [Line Items]        
Cost 3,423 [1],[12] 3,679 [2],[13]    
Fair value 3,460 [3],[12] 3,726 [4],[13]    
Mini Melts of America, LLC        
Schedule of Investments [Line Items]        
Cost 8,236 [1],[12] 7,808 [2],[13]    
Fair value 7,974 [3],[12] 7,915 [4],[13]    
MoneyThumb Acquisition, LLC        
Schedule of Investments [Line Items]        
Cost 2,746 [1] 2,772 [2]    
Fair value 2,746 [3] 2,772 [4]    
MonitorUS Holding, LLC        
Schedule of Investments [Line Items]        
Cost 10,061 [1],[12],[15],[22] 9,715 [2],[13],[18],[23]    
Fair value 10,592 [3],[12],[15],[22] 9,804 [4],[13],[18],[23]    
NinjaTrader, LLC        
Schedule of Investments [Line Items]        
Cost [2],[13]   14,317    
Fair value [4],[13]   14,433    
Obra Capital, Inc.        
Schedule of Investments [Line Items]        
Cost 12,941 [1],[12] 11,647 [2],[13]    
Fair value 13,262 [3],[12] 11,752 [4],[13]    
OnPoint Industrial Services, LLC        
Schedule of Investments [Line Items]        
Cost 3,911 [1],[12] 3,928 [2],[13]    
Fair value 3,948 [3],[12] 3,928 [4],[13]    
Power System Solutions        
Schedule of Investments [Line Items]        
Cost [2],[13]   10,783    
Fair value [4],[13]   12,112    
PrimeFlight Aviation Services        
Schedule of Investments [Line Items]        
Cost 8,883 [1],[12],[15] 7,490 [2],[13]    
Fair value 9,067 [3],[12],[15] 7,685 [4],[13]    
PTL US Bidco, Inc        
Schedule of Investments [Line Items]        
Cost 1,497 [1],[12],[15],[22] 1,594 [2],[13],[18],[23]    
Fair value 1,510 [3],[12],[15],[22] 1,598 [4],[13],[18],[23]    
Purge Rite, LLC        
Schedule of Investments [Line Items]        
Cost 1,302 [1],[12] 1,302 [2],[13]    
Fair value 3,869 [3],[12] 2,109 [4],[13]    
Richardson Sales Solutions        
Schedule of Investments [Line Items]        
Cost 14,842 [1],[12] 16,063 [2],[13]    
Fair value 15,156 [3],[12] 16,428 [4],[13]    
Roof Opco, LLC        
Schedule of Investments [Line Items]        
Cost 8,355 [1],[12] 8,320 [2],[13]    
Fair value 7,246 [3],[12] 7,655 [4],[13]    
Rug Doctor, LLC.        
Schedule of Investments [Line Items]        
Cost 14,493 [1],[12] 14,794 [2],[13]    
Fair value 14,504 [3],[12] 14,819 [4],[13]    
Slick Innovations, LLC        
Schedule of Investments [Line Items]        
Cost 6,277 [1] 3,978 [2]    
Fair value 6,910 [3] 4,710 [4]    
South Coast Terminals Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 33,248 [1],[12] 4,418 [2],[13]    
Fair value 33,280 [3],[12] 4,450 [4],[13]    
SPAU Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 5,651 [1],[12] 5,016 [2],[13]    
Fair value 5,730 [3],[12] 5,065 [4],[13]    
TEC Services, LLC        
Schedule of Investments [Line Items]        
Cost 2,280 [1],[12] 2,287 [2],[13]    
Fair value 2,284 [3],[12] 2,287 [4],[13]    
The Affiliati Network, LLC        
Schedule of Investments [Line Items]        
Cost 2,970 [1] 3,060 [2]    
Fair value 2,955 [3] 3,044 [4]    
Titan Meter Midco Corp.        
Schedule of Investments [Line Items]        
Cost 15,258 [1],[12] 13,095 [2],[13]    
Fair value 15,738 [3],[12] 13,549 [4],[13]    
U.S. TelePacific Corp.        
Schedule of Investments [Line Items]        
Cost 1,905 [1],[20] 2,244 [2],[21]    
Fair value 2,696 [3],[20] 2,686 [4],[21]    
UPS Intermediate, LLC        
Schedule of Investments [Line Items]        
Cost 19,474 [1],[12] 19,530 [2],[13]    
Fair value 19,739 [3],[12] $ 19,706 [4],[13]    
Vistar Media, Inc.        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [13]   70,207    
Cost [2],[13]   $ 767    
Fair value [4],[13]   4,676    
Vitesse Systems        
Schedule of Investments [Line Items]        
Cost 14,327 [1],[12] 13,799 [2],[13]    
Fair value 14,585 [3],[12] 14,080 [4],[13]    
Wall Street Prep, Inc.        
Schedule of Investments [Line Items]        
Cost [2],[13]   2,680    
Fair value [4],[13]   3,706    
Watterson Brands, LLC        
Schedule of Investments [Line Items]        
Cost 4,616 [1],[12] 4,516 [2],[13]    
Fair value 4,371 [3],[12] 4,292 [4],[13]    
West Star Aviation Acquisition, LLC        
Schedule of Investments [Line Items]        
Cost [2],[13]   5,162    
Fair value [4],[13]   5,667    
Winter Services LLC        
Schedule of Investments [Line Items]        
Cost 20,176 [1],[12] 22,833 [2],[13]    
Fair value 20,407 [3],[12] 22,536 [4],[13]    
World Micro Holdings, LLC        
Schedule of Investments [Line Items]        
Cost 1,881 [1] 1,998 [2]    
Fair value 1,881 [3] 1,998 [4]    
Xenon Arc, Inc.        
Schedule of Investments [Line Items]        
Cost 4,044 [1],[12] 3,461 [2],[13]    
Fair value 4,093 [3],[12] 3,504 [4],[13]    
Zips Car Wash, LLC        
Schedule of Investments [Line Items]        
Cost [2],[13]   3,074    
Fair value [4],[13]   2,533    
ZRG Partners, LLC        
Schedule of Investments [Line Items]        
Cost 8,132 [1],[12] 7,114 [2],[13]    
Fair value 8,277 [3],[12] $ 7,272 [4],[13]    
Implus Footcare, LLC        
Schedule of Investments [Line Items]        
Cost [1],[12] 17,799      
Fair value [3],[12] 11,012      
Logix Acquisition Company, LLC        
Schedule of Investments [Line Items]        
Cost [1],[12] 20,230      
Fair value [3],[12] 20,230      
Mission Critical Group        
Schedule of Investments [Line Items]        
Cost [1],[12] 18,576      
Fair value [3],[12] 20,724      
Wash & Wax Systems LLC        
Schedule of Investments [Line Items]        
Cost [1],[12] 2,131      
Fair value [3],[12] $ 2,166      
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III        
Schedule of Investments [Line Items]        
Total Rate 3.98% 4.13%    
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 593,927 593,927    
Cost $ 3,148 [1] $ 3,148 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: AAC Holdings, Inc., Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 4,342,688      
Cost [1] $ 2,931      
Fair value [3] $ 2,810      
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 18.00% 18.00%    
PIK Rate 18.00% [25] 18.00% [26]    
Principal $ 268 [1] $ 210 [2]    
Cost 268 [1] 210 [2]    
Fair value $ 268 [3] $ 209 [4]    
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% [27] 18.00%    
PIK Rate 10.00% [25],[27] 18.00% [26]    
Principal $ 1,070 [1],[27] $ 6,013 [2]    
Cost 1,070 [1],[27] 5,971 [2]    
Fair value $ 1,070 [3],[27] $ 5,975 [4]    
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [27] 12.00%      
PIK Rate [25],[27] 12.00%      
Principal [1],[27] $ 1,070      
Cost [1],[27] 1,070      
Fair value [3],[27] $ 1,070      
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 197,717 [28] 197,717 [29]    
Cost $ 0 [1],[28] $ 0 [2],[29]    
Fair value $ 0 [3],[28] $ 0 [4],[29]    
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 11 [12],[14] 11 [13],[19]    
Cost $ 83 [1],[12],[14] $ 83 [2],[13],[19]    
Fair value $ 20 [3],[12],[14] $ 30 [4],[13],[19]    
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 100,000 100,000    
Cost $ 100 [1] $ 100 [2]    
Fair value $ 120 [3] $ 120 [4]    
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.57% [30],[31] 10.85% [32]    
Spread (as a percent) 6.00% [30],[31],[33] 6.00% [32],[34]    
Principal $ 175 [1],[30],[31] $ 50 [2],[32]    
Cost 164 [1],[30],[31] 50 [2],[32]    
Fair value $ 175 [3],[30],[31] $ 50 [4],[32]    
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.56% [31] 9.85% [32]    
Spread (as a percent) 5.00% [31],[33] 5.00% [32],[34]    
Principal $ 925 [1],[31] $ 925 [2],[32]    
Cost 918 [1],[31] 916 [2],[32]    
Fair value $ 925 [3],[31] $ 925 [4],[32]    
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.56% [31] 11.85% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 925 [1],[31] $ 925 [2],[32]    
Cost 918 [1],[31] 916 [2],[32]    
Fair value $ 925 [3],[31] $ 925 [4],[32]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 137 [14] 137 [19]    
Cost $ 130 [1],[14] $ 130 [2],[19]    
Fair value $ 128 [3],[14] $ 124 [4],[19]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.25% [31],[33],[35] 7.25% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (10) [1],[31],[35] (12) [2],[32],[36]    
Fair value $ (10) [3],[31],[35] $ (12) [4],[32],[36]    
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.70% [31] 11.73% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 3,300 [1],[31] $ 3,343 [2],[32]    
Cost 3,241 [1],[31] 3,271 [2],[32]    
Fair value $ 3,300 [3],[31] $ 3,343 [4],[32]    
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.00% [31],[37] 11.00% [32],[38]    
Spread (as a percent) 7.00% [31],[33],[37] 7.00% [32],[34],[38]    
PIK Rate 1.00% [25],[31],[37] 1.00% [26],[32],[38]    
Principal $ 950 [1],[31],[37] $ 946 [2],[32],[38]    
Cost 950 [1],[31],[37] 946 [2],[32],[38]    
Fair value $ 937 [3],[31],[37] $ 928 [4],[32],[38]    
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.00% [31],[37] 11.00% [32],[38]    
Spread (as a percent) 7.00% [31],[33],[37] 7.00% [32],[34],[38]    
PIK Rate 1.00% [25],[31],[37] 1.00% [26],[32],[38]    
Principal $ 2,109 [1],[31],[37] $ 2,251 [2],[32],[38]    
Cost 2,107 [1],[31],[37] 2,248 [2],[32],[38]    
Fair value $ 2,079 [3],[31],[37] $ 2,209 [4],[32],[38]    
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.00% [31],[33],[35] 5.00% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (5) [1],[31],[35] (6) [2],[32],[36]    
Fair value $ (5) [3],[31],[35] $ (6) [4],[32],[36]    
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [31] 12.50% [32]    
Spread (as a percent) 5.00% [31],[33] 5.00% [32],[34]    
Principal $ 7,385 [1],[31] $ 7,703 [2],[32]    
Cost 7,364 [1],[31] 7,673 [2],[32]    
Fair value $ 7,385 [3],[31] 7,703 [4],[32]    
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 12.95%      
Spread (as a percent) [31],[33] 8.50%      
PIK Rate [25],[31] 12.95%      
Principal [1],[31] $ 2,180      
Cost [1],[31] 2,180      
Fair value [3],[31] $ 2,180      
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.95%      
Spread (as a percent) 8.50%      
Fair value $ 2,180 0    
Investment, Identifier [Axis]: American Nuts, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Fair value $ 2,220 $ 0    
Investment, Identifier [Axis]: American Nuts, LLC, Roaster, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 7,590      
Cost [1] $ 2,556      
Fair value [3] $ 2,220      
Investment, Identifier [Axis]: American Nuts, LLC, Roaster, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.95% [31] 16.49% [32],[39]    
Spread (as a percent) 8.50% [31],[33] 11.75% [32],[34],[39]    
PIK Rate 12.95% [25],[31] 16.49% [26],[32],[39]    
Principal $ 2,180 [1],[31] $ 4,270 [2],[32],[39]    
Cost 2,180 [1],[31] 4,244 [2],[32],[39]    
Fair value $ 2,180 [3],[31] $ 2,621 [4],[32],[39]    
Investment, Identifier [Axis]: American Nuts, LLC, Roaster,Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate   14.49%    
Spread (as a percent) [34] 9.75%      
PIK Rate [26]   14.49%    
Principal [2]   $ 5,626    
Cost [2]   5,614    
Fair value [4]   4,480    
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.95%      
Spread (as a percent) 8.50%      
Fair value $ 2,180 0    
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [2],[39],[40]   2,425    
Cost [2],[39],[40]   2,375    
Fair value [4],[39],[40]   59    
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2        
Schedule of Investments [Line Items]        
Principal [2],[39],[40]   11,693    
Cost [2],[39],[40]   11,451    
Fair value [4],[39],[40]   $ 282    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 607      
Cost [1] $ 607      
Fair value [3] 1,330      
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] 0      
Fair value [3],[35] $ 0      
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 17.50%      
Principal [1] $ 999      
Cost [1] 988      
Fair value [3] 988      
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   607    
Cost [2]   $ 607    
Fair value [4]   1,330    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Total Rate     14.13%  
Fair value 0 $ 0 $ 0 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   800    
Cost [2]   $ 800    
Fair value [4]   0    
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1        
Schedule of Investments [Line Items]        
Fair value 1,330 1,330 $ 1,400 1,210
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     15.38%  
Spread (as a percent)     10.00%  
Principal [2],[36]   0    
Cost [2],[36]   0    
Fair value $ 0 $ 0 [4],[36] $ 55 54
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 17.50% 13.75% 15.38%  
Spread (as a percent)     10.00%  
Principal [2]   $ 1,024    
Cost [2]   1,012    
Fair value $ 988 $ 1,012 [4] $ 981 1,020
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 105 [28] 105 [29]    
Cost $ 79 [1],[28] $ 79 [2],[29]    
Fair value $ 0 [3],[28] $ 0 [4],[29] 0 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC,, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 800      
Cost [1] $ 800      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.75% [31],[33],[35] 6.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (40) [1],[31],[35] (45) [2],[32],[36]    
Fair value $ (40) [3],[31],[35] $ (45) [4],[32],[36]    
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.07% [31] 11.25% [32]    
Spread (as a percent) 6.75% [31],[33] 6.75% [32],[34]    
Principal $ 17,659 [1],[31] $ 17,659 [2],[32]    
Cost 17,286 [1],[31] 17,239 [2],[32]    
Fair value $ 17,555 [3],[31] $ 17,375 [4],[32]    
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,070 2,070    
Cost $ 124 [1] $ 124 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 17,265 17,265    
Cost $ 7,468 [1] $ 7,468 [2]    
Fair value $ 7,614 [3] $ 6,667 [4]    
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 17,265 17,265    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% 15.00%    
PIK Rate 15.00% [25] 15.00% [26]    
Principal $ 1,143 [1] $ 1,061 [2]    
Cost 1,143 [1] 1,061 [2]    
Fair value $ 1,143 [3] $ 1,061 [4]    
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.91% [31] 11.08% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
PIK Rate 10.91% [25],[31] 11.08% [26],[32]    
Principal $ 4,518 [1],[31] $ 4,278 [2],[32]    
Cost 4,518 [1],[31] 4,278 [2],[32]    
Fair value $ 4,518 [3],[31] $ 4,278 [4],[32]    
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 62,402 [12],[14] 62,403 [13]    
Cost $ 62 [1],[12],[14] $ 62 [2],[13]    
Fair value $ 110 [3],[12],[14] $ 110 [4],[13]    
Investment, Identifier [Axis]: B-O-F Corporation, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 180,000      
Cost [1] $ 180      
Fair value [3] $ 180      
Investment, Identifier [Axis]: B-O-F Corporation, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 5.75%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (13)      
Fair value [3],[31],[35] $ (13)      
Investment, Identifier [Axis]: B-O-F Corporation, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 9.05%      
Spread (as a percent) [31],[33] 4.75%      
Principal [1],[31] $ 3,000      
Cost [1],[31] 2,952      
Fair value [3],[31] $ 2,952      
Investment, Identifier [Axis]: B-O-F Corporation, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 11.05%      
Spread (as a percent) [31],[33] 6.75%      
Principal [1],[31] $ 3,000      
Cost [1],[31] 2,952      
Fair value [3],[31] $ 2,952      
Investment, Identifier [Axis]: BDB Holdings, LLC, , Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 12,504,663      
Cost [1] $ 13,025      
Fair value [3] 11,910      
Investment, Identifier [Axis]: BDB Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   12,504,663    
Cost [2]   $ 13,025    
Fair value $ 11,910 12,610 [4]    
Investment, Identifier [Axis]: BDB Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Principal [1] $ 280      
Cost [1] 280      
Fair value $ 280 [3] $ 0    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,000,000 1,000,000    
Cost $ 1,000 [1] $ 1,000 [2]    
Fair value $ 2,240 [3] $ 1,550 [4]    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.18% [30],[31] 10.68% [32],[41]    
Spread (as a percent) 5.75% [30],[31],[33] 6.25% [32],[34],[41]    
Principal $ 385 [1],[30],[31] $ 514 [2],[32],[41]    
Cost 367 [1],[30],[31] 493 [2],[32],[41]    
Fair value $ 385 [3],[30],[31] $ 514 [4],[32],[41]    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 10.15%      
Spread (as a percent) 5.75% [31],[33] 6.25% [32],[34],[36]    
Principal $ 867 [1],[31] $ 0 [2],[32],[36]    
Cost 850 [1],[31] (10) [2],[32],[36]    
Fair value $ 867 [3],[31] $ (10) [4],[32],[36]    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.11% [31] 10.92% [32]    
Spread (as a percent) 5.75% [31],[33] 6.25% [32],[34]    
Principal $ 11,074 [1],[31] $ 11,217 [2],[32]    
Cost 10,912 [1],[31] 11,031 [2],[32]    
Fair value $ 11,074 [3],[31] $ 11,217 [4],[32]    
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [31] 10.14%      
Spread (as a percent) [31],[33] 5.75%      
Cost [1],[31] $ 0      
Fair value [3],[31] $ 0      
Investment, Identifier [Axis]: Barfly Ventures, LLC - Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [12],[14] 12      
Principal [1],[12],[14] $ 528      
Cost [1],[12],[14] 528      
Fair value [3],[12],[14] 2,270      
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units        
Schedule of Investments [Line Items]        
Units (as a percent) [13]   12.25%    
Cost [2],[13]   $ 528    
Fair value $ 2,270 $ 1,953 [4],[13] 1,573 1,380
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 453      
Cost [1],[14] $ 455      
Fair value [3],[14] 770      
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] 0      
Fair value [3],[35] $ 0      
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Principal [1] $ 30      
Cost [1] 30      
Fair value [3] $ 30      
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Principal [1] $ 1,175      
Cost [1] 1,167      
Fair value [3] 1,167      
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   453    
Cost [2],[19]   $ 455    
Fair value 770 $ 570 [4],[19] $ 630 680
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate   10.00% 10.00%  
Principal [2]   $ 50    
Cost [2]   50    
Fair value $ 0 $ 50 [4] $ 49 0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 30    
Cost [2]   30    
Fair value $ 30 $ 30 [4] $ 30 30
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 1,175    
Cost [2]   1,165    
Fair value $ 1,167 $ 1,165 [4] $ 1,162 1,175
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 286,109 [42] 286,109    
Cost $ 286 [1],[42] $ 286 [2]    
Fair value $ 0 [3],[42] $ 0 [4]    
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 122,416 [42] 122,416 [43]    
Cost $ 0 [1],[42] $ 0 [2],[43]    
Fair value $ 0 [3],[42] $ 0 [4],[43]    
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,548,387 [42] 1,548,387 [43]    
Cost $ 0 [1],[42] $ 0 [2],[43]    
Fair value $ 0 [3],[42] $ 0 [4],[43]    
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [27],[31] 14.53%      
Spread (as a percent) 10.25% [27],[31],[33] 10.25% [32],[34],[36]    
Principal $ 146 [1],[27],[31] $ 0 [2],[32],[36]    
Cost 132 [1],[27],[31] (14) [2],[32],[36]    
Fair value $ 23 [3],[27],[31] $ (14) [4],[32],[36]    
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.53% [27],[31],[44] 15.76% [32]    
Spread (as a percent) 10.25% [27],[31],[33],[44] 10.25% [32],[34]    
PIK Rate 7.25% [25],[27],[31],[44] 9.25% [26],[32]    
Principal $ 454 [1],[27],[31],[44] $ 9,230 [2],[32]    
Cost 18 [1],[27],[31],[44] 9,139 [2],[32]    
Fair value $ 69 [3],[27],[31],[44] $ 6,963 [4],[32]    
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [27],[31] 14.58%      
Spread (as a percent) [27],[31],[33] 10.25%      
PIK Rate [25],[27],[31] 7.25%      
Principal [1],[27],[31] $ 9,230      
Cost [1],[27],[31] 9,139      
Fair value [3],[27],[31] $ 1,400      
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [27],[31],[44] 14.58%      
Spread (as a percent) [27],[31],[33],[44] 10.25%      
PIK Rate [25],[27],[31],[44] 7.25%      
Principal [1],[27],[31],[44] $ 29,307      
Cost [1],[27],[31],[44] 1,182      
Fair value [3],[27],[31],[44] $ 4,445      
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,050,000 [12] 1,050,000 [13]    
Cost $ 1,050 [1],[12] $ 1,050 [2],[13]    
Fair value $ 1,060 [3],[12] $ 650 [4],[13]    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 700,446 700,446    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.94% [27],[31] 13.17% [32]    
Spread (as a percent) 8.50% [27],[31],[33] 8.50% [32],[34]    
PIK Rate 11.94% [25],[27],[31] 12.17% [26],[32]    
Principal $ 215 [1],[27],[31] $ 215 [2],[32]    
Cost 138 [1],[27],[31] 138 [2],[32]    
Fair value $ 108 [3],[27],[31] $ 181 [4],[32]    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.00% [27],[31] 15.00% [32]    
Spread (as a percent) 7.50% [27],[31],[33] 7.50% [32],[34]    
PIK Rate 14.75% [25],[27],[31] 14.75% [26],[32]    
Principal $ 3,377 [1],[27],[31] $ 3,304 [2],[32]    
Cost 3,377 [1],[27],[31] 3,304 [2],[32]    
Fair value $ 1,698 [3],[27],[31] $ 2,792 [4],[32]    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.94% [27],[31] 13.17% [32]    
Spread (as a percent) 8.50% [27],[31],[33] 8.50% [32],[34]    
PIK Rate 12.94% [25],[27],[31] 12.17% [26],[32]    
Principal $ 4,486 [1],[27],[31] $ 4,486 [2],[32]    
Cost 4,231 [1],[27],[31] 4,231 [2],[32]    
Fair value $ 2,255 [3],[27],[31] $ 3,790 [4],[32]    
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 175,110 [28] 175,110 [29]    
Cost $ 1,111 [1],[28] $ 1,111 [2],[29]    
Fair value $ 0 [3],[28] $ 0 [4],[29]    
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 540,000 [14] 540,000    
Cost $ 564 [1],[14] $ 564 [2]    
Fair value $ 370 [3],[14] $ 80 [4]    
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00%    
Principal $ 64 [1] $ 80 [2]    
Cost 64 [1] 80 [2]    
Fair value $ 64 [3] $ 66 [4]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 360 360    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 360 360    
Cost $ 360 [1] $ 360 [2]    
Fair value $ 350 [3] $ 310 [4]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.45% [31] 11.65% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 360 [1],[31] $ 360 [2],[32]    
Cost 350 [1],[31] 348 [2],[32]    
Fair value $ 360 [3],[31] $ 360 [4],[32]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.45% [31] 10.74% [32]    
Spread (as a percent) 6.00% [31],[33] 6.00% [32],[34]    
Principal $ 3,969 [1],[31] $ 3,999 [2],[32]    
Cost 3,924 [1],[31] 3,945 [2],[32]    
Fair value $ 3,969 [3],[31] $ 3,999 [4],[32]    
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.45% [31] 12.74% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
Principal $ 3,969 [1],[31] $ 3,999 [2],[32]    
Cost 3,924 [1],[31] 3,945 [2],[32]    
Fair value $ 3,969 [3],[31] 3,999 [4],[32]    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 737      
Cost [1],[14] $ 1,070      
Fair value [3],[14] $ 820      
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [31] 14.48%      
Spread (as a percent) [31],[33] 10.00%      
Principal [1],[31] $ 1,254      
Cost [1],[31] 1,254      
Fair value [3],[31] 1,254      
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Fair value $ 820 $ 1,170 $ 1,330 1,400
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Provider of Crane Rental and Operating Services, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   737    
Cost [2],[19]   $ 1,070    
Fair value [4],[19]   $ 1,170    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Provider of Crane Rental and Operating Services, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [32]   14.66%    
Spread (as a percent) [32],[34]   10.00%    
Principal [2],[32]   $ 1,254    
Cost [2],[32]   1,254    
Fair value [4],[32]   1,254    
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.48%   15.48%  
Spread (as a percent) 10.00%   10.00%  
Fair value $ 1,254 $ 1,254 $ 1,316 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) 0.52% [16] 0.52% [45]    
Cost $ 1,824 [1],[16] $ 1,899 [2],[45]    
Fair value $ 966 [3],[16] $ 1,039 [4],[45]    
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 1.17% [14],[16] 1.17% [45]    
Cost $ 6,987 [1],[14],[16] $ 8,064 [2],[45]    
Fair value $ 6,954 [3],[14],[16] $ 8,031 [4],[45]    
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 4 4    
Total Rate 6.00% 6.00%    
PIK Rate 6.00% [25] 6.00% [26]    
Cost $ 3,040 [1] $ 3,040 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 15.00% [27],[46] 15.00% [39],[40]    
PIK Rate 15.00% [25],[27],[46] 15.00% [26],[39],[40]    
Principal $ 4,903 [1],[27],[46] $ 4,291 [2],[39],[40]    
Cost 3,977 [1],[27],[46] 3,717 [2],[39],[40]    
Fair value $ 0 [3],[27],[46] $ 0 [4],[39],[40]    
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.00% [27],[46] 15.00% [39]    
PIK Rate 15.00% [25],[27],[46] 15.00% [26],[39]    
Principal $ 11 [1],[27],[46] $ 10 [2],[39]    
Cost 0 [1],[27],[46] 0 [2],[39]    
Fair value $ 0 [3],[27],[46] $ 0 [4],[39]    
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 15.00% [27],[46] 15.00% [39],[40]    
PIK Rate 15.00% [25],[27],[46] 15.00% [26],[39],[40]    
Principal $ 6,865 [1],[27],[46] $ 6,369 [2],[39],[40]    
Cost 4,078 [1],[27],[46] 4,078 [2],[39],[40]    
Fair value $ 0 [3],[27],[46] $ 0 [4],[39],[40]    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 9.19%      
Spread (as a percent) 5.00% [31],[33] 5.00% [32],[34],[36]    
Principal $ 1,136 [1],[31] $ 0 [2],[32],[36]    
Cost 1,131 [1],[31] (8) [2],[32],[36]    
Fair value $ 1,136 [3],[31] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.45% [31] 9.46% [32]    
Spread (as a percent) 5.00% [31],[33] 5.00% [32],[34]    
Principal $ 10,955 [1],[31] $ 11,575 [2],[32]    
Cost 10,869 [1],[31] 11,469 [2],[32]    
Fair value $ 10,955 [3],[31] $ 11,575 [4],[32]    
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 454,344 454,344    
Cost $ 454 [1] $ 454 [2]    
Fair value $ 744 [3] $ 513 [4]    
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 126,446 126,446    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.00% [31],[33],[35] 6.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (25) [1],[31],[35] (31) [2],[32],[36]    
Fair value $ (25) [3],[31],[35] $ (31) [4],[32],[36]    
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 11.40%      
Spread (as a percent) 7.00% [31],[33] 6.75% [32],[34],[36]    
Principal $ 7,031 [1],[31] $ 0 [2],[32],[36]    
Cost 6,908 [1],[31] (31) [2],[32],[36]    
Fair value $ 7,031 [3],[31] $ (31) [4],[32],[36]    
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   11.18%    
Spread (as a percent) [32],[34]   6.75%    
Principal [2],[32]   $ 7,219    
Cost [2],[32]   7,064    
Fair value [4],[32]   $ 7,169    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 57,402 50,000    
Cost $ 574 [1] $ 500 [2]    
Fair value $ 580 [3] $ 530 [4]    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32]   10.56%    
Spread (as a percent) 6.00% [31],[33],[35] 6.00% [32],[34]    
Principal $ 0 [1],[31],[35] $ 100 [2],[32]    
Cost (7) [1],[31],[35] 97 [2],[32]    
Fair value $ (7) [3],[31],[35] $ 97 [4],[32]    
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% 12.50%    
Principal $ 2,432 [1] $ 2,160 [2]    
Cost 2,365 [1] 2,134 [2]    
Fair value $ 2,365 [3] 2,134 [4]    
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [12] 105,856      
Cost $ 106 [1],[12] 80 [2],[13]    
Fair value $ 210 [3],[12] $ 160 [4],[13]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 368 [14] 368 [19]    
Cost $ 404 [1],[14] $ 404 [2],[19]    
Fair value 2,080 [3],[14] 1,610 [4],[19]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [1],[35] 0 [2],[36]    
Cost (2) [1],[35] (3) [2],[36]    
Fair value $ 0 [3],[35] $ 0 [4],[36]    
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.00% 15.00%    
Principal $ 2,390 [1] $ 2,390 [2]    
Cost 2,371 [1] 2,364 [2]    
Fair value $ 2,390 [3] $ 2,390 [4]    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 3,471 3,471    
Cost $ 1,596 [1] $ 1,596 [2]    
Fair value $ 4,140 [3] $ 3,110 [4]    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   13.66%    
Spread (as a percent) [32],[34]   9.00%    
Principal [2],[32]   $ 6,384    
Cost [2],[32]   6,356    
Fair value [4],[32]   $ 6,384    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Fair value     $ 2,880 2,760
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 10.00% [31],[33],[35] 6.00% [32],[34],[36] 10.00%  
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost 0 [1],[31],[35] (26) [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36] $ 0 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   12.74% [32] 15.48%  
Spread (as a percent)   8.00% [32],[34] 10.00%  
Principal [2],[32]   $ 3,905    
Cost [2],[32]   3,904    
Fair value   3,905 [4],[32] $ 5,116 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1        
Schedule of Investments [Line Items]        
Total Rate 14.48%      
Spread (as a percent) 10.00%      
Fair value $ 6,116 6,384    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Fair value $ 4,140 $ 3,110 0 4,394
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC,Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   9.00%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   0    
Fair value [4],[32],[36]   $ 0    
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC,Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 14.48%      
Spread (as a percent) [31],[33] 10.00%      
Principal [1],[31] $ 6,116      
Cost [1],[31] 6,095      
Fair value [3],[31] $ 6,116      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 1,087      
Cost [1],[14] $ 2,860      
Fair value [3],[14] $ 8,070      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14],[42] 261,786      
Cost [1],[14],[42] $ 443      
Fair value [3],[14],[42] $ 923      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 6.00%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (15)      
Fair value [3],[31],[35] $ 0      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 12.49%      
Spread (as a percent) [31],[33] 8.00%      
Principal [1],[31] $ 4,705      
Cost [1],[31] 4,701      
Fair value [3],[31] 4,705      
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   1,087    
Cost [2],[19]   $ 2,860    
Fair value 8,070 $ 8,280 [4],[19] 7,510 7,330
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19],[43]   261,786    
Cost [2],[19],[43]   $ 443    
Fair value $ 923 888 [4],[19],[43] $ 788 715
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00%   6.00%  
Fair value $ 0 0 $ 0 0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.49%   13.49%  
Spread (as a percent) 8.00%   8.00%  
Fair value $ 4,705 $ 3,905 $ 3,905 3,905
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.57% [30],[31] 11.53% [32],[41]    
Spread (as a percent) 7.00% [30],[31],[33] 7.00% [32],[34],[41]    
Principal $ 400 [1],[30],[31] $ 467 [2],[32],[41]    
Cost 392 [1],[30],[31] 456 [2],[32],[41]    
Fair value $ 398 [3],[30],[31] $ 444 [4],[32],[41]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.55% [31] 11.93% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 3,309 [1],[31] $ 3,326 [2],[32]    
Cost 3,287 [1],[31] 3,297 [2],[32]    
Fair value $ 3,287 [3],[31] $ 3,166 [4],[32]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.55% [31] 11.93% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 183 [1],[31] $ 184 [2],[32]    
Cost 182 [1],[31] 183 [2],[32]    
Fair value $ 182 [3],[31] $ 175 [4],[32]    
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.55% [31] 11.93% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 443 [1],[31] $ 445 [2],[32]    
Cost 438 [1],[31] 439 [2],[32]    
Fair value 440 [3],[31] $ 424 [4],[32]    
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   457    
Cost [2],[19]   $ 491    
Fair value $ 3,840 $ 3,900 [4],[19] 3,900 3,920
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 179      
Cost [1],[14] $ 1,820      
Fair value [3],[14] 3,070      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] 0      
Fair value [3],[35] $ 0      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Principal [1] $ 238      
Cost [1] 236      
Fair value [3] 238      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   179    
Cost [2],[19]   $ 1,820    
Fair value 3,070 $ 2,750 [4],[19] 1,550 1,300
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [43]   200    
Cost [2],[43]   $ 127    
Fair value 317 237 [4],[43] 237 282
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [2],[36]   0    
Cost [2],[36]   0    
Fair value [4],[36]   0    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1.1        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0 $ 0 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   9.00%    
Principal [2]   $ 1,690    
Cost [2]   1,681    
Fair value [4]   1,690    
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1        
Schedule of Investments [Line Items]        
Total Rate 9.00%   11.50%  
Fair value $ 1,570 $ 1,690 $ 1,948 2,103
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 243    
Cost [2]   242    
Fair value $ 238 243 [4] $ 246 251
Investment, Identifier [Axis]: Clad-Rex Steel, LLC,, Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [42] 200      
Cost [1],[42] $ 127      
Fair value [3],[42] $ 317      
Investment, Identifier [Axis]: Clad-Rex Steel, LLC,, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.00%      
Principal [1] $ 1,570      
Cost [1] 1,562      
Fair value [3] 1,570      
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Principal 2,653 [1],[12],[27],[46] 2,666 [2],[13],[39],[40]    
Cost 2,309 [1],[12],[27],[46] 2,321 [2],[13],[39],[40]    
Fair value $ 8 [3],[12],[27],[46] $ 19 [4],[13],[39],[40]    
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 39 39 [19]    
Cost $ 0 [1] $ 0 [2],[19]    
Fair value $ 490 [3] $ 710 [4],[19]    
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14],[42] 147      
Cost [1],[14],[42] $ 2,079      
Fair value [3],[14],[42] 16,790      
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19],[43]   147    
Cost [2],[19],[43]   $ 2,079    
Fair value $ 16,790 16,950 [4],[19],[43] 18,621 18,120
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
Principal $ 703 [1] 0 [2],[36]    
Cost 698 [1] (3) [2],[36]    
Fair value $ 703 [3] $ 0 [4],[36] $ 0 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% 12.50% 12.50%  
Principal $ 6,213 [1] $ 6,598 [2]    
Cost 6,203 [1] 6,585 [2]    
Fair value 6,213 [3] $ 6,598 [4] $ 6,881 7,111
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] 0      
Fair value [3],[35] $ 0      
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Principal [1] $ 2,874      
Cost [1] 2,862      
Fair value [3] $ 2,874      
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 4,320      
Cost [1],[14] $ 1,920      
Fair value [3],[14] 3,820      
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   4,320    
Cost [2],[19]   $ 1,920    
Fair value [4],[19]   3,390    
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Fair value 3,820 3,390 0 600
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Fair value     2,940 1,920
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [2],[36]   0    
Cost [2],[36]   0    
Fair value $ 0 $ 0 [4],[36] $ 0 0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00% 12.00%  
Principal [2]   $ 3,578    
Cost [2]   3,554    
Fair value $ 2,874 $ 3,578 [4] $ 4,535 5,407
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] (14)      
Fair value [3],[35] $ (14)      
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50%      
Principal [1] $ 4,300      
Cost [1] 4,213      
Fair value [3] $ 4,236      
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,863 1,863    
Cost $ 1,863 [1] $ 1,863 [2]    
Fair value 1,863 [3] 1,860 [4] $ 1,980 1,863
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     13.50%  
Principal [2],[36]   0    
Cost [2],[36]   (16)    
Fair value $ (14) $ (16) [4],[36] $ 388 0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% 13.50% 13.50%  
Principal [2]   $ 4,300    
Cost [2]   4,201    
Fair value $ 4,236 $ 4,201 [4] $ 4,188 4,175
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.69% [30],[31] 12.93% [32],[41]    
Spread (as a percent) 8.25% [30],[31],[33] 8.25% [32],[34],[41]    
PIK Rate [25],[30],[31] 12.69%      
Principal $ 6,937 [1],[30],[31] $ 6,531 [2],[32],[41]    
Cost 6,890 [1],[30],[31] 6,461 [2],[32],[41]    
Fair value $ 6,354 [3],[30],[31] $ 6,118 [4],[32],[41]    
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 12.70%      
Spread (as a percent) 8.25% [31],[33] 8.25% [32],[34],[36]    
PIK Rate [25],[31] 12.70%      
Principal $ 16,906 [1],[31] $ 0 [2],[32],[36]    
Cost 16,803 [1],[31] (42) [2],[32],[36]    
Fair value $ 15,486 [3],[31] $ (42) [4],[32],[36]    
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   12.92%    
Spread (as a percent) [32],[34]   8.25%    
Principal [2],[32]   $ 15,807    
Cost [2],[32]   15,656    
Fair value [4],[32]   $ 14,807    
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,478 2,478    
Cost $ 1,400 [1] $ 1,400 [2]    
Fair value $ 1,400 [3] $ 1,400 [4]    
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 2,824 [1] $ 3,064 [2]    
Cost 2,751 [1] 2,977 [2]    
Fair value $ 2,751 [3] $ 2,977 [4]    
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)        
Schedule of Investments [Line Items]        
Units (as a percent) 38.75% [15],[16],[17] 38.75% [18],[24],[45]    
Cost $ 640 [1],[15],[16],[17] $ 655 [2],[18],[24],[45]    
Fair value $ 514 [3],[15],[16],[17] $ 530 [4],[18],[24],[45] 568 568
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.83% [30],[31] 10.39% [32]    
Spread (as a percent) 6.50% [30],[31],[33] 6.00% [32],[34]    
Principal $ 449 [1],[30],[31] $ 449 [2],[32]    
Cost 430 [1],[30],[31] 427 [2],[32]    
Fair value $ 449 [3],[30],[31] $ 440 [4],[32]    
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.36% [32]    
Spread (as a percent) 6.50% [31],[33] 6.00% [32],[34]    
Principal $ 2,856 [1],[31] $ 2,877 [2],[32]    
Cost 2,801 [1],[31] 2,816 [2],[32]    
Fair value $ 2,856 [3],[31] $ 2,824 [4],[32]    
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.40% [32]    
Spread (as a percent) 6.50% [31],[33] 6.00% [32],[34]    
Principal $ 1,904 [1],[31] $ 1,913 [2],[32]    
Cost 1,873 [1],[31] 1,878 [2],[32]    
Fair value $ 1,904 [3],[31] $ 1,878 [4],[32]    
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.08% [31] 10.61% [32]    
Spread (as a percent) 6.75% [31],[33] 6.25% [32],[34]    
Principal $ 8,589 [1],[31] $ 8,611 [2],[32]    
Cost 8,418 [1],[31] 8,417 [2],[32]    
Fair value $ 8,618 [3],[31] $ 8,109 [4],[32]    
Investment, Identifier [Axis]: Creative Foam Corporation, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,862      
Cost [1] $ 286      
Fair value [3] $ 286      
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.25% [31],[33],[35] 5.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (25) [1],[31],[35] (28) [2],[32],[36]    
Fair value $ (25) [3],[31],[35] $ (28) [4],[32],[36]    
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.55% [31] 10.11% [32]    
Spread (as a percent) 6.25% [31],[33] 5.75% [32],[34]    
Principal $ 10,675 [1],[31] $ 10,801 [2],[32]    
Cost 10,506 [1],[31] 10,610 [2],[32]    
Fair value $ 10,675 [3],[31] $ 10,694 [4],[32]    
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 10.57%      
Spread (as a percent) [31],[33] 6.25%      
Principal [1],[31] $ 16,999      
Cost [1],[31] 16,681      
Fair value [3],[31] 16,999      
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   1,486    
Cost [2]   $ 1,486    
Fair value $ 1,576 $ 1,486 [4]    
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   767    
Total Rate 15.00% 15.00% [19]    
PIK Rate 15.00% 15.00% [19],[26]    
Cost [2],[19]   $ 810    
Fair value $ 921 $ 810 [4],[19]    
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
Principal [2]   $ 140    
Cost [2]   138    
Fair value $ 138 $ 138 [4]    
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
Principal [2]   $ 4,200    
Cost [2]   4,161    
Fair value $ 4,166 $ 4,161 [4]    
Investment, Identifier [Axis]: DMA Industries, LLC. Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,486      
Cost [1] $ 1,486      
Fair value [3] $ 1,576      
Investment, Identifier [Axis]: DMA Industries, LLC. Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 767      
Total Rate [14] 15.00%      
PIK Rate [14],[25] 15.00%      
Cost [1],[14] $ 871      
Fair value [3],[14] $ 921      
Investment, Identifier [Axis]: DMA Industries, LLC. Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Principal [1] $ 4,200      
Cost [1] 4,166      
Fair value [3] $ 4,166      
Investment, Identifier [Axis]: DMA Industries, LLC., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Principal [1] $ 140      
Cost [1] 138      
Fair value [3] $ 138      
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 776,316 776,316    
Total Rate 8.00% 8.00%    
PIK Rate 8.00% [25] 8.00% [26]    
Cost $ 776 [1] $ 776 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% [19]    
PIK Rate 10.00% [25] 10.00% [19],[26]    
Cost $ 1,316 [1] $ 1,316 [2],[19]    
Fair value $ 0 [3] $ 438 [4],[19]    
Investment, Identifier [Axis]: Dalton US Inc., Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 37 [12] 37 [13]    
Cost $ 52 [1],[12] $ 52 [2],[13]    
Fair value $ 50 [3],[12] $ 50 [4],[13]    
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,040      
Cost [1] $ 330      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Principal [1] $ 883      
Cost [1] 873      
Fair value [3] $ 799      
Investment, Identifier [Axis]: Datacom, LLC, , Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 7.50%      
Principal [1] $ 75      
Cost [1] 74      
Fair value [3] 74      
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   1,000    
Cost [2]   $ 290    
Fair value $ 0 $ 30 [4] $ 20 10
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 7.50% 7.50% 7.50%  
Principal [2]   $ 55    
Cost [2]   55    
Fair value $ 74 $ 55 [4] $ 29 49
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 898    
Cost [2]   878    
Fair value $ 799 $ 878 [4] $ 840 844
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 964      
Cost [1],[14] $ 2,375      
Fair value [3],[14] $ 2,459      
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [31] 14.38%      
Spread (as a percent) [31],[33] 10.00%      
Principal [1],[31] $ 2,989      
Cost [1],[31] 2,981      
Fair value [3],[31] 2,945      
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   964    
Cost [2],[19]   $ 2,375    
Fair value $ 2,459 $ 2,459 [4],[19] $ 2,460 2,459
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.38% 14.56% [32] 15.38%  
Spread (as a percent) 10.00% 10.00% [32],[34] 10.00%  
Principal [2],[32]   $ 3,154    
Cost [2],[32]   3,140    
Fair value $ 2,945 $ 3,105 [4],[32] $ 3,318 3,673
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,100      
Cost [1] $ 2,100      
Fair value [3] 4,620      
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   2,100    
Cost [2]   $ 2,100    
Fair value 4,620 4,480 [4] 4,900 5,180
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [1],[35] 0 [2],[36]    
Cost (1) [1],[35] (2) [2],[36]    
Fair value $ 0 [3],[35] $ 0 [4],[36] $ 0 217
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 14.00% 14.00% 14.00%  
Principal $ 4,501 [1] $ 4,668 [2]    
Cost 4,495 [1] 4,656 [2]    
Fair value $ 4,501 [3] $ 4,668 [4] $ 4,835 5,002
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,250,000 1,250,000    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 125,000 125,000    
Cost $ 128 [1] $ 128 [2]    
Fair value $ 110 [3] $ 60 [4]    
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,376,241 2,376,241    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.43% [31] 11.46% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
PIK Rate 11.43% [25],[31] 11.46% [26],[32]    
Principal $ 2,456 [1],[31] $ 2,318 [2],[32]    
Cost 2,298 [1],[31] 2,160 [2],[32]    
Fair value $ 2,414 [3],[31] $ 2,220 [4],[32]    
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.43% [31] 13.46% [32]    
Spread (as a percent) 8.00% [31],[33] 9.00% [32],[34]    
PIK Rate [25],[31] 13.46% [26],[32]    
Principal $ 2,493 [1],[31] $ 2,413 [2],[32]    
Cost 2,259 [1],[31] 2,179 [2],[32]    
Fair value $ 2,383 [3],[31] $ 2,219 [4],[32]    
Investment, Identifier [Axis]: Electro Technical Industries, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 6.00%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (81)      
Fair value [3],[31],[35] $ (81)      
Investment, Identifier [Axis]: Electro Technical Industries, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 714,286      
Cost [1] $ 714      
Fair value [3] $ 714      
Investment, Identifier [Axis]: Electro Technical Industries, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 10.33%      
Spread (as a percent) [31],[33] 6.00%      
Principal [1],[31] $ 24,778      
Cost [1],[31] 24,311      
Fair value [3],[31] $ 24,530      
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 19 19    
Cost $ 374 [1] $ 374 [2]    
Fair value $ 340 [3] $ 370 [4]    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 61 [42] 61 [43]    
Cost $ 102 [1],[42] $ 102 [2],[43]    
Fair value $ 207 [3],[42] $ 199 [4],[43]    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [31],[33],[35] 6.00% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost 0 [1],[31],[35] 0 [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
Principal $ 1,149 [1] $ 1,181 [2]    
Cost 1,134 [1] 1,162 [2]    
Fair value $ 1,134 [3] $ 1,162 [4]    
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.00% 9.00%    
Principal $ 408 [1] $ 409 [2]    
Cost 404 [1] 406 [2]    
Fair value $ 404 [3] $ 406 [4]    
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.73% [20],[31] 10.71% [32]    
Spread (as a percent) 6.25% [20],[31],[33] 6.25% [32],[34]    
Principal $ 2,297 [1],[20],[31] $ 2,328 [2],[32]    
Cost 2,276 [1],[20],[31] 2,303 [2],[32]    
Fair value $ 1,608 [3],[20],[31] $ 1,863 [4],[32]    
Investment, Identifier [Axis]: Escalent, Inc., Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 170,998 [14] 170,998    
Cost $ 174 [1],[14] $ 174 [2]    
Fair value $ 240 [3],[14] $ 240 [4]    
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [31],[33],[35] 8.00% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (7) [1],[31],[35] (7) [2],[32],[36]    
Fair value $ (7) [3],[31],[35] $ (7) [4],[32],[36]    
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.30% [31] 12.39% [32]    
Spread (as a percent) 6.00% [31],[33] 8.00% [32],[34]    
Principal $ 362 [1],[31] $ 364 [2],[32]    
Cost 357 [1],[31] 358 [2],[32]    
Fair value $ 362 [3],[31] $ 358 [4],[32]    
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.30% [31] 12.43% [32]    
Spread (as a percent) 6.00% [31],[33] 8.00% [32],[34]    
Principal $ 6,820 [1],[31] $ 6,855 [2],[32]    
Cost 6,690 [1],[31] 6,707 [2],[32]    
Fair value $ 6,820 [3],[31] $ 6,855 [4],[32]    
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.56% [31] 12.59% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
Principal $ 308 [1],[31] $ 308 [2],[32]    
Cost 307 [1],[31] 306 [2],[32]    
Fair value $ 308 [3],[31] $ 308 [4],[32]    
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.56% [31] 12.59% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
PIK Rate 4.00% [25],[31] 6.00% [26],[32]    
Principal $ 4,026 [1],[31] $ 3,969 [2],[32]    
Cost 4,015 [1],[31] 3,955 [2],[32]    
Fair value $ 4,026 [3],[31] $ 3,969 [4],[32]    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 7,995 [1] $ 8,200 [2]    
Cost 7,073 [1] 7,135 [2]    
Fair value $ 7,995 [3] $ 7,135 [4]    
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 3 [14],[28] 3 [29]    
Cost $ 980 [1],[14],[28] $ 980 [2],[29]    
Fair value 3,660 [3],[14],[28] 2,710 [4],[29]    
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III        
Schedule of Investments [Line Items]        
Cost 5,420 [1],[47] 2,099 [2],[4],[48]    
Fair value $ 5,420 [3],[47] $ 2,099 [4],[48]    
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z        
Schedule of Investments [Line Items]        
Total Rate 4.17% 4.41%    
Cost $ 16,519 [1],[49] $ 12,261 [2],[50]    
Fair value $ 16,519 [3],[49] $ 12,261 [4],[50]    
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,340 [14] 2,340 [19]    
Cost $ 2,600 [1],[14] $ 2,600 [2],[19]    
Fair value 10,340 [3],[14] 8,980 [4],[19] 8,940 6,970
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity 1        
Schedule of Investments [Line Items]        
Fair value $ 10,340 8,980    
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity 2        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Fair value $ 16,175 $ 0    
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
Principal [1] $ 16,500      
Cost [1] 16,175      
Fair value [3] 16,175      
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)        
Schedule of Investments [Line Items]        
Units (as a percent) [18],[19],[24],[45]   5.95%    
Cost [2],[18],[19],[24],[45]   $ 1,659    
Fair value $ 193 $ 1,263 [4],[18],[19],[24],[45] 2,596 3,705
Investment, Identifier [Axis]: GFG Group, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 56      
Cost [1],[14] $ 1,225      
Fair value [3],[14] $ 2,530      
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 8.00%      
Principal [1] $ 2,313      
Cost [1] 2,313      
Fair value [3] $ 2,313      
Investment, Identifier [Axis]: GFG Group, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Units (as a percent) [19]   56.39%    
Total Rate 8.00%      
Cost [2],[19]   $ 1,225    
Fair value $ 2,530 $ 2,640 [4],[19] $ 2,460 2,870
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate   8.00% 8.00%  
Principal [2]   $ 2,046    
Cost [2]   2,030    
Fair value   2,046 [4] $ 2,336 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 $ 2,313 $ 0    
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.48%      
Spread (as a percent) [33] 6.00%      
Principal [1] $ 1,550      
Cost [1] 1,542      
Fair value [3] $ 1,550      
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.48%      
Spread (as a percent) [33] 8.00%      
Principal [1] $ 19,944      
Cost [1] 19,877      
Fair value [3] $ 19,944      
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,896 [14] 2,896    
Cost $ 6,435 [1],[14] $ 6,435 [2]    
Fair value $ 23,060 [3],[14] $ 22,600 [4] $ 21,889 21,890
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.48% 10.66% 11.48%  
Spread (as a percent) 6.00% 6.00% [34] 6.00%  
Principal [2]   $ 1,550    
Cost [2]   1,539    
Fair value $ 1,550 $ 1,550 [4] $ 1,550 1,182
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.48% 12.66% 13.48%  
Spread (as a percent) 8.00% 8.00% [34] 8.00%  
Principal [2]   $ 19,944    
Cost [2]   19,852    
Fair value $ 19,944 $ 19,944 [4] $ 19,944 19,944
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 2,261      
Cost [1],[14] $ 4,423      
Fair value [3],[14] 28,690      
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   2,261    
Cost [2],[19]   $ 4,423    
Fair value $ 28,690 $ 28,690 [4],[19] $ 26,640 24,180
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.50% [31],[33],[35],[51] 7.00% [32],[34],[36],[52] 7.50%  
Principal $ 0 [1],[31],[35],[51] $ 0 [2],[32],[36],[52]    
Cost 0 [1],[31],[35],[51] 0 [2],[32],[36],[52]    
Fair value $ 0 [3],[31],[35],[51] $ 0 [4],[32],[36],[52] $ 0 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.50% [31] 11.00% [32],[52]    
Spread (as a percent) 7.50% [31],[33] 7.00% [32],[34],[52]    
Principal $ 18,082 [1],[31] $ 18,282 [2],[32],[52]    
Cost 17,986 [1],[31] 18,166 [2],[32],[52]    
Fair value $ 18,082 [3],[31] 18,282 [4],[32],[52]    
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2.1        
Schedule of Investments [Line Items]        
Total Rate 11.50%   10.50%  
Spread (as a percent) 7.50%   7.50%  
Fair value $ 18,082 $ 18,282 $ 12,320 13,520
Investment, Identifier [Axis]: Garyline, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 210,084 210,084    
Cost $ 210 [1] $ 210 [2]    
Fair value $ 150 [3] $ 150 [4]    
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.32% [31] 11.29% [32],[41]    
Spread (as a percent) 7.00% [31],[33] 6.75% [32],[34],[41]    
Principal $ 917 [1],[31] $ 2,416 [2],[32],[41]    
Cost 890 [1],[31] 2,355 [2],[32],[41]    
Fair value $ 890 [3],[31] $ 2,416 [4],[32],[41]    
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.31% [31] 11.34% [32]    
Spread (as a percent) 7.00% [31],[33] 6.75% [32],[34]    
Principal $ 8,622 [1],[31] $ 9,567 [2],[32]    
Cost 8,466 [1],[31] 9,346 [2],[32]    
Fair value $ 8,466 [3],[31] $ 9,567 [4],[32]    
Investment, Identifier [Axis]: GradeEight Corp., Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 471 471    
Cost $ 471 [1] $ 471 [2]    
Fair value $ 370 [3] $ 471 [4]    
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 13.75%      
Spread (as a percent) 6.25% [31],[33] 7.25% [32],[34],[36]    
Principal $ 306 [1],[31] $ 0 [2],[32],[36]    
Cost 266 [1],[31] (45) [2],[32],[36]    
Fair value $ 299 [3],[31] $ (45) [4],[32],[36]    
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.25% [31],[33],[35] 7.25% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (20) [1],[31],[35] (22) [2],[32],[36]    
Fair value $ (20) [3],[31],[35] $ (22) [4],[32],[36]    
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.47% [31],[53] 11.74% [32]    
Spread (as a percent) 7.25% [31],[33],[53] 7.25% [32],[34]    
Principal $ 14,638 [1],[31],[53] $ 14,824 [2],[32]    
Cost 14,389 [1],[31],[53] 14,542 [2],[32]    
Fair value $ 14,320 [3],[31],[53] 14,542 [4],[32]    
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 920      
Cost [1] $ 920      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 15,930      
Cost [1] $ 1,400      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 9.50%   9.50%  
Fair value $ 0 0 $ 0 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [27]   12.50%  
PIK Rate     12.50%  
Principal [1],[27] $ 600      
Cost [1],[27] 548      
Fair value 469 [3],[27] $ 378 $ 487 571
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   920    
Cost [2]   $ 920    
Fair value 0 $ 0 [4] 0 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   15,930    
Cost [2]   $ 1,400    
Fair value $ 0 $ 0 [4] 0 620
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 9.50% [27],[31],[33],[35] 9.50% [32],[34],[36],[39]    
Principal $ 0 [1],[27],[31],[35] $ 0 [2],[32],[36],[39]    
Cost 0 [1],[27],[31],[35] 0 [2],[32],[36],[39]    
Fair value $ 0 [3],[27],[31],[35] $ 0 [4],[32],[36],[39]    
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [39]   12.50%    
PIK Rate [26],[39]   12.50%    
Principal [2],[39]   $ 600    
Cost [2],[39]   581    
Fair value [4],[39]   $ 378    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 35,971 35,971    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.56% [31] 8.75% [32]    
Spread (as a percent) 9.00% [31],[33] 3.50% [32],[34]    
PIK Rate [26],[32]   2.50%    
Principal $ 38 [1],[31] $ 1,361 [2],[32]    
Cost 38 [1],[31] 1,307 [2],[32]    
Fair value $ 38 [3],[31] $ 1,307 [4],[32]    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.01% [31] 2.50% [39]    
Spread (as a percent) [31],[33] 3.50%      
PIK Rate 9.01% [25],[31] 2.50% [26],[39]    
Principal $ 1,472 [1],[31] $ 914 [2],[39]    
Cost 1,436 [1],[31] 401 [2],[39]    
Fair value $ 1,348 [3],[31] $ 235 [4],[39]    
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [27] 2.50%      
PIK Rate [25],[27] 2.50%      
Principal [1],[27] $ 914      
Cost [1],[27] 401      
Fair value [3],[27] $ 10      
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.50% [31],[33],[35] 6.50% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (8) [1],[31],[35] (10) [2],[32],[36]    
Fair value $ (8) [3],[31],[35] $ (10) [4],[32],[36]    
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.86% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
Principal $ 1,965 [1],[31] $ 1,975 [2],[32]    
Cost 1,946 [1],[31] 1,951 [2],[32]    
Fair value $ 1,965 [3],[31] $ 1,975 [4],[32]    
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.86% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
Principal $ 1,390 [1],[31] $ 1,397 [2],[32]    
Cost 1,373 [1],[31] 1,362 [2],[32]    
Fair value $ 1,390 [3],[31] $ 1,396 [4],[32]    
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.86% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
Principal $ 4,850 [1],[31] $ 4,875 [2],[32]    
Cost 4,809 [1],[31] 4,824 [2],[32]    
Fair value $ 4,850 [3],[31] $ 4,875 [4],[32]    
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 10.83% [31] 10.86% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
Principal $ 2,370 [1],[31] $ 2,382 [2],[32]    
Cost 2,354 [1],[31] 2,363 [2],[32]    
Fair value 2,370 [3],[31] 2,382 [4],[32]    
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)        
Schedule of Investments [Line Items]        
Fair value $ 4,462 $ 4,472 4,322 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% [15],[16],[17] 49.30% [18],[19],[24],[45]    
Cost $ 1,158 [1],[15],[16],[17] $ 3,345 [2],[18],[19],[24],[45]    
Fair value $ 1,614 [3],[15],[16],[17] $ 8,740 [4],[18],[19],[24],[45] 8,991 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],[16],[17] 4.13%      
Cost [1],[15],[16],[17] $ 1,526      
Fair value [3],[15],[16],[17] $ 1,526      
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],[16],[17] 8.20% [18],[24],[45]    
Cost $ 2,092 [1],[15],[16],[17] $ 2,296 [2],[18],[24],[45]    
Fair value $ 4,462 [3],[15],[16],[17] $ 4,472 [4],[18],[24],[45]    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 56 [14] 56 [19]    
Cost $ 713 [1],[14] $ 713 [2],[19]    
Fair value $ 5,680 [3],[14] $ 5,060 [4],[19]    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 56 [42] 56 [43]    
Cost $ 38 [1],[42] $ 38 [2],[43]    
Fair value $ 300 [3],[42] $ 270 [4],[43]    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.48% [31] 10.73% [32]    
Spread (as a percent) 6.00% [31],[33] 6.00% [32],[34]    
Principal $ 622 [1],[31] $ 661 [2],[32]    
Cost 622 [1],[31] 661 [2],[32]    
Fair value $ 622 [3],[31] $ 661 [4],[32]    
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% 12.50%    
Principal $ 9,744 [1] $ 9,744 [2]    
Cost 9,731 [1] 9,721 [2]    
Fair value $ 9,744 [3] $ 9,744 [4]    
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.80% [30],[31] 9.92% [32]    
Spread (as a percent) 5.50% [30],[31],[33] 5.50% [32],[34]    
Principal $ 2,432 [1],[30],[31] $ 1,215 [2],[32]    
Cost 2,413 [1],[30],[31] 1,192 [2],[32]    
Fair value $ 2,419 [3],[30],[31] $ 1,204 [4],[32]    
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.78% [31] 10.11% [32]    
Spread (as a percent) 5.50% [31],[33] 5.50% [32],[34]    
Principal $ 16,382 [1],[31] $ 15,490 [2],[32]    
Cost 16,230 [1],[31] 15,338 [2],[32]    
Fair value $ 16,291 [3],[31] $ 15,338 [4],[32]    
Investment, Identifier [Axis]: Hybrid Promotions, LLC , Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.81% [12],[31] 13.10% [13],[32]    
Spread (as a percent) 8.25% [12],[31],[33] 8.25% [13],[32],[34]    
Principal $ 8,000 [1],[12],[31] $ 8,000 [2],[13],[32]    
Cost 7,882 [1],[12],[31] 7,859 [2],[13],[32]    
Fair value $ 8,000 [3],[12],[31] $ 8,000 [4],[13],[32]    
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 3,600      
Cost [1] $ 3,600      
Fair value [3] $ 4,890      
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Principal [1] $ 400      
Cost [1] 382      
Fair value [3] 400      
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   3,600    
Cost [2]   $ 3,600    
Fair value $ 4,890 $ 4,060 [4] 3,600 3,600
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal [2]   $ 400    
Cost [2]   379    
Fair value $ 400 $ 379 [4] $ (24) (27)
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00% 13.00%  
Principal $ 8,766 [1] $ 8,876 [2]    
Cost 8,610 [1] 8,693 [2]    
Fair value $ 8,766 [3] $ 8,693 [4] $ 8,881 9,069
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.75% [31],[33],[35] 5.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (6) [1],[31],[35] (8) [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.18% [31] 10.21% [32]    
Spread (as a percent) 5.75% [31],[33] 5.75% [32],[34]    
Principal $ 6,154 [1],[31] $ 6,154 [2],[32]    
Cost 6,110 [1],[31] 6,102 [2],[32]    
Fair value $ 6,154 [3],[31] $ 6,154 [4],[32]    
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.18% [31] 10.21% [32]    
Spread (as a percent) 5.75% [31],[33] 5.75% [32],[34]    
Principal $ 1,912 [1],[31] $ 1,922 [2],[32]    
Cost 1,899 [1],[31] 1,906 [2],[32]    
Fair value $ 1,912 [3],[31] $ 1,922 [4],[32]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.46% [31] 13.78% [32]    
Spread (as a percent) 8.00% [31],[33] 9.00% [32],[34]    
Principal $ 295 [1],[31] $ 295 [2],[32]    
Cost 291 [1],[31] 290 [2],[32]    
Fair value $ 295 [3],[31] $ 295 [4],[32]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   13.78%    
Spread (as a percent) 7.00% [31],[33],[35] 9.00% [32],[34]    
Principal $ 0 [1],[31],[35] $ 248 [2],[32]    
Cost 0 [1],[31],[35] 245 [2],[32]    
Fair value $ 0 [3],[31],[35] $ 248 [4],[32]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.46% [31] 12.78% [32]    
Spread (as a percent) 7.00% [31],[33] 8.00% [32],[34]    
Principal $ 1,234 [1],[31] $ 1,110 [2],[32]    
Cost 1,096 [1],[31] 937 [2],[32]    
Fair value $ 1,234 [3],[31] $ 1,110 [4],[32]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 13.46% [31] 14.78% [32]    
Spread (as a percent) 9.00% [31],[33] 10.00% [32],[34]    
Principal $ 1,234 [1],[31] $ 1,110 [2],[32]    
Cost 1,096 [1],[31] 937 [2],[32]    
Fair value $ 1,234 [3],[31] $ 1,110 [4],[32]    
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate [31] 11.46%      
Spread (as a percent) [31],[33] 7.00%      
Principal [1],[31] $ 443      
Cost [1],[31] 438      
Fair value [3],[31] $ 443      
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 48,327 [14],[28] 48,327 [29]    
Cost $ 523 [1],[14],[28] $ 523 [2],[29]    
Fair value $ 2,460 [3],[14],[28] $ 1,420 [4],[29]    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 422 [12] 422    
Cost $ 580 [1],[12] $ 580 [2]    
Fair value $ 490 [3],[12] $ 510 [4]    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32],[41]   11.39%    
Spread (as a percent) [32],[34],[41]   7.00%    
Principal [2],[32],[41]   $ 791    
Cost [2],[32],[41]   791    
Fair value [4],[32],[41]   $ 791    
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   11.62%    
Spread (as a percent) [32],[34]   7.00%    
Principal [2],[32]   $ 10,280    
Cost [2],[32]   10,034    
Fair value [4],[32]   $ 10,280    
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [13],[32]   13.73%    
Spread (as a percent) [13],[32],[34]   7.75%    
PIK Rate [13],[26],[32]   1.50%    
Principal [2],[13],[32]   $ 17,066    
Cost [2],[13],[32]   17,066    
Fair value [4],[13],[32]   $ 14,524    
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 10.45%      
Spread (as a percent) [31],[33] 6.00%      
Principal [1],[31] $ 776      
Cost [1],[31] 776      
Fair value [3],[31] $ 776      
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [27],[31] 13.70%      
Spread (as a percent) [27],[31],[33] 7.75%      
Principal [1],[27],[31] $ 17,023      
Cost [1],[27],[31] 17,023      
Fair value [3],[27],[31] $ 10,236      
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 6,436,566 [12] 6,436,566 [13]    
Cost $ 6,540 [1],[12] $ 6,540 [2],[13]    
Fair value $ 7,060 [3],[12] $ 7,290 [4],[13] 6,470 6,320
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 21,840 [14] 21,840 [19]    
Cost $ 1,092 [1],[14] $ 1,092 [2],[19]    
Fair value $ 2,180 [3],[14] $ 2,310 [4],[19]    
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
Principal $ 4,093 [1] $ 3,763 [2]    
Cost 4,087 [1] 3,714 [2]    
Fair value $ 4,093 [3] $ 3,763 [4]    
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 47,847 47,847    
Cost $ 239 [1] $ 239 [2]    
Fair value $ 120 [3] $ 120 [4]    
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.25% [31],[33],[35] 6.25% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (27) [1],[31],[35] (32) [2],[32],[36]    
Fair value $ (27) [3],[31],[35] $ (32) [4],[32],[36]    
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   6.25%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (27)    
Fair value [4],[32],[36]   $ (27)    
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 10.52%      
Spread (as a percent) [31],[33] 6.25%      
Principal [1],[31] $ 16,656      
Cost [1],[31] 16,464      
Fair value [3],[31] $ 15,729      
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   10.87%    
Spread (as a percent) [32],[34]   6.25%    
Principal [2],[32]   $ 8,289    
Cost [2],[32]   8,100    
Fair value [4],[32]   $ 7,869    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [30],[31] 14.42%      
Spread (as a percent) [30],[31],[33] 10.00%      
PIK Rate [25],[30],[31] 2.00%      
Principal [1],[30],[31] $ 727      
Cost [1],[30],[31] 716      
Fair value [3],[30],[31] $ 678      
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 14.42%      
Spread (as a percent) [31],[33] 10.00%      
PIK Rate [25],[31] 2.00%      
Principal [1],[31] $ 6,242      
Cost [1],[31] 6,152      
Fair value [3],[31] $ 5,823      
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 14.42%      
Spread (as a percent) [31],[33] 10.00%      
PIK Rate [25],[31] 2.00%      
Principal [1],[31] $ 1,257      
Cost [1],[31] 1,239      
Fair value [3],[31] $ 1,173      
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [31] 14.42%      
Spread (as a percent) [31],[33] 10.00%      
PIK Rate [25],[31] 2.00%      
Principal [1],[31] $ 290      
Cost [1],[31] 290      
Fair value [3],[31] $ 271      
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 137,302 128,727    
Cost $ 358 [1] $ 349 [2]    
Fair value $ 30 [3] $ 21 [4]    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32],[41]   14.69%    
Spread (as a percent) [32],[34],[41]   10.00%    
Principal [2],[32],[41]   $ 677    
Cost [2],[32],[41]   664    
Fair value [4],[32],[41]   $ 620    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   14.58%    
Spread (as a percent) [32],[34]   10.00%    
Principal [2],[32]   $ 6,198    
Cost [2],[32]   6,091    
Fair value [4],[32]   $ 5,681    
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   14.58%    
Spread (as a percent) [32],[34]   10.00%    
Principal [2],[32]   $ 1,248    
Cost [2],[32]   1,227    
Fair value [4],[32]   $ 1,144    
Investment, Identifier [Axis]: Integral Energy Services, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 11,647      
Cost [1] $ 1,584      
Fair value [3] 810      
Investment, Identifier [Axis]: Integral Energy Services, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   11,647    
Cost [2]   $ 1,584    
Fair value $ 810 $ 640 [4] $ 640 190
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   3,725    
Total Rate   10.00% [19] 10.00%  
PIK Rate   10.00% [19],[26] 10.00%  
Cost [2],[19]   $ 297    
Fair value   535 [4],[19] $ 520 350
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 3,725      
Total Rate [14] 10.00%      
PIK Rate [14],[25] 10.00%      
Cost [1],[14] $ 312      
Fair value $ 610 [3],[14] 535    
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,246      
Total Rate 10.00%      
PIK Rate [25] 10.00%      
Cost [1] $ 133      
Fair value $ 230 [3] $ 0    
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.06% 12.35% [32] 13.06%  
Spread (as a percent) 7.50% 7.50% [32],[34] 7.50%  
Principal [2],[32]   $ 15,090    
Cost [2],[32]   14,986    
Fair value $ 13,937 $ 14,872 [4],[32] $ 14,839 16,232
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [31] 12.06%      
Spread (as a percent) [31],[33] 7.50%      
Principal [1],[31] $ 14,340      
Cost [1],[31] 14,269      
Fair value [3],[31] $ 13,937      
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,143 2,143    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 14.43% [30],[46] 14.54% [40],[41]    
Spread (as a percent) 10.00% [30],[33],[46] 10.00% [34],[40],[41]    
PIK Rate 14.43% [25],[30],[46] 14.54% [26],[40],[41]    
Principal $ 2,228 [1],[30],[46] $ 2,075 [2],[40],[41]    
Cost 2,228 [1],[30],[46] 2,075 [2],[40],[41]    
Fair value $ 1,850 [3],[30],[46] $ 1,580 [4],[40],[41]    
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.43% [27],[31],[46] 11.67% [32],[39],[40]    
Spread (as a percent) 7.00% [27],[31],[33],[46] 7.00% [32],[34],[39],[40]    
PIK Rate 11.43% [25],[27],[31],[46] 11.67% [26],[32],[39],[40]    
Principal $ 7,334 [1],[27],[31],[46] $ 7,334 [2],[32],[39],[40]    
Cost 7,254 [1],[27],[31],[46] 7,254 [2],[32],[39],[40]    
Fair value $ 11 [3],[27],[31],[46] $ 13 [4],[32],[39],[40]    
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.98% [30],[31] 12.01% [32],[41]    
Spread (as a percent) 7.50% [30],[31],[33] 7.50% [32],[34],[41]    
Principal $ 1,037 [1],[30],[31] $ 1,037 [2],[32],[41]    
Cost 1,034 [1],[30],[31] 1,033 [2],[32],[41]    
Fair value $ 963 [3],[30],[31] $ 996 [4],[32],[41]    
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.98% [31] 12.01% [32]    
Spread (as a percent) 7.50% [31],[33] 7.50% [32],[34]    
Principal $ 16,535 [1],[31] $ 16,771 [2],[32]    
Cost 16,485 [1],[31] 16,704 [2],[32]    
Fair value $ 15,347 [3],[31] $ 16,098 [4],[32]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 50,753 50,753    
Cost $ 689 [1] $ 689 [2]    
Fair value $ 680 [3] $ 710 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 178 177,800    
Total Rate 25.00% 25.00%    
PIK Rate 25.00% [25] 25.00% [26]    
Cost $ 178 [1] $ 178 [2]    
Fair value $ 230 [3] $ 190 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 1,128 [1] $ 1,128 [2]    
Cost 1,116 [1] 1,113 [2]    
Fair value $ 1,116 [3] $ 1,113 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 735 [1] $ 735 [2]    
Cost 727 [1] 725 [2]    
Fair value $ 727 [3] $ 725 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 2,236 [1] $ 2,236 [2]    
Cost 2,236 [1] 2,236 [2]    
Fair value $ 2,236 [3] $ 2,236 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 4,406 [1] $ 4,406 [2]    
Cost 4,354 [1] 4,344 [2]    
Fair value $ 4,354 [3] $ 4,344 [4]    
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 2,389 [1] $ 2,461 [2]    
Cost 2,322 [1] 2,379 [2]    
Fair value $ 2,322 [3] $ 2,379 [4]    
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 186,322 186,322    
Cost $ 0 [1] $ 0 [2]    
Fair value $ 0 [3] $ 0 [4]    
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 2.50% [31],[54] 11.25% [32]    
Spread (as a percent) [32],[34]   6.60%    
PIK Rate [26],[32]   8.75%    
Principal $ 2,962 [1],[31],[54] $ 2,962 [2],[32]    
Cost 2,802 [1],[31],[54] 2,778 [2],[32]    
Fair value $ 429 [3],[31],[54] $ 622 [4],[32]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 11.57%      
Spread (as a percent) 7.00% [31],[33] 6.50% [32],[34],[36]    
Principal $ 183 [1],[31] $ 0 [2],[32],[36]    
Cost 178 [1],[31] (5) [2],[32],[36]    
Fair value $ 178 [3],[31] $ (5) [4],[32],[36]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.56% [31],[53] 10.35% [32]    
Spread (as a percent) 6.00% [31],[33],[53] 5.50% [32],[34]    
Principal $ 2,111 [1],[31],[53] $ 1,735 [2],[32]    
Cost 2,080 [1],[31],[53] 1,708 [2],[32]    
Fair value $ 2,065 [3],[31],[53] $ 1,722 [4],[32]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.56% [31],[53] 11.35% [32]    
Spread (as a percent) 7.00% [31],[33],[53] 6.50% [32],[34]    
Principal $ 2,111 [1],[31],[53] $ 1,735 [2],[32]    
Cost 2,080 [1],[31],[53] 1,708 [2],[32]    
Fair value $ 2,065 [3],[31],[53] $ 1,722 [4],[32]    
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 12.56% [31],[53] 12.35% [32]    
Spread (as a percent) 8.00% [31],[33],[53] 7.50% [32],[34]    
Principal $ 2,111 [1],[31],[53] $ 1,735 [2],[32]    
Cost 2,080 [1],[31],[53] 1,708 [2],[32]    
Fair value $ 2,065 [3],[31],[53] $ 1,722 [4],[32]    
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.25% [31],[33],[35] 6.50% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (41) [1],[31],[35] (47) [2],[32],[36]    
Fair value $ (41) [3],[31],[35] $ (47) [4],[32],[36]    
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.55% [31] 10.83% [32]    
Spread (as a percent) 6.25% [31],[33] 6.50% [32],[34]    
Principal $ 17,447 [1],[31] $ 17,671 [2],[32]    
Cost 17,102 [1],[31] 17,277 [2],[32]    
Fair value $ 17,447 [3],[31] $ 17,489 [4],[32]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Eqiuty        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 140,351 140,351    
Cost $ 140 [1] $ 140 [2]    
Fair value $ 0 [3] $ 30 [4]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.80% [27],[30],[31] 12.72% [32],[41]    
Spread (as a percent) 6.25% [27],[30],[31],[33] 8.00% [32],[34],[41]    
Principal $ 702 [1],[27],[30],[31] $ 702 [2],[32],[41]    
Cost 697 [1],[27],[30],[31] 696 [2],[32],[41]    
Fair value $ 530 [3],[27],[30],[31] $ 665 [4],[32],[41]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.80% [27],[31] 12.58% [32]    
Spread (as a percent) 6.25% [27],[31],[33] 8.00% [32],[34]    
Principal $ 2,941 [1],[27],[31] $ 2,980 [2],[32]    
Cost 2,919 [1],[27],[31] 2,956 [2],[32]    
Fair value $ 2,221 [3],[27],[31] $ 2,823 [4],[32]    
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.80% [27],[31] 12.58% [32]    
Spread (as a percent) 6.25% [27],[31],[33] 8.00% [32],[34]    
Principal $ 275 [1],[27],[31] $ 279 [2],[32]    
Cost 270 [1],[27],[31] 273 [2],[32]    
Fair value $ 208 [3],[27],[31] $ 265 [4],[32]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Eqiuty        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 5,653,333 5,653,333    
Cost $ 216 [1] $ 216 [2]    
Fair value $ 1,550 [3] $ 1,740 [4]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.41% [31],[53] 12.18% [32],[55]    
Spread (as a percent) 7.00% [31],[33],[53] 7.50% [32],[34],[55]    
Principal $ 1,542 [1],[31],[53] $ 1,585 [2],[32],[55]    
Cost 1,528 [1],[31],[53] 1,567 [2],[32],[55]    
Fair value $ 1,542 [3],[31],[53] $ 1,585 [4],[32],[55]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.38% [31],[53] 12.19% [32]    
Spread (as a percent) 7.00% [31],[33],[53] 7.50% [32],[34]    
Principal $ 1,251 [1],[31],[53] $ 1,251 [2],[32]    
Cost 1,240 [1],[31],[53] 1,236 [2],[32]    
Fair value $ 1,251 [3],[31],[53] $ 1,251 [4],[32]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.45% [31],[53] 12.18% [32]    
Spread (as a percent) 7.00% [31],[33],[53] 7.50% [32],[34]    
Principal $ 1,333 [1],[31],[53] $ 121 [2],[32]    
Cost 1,306 [1],[31],[53] 96 [2],[32]    
Fair value $ 1,333 [3],[31],[53] $ 121 [4],[32]    
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.38% [31] 12.18% [32]    
Spread (as a percent) 7.00% [31],[33] 7.50% [32],[34]    
Principal $ 3,580 [1],[31] $ 3,685 [2],[32]    
Cost 3,549 [1],[31] 3,643 [2],[32]    
Fair value $ 3,581 [3],[31] $ 3,685 [4],[32]    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 4,535,784      
Cost [1] $ 166      
Fair value [3] $ 290      
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   392,514    
Cost [2]   $ 3,678    
Fair value [4]   $ 0    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   4,535,784    
Cost [2]   $ 166    
Fair value [4]   $ 110    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.13% [31] 21.59% [32],[39],[40]    
Spread (as a percent) 8.75% [31],[33] 16.00% [32],[34],[39],[40]    
PIK Rate 6.00% [25],[31] 21.59% [26],[32],[39],[40]    
Principal $ 1,515 [1],[31] $ 942 [2],[32],[39],[40]    
Cost 1,515 [1],[31] 942 [2],[32],[39],[40]    
Fair value $ 1,515 [3],[31] $ 0 [4],[32],[39],[40]    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.13% [31] 21.59% [32],[39],[40]    
Spread (as a percent) 8.75% [31],[33] 16.00% [32],[34],[39],[40]    
PIK Rate 6.00% [25],[31] 21.59% [26],[32],[39],[40]    
Principal $ 1,131 [1],[31] $ 906 [2],[32],[39],[40]    
Cost 1,131 [1],[31] 906 [2],[32],[39],[40]    
Fair value $ 1,131 [3],[31] $ 0 [4],[32],[39],[40]    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   13.21%    
Spread (as a percent) [32],[34]   8.75%    
PIK Rate [26],[32]   6.00%    
Principal [2],[32]   $ 1,470    
Cost [2],[32]   1,470    
Fair value [4],[32]   $ 1,470    
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [32]   13.18%    
Spread (as a percent) [32],[34]   8.75%    
PIK Rate [26],[32]   13.18%    
Principal [2],[32]   $ 1,091    
Cost [2],[32]   1,091    
Fair value [4],[32]   $ 1,091    
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
Principal $ 2,591 [1] $ 2,591 [2]    
Cost 2,573 [1] 2,568 [2]    
Fair value $ 2,573 [3] $ 2,568 [4]    
Investment, Identifier [Axis]: JorVet Holdings, LLC., Preferred Eqiuty        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 12,214 [14] 12,214 [19]    
Cost $ 1,221 [1],[14] $ 1,221 [2],[19]    
Fair value $ 1,500 [3],[14] 1,460 [4],[19]    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
PIK Rate 12.50%      
Fair value $ 1,392 0    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1b        
Schedule of Investments [Line Items]        
Total Rate 14.50%      
Spread (as a percent) 9.75%      
Fair value $ 0 5,973    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1e        
Schedule of Investments [Line Items]        
Total Rate 14.23%      
Spread (as a percent) 9.75%      
PIK Rate 14.23%      
Fair value $ 0 0    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
PIK Rate 12.50%      
Fair value $ 1,476 0    
Investment, Identifier [Axis]: KMS, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 11,516      
Cost [1] $ 6,113      
Fair value $ 6,113 [3] 0    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
PIK Rate [25] 12.50%      
Principal [1] $ 1,427      
Cost [1] 1,392      
Fair value [3] $ 1,392      
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1a        
Schedule of Investments [Line Items]        
Total Rate 14.50%      
Spread (as a percent) 9.75%      
Fair value $ 0 829    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1c        
Schedule of Investments [Line Items]        
Spread (as a percent) 9.75%      
PIK Rate 14.23%      
Fair value $ 0 562    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1d        
Schedule of Investments [Line Items]        
Spread (as a percent) 9.75%      
PIK Rate 14.23%      
Fair value $ 0 $ 550    
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50%      
PIK Rate [25] 12.50%      
Principal [1] $ 1,476      
Cost [1],[3] $ 1,476      
Investment, Identifier [Axis]: KMS, LLC, Wholesaler of Closeout and Value-priced Products, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32],[39]   14.50%    
Spread (as a percent) [32],[34],[39]   9.75%    
Principal [2],[32],[39]   $ 1,286    
Cost [2],[32],[39]   1,238    
Fair value [4],[32],[39]   $ 829    
Investment, Identifier [Axis]: KMS, LLC, Wholesaler of Closeout and Value-priced Products, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   14.23%    
Spread (as a percent) [32],[34]   9.75%    
PIK Rate [26],[32]   14.23%    
Principal [2],[32]   $ 562    
Cost [2],[32]   562    
Fair value [4],[32]   $ 562    
Investment, Identifier [Axis]: KMS, LLC, Wholesaler of Closeout and Value-priced Products, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   14.23%    
Spread (as a percent) [32],[34]   9.75%    
PIK Rate [26],[32]   14.23%    
Principal [2],[32]   $ 550    
Cost [2],[32]   550    
Fair value [4],[32]   $ 550    
Investment, Identifier [Axis]: KMS, LLC, Wholesaler of Closeout and Value-priced Products, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [32],[39]   14.50%    
Spread (as a percent) [32],[34],[39]   9.75%    
Principal [2],[32],[39]   $ 9,262    
Cost [2],[32],[39]   9,175    
Fair value [4],[32],[39]   $ 5,973    
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, , Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 145      
Cost [1] $ 3,060      
Fair value [3] $ 3,570      
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 200 [14],[42] 200 [19],[43]    
Cost $ 248 [1],[14],[42] $ 248 [2],[19],[43]    
Fair value 678 [3],[14],[42] $ 678 [4],[19],[43] 623 683
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   145    
Cost [2]   $ 3,060    
Fair value $ 3,570 $ 3,060 [4] $ 2,980 2,420
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% 11.50% 12.00%  
Principal $ 3,350 [1] $ 3,750 [2]    
Cost 3,344 [1] 3,741 [2]    
Fair value $ 3,344 [3] $ 3,741 [4] $ 4,337 4,933
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.00% 9.00% 9.00%  
Principal $ 984 [1] $ 990 [2]    
Cost 976 [1] 982 [2]    
Fair value $ 976 [3] $ 982 [4] $ 987 951
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.84% [31] 11.89% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 701 [1],[31] $ 701 [2],[32]    
Cost 701 [1],[31] 701 [2],[32]    
Fair value $ 701 [3],[31] $ 701 [4],[32]    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.84% [31] 11.92% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 7,806 [1],[31] $ 7,850 [2],[32]    
Cost 7,777 [1],[31] 7,791 [2],[32]    
Fair value $ 7,806 [3],[31] $ 7,850 [4],[32]    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.84% [31] 11.71% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 5,154 [1],[31] $ 5,181 [2],[32]    
Cost 5,135 [1],[31] 5,141 [2],[32]    
Fair value $ 5,154 [3],[31] $ 5,181 [4],[32]    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.84% [31] 11.92% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 856 [1],[31] $ 860 [2],[32]    
Cost 853 [1],[31] 854 [2],[32]    
Fair value $ 856 [3],[31] $ 860 [4],[32]    
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate 11.84% [31] 11.71% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 8,673 [1],[31] $ 8,716 [2],[32]    
Cost 8,639 [1],[31] 8,647 [2],[32]    
Fair value $ 8,673 [3],[31] $ 8,716 [4],[32]    
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 12.45% [12],[31] 12.74% [13],[32]    
Spread (as a percent) 8.00% [12],[31],[33] 8.00% [13],[32],[34]    
PIK Rate 3.00% [12],[25],[31] 3.00% [13],[26],[32]    
Principal $ 4,649 [1],[12],[31] $ 4,592 [2],[13],[32]    
Cost 4,627 [1],[12],[31] 4,560 [2],[13],[32]    
Fair value $ 3,511 [3],[12],[31] $ 3,684 [4],[13],[32]    
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [21]   9.44%    
Spread (as a percent) [21],[34]   5.00%    
Principal [2],[21]   $ 5,705    
Cost [2],[21]   5,688    
Fair value [4],[21]   $ 5,534    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [13],[32],[40]   12.25%    
Spread (as a percent) [13],[32],[34],[40]   4.25%    
Principal [2],[13],[32],[40]   $ 11,552    
Cost [2],[13],[32],[40]   11,552    
Fair value [4],[13],[32],[40]   $ 9,191    
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 10.07%      
Spread (as a percent) [31],[33] 5.75%      
Principal [1],[31] $ 19,571      
Cost [1],[31] 19,292      
Fair value [3],[31] 19,292      
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Principal [1] 1,291      
Cost [1] 938      
Fair value [3] $ 938      
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Fair value     80 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]        
Total Rate     14.00%  
Fair value     $ 1,216 1,256
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   7.50%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (19)    
Fair value [4],[32],[36]   $ 0    
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   12.00%    
Spread (as a percent) [32],[34]   7.50%    
Principal [2],[32]   $ 21,081    
Cost [2],[32]   20,910    
Fair value [4],[32]   $ 21,081    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 112,865 [14] 112,865    
Cost $ 113 [1],[14] $ 113 [2]    
Fair value $ 500 [3],[14] $ 500 [4]    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 434,331 [14] 434,331 [19]    
Total Rate 8.00% [14] 8.00% [19]    
PIK Rate 8.00% [14],[25] 8.00% [19],[26]    
Cost $ 434 [1],[14] $ 434 [2],[19]    
Fair value 443 [3],[14] 470 [4],[19]    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [1],[35] 0 [2],[36]    
Cost 0 [1],[35] 0 [2],[36]    
Fair value $ 0 [3],[35] $ 0 [4],[36]    
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.75% 9.75%    
Principal $ 1,363 [1] $ 1,539 [2]    
Cost 1,344 [1] 1,513 [2]    
Fair value $ 1,363 [3] $ 1,513 [4]    
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.75% [31],[33],[35] 5.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (4) [1],[31],[35] (5) [2],[32],[36]    
Fair value $ (4) [3],[31],[35] $ (5) [4],[32],[36]    
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.17% [31] 10.22% [32]    
Spread (as a percent) 5.75% [31],[33] 5.75% [32],[34]    
Principal $ 1,335 [1],[31] $ 1,342 [2],[32]    
Cost 1,320 [1],[31] 1,323 [2],[32]    
Fair value $ 1,335 [3],[31] $ 1,342 [4],[32]    
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.18% [31] 10.21% [32]    
Spread (as a percent) 5.75% [31],[33] 5.75% [32],[34]    
Principal $ 2,129 [1],[31] $ 2,389 [2],[32]    
Cost 2,107 [1],[31] 2,361 [2],[32]    
Fair value $ 2,129 [3],[31] 2,389 [4],[32]    
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14],[42] 53,505      
Cost [1],[14],[42] $ 11,615      
Fair value [3],[14],[42] $ 10,390      
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 9.79%      
Spread (as a percent) [31],[33] 5.50%      
Principal [1],[31] $ 2,230      
Cost [1],[31] 2,230      
Fair value [3],[31] $ 2,230      
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 5.50%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] 0      
Fair value [3],[31],[35] 0      
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Fair value $ 10,390 11,166    
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 9.79%      
Spread (as a percent) 5.50%      
PIK Rate 9.79%      
Fair value $ 2,230 $ 0    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 342,574 336,496    
Cost $ 343 [1] $ 336 [2]    
Fair value $ 220 [3] $ 280 [4]    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.54% [30],[31] 10.74% [32],[41]    
Spread (as a percent) 6.25% [30],[31],[33] 6.25% [32],[34],[41]    
Principal $ 855 [1],[30],[31] $ 375 [2],[32],[41]    
Cost 836 [1],[30],[31] 353 [2],[32],[41]    
Fair value $ 819 [3],[30],[31] $ 375 [4],[32],[41]    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.56% [31],[53] 10.77% [32],[55]    
Spread (as a percent) 6.25% [31],[33],[53] 6.25% [32],[34],[55]    
Principal $ 854 [1],[31],[53] $ 858 [2],[32],[55]    
Cost 839 [1],[31],[53] 841 [2],[32],[55]    
Fair value $ 825 [3],[31],[53] $ 858 [4],[32],[55]    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.58% [31] 9.76% [32]    
Spread (as a percent) 5.25% [31],[33] 5.25% [32],[34]    
Principal $ 3,162 [1],[31] $ 3,201 [2],[32]    
Cost 3,110 [1],[31] 3,140 [2],[32]    
Fair value $ 3,054 [3],[31] $ 3,201 [4],[32]    
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.58% [31] 11.76% [32]    
Spread (as a percent) 7.25% [31],[33] 7.25% [32],[34]    
Principal $ 3,162 [1],[31] $ 3,201 [2],[32]    
Cost 3,108 [1],[31] 3,138 [2],[32]    
Fair value $ 3,056 [3],[31] $ 3,201 [4],[32]    
Investment, Identifier [Axis]: Mission Critical Group, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 532      
Cost [1] $ 532      
Fair value [3] $ 2,680      
Investment, Identifier [Axis]: Mission Critical Group, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 6.00%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (61)      
Fair value [3],[31],[35] $ (61)      
Investment, Identifier [Axis]: Mission Critical Group, Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 6.00%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (73)      
Fair value [3],[31],[35] $ (73)      
Investment, Identifier [Axis]: Mission Critical Group, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 10.28%      
Spread (as a percent) [31],[33] 6.00%      
Principal [1],[31] $ 18,531      
Cost [1],[31] 18,178      
Fair value [3],[31] $ 18,178      
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 40,821 [14] 40,821 [19]    
Total Rate 12.00% [14] 12.00% [19]    
PIK Rate 12.00% [14],[25] 12.00% [19],[26]    
Cost $ 453 [1],[14] $ 427 [2],[19]    
Fair value $ 453 [3],[14] $ 427 [4],[19]    
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.00% 14.00%    
Principal $ 2,320 [1] $ 2,400 [2]    
Cost 2,145 [1] 2,197 [2]    
Fair value $ 2,145 [3] $ 2,197 [4]    
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Warrants        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 14,842 [28] 14,842 [29]    
Cost $ 148 [1],[28] $ 148 [2],[29]    
Fair value $ 148 [3],[28] $ 148 [4],[29]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 22,734,483 12,798,820    
Cost $ 301 [1] $ 256 [2]    
Fair value $ 174 [3] $ 226 [4]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.81% [31] 11.59% [32]    
Spread (as a percent) 6.25% [31],[33] 7.00% [32],[34]    
Principal $ 1,181 [1],[31] $ 1,181 [2],[32]    
Cost 1,173 [1],[31] 1,171 [2],[32]    
Fair value $ 1,272 [3],[31] $ 1,125 [4],[32]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.81% [31] 11.59% [32]    
Spread (as a percent) 6.25% [31],[33] 7.00% [32],[34]    
Principal $ 3,056 [1],[31] $ 3,071 [2],[32]    
Cost 3,033 [1],[31] 3,042 [2],[32]    
Fair value $ 3,555 [3],[31] $ 3,160 [4],[32]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.81% [31] 11.59% [32]    
Spread (as a percent) 6.25% [31],[33] 7.00% [32],[34]    
Principal $ 5,188 [1],[31] $ 5,213 [2],[32]    
Cost 5,151 [1],[31] 5,166 [2],[32]    
Fair value $ 5,188 [3],[31] $ 5,213 [4],[32]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate [31] 10.81%      
Spread (as a percent) [31],[33] 6.25%      
Principal [1],[31] $ 355      
Cost [1],[31] 349      
Fair value [3],[31] $ 349      
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 8.00% [35] 8.00%    
PIK Rate 8.00% [25],[35] 8.00% [26]    
Principal [1],[35] $ 0      
Cost 0 [1],[35] $ 34 [2]    
Fair value $ 0 [3],[35] $ 34 [4]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.00% 8.00%    
PIK Rate 8.00% [25] 8.00% [26]    
Principal [1] $ 32      
Cost 32 [1] $ 15 [2]    
Fair value $ 32 [3] $ 15 [4]    
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 8.00% 8.00%    
PIK Rate 8.00% [25] 8.00% [26]    
Principal [1] $ 22      
Cost 22 [1] $ 31 [2]    
Fair value $ 22 [3] $ 31 [4]    
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 1,468      
Cost [1],[14] $ 680      
Fair value [3],[14] 6,700      
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] 0      
Fair value [3],[35] $ 0      
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00%      
Principal [1] $ 1,436      
Cost [1] 1,434      
Fair value [3] 1,436      
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [13],[43]   53,505    
Cost [2],[13],[43]   $ 11,166    
Fair value [4],[13],[43]   $ 11,166    
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   1,468    
Cost [2],[19]   $ 680    
Fair value 6,700 6,590 [4],[19] 6,530 6,598
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [2],[36]   0    
Cost [2],[36]   0    
Fair value $ 0 $ 0 [4],[36] $ 0 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 1,436    
Cost [2]   1,433    
Fair value $ 1,436 1,436 [4] $ 1,436 1,436
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Common Equity        
Schedule of Investments [Line Items]        
Fair value $ 4,560 3,890 $ 3,030 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 91,145      
Cost [1],[14] $ 3,030      
Fair value [3],[14] $ 4,560      
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.50%      
Principal [1] $ 6,800      
Cost [1] 6,639      
Fair value [3] $ 6,639      
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50%   13.50%  
Fair value $ 6,639 $ 6,619 $ 6,017 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   91,145    
Cost [2],[19]   $ 3,030    
Fair value [4],[19]   $ 3,890    
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     11.88%  
Spread (as a percent) 6.50% 6.50% [32],[34],[36] 6.50%  
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (12)    
Fair value $ 0 $ (12) [4],[32],[36] $ 2,729 0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   13.50%    
Principal [2]   $ 6,800    
Cost [2]   6,619    
Fair value [4]   $ 6,619    
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 25,786,046 [14] 25,786,046 [19]    
Cost $ 2,053 [1],[14] $ 2,053 [2],[19]    
Fair value 3,100 [3],[14] 2,970 [4],[19] $ 2,050 1,590
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate     10.00%  
Principal [2]   0    
Cost [2]   0    
Fair value 0 $ 0 [4] $ 400 0
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate   9.00% 10.00%  
Principal [2]   $ 2,453    
Cost [2]   2,450    
Fair value $ 0 $ 2,453 [4] $ 2,453 2,435
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   6.50%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (3)    
Fair value [4],[32],[36]   $ (3)    
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   11.24%    
Spread (as a percent) [32],[34]   6.50%    
Principal [2],[32]   $ 14,436    
Cost [2],[32]   14,320    
Fair value [4],[32]   $ 14,436    
Investment, Identifier [Axis]: Northwind Midstream Partners LLC        
Schedule of Investments [Line Items]        
Total Rate [12],[31] 10.70%      
Principal [1],[12],[31] $ 12,500      
Cost [1],[12],[31] 12,266      
Fair value [3],[12],[31] $ 12,375      
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31],[46] 10.98%      
Spread (as a percent) [31],[33],[46] 6.50%      
Principal [1],[31],[46] $ 600      
Cost [1],[31],[46] 600      
Fair value [3],[31],[46] $ 600      
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [46] 12.00%      
Principal [1],[46] $ 4,610      
Cost [1],[46] 4,610      
Fair value [3],[46] $ 4,610      
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 600 600    
Cost $ 696 [1] $ 696 [2]    
Fair value 1,500 [3] 1,500 [4]    
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value $ 3,050 $ 2,890 2,550 2,310
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 122 122    
Cost $ 2,966 [1] $ 2,966 [2]    
Fair value 3,050 [3] 2,890 [4]    
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2.1        
Schedule of Investments [Line Items]        
Fair value $ 1,500 $ 1,500 $ 1,290 1,290
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.98% 11.16% [32] 11.98%  
Spread (as a percent) 6.50% 6.50% [32],[34] 6.50%  
Principal [2],[32]   $ 900    
Cost [2],[32]   900    
Fair value $ 600 $ 900 [4],[32] $ 899 899
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00% 12.00%  
Principal [2]   $ 4,610    
Cost [2]   4,610    
Fair value $ 4,610 $ 4,610 [4] $ 4,608 4,606
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 7.25% [31],[33],[35] 7.50% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (12) [1],[31],[35] (14) [2],[32],[36]    
Fair value $ (12) [3],[31],[35] $ (14) [4],[32],[36]    
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.68% [31] 11.97% [32]    
Spread (as a percent) 7.25% [31],[33] 7.50% [32],[34]    
Principal $ 11,919 [1],[31] $ 11,979 [2],[32]    
Cost 11,637 [1],[31] 11,661 [2],[32]    
Fair value $ 11,919 [3],[31] $ 11,766 [4],[32]    
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 11.68%      
Spread (as a percent) [31],[33] 7.25%      
Principal [1],[31] $ 1,355      
Cost [1],[31] 1,316      
Fair value [3],[31] $ 1,355      
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.30% [31] 11.35% [32]    
Spread (as a percent) 6.00% [31],[33] 7.00% [32],[34]    
Principal $ 1,045 [1],[31] $ 1,050 [2],[32]    
Cost 1,036 [1],[31] 1,040 [2],[32]    
Fair value $ 1,045 [3],[31] $ 1,040 [4],[32]    
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.30% [31] 11.33% [32]    
Spread (as a percent) 6.00% [31],[33] 7.00% [32],[34]    
Principal $ 2,903 [1],[31] $ 2,910 [2],[32]    
Cost 2,875 [1],[31] 2,888 [2],[32]    
Fair value $ 2,903 [3],[31] $ 2,888 [4],[32]    
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 282 [14] 282    
Cost $ 282 [1],[14] $ 282 [2]    
Fair value 770 [3],[14] 640 [4] $ 410 282
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate     15.48%  
Spread (as a percent)     10.00%  
Fair value $ 770 $ 640 $ 1,300 1,339
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [42] 2,500      
Cost [1],[42] $ 2,500      
Fair value [3],[42] $ 3,360      
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 11.00%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] (1)      
Fair value [3],[31],[35] $ 0      
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 15.48%      
Spread (as a percent) [31],[33] 11.00%      
Principal [1],[31] $ 5,290      
Cost [1],[31] 5,268      
Fair value [3],[31] 5,290      
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19],[43]   2,500    
Cost [2],[19],[43]   $ 2,500    
Fair value $ 3,360 $ 3,360 [4],[19],[43] $ 3,770 4,260
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 11.00% 11.00% [32],[34],[36] 11.00%  
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (1)    
Fair value $ 0 $ 0 [4],[32],[36] $ 0 0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 15.48% 15.66% [32] 16.48%  
Spread (as a percent) 11.00% 11.00% [32],[34] 11.00%  
Principal [2],[32]   $ 5,490    
Cost [2],[32]   5,456    
Fair value $ 5,290 5,490 [4],[32] $ 5,490 5,510
Investment, Identifier [Axis]: Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments        
Schedule of Investments [Line Items]        
Fair value 0 (7,914) 0 0
Investment, Identifier [Axis]: Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments        
Schedule of Investments [Line Items]        
Fair value $ 0 $ 0 0 0
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.78% [30],[31] 13.03% [32]    
Spread (as a percent) 8.25% [30],[31],[33] 8.25% [32],[34]    
Principal $ 448 [1],[30],[31] $ 448 [2],[32]    
Cost 440 [1],[30],[31] 441 [2],[32]    
Fair value $ 445 [3],[30],[31] $ 443 [4],[32]    
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.84% [31] 13.03% [32]    
Spread (as a percent) 8.25% [31],[33] 8.25% [32],[34]    
Principal $ 1,073 [1],[31] $ 1,167 [2],[32]    
Cost 1,057 [1],[31] 1,153 [2],[32]    
Fair value $ 1,065 [3],[31] $ 1,155 [4],[32]    
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]        
Shares acquired (in shares) 806 806    
Cost $ 1,805 [1] $ 1,805 [2]    
Fair value $ 0 [3] $ 1,140 [4]    
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Principal [1] $ 6,960      
Cost [1] 6,840      
Fair value [3] $ 6,960      
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [14] 110      
Cost [1],[14] $ 3,135      
Fair value [3],[14] 4,890      
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [1],[35] 0      
Cost [1],[35] (7)      
Fair value [3],[35] 0      
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   110    
Cost [2],[19]   $ 3,135    
Fair value 4,890 4,590 [4],[19] 3,840 3,135
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal [2],[36]   0    
Cost [2],[36]   (8)    
Fair value $ 0 $ 0 [4],[36] $ (9) 105
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00% 13.00%  
Principal [2]   $ 7,160    
Cost [2]   7,019    
Fair value $ 6,960 $ 7,160 [4] $ 7,490 7,472
Investment, Identifier [Axis]: Power System Solutions, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   532    
Cost [2]   $ 532    
Fair value [4]   $ 1,640    
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   6.50%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (27)    
Fair value [4],[32],[36]   $ (27)    
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   10.86%    
Spread (as a percent) [32],[34]   6.50%    
Principal [2],[32]   $ 2,640    
Cost [2],[32]   2,581    
Fair value [4],[32]   $ 2,640    
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   10.90%    
Spread (as a percent) [32],[34]   6.50%    
Principal [2],[32]   $ 7,859    
Cost [2],[32]   7,697    
Fair value [4],[32]   $ 7,859    
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 9.78% [31] 10.58% [32]    
Spread (as a percent) 5.50% [31],[33] 5.50% [32],[34]    
Principal $ 5,880 [1],[31] $ 5,910 [2],[32]    
Cost 5,740 [1],[31] 5,751 [2],[32]    
Fair value $ 5,880 [3],[31] $ 5,910 [4],[32]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.80% [31] 9.83% [32]    
Spread (as a percent) 5.50% [31],[33] 5.50% [32],[34]    
Principal $ 561 [1],[31] $ 564 [2],[32]    
Cost 547 [1],[31] 548 [2],[32]    
Fair value $ 561 [3],[31] $ 564 [4],[32]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.80% [31] 9.83% [32]    
Spread (as a percent) 5.50% [31],[33] 5.50% [32],[34]    
Principal $ 564 [1],[31] $ 567 [2],[32]    
Cost 553 [1],[31] 555 [2],[32]    
Fair value $ 564 [3],[31] $ 567 [4],[32]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 9.55% [31] 9.58% [32]    
Spread (as a percent) 5.25% [31],[33] 5.25% [32],[34]    
Principal $ 641 [1],[31] $ 644 [2],[32]    
Cost 634 [1],[31] 636 [2],[32]    
Fair value $ 641 [3],[31] $ 644 [4],[32]    
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 5        
Schedule of Investments [Line Items]        
Total Rate [31] 9.52%      
Spread (as a percent) [31],[33] 5.25%      
Principal [1],[31] $ 1,421      
Cost [1],[31] 1,409      
Fair value [3],[31] $ 1,421      
Investment, Identifier [Axis]: Purge Rite, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 13,021 13,021    
Cost $ 13 [1] $ 13 [2]    
Fair value $ 2,580 [3] $ 820 [4]    
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 13,021 13,021    
Cost $ 1,289 [1] $ 1,289 [2]    
Fair value $ 1,289 [3] $ 1,289 [4]    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 11.25%      
Spread (as a percent) [31],[33] 6.75%      
Principal [1],[31] $ 1,347      
Cost [1],[31] 1,345      
Fair value [3],[31] $ 1,110      
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 11.25%      
Spread (as a percent) [31],[33] 6.75%      
Principal [1],[31] $ 1      
Cost [1],[31] 1      
Fair value [3],[31] $ 1      
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Spread (as a percent) [31],[33],[35] 6.75%      
Principal [1],[31],[35] $ 0      
Cost [1],[31],[35] 0      
Fair value [3],[31],[35] $ 0      
Investment, Identifier [Axis]: RA Outdoors LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 107      
Cost [1] $ 0      
Fair value [3] $ 0      
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 11.25%      
Spread (as a percent) [31],[33] 6.75%      
Principal [1],[31] $ 14,089      
Cost [1],[31] 14,060      
Fair value [3],[31] 11,605      
Investment, Identifier [Axis]: RA Outdoors LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   107    
Spread (as a percent) [34]   6.75%    
PIK Rate [26]   11.59%    
Cost [2]   $ 0    
Fair value $ 0 $ 0 [4]    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.25% 11.74% [32]    
Spread (as a percent) 6.75% 6.75% [32],[34]    
PIK Rate [26],[32]   11.74%    
Principal [2],[32]   $ 1,311    
Cost [2],[32]   1,307    
Fair value $ 1,110 $ 1,215 [4],[32]    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.25% 11.74% [32]    
Spread (as a percent) 6.75% 6.75% [32],[34]    
PIK Rate [26],[32]   11.74%    
Principal [2],[32]   $ 13,714    
Cost [2],[32]   13,665    
Fair value $ 11,605 12,710 [4],[32]    
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.25%      
Spread (as a percent) 6.75%      
Fair value $ 1 $ 0    
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32],[41]   11.22%    
Spread (as a percent) 6.50% [30],[31],[33],[35] 6.75% [32],[34],[41]    
Principal $ 0 [1],[30],[31],[35] $ 1,075 [2],[32],[41]    
Cost (37) [1],[30],[31],[35] 1,033 [2],[32],[41]    
Fair value $ 0 [3],[30],[31],[35] $ 1,075 [4],[32],[41]    
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.78% [31] 11.38% [32]    
Spread (as a percent) 6.50% [31],[33] 6.75% [32],[34]    
Principal $ 10,155 [1],[31] $ 10,288 [2],[32]    
Cost 9,958 [1],[31] 10,058 [2],[32]    
Fair value $ 10,155 [3],[31] $ 10,288 [4],[32]    
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.71% [31] 11.43% [32]    
Spread (as a percent) 6.50% [31],[33] 6.75% [32],[34]    
Principal $ 5,001 [1],[31] $ 5,065 [2],[32]    
Cost 4,921 [1],[31] 4,972 [2],[32]    
Fair value $ 5,001 [3],[31] $ 5,065 [4],[32]    
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,230      
Cost [1] $ 1,230      
Fair value [3] 0      
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   1,230    
Cost [2]   $ 1,230    
Fair value $ 0 $ 0 [4] $ 0 0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
PIK Rate 10.00% [25],[27],[35] 10.00% [26],[36],[39] 10.00%  
Principal $ 0 [1],[27],[35] $ 0 [2],[36],[39]    
Cost (8) [1],[27],[35] (7) [2],[36],[39]    
Fair value $ (8) [3],[27],[35] $ (7) [4],[36],[39] $ (5) (6)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.50% [27] 12.50% [39] 12.50%  
PIK Rate 10.00% [25],[27] 10.00% [26],[39] 10.00%  
Principal $ 3,740 [1],[27] $ 3,740 [2],[39]    
Cost 3,565 [1],[27] 3,604 [2],[39]    
Fair value $ 1,579 [3],[27] $ 1,617 [4],[39] $ 1,932 3,421
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 8.00% [31],[33],[35] 8.00% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (5) [1],[31],[35] (6) [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.56% [31] 11.85% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 4,219 [1],[31] $ 4,219 [2],[32]    
Cost 4,180 [1],[31] 4,163 [2],[32]    
Fair value $ 3,627 [3],[31] $ 3,840 [4],[32]    
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 13.56% [31] 13.85% [32]    
Spread (as a percent) 9.00% [31],[33] 9.00% [32],[34]    
Principal $ 4,219 [1],[31] $ 4,219 [2],[32]    
Cost 4,180 [1],[31] 4,163 [2],[32]    
Fair value $ 3,619 [3],[31] $ 3,815 [4],[32]    
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.49% [31] 12.52% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
PIK Rate 2.00% [25],[31] 2.00% [26],[32]    
Principal $ 6,608 [1],[31] $ 6,542 [2],[32]    
Cost 6,603 [1],[31] 6,532 [2],[32]    
Fair value $ 6,608 [3],[31] $ 6,542 [4],[32]    
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.49% [31] 12.52% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
PIK Rate 2.00% [25],[31] 2.00% [26],[32]    
Principal $ 7,896 [1],[31] $ 8,277 [2],[32]    
Cost 7,890 [1],[31] 8,262 [2],[32]    
Fair value $ 7,896 [3],[31] 8,277 [4],[32]    
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 55      
Cost [1] $ 508      
Fair value $ 4,150 [3] 4,550 $ 5,890 6,390
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.85%   11.75%  
Fair value $ 750 750 $ 750 375
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.79%      
Fair value $ 22,554 $ 22,554 $ 0 18,179
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate     12.62%  
Fair value     $ 22,554 0
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [19]   55    
Cost [2],[19]   $ 508    
Fair value [4],[19]   $ 4,550    
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.85% 11.75%    
Principal $ 750 [1] $ 750 [2]    
Cost 745 [1] 744 [2]    
Fair value $ 750 [3] $ 750 [4]    
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.79% [56] 12.79% [57]    
Principal $ 22,554 [1],[56] $ 22,554 [2],[57]    
Cost 22,517 [1],[56] 22,533 [2],[57]    
Fair value $ 22,554 [3],[56] $ 22,554 [4],[57]    
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 200,000 200,000    
Cost $ 200 [1] $ 200 [2]    
Fair value $ 220 [3] $ 190 [4]    
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [30],[31] 11.46%      
Spread (as a percent) 7.00% [30],[31],[33] 7.50% [32],[34],[36]    
Principal $ 660 [1],[30],[31] $ 0 [2],[32],[36]    
Cost 650 [1],[30],[31] (10) [2],[32],[36]    
Fair value $ 660 [3],[30],[31] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.45% [31] 11.98% [32]    
Spread (as a percent) 7.00% [31],[33] 7.50% [32],[34]    
Principal $ 4,850 [1],[31] $ 4,875 [2],[32]    
Cost 4,801 [1],[31] 4,826 [2],[32]    
Fair value $ 4,850 [3],[31] $ 4,875 [4],[32]    
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 17,500 [14] 17,500 [19]    
Cost $ 0 [1],[14] $ 0 [2],[19]    
Fair value $ 520 [3],[14] $ 630 [4],[19]    
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 14.00% 14.00%    
Principal $ 6,390 [1] $ 4,080 [2]    
Cost 6,277 [1] 3,978 [2]    
Fair value $ 6,390 [3] $ 4,080 [4]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 61 61    
Cost $ 61 [1] $ 61 [2]    
Fair value $ 66 [3] $ 62 [4]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.25% [31],[33],[35] 5.25% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost 0 [1],[31],[35] 0 [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36]    
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 9.68% [31] 9.71% [32]    
Spread (as a percent) 5.25% [31],[33] 5.25% [32],[34]    
Principal $ 33,214 [1],[31] $ 4,388 [2],[32]    
Cost 33,187 [1],[31] 4,357 [2],[32]    
Fair value $ 33,214 [3],[31] $ 4,388 [4],[32]    
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 6,564,055      
Cost [1] $ 0      
Fair value [3] 0      
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   6,564,055    
Cost [2]   $ 0    
Fair value $ 0 $ 0 [4] $ 0 0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 8.50% 8.50%    
PIK Rate 8.50% [25] 8.50% [26]    
Principal $ 237 [1] $ 227 [2]    
Cost 237 [1] 227 [2]    
Fair value $ 985 [3] $ 227 [4]    
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1.1        
Schedule of Investments [Line Items]        
Total Rate     8.50%  
PIK Rate     8.50%  
Fair value     $ 1,826 3,543
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 8.50% [27] 8.50% [39]    
PIK Rate 8.50% [25],[27] 8.50% [26],[39]    
Principal $ 5,918 [1],[27] $ 5,918 [2],[39]    
Cost 5,425 [1],[27] 5,425 [2],[39]    
Fair value $ 1,179 [3],[27] $ 1,826 [4],[39]    
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [31],[33],[35] 5.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (6) [1],[31],[35] (7) [2],[32],[36]    
Fair value $ (6) [3],[31],[35] $ (7) [4],[32],[36]    
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Spread (as a percent) 5.50% [31],[33],[35] 5.75% [32],[34],[36]    
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost (5) [1],[31],[35] (5) [2],[32],[36]    
Fair value $ (5) [3],[31],[35] $ (5) [4],[32],[36]    
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 9.90% [31] 10.13% [32]    
Spread (as a percent) 5.50% [31],[33] 5.75% [32],[34]    
Principal $ 2,322 [1],[31] $ 2,333 [2],[32]    
Cost 2,291 [1],[31] 2,299 [2],[32]    
Fair value $ 2,295 [3],[31] $ 2,299 [4],[32]    
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,651      
Cost [1] $ 165      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,411      
Cost [1] $ 141      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 136      
Cost [1] $ 2,311      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [27],[46] 12.00%      
PIK Rate [25],[27],[46] 12.00%      
Principal [1],[27],[46] $ 460      
Cost [1],[27],[46] 455      
Fair value [3],[27],[46] $ 411      
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [27],[46] 12.00%      
PIK Rate [25],[27],[46] 12.00%      
Principal [1],[27],[46] $ 3,800      
Cost [1],[27],[46] 3,761      
Fair value [3],[27],[46] 863      
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   1,651    
Cost [2]   $ 165    
Fair value 0 $ 0 [4] 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   1,411    
Cost [2]   $ 141    
Fair value 0 $ 0 [4] 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   136    
Cost [2]   $ 2,311    
Fair value $ 0 $ 0 [4] $ 0 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00% [39],[40] 12.00%  
PIK Rate 12.00% 12.00% [26],[39],[40] 12.00%  
Principal [2],[39],[40]   $ 460    
Cost [2],[39],[40]   455    
Fair value $ 411 $ 412 [4],[39],[40] $ 432 432
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00% [39],[40] 12.00%  
PIK Rate 12.00% 12.00% [26],[39],[40] 12.00%  
Principal [2],[39],[40]   $ 3,800    
Cost [2],[39],[40]   3,761    
Fair value $ 863 $ 901 [4],[39],[40] $ 1,164 3,565
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,000,000 [12],[42] 1,000,000 [13],[43]    
Cost $ 1,000 [1],[12],[42] $ 1,000 [2],[13],[43]    
Fair value $ 2,350 [3],[12],[42] $ 2,290 [4],[13],[43]    
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 78,227 [14] 71,827 [19]    
Cost $ 78 [1],[14] $ 72 [2],[19]    
Fair value $ 78 [3],[14] $ 72 [4],[19]    
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 320,000 [14] 320,000 [19]    
Cost $ 1,600 [1],[14] $ 1,600 [2],[19]    
Fair value 1,600 [3],[14] $ 1,600 [4],[19]    
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate   10.00%    
Principal 0 [1],[35] $ 100 [2]    
Cost (1) [1],[35] 98 [2]    
Fair value $ (1) [3],[35] $ 98 [4]    
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% 10.00%    
Principal $ 1,300 [1] $ 1,300 [2]    
Cost 1,293 [1] 1,290 [2]    
Fair value $ 1,278 [3] $ 1,274 [4]    
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 468,750 468,750    
Total Rate 8.00% 8.00%    
PIK Rate 8.00% [25] 8.00% [26]    
Cost $ 469 [1] $ 469 [2]    
Fair value $ 540 [3] $ 540 [4]    
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 10.81%      
Spread (as a percent) 6.50% [31],[33] 6.50% [34],[36]    
Principal $ 554 [1],[31] $ 0 [2],[36]    
Cost 518 [1],[31] (40) [2],[36]    
Fair value $ 554 [3],[31] $ (40) [4],[36]    
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.80% [31] 10.83% [32]    
Spread (as a percent) 6.50% [31],[33] 6.50% [32],[34]    
Principal $ 12,983 [1],[31] $ 13,049 [2],[32]    
Cost 12,647 [1],[31] 12,666 [2],[32]    
Fair value $ 12,983 [3],[31] $ 13,049 [4],[32]    
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 10.80%      
Spread (as a percent) [31],[33] 6.50%      
Principal [1],[31] $ 1,661      
Cost [1],[31] 1,624      
Fair value [3],[31] $ 1,661      
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 154 [14] 154 [19]    
Cost $ 1,164 [1],[14] $ 1,164 [2],[19]    
Fair value 2,370 [3],[14] 2,140 [4],[19] 2,440 3,180
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Principal 0 [1],[35] 0 [2],[36]    
Cost 0 [1],[35] (1) [2],[36]    
Fair value $ 0 [3],[35] $ (1) [4],[36] $ 0 0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.50% 13.50% 13.50%  
Principal $ 1,980 [1] $ 1,980 [2]    
Cost 1,965 [1] 1,962 [2]    
Fair value $ 1,965 [3] $ 1,962 [4] $ 1,980 1,980
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.72% [27],[31] 11.90% [32],[39]    
Spread (as a percent) 7.40% [27],[31],[33] 7.40% [32],[34],[39]    
PIK Rate 6.25% [25],[27],[31] 6.00% [26],[32],[39]    
Principal $ 6,741 [1],[27],[31] $ 6,750 [2],[32],[39]    
Cost 1,890 [1],[27],[31] 2,229 [2],[32],[39]    
Fair value 2,696 [3],[27],[31] 2,686 [4],[32],[39]    
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2        
Schedule of Investments [Line Items]        
Principal 692 [1],[27] 692 [2],[39]    
Cost 15 [1],[27] 15 [2],[39]    
Fair value $ 0 [3],[27] $ 0 [4],[39]    
Investment, Identifier [Axis]: UPS Intermediate, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 412,371 412,371    
Cost $ 412 [1] $ 412 [2]    
Fair value $ 480 [3] $ 412 [4]    
Investment, Identifier [Axis]: UPS Intermediate, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.33% [31] 10.36% [32]    
Spread (as a percent) 6.00% [31],[33] 6.00% [32],[34]    
Principal $ 19,392 [1],[31] $ 19,490 [2],[32]    
Cost 19,062 [1],[31] 19,118 [2],[32]    
Fair value $ 19,259 [3],[31] $ 19,294 [4],[32]    
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 1,000 [14] 1,000 [19]    
Total Rate 9.00% [14] 9.00% [19]    
PIK Rate 9.00% [14],[25] 9.00% [19],[26]    
Cost $ 1,129 [1],[14] $ 1,080 [2],[19]    
Fair value $ 1,129 [3],[14] $ 1,080 [4],[19]    
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 13.50% 13.50%    
Principal $ 2,200 [1] $ 2,200 [2]    
Cost 2,152 [1] 2,145 [2]    
Fair value $ 2,152 [3] $ 2,145 [4]    
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.78% [12],[31] 12.75% [13],[32]    
Spread (as a percent) 7.50% [12],[31],[33] 7.50% [13],[32],[34]    
Principal $ 3,000 [1],[12],[31] $ 3,000 [2],[13],[32]    
Cost 2,945 [1],[12],[31] 2,938 [2],[13],[32]    
Fair value $ 3,000 [3],[12],[31] $ 3,000 [4],[13],[32]    
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 769,231 [12],[14] 769,231 [13],[19]    
Cost $ 769 [1],[12],[14] $ 769 [2],[13],[19]    
Fair value $ 2,090 [3],[12],[14] $ 1,950 [4],[13],[19]    
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 3,060 [14],[42] 3,060 [19],[43]    
Cost $ 3,060 [1],[14],[42] $ 3,060 [2],[19],[43]    
Fair value $ 3,060 [3],[14],[42] $ 3,060 [4],[19],[43] $ 3,060 3,060
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) 6.00% [31],[33],[35] 6.00% [32],[34],[36] 6.00%  
Principal $ 0 [1],[31],[35] $ 0 [2],[32],[36]    
Cost 0 [1],[31],[35] 0 [2],[32],[36]    
Fair value $ 0 [3],[31],[35] $ 0 [4],[32],[36] $ 0 0
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.50% 11.50% 11.50%  
Principal $ 6,120 [1] $ 6,440 [2]    
Cost 6,068 [1] 6,366 [2]    
Fair value $ 6,068 [3] $ 6,366 [4] $ 6,662 6,926
Investment, Identifier [Axis]: Victory Energy Operations, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 8,259 [14] 8,338    
Cost $ 3,609 [1],[14] $ 3,644 [2]    
Fair value $ 3,609 [3],[14] 3,644 [4]    
Investment, Identifier [Axis]: Victory Energy Operations, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 13.00%      
Principal $ 277 [1] 0 [2],[36]    
Cost 267 [1] (5) [2],[36]    
Fair value $ 267 [3] $ (5) [4],[36]    
Investment, Identifier [Axis]: Victory Energy Operations, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 13.00% 13.00%    
Principal $ 7,749 [1] $ 7,749 [2]    
Cost 7,552 [1] 7,529 [2]    
Fair value $ 7,552 [3] $ 7,529 [4]    
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 11.43% [30] 11.55%    
Spread (as a percent) 7.00% [30],[33] 7.00% [34]    
Principal $ 2,273 [1],[30] $ 1,705 [2]    
Cost 2,229 [1],[30] 1,669 [2]    
Fair value $ 2,273 [3],[30] $ 1,705 [4]    
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1, Secured Overnight Financing Rate        
Schedule of Investments [Line Items]        
Spread (as a percent) 4.00%      
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 11.44% [31] 11.47% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 12,313 [1],[31] $ 12,375 [2],[32]    
Cost 12,098 [1],[31] 12,130 [2],[32]    
Fair value $ 12,312 [3],[31] $ 12,375 [4],[32]    
Investment, Identifier [Axis]: Volusion, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 772,620      
Cost [1] $ 1,104      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,184,683      
Principal [1] $ 1,235      
Cost [1] 1,235      
Fair value [3] $ 1,840      
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 61,077      
Principal [1] $ 0      
Cost [1] 0      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 2,090,001      
Principal [1] $ 6,000      
Cost [1] 6,000      
Fair value [3] $ 0      
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate [46] 10.00%      
Principal [1],[46] $ 900      
Cost [1],[46] 900      
Fair value [3],[46] 900      
Investment, Identifier [Axis]: Volusion, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   772,620    
Cost [2]   $ 1,104    
Fair value 0 $ 0 [4] 0 0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   2,184,683    
Cost [2]   $ 1,705    
Fair value [4]   3,004    
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1        
Schedule of Investments [Line Items]        
Fair value 0 $ 0 0 0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   61,077    
Cost [2]   $ 0    
Fair value [4]   0    
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1        
Schedule of Investments [Line Items]        
Fair value 1,840 $ 3,004 3,000 3,110
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   2,090,001    
Cost [2]   $ 6,000    
Fair value $ 0 $ 0 [4] $ 0 0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 10.00% 10.00% 10.00%  
Principal [2]   $ 900    
Cost [2]   900    
Fair value $ 900 $ 900 [4] $ 900 $ 900
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares)   500,000    
Cost [2]   $ 500    
Fair value [4]   $ 1,510    
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Spread (as a percent) [32],[34],[36]   7.00%    
Principal [2],[32],[36]   $ 0    
Cost [2],[32],[36]   (3)    
Fair value [4],[32],[36]   $ (3)    
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   11.74%    
Spread (as a percent) [32],[34]   7.00%    
Principal [2],[32]   $ 2,199    
Cost [2],[32]   2,183    
Fair value [4],[32]   $ 2,199    
Investment, Identifier [Axis]: Wash & Wax Systems LLC, Common Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 439      
Cost [1] $ 465      
Fair value [3] $ 500      
Investment, Identifier [Axis]: Wash & Wax Systems LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [31] 9.78%      
Spread (as a percent) [31],[33] 5.50%      
Principal [1],[31] $ 1      
Cost [1],[31] 1      
Fair value [3],[31] $ 1      
Investment, Identifier [Axis]: Wash & Wax Systems LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [31] 9.78%      
Spread (as a percent) [31],[33] 5.50%      
Principal [1],[31] $ 1,007      
Cost [1],[31] 1,007      
Fair value [3],[31] $ 1,007      
Investment, Identifier [Axis]: Wash & Wax Systems LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.00%      
PIK Rate [25] 12.00%      
Principal [1] $ 658      
Cost [1] 658      
Fair value [3] $ 658      
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
PIK Rate 4.00% [25] 4.00% [26]    
Principal $ 316 [1] $ 309 [2]    
Cost 314 [1] 307 [2]    
Fair value $ 297 [3] $ 292 [4]    
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
PIK Rate 4.00% [25] 4.00% [26]    
Principal $ 55 [1] $ 53 [2]    
Cost 52 [1] 49 [2]    
Fair value $ 52 [3] $ 50 [4]    
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
PIK Rate 4.00% [25] 4.00% [26]    
Principal $ 2,245 [1] $ 2,200 [2]    
Cost 2,234 [1] 2,187 [2]    
Fair value $ 2,114 [3] $ 2,076 [4]    
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 12.00% 12.00%    
PIK Rate 4.00% [25] 4.00% [26]    
Principal $ 2,026 [1] $ 1,986 [2]    
Cost 2,016 [1] 1,973 [2]    
Fair value $ 1,908 [3] $ 1,874 [4]    
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock        
Schedule of Investments [Line Items]        
Shares acquired (in shares) [32]   200,000    
Cost [2],[32]   $ 200    
Fair value [4],[32]   $ 640    
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32]   9.47%    
Spread (as a percent) [32],[34]   5.00%    
Principal [2],[32]   $ 658    
Cost [2],[32]   649    
Fair value [4],[32]   $ 658    
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   9.60%    
Spread (as a percent) [32],[34]   5.00%    
Principal [2],[32]   $ 2,918    
Cost [2],[32]   2,884    
Fair value [4],[32]   $ 2,917    
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [32]   9.60%    
Spread (as a percent) [32],[34]   5.00%    
Principal [2],[32]   $ 1,452    
Cost [2],[32]   1,429    
Fair value [4],[32]   $ 1,452    
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32]   12.81%    
Spread (as a percent) 8.00% [30],[31],[33],[35] 8.00% [32],[34]    
Principal $ 0 [1],[30],[31],[35] $ 2,750 [2],[32]    
Cost (36) [1],[30],[31],[35] 2,701 [2],[32]    
Fair value $ (36) [3],[30],[31],[35] $ 2,672 [4],[32]    
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 12.56% [31] 12.85% [32]    
Spread (as a percent) 8.00% [31],[33] 8.00% [32],[34]    
Principal $ 2,343 [1],[31] $ 2,343 [2],[32]    
Cost 2,318 [1],[31] 2,310 [2],[32]    
Fair value $ 2,343 [3],[31] $ 2,276 [4],[32]    
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 11.56% [31] 11.85% [32]    
Spread (as a percent) 7.00% [31],[33] 7.00% [32],[34]    
Principal $ 9,050 [1],[31] $ 9,050 [2],[32]    
Cost 8,947 [1],[31] 8,911 [2],[32]    
Fair value $ 9,050 [3],[31] $ 8,794 [4],[32]    
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 13.56% [31] 13.85% [32]    
Spread (as a percent) 9.00% [31],[33] 9.00% [32],[34]    
Principal $ 9,050 [1],[31] $ 9,050 [2],[32]    
Cost 8,947 [1],[31] 8,911 [2],[32]    
Fair value $ 9,050 [3],[31] $ 8,794 [4],[32]    
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity        
Schedule of Investments [Line Items]        
Shares acquired (in shares) 530 [14] 530 [19]    
Cost $ 530 [1],[14] $ 530 [2],[19]    
Fair value $ 530 [3],[14] $ 530 [4],[19]    
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.00% 13.00%    
Principal $ 1,364 [1] $ 1,485 [2]    
Cost 1,351 [1] 1,468 [2]    
Fair value $ 1,351 [3] $ 1,468 [4]    
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 10.17% [31] 9.70% [32]    
Spread (as a percent) 5.75% [31],[33] 5.25% [32],[34]    
Principal $ 1,170 [1],[31] $ 1,176 [2],[32]    
Cost 1,153 [1],[31] 1,157 [2],[32]    
Fair value $ 1,170 [3],[31] $ 1,176 [4],[32]    
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.12% [31] 9.98% [32]    
Spread (as a percent) 5.75% [31],[33] 5.25% [32],[34]    
Principal $ 2,316 [1],[31] $ 2,328 [2],[32]    
Cost 2,295 [1],[31] 2,304 [2],[32]    
Fair value $ 2,316 [3],[31] $ 2,328 [4],[32]    
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate [31] 10.15%      
Spread (as a percent) [31],[33] 5.75%      
Principal [1],[31] $ 607      
Cost [1],[31] 596      
Fair value [3],[31] $ 607      
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt        
Schedule of Investments [Line Items]        
Total Rate 11.88% [20],[31] 12.25% [21],[32]    
Spread (as a percent) 7.50% [20],[31],[33] 7.50% [21],[32],[34]    
Principal $ 5,012 [1],[20],[31] $ 5,106 [2],[21],[32]    
Cost 4,974 [1],[20],[31] 5,048 [2],[21],[32]    
Fair value $ 4,284 [3],[20],[31] $ 4,661 [4],[21],[32]    
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate 12.50% [31] 12.50% [32]    
Spread (as a percent) 5.00% [31],[33] 5.00% [32],[34]    
Principal $ 648 [1],[31] $ 86 [2],[32]    
Cost 628 [1],[31] 64 [2],[32]    
Fair value $ 648 [3],[31] $ 86 [4],[32]    
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate 10.28% [31],[53] 10.74% [32]    
Spread (as a percent) 6.00% [31],[33],[53] 6.00% [32],[34]    
Principal $ 997 [1],[31],[53] $ 517 [2],[32]    
Cost 974 [1],[31],[53] 496 [2],[32]    
Fair value $ 997 [3],[31],[53] $ 517 [4],[32]    
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 3        
Schedule of Investments [Line Items]        
Total Rate 10.17% [31] 10.28% [32]    
Spread (as a percent) 6.00% [31],[33] 6.00% [32],[34]    
Principal $ 813 [1],[31] $ 817 [2],[32]    
Cost 803 [1],[31] 806 [2],[32]    
Fair value $ 813 [3],[31] $ 817 [4],[32]    
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 4        
Schedule of Investments [Line Items]        
Total Rate 10.31% [31] 10.66% [32]    
Spread (as a percent) 6.00% [31],[33] 6.00% [32],[34]    
Principal $ 5,819 [1],[31] $ 5,852 [2],[32]    
Cost 5,727 [1],[31] 5,748 [2],[32]    
Fair value $ 5,819 [3],[31] $ 5,852 [4],[32]    
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1        
Schedule of Investments [Line Items]        
Total Rate [32]   11.91%    
Spread (as a percent) [32],[34]   7.25%    
PIK Rate [26],[32]   11.91%    
Principal [2],[32]   $ 2,458    
Cost [2],[32]   2,458    
Fair value [4],[32]   $ 2,025    
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2        
Schedule of Investments [Line Items]        
Total Rate [32]   11.91%    
Spread (as a percent) [32],[34]   7.25%    
PIK Rate [26],[32]   11.91%    
Principal [2],[32]   $ 616    
Cost [2],[32]   616    
Fair value [4],[32]   $ 508    
[1] 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.
[2] 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.
[3] 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.
[4] 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.
[5] All portfolio company headquarters are based in the United States, unless otherwise noted.
[6] 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 Company’s investments, unless otherwise noted, are encumbered as security for one of the Credit Facilities (as defined below).
[7] 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.
[8] 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.
[9] 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.
[10] Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[11] Non-Control/Non-Affiliate” investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments.
[12] 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.
[13] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments.
[14] Income producing through dividends or distributions.
[15] 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.
[16] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[17] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments.
[18] 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.
[19] Income producing through dividends or distributions.
[20] 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.
[21] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments.
[22] Portfolio company headquarters are located outside of the United States.
[23] Portfolio company headquarters are located outside of the United States.
[24] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments.
[25] 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 June 30, 2025.
[26] 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.
[27] Non-accrual and non-income producing debt investment.
[28] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[29] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit.
[30] 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 June 30, 2025.
[31] 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 1.33%.
[32] 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%.
[33] 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 June 30, 2025, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%.
[34] 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%.
[35] The position is unfunded and no interest income is being earned as of June 30, 2025. The position may earn a nominal unused facility fee on committed amounts.
[36] 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.
[37] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[38] Index based floating interest rate is subject to contractual maximum base rate of 3.00%.
[39] Non-accrual and non-income producing debt investment.
[40] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[41] 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.
[42] Shares/Units represent ownership in a related real estate or holding entity.
[43] Shares/Units represent ownership in a related real estate or holding entity.
[44] Investment purchased through a distressed sale with the intention to be sold on a short-term basis.
[45] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated.
[46] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.
[47] Effective yield as of June 30, 2025 was approximately 3.98% on the Fidelity Government Portfolio Fund Class III.
[48] Effective yield as of December 31, 2024 was approximately 4.13% on the Fidelity Government Portfolio Fund Class III.
[49] Effective yield as of June 30, 2025 was approximately 4.17% on the First American Treasury Obligations Fund Class Z.
[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 June 30, 2025.
[54] Investment is accruing income at the fixed cash rate of 2.50% as of June 30, 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 Company has entered into an intercreditor agreement that entitles the Company 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 Company receives a higher interest rate than the contractual stated interest rate of 11.85% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[57] The Company has entered into an intercreditor agreement that entitles the Company 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 Company 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.