Consolidated Schedule of Investments In and Advances to Affiliates (Details)

v3.24.0.1

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ (34,010)		$ (3,936)		$ (498)
Amount of Unrealized Gain/(Loss)		46,319		(1,702)		25,095
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]	1,068,143
Ending balance		1,092,895	[2]	1,068,143	[1]
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		2,223		0		0
Amount of Unrealized Gain/(Loss)		(1,289)		1,503		2,001
Amount of Interest, Fees or Dividends Credited to Income		3,101		3,223
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		50,303	[1],[3]	46,583
Gross Additions		17,176		4,735
Gross Reductions		13,835		1,015
Ending balance		53,644	[2],[4]	50,303	[1],[3]	46,583
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(7,188)		(7,327)		(2,673)
Amount of Unrealized Gain/(Loss)		25,116		15,689		10,237
Amount of Interest, Fees or Dividends Credited to Income		29,805		24,057
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		277,000	[1],[5]	234,158
Gross Additions		115,308		84,672
Gross Reductions		101,029		41,830
Ending balance		291,279	[2],[6]	277,000	[1],[5]	234,158
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		2,570
Amount of Interest, Fees or Dividends Credited to Income		814
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,400
Gross Additions		2,570
Gross Reductions		0
Ending balance		6,970		4,400
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	0
Ending balance		0	[8]	$ 0	[7]
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			18.00%
PIK Rate	[7]			18.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 4,110
Ending balance	[7]			$ 4,110
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8]	18.00%
PIK Rate	[8]	18.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 149
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[8]	18.00%
PIK Rate	[8]	18.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 4,958
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]	0
Ending balance		$ 0	[8],[10]	$ 0	[7],[9]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[11],[12],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (5)
Ending balance		$ 0	[11],[12],[13]	$ (5)	[14],[15]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[11],[13]	10.20%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 86
Ending balance		$ 1,081	[11],[13]	$ 86	[14],[15]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.43%	[11],[13]	10.58%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,983
Ending balance		$ 2,304	[11],[13]	$ 1,983	[14],[15]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.43%
Spread	[11],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 772
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.22%	[8],[13]	10.14%	[7],[15]
Spread		5.75%	[8],[13]	5.75%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 8,213
Ending balance		4,214	[8],[13]	$ 8,213	[7],[15]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		1,800		0
Amount of Unrealized Gain/(Loss)		(2,050)		420
Amount of Interest, Fees or Dividends Credited to Income		0		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,350	[16]	1,930
Gross Additions		1,800		420
Gross Reductions		4,150		0
Ending balance		0		$ 2,350	[16]	1,930
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		36
Gross Additions				0
Gross Reductions				36
Ending balance				0		36
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	80
Ending balance		$ 100	[11],[17]	$ 80	[14]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.40%	[11],[12],[13]	7.40%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 0
Ending balance		$ 0	[11],[12],[13]	$ 0	[14],[15]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.76%	[11],[13]	11.72%	[14],[15]
Spread		7.40%	[11],[13]	7.40%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,025
Ending balance		1,538	[11],[13]	$ 2,025	[14],[15]
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	90
Ending balance		$ 90	[11]	$ 90	[14]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.16%
Spread		6.50%	[11],[13]	5.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 0
Ending balance		$ 50	[11],[13]	$ 0	[14],[15]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.16%	[11],[13]	9.32%	[14],[15]
Spread		5.50%	[11],[13]	5.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 914
Ending balance		$ 925	[11],[13]	$ 914	[14],[15]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.16%	[11],[13]	11.32%	[14],[15]
Spread		7.50%	[11],[13]	7.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 916
Ending balance		925	[11],[13]	$ 916	[14],[15]
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		3,178		0
Amount of Unrealized Gain/(Loss)		(3,290)		3,290
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,290	[7]	0
Gross Additions		3,178		3,290
Gross Reductions		6,468		0
Ending balance		$ 0		$ 3,290	[7]	0
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			12.23%
Spread		7.50%		7.50%	[7],[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(102)		135
Amount of Interest, Fees or Dividends Credited to Income		856		756
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,368	[7],[15]	7,121
Gross Additions		545		364
Gross Reductions		6,913		1,117
Ending balance		$ 0		$ 6,368	[7],[15]	7,121
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	[7]
PIK Rate	[7]			10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(276)		309
Amount of Interest, Fees or Dividends Credited to Income		1,135		327
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,614	[7]	1,977
Gross Additions		1,135		637
Gross Reductions		3,749		0
Ending balance		0		2,614	[7]	1,977
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	56
Ending balance		$ 124	[11],[17]	$ 56	[14]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[11],[12],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (8)
Ending balance		$ (5)	[11],[12],[13]	$ (8)	[14],[15]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.76%	[11],[13]	12.17%	[14],[15]
Spread		7.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 3,876
Ending balance		$ 3,344	[11],[13]	$ 3,876	[14],[15]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			13.88%
Spread		7.50%	[11],[12],[13]	9.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,616
Ending balance		$ (8)	[11],[12],[13]	$ 4,616	[14],[15]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.98%	[11],[13]	13.57%	[14],[15]
Spread		7.50%	[11],[13]	9.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,379
Ending balance		11,922	[11],[13]	$ 1,379	[14],[15]
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[18]	$ 90
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	[11],[13],[19]	10.00%	[14],[15],[20]
Spread		7.00%	[11],[13],[19]	6.00%	[14],[15],[20]
PIK Rate	[11],[13],[19]	1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[20]	$ 565
Ending balance		$ 917	[11],[13],[19]	$ 565	[14],[15],[20]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[11],[13],[19]	10.00%	[14],[15],[20]
Spread		7.00%	[11],[13],[19]	7.50%	[14],[15],[20]
PIK Rate	[11],[13],[19]	1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[20]	$ 2,826
Ending balance		$ 2,481	[11],[13],[19]	$ 2,826	[14],[15],[20]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[11],[12],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (13)
Ending balance		$ (10)	[11],[12],[13]	$ (13)	[14],[15]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%	[11],[13]	11.12%	[14],[15]
Spread		5.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 8,271
Ending balance		$ 8,188	[11],[13]	$ 8,271	[14],[15]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.29%	[11],[13]	10.46%	[14],[15]
Spread		9.75%	[11],[13]	6.75%	[14],[15]
PIK Rate	[11],[13]	15.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,148
Ending balance		$ 4,102	[11],[13]	$ 4,148	[14],[15]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.29%	[11],[13]	12.46%	[14],[15]
Spread		9.75%	[11],[13]	8.75%	[14],[15]
PIK Rate	[11],[13]	15.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,161
Ending balance		$ 0	[11],[13]	$ 4,161	[14],[15]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13],[21]	17.29%
Spread	[11],[13],[21]	11.75%
PIK Rate	[11],[13],[21]	17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[21]	$ 2,522
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13],[21]	17.29%
Spread	[11],[13],[21]	11.75%
PIK Rate	[11],[13],[21]	17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[21]	$ 0
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[22]			7.50%
Spread	[7],[22]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[22]	136
Ending balance		109	[8],[21],[23]	$ 136	[7],[22]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[15],[22]			7.50%
Spread	[7],[15],[22]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[22]	658
Ending balance		526	[8],[21],[23]	$ 658	[7],[15],[22]
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				0
Gross Reductions				0
Ending balance				0		0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				0
Gross Reductions				0
Ending balance				0		0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		880
Ending balance		$ 1,210		$ 880
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Total Rate		14.13%		14.13%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		14.13%		14.13%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 0
Ending balance		0		$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		330		(340)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		880		1,220
Gross Additions		330		0
Gross Reductions		0		340
Ending balance		$ 1,210		$ 880		1,220
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]	15.38%
Spread		10.00%	[13]	10.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		4		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(2)	[15]	(4)
Gross Additions		56		2
Gross Reductions		0		0
Ending balance		$ 54	[13]	$ (2)	[15]	(4)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.38%	[13]	14.13%	[15]
Spread		10.00%	[13]	10.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		188		174
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,135	[15]	1,182
Gross Additions		21		23
Gross Reductions		136		70
Ending balance		1,020	[13]	1,135	[15]	1,182
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[9]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0	[10]	0	[9]	0
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance		0	[11]	$ 0	[14]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	7,468
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 0
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[11]	13.41%	[14],[15]
Spread	[14],[15]			9.00%
PIK Rate	[11]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,095
Ending balance		$ 1,007	[11]	$ 2,095	[14],[15]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.04%	[11],[13]	13.56%	[14],[15]
Spread		6.50%	[11],[13]	9.00%	[14],[15]
PIK Rate	[11],[13]	12.04%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 13,313
Ending balance		3,765	[11],[13]	$ 13,313	[14],[15]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	62
Ending balance		100	[11]	$ 62	[14]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[15]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	(4)
Ending balance	[14],[15]			$ (4)
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15]			10.92%
Spread	[14],[15]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	2,170
Ending balance	[14],[15]			$ 2,170
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance				$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
Total Rate				15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance				$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[24]			15.12%
Spread	[15],[24]			11.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[24]	200
Ending balance	[15],[24]			$ 200
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[24]			15.12%
Spread	[15],[24]			11.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[24]	522
Ending balance	[15],[24]			$ 522
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		273		463
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,107	[14]	643
Gross Additions		273		464
Gross Reductions		0		0
Ending balance		1,380	[11]	1,107	[14]	643
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		225		0
Amount of Interest, Fees or Dividends Credited to Income		76		70
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		455	[16]	0
Gross Additions		225		455
Gross Reductions		0		0
Ending balance		$ 680	[17]	455	[16]	0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		1		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(1)		0
Gross Additions		1		50
Gross Reductions		0		51
Ending balance		$ 0	[12]	$ (1)		0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		11.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,205
Ending balance		$ 30		$ 1,205
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		70
Gross Reductions		40
Ending balance		30		$ 0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				116
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,205		0
Gross Additions				1,205
Gross Reductions				0
Ending balance				1,205		0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		15
Amount of Interest, Fees or Dividends Credited to Income		129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,205
Gross Additions		21
Gross Reductions		51
Ending balance		1,175		$ 1,205
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Schedule of Investments [Line Items]
PIK Rate	[14],[16],[25]			16.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]	270
Ending balance		200	[11],[26]	$ 270	[14],[16],[25]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate	[14],[16],[25]			8.00%
PIK Rate	[14],[16],[25]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]	4,561
Ending balance		2,560	[11],[17],[26]	$ 4,561	[14],[16],[25]
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14]			12.00%
PIK Rate	[14]			1.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 190
Ending balance	[14]			$ 190
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[11],[12],[13]	1.00%	[14],[15]
PIK Rate	[14],[15]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (22)
Ending balance		$ (18)	[11],[12],[13]	$ (22)	[14],[15]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.64%	[11],[13]	11.40%	[14],[15]
Spread		7.25%	[11],[13]	1.00%	[14],[15]
PIK Rate		6.25%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 7,991
Ending balance		7,998	[11],[13]	$ 7,991	[14],[15]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	420
Ending balance		120	[11]	420	[14]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]	4,708
Ending balance		$ 533	[8]	$ 4,708	[7],[16]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[13]	16.00%
Spread		7.50%	[8],[13]	8.50%	[7],[15]
PIK Rate	[8],[13]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 0
Ending balance		$ 1,907	[8],[13]	$ 0	[7],[15]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.96%	[8],[13]	12.94%	[7],[15]
Spread		8.50%	[8],[13]	8.50%	[7],[15]
PIK Rate	[8],[13]	12.96%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 3,366
Ending balance		3,695	[8],[13]	$ 3,366	[7],[15]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]	1,173
Ending balance		129	[8],[10]	1,173	[7],[9]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	741
Ending balance		$ 498		$ 741	[16]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 80
Ending balance		80		$ 80
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[27],[28]	0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[27],[28]	$ 310
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13],[27],[28]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13],[27],[28]	$ (16)
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[27],[28]	11.54%
Spread	[11],[13],[27],[28]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[27],[28]	$ 4,040
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13],[27],[28]	13.54%
Spread	[11],[13],[27],[28]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[27],[28]	$ 4,040
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(370)		(160)
Amount of Interest, Fees or Dividends Credited to Income		30		207
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,770	[16]	1,930
Gross Additions		0		0
Gross Reductions		370		160
Ending balance		$ 1,400	[17]	$ 1,770	[16]	1,930
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.46%	[13]	14.12%	[15]
Spread		10.00%	[13]	10.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		224		220
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,491	[15]	2,005
Gross Additions		8		10
Gross Reductions		125		524
Ending balance		1,374	[13]	1,491	[15]	2,005
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[29],[30],[31]	1,576
Ending balance		1,360	[27],[32],[33]	1,576	[16],[29],[30],[31]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[29],[30],[31]	9,082
Ending balance		$ 8,716	[17],[27],[32],[33]	$ 9,082	[16],[29],[30],[31]
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%		6.00%
PIK Rate		6.00%		6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 0
Ending balance		$ 0		$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[23]	9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 8,345
Ending balance		$ 8,218	[23]	$ 8,345
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	10.46%
Spread		5.00%	[11],[13]	5.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 0
Ending balance		$ 310	[11],[13]	$ 0	[14],[15]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.46%	[11],[13]	8.91%	[14],[15]
Spread		5.00%	[11],[13]	5.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 13,255
Ending balance		13,121	[11],[13]	$ 13,255	[14],[15]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	379
Ending balance		379		379	[16]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance		$ 0		$ 0
Investment, Identifier [Axis]: CQ Fluency, LLC, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (44)
Investment, Identifier [Axis]: CQ Fluency, LLC, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (44)
Investment, Identifier [Axis]: CQ Fluency, LLC, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.45%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 7,280
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[15],[34]			11.99%
Spread	[14],[15],[34]			8.50%
PIK Rate	[14],[15],[34]			0.01%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[34]	20,112
Ending balance	[14],[15],[34]			$ 20,112
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			10.88%
Spread	[7],[15]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	7,342
Ending balance	[7],[15]			$ 7,342
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		500
Ending balance		$ 500		$ 500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]	11.38%
Spread		6.00%	[13]	6.00%	[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ (3)
Ending balance		$ 96	[13]	$ (3)	[15]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,196
Ending balance		2,185		$ 2,196
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	80
Ending balance		$ 80	[11]	$ 80	[14]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (4)
Ending balance		$ (3)	[11],[12],[13]	$ (4)	[14],[15]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.61%	[11],[13]	10.73%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,574
Ending balance		$ 2,581	[11],[13]	$ 2,574	[14],[15]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.61%	[11],[13]	10.48%	[14],[15]
Spread		6.00%	[11],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,995
Ending balance		1,985	[11],[13]	$ 1,995	[14],[15]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		590		639
Amount of Interest, Fees or Dividends Credited to Income		30		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,170		1,460
Gross Additions		590		710
Gross Reductions		0		0
Ending balance		$ 2,760		$ 2,170		1,460
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%	[12],[13]	9.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		3		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[15]	0
Gross Additions		0		360
Gross Reductions		0		360
Ending balance		$ 0	[12],[13]	$ 0	[15]	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.48%	[13]	13.13%	[15]
Spread		9.00%	[13]	9.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		29		115
Amount of Interest, Fees or Dividends Credited to Income		572		445
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,731	[15]	2,216
Gross Additions		663		1,612
Gross Reductions		0		97
Ending balance		4,394	[13]	3,731	[15]	2,216
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,599		(300)
Amount of Interest, Fees or Dividends Credited to Income		1,045		463
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,728	[16]	6,030
Gross Additions		1,602		0
Gross Reductions		0		302
Ending balance		7,330	[17]	5,728	[16]	6,030
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		37		180
Amount of Interest, Fees or Dividends Credited to Income		23		19
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		678	[16],[25]	385
Gross Additions		38		293
Gross Reductions		1		0
Ending balance		$ 715	[17],[26]	$ 678	[16],[25]	385
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13]	6.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		49		0
Amount of Interest, Fees or Dividends Credited to Income		11		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[15]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[12],[13]	$ 0	[15]	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.49%	[13]	12.13%	[15]
Spread		8.00%	[13]	8.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(4)		(42)
Amount of Interest, Fees or Dividends Credited to Income		553		486
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,236	[15]	4,454
Gross Additions		4		42
Gross Reductions		335		260
Ending balance		$ 3,905	[13]	$ 4,236	[15]	4,454
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.60%	[11],[13],[35]	10.72%	[14],[15],[36]
Spread		7.00%	[11],[13],[35]	6.25%	[14],[15],[36]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[36]	$ 169
Ending balance		$ 183	[11],[13],[35]	$ 169	[14],[15],[36]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.66%	[11],[13]	10.71%	[14],[15],[37]
Spread		7.00%	[11],[13]	6.25%	[14],[15],[37]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[37]	$ 3,539
Ending balance		$ 3,224	[11],[13]	$ 3,539	[14],[15],[37]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.66%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 179
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.66%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 432
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		590		(170)
Amount of Interest, Fees or Dividends Credited to Income		366		190
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,330	[16]	3,500
Gross Additions		590		0
Gross Reductions		0		170
Ending balance		3,920	[17]	3,330	[16]	3,500
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(760)		(500)
Amount of Interest, Fees or Dividends Credited to Income		69		190
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,060	[16]	2,560
Gross Additions		0		0
Gross Reductions		760		500
Ending balance		1,300	[17]	2,060	[16]	2,560
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		55		20
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		152	[25]	133
Gross Additions		130		19
Gross Reductions		0		0
Ending balance		$ 282	[26]	$ 152	[25]	133
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%		13.23%	[15]
Spread	[15]			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ 2,620
Ending balance		$ 2,103		$ 2,620	[15]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		11.50%
Spread				9.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 260
Ending balance		$ 251		$ 260
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		11.50%		13.23%
Spread				9.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(37)		0
Amount of Interest, Fees or Dividends Credited to Income		284		304
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,620		2,620
Gross Additions		0		0
Gross Reductions		517		0
Ending balance		$ 2,103		$ 2,620		2,620
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		26		27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		260		268
Gross Additions		0		0
Gross Reductions		9		8
Ending balance		251		$ 260		268
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[22],[24]			15.00%
PIK Rate	[14],[22],[24]			15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22],[24]	19
Ending balance		16	[11],[21],[23]	$ 19	[14],[22],[24]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	6,160
Ending balance		$ 4,000	[17]	$ 6,160	[16]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.69%	[13]	9.75%	[15]
Spread		6.00%	[13]	6.00%	[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ 1,140
Ending balance		$ 1,140	[13]	$ 1,140	[15]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,819
Ending balance		4,819		$ 4,819
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		3,570
Amount of Interest, Fees or Dividends Credited to Income		1,219
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[25]	14,550
Gross Additions		3,570
Gross Reductions		0
Ending balance		18,120	[17],[26]	$ 14,550	[16],[25]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15]			15.38%
Spread	[15]			10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	273
Ending balance		$ 0	[12]	$ 273	[15]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		2
Amount of Interest, Fees or Dividends Credited to Income		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		0		$ 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate				15.38%
Spread				10.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				11
Amount of Interest, Fees or Dividends Credited to Income				20
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 273		(6)
Gross Additions				1,033
Gross Reductions				754
Ending balance				$ 273		(6)
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		15.38%	[15]
Spread	[15]			10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ 6,882
Ending balance		$ 7,111		$ 6,882	[15]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		22
Amount of Interest, Fees or Dividends Credited to Income		562
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		7,872
Gross Reductions		761
Ending balance		7,111		$ 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				15.38%
Spread				10.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(30)
Amount of Interest, Fees or Dividends Credited to Income				963
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 6,882		7,187
Gross Additions				30
Gross Reductions				335
Ending balance				6,882		7,187
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread		10.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(11)
Amount of Interest, Fees or Dividends Credited to Income		26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		273
Gross Additions		14
Gross Reductions		287
Ending balance		$ 0		273
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Spread		10.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(96)
Amount of Interest, Fees or Dividends Credited to Income		500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,882
Gross Additions		0
Gross Reductions		6,882
Ending balance		0		6,882
Investment, Identifier [Axis]: Cody Pools, Inc.,Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				2,640
Amount of Interest, Fees or Dividends Credited to Income				1,004
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,550		11,910
Gross Additions				2,640
Gross Reductions				0
Ending balance				14,550		11,910
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				10
Amount of Interest, Fees or Dividends Credited to Income				349
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,290	[16]	2,280
Gross Additions				10
Gross Reductions				0
Ending balance				2,290	[16]	2,280
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		360
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		600
Gross Reductions		0
Ending balance		600		0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(370)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,290
Gross Additions		0
Gross Reductions		370
Ending balance		1,920		2,290
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		12		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		400		400
Gross Reductions		400		400
Ending balance		$ 0	[12]	$ 0		0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(41)		0
Amount of Interest, Fees or Dividends Credited to Income		471		761
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,729		6,007
Gross Additions		34		37
Gross Reductions		356		315
Ending balance		5,407		5,729		6,007
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		1,863
Gross Reductions		0
Ending balance		$ 1,863		0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0	[12]	0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		4,175
Gross Reductions		0
Ending balance		$ 4,175		$ 0
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.52%	[11],[13],[38]	12.56%	[14],[15],[39]
Spread		8.00%	[11],[13],[38]	8.00%	[14],[15],[39]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[39]	$ 3,851
Ending balance		$ 4,040	[11],[13],[38]	$ 3,851	[14],[15],[39]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.52%	[11],[13]	12.56%	[14],[15]
Spread		8.00%	[11],[13]	8.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 14,421
Ending balance		14,797	[11],[13]	$ 14,421	[14],[15]
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]	21,165
Ending balance		23,135	[11]	21,165	[14],[16]
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		38		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		588	[29],[30],[31]	710
Gross Additions		0		0
Gross Reductions		20		122
Ending balance		568	[17],[27],[32],[33]	588	[29],[30],[31]	710
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,820
Ending balance		$ 1,920		$ 1,820
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 5,300
Ending balance		$ 4,700		$ 5,300
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[11]	8.00%	[14]
PIK Rate		8.00%	[11]	8.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 380
Ending balance		$ 260	[11]	$ 380	[14]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[17]	10.00%	[14],[16]
PIK Rate		10.00%	[11],[17]	10.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]	$ 1,161
Ending balance		1,283	[11],[17]	$ 1,161	[14],[16]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[15]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	(1)
Ending balance	[14],[15]			$ (1)
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15]			12.24%
Spread	[14],[15]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	5,978
Ending balance	[14],[15]			$ 5,978
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	14
Ending balance	[14]			$ 14
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	60
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.90%
Spread	[14],[15]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	78
Ending balance	[14],[15]			$ 78
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[14],[15]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	(5)
Ending balance	[14],[15]			$ (5)
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[15]			12.56%
Spread	[14],[15]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	1,020
Ending balance	[14],[15]			$ 1,020
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(290)		10
Amount of Interest, Fees or Dividends Credited to Income		0		11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		300	[16]	290
Gross Additions		0		10
Gross Reductions		290		0
Ending balance		$ 10		$ 300	[16]	290
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%		7.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		4		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		25		0
Gross Additions		89		25
Gross Reductions		65		0
Ending balance		$ 49		$ 25		0
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		7.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(14)		20
Amount of Interest, Fees or Dividends Credited to Income		107		98
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		865		852
Gross Additions		22		43
Gross Reductions		43		30
Ending balance		844		865		852
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		50		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,459	[16]	2,459
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 2,459	[17]	$ 2,459	[16]	2,459
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.38%	[13]	14.13%	[15]
Spread		10.00%	[13]	10.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(17)		0
Amount of Interest, Fees or Dividends Credited to Income		586		510
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,878	[15]	4,186
Gross Additions		0		22
Gross Reductions		205		330
Ending balance		3,673	[13]	3,878	[15]	4,186
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(380)		970
Amount of Interest, Fees or Dividends Credited to Income		43		343
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,558	[16]	4,590
Gross Additions		0		968
Gross Reductions		378		0
Ending balance		$ 5,180	[17]	$ 5,558	[16]	4,590
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%
Spread	[15]			11.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(2)		5
Amount of Interest, Fees or Dividends Credited to Income		13		42
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[15]	(7)
Gross Additions		227		757
Gross Reductions		10		750
Ending balance		$ 217		$ 0	[15]	(7)
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		15.13%	[15]
Spread	[15]			11.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(19)		46
Amount of Interest, Fees or Dividends Credited to Income		730		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,352	[15]	0
Gross Additions		19		5,352
Gross Reductions		369		0
Ending balance		5,002		$ 5,352	[15]	0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(54)
Amount of Interest, Fees or Dividends Credited to Income				661
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		4,705
Gross Additions				0
Gross Reductions				4,705
Ending balance				0		4,705
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance		0	[11]	0	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	128
Ending balance		60	[11]	128	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance		$ 0	[11]	$ 0	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.45%	[11],[13]	9.18%	[14],[15]
Spread		5.00%	[11],[13]	4.50%	[14],[15]
PIK Rate		10.45%	[11],[13]	9.18%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,717
Ending balance		$ 1,912	[11],[13]	$ 1,717	[14],[15]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.45%	[11],[13]	11.18%	[14],[15]
Spread		7.00%	[11],[13]	6.50%	[14],[15]
PIK Rate		12.45%	[11],[13]	11.18%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,642
Ending balance		1,859	[11],[13]	$ 1,642	[14],[15]
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			10.70%
Spread	[7],[15]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	6,156
Ending balance	[7],[15]			$ 6,156
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		497
Ending balance		390		497
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[25]	102
Ending balance		$ 109	[26]	$ 102	[25]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13]	6.00%	[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ (1)
Ending balance		$ 0	[12],[13]	$ (1)	[15]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,192
Ending balance		$ 1,200		$ 1,192
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 411
Ending balance		$ 409		$ 411
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.79%	[8],[13]	10.67%	[7],[15]
Spread		6.25%	[8],[13]	6.25%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 2,328
Ending balance		$ 2,175	[8],[13]	$ 2,328	[7],[15]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.68%
Spread		5.50%	[11],[12],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 41
Ending balance		$ 0	[11],[12],[13]	$ 41	[14],[15]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.98%	[11],[13]	10.92%	[14],[15]
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 5,159
Ending balance		5,095	[11],[13]	$ 5,159	[14],[15]
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 190
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (9)
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.45%
Spread	[11],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 6,924
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.61%	[11],[13]	10.67%	[14],[15],[25]
Spread		7.00%	[11],[13]	7.00%	[14],[15],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[25]	$ 292
Ending balance		$ 302	[11],[13]	$ 292	[14],[15],[25]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.61%	[11],[13]	10.67%	[14],[15],[25]
Spread		7.00%	[11],[13]	7.00%	[14],[15],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[25]	$ 3,507
Ending balance		$ 3,614	[11],[13]	$ 3,507	[14],[15],[25]
Investment, Identifier [Axis]: Fidelity Government Portfolio Class III Fund
Schedule of Investments [Line Items]
Total Rate		5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[40]	$ 3,188
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z
Schedule of Investments [Line Items]
Total Rate		5.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[41]	$ 17,656
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				1,800
Amount of Interest, Fees or Dividends Credited to Income				538
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,400	[16]	2,600
Gross Additions				1,800
Gross Reductions				0
Ending balance		$ 6,970	[17]	$ 4,400	[16]	2,600
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15]			10.75%
Spread		6.50%		6.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(15)		15
Amount of Interest, Fees or Dividends Credited to Income		121		167
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,900	[15]	1,581
Gross Additions		15		319
Gross Reductions		1,915		0
Ending balance		$ 0		$ 1,900	[15]	1,581
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15]			13.25%
Spread		9.00%		9.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(123)		123
Amount of Interest, Fees or Dividends Credited to Income		478		706
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,300	[15]	5,145
Gross Additions		123		155
Gross Reductions		5,423		0
Ending balance		0		$ 5,300	[15]	5,145
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.21%
Spread	[14],[15]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	818
Ending balance	[14],[15]			$ 818
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15]			12.19%
Spread	[14],[15]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	12,327
Ending balance	[14],[15]			$ 12,327
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(57)
Amount of Interest, Fees or Dividends Credited to Income		598		421
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,848	[16],[29],[30],[31]	7,231
Gross Additions		0		0
Gross Reductions		2,143		1,383
Ending balance		3,705	[17],[27],[32],[33]	5,848	[16],[29],[30],[31]	7,231
Investment, Identifier [Axis]: GFG Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,080		40
Amount of Interest, Fees or Dividends Credited to Income		200		144
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,790		1,750
Gross Additions		1,080		40
Gross Reductions		0		0
Ending balance		$ 2,870	[17]	$ 1,790		1,750
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(26)
Amount of Interest, Fees or Dividends Credited to Income				329
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,836		3,136
Gross Additions				26
Gross Reductions				326
Ending balance		$ 2,336		2,836		3,136
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(25)
Amount of Interest, Fees or Dividends Credited to Income		263
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,836
Gross Additions		25
Gross Reductions		525
Ending balance		2,336		2,836
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	1,790
Ending balance	[16]			$ 1,790
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate				9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,836
Ending balance				$ 2,836
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(860)
Amount of Interest, Fees or Dividends Credited to Income		90		1,244
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		21,890	[16]	22,750
Gross Additions		0		0
Gross Reductions		0		860
Ending balance		$ 21,890		$ 21,890	[16]	22,750
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.48%		10.12%
Spread		6.00%		6.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		3		6
Amount of Interest, Fees or Dividends Credited to Income		88		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		330		0
Gross Additions		852		330
Gross Reductions		0		0
Ending balance		$ 1,182		$ 330		0
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.48%		12.12%
Spread		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(50)		(32)
Amount of Interest, Fees or Dividends Credited to Income		2,696		1,972
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,943		19,152
Gross Additions		51		824
Gross Reductions		50		33
Ending balance		19,944		19,943		19,152
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		11,460		290
Amount of Interest, Fees or Dividends Credited to Income		1,491		224
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,720	[16]	12,430
Gross Additions		11,460		290
Gross Reductions		0		0
Ending balance		$ 24,180		$ 12,720	[16]	12,430
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[12],[13],[19]	8.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		2		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[15]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[12],[13],[19]	$ 0	[15]	0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.50%	[13],[19]	11.50%	[15]
Spread		7.50%	[13],[19]	8.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(88)		272
Amount of Interest, Fees or Dividends Credited to Income		1,727		113
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		16,020	[15]	0
Gross Additions		88		16,020
Gross Reductions		2,588		0
Ending balance		13,520	[13],[19]	$ 16,020	[15]	0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(17)
Amount of Interest, Fees or Dividends Credited to Income				559
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		5,400
Gross Additions				0
Gross Reductions				5,400
Ending balance				0		5,400
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 210
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (76)
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.22%
Spread	[11],[13]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 9,384
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0		0		0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(330)		(450)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		950		0
Gross Additions		0		1,400
Gross Reductions		330		450
Ending balance		$ 620		$ 950		0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%	[12],[13]	9.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[15]	64
Gross Additions		0		0
Gross Reductions		0		64
Ending balance		$ 0	[12],[13]	$ 0	[15]	64
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 571
Ending balance		$ 571		$ 571
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		73
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		571
Gross Additions		0
Gross Reductions		0
Ending balance		571		$ 571
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
PIK Rate				6.25%
Amount of Realized Gain/(Loss)				$ (1,455)
Amount of Unrealized Gain/(Loss)				962
Amount of Interest, Fees or Dividends Credited to Income				126
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		2,429
Gross Additions				0
Gross Reductions				2,429
Ending balance				$ 0		2,429
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate				12.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(29)
Amount of Interest, Fees or Dividends Credited to Income				19
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 571		0
Gross Additions				600
Gross Reductions				29
Ending balance				$ 571		0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.34%	[11],[13],[23]	14.34%	[14],[15]
Spread		9.50%	[11],[13],[23]	9.50%	[14],[15]
PIK Rate		14.34%	[11],[13],[23]	2.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 175
Ending balance		$ 186	[11],[13],[23]	$ 175	[14],[15]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.34%	[11],[13],[23]	14.34%	[14],[15]
Spread		9.50%	[11],[13],[23]	9.50%	[14],[15]
PIK Rate		14.34%	[11],[13],[23]	2.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,731
Ending balance		$ 1,849	[11],[13],[23]	$ 1,731	[14],[15]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (18)
Ending balance		$ (14)	[11],[12],[13]	$ (18)	[14],[15]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.86%
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (18)
Ending balance		$ 1,995	[11],[13]	$ (18)	[14],[15]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.86%	[11],[13]	10.62%	[14],[15]
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,975
Ending balance		4,925	[11],[13]	$ 4,975	[14],[15]
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		779
Amount of Unrealized Gain/(Loss)		156		254
Amount of Interest, Fees or Dividends Credited to Income		4		(50)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,331		4,712
Gross Additions		403		587
Gross Reductions		509		968
Ending balance		4,225		4,331		4,712
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		2,223		0
Amount of Unrealized Gain/(Loss)		(952)		2,389
Amount of Interest, Fees or Dividends Credited to Income		142		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,552	[29],[30],[31]	3,971
Gross Additions		2,796		3,581
Gross Reductions		4,298		0
Ending balance		6,050	[17],[27],[32],[33]	7,552	[29],[30],[31]	3,971
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[29],[30],[31]	4,331
Ending balance		4,225	[27],[32],[33]	4,331	[29],[30],[31]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	4,370
Ending balance		4,370		4,370	[16]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[25]	230
Ending balance		$ 230	[26]	$ 230	[25]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.65%	[13]	10.13%	[15]
Spread		6.00%	[13]	6.00%	[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ 796
Ending balance		$ 494	[13]	$ 796	[15]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 8,200
Ending balance		$ 9,744		$ 8,200
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.91%	[11],[13]	12.07%	[14]
Spread		8.25%	[11],[13]	8.25%	[14]
PIK Rate	[11],[13]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 6,826
Ending balance		7,313	[11],[13]	$ 6,826	[14]
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		3,774
Gross Reductions		174
Ending balance		3,600		0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		173
Gross Reductions		200
Ending balance		$ (27)	[12]	0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		692
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		9,179
Gross Reductions		110
Ending balance		$ 9,069		$ 0
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[15],[42]			10.17%
Spread		5.75%	[8],[12],[13]	5.75%	[7],[15],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[42]	$ 465
Ending balance		$ 0	[8],[12],[13]	$ 465	[7],[15],[42]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.96%	[8],[13]	10.17%	[7],[15]
Spread		5.50%	[8],[13]	5.75%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 8,291
Ending balance		$ 6,266	[8],[13]	$ 8,291	[7],[15]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[13]	10.96%
Spread	[8],[13]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 1,942
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.36%	[8],[13]	10.48%	[7],[15]
Spread		5.75%	[8],[13]	5.75%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 5,972
Ending balance		$ 5,325	[8],[13]	$ 5,972	[7],[15]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]	16.59%
Spread	[13]	9.00%
PIK Rate	[13]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13]	$ 201
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[13]	16.59%
Spread	[13]	9.00%
PIK Rate	[13]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13]	$ 174
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[13]	15.59%
Spread	[13]	8.00%
PIK Rate	[13]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13]	$ 842
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[13]	17.59%
Spread	[13]	10.00%
PIK Rate	[13]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13]	$ 848
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[10]	523
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 550
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[43]	12.41%
Spread	[11],[13],[43]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[43]	$ 786
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.45%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 10,318
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.25%	[11],[13]	13.98%	[14],[15]
Spread		7.75%	[11],[13]	7.75%	[14],[15]
PIK Rate		1.00%	[11],[13]	1.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 15,961
Ending balance		15,816	[11],[13]	$ 15,961	[14],[15]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(220)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		6,540
Gross Reductions		220
Ending balance		6,320	[11]	0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance	[14]			$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 1
Schedule of Investments [Line Items]
Total Rate	[14]			6.00%
PIK Rate	[14]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance	[14]			$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance	[14]			$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14]			14.42%
Spread	[14]			10.00%
PIK Rate	[14]			14.42%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	459
Ending balance	[14]			$ 459
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[22]			6.00%
PIK Rate	[14],[22]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22]	4,515
Ending balance	[14],[22]			$ 4,515
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance	[14]			0
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[25]	1,400
Ending balance		$ 1,610	[11],[26]	$ 1,400	[14],[25]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[17],[26]	10.00%	[14],[16],[25]
PIK Rate		10.00%	[11],[17],[26]	10.00%	[14],[16],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]	$ 338
Ending balance		$ 415	[11],[17],[26]	$ 338	[14],[16],[25]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		20.00%	[11],[17],[26]	20.00%	[14],[16],[25]
PIK Rate		20.00%	[11],[17],[26]	20.00%	[14],[16],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]	$ 217
Ending balance		$ 279	[11],[17],[26]	$ 217	[14],[16],[25]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.22%	[11],[13],[44]	11.50%	[14],[15]
Spread		6.75%	[11],[13],[44]	6.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 387
Ending balance		$ 752	[11],[13],[44]	$ 387	[14],[15]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.22%	[11],[13]	11.50%	[14],[15]
Spread		6.75%	[11],[13]	6.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 10,871
Ending balance		11,436	[11],[13]	$ 10,871	[14],[15]
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 1,000
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 4,314
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.21%
Spread		5.75%	[11],[13]	5.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (48)
Ending balance		$ 1,881	[11],[13]	$ (48)	[14],[15]
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.21%	[11],[13]	10.23%	[14],[15]
Spread		5.75%	[11],[13]	5.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 10,742
Ending balance		9,690	[11],[13]	$ 10,742	[14],[15]
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 239
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (40)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (33)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.65%
Spread	[11],[13]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 8,287
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 190
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[45]	13.53%
Spread	[11],[13],[45]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[45]	$ 664
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.55%
Spread	[11],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 6,144
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.55%
Spread	[11],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,237
Investment, Identifier [Axis]: Integral Energy Services, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,300)
Amount of Interest, Fees or Dividends Credited to Income		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,490
Gross Additions		0
Gross Reductions		1,300
Ending balance		$ 190	[11]	1,490
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[11]	10.00%
PIK Rate	[11]	10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		85
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		350
Gross Reductions		0
Ending balance		$ 350	[11]	0
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.16%
Spread	[11],[13]	7.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(787)
Amount of Interest, Fees or Dividends Credited to Income		2,773
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,425
Gross Additions		94
Gross Reductions		2,287
Ending balance		16,232	[11],[13]	18,425
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	0
Ending balance		$ 0	[11]	$ 0	[14]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.48%	[11],[23],[46]	14.22%	[14],[47]
Spread		10.00%	[11],[23],[46]	10.00%	[14],[47]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[47]	$ 1,682
Ending balance		$ 1,781	[11],[23],[46]	$ 1,682	[14],[47]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.46%	[11],[21],[23]	12.07%	[14],[15],[22]
Spread		7.00%	[11],[21],[23]	7.00%	[14],[15],[22]
PIK Rate		12.46%	[11],[21],[23]	1.00%	[14],[15],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[22]	$ 1,085
Ending balance		$ 433	[11],[21],[23]	$ 1,085	[14],[15],[22]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.47%	[8],[13]	10.38%	[7],[15]
Spread		6.00%	[8],[13]	6.00%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 4,342
Ending balance		$ 5,370	[8],[13]	$ 4,342	[7],[15]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[11],[13]	10.14%	[14],[15]
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 622
Ending balance		$ 509	[11],[13]	$ 622	[14],[15]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[11],[13]	10.17%	[14],[15]
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 17,148
Ending balance		16,515	[11],[13]	$ 17,148	[14],[15]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		449
Ending balance		$ 670		$ 449
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,108
Ending balance		$ 1,108		$ 1,108
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 771
Ending balance		$ 722		$ 771
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,236
Ending balance		$ 2,236		$ 2,236
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,813
Ending balance		$ 4,815		$ 4,813
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 2,525
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 0
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.04%	[8],[13]	9.93%	[7],[15],[22]
Spread		5.50%	[8],[13]	7.75%	[7],[15],[22]
PIK Rate	[8],[13]	8.54%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[22]	$ 1,537
Ending balance		2,301	[8],[13]	$ 1,537	[7],[15],[22]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	240
Ending balance		$ 140	[11]	$ 240	[14]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[48]	11.64%
Spread		6.00%	[11],[13],[48]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (11)
Ending balance		$ 261	[11],[13],[48]	$ (11)	[14],[15]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.61%	[11],[13]	10.73%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 3,059
Ending balance		3,000	[11],[13]	$ 3,059	[14],[15]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[14],[16]			12.00%
PIK Rate	[14],[16]			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]	1,247
Ending balance		$ 2,190	[11]	$ 1,247	[14],[16]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.46%	[11]	12.23%	[14],[15]
Spread		7.00%	[11]	7.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,000
Ending balance		$ 1,675	[11]	$ 1,000	[14],[15]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.46%	[11]	12.23%	[14],[15]
Spread		7.00%	[11]	7.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,126
Ending balance		3,948	[11]	$ 4,126	[14],[15]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	0
Ending balance		$ 0	[8]	$ 0	[7]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		23.63%	[8],[13],[21]	18.00%	[7]
Spread	[8],[13],[21]	18.00%
PIK Rate	[8],[13],[21]	23.63%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 1,935
Ending balance		$ 1,747	[8],[13],[21]	$ 1,935	[7]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.63%	[8],[13],[21]	19.75%	[7],[22]
Spread	[8],[13],[21]	16.00%
PIK Rate		21.63%	[8],[13],[21]	19.75%	[7],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[22]	$ 418
Ending balance		$ 121	[8],[13],[21]	$ 418	[7],[22]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[13],[21]	21.63%
Spread	[8],[13],[21]	16.00%
PIK Rate	[8],[13],[21]	21.63%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13],[21]	$ 117
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	620
Ending balance		1,070		$ 620	[16]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15]			11.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	0
Ending balance		$ 0	[12]	$ 0	[15]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%		15.63%	[15]
Spread	[15]			11.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]	$ 1,111
Ending balance		2,690		$ 1,111	[15]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	1,193
Ending balance		$ 1,193	[17]	$ 1,193	[16]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,802
Ending balance		$ 2,814		$ 2,802
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.75%	[11],[13]	12.00%	[14],[15]
Spread		9.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 1,244
Ending balance		$ 1,180	[11],[13]	$ 1,244	[14],[15]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.75%	[11],[13]	12.00%	[14],[15]
Spread		9.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 8,778
Ending balance		8,475	[11],[13]	$ 8,778	[14],[15]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(30)		98
Amount of Interest, Fees or Dividends Credited to Income		29		28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		713	[16],[25]	615
Gross Additions		0		99
Gross Reductions		30		1
Ending balance		683	[26]	713	[16],[25]	615
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		620		(1,280)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,800		3,080
Gross Additions		620		0
Gross Reductions		0		1,280
Ending balance		$ 2,420		$ 1,800		3,080
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		11.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(18)		18
Amount of Interest, Fees or Dividends Credited to Income		668		630
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,093		5,040
Gross Additions		58		53
Gross Reductions		218		0
Ending balance		$ 4,933		$ 5,093		5,040
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		86		88
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		961		970
Gross Additions		0		0
Gross Reductions		10		9
Ending balance		$ 951		$ 961		970
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[13]	11.21%	[14],[15]
Spread		7.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 7,945
Ending balance		$ 7,960	[11],[13]	$ 7,945	[14],[15]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[13]	11.67%	[14],[15]
Spread		7.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 6,119
Ending balance		$ 5,246	[11],[13]	$ 6,119	[14],[15]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[13]	11.67%	[14],[15]
Spread		7.25%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 8,820
Ending balance		$ 0	[11],[13]	$ 8,820	[14],[15]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.71%
Spread	[11],[13]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 871
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.71%
Spread	[11],[13]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 8,822
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.54%	[11],[13]	12.74%	[14],[15]
Spread		9.00%	[11],[13]	9.00%	[14],[15]
PIK Rate	[11],[13]	1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,833
Ending balance		$ 4,417	[11],[13]	$ 4,833	[14],[15]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.62%	[8]	9.73%	[7]
Spread		5.00%	[8]	5.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 5,622
Ending balance		$ 5,592	[8]	$ 5,622	[7]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[11],[13]	10.13%	[14],[15]
Spread		4.75%	[11],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 7,843
Ending balance		$ 9,069	[11],[13]	$ 7,843	[14],[15]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.46%	[8],[13]	10.42%	[7],[15]
Spread		6.00%	[8],[13]	6.00%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 8,359
Ending balance		$ 2,803	[8],[13]	$ 8,359	[7],[15]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.46%	[8],[13]	10.42%	[7],[15]
Spread		6.00%	[8],[13]	6.00%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 7,876
Ending balance		$ 3,925	[8],[13]	$ 7,876	[7],[15]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[13]	11.46%
Spread	[8],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 3,464
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8],[13]	11.46%
Spread	[8],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 7,796
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		80		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		80		0
Gross Reductions		0		0
Ending balance		80		0		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[23]	13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		307		175
Amount of Interest, Fees or Dividends Credited to Income		190		250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,137		1,484
Gross Additions		308		177
Gross Reductions		189		524
Ending balance		$ 1,256	[23]	$ 1,137		1,484
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15],[49]			11.79%
Spread		6.75%	[11],[12],[13]	7.25%	[14],[15],[49]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[49]	$ 3,426
Ending balance		$ 0	[11],[12],[13]	$ 3,426	[14],[15],[49]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.28%	[11],[13]	11.09%	[14],[15]
Spread		6.75%	[11],[13]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 16,959
Ending balance		16,721	[11],[13]	$ 16,959	[14],[15]
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(4,160)		0
Amount of Unrealized Gain/(Loss)		4,160		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		4,160		0
Gross Reductions		4,160		0
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[22]			12.00%
Spread		11.00%
PIK Rate	[22]			12.00%
Amount of Realized Gain/(Loss)		$ (6,465)		$ 0
Amount of Unrealized Gain/(Loss)		6,060		(1,831)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		403	[22]	2,234
Gross Additions		6,060		0
Gross Reductions		6,463		1,831
Ending balance		0		403	[22]	2,234
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		113
Ending balance				$ 113
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[16]			8.00%
PIK Rate	[16]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	441
Ending balance	[16]			$ 441
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(1)
Ending balance				$ (1)
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,697
Ending balance				$ 1,697
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 110
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[17]	8.00%
PIK Rate	[17]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[17]	$ 443
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[12]	$ 0
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 1,707
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (7)
Ending balance		$ (6)	[11],[12],[13]	$ (7)	[14],[15]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.46%	[11],[13]	9.86%	[14],[15]
Spread		6.00%	[11],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 3,034
Ending balance		$ 2,671	[11],[13]	$ 3,034	[14],[15]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.52%	[11],[13]	10.66%	[14],[15]
Spread		7.00%	[11],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 18,338
Ending balance		17,524	[11],[13]	$ 18,338	[14],[15]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 300
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (28)
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (10)
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	10.64%
Spread	[11],[13]	5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,149
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.64%
Spread	[11],[13]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,146
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29],[50]	256
Ending balance		$ 197	[11],[27],[28]	$ 256	[14],[29],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[27],[28]	14.00%
Spread	[14],[15],[29],[50]			7.00%
PIK Rate	[11],[27],[28]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[29],[50]	$ (19)
Ending balance		$ 1,133	[11],[27],[28]	$ (19)	[14],[15],[29],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[27],[28]	11.73%	[14],[15],[29],[50]
Spread	[14],[15],[29],[50]			7.00%
PIK Rate	[11],[27],[28]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[29],[50]	$ 3,139
Ending balance		$ 3,184	[11],[27],[28]	$ 3,139	[14],[15],[29],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[27],[28]	11.73%	[14],[15],[29],[50]
Spread	[14],[15],[29],[50]			7.00%
PIK Rate	[11],[27],[28]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[29],[50]	$ 4,906
Ending balance		4,957	[11],[27],[28]	$ 4,906	[14],[15],[29],[50]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		890		3,500
Amount of Interest, Fees or Dividends Credited to Income		1,131		1,050
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,708	[16]	2,210
Gross Additions		890		3,498
Gross Reductions		0		0
Ending balance		6,598	[17]	5,708	[16]	2,210
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[12]	$ 0		0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		146		152
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,436		1,595
Gross Additions		0		0
Gross Reductions		0		159
Ending balance		1,436		$ 1,436		1,595
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			9.50%
Spread	[7],[15]			6.25%
PIK Rate	[7],[15]			1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	3,915
Ending balance	[7],[15]			$ 3,915
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15],[51]			10.85%
Spread	[14],[15],[51]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[51]	1,482
Ending balance	[14],[15],[51]			$ 1,482
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15]			12.56%
Spread	[14],[15]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	19,620
Ending balance	[14],[15]			$ 19,620
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14]			20.00%
PIK Rate	[14]			20.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	3,065
Ending balance	[14]			$ 3,065
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,310		(723)
Amount of Interest, Fees or Dividends Credited to Income		166		20
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		280	[16]	670
Gross Additions		1,310		333
Gross Reductions		0		723
Ending balance		$ 1,590	[17]	280	[16]	670
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		199
Gross Additions		0		0
Gross Reductions		0		199
Ending balance		$ 0	[12]	$ 0		199
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		11.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		708		(188)
Amount of Interest, Fees or Dividends Credited to Income		289		486
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,119		3,311
Gross Additions		729		0
Gross Reductions		413		1,192
Ending balance		$ 2,435		$ 2,119		3,311
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 0
Ending balance		$ (3)	[11],[12],[13]	$ 0	[14],[15]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (23)
Ending balance		$ (12)	[11],[12],[13]	$ (23)	[14],[15]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[13]	9.99%	[14],[15]
Spread		7.00%	[11],[13]	6.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 11,634
Ending balance		$ 10,991	[11],[13]	$ 11,634	[14],[15]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.52%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,878
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,290
Ending balance		1,290		1,290
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		300		(1,370)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,010		3,380
Gross Additions		300		0
Gross Reductions		0		1,370
Ending balance		2,310		2,010		3,380
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,010
Ending balance		2,310		2,010
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		775
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,290		0
Gross Additions		0		1,290
Gross Reductions		0		0
Ending balance		$ 1,290		$ 1,290		0
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.98%	[13]	10.63%	[15]
Spread		6.50%	[13]	6.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(2)		2
Amount of Interest, Fees or Dividends Credited to Income		120		78
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,100	[15]	430
Gross Additions		1		670
Gross Reductions		202		0
Ending balance		$ 899	[13]	$ 1,100	[15]	430
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(1)
Amount of Interest, Fees or Dividends Credited to Income		564		545
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,603		4,310
Gross Additions		3		294
Gross Reductions		0		1
Ending balance		4,606		$ 4,603		4,310
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[15]			10.64%
Spread	[14],[15]			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 16,368
Ending balance	[14],[15]			$ 16,368
Investment, Identifier [Axis]: Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8]	11.47%
Spread	[8]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 6,039
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		264		264
Gross Additions		18		0
Gross Reductions		0		0
Ending balance		$ 282		$ 264		264
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		16.48%	[13]	15.13%	[15]
Spread		11.00%	[13]	11.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(7)		0
Amount of Interest, Fees or Dividends Credited to Income		231		190
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,380	[15]	1,374
Gross Additions		6		6
Gross Reductions		47		0
Ending balance		1,339	[13]	1,380	[15]	1,374
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,320		440
Amount of Interest, Fees or Dividends Credited to Income		274		225
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,940	[16],[25]	2,500
Gross Additions		1,320		440
Gross Reductions		0		0
Ending balance		$ 4,260	[17],[26]	$ 2,940	[16],[25]	2,500
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[12],[13]	11.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		2		0
Amount of Interest, Fees or Dividends Credited to Income		1		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(2)	[15]	41
Gross Additions		2		1
Gross Reductions		0		44
Ending balance		$ 0	[12],[13]	$ (2)	[15]	41
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.48%	[13]	15.13%	[15]
Spread		11.00%	[13]	11.00%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		58		0
Amount of Interest, Fees or Dividends Credited to Income		955		815
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,814	[15]	5,937
Gross Additions		86		27
Gross Reductions		390		150
Ending balance		5,510	[13]	5,814	[15]	5,937
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]
Amount of Realized Gain/(Loss)		(1,541)
Amount of Unrealized Gain/(Loss)		649
Amount of Interest, Fees or Dividends Credited to Income		(151)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		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]
Amount of Realized Gain/(Loss)		1,541
Amount of Unrealized Gain/(Loss)		(649)
Amount of Interest, Fees or Dividends Credited to Income		(94)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(6,392)
Gross Additions		6,392
Gross Reductions		0
Ending balance		$ 0		$ (6,392)
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[27],[28],[52]	12.80%
Spread		7.25%	[11],[13],[27],[28],[52]	7.25%	[15],[29],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[29],[53]	$ (12)
Ending balance		$ 196	[11],[13],[27],[28],[52]	$ (12)	[15],[29],[53]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.88%	[11],[13],[27],[28]	11.80%	[15],[29],[53]
Spread		7.25%	[11],[13],[27],[28]	7.25%	[15],[29],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[29],[53]	$ 1,828
Ending balance		$ 1,720	[11],[13],[27],[28]	$ 1,828	[15],[29],[53]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			10.26%
Spread		5.75%	[11],[12],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 70
Ending balance		$ 0	[11],[12],[13]	$ 70	[14],[15]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.24%	[11],[13],[54]	9.96%	[14],[15],[55]
Spread		5.75%	[11],[13],[54]	5.75%	[14],[15],[55]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[55]	$ 349
Ending balance		$ 421	[11],[13],[54]	$ 349	[14],[15],[55]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.25%	[11],[13]	9.81%	[14],[15]
Spread		5.75%	[11],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,317
Ending balance		2,442	[11],[13]	$ 2,317	[14],[15]
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		3,135
Gross Reductions		0
Ending balance		$ 3,135		0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		105
Gross Reductions		0
Ending balance		$ 105		0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		7,472
Gross Reductions		0
Ending balance		7,472		$ 0
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 500
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (35)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (35)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.12%
Spread	[11],[13]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 7,939
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.28%
Spread	[11],[13]	6.85%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 5,970
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.20%
Spread	[11],[13]	6.85%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 570
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 1,302
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (19)
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.70%
Spread	[11],[13]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,813
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[44]	12.22%
Spread		6.75%	[11],[13],[44]	6.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (11)
Ending balance		$ 745	[11],[13],[44]	$ (11)	[14],[15]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.21%	[11],[13]	10.56%	[14],[15]
Spread		6.75%	[11],[13]	6.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 11,685
Ending balance		12,089	[11],[13]	$ 11,685	[14],[15]
Investment, Identifier [Axis]: RM Bidder, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	13
Ending balance	[14]			13
Investment, Identifier [Axis]: RM Bidder, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[56]	$ 0
Ending balance	[14],[56]			$ 0
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.14%	[8],[13]	8.84%	[7],[15]
Spread		5.50%	[8],[13]	5.50%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 7,434
Ending balance		$ 7,237	[8],[13]	$ 7,434	[7],[15]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[57]	18.47%
Spread	[11],[13],[57]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[57]	$ 818
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.88%
Spread	[11],[13]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 10,362
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(1,650)		420
Amount of Interest, Fees or Dividends Credited to Income		0		62
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,650		0
Gross Additions		0		1,650
Gross Reductions		1,650		0
Ending balance		$ 0		1,650		0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		4		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(8)	[15]	0
Gross Additions		2		2
Gross Reductions		0		10
Ending balance		$ (6)	[12]	$ (8)	[15]	0
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%	[15]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(323)		0
Amount of Interest, Fees or Dividends Credited to Income		507		529
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,902	[15]	0
Gross Additions		18		3,977
Gross Reductions		499		75
Ending balance		$ 3,421		$ 3,902	[15]	0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			10.97%
Spread		6.50%	[11],[12],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 389
Ending balance		$ 0	[11],[12],[13]	$ 389	[14],[15]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.16%	[11],[13]	10.32%	[14],[15]
Spread		6.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,917
Ending balance		$ 4,142	[11],[13]	$ 2,917	[14],[15]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.16%	[11],[13]	10.32%	[14],[15]
Spread		8.50%	[11],[13]	6.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 3,967
Ending balance		$ 4,082	[11],[13]	$ 3,967	[14],[15]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.54%	[11],[13]	13.02%	[14],[15]
Spread		6.00%	[11],[13]	6.25%	[14],[15]
PIK Rate		2.00%	[11],[13]	2.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 5,597
Ending balance		$ 6,383	[11],[13]	$ 5,597	[14],[15]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.54%	[11],[13]	13.02%	[14],[15]
Spread		6.00%	[11],[13]	6.25%	[14],[15]
PIK Rate		2.00%	[11],[13]	2.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 8,293
Ending balance		8,984	[11],[13]	$ 8,293	[14],[15]
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,737		690
Amount of Interest, Fees or Dividends Credited to Income		399		216
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,550	[16]	3,860
Gross Additions		1,840		690
Gross Reductions		0		0
Ending balance		$ 6,390	[17]	4,550	[16]	3,860
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.25%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		6		0
Amount of Interest, Fees or Dividends Credited to Income		28		78
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		750
Gross Additions		625		1,250
Gross Reductions		250		2,000
Ending balance		$ 375		$ 0		750
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.47%		9.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 29,929
Ending balance		$ 18,179		$ 29,929
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.47%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		161
Amount of Interest, Fees or Dividends Credited to Income		1,278
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		18,179
Gross Reductions		0
Ending balance		18,179		$ 0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				9.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				76
Amount of Interest, Fees or Dividends Credited to Income				2,708
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 29,929		21,200
Gross Additions				10,375
Gross Reductions				1,646
Ending balance				29,929		21,200
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(134)
Amount of Interest, Fees or Dividends Credited to Income		1,403
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		29,929
Gross Additions		0
Gross Reductions		29,929
Ending balance		0		29,929
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	183
Ending balance	[14]			$ 183
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.01%
Spread	[14],[15]			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	491
Ending balance	[14],[15]			$ 491
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.01%
Spread	[14],[15]			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	1,803
Ending balance	[14],[15]			$ 1,803
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.01%
Spread	[14],[15]			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	8,974
Ending balance	[14],[15]			$ 8,974
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	200
Ending balance		$ 160	[11]	$ 200	[14]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[11],[12],[13]	7.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (18)
Ending balance		$ 0	[11],[12],[13]	$ (18)	[14],[15]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.72%	[11],[13]	11.06%	[14],[15]
Spread		8.00%	[11],[13]	7.50%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,975
Ending balance		4,925	[11],[13]	$ 4,975	[14],[15]
Investment, Identifier [Axis]: Savers, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			10.34%
Spread	[7],[15]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	4,149
Ending balance	[7],[15]			$ 4,149
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	400
Ending balance		$ 600		$ 400	[16]
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 3,460
Ending balance		2,860		$ 3,460
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				(94)
Amount of Interest, Fees or Dividends Credited to Income				50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,490	[14]	1,250
Gross Additions				334
Gross Reductions				94
Ending balance				$ 1,490	[14]	1,250
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[15]			11.24%
Spread	[14],[15]			7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				282
Amount of Interest, Fees or Dividends Credited to Income				1,676
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,425	[14],[15]	13,738
Gross Additions				4,687
Gross Reductions				0
Ending balance				18,425	[14],[15]	13,738
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	92
Ending balance		$ 59	[11]	$ 92	[14]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.46%
Spread		6.00%	[11],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (6)
Ending balance		$ 34	[11],[13]	$ (6)	[14],[15]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.70%	[11],[13]	9.69%	[14],[15]
Spread		6.00%	[11],[13]	5.75%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 3,523
Ending balance		2,979	[11],[13]	$ 3,523	[14],[15]
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[14]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[11]	$ 0	[14]	0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.50%	[11],[21]	13.27%	[14]
Spread	[14]			8.50%
PIK Rate	[11],[21]	8.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(1,881)
Amount of Interest, Fees or Dividends Credited to Income		364
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	5,063
Gross Additions		244
Gross Reductions		1,764
Ending balance		3,543	[11],[21]	$ 5,063	[14]
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.27%
Spread				8.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,063		0
Gross Additions				5,063
Gross Reductions				0
Ending balance				5,063		0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				(6,651)
Amount of Unrealized Gain/(Loss)				4,438
Amount of Interest, Fees or Dividends Credited to Income				12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				6,524
Gross Reductions				6,524
Ending balance				0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				(391)
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,920		2,145
Gross Additions				166
Gross Reductions				391
Ending balance				1,920		2,145
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,920)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,920
Gross Additions		0
Gross Reductions		1,920
Ending balance		0		1,920
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(141)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		124
Gross Reductions		124
Ending balance		0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(165)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		165
Gross Reductions		165
Ending balance		$ 0		$ 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[23]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(28)		0
Amount of Interest, Fees or Dividends Credited to Income		56		55
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		460		259
Gross Additions		0		201
Gross Reductions		28		0
Ending balance		$ 432	[23]	$ 460		259
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[23]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(218)		(17)
Amount of Interest, Fees or Dividends Credited to Income		466		505
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,780		3,754
Gross Additions		3		43
Gross Reductions		218		17
Ending balance		3,565	[23]	3,780		3,754
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[25]	1,830
Ending balance		2,840	[11],[26]	1,830	[14],[25]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]	1,600
Ending balance	[16]			$ 1,600
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		43
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[17]	$ 1,600
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 26
Ending balance		$ 37		$ 26
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,341
Ending balance		1,841		$ 2,341
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,230		(210)
Amount of Interest, Fees or Dividends Credited to Income		29		29
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,950	[16]	2,160
Gross Additions		1,230		0
Gross Reductions		0		210
Ending balance		$ 3,180	[17]	1,950	[16]	2,160
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.00%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		(2)		3
Amount of Interest, Fees or Dividends Credited to Income		3		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		(6)
Gross Additions		2		6
Gross Reductions		2		0
Ending balance		$ 0	[12]	$ 0		(6)
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(14)		(17)
Amount of Interest, Fees or Dividends Credited to Income		255		273
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,980		2,180
Gross Additions		14		17
Gross Reductions		14		217
Ending balance		1,980		$ 1,980		2,180
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15]			11.57%
Spread	[7],[15]			1.25%
PIK Rate	[7],[15]			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 5,018
Ending balance	[7],[15]			$ 5,018
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[13],[21]	12.53%
Spread	[8],[13],[21]	7.15%
PIK Rate	[8],[13],[21]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13],[21]	$ 2,438
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[21]	0
Investment, Identifier [Axis]: US Bank Money Market Account
Schedule of Investments [Line Items]
Total Rate				0.005%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[50]	8,347
Ending balance	[50]			$ 8,347
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[15]			9.82%
Spread	[14],[15]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 18,013
Ending balance	[14],[15]			$ 18,013
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.46%
Spread	[11],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 12,405
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.96%
Spread	[11],[13]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 4,825
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.96%
Spread	[11],[13]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 2,515
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.99%
Spread	[11],[13]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,000
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]	2,910
Ending balance		1,911	[11],[17]	2,910	[14],[16]
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(30)		30
Amount of Interest, Fees or Dividends Credited to Income		54		129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,990	[16],[25]	2,960
Gross Additions		100		30
Gross Reductions		30		0
Ending balance		$ 3,060	[17],[26]	$ 2,990	[16],[25]	2,960
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13],[23]	6.00%	[15],[25]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		10		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(5)	[15],[25]	292
Gross Additions		5		203
Gross Reductions		0		500
Ending balance		$ 0	[12],[13],[23]	$ (5)	[15],[25]	292
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%	[25]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		904		932
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,421	[25]	7,375
Gross Additions		55		46
Gross Reductions		550		0
Ending balance		6,926		$ 7,421	[25]	$ 7,375
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			10.38%
Spread	[7]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	4,885
Ending balance	[7]			$ 4,885
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	2,250
Ending balance		$ 2,180	[11]	2,250	[14]
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.63%
Spread	[11],[13]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 12,193
Investment, Identifier [Axis]: Volusion, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,104)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		1,104
Gross Reductions		1,104
Ending balance		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance				0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		3,110
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(596)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		4,906
Gross Reductions		1,796
Ending balance		3,110		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		11.50%	[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[24]	$ 6,392
Ending balance		$ 900		$ 6,392	[24]
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		900
Gross Reductions		0
Ending balance		$ 900		0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%
Amount of Realized Gain/(Loss)		$ (1,366)
Amount of Unrealized Gain/(Loss)		780
Amount of Interest, Fees or Dividends Credited to Income		71
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,392
Gross Additions		0
Gross Reductions		6,392
Ending balance		$ 0		$ 6,392
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ (175)
Amount of Unrealized Gain/(Loss)		175
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		175
Gross Reductions		175
Ending balance		0		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		1,104
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]	0
Gross Additions		0
Gross Reductions		0
Ending balance		0		0	[9]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	530
Ending balance		$ 910	[11]	$ 530	[14]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]	7.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (7)
Ending balance		$ (5)	[11],[12],[13]	$ (7)	[14],[15]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[13]	10.74%	[14],[15]
Spread		7.00%	[11],[13]	7.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 5,216
Ending balance		$ 4,654	[11],[13]	$ 5,216	[14],[15]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%	[11],[13],[48]	10.73%	[14],[15]
Spread		6.00%	[11],[13],[48]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 51
Ending balance		$ 253	[11],[13],[48]	$ 51	[14],[15]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%	[11],[13]	10.73%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 53
Ending balance		$ 53	[11],[13]	$ 53	[14],[15]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.50%	[11],[13]	10.73%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 4,141
Ending balance		$ 2,166	[11],[13]	$ 4,141	[14],[15]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.50%
Spread	[11],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,955
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	250
Ending balance		$ 390	[11]	$ 250	[14]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[58]	11.34%
Spread		6.00%	[11],[13],[58]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (6)
Ending balance		$ 665	[11],[13],[58]	$ (6)	[14],[15]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.35%	[11],[13]	8.59%	[14],[15]
Spread		6.00%	[11],[13]	6.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,948
Ending balance		$ 2,947	[11],[13]	$ 2,948	[14],[15]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.35%
Spread	[11],[13]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,467
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[59]	12.64%
Spread		7.00%	[11],[13],[59]	7.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 0
Ending balance		$ 2,778	[11],[13],[59]	$ 0	[14],[15]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.66%
Spread		7.00%	[11],[13]	7.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ (43)
Ending balance		$ 2,583	[11],[13]	$ (43)	[14],[15]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.66%	[11],[13]	10.74%	[14],[15]
Spread		7.00%	[11],[13]	7.00%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 12,487
Ending balance		11,625	[11],[13]	$ 12,487	[14],[15]
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		530
Ending balance		$ 530	[17]	$ 530
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,930
Ending balance		$ 1,601		$ 1,930
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[11],[12],[13]	5.25%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ (6)
Ending balance		$ 0	[11],[12],[13]	$ (6)	[14]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.22%	[11],[13]	10.84%	[14]
Spread		5.75%	[11],[13]	5.25%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 1,192
Ending balance		$ 1,188	[11],[13]	$ 1,192	[14]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.25%	[11],[13]	8.63%	[14]
Spread		5.75%	[11],[13]	5.25%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 2,354
Ending balance		$ 2,352	[11],[13]	$ 2,354	[14]
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[8],[13]	9.51%	[7],[15]
Spread		7.50%	[8],[13]	5.50%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]	$ 6,064
Ending balance		$ 5,110	[8],[13]	$ 6,064	[7],[15]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[13],[60]	11.67%	[14],[15]
Spread		7.25%	[11],[13],[60]	7.25%	[14],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]	$ 2,388
Ending balance		$ 2,234	[11],[13],[60]	$ 2,388	[14],[15]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[13],[60]	11.67%	[14],[15],[61]
Spread		7.25%	[11],[13],[60]	7.25%	[14],[15],[61]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[61]	$ 597
Ending balance		$ 555	[11],[13],[60]	$ 597	[14],[15],[61]
[1] 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. [2] 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. [3] 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. [4] 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. [5] 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. [6] 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. [7] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [8] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [9] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [10] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [11] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [12] The position is unfunded and no interest income is being earned as of December 31, 2023. The position may earn a nominal unused facility fee on committed amounts. [13] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 95% of these floating rate loans (based on the par amount) contain LIBOR or Term SOFR ("SOFR") floors which range between 0.75% and 2.00%, with a weighted-average floor of 1.17%. [14] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [15] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 93% of the loans (based on the par amount) contain LIBOR floors which range between 0.50% and 2.00%, with a weighted-average LIBOR floor of 1.04%. [16] Income producing through dividends or distributions. [17] Income producing through dividends or distributions. [18] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [19] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [20] Index based floating interest rate is subject to contractual maximum base rate of 2.50%. [21] Non-accrual and non-income producing debt investment. [22] Non-accrual and non-income producing debt investment. [23] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [24] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [25] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [26] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [27] 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. [28] Portfolio company headquarters are located outside of the United States. [29] 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. [30] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [31] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [32] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [33] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [34] The security has an effective contractual interest rate of 2.00% PIK + LIBOR+6.50%, Floor 1.00%,but the issuer may, in its discretion, elect to pay the PIK interest in cash. The rate presented represents the effective current yield based on actual payments received during the period. [35] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 2.00%). RLOC 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, 2023. [36] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). RLOC 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, 2022. [37] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). Due to an amendment and subsequent funding during the quarter, the term loan facility has different floating rate reset dates. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [38] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 1.00%). RLOC 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, 2023. [39] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+8.00% (Floor 1.00%). RLOC 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, 2022. [40] Effective yield as of December 31, 2023 was approximately 5.25% on the Fidelity Government Portfolio Class III Fund. [41] Effective yield as of December 31, 2023 was approximately 5.23% on the First American Treasury Obligations Fund Class Z. [42] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). RLOC 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, 2022. [43] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.50%). RLOC 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, 2023. [44] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.75% (Floor 1.00%). RLOC 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, 2023. [45] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 2.00%). RLOC 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, 2023. [46] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+10.00%. RLOC 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, 2023. [47] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+10.00%. RLOC 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, 2022. [48] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%). RLOC 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, 2023. [49] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+7.25% (Floor 0.75%). RLOC 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, 2022. [50] Effective yield as of December 31, 2022 was approximately 0.005% on the US Bank Money Market Account. [51] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+ 8.00% (Floor 1.00%). RLOC 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, 2022. [52] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). RLOC 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, 2023. [53] Portfolio company headquarters are located outside of the United States. [54] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). 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, 2023. [55] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). Delayed draw term loan 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, 2022. [56] Warrants are presented in equivalent units with a strike price of $14.28 per unit. [57] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.50% (Floor 2.00%). RLOC 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, 2023. [58] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 0.75%). 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, 2023. [59] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.00%). RLOC 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, 2023. [60] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). 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, 2023. [61] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). Each new draw on the delayed draw term loan 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, 2022.