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

v3.25.1

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 15,776		$ (34,010)		$ (3,936)
Amount of Unrealized Gain/(Loss)		(15,439)		46,319		(1,702)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]	1,092,895
Ending balance		1,177,507	[2]	1,092,895	[1]
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		147		2,223		0
Amount of Unrealized Gain/(Loss)		4,833		(1,289)		1,503
Amount of Interest, Fees or Dividends Credited to Income		3,441		3,101
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		53,644	[1],[3]	50,303
Gross Additions		18,885		17,176
Gross Reductions		2,651		13,835
Ending balance		69,878	[2],[4]	53,644	[1],[3]	50,303
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(3,560)		(7,188)		(7,327)
Amount of Unrealized Gain/(Loss)		7,791		25,116		15,689
Amount of Interest, Fees or Dividends Credited to Income		31,222		29,805
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		291,279	[1],[5]	277,000
Gross Additions		118,673		115,308
Gross Reductions		95,570		101,029
Ending balance		$ 351,360	[2],[6]	291,279	[1],[5]	277,000
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III
Schedule of Investments [Line Items]
Total Rate		4.13%
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 1
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 149
Ending balance		$ 209	[8]	$ 149	[7]
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 4,958
Ending balance		5,975	[8]	$ 4,958	[7]
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	[11],[12],[13]			5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
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]
Beginning balance	[11],[13]	1,081
Ending balance	[11],[13]			$ 1,081
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
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]
Beginning balance	[11],[13]	2,304
Ending balance	[11],[13]			$ 2,304
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]
Beginning balance	[11],[13]	772
Ending balance	[11],[13]			$ 772
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.22%
Spread	[7],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	4,214
Ending balance	[7],[13]			$ 4,214
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				1,800
Amount of Unrealized Gain/(Loss)				(2,050)
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		2,350
Gross Additions				1,800
Gross Reductions				4,150
Ending balance				0		2,350
Investment, Identifier [Axis]: AMEREQUIP LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	100
Ending balance	[11]			$ 100
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.76%
Spread	[11],[13]			7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,538
Ending balance	[11],[13]			$ 1,538
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[15]	30
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	90
Ending balance		$ 120	[14]	$ 90	[11]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.85%	[14],[16]	12.16%	[11],[13]
Spread		6.00%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 50
Ending balance		$ 50	[14],[16]	$ 50	[11],[13]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.85%	[14],[16]	11.16%	[11],[13]
Spread		5.00%	[14],[16]	5.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 925
Ending balance		$ 925	[14],[16]	$ 925	[11],[13]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.85%	[14],[16]	13.16%	[11],[13]
Spread		7.00%	[14],[16]	7.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 925
Ending balance		925	[14],[16]	$ 925	[11],[13]
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				3,178
Amount of Unrealized Gain/(Loss)				(3,290)
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		3,290
Gross Additions				3,178
Gross Reductions				6,468
Ending balance				$ 0		3,290
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(102)
Amount of Interest, Fees or Dividends Credited to Income				856
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		6,368
Gross Additions				545
Gross Reductions				6,913
Ending balance				$ 0		6,368
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(276)
Amount of Interest, Fees or Dividends Credited to Income				1,135
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		2,614
Gross Additions				1,135
Gross Reductions				3,749
Ending balance				0		2,614
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17]	124
Ending balance		$ 124	[14],[15]	$ 124	[11],[17]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[14],[16],[18]	7.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (5)
Ending balance		$ (12)	[14],[16],[18]	$ (5)	[11],[12],[13]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.73%	[14],[16]	12.76%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,344
Ending balance		3,343	[14],[16]	$ 3,344	[11],[13]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(8)
Ending balance	[11],[12],[13]			$ (8)
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.98%
Spread	[11],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	11,922
Ending balance	[11],[13]			$ 11,922
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[19]	$ 90
Ending balance	[11],[19]			$ 90
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	[14],[16],[20]	11.00%	[11],[13],[21]
Spread		7.00%	[14],[16],[20]	7.00%	[11],[13],[21]
PIK Rate		1.00%	[14],[16],[20]	1.00%	[11],[13],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[21]	$ 917
Ending balance		$ 928	[14],[16],[20]	$ 917	[11],[13],[21]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[14],[16],[20]	11.00%	[11],[13],[21]
Spread		7.00%	[14],[16],[20]	7.00%	[11],[13],[21]
PIK Rate		1.00%	[14],[16],[20]	1.00%	[11],[13],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[21]	$ 2,481
Ending balance		$ 2,209	[14],[16],[20]	$ 2,481	[11],[13],[21]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[14],[16],[18]	5.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (10)
Ending balance		$ (6)	[14],[16],[18]	$ (10)	[11],[12],[13]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[14],[16]	13.50%	[11],[13]
Spread		5.00%	[14],[16]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,188
Ending balance		$ 7,703	[14],[16]	$ 8,188	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.49%	[14],[16]	15.29%	[11],[13]
Spread		9.75%	[14],[16]	9.75%	[11],[13]
PIK Rate		14.49%	[14],[16]	15.29%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,102
Ending balance		$ 4,480	[14],[16]	$ 4,102	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.49%	[14],[16],[22]	15.29%	[11],[13]
Spread		11.75%	[14],[16],[22]	9.75%	[11],[13]
PIK Rate		16.49%	[14],[16],[22]	15.29%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 0
Ending balance		2,621	[14],[16],[22]	$ 0	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13],[23]			17.29%
Spread	[11],[13],[23]			11.75%
PIK Rate	[11],[13],[23]			17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[23]	2,522
Ending balance	[11],[13],[23]			$ 2,522
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13],[23]			17.29%
Spread	[11],[13],[23]			11.75%
PIK Rate	[11],[13],[23]			17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[23]	0
Ending balance	[11],[13],[23]			$ 0
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[23],[24]	109
Ending balance		59	[8],[22],[25]	109	[7],[23],[24]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[23],[24]	526
Ending balance		282	[8],[22],[25]	526	[7],[23],[24]
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		1,210
Ending balance		1,330		$ 1,210
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Total Rate				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%
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)		120		330
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,210		880
Gross Additions		120		330
Gross Reductions		0		0
Ending balance		1,330		$ 1,210		880
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]			15.38%
Spread	[13]			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		4		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		54	[13]	(2)
Gross Additions		0		56
Gross Reductions		54		0
Ending balance		$ 0	[18]	$ 54	[13]	(2)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%		15.38%	[13]
Spread	[13]			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		175		188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,020	[13]	1,135
Gross Additions		79		21
Gross Reductions		87		136
Ending balance		1,012		1,020	[13]	1,135
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]: Ansira Partners II, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (45)
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.25%
Spread	[14],[16]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 17,375
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		0	[14]	0	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	7,468
Ending balance		6,667	[14]	7,468	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		$ 0	[14]	$ 0	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[14]	15.00%	[11]
PIK Rate		15.00%	[14]	15.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 1,007
Ending balance		$ 1,061	[14]	$ 1,007	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.08%	[14],[16]	12.04%	[11],[13]
Spread		6.50%	[14],[16]	6.50%	[11],[13]
PIK Rate		11.08%	[14],[16]	12.04%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,765
Ending balance		4,278	[14],[16]	$ 3,765	[11],[13]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	100
Ending balance		110	[14]	100	[11]
Investment, Identifier [Axis]: BDB Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(415)
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		13,025
Gross Reductions		415
Ending balance		12,610		0
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 1,550
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[26]	10.68%
Spread	[14],[16],[26]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[26]	$ 514
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (10)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.92%
Spread	[14],[16]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 11,217
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)		573		273
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,380	[11]	1,107
Gross Additions		573		273
Gross Reductions		0		0
Ending balance		1,953	[14]	1,380	[11]	1,107
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)		(110)		225
Amount of Interest, Fees or Dividends Credited to Income		85		76
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		680	[17]	455
Gross Additions		0		225
Gross Reductions		110		0
Ending balance		$ 570	[15]	$ 680	[17]	455
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		1
Amount of Interest, Fees or Dividends Credited to Income		5		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	(1)
Gross Additions		51		1
Gross Reductions		1		0
Ending balance		$ 50		$ 0	[12]	(1)
Investment, Identifier [Axis]: Batjer TopCo, 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		3		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		30		0
Gross Additions		0		70
Gross Reductions		0		40
Ending balance		$ 30		$ 30		0
Investment, Identifier [Axis]: Batjer TopCo, 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)		(15)		15
Amount of Interest, Fees or Dividends Credited to Income		124		129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,175		1,205
Gross Additions		5		21
Gross Reductions		15		51
Ending balance		1,165		1,175		1,205
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[27]	200
Ending balance		0	[14]	200	[11],[27]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17],[27]	2,560
Ending balance		0	[14],[28]	$ 2,560	[11],[17],[27]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[28]	$ 0
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.25%	[14],[16],[18]	7.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (18)
Ending balance		$ (14)	[14],[16],[18]	$ (18)	[11],[12],[13]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.76%	[14],[16]	12.64%	[11],[13]
Spread		10.25%	[14],[16]	7.25%	[11],[13]
PIK Rate		9.25%	[14],[16]	6.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,998
Ending balance		6,963	[14],[16]	$ 7,998	[11],[13]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	120
Ending balance		650	[14]	120	[11]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	533
Ending balance		$ 0	[8]	$ 533	[7]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.17%	[8],[16]	16.00%	[7],[13]
Spread		8.50%	[8],[16]	7.50%	[7],[13]
PIK Rate		12.17%	[8],[16]	15.00%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 1,907
Ending balance		$ 181	[8],[16]	$ 1,907	[7],[13]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[8],[16]	13.96%	[7],[13]
Spread		7.50%	[8],[16]	8.50%	[7],[13]
PIK Rate		14.75%	[8],[16]	12.96%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 3,695
Ending balance		$ 2,792	[8],[16]	$ 3,695	[7],[13]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[16]	13.17%
Spread	[8],[16]	8.50%
PIK Rate	[8],[16]	12.17%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[16]	$ 3,790
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]	129
Ending balance		0	[8],[10]	129	[7],[9]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		498
Ending balance		$ 80		$ 498
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		66		$ 80
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	0
Ending balance		0	[14],[31],[32]	0	[11],[29],[30]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	310
Ending balance		$ 310	[14],[31],[32]	$ 310	[11],[29],[30]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[31],[32]	11.65%
Spread		7.00%	[14],[16],[31],[32]	7.00%	[11],[12],[13],[29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13],[29],[30]	$ (16)
Ending balance		$ 360	[14],[16],[31],[32]	$ (16)	[11],[12],[13],[29],[30]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.74%	[14],[16],[31],[32]	11.54%	[11],[13],[29],[30]
Spread		6.00%	[14],[16],[31],[32]	6.00%	[11],[13],[29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[29],[30]	$ 4,040
Ending balance		$ 3,999	[14],[16],[31],[32]	$ 4,040	[11],[13],[29],[30]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.74%	[14],[16],[31],[32]	13.54%	[11],[13],[29],[30]
Spread		8.00%	[14],[16],[31],[32]	8.00%	[11],[13],[29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[29],[30]	$ 4,040
Ending balance		3,999	[14],[16],[31],[32]	$ 4,040	[11],[13],[29],[30]
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)		(230)		(370)
Amount of Interest, Fees or Dividends Credited to Income		30		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,400	[17]	1,770
Gross Additions		0		0
Gross Reductions		230		370
Ending balance		$ 1,170	[15]	$ 1,400	[17]	1,770
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.66%	[16]	15.46%	[13]
Spread		10.00%	[16]	10.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		205		224
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,374	[13]	1,491
Gross Additions		4		8
Gross Reductions		124		125
Ending balance		1,254	[16]	1,374	[13]	1,491
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	[29],[33],[34]	1,360
Ending balance		1,039	[31],[35],[36]	1,360	[29],[33],[34]
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	[17],[29],[33],[34]	8,716
Ending balance		$ 8,031	[15],[31],[35],[36]	$ 8,716	[17],[29],[33],[34]
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	[24]			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[24]	$ 8,218
Ending balance	[24]			$ 8,218
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[22],[25]	15.00%
PIK Rate	[22],[25]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[22],[25]	$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[22]	15.00%
PIK Rate	[22]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[22]	$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[22],[25]	15.00%
PIK Rate	[22],[25]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[22],[25]	$ 0
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%	[14],[16],[18]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 310
Ending balance		$ 0	[14],[16],[18]	$ 310	[11],[13]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.46%	[14],[16]	10.46%	[11],[13]
Spread		5.00%	[14],[16]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 13,121
Ending balance		11,575	[14],[16]	$ 13,121	[11],[13]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		379
Ending balance		513		379
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, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[14],[16],[18]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (44)
Ending balance		$ (31)	[14],[16],[18]	$ (44)	[11],[12],[13]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.75%	[14],[16],[18]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (44)
Ending balance		$ (31)	[14],[16],[18]	$ (44)	[11],[12],[13]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.18%	[14],[16]	12.45%	[11],[13]
Spread		6.75%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,280
Ending balance		7,169	[14],[16]	$ 7,280	[11],[13]
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		$ 530		$ 500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.56%	[16]	11.38%	[13]
Spread		6.00%	[16]	6.00%	[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 96
Ending balance		$ 97	[16]	$ 96	[13]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,185
Ending balance		2,134		$ 2,185
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	80
Ending balance		160	[14]	$ 80	[11]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(3)
Ending balance	[11],[12],[13]			$ (3)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.61%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	2,581
Ending balance	[11],[13]			$ 2,581
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.61%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,985
Ending balance	[11],[13]			$ 1,985
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	1,610
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[18]	$ 0
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 2,390
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)		284		590
Amount of Interest, Fees or Dividends Credited to Income		30		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,760		2,170
Gross Additions		350		590
Gross Reductions		0		0
Ending balance		$ 3,110		$ 2,760		2,170
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%	[16],[18]	9.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
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	[12],[13]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[16],[18]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.66%	[16]	14.48%	[13]
Spread		9.00%	[16]	9.00%	[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 4,394
Ending balance		$ 6,384	[16]	$ 4,394	[13]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		13.66%
Spread		9.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		28
Amount of Interest, Fees or Dividends Credited to Income		79
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		6,564
Gross Reductions		180
Ending balance		6,384		$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				14.48%
Spread				9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				29
Amount of Interest, Fees or Dividends Credited to Income				572
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,394		3,731
Gross Additions				663
Gross Reductions				0
Ending balance				4,394		3,731
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		725
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		919
Gross Reductions		919
Ending balance		0		0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(29)
Amount of Interest, Fees or Dividends Credited to Income		84
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,394
Gross Additions		0
Gross Reductions		4,394
Ending balance		0		4,394
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)		950		1,599
Amount of Interest, Fees or Dividends Credited to Income		1,179		1,045
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,330	[17]	5,728
Gross Additions		950		1,602
Gross Reductions		0		0
Ending balance		8,280	[15]	7,330	[17]	5,728
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)		173		37
Amount of Interest, Fees or Dividends Credited to Income		23		23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		715	[17],[27]	678
Gross Additions		174		38
Gross Reductions		1		1
Ending balance		$ 888	[15],[28]	$ 715	[17],[27]	678
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[16],[18]	6.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(22)		49
Amount of Interest, Fees or Dividends Credited to Income		25		11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13]	0
Gross Additions		22		0
Gross Reductions		22		0
Ending balance		$ 0	[16],[18]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	[16]	13.49%	[13]
Spread		8.00%	[16]	8.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		(4)
Amount of Interest, Fees or Dividends Credited to Income		530		553
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,905	[13]	4,236
Gross Additions		1		4
Gross Reductions		1		335
Ending balance		$ 3,905	[16]	$ 3,905	[13]	4,236
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.53%	[14],[16],[26]	12.60%	[11],[13],[37]
Spread		7.00%	[14],[16],[26]	7.00%	[11],[13],[37]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[37]	$ 183
Ending balance		$ 444	[14],[16],[26]	$ 183	[11],[13],[37]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.93%	[14],[16]	12.66%	[11],[13]
Spread		7.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,224
Ending balance		$ 3,166	[14],[16]	$ 3,224	[11],[13]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.93%	[14],[16]	12.66%	[11],[13]
Spread		7.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 179
Ending balance		$ 175	[14],[16]	$ 179	[11],[13]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.93%	[14],[16]	12.66%	[11],[13]
Spread		7.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 432
Ending balance		424	[14],[16]	$ 432	[11],[13]
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)		(20)		590
Amount of Interest, Fees or Dividends Credited to Income		200		366
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,920	[17]	3,330
Gross Additions		0		590
Gross Reductions		20		0
Ending balance		3,900	[15]	3,920	[17]	3,330
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)		1,450		(760)
Amount of Interest, Fees or Dividends Credited to Income		173		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,300	[17]	2,060
Gross Additions		1,450		0
Gross Reductions		0		760
Ending balance		2,750	[15]	1,300	[17]	2,060
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)		(45)		55
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		282	[27]	152
Gross Additions		0		130
Gross Reductions		45		0
Ending balance		237	[28]	$ 282	[27]	152
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				11.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,103
Ending balance		0	[18]	$ 2,103
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 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]: Clad-Rex Steel, LLC, Secured Debt 1.2
Schedule of Investments [Line Items]
Total Rate				11.50%
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		0
Gross Additions				0
Gross Reductions				0
Ending balance				$ 0		0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 251
Ending balance		$ 1,690		$ 251
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		9.00%		11.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		46		(37)
Amount of Interest, Fees or Dividends Credited to Income		219		284
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,103		2,620
Gross Additions		37		0
Gross Reductions		450		517
Ending balance		$ 1,690		$ 2,103		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)		2		0
Amount of Interest, Fees or Dividends Credited to Income		25		26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		251		260
Gross Additions		2		0
Gross Reductions		10		9
Ending balance		243		251		260
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[23],[24]	16
Ending balance		19	[14],[22],[25]	16	[11],[23],[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	[17]	4,000
Ending balance		710	[15]	$ 4,000	[17]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]			11.69%
Spread	[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	1,140
Ending balance	[13]			$ 1,140
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,819
Ending balance				$ 4,819
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(1,170)		3,570
Amount of Interest, Fees or Dividends Credited to Income		407		1,219
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,120	[17],[27]	14,550
Gross Additions		0		3,570
Gross Reductions		1,170		0
Ending balance		16,950	[15],[28]	$ 18,120	[17],[27]	14,550
Investment, Identifier [Axis]: Cody Pools, 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)		1		2
Amount of Interest, Fees or Dividends Credited to Income		8		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		236		0
Gross Reductions		236		0
Ending balance		$ 0	[18]	$ 0	[12]	0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(8)		22
Amount of Interest, Fees or Dividends Credited to Income		873		562
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,111		0
Gross Additions		7		7,872
Gross Reductions		520		761
Ending balance		6,598		$ 7,111		0
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		0		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		0		6,882
Gross Additions				0
Gross Reductions				6,882
Ending balance				0		6,882
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	3,390
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(360)		360
Amount of Interest, Fees or Dividends Credited to Income		503		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		600		0
Gross Additions		0		600
Gross Reductions		600		0
Ending balance		0		600		0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,470		(370)
Amount of Interest, Fees or Dividends Credited to Income		577		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,920		2,290
Gross Additions		1,470		0
Gross Reductions		0		370
Ending balance		3,390		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		2		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		400
Gross Reductions		0		400
Ending balance		$ 0	[18]	$ 0	[12]	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)		64		(41)
Amount of Interest, Fees or Dividends Credited to Income		598		471
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,407		5,729
Gross Additions		106		34
Gross Reductions		1,935		356
Ending balance		3,578		5,407		5,729
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(3)		0
Amount of Interest, Fees or Dividends Credited to Income		60		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,863		0
Gross Additions		0		1,863
Gross Reductions		3		0
Ending balance		1,860		$ 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		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		19		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		584		0
Gross Reductions		600		0
Ending balance		$ (16)	[18]	$ 0	[12]	0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		616		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,175		0
Gross Additions		26		4,175
Gross Reductions		0		0
Ending balance		$ 4,201		$ 4,175		0
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.93%	[14],[16],[26]	13.52%	[11],[13],[38]
Spread		8.25%	[14],[16],[26]	8.00%	[11],[13],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[38]	$ 4,040
Ending balance		$ 6,118	[14],[16],[26]	$ 4,040	[11],[13],[38]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.52%
Spread		8.25%	[14],[16],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 14,797
Ending balance		$ (42)	[14],[16],[18]	$ 14,797	[11],[13]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.92%
Spread	[14],[16]	8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 14,807
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[31]	$ 1,400
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[31]	13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[31]	$ 2,977
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	23,135
Ending balance	[11]			23,135
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		0		38
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		568	[17],[29],[33],[34]	588
Gross Additions		0		0
Gross Reductions		38		20
Ending balance		$ 530	[31],[35],[36]	568	[17],[29],[33],[34]	588
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[31],[32]	10.39%
Spread	[14],[16],[31],[32]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[31],[32]	$ 440
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16],[31],[32]	10.36%
Spread	[14],[16],[31],[32]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[31],[32]	$ 2,824
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16],[31],[32]	10.40%
Spread	[14],[16],[31],[32]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[31],[32]	$ 1,878
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16],[31],[32]	10.61%
Spread	[14],[16],[31],[32]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[31],[32]	$ 8,109
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (28)
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.11%
Spread	[14],[16]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 10,694
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,920
Ending balance				1,920
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(434)
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		434
Ending balance		$ 1,486		1,920
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate	[15]	15.00%
PIK Rate	[15]	15.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		43
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		810
Gross Reductions		0
Ending balance		810	[15]	$ 0
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,700
Ending balance				$ 4,700
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		138
Gross Reductions		0
Ending balance		$ 138		0
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(58)
Amount of Interest, Fees or Dividends Credited to Income		555
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,700
Gross Additions		19
Gross Reductions		558
Ending balance		$ 4,161		$ 4,700
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[14]	8.00%	[11]
PIK Rate		8.00%	[14]	8.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 260
Ending balance		$ 0	[14]	$ 260	[11]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[14],[15]	10.00%	[11],[17]
PIK Rate		10.00%	[14],[15]	10.00%	[11],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17]	$ 1,283
Ending balance		438	[14],[15]	$ 1,283	[11],[17]
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	60
Ending balance		50	[14]	60	[11]
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)		20		(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		10		300
Gross Additions		20		0
Gross Reductions		0		290
Ending balance		$ 30		$ 10		300
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		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		49		25
Gross Additions		66		89
Gross Reductions		60		65
Ending balance		$ 55		$ 49		25
Investment, Identifier [Axis]: Datacom, 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)		43		(14)
Amount of Interest, Fees or Dividends Credited to Income		114		107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		844		865
Gross Additions		64		22
Gross Reductions		30		43
Ending balance		878		844		865
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	[17]	2,459
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 2,459	[15]	$ 2,459	[17]	2,459
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.56%	[16]	15.38%	[13]
Spread		10.00%	[16]	10.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(18)		(17)
Amount of Interest, Fees or Dividends Credited to Income		532		586
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,673	[13]	3,878
Gross Additions		14		0
Gross Reductions		582		205
Ending balance		3,105	[16]	3,673	[13]	3,878
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)		(700)		(380)
Amount of Interest, Fees or Dividends Credited to Income		0		43
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,180	[17]	5,558
Gross Additions		0		0
Gross Reductions		700		378
Ending balance		4,480		$ 5,180	[17]	5,558
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				14.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(2)		(2)
Amount of Interest, Fees or Dividends Credited to Income		11		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		217		0
Gross Additions		302		227
Gross Reductions		519		10
Ending balance		$ 0	[18]	$ 217		0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(14)		(19)
Amount of Interest, Fees or Dividends Credited to Income		700		730
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,002		5,352
Gross Additions		14		19
Gross Reductions		348		369
Ending balance		4,668		5,002		5,352
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		0	[14]	0	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	60
Ending balance		60	[14]	60	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		$ 0	[14]	$ 0	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.46%	[14],[16]	10.45%	[11],[13]
Spread		7.00%	[14],[16]	5.00%	[11],[13]
PIK Rate		11.46%	[14],[16]	10.45%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,912
Ending balance		$ 2,220	[14],[16]	$ 1,912	[11],[13]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.46%	[14],[16]	12.45%	[11],[13]
Spread		9.00%	[14],[16]	7.00%	[11],[13]
PIK Rate		13.46%	[14],[16]	12.45%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,859
Ending balance		2,219	[14],[16]	$ 1,859	[11],[13]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		390
Ending balance		370		390
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[27]	109
Ending balance		$ 199	[28]	$ 109	[27]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[16],[18]	6.00%	[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12],[13]	$ 0
Ending balance		$ 0	[16],[18]	$ 0	[12],[13]
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		$ 1,200
Ending balance		$ 1,162		$ 1,200
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		$ 409
Ending balance		$ 406		$ 409
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.71%	[8],[16]	11.79%	[7],[13]
Spread		6.25%	[8],[16]	6.25%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 2,175
Ending balance		1,863	[8],[16]	$ 2,175	[7],[13]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.98%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	5,095
Ending balance	[11],[13]			$ 5,095
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	190
Ending balance		$ 240	[14]	$ 190	[11]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[14],[16],[18]	8.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (9)
Ending balance		$ (7)	[14],[16],[18]	$ (9)	[11],[12],[13]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.39%	[14],[16]	13.45%	[11],[13]
Spread		8.00%	[14],[16]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,924
Ending balance		$ 358	[14],[16]	$ 6,924	[11],[13]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.43%
Spread	[14],[16]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 6,855
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.59%	[14],[16]	12.61%	[11],[13]
Spread		8.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 302
Ending balance		$ 308	[14],[16]	$ 302	[11],[13]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.59%	[14],[16]	12.61%	[11],[13]
Spread		8.00%	[14],[16]	7.00%	[11],[13]
PIK Rate	[14],[16]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,614
Ending balance		$ 3,969	[14],[16]	$ 3,614	[11],[13]
Investment, Identifier [Axis]: FCC Intermediate Holdco, 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		$ 7,135
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[10]	2,710
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]
Beginning balance	[39]	3,188
Ending balance	[39]			$ 3,188
Investment, Identifier [Axis]: Fidelity Government Portfolio Fund Class III
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[40]	$ 2,099
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z
Schedule of Investments [Line Items]
Total Rate		4.41%		5.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[41]	$ 17,656
Ending balance		12,261	[42]	$ 17,656	[41]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		2,010		2,570
Amount of Interest, Fees or Dividends Credited to Income		1,229		814
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,970	[17]	4,400
Gross Additions		2,010		2,570
Gross Reductions		0		0
Ending balance		8,980	[15]	$ 6,970	[17]	4,400
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				6.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(15)
Amount of Interest, Fees or Dividends Credited to Income				121
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		1,900
Gross Additions				15
Gross Reductions				1,915
Ending balance				$ 0		1,900
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread				9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(123)
Amount of Interest, Fees or Dividends Credited to Income				478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		5,300
Gross Additions				123
Gross Reductions				5,423
Ending balance				0		5,300
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)		59		0
Amount of Interest, Fees or Dividends Credited to Income		41		598
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,705	[17],[29],[33],[34]	5,848
Gross Additions		58		0
Gross Reductions		2,500		2,143
Ending balance		1,263	[15],[31],[35],[36]	3,705	[17],[29],[33],[34]	5,848
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)		(230)		1,080
Amount of Interest, Fees or Dividends Credited to Income		453		200
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,870	[17]	1,790
Gross Additions		0		1,080
Gross Reductions		230		0
Ending balance		$ 2,640	[15]	$ 2,870	[17]	1,790
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(17)		(25)
Amount of Interest, Fees or Dividends Credited to Income		198		263
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,336		2,836
Gross Additions		17		25
Gross Reductions		307		525
Ending balance		2,046		2,336		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)		710		0
Amount of Interest, Fees or Dividends Credited to Income		113		90
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		21,890		21,890
Gross Additions		710		0
Gross Reductions		0		0
Ending balance		$ 22,600		$ 21,890		21,890
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.66%		11.48%
Spread		6.00%		6.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		2		3
Amount of Interest, Fees or Dividends Credited to Income		167		88
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,182		330
Gross Additions		368		852
Gross Reductions		0		0
Ending balance		$ 1,550		$ 1,182		330
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.66%		13.48%
Spread		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(50)		(50)
Amount of Interest, Fees or Dividends Credited to Income		2,746		2,696
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,944		19,943
Gross Additions		50		51
Gross Reductions		50		50
Ending balance		19,944		19,944		19,943
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)		4,510		11,460
Amount of Interest, Fees or Dividends Credited to Income		1,984		1,491
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		24,180	[17]	12,720
Gross Additions		4,510		11,460
Gross Reductions		0		0
Ending balance		$ 28,690	[15]	$ 24,180	[17]	12,720
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[16],[18],[43]	7.50%	[12],[13],[21]
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	[12],[13],[21]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[16],[18],[43]	$ 0	[12],[13],[21]	0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[16],[43]	10.50%	[13],[21]
Spread		7.00%	[16],[43]	7.50%	[13],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13],[21]	$ 13,520
Ending balance		$ 18,282	[16],[43]	$ 13,520	[13],[21]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		11.00%
Spread		7.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		115
Amount of Interest, Fees or Dividends Credited to Income		181
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		18,282
Gross Reductions		0
Ending balance		18,282		$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				10.50%
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(88)
Amount of Interest, Fees or Dividends Credited to Income				1,727
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 13,520		16,020
Gross Additions				88
Gross Reductions				2,588
Ending balance				13,520		16,020
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread		7.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(184)
Amount of Interest, Fees or Dividends Credited to Income		1,395
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		13,520
Gross Additions		0
Gross Reductions		13,520
Ending balance		0		13,520
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	210
Ending balance		$ 150	[14]	$ 210	[11]
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[26]	11.29%
Spread		6.75%	[14],[16],[26]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (76)
Ending balance		$ 2,416	[14],[16],[26]	$ (76)	[11],[12],[13]
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.34%	[14],[16]	12.22%	[11],[13]
Spread		6.75%	[14],[16]	6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 9,384
Ending balance		9,567	[14],[16]	$ 9,384	[11],[13]
Investment, Identifier [Axis]: GradeEight Corp., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 471
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (45)
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (22)
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.74%
Spread	[14],[16]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 14,542
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)		(620)		(330)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		620		950
Gross Additions		0		0
Gross Reductions		620		330
Ending balance		$ 0		$ 620		950
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%	[16],[18],[22]	9.50%	[12],[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	[12],[13]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[16],[18],[22]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[22]	12.50%
PIK Rate	[22]	12.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(173)		0
Amount of Interest, Fees or Dividends Credited to Income		20		73
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		571		571
Gross Additions		0		0
Gross Reductions		193		0
Ending balance		378	[22]	$ 571		571
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.75%	[14],[16]	14.34%	[11],[13],[24]
Spread		3.50%	[14],[16]	9.50%	[11],[13],[24]
PIK Rate		2.50%	[14],[16]	14.34%	[11],[13],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[24]	$ 186
Ending balance		$ 1,307	[14],[16]	$ 186	[11],[13],[24]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		2.50%	[14],[22]	14.34%	[11],[13],[24]
Spread	[11],[13],[24]			9.50%
PIK Rate		2.50%	[14],[22]	14.34%	[11],[13],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[24]	$ 1,849
Ending balance		$ 235	[14],[22]	$ 1,849	[11],[13],[24]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[14],[16],[18]	6.50%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (14)
Ending balance		$ (10)	[14],[16],[18]	$ (14)	[11],[12],[13]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.86%	[14],[16]	11.86%	[11],[13]
Spread		6.50%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,995
Ending balance		$ 1,975	[14],[16]	$ 1,995	[11],[13]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.86%	[14],[16]	11.86%	[11],[13]
Spread		6.50%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,925
Ending balance		$ 1,396	[14],[16]	$ 4,925	[11],[13]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.86%
Spread	[14],[16]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 4,875
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.86%
Spread	[14],[16]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 2,382
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		247		156
Amount of Interest, Fees or Dividends Credited to Income		1		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,225		4,331
Gross Additions		247		403
Gross Reductions		0		509
Ending balance		4,472		4,225		4,331
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		147		2,223
Amount of Unrealized Gain/(Loss)		2,691		(952)
Amount of Interest, Fees or Dividends Credited to Income		311		142
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,050	[17],[29],[33],[34]	7,552
Gross Additions		2,837		2,796
Gross Reductions		147		4,298
Ending balance		8,740	[15],[31],[35],[36]	6,050	[17],[29],[33],[34]	7,552
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],[33],[34]	4,225
Ending balance		4,472	[31],[35],[36]	4,225	[29],[33],[34]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,370
Ending balance		5,060	[15]	4,370
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[27]	230
Ending balance		$ 270	[28]	$ 230	[27]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.73%	[16]	11.65%	[13]
Spread		6.00%	[16]	6.00%	[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 494
Ending balance		$ 661	[16]	$ 494	[13]
Investment, Identifier [Axis]: Hawk Ridge Systems, 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		$ 9,744
Ending balance		$ 9,744		$ 9,744
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]	9.92%
Spread	[14],[16]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 1,204
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.11%
Spread	[14],[16]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 15,338
Investment, Identifier [Axis]: Hybrid Promotions, LLC , Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]	13.10%
Spread	[14],[16]	8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 8,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			15.91%
Spread	[11],[13]			8.25%
PIK Rate	[11],[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	7,313
Ending balance	[11],[13]			$ 7,313
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		460		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		3,600		0
Gross Additions		460		3,774
Gross Reductions		0		174
Ending balance		$ 4,060		3,600		0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%
Amount of Realized Gain/(Loss)		$ 0		0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		33		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(27)	[12]	0
Gross Additions		406		173
Gross Reductions		0		200
Ending balance		$ 379		$ (27)	[12]	0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1,259		692
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,069		0
Gross Additions		64		9,179
Gross Reductions		440		110
Ending balance		$ 8,693		$ 9,069		0
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[8],[16],[18]	5.75%	[7],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[12],[13]	$ 0
Ending balance		$ 0	[8],[16],[18]	$ 0	[7],[12],[13]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.21%	[8],[16]	10.96%	[7],[13]
Spread		5.75%	[8],[16]	5.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 6,266
Ending balance		$ 6,154	[8],[16]	$ 6,266	[7],[13]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.21%	[8],[16]	10.96%	[7],[13]
Spread		5.75%	[8],[16]	5.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 1,942
Ending balance		1,922	[8],[16]	$ 1,942	[7],[13]
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.36%
Spread	[7],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 5,325
Ending balance	[7],[13]			$ 5,325
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.78%	[16]	16.59%	[13]
Spread		9.00%	[16]	9.00%	[13]
PIK Rate	[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 201
Ending balance		$ 295	[16]	$ 201	[13]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.78%	[16]	16.59%	[13]
Spread		9.00%	[16]	9.00%	[13]
PIK Rate	[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 174
Ending balance		$ 248	[16]	$ 174	[13]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.78%	[16]	15.59%	[13]
Spread		8.00%	[16]	8.00%	[13]
PIK Rate	[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 842
Ending balance		$ 1,110	[16]	$ 842	[13]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		14.78%	[16]	17.59%	[13]
Spread		10.00%	[16]	10.00%	[13]
PIK Rate	[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 848
Ending balance		1,110	[16]	$ 848	[13]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]	523
Ending balance	[9]			523
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[10]	1,420
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	550
Ending balance		$ 510	[14]	$ 550	[11]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.39%	[14],[16],[26]	12.41%	[11],[13],[44]
Spread		7.00%	[14],[16],[26]	7.00%	[11],[13],[44]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[44]	$ 786
Ending balance		$ 791	[14],[16],[26]	$ 786	[11],[13],[44]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.62%	[14],[16]	12.45%	[11],[13]
Spread		7.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,318
Ending balance		$ 10,280	[14],[16]	$ 10,318	[11],[13]
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.73%	[14],[16]	14.25%	[11],[13]
Spread		7.75%	[14],[16]	7.75%	[11],[13]
PIK Rate		1.50%	[14],[16]	1.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 15,816
Ending balance		14,524	[14],[16]	$ 15,816	[11],[13]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		970		(220)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,320	[11]	0
Gross Additions		970		6,540
Gross Reductions		0		220
Ending balance		7,290	[14]	6,320	[11]	0
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[27]	1,610
Ending balance	[11],[27]			$ 1,610
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate	[11],[17],[27]			10.00%
PIK Rate	[11],[17],[27]			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17],[27]	415
Ending balance	[11],[17],[27]			$ 415
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate	[11],[17],[27]			20.00%
PIK Rate	[11],[17],[27]			20.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17],[27]	279
Ending balance	[11],[17],[27]			$ 279
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[45]			12.22%
Spread	[11],[13],[45]			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[45]	752
Ending balance	[11],[13],[45]			$ 752
Investment, Identifier [Axis]: Industrial Services Acquisition, 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]
Beginning balance	[11],[13]	11,436
Ending balance	[11],[13]			$ 11,436
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,000
Ending balance		$ 2,310	[15]	$ 1,000
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,314
Ending balance		3,763		$ 4,314
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.21%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,881
Ending balance	[11],[13]			$ 1,881
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.21%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	9,690
Ending balance	[11],[13]			$ 9,690
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	239
Ending balance		$ 120	[14],[16]	$ 239	[11]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[14],[16],[18]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (40)
Ending balance		$ (32)	[14],[16],[18]	$ (40)	[11],[12],[13]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.25%	[14],[16],[18]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (33)
Ending balance		$ (27)	[14],[16],[18]	$ (33)	[11],[12],[13]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.87%	[14],[16]	11.65%	[11],[13]
Spread		6.25%	[14],[16]	6.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,287
Ending balance		7,869	[14],[16]	$ 8,287	[11],[13]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	190
Ending balance		$ 21	[14]	$ 190	[11]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.69%	[14],[16],[26]	13.53%	[11],[13],[46]
Spread		10.00%	[14],[16],[26]	8.00%	[11],[13],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[46]	$ 664
Ending balance		$ 620	[14],[16],[26]	$ 664	[11],[13],[46]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.58%	[14],[16]	13.55%	[11],[13]
Spread		10.00%	[14],[16]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,144
Ending balance		$ 5,681	[14],[16]	$ 6,144	[11],[13]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.58%	[14],[16]	13.55%	[11],[13]
Spread		10.00%	[14],[16]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,237
Ending balance		1,144	[14],[16]	$ 1,237	[11],[13]
Investment, Identifier [Axis]: Integral Energy Services, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		450		(1,300)
Amount of Interest, Fees or Dividends Credited to Income		50		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		190	[11]	1,490
Gross Additions		450		0
Gross Reductions		0		1,300
Ending balance		$ 640	[14]	$ 190	[11]	1,490
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		10.00%	[14],[15]	10.00%	[11]
PIK Rate		10.00%	[14],[15]	10.00%	[11]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		153		85
Amount of Interest, Fees or Dividends Credited to Income		32		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		350	[11]	0
Gross Additions		185		350
Gross Reductions		0		0
Ending balance		$ 535	[14],[15]	$ 350	[11]	0
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.35%	[14],[16]	13.16%	[11],[13]
Spread		7.50%	[14],[16]	7.50%	[11],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		390		(787)
Amount of Interest, Fees or Dividends Credited to Income		2,138		2,773
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		16,232	[11],[13]	18,425
Gross Additions		475		94
Gross Reductions		1,835		2,287
Ending balance		14,872	[14],[16]	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	[11]	0
Ending balance		$ 0	[14]	$ 0	[11]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.54%	[14],[25],[26]	15.48%	[11],[24],[47]
Spread		10.00%	[14],[25],[26]	10.00%	[11],[24],[47]
PIK Rate	[14],[25],[26]	14.54%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[24],[47]	$ 1,781
Ending balance		$ 1,580	[14],[25],[26]	$ 1,781	[11],[24],[47]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.67%	[14],[16],[22],[25]	12.46%	[11],[13],[23],[24]
Spread		7.00%	[14],[16],[22],[25]	7.00%	[11],[13],[23],[24]
PIK Rate		11.67%	[14],[16],[22],[25]	12.46%	[11],[13],[23],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[23],[24]	$ 433
Ending balance		13	[14],[16],[22],[25]	$ 433	[11],[13],[23],[24]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.47%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 5,370
Ending balance	[7],[13]			$ 5,370
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.01%	[14],[16],[26]	12.00%	[11],[13]
Spread		7.50%	[14],[16],[26]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 509
Ending balance		$ 996	[14],[16],[26]	$ 509	[11],[13]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.01%	[14],[16]	12.00%	[11],[13]
Spread		7.50%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 16,515
Ending balance		16,098	[14],[16]	$ 16,515	[11],[13]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		670
Ending balance		$ 710		$ 670
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		25.00%
PIK Rate		25.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 190
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,108
Ending balance		$ 1,113		$ 1,108
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 722
Ending balance		$ 725		$ 722
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
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		13.00%		13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 4,815
Ending balance		$ 4,344		$ 4,815
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,525
Ending balance		2,379		$ 2,525
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	0
Ending balance		$ 0	[8]	$ 0	[7]
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.25%	[8],[16]	11.04%	[7],[13]
Spread		6.60%	[8],[16]	5.50%	[7],[13]
PIK Rate		8.75%	[8],[16]	8.54%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 2,301
Ending balance		$ 622	[8],[16]	$ 2,301	[7],[13]
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (5)
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.35%
Spread	[14],[16]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 1,722
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.35%
Spread	[14],[16]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 1,722
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.35%
Spread	[14],[16]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 1,722
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (47)
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.83%
Spread	[14],[16]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 17,489
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Eqiuty
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	30
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 140
Ending balance	[11]			$ 140
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.72%	[14],[16],[26]	11.64%	[11],[13],[48]
Spread		8.00%	[14],[16],[26]	6.00%	[11],[13],[48]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[48]	$ 261
Ending balance		$ 665	[14],[16],[26]	$ 261	[11],[13],[48]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.58%	[14],[16]	11.61%	[11],[13]
Spread		8.00%	[14],[16]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,000
Ending balance		$ 2,823	[14],[16]	$ 3,000	[11],[13]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.58%
Spread	[14],[16]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 265
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Eqiuty
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	1,740
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 2,190
Ending balance	[11]			$ 2,190
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.18%	[14],[16],[49]	12.46%	[11],[13],[50]
Spread		7.50%	[14],[16],[49]	7.00%	[11],[13],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[50]	$ 1,675
Ending balance		$ 1,585	[14],[16],[49]	$ 1,675	[11],[13],[50]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.19%	[14],[16]	12.46%	[11],[13]
Spread		7.50%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,948
Ending balance		$ 1,251	[14],[16]	$ 3,948	[11],[13]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.18%
Spread	[14],[16]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 121
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.18%
Spread	[14],[16]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 3,685
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	[7]			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 110
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[16],[22],[25]	23.63%	[7],[13],[23]
Spread		16.00%	[8],[16],[22],[25]	18.00%	[7],[13],[23]
PIK Rate		21.59%	[8],[16],[22],[25]	23.63%	[7],[13],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[23]	$ 1,747
Ending balance		$ 0	[8],[16],[22],[25]	$ 1,747	[7],[13],[23]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[16],[22],[25]	21.63%	[7],[13],[23]
Spread		16.00%	[8],[16],[22],[25]	16.00%	[7],[13],[23]
PIK Rate		21.59%	[8],[16],[22],[25]	21.63%	[7],[13],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[23]	$ 121
Ending balance		$ 0	[8],[16],[22],[25]	$ 121	[7],[13],[23]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.21%	[8],[16]	21.63%	[7],[13],[23]
Spread		8.75%	[8],[16]	16.00%	[7],[13],[23]
PIK Rate		6.00%	[8],[16]	21.63%	[7],[13],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[23]	$ 117
Ending balance		$ 1,470	[8],[16]	$ 117	[7],[13],[23]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8],[16]	13.18%
Spread	[8],[16]	8.75%
PIK Rate	[8],[16]	13.18%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[16]	$ 1,091
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,070
Ending balance				1,070
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12]	0
Ending balance	[12]			$ 0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,690
Ending balance				$ 2,690
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]	1,193
Ending balance	[17]			$ 1,193
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 2,814
Ending balance				$ 2,814
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 2,568
Investment, Identifier [Axis]: JorVet Holdings, LLC., Preferred Eqiuty
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,460
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.50%	[14],[16],[22]	14.75%	[11],[13]
Spread		9.75%	[14],[16],[22]	9.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,180
Ending balance		$ 829	[14],[16],[22]	$ 1,180	[11],[13]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.23%	[14],[16]	14.75%	[11],[13]
Spread		9.75%	[14],[16]	9.25%	[11],[13]
PIK Rate	[14],[16]	14.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,475
Ending balance		$ 562	[14],[16]	$ 8,475	[11],[13]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	14.23%
Spread	[14],[16]	9.75%
PIK Rate	[14],[16]	14.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 550
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16],[22]	14.50%
Spread	[14],[16],[22]	9.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[22]	$ 5,973
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)		(5)		(30)
Amount of Interest, Fees or Dividends Credited to Income		31		29
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		683	[27]	713
Gross Additions		0		0
Gross Reductions		5		30
Ending balance		678	[15],[28]	683	[27]	713
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)		640		620
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,420		1,800
Gross Additions		640		620
Gross Reductions		0		0
Ending balance		$ 3,060		$ 2,420		1,800
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(18)
Amount of Interest, Fees or Dividends Credited to Income		543		668
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,933		5,093
Gross Additions		8		58
Gross Reductions		1,200		218
Ending balance		$ 3,741		$ 4,933		5,093
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		88		86
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		951		961
Gross Additions		42		0
Gross Reductions		11		10
Ending balance		$ 982		$ 951		961
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.89%	[14],[16]	12.71%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,960
Ending balance		$ 701	[14],[16]	$ 7,960	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.92%	[14],[16]	12.71%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,246
Ending balance		$ 7,850	[14],[16]	$ 5,246	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.71%	[14],[16]	12.71%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 0
Ending balance		$ 5,181	[14],[16]	$ 0	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.92%	[14],[16]	12.71%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 871
Ending balance		$ 860	[14],[16]	$ 871	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		11.71%	[14],[16]	12.71%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,822
Ending balance		8,716	[14],[16]	$ 8,822	[11],[13]
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			15.54%
Spread	[11],[13]			9.00%
PIK Rate	[11],[13]			1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,417
Ending balance	[11],[13]			$ 4,417
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.74%
Spread	[14],[16]	8.00%
PIK Rate	[14],[16]	3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 3,684
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			10.62%
Spread	[7]			5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 5,592
Ending balance	[7]			$ 5,592
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8]	9.44%
Spread	[8]	5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 5,534
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.25%	[14],[16],[25]	13.25%	[11],[13]
Spread		4.25%	[14],[16],[25]	4.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 9,069
Ending balance		9,191	[14],[16],[25]	$ 9,069	[11],[13]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	2,803
Ending balance	[7],[13]			$ 2,803
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	3,925
Ending balance	[7],[13]			$ 3,925
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	3,464
Ending balance	[7],[13]			$ 3,464
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	7,796
Ending balance	[7],[13]			$ 7,796
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(1,100)		0
Amount of Unrealized Gain/(Loss)		1,020		80
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		80		0
Gross Additions		1,020		80
Gross Reductions		1,100		0
Ending balance		0		80		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(1,500)		0
Amount of Unrealized Gain/(Loss)		1,500		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		1,500		0
Gross Reductions		1,500		0
Ending balance		0		$ 0		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[24]			13.00%
Amount of Realized Gain/(Loss)		(960)		$ 0
Amount of Unrealized Gain/(Loss)		95		307
Amount of Interest, Fees or Dividends Credited to Income		139		190
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,256	[24]	1,137
Gross Additions		94		308
Gross Reductions		1,350		189
Ending balance		$ 0		$ 1,256	[24]	1,137
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[14],[16],[18]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[14],[16],[18]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[14],[16]	12.28%	[11],[13]
Spread		7.50%	[14],[16]	6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 16,721
Ending balance		21,081	[14],[16]	$ 16,721	[11],[13]
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				(4,160)
Amount of Unrealized Gain/(Loss)				4,160
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				4,160
Gross Reductions				4,160
Ending balance				$ 0		0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ (6,465)
Amount of Unrealized Gain/(Loss)				6,060
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		403
Gross Additions				6,060
Gross Reductions				6,463
Ending balance				0		403
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		110
Ending balance		$ 500		$ 110
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[15]	8.00%	[17]
PIK Rate		8.00%	[15]	8.00%	[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]	$ 443
Ending balance		470	[15]	$ 443	[17]
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12]	0
Ending balance		$ 0	[18]	$ 0	[12]
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.75%		12.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,707
Ending balance		$ 1,513		$ 1,707
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[14],[16],[18]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (6)
Ending balance		$ (5)	[14],[16],[18]	$ (6)	[11],[12],[13]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.22%	[14],[16]	11.46%	[11],[13]
Spread		5.75%	[14],[16]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,671
Ending balance		$ 1,342	[14],[16]	$ 2,671	[11],[13]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.21%
Spread	[14],[16]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 2,389
Investment, Identifier [Axis]: Mills Fleet Farm Group, 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		11,166
Gross Reductions		0
Ending balance		$ 11,166		$ 0
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.52%
Spread		7.00%		7.00%	[11],[13]
Amount of Realized Gain/(Loss)		$ (5,022)
Amount of Unrealized Gain/(Loss)		339
Amount of Interest, Fees or Dividends Credited to Income		1,820
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	17,524
Gross Additions		0
Gross Reductions		17,524
Ending balance		0		$ 17,524	[11],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	300
Ending balance		$ 280	[14]	$ 300	[11]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[26]	10.74%
Spread		6.25%	[14],[16],[26]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (28)
Ending balance		$ 375	[14],[16],[26]	$ (28)	[11],[12],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16],[49]	10.77%
Spread		6.25%	[14],[16],[49]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (10)
Ending balance		$ 858	[14],[16],[49]	$ (10)	[11],[12],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.76%	[14],[16]	10.64%	[11],[13]
Spread		5.25%	[14],[16]	5.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,149
Ending balance		$ 3,201	[14],[16]	$ 3,149	[11],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.76%	[14],[16]	12.64%	[11],[13]
Spread		7.25%	[14],[16]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,146
Ending balance		$ 3,201	[14],[16]	$ 3,146	[11],[13]
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate	[15]	12.00%
PIK Rate	[15]	12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 427
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 2,197
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[10]	148
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	197
Ending balance		$ 226	[14],[31],[32]	$ 197	[11],[29],[30]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.59%	[14],[16],[31],[32]	14.00%	[11],[29],[30]
Spread	[14],[16],[31],[32]	7.00%
PIK Rate	[11],[29],[30]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	$ 1,133
Ending balance		$ 1,125	[14],[16],[31],[32]	$ 1,133	[11],[29],[30]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.59%	[14],[16],[31],[32]	14.00%	[11],[29],[30]
Spread	[14],[16],[31],[32]	7.00%
PIK Rate	[11],[29],[30]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	$ 3,184
Ending balance		$ 3,160	[14],[16],[31],[32]	$ 3,184	[11],[29],[30]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.59%	[14],[16],[31],[32]	14.00%	[11],[29],[30]
Spread	[14],[16],[31],[32]	7.00%
PIK Rate	[11],[29],[30]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[29],[30]	$ 4,957
Ending balance		$ 5,213	[14],[16],[31],[32]	$ 4,957	[11],[29],[30]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[31],[32]	8.00%
PIK Rate	[14],[31],[32]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[31],[32]	$ 34
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[31],[32]	8.00%
PIK Rate	[14],[31],[32]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[31],[32]	$ 15
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[31],[32]	8.00%
PIK Rate	[14],[31],[32]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[31],[32]	$ 31
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[28]	11,166
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)		(8)		890
Amount of Interest, Fees or Dividends Credited to Income		950		1,131
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,598	[17]	5,708
Gross Additions		0		890
Gross Reductions		8		0
Ending balance		6,590	[15]	6,598	[17]	5,708
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	[12]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18]	$ 0	[12]	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)		4		0
Amount of Interest, Fees or Dividends Credited to Income		147		146
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,436		1,436
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		1,436		1,436		1,436
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		860
Amount of Interest, Fees or Dividends Credited to Income		234
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		3,890
Gross Reductions		0
Ending balance		$ 3,890	[15]	0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[16],[18]	6.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		248
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		5,388
Gross Reductions		5,400
Ending balance		$ (12)	[16],[18]	0
Investment, Identifier [Axis]: Nello Industries Investco, 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		538
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		6,619
Gross Reductions		0
Ending balance		6,619		0
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)		1,380		1,310
Amount of Interest, Fees or Dividends Credited to Income		244		166
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,590	[17]	280
Gross Additions		1,380		1,310
Gross Reductions		0		0
Ending balance		2,970	[15]	$ 1,590	[17]	280
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		30		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		844		0
Gross Reductions		844		0
Ending balance		$ 0		$ 0	[12]	0
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		3		708
Amount of Interest, Fees or Dividends Credited to Income		260		289
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,435		2,119
Gross Additions		18		729
Gross Reductions		0		413
Ending balance		$ 2,453		$ 2,435		2,119
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[14],[16],[18]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (3)
Ending balance		$ (3)	[14],[16],[18]	$ (3)	[11],[12],[13]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.24%
Spread		6.50%	[14],[16]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (12)
Ending balance		14,436	[14],[16]	$ (12)	[11],[12],[13]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.54%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	10,991
Ending balance	[11],[13]			$ 10,991
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]
Beginning balance	[11],[13]	3,878
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		1,500		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)		164		300
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,310		2,010
Gross Additions		580		300
Gross Reductions		0		0
Ending balance		2,890		2,310		2,010
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,310
Ending balance		2,890		2,310
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)		29		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		1,290		1,290
Gross Additions		210		0
Gross Reductions		0		0
Ending balance		$ 1,500		$ 1,290		1,290
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.16%	[16]	11.98%	[13]
Spread		6.50%	[16]	6.50%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(2)
Amount of Interest, Fees or Dividends Credited to Income		110		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		899	[13]	1,100
Gross Additions		1		1
Gross Reductions		0		202
Ending balance		$ 900	[16]	$ 899	[13]	1,100
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		0
Amount of Interest, Fees or Dividends Credited to Income		566		564
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,606		4,603
Gross Additions		4		3
Gross Reductions		0		0
Ending balance		4,610		$ 4,606		4,603
Investment, Identifier [Axis]: Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			11.47%
Spread	[7]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 6,039
Ending balance	[7]			$ 6,039
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (14)
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.97%
Spread	[14],[16]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 11,766
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.35%
Spread	[14],[16]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 1,040
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.33%
Spread	[14],[16]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 2,888
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		358		0
Amount of Interest, Fees or Dividends Credited to Income		3		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		282		264
Gross Additions		358		18
Gross Reductions		0		0
Ending balance		$ 640		$ 282		264
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[13]			16.48%
Spread		10.00%		11.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		7		(7)
Amount of Interest, Fees or Dividends Credited to Income		142		231
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,339	[13]	1,380
Gross Additions		21		6
Gross Reductions		1,360		47
Ending balance		0		1,339	[13]	1,380
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)		(900)		1,320
Amount of Interest, Fees or Dividends Credited to Income		112		274
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,260	[17],[27]	2,940
Gross Additions		0		1,320
Gross Reductions		900		0
Ending balance		$ 3,360	[15],[28]	$ 4,260	[17],[27]	2,940
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[16],[18]	11.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		2
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	[12],[13]	(2)
Gross Additions		1		2
Gross Reductions		1		0
Ending balance		$ 0	[16],[18]	$ 0	[12],[13]	(2)
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.66%	[16]	16.48%	[13]
Spread		11.00%	[16]	11.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(23)		58
Amount of Interest, Fees or Dividends Credited to Income		932		955
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,510	[13]	5,814
Gross Additions		23		86
Gross Reductions		43		390
Ending balance		5,490	[16]	5,510	[13]	5,814
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)		5,022
Amount of Unrealized Gain/(Loss)		153
Amount of Interest, Fees or Dividends Credited to Income		(2,516)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(36,978)
Gross Additions		0
Gross Reductions		0
Ending balance		0		(36,978)
Investment, Identifier [Axis]: Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments.1
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		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)		0		1,541
Amount of Unrealized Gain/(Loss)		0		(649)
Amount of Interest, Fees or Dividends Credited to Income		0		(94)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		(6,392)
Gross Additions		0		6,392
Gross Reductions		0		0
Ending balance		$ 0		$ 0		(6,392)
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.03%	[14],[16],[31],[32]	12.80%	[11],[13],[29],[30],[51]
Spread		8.25%	[14],[16],[31],[32]	7.25%	[11],[13],[29],[30],[51]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[29],[30],[51]	$ 196
Ending balance		$ 443	[14],[16],[31],[32]	$ 196	[11],[13],[29],[30],[51]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.03%	[14],[16],[31],[32]	12.88%	[11],[13],[29],[30]
Spread		8.25%	[14],[16],[31],[32]	7.25%	[11],[13],[29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[29],[30]	$ 1,720
Ending balance		1,155	[14],[16],[31],[32]	$ 1,720	[11],[13],[29],[30]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[52]			11.24%
Spread	[11],[13],[52]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[52]	421
Ending balance	[11],[13],[52]			$ 421
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.25%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	2,442
Ending balance	[11],[13]			$ 2,442
Investment, Identifier [Axis]: Peaches Holding Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		1,140
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,455		0
Amount of Interest, Fees or Dividends Credited to Income		530		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,135		0
Gross Additions		1,455		3,135
Gross Reductions		0		0
Ending balance		4,590	[15]	$ 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		$ 0
Amount of Unrealized Gain/(Loss)		8		0
Amount of Interest, Fees or Dividends Credited to Income		5		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		105		0
Gross Additions		10		105
Gross Reductions		115		0
Ending balance		$ 0	[18]	$ 105		0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		141		0
Amount of Interest, Fees or Dividends Credited to Income		1,033		34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,472		0
Gross Additions		188		7,472
Gross Reductions		500		0
Ending balance		7,160		7,472		0
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	500
Ending balance		$ 1,640	[14]	$ 500	[11]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[14],[16],[18]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (35)
Ending balance		$ (27)	[14],[16],[18]	$ (35)	[11],[12],[13]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.86%
Spread		6.50%	[14],[16]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (35)
Ending balance		$ 2,640	[14],[16]	$ (35)	[11],[12],[13]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.90%	[14],[16]	12.12%	[11],[13]
Spread		6.50%	[14],[16]	6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,939
Ending balance		$ 7,859	[14],[16]	$ 7,939	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.58%	[14],[16]	12.28%	[11],[13]
Spread		5.50%	[14],[16]	6.85%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,970
Ending balance		$ 5,910	[14],[16]	$ 5,970	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.83%	[14],[16]	12.20%	[11],[13]
Spread		5.50%	[14],[16]	6.85%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 570
Ending balance		$ 564	[14],[16]	$ 570	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	9.83%
Spread	[14],[16]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 567
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]	9.58%
Spread	[14],[16]	5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 644
Investment, Identifier [Axis]: Purge Rite, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	820
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,302
Ending balance		1,289	[14]	$ 1,302
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[12],[13]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12],[13]	(19)
Ending balance	[12],[13]			$ (19)
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[13]			13.70%
Spread	[13]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 3,813
Ending balance	[13]			$ 3,813
Investment, Identifier [Axis]: RA Outdoors LLC, Common Equity
Schedule of Investments [Line Items]
Spread	[14],[31]	6.75%
PIK Rate	[14],[31]	11.59%
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	[14],[31]	$ 0
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.74%	[14],[16],[31]	12.22%	[11],[13],[45]
Spread		6.75%	[14],[16],[31]	6.75%	[11],[13],[45]
PIK Rate	[14],[16],[31]	11.74%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(44)
Amount of Interest, Fees or Dividends Credited to Income		65
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[45]	745
Gross Additions		519
Gross Reductions		49
Ending balance		$ 1,215	[14],[16],[31]	$ 745	[11],[13],[45]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%	[14],[16],[31]	12.21%	[11],[13]
Spread		6.75%	[14],[16],[31]	6.75%	[11],[13]
PIK Rate	[14],[16],[31]	11.74%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(460)
Amount of Interest, Fees or Dividends Credited to Income		685
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	12,089
Gross Additions		850
Gross Reductions		229
Ending balance		12,710	[14],[16],[31]	$ 12,089	[11],[13]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.14%
Spread	[7],[13]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 7,237
Ending balance	[7],[13]			$ 7,237
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.22%	[14],[16],[26]	18.47%	[11],[13],[53]
Spread		6.75%	[14],[16],[26]	6.50%	[11],[13],[53]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[53]	$ 818
Ending balance		$ 1,075	[14],[16],[26]	$ 818	[11],[13],[53]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.38%	[14],[16]	11.88%	[11],[13]
Spread		6.75%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,362
Ending balance		$ 10,288	[14],[16]	$ 10,362	[11],[13]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.43%
Spread	[14],[16]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 5,065
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)		0		(1,650)
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		1,650
Gross Additions		0		0
Gross Reductions		0		1,650
Ending balance		$ 0		$ 0		1,650
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.50%
PIK Rate	[18],[22]	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		1		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(6)	[12]	(8)
Gross Additions		0		2
Gross Reductions		1		0
Ending balance		$ (7)	[18],[22]	$ (6)	[12]	(8)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[22]	12.50%
PIK Rate	[22]	10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1,663)		(323)
Amount of Interest, Fees or Dividends Credited to Income		123		507
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,421		3,902
Gross Additions		0		18
Gross Reductions		1,804		499
Ending balance		$ 1,617	[22]	$ 3,421		3,902
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[14],[16],[18]	6.50%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[14],[16],[18]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.85%	[14],[16]	12.16%	[11],[13]
Spread		7.00%	[14],[16]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,142
Ending balance		$ 3,840	[14],[16]	$ 4,142	[11],[13]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.85%	[14],[16]	14.16%	[11],[13]
Spread		9.00%	[14],[16]	8.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,082
Ending balance		$ 3,815	[14],[16]	$ 4,082	[11],[13]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.52%	[14],[16]	13.54%	[11],[13]
Spread		8.00%	[14],[16]	6.00%	[11],[13]
PIK Rate		2.00%	[14],[16]	2.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,383
Ending balance		$ 6,542	[14],[16]	$ 6,383	[11],[13]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.52%	[14],[16]	13.54%	[11],[13]
Spread		8.00%	[14],[16]	6.00%	[11],[13]
PIK Rate		2.00%	[14],[16]	2.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,984
Ending balance		8,277	[14],[16]	$ 8,984	[11],[13]
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)		(1,840)		1,737
Amount of Interest, Fees or Dividends Credited to Income		541		399
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,390	[17]	4,550
Gross Additions		0		1,840
Gross Reductions		1,840		0
Ending balance		$ 4,550	[15]	$ 6,390	[17]	4,550
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%		11.25%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		6
Amount of Interest, Fees or Dividends Credited to Income		88		28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		375		0
Gross Additions		750		625
Gross Reductions		375		250
Ending balance		$ 750		$ 375		0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.79%	[54]	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		$ 18,179		0
Gross Additions				18,179
Gross Reductions				0
Ending balance		22,554	[54]	18,179		0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(161)
Amount of Interest, Fees or Dividends Credited to Income		947
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,179
Gross Additions		0
Gross Reductions		18,179
Ending balance		$ 0		$ 18,179
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.79%		9.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		21		(134)
Amount of Interest, Fees or Dividends Credited to Income		1,948		1,403
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		29,929
Gross Additions		22,554		0
Gross Reductions		0		29,929
Ending balance		22,554		0		29,929
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	160
Ending balance		$ 190	[14]	$ 160	[11]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[14],[16],[18]	8.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[14],[16],[18]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.98%	[14],[16]	13.72%	[11],[13]
Spread		7.50%	[14],[16]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,925
Ending balance		4,875	[14],[16]	$ 4,925	[11],[13]
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		600
Ending balance		$ 630	[15]	$ 600
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		$ 2,860
Ending balance		4,080		$ 2,860
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	59
Ending balance		$ 62	[14]	$ 59	[11]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.46%
Spread		5.25%	[14],[16],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 34
Ending balance		$ 0	[14],[16],[18]	$ 34	[11],[13]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.71%	[14],[16]	11.70%	[11],[13]
Spread		5.25%	[14],[16]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,979
Ending balance		4,388	[14],[16]	$ 2,979	[11],[13]
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	[11]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0	[14]	$ 0	[11]	0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[23]			8.50%
PIK Rate	[11],[23]			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		$ 3,543	[11],[23]	5,063
Gross Additions				244
Gross Reductions				1,764
Ending balance				3,543	[11],[23]	5,063
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14]	8.50%
PIK Rate	[14]	8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 227
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		8.50%
PIK Rate		8.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(1,717)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,543
Gross Additions		0
Gross Reductions		1,717
Ending balance		$ 1,826		3,543
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[22]	8.50%
PIK Rate	[14],[22]	8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[22]	$ 1,826
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		8.50%
PIK Rate		8.50%
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		227
Gross Reductions		0
Ending balance		$ 227		0
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (7)
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (5)
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.13%
Spread	[14],[16]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 2,299
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(1,920)
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		1,920
Gross Additions		0		0
Gross Reductions		0		1,920
Ending balance		0		0		1,920
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(141)
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		124
Gross Reductions		0		124
Ending balance		0		0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(165)
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		165
Gross Reductions		0		165
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[22],[25]	12.00%	[24]
PIK Rate	[22],[25]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(15)		(28)
Amount of Interest, Fees or Dividends Credited to Income		14		56
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		432	[24]	460
Gross Additions		0		0
Gross Reductions		20		28
Ending balance		$ 412	[22],[25]	$ 432	[24]	460
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[22],[25]	12.00%	[24]
PIK Rate	[22],[25]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(2,626)		(218)
Amount of Interest, Fees or Dividends Credited to Income		115		466
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,565	[24]	3,780
Gross Additions		0		3
Gross Reductions		2,664		218
Ending balance		901	[22],[25]	3,565	[24]	3,780
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[27]	2,840
Ending balance		2,290	[14],[28]	2,840	[11],[27]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		43
Ending balance		72	[15]	43
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]	1,600
Ending balance		$ 1,600	[15]	$ 1,600	[17]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 37
Ending balance		$ 98		$ 37
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 1,841
Ending balance		$ 1,274		$ 1,841
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[14]	8.00%
PIK Rate	[14]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 540
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[18]	$ (40)
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.83%
Spread	[14],[16]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 13,049
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)		(1,040)		1,230
Amount of Interest, Fees or Dividends Credited to Income		29		29
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,180	[17]	1,950
Gross Additions		0		1,230
Gross Reductions		1,040		0
Ending balance		2,140	[15]	$ 3,180	[17]	1,950
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)		(1)		(2)
Amount of Interest, Fees or Dividends Credited to Income		1		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		2
Gross Reductions		1		2
Ending balance		$ (1)	[18]	$ 0	[12]	0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(6)		(14)
Amount of Interest, Fees or Dividends Credited to Income		274		255
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,980		1,980
Gross Additions		0		14
Gross Reductions		18		14
Ending balance		$ 1,962		$ 1,980		1,980
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.90%	[8],[16],[22]	12.53%	[7],[13],[23]
Spread		7.40%	[8],[16],[22]	7.15%	[7],[13],[23]
PIK Rate		6.00%	[8],[16],[22]	6.00%	[7],[13],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[23]	$ 2,438
Ending balance		2,686	[8],[16],[22]	$ 2,438	[7],[13],[23]
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[23]	0
Ending balance		0	[8],[22]	$ 0	[7],[23]
Investment, Identifier [Axis]: UPS Intermediate, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 412
Investment, Identifier [Axis]: UPS Intermediate, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.36%
Spread	[14],[16]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 19,294
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]
Beginning balance	[11],[13]	12,405
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]
Beginning balance	[11],[13]	4,825
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]
Beginning balance	[11],[13]	$ 2,515
Ending balance	[11],[13]			$ 2,515
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[15]	9.00%
PIK Rate	[15]	9.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		80
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		1,080
Gross Reductions		0
Ending balance		$ 1,080	[15]	0
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt
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		280
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		2,145
Gross Reductions		0
Ending balance		$ 2,145		$ 0
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.75%	[14],[16]	12.99%	[11],[13]
Spread		7.50%	[14],[16]	7.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,000
Ending balance		3,000	[14],[16]	$ 3,000	[11],[13]
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[17]	1,911
Ending balance		1,950	[14],[15]	1,911	[11],[17]
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)		0		(30)
Amount of Interest, Fees or Dividends Credited to Income		100		54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,060	[17],[27]	2,990
Gross Additions		0		100
Gross Reductions		0		30
Ending balance		$ 3,060	[15],[28]	$ 3,060	[17],[27]	2,990
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[16],[18]	6.00%	[12],[13],[24]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		4		10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13],[24]	(5)
Gross Additions		0		5
Gross Reductions		0		0
Ending balance		$ 0	[16],[18]	$ 0	[12],[13],[24]	(5)
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		843		904
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,926		7,421
Gross Additions		50		55
Gross Reductions		610		550
Ending balance		6,366		6,926		7,421
Investment, Identifier [Axis]: Victory Energy Operations, 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		4,198
Gross Reductions		554
Ending balance		3,644		0
Investment, Identifier [Axis]: Victory Energy Operations, 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		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		5
Ending balance		$ (5)	[18]	0
Investment, Identifier [Axis]: Victory Energy Operations, 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		263
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		7,529
Gross Reductions		0
Ending balance		7,529		0
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	2,180
Ending balance		4,676	[14]	$ 2,180	[11]
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]
Beginning balance	[11],[13]	$ 12,193
Ending balance	[11],[13]			$ 12,193
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14]	11.55%
Spread	[14]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14]	$ 1,705
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.47%
Spread	[14],[16]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 12,375
Investment, Identifier [Axis]: Volusion, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(1,104)
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		1,104
Gross Reductions		0		1,104
Ending balance		0		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,110
Ending balance		3,004		3,110
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1
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		13		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]: Volusion, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,895		(596)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,110		0
Gross Additions		1,895		4,906
Gross Reductions		2,001		1,796
Ending balance		3,004		3,110		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3
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]: Volusion, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		91
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		900
Gross Additions		0
Gross Reductions		0
Ending balance		900		$ 900
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		900		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		0		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%
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		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		0		0
Gross Additions				0
Gross Reductions				0
Ending balance				0		$ 0
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	910
Ending balance		$ 1,510	[14]	$ 910	[11]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[14],[16],[18]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (5)
Ending balance		$ (3)	[14],[16],[18]	$ (5)	[11],[12],[13]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%	[14],[16]	12.54%	[11],[13]
Spread		7.00%	[14],[16]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,654
Ending balance		$ 2,199	[14],[16]	$ 4,654	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[14]	11.50%	[11],[13],[48]
Spread	[11],[13],[48]			6.00%
PIK Rate	[14]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[48]	$ 253
Ending balance		$ 292	[14]	$ 253	[11],[13],[48]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[14]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[14]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 53
Ending balance		$ 50	[14]	$ 53	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[14]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[14]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,166
Ending balance		$ 2,076	[14]	$ 2,166	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[14]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[14]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,955
Ending balance		1,874	[14]	$ 1,955	[11],[13]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	390
Ending balance		$ 640	[14],[15]	$ 390	[11]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.47%	[14],[16]	11.34%	[11],[13],[55]
Spread		5.00%	[14],[16]	6.00%	[11],[13],[55]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[55]	$ 665
Ending balance		$ 658	[14],[16]	$ 665	[11],[13],[55]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.60%	[14],[16]	11.35%	[11],[13]
Spread		5.00%	[14],[16]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,947
Ending balance		$ 2,917	[14],[16]	$ 2,947	[11],[13]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.60%	[14],[16]	11.35%	[11],[13]
Spread		5.00%	[14],[16]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,467
Ending balance		$ 1,452	[14],[16]	$ 1,467	[11],[13]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]	12.81%	[14]	12.64%	[11],[56]
Spread	[13]	8.00%	[14]	7.00%	[11],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[56]	$ 2,778
Ending balance	[13]	$ 2,672	[14]	$ 2,778	[11],[56]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[13]	12.85%	[14]	12.66%	[11]
Spread	[13]	8.00%	[14]	7.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,583
Ending balance	[13]	$ 2,276	[14]	$ 2,583	[11]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[13]	11.85%	[14]	12.66%	[11]
Spread	[13]	7.00%	[14]	7.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 11,625
Ending balance	[13]	$ 8,794	[14]	$ 11,625	[11]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[13],[14]	13.85%
Spread	[13],[14]	9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14]	$ 8,794
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]	530
Ending balance		$ 530	[15]	$ 530	[17]
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		$ 1,601
Ending balance		$ 1,468		$ 1,601
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]	9.70%
Spread		5.25%	[14],[16]	5.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 1,176	[14],[16]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.98%	[14],[16]	11.22%	[11],[13]
Spread		5.25%	[14],[16]	5.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,188
Ending balance		2,328	[14],[16]	$ 1,188	[11],[13]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.25%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	2,352
Ending balance	[11],[13]			$ 2,352
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			13.00%
Spread	[7],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 5,110
Ending balance	[7],[13]			$ 5,110
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[16]	12.25%
Spread	[8],[16]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[16]	$ 4,661
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]	12.50%
Spread	[14],[16]	5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 86
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.74%
Spread	[14],[16]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 517
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.28%
Spread	[14],[16]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 817
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]	10.66%
Spread	[14],[16]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 5,852
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]	11.91%
Spread	[14],[16]	7.25%
PIK Rate	[14],[16]	11.91%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16]	$ 2,025
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[57]			12.71%
Spread	[11],[13],[57]			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[57]	$ 2,234
Ending balance	[11],[13],[57]			$ 2,234
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.91%	[14],[16]	12.71%	[11],[13],[57]
Spread		7.25%	[14],[16]	7.25%	[11],[13],[57]
PIK Rate	[14],[16]	11.91%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[57]	$ 555
Ending balance		$ 508	[14],[16]	$ 555	[11],[13],[57]
[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 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] Income producing through dividends or distributions. [16] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of the loans (based on the par amount) contain Term SOFR (“SOFR”) floors which range between 0.75% and 5.25%, with a weighted-average floor of 1.28%. [17] Income producing through dividends or distributions. [18] The position is unfunded and no interest income is being earned as of December 31, 2024. The position may earn a nominal unused facility fee on committed amounts. [19] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [20] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [21] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [22] Non-accrual and non-income producing debt investment. [23] Non-accrual and non-income producing debt investment. [24] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [25] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [26] 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, 2024. [27] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [28] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [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] Portfolio company headquarters are located outside of the United States. [31] 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. [32] Portfolio company headquarters are located outside of the United States. [33] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [34] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [35] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [36] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [37] 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. [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] Effective yield as of December 31, 2023 was approximately 5.25% on the Fidelity Government Portfolio Class III Fund. [40] Effective yield as of December 31, 2024 was approximately 4.13% on the Fidelity Government Portfolio Fund Class III. [41] Effective yield as of December 31, 2023 was approximately 5.23% on the First American Treasury Obligations Fund Class Z. [42] Effective yield as of December 31, 2024 was approximately 4.41% on the First American Treasury Obligations Fund Class Z. [43] Index based floating interest rate is subject to contractual maximum base rate of 4.00%. [44] 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. [45] 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. [46] 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. [47] 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. [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] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2024. [50] As of December 31, 2023, borrowings under the loan facility bear interest at SOFR+7.00% (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. [51] 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. [52] 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. [53] 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. [54] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.75% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [55] 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. [56] 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. [57] 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.