Consolidated Schedule of Investments

v3.22.2.2

Consolidated Schedule of Investments - USD ($) $ in Thousands		Sep. 30, 2022		Dec. 31, 2021		Sep. 30, 2021
Schedule of Investments [Line Items]
Cost		$ 3,689,627		$ 3,259,246	[1],[2],[3]	$ 3,689,627	[1],[4],[5]
Fair value		$ 3,973,490		$ 3,561,831	[1],[2],[6]	3,973,490	[1],[4],[7]
Investment owned, percent of net assets		200.70%		199.20%
Analytical Systems Keco Holdings, LLC
Schedule of Investments [Line Items]
Cost		$ 10,535		$ 10,679
Fair value		8,436		9,630
ASC Interests, LLC
Schedule of Investments [Line Items]
Cost		3,448		3,336
Fair value		2,748		2,556
ATS Workholding, LLC
Schedule of Investments [Line Items]
Cost		8,442	[8]	8,361	[9]
Fair value		2,098	[8]	3,005	[9]
Barfly Ventures, LLC
Schedule of Investments [Line Items]
Cost		2,295	[8]	2,295	[9]
Fair value		4,031	[8]	2,641	[9]
Batjer TopCo, LLC
Schedule of Investments [Line Items]
Cost		15,014
Fair value		15,014
Bolder Panther Group, LLC
Schedule of Investments [Line Items]
Cost		112,615		62,881
Fair value		126,204		72,364
Brewer Crane Holdings, LLC
Schedule of Investments [Line Items]
Cost		10,364		12,317
Fair value		11,754		15,747
Bridge Capital Solutions Corporation
Schedule of Investments [Line Items]
Cost		12,945		12,945
Fair value		15,073		14,873
California Splendor Holdings LLC
Schedule of Investments [Line Items]
Cost		42,576		48,200
Fair value		52,878		50,700
Centre Technologies Holdings, LLC
Schedule of Investments [Line Items]
Cost		21,069		15,210
Fair value		23,107		14,704
Chamberlin Holding LLC
Schedule of Investments [Line Items]
Cost		30,651		30,500
Fair value		41,787		43,497
Charps, LLC
Schedule of Investments [Line Items]
Cost		6,598		6,562
Fair value		18,904		19,684
Clad-Rex Steel, LLC
Schedule of Investments [Line Items]
Cost		18,967		18,962
Fair value		21,577		22,252
Cody Pools, Inc.
Schedule of Investments [Line Items]
Cost		49,230		50,434
Fair value		98,424		90,124
Colonial Electric Company LLC
Schedule of Investments [Line Items]
Cost		31,131		32,031
Fair value		32,661		33,481
CompareNetworks Topco, LLC
Schedule of Investments [Line Items]
Cost		7,314		8,427
Fair value		23,920		18,477
Datacom, LLC
Schedule of Investments [Line Items]
Cost		11,050		10,906
Fair value		10,642		10,278
Digital Products Holdings LLC
Schedule of Investments [Line Items]
Cost		25,345		26,302
Fair value		25,679		26,636
Direct Marketing Solutions, Inc.
Schedule of Investments [Line Items]
Cost		34,752		32,311
Fair value		48,670		42,398
Flame King Holdings, LLC
Schedule of Investments [Line Items]
Cost		38,963		37,720
Fair value		42,640		37,720
Gamber-Johnson Holdings, LLC
Schedule of Investments [Line Items]
Cost		41,711		39,227
Fair value		70,548		71,298
Garreco, LLC
Schedule of Investments [Line Items]
Cost		5,026		5,396
Fair value		5,816		6,466
GRT Rubber Technologies LLC
Schedule of Investments [Line Items]
Cost		53,366		51,737
Fair value		86,683		85,075
Gulf Publishing Holdings, LLC
Schedule of Investments [Line Items]
Cost		11,681		17,503
Fair value		6,204		9,974
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost	[10],[11]	4,139
Fair value	[10],[11]	7,386
Jensen Jewelers of Idaho, LLC
Schedule of Investments [Line Items]
Cost		3,253		3,347
Fair value		17,420		14,970
Johnson Downie Opco, LLC
Schedule of Investments [Line Items]
Cost		13,050		14,494
Fair value		15,864		14,494
JorVet Holdings, LLC
Schedule of Investments [Line Items]
Cost		36,160
Fair value		36,160
Kickhaefer Manufacturing Company, LLC
Schedule of Investments [Line Items]
Cost		37,444		37,432
Fair value		35,922		38,970
Market Force Information, LLC
Schedule of Investments [Line Items]
Cost		47,594		45,994
Fair value		7,871		12,336
MH Corbin Holding LLC
Schedule of Investments [Line Items]
Cost		16,636		18,641
Fair value		2,709		5,934
MS Private Loan Fund I, LP
Schedule of Investments [Line Items]
Cost		14,250	[10],[11]	65,651	[12],[13]
Fair value		14,351	[10],[11]	65,732	[12],[13]
Mystic Logistics Holdings, LLC
Schedule of Investments [Line Items]
Cost		8,466		9,097
Fair value		26,446		15,218
Nebraska Vet AcquireCo, LLC
Schedule of Investments [Line Items]
Cost		35,576		22,228
Fair value		36,481		22,941
NexRev LLC
Schedule of Investments [Line Items]
Cost		20,483		23,053
Fair value		10,323		16,735
NRP Jones, LLC
Schedule of Investments [Line Items]
Cost		5,797		5,797
Fair value		6,870		8,520
NuStep, LLC
Schedule of Investments [Line Items]
Cost		33,010		29,156
Fair value		33,010		32,460
OMi Topco, LLC
Schedule of Investments [Line Items]
Cost		17,202		18,911
Fair value		36,930		38,210
Orttech Holdings, LLC
Schedule of Investments [Line Items]
Cost		33,417		34,151
Fair value		33,417		34,151
Pearl Meyer Topco LLC
Schedule of Investments [Line Items]
Cost		41,521		45,438
Fair value		70,501		59,644
PPL RVs, Inc.
Schedule of Investments [Line Items]
Cost		21,714		14,531
Fair value		39,313		26,741
Principle Environmental, LLC
Schedule of Investments [Line Items]
Cost		12,709		14,182
Fair value		18,820		19,143
Robbins Bros. Jewelry, Inc.
Schedule of Investments [Line Items]
Cost		46,641		47,026
Fair value		50,781		47,026
Tedder Industries, LLC
Schedule of Investments [Line Items]
Cost		26,096		24,760
Fair value		24,094		24,760
Televerde, LLC
Schedule of Investments [Line Items]
Cost		2,008
Fair value		6,998
Trantech Radiator Topco, LLC
Schedule of Investments [Line Items]
Cost		12,938		13,318
Fair value		15,735		17,372
VVS Holdco LLC
Schedule of Investments [Line Items]
Cost		42,757		43,110
Fair value		42,997		43,109
Ziegler’s NYPD, LLC
Schedule of Investments [Line Items]
Cost		7,634		7,809
Fair value		5,316		6,505
AAC Holdings, Inc.
Schedule of Investments [Line Items]
Cost		14,199	[14]	13,159	[15]
Fair value		11,126	[14]	13,813	[15]
ATX Networks Corp.
Schedule of Investments [Line Items]
Cost		8,509	[14]	9,055	[15]
Fair value		9,172	[14]	9,055	[15]
BBB Tank Services, LLC
Schedule of Investments [Line Items]
Cost		5,762		5,762
Fair value		2,298		2,508
Boccella Precast Products LLC
Schedule of Investments [Line Items]
Cost		2,576		2,576
Fair value		3,640		5,150
Buca C, LLC
Schedule of Investments [Line Items]
Cost		22,295		24,261
Fair value		14,006		14,370
Career Team Holdings, LLC
Schedule of Investments [Line Items]
Cost		24,580		24,550
Fair value		24,580		24,550
Classic H&G Holdings, LLC
Schedule of Investments [Line Items]
Cost		32,691		28,899
Fair value		50,824		38,534
DMA Industries, LLC
Schedule of Investments [Line Items]
Cost		26,969		26,937
Fair value		28,460		26,937
Dos Rios Partners
Schedule of Investments [Line Items]
Cost		8,702	[10],[11]	8,702	[12],[13]
Fair value		12,098	[10],[11]	13,609	[12],[13]
Freeport Financial Funds
Schedule of Investments [Line Items]
Cost		10,694	[10],[11]	13,603	[12],[13]
Fair value		10,291	[10],[11]	13,309	[12],[13]
GFG Group, LLC.
Schedule of Investments [Line Items]
Cost		16,561		17,335
Fair value		18,885		19,535
Harris Preston Fund Investments
Schedule of Investments [Line Items]
Cost	[10],[11]	5,854
Fair value	[10],[11]	7,627
Hawk Ridge Systems, LLC
Schedule of Investments [Line Items]
Cost		43,857		40,257	[13]
Fair value		61,062		52,835	[13]
Houston Plating and Coatings, LLC
Schedule of Investments [Line Items]
Cost		5,352		5,352
Fair value		4,970		6,170
Iron-Main Investments, LLC
Schedule of Investments [Line Items]
Cost		38,315		38,274
Fair value		38,315		38,274
OnAsset Intelligence, Inc.
Schedule of Investments [Line Items]
Cost		12,575		12,322
Fair value		6,265		8,422
Oneliance, LLC
Schedule of Investments [Line Items]
Cost		6,612		6,603
Fair value		6,612		6,603
Rocaceia, LLC (Quality Lease and Rental Holdings, LLC)
Schedule of Investments [Line Items]
Cost		32,365		32,365
Fair value		0		0
SI East, LLC
Schedule of Investments [Line Items]
Cost		96,592		66,956
Fair value		110,436		77,420
Slick Innovations, LLC
Schedule of Investments [Line Items]
Cost		5,090		6,129
Fair value		6,320		7,230
Sonic Systems International, LLC
Schedule of Investments [Line Items]
Cost		16,866	[8]	12,827	[9]
Fair value		17,033	[8]	12,827	[9]
Superior Rigging & Erecting Co.
Schedule of Investments [Line Items]
Cost		25,867		25,832
Fair value		25,867		25,832
The Affiliati Network, LLC
Schedule of Investments [Line Items]
Cost		17,534		19,496
Fair value		17,534		19,496
UniTek Global Services, Inc.
Schedule of Investments [Line Items]
Cost		20,324	[14]	19,103	[15]
Fair value		10,836	[14]	8,929	[15]
Universal Wellhead Services Holdings, LLC
Schedule of Investments [Line Items]
Cost		5,032	[8]	5,032	[9]
Fair value		0	[8]	0	[9]
Volusion, LLC
Schedule of Investments [Line Items]
Cost		33,719		34,419
Fair value		17,039		23,833
AB Centers Acquisition Corporation
Schedule of Investments [Line Items]
Cost	[8]	16,459
Fair value	[8]	16,459
Acousti Engineering Company of Florida
Schedule of Investments [Line Items]
Cost		12,433	[8]	12,846	[9]
Fair value		12,425	[8]	12,961	[9]
Acumera, Inc.
Schedule of Investments [Line Items]
Cost	[8]	17,753
Fair value	[8]	18,041
Adams Publishing Group, LLC
Schedule of Investments [Line Items]
Cost	[8]	27,792
Fair value	[8]	27,206
AMEREQUIP LLC.
Schedule of Investments [Line Items]
Cost	[8]	38,420
Fair value	[8]	38,420
American Health Staffing Group, Inc.
Schedule of Investments [Line Items]
Cost	[8]	6,567
Fair value	[8]	6,622
American Nuts, LLC
Schedule of Investments [Line Items]
Cost	[8]	30,860
Fair value	[8]	30,594
American Teleconferencing Services, Ltd.
Schedule of Investments [Line Items]
Cost		16,686	[14]	16,686	[15]
Fair value		976	[14]	520	[15]
ArborWorks, LLC
Schedule of Investments [Line Items]
Cost		34,027	[8]	32,107	[9]
Fair value		30,390	[8]	32,107	[9]
Archer Systems, LLC
Schedule of Investments [Line Items]
Cost	[8]	68,329
Fair value	[8]	68,329
ATS Operating, LLC
Schedule of Investments [Line Items]
Cost	[8]	14,040
Fair value	[8]	13,464
AVEX Aviation Holdings, LLC
Schedule of Investments [Line Items]
Cost		12,963	[8]	13,365	[9]
Fair value		12,389	[8]	13,365	[9]
Berry Aviation, Inc.
Schedule of Investments [Line Items]
Cost		2,529	[8]	6,513	[9]
Fair value		5,179	[8]	7,389	[9]
Bettercloud, Inc.
Schedule of Investments [Line Items]
Cost	[8]	26,379
Fair value	[8]	26,886
Bluestem Brands, Inc.
Schedule of Investments [Line Items]
Cost		6,304	[14]	5,358	[15]
Fair value		11,638	[14]	6,852	[15]
Brainworks Software, LLC
Schedule of Investments [Line Items]
Cost	[8]	7,817
Fair value	[8]	4,201
Brightwood Capital Fund Investments
Schedule of Investments [Line Items]
Cost		13,412	[10],[11]	11,550	[12],[13]
Fair value		11,180	[10],[11]	8,663	[12],[13]
Burning Glass Intermediate Holding Company, Inc.
Schedule of Investments [Line Items]
Cost		20,233	[8]	20,232	[9]
Fair value		20,553	[8]	20,414	[9]
CAI Software LLC
Schedule of Investments [Line Items]
Cost		1,789		1,789
Fair value		1,789		1,789
CaseWorthy, Inc.
Schedule of Investments [Line Items]
Cost	[8]	6,065
Fair value	[8]	5,988
Channel Partners Intermediateco, LLC
Schedule of Investments [Line Items]
Cost	[8]	43,537
Fair value	[8]	42,236
Computer Data Source, LLC
Schedule of Investments [Line Items]
Cost	[8]	23,287
Fair value	[8]	21,379
Dalton US Inc.
Schedule of Investments [Line Items]
Cost	[8]	14,764
Fair value	[8]	14,764
DTE Enterprises, LLC
Schedule of Investments [Line Items]
Cost		9,709	[8]	11,086	[9]
Fair value		8,886	[8]	10,255	[9]
Dynamic Communities, LLC
Schedule of Investments [Line Items]
Cost	[8]	5,582
Fair value	[8]	4,415
Eastern Wholesale Fence LLC
Schedule of Investments [Line Items]
Cost	[8]	32,667
Fair value	[8]	32,234
EnCap Energy Fund Investments
Schedule of Investments [Line Items]
Cost		29,029	[10],[11]	30,996	[12],[13]
Fair value		22,200	[10],[11]	20,796	[12],[13]
Centre Technologies Holdings, LLC
Schedule of Investments [Line Items]
Cost	[8]	16,106
Fair value	[8]	15,888
Event Holdco, LLC
Schedule of Investments [Line Items]
Cost	[8]	47,594
Fair value	[8]	43,769
Flip Electronics LLC
Schedule of Investments [Line Items]
Cost	[8]	6,569
Fair value	[8]	6,569
Fuse, LLC
Schedule of Investments [Line Items]
Cost		2,066	[14]	2,066	[15]
Fair value		1,512	[14]	1,672	[15]
GS HVAM Intermediate, LLC
Schedule of Investments [Line Items]
Cost	[8]	13,077
Fair value	[8]	12,775
GULF PACIFIC ACQUISITION, LLC
Schedule of Investments [Line Items]
Cost	[8]	3,553
Fair value	[8]	3,553
HDC/HW Intermediate Holdings
Schedule of Investments [Line Items]
Cost	[8]	3,419
Fair value	[8]	3,185
HEADLANDS OP-CO LLC
Schedule of Investments [Line Items]
Cost	[8]	16,419
Fair value	[8]	16,419
IG Parent Corporation
Schedule of Investments [Line Items]
Cost	[14]	14,740
Fair value	[14]	14,714
Independent Pet Partners Intermediate Holdings, LLC
Schedule of Investments [Line Items]
Cost		29,288	[8]	28,217	[9]
Fair value		20,250	[8]	27,753	[9]
Industrial Services Acquisition, LLC
Schedule of Investments [Line Items]
Cost		20,528	[8]	20,591	[9]
Fair value		20,703	[8]	20,483	[9]
Infolinks Media Buyco, LLC
Schedule of Investments [Line Items]
Cost	[8]	8,475
Fair value	[8]	8,523
Interface Security Systems, L.L.C
Schedule of Investments [Line Items]
Cost		8,635	[8]	7,762	[9]
Fair value		2,947	[8]	5,758	[9]
Invincible Boat Company, LLC.
Schedule of Investments [Line Items]
Cost	[8]	17,495
Fair value	[8]	17,361
Jackmont Hospitality, Inc.
Schedule of Investments [Line Items]
Cost		2,200	[8]	2,414	[9]
Fair value		2,603	[8]	2,414	[9]
Joerns Healthcare, LLC
Schedule of Investments [Line Items]
Cost		10,259	[14]	9,422	[15]
Fair value		3,055	[14]	4,662	[15]
JTI Electrical & Mechanical, LLC
Schedule of Investments [Line Items]
Cost		38,329	[8]	38,656	[9]
Fair value		39,518	[8]	38,656	[9]
KMS, LLC
Schedule of Investments [Line Items]
Cost	[8]	8,428
Fair value	[8]	8,115
LL Management, Inc.
Schedule of Investments [Line Items]
Cost	[8]	28,001
Fair value	[8]	28,145
Mac Lean-Fogg Company
Schedule of Investments [Line Items]
Cost		18,865	[8]	18,915	[9]
Fair value		18,705	[8]	19,000	[9]
Mako Steel, LP
Schedule of Investments [Line Items]
Cost	[8]	16,706
Fair value	[8]	16,377
MB2 Dental Solutions, LLC
Schedule of Investments [Line Items]
Cost	[14]	14,556
Fair value	[14]	14,597
Microbe Formulas, LLC
Schedule of Investments [Line Items]
Cost	[8]	27,052
Fair value	[8]	25,599
MonitorUS Holding, LLC
Schedule of Investments [Line Items]
Cost	[8],[11],[16]	27,463
Fair value	[8],[11],[16]	27,306
NinjaTrader, LLC
Schedule of Investments [Line Items]
Cost	[8]	21,342
Fair value	[8]	21,623
NWN Corporation
Schedule of Investments [Line Items]
Cost	[8]	43,846
Fair value	[8]	42,000
Paragon Healthcare, Inc.
Schedule of Investments [Line Items]
Cost	[8]	19,237
Fair value	[8]	18,753
Project Eagle Holdings, LLC
Schedule of Investments [Line Items]
Cost	[8]	29,063
Fair value	[8]	28,811
PTL US Bidco, Inc
Schedule of Investments [Line Items]
Cost	[8]	27,890
Fair value	[8]	27,890
RA Outdoors LLC
Schedule of Investments [Line Items]
Cost	[8]	13,219
Fair value	[8]	12,240
RM Bidder, LLC
Schedule of Investments [Line Items]
Cost		471	[8]	471	[9]
Fair value		24	[8]	26	[9]
Roof Opco, LLC
Schedule of Investments [Line Items]
Cost	[8]	5,398
Fair value	[8]	5,345
RTIC Subsidiary Holdings, LLC
Schedule of Investments [Line Items]
Cost	[8]	19,222
Fair value	[8]	18,479
Rug Doctor, LLC.
Schedule of Investments [Line Items]
Cost	[8]	13,792
Fair value	[8]	12,495
Salient Partners L.P.
Schedule of Investments [Line Items]
Cost		7,500	[14]	7,497	[15]
Fair value		7,533	[14]	6,498	[15]
SIB Holdings, LLC
Schedule of Investments [Line Items]
Cost		9,771	[8]	6,334	[9]
Fair value		9,187	[8]	6,345	[9]
South Coast Terminals Holdings, LLC
Schedule of Investments [Line Items]
Cost		41,453	[8]	50,453	[9]
Fair value		41,765	[8]	50,453	[9]
SPAU Holdings, LLC
Schedule of Investments [Line Items]
Cost	[8]	16,242
Fair value	[8]	16,242
Student Resource Center, LLC
Schedule of Investments [Line Items]
Cost	[8]	10,416
Fair value	[8]	6,416
Veregy Consolidated, Inc.
Schedule of Investments [Line Items]
Cost		16,680	[14]	19,635	[15]
Fair value		16,160	[14]	20,036	[15]
VORTEQ Coil Finishers, LLC
Schedule of Investments [Line Items]
Cost		26,087	[8]	26,488	[9]
Fair value		28,485	[8]	26,488	[9]
Wall Street Prep, Inc.
Schedule of Investments [Line Items]
Cost		4,617	[8]	4,688	[9]
Fair value		4,376	[8]	4,685	[9]
Watterson Brands, LLC
Schedule of Investments [Line Items]
Cost	[8]	29,259
Fair value	[8]	28,794
West Star Aviation Acquisition, LLC
Schedule of Investments [Line Items]
Cost	[8]	12,119
Fair value	[8]	11,893
Winter Services LLC
Schedule of Investments [Line Items]
Cost	[8]	9,780
Fair value	[8]	9,665
Xenon Arc, Inc.
Schedule of Investments [Line Items]
Cost	[8]	37,316
Fair value	[8]	36,501
Zips Car Wash, LLC
Schedule of Investments [Line Items]
Cost	[8]	21,583
Fair value	[8]	21,573
AFG Capital Group, LLC
Schedule of Investments [Line Items]
Cost				1,344
Fair value				7,884
L.F. Manufacturing Holdings, LLC
Schedule of Investments [Line Items]
Cost				2,126
Fair value				2,664
Binswanger Enterprises, LLC
Schedule of Investments [Line Items]
Cost	[9]			13,157
Fair value	[9]			12,924
Darr Equipment LP
Schedule of Investments [Line Items]
Cost	[9]			5,159
Fair value	[9]			4,387
Grupo Hima San Pablo, Inc.
Schedule of Investments [Line Items]
Cost	[15]			6,691
Fair value	[15]			1,465
PT Network, LLC
Schedule of Investments [Line Items]
Cost	[9]			8,889
Fair value	[9]			8,969
Control investments
Schedule of Investments [Line Items]
Cost	[17]	1,199,446	[5]	1,107,597	[3]
Fair value	[17]	$ 1,599,429	[7]	$ 1,489,257	[6]
Investment owned, percent of net assets		80.80%		83.30%
Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 576,047	[5]	$ 578,539	[3],[18]
Fair value		$ 552,581	[7]	$ 549,214	[6],[18]
Investment owned, percent of net assets		27.90%		30.70%
Non‑Control/Non‑Affiliate investments
Schedule of Investments [Line Items]
Cost		$ 1,914,134		$ 1,573,110	[3],[19]	1,914,134	[5]
Fair value		$ 1,821,480		$ 1,523,360	[6],[19]	$ 1,821,480	[7]
Investment owned, percent of net assets		92.00%		85.20%
Investment, Identifier [Axis]: Dalton US Inc., Common Stock August 16, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8]	201
Cost	[8]	$ 201
Fair value	[8]	$ 201
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt One August 16, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.13%
Interest, variable rate	[8],[20],[21]	8.00%
Principal	[8],[20],[21]	$ 763
Cost	[8],[20],[21]	530
Fair value	[8],[20],[21]	$ 530
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt Three August 16, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.31%
Interest, variable rate	[8],[20],[21]	8.00%
Principal	[8],[20],[21]	$ 14,389
Cost	[8],[20],[21]	14,111
Fair value	[8],[20],[21]	$ 14,111
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt Two August 16, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	8.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(78)
Fair value	[8],[20],[21],[22]	$ (78)
Investment, Identifier [Axis]: Salient Partners L.P., Secured Debt September 30,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.00%
Interest, variable rate	[15],[23]			5.00%
Principal	[15],[23]			$ 1,250
Cost	[15],[23]			1,250
Fair value	[15],[23]			$ 2,435
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt November 19,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 10,278
Cost	[9],[23]			10,018
Fair value	[9],[23]			$ 10,061
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock December 11, 2020
Schedule of Investments [Line Items]
Units (in shares)	[14]	593,928
Cost	[14]	$ 3,148
Fair value	[14]	$ 75
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock December 11,2020
Schedule of Investments [Line Items]
Units (in shares)	[15]			593,928
Cost	[15]			$ 3,148
Fair value	[15]			$ 2,079
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt December 11, 2020
Schedule of Investments [Line Items]
Interest rate	[14]	18.00%
PIK Rate	[14]	18.00%
Principal	[14]	$ 11,200
Cost	[14]	11,051
Fair value	[14]	$ 10,976
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt December 11,2020
Schedule of Investments [Line Items]
Interest rate	[15]			18.00%
PIK Rate	[15]			8.00%
Principal	[15]			$ 10,202
Cost	[15]			10,011
Fair value	[15]			$ 9,794
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants December 11, 2020
Schedule of Investments [Line Items]
Units (in shares)	[14],[24]	554,353
Cost	[14],[24]	$ 0
Fair value	[14],[24]	$ 75
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants December 11,2020
Schedule of Investments [Line Items]
Units (in shares)	[15],[25]			554,353
Cost	[15],[25]			$ 0
Fair value	[15],[25]			$ 1,940
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt One September 06, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(41)
Fair value	[8],[20],[21],[22]	$ (41)
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt Three September 06, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.17%
Interest, variable rate	[8],[20],[21]	6.00%
Principal	[8],[20],[21]	$ 17,052
Cost	[8],[20],[21]	16,582
Fair value	[8],[20],[21]	$ 16,582
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt Two September 06, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(82)
Fair value	[8],[20],[21],[22]	$ (82)
Investment, Identifier [Axis]: ADS Tactical, Inc. Secured Debt March 29, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	8.80%
Interest, variable rate	[14],[21]	5.75%
Principal	[14],[21]	$ 21,286
Cost	[14],[21]	20,964
Fair value	[14],[21]	$ 19,676
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt March 29,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.75%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 22,136
Cost	[15],[23]			21,734
Fair value	[15],[23]			$ 22,012
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units November 07, 2014
Schedule of Investments [Line Items]
Units (in shares)	[26]	186
Cost	[26]	$ 1,200
Fair value	[26]	$ 8,780
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units November 07,2014
Schedule of Investments [Line Items]
Units (in shares)	[27]			186
Cost	[27]			$ 1,200
Fair value	[27]			$ 7,740
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt April 25,2019
Schedule of Investments [Line Items]
Interest rate				10.00%
Principal				$ 144
Cost				144
Fair value				$ 144
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock August 31, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8]	235
Cost	[8]	$ 1,734
Fair value	[8]	$ 1,734
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt One August 31, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	7.40%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(144)
Fair value	[8],[20],[21],[22]	$ (144)
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt Two August 31, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.84%
Interest, variable rate	[8],[20],[21]	7.40%
Principal	[8],[20],[21]	$ 37,545
Cost	[8],[20],[21]	36,830
Fair value	[8],[20],[21]	$ 36,830
Investment, Identifier [Axis]: ASC Interests, LLC, Member Units August 1,2013
Schedule of Investments [Line Items]
Units (in shares)		1,500		1,500
Cost		$ 1,500		$ 1,500
Fair value		$ 800		$ 720
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt August 1,2013
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 1,650
Cost				1,636
Fair value				$ 1,636
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt December 31,2019
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 200
Cost				200
Fair value				$ 200
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt One December 31,2019
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 300
Cost		300
Fair value		$ 300
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt Two August 1,2013
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 1,650
Cost		1,648
Fair value		$ 1,648
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock January 18,2022.
Schedule of Investments [Line Items]
Units (in shares)	[8]	720,000
Cost	[8]	$ 720
Fair value	[8]	$ 720
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt One January 18,2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.50%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	0
Fair value	[8],[20],[21],[22]	$ 0
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt Three January 18,2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.84%
Interest, variable rate	[8],[20],[21]	7.50%
Principal	[8],[20],[21]	$ 6,660
Cost	[8],[20],[21]	6,660
Fair value	[8],[20],[21]	$ 6,384
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt Two January 18,2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	7.84%
Interest, variable rate	[8],[20],[21]	5.50%
Principal	[8],[20],[21]	$ 6,660
Cost	[8],[20],[21]	6,660
Fair value	[8],[20],[21]	$ 6,360
Investment, Identifier [Axis]: ATS Workholding, LLC, Preferred Member Units November 16,2017
Schedule of Investments [Line Items]
Units (in shares)		3,725,862	[8]	3,725,862	[9]
Cost		$ 3,726	[8]	$ 3,726	[9]
Fair value		$ 0	[8]	$ 0	[9]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt November 16,2017
Schedule of Investments [Line Items]
Interest rate	[9],[28]			5.00%
Principal	[9],[28]			$ 4,794
Cost	[9],[28]			4,635
Fair value	[9],[28]			$ 3,005
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt One November 16,2017
Schedule of Investments [Line Items]
Interest rate	[8],[29]	5.00%
Principal	[8],[29]	$ 1,859
Cost	[8],[29]	1,859
Fair value	[8],[29]	$ 800
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt Two November 16,2017
Schedule of Investments [Line Items]
Interest rate	[8],[29]	5.00%
Principal	[8],[29]	$ 3,015
Cost	[8],[29]	2,857
Fair value	[8],[29]	$ 1,298
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock September 01, 2021
Schedule of Investments [Line Items]
Units (in shares)	[14]	583
Cost	[14]	$ 0
Fair value	[14]	$ 0
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock September 01,2021
Schedule of Investments [Line Items]
Units (in shares)	[15]			583
Cost	[15]			$ 0
Fair value	[15]			$ 0
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt September 01, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	11.14%
Interest, variable rate	[14],[21]	7.50%
Principal	[14],[21]	$ 6,879
Cost	[14],[21]	6,304
Fair value	[14],[21]	$ 6,707
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt September 01,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			8.50%
Interest, variable rate	[15],[23]			7.50%
Principal	[15],[23]			$ 7,667
Cost	[15],[23]			7,092
Fair value	[15],[23]			$ 7,092
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt September 01, 2021
Schedule of Investments [Line Items]
Interest rate	[14]	10.00%
PIK Rate	[14]	10.00%
Principal	[14]	$ 3,309
Cost	[14]	2,205
Fair value	[14]	$ 2,465
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt September 01,2021
Schedule of Investments [Line Items]
Interest rate	[15]			10.00%
PIK Rate	[15]			10.00%
Principal	[15]			$ 3,067
Cost	[15]			1,963
Fair value	[15]			$ 1,963
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity December 15,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			360
Cost	[9]			$ 360
Fair value	[9]			$ 360
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity Two December 15, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	360
Cost	[8]	$ 360
Fair value	[8]	$ 258
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt December 15,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.50%
Interest, variable rate	[9],[23]			6.50%
Principal	[9],[23]			$ 13,320
Cost	[9],[23]			13,005
Fair value	[9],[23]			$ 13,005
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt One December 15, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.32%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 720
Cost	[8],[21]	659
Fair value	[8],[21]	$ 679
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt Two December 15, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.29%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 12,148
Cost	[8],[21]	11,944
Fair value	[8],[21]	$ 11,452
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt May 26,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			14.00%
Interest, variable rate	[9],[23]			12.50%
Principal	[9],[23]			$ 850
Cost	[9],[23]			841
Fair value	[9],[23]			$ 850
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt November 02,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			10.00%
Interest, variable rate	[9],[23]			8.50%
Principal	[9],[23]			$ 12,111
Cost	[9],[23]			12,005
Fair value	[9],[23]			$ 12,111
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt One November 02, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.78%
Interest, variable rate	[8],[21]	8.50%
Principal	[8],[21]	$ 1,678
Cost	[8],[21]	1,668
Fair value	[8],[21]	$ 1,664
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt Two November 02, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.00%
Interest, variable rate	[8],[21]	8.50%
Principal	[8],[21]	$ 10,027
Cost	[8],[21]	9,954
Fair value	[8],[21]	$ 9,944
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt Two May 26 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	14.78%
Interest, variable rate	[8],[21]	12.50%
Principal	[8],[21]	$ 817
Cost	[8],[21]	811
Fair value	[8],[21]	$ 817
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt One June 28, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	12.02%
Interest, variable rate	[8],[21]	9.50%
Principal	[8],[21]	$ 13,831
Cost	[8],[21]	13,488
Fair value	[8],[21]	$ 13,711
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt Two June 28, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	12.02%
Interest, variable rate	[8],[21]	9.50%
Principal	[8],[21]	$ 4,368
Cost	[8],[21]	4,265
Fair value	[8],[21]	$ 4,330
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt One March 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	12.75%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 3,547
Cost	[8],[21]	3,547
Fair value	[8],[21]	$ 3,418
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt Two March 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.75%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 24,305
Cost	[8],[21]	24,245
Fair value	[8],[21]	$ 23,788
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt November 19,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.00%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 7,067
Cost	[9],[23]			6,988
Fair value	[9],[23]			$ 6,988
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt One November 19, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	7.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(11)
Fair value	[8],[21],[22]	$ (11)
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt Two November 19, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.01%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 6,633
Cost	[8],[21]	6,578
Fair value	[8],[21]	$ 6,633
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt December 21,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.00%
Interest, variable rate	[9],[23]			8.00%
Principal	[9],[23]			$ 12,017
Cost	[9],[23]			11,854
Fair value	[9],[23]			$ 12,017
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt Two March 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	10.98%
Interest, variable rate	[8],[20],[21]	8.75%
Principal	[8],[20],[21]	$ 15,667
Cost	[8],[20],[21]	15,430
Fair value	[8],[20],[21]	$ 15,307
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt one March 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.98%
Interest, variable rate	[8],[20],[21]	6.75%
Principal	[8],[20],[21]	$ 15,667
Cost	[8],[20],[21]	15,430
Fair value	[8],[20],[21]	$ 15,287
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt May 19,2016
Schedule of Investments [Line Items]
Interest rate	[15],[23],[28]			7.50%
Interest, variable rate	[15],[23],[28]			6.50%
Principal	[15],[23],[28]			$ 14,370
Cost	[15],[23],[28]			13,706
Fair value	[15],[23],[28]			$ 431
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt One, May 19, 2016
Schedule of Investments [Line Items]
Interest rate	[14],[21],[29]	7.50%
Interest, variable rate	[14],[21],[29]	6.50%
Principal	[14],[21],[29]	$ 14,370
Cost	[14],[21],[29]	13,706
Fair value	[14],[21],[29]	$ 808
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt September 17, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[29]	7.50%
Interest, variable rate	[14],[29]	6.50%
Principal	[14],[29]	$ 2,980
Cost	[14],[29]	2,980
Fair value	[14],[29]	$ 168
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt September 17,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23],[28],[30]			7.50%
Interest, variable rate	[15],[23],[28],[30]			6.50%
Principal	[15],[23],[28],[30]			$ 2,980
Cost	[15],[23],[28],[30]			2,980
Fair value	[15],[23],[28],[30]			$ 89
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC , Warrants August 16,2019
Schedule of Investments [Line Items]
Units (in shares)	[25]			420
Cost	[25]			$ 316
Fair value	[25]			$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units August 16,2019
Schedule of Investments [Line Items]
Units (in shares)				3,200
Cost				$ 3,200
Fair value				$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units May 20,2021
Schedule of Investments [Line Items]
Units (in shares)				2,427
Cost				$ 2,427
Fair value				$ 4,894
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units One August 16, 2019
Schedule of Investments [Line Items]
Units (in shares)		3,200
Interest rate		12.63%
Cost		$ 3,200
Fair value		$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units Two May 20,2021
Schedule of Investments [Line Items]
Units (in shares)		2,427
Cost		$ 2,427
Fair value		$ 3,844
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt One August 16,2019
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	10.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	(3)
Fair value	[21],[22]	$ (3)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt August 16,2019
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			10.00%
Principal	[23]			$ 4,945
Cost	[23]			4,736
Fair value	[23]			$ 4,736
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt Two August 16, 2019
Schedule of Investments [Line Items]
Interest rate	[21]	12.63%
Interest, variable rate	[21]	10.00%
Principal	[21]	$ 4,735
Cost	[21]	4,595
Fair value	[21]	$ 4,595
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants August 16,2019
Schedule of Investments [Line Items]
Units (in shares)	[24]	420
Cost	[24]	$ 316
Fair value	[24]	$ 0
Investment, Identifier [Axis]: ArborWorks, LLC Common Equity November 09, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	234
Cost	[8]	$ 234
Fair value	[8]	$ 14
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity November 09,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			234
Cost	[9]			$ 234
Fair value	[9]			$ 234
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt November 09,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 32,605
Cost	[9],[23]			31,873
Fair value	[9],[23]			$ 31,873
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt One November 09, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.97%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 4,678
Cost	[8],[21]	4,562
Fair value	[8],[21]	$ 4,131
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt Two November 09, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.87%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 29,722
Cost	[8],[21]	29,231
Fair value	[8],[21]	$ 26,245
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt One August 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.65%
Interest, variable rate	[8],[20],[21]	6.50%
Principal	[8],[20],[21]	$ 800
Cost	[8],[20],[21]	660
Fair value	[8],[20],[21]	$ 660
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt Two August 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.91%
Interest, variable rate	[8],[20],[21]	6.50%
Principal	[8],[20],[21]	$ 67,597
Cost	[8],[20],[21]	66,281
Fair value	[8],[20],[21]	$ 66,281
Investment, Identifier [Axis]: Archer Systems, LLC., Common Stock August 11, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,387,832
Cost	[8]	$ 1,388
Fair value	[8]	$ 1,388
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21],[31]	11.96%
Interest, variable rate	[8],[21],[31]	5.61%
Principal	[8],[21],[31]	$ 36,000
Cost	[8],[21],[31]	35,715
Fair value	[8],[21],[31]	$ 36,000
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt December 21,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23],[32]			9.18%
Interest, variable rate	[9],[23],[32]			7.93%
Principal	[9],[23],[32]			$ 22,500
Cost	[9],[23],[32]			22,300
Fair value	[9],[23],[32]			$ 22,500
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units April 08, 2016
Schedule of Investments [Line Items]
Units (in shares)		800,000
Cost		$ 800
Fair value		$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units April 08,2016
Schedule of Investments [Line Items]
Units (in shares)				800,000
Cost				$ 800
Fair value				$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting) December 17, 2018
Schedule of Investments [Line Items]
Interest rate		15.00%
PIK Rate		15.00%
Cost		$ 162
Fair value		$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting) December 17,2018
Schedule of Investments [Line Items]
Interest rate	[27]			15.00%
PIK Rate	[27]			15.00%
Cost	[27]			$ 162
Fair value	[27]			$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt April 08,2016
Schedule of Investments [Line Items]
Interest rate	[23],[30]			12.00%
Interest, variable rate	[23],[30]			11.00%
Principal	[23],[30]			$ 4,800
Cost	[23],[30]			4,800
Fair value	[23],[30]			$ 2,508
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt One April 08, 2016
Schedule of Investments [Line Items]
Interest rate	[21],[33]	13.56%
Interest, variable rate	[21],[33]	11.00%
Principal	[21],[33]	$ 800
Cost	[21],[33]	800
Fair value	[21],[33]	$ 800
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt Two April 08, 2016
Schedule of Investments [Line Items]
Interest rate	[21],[33]	13.56%
Interest, variable rate	[21],[33]	11.00%
Principal	[21],[33]	$ 4,000
Cost	[21],[33]	4,000
Fair value	[21],[33]	$ 1,498
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units October 26, 2020
Schedule of Investments [Line Items]
Units (in shares)	[8]	37
Cost	[8]	$ 1,584
Fair value	[8]	$ 3,320
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units October 26,2020
Schedule of Investments [Line Items]
Units (in shares)	[9]			37
Cost	[9]			$ 1,584
Fair value	[9]			$ 1,930
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt October 15, 2020
Schedule of Investments [Line Items]
Interest rate	[8]	7.00%
Principal	[8]	$ 711
Cost	[8]	711
Fair value	[8]	$ 711
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt October 15,2020
Schedule of Investments [Line Items]
Interest rate	[9]			7.00%
Principal	[9]			$ 711
Cost	[9]			711
Fair value	[9]			$ 711
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock March 7,2022
Schedule of Investments [Line Items]
Units (in shares)		4,073
Cost		$ 4,095
Fair value		4,095
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt One March 7,2022
Schedule of Investments [Line Items]
Principal	[22]	0
Cost	[22]	(8)
Fair value	[22]	$ (8)
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt Three March 7,2022
Schedule of Investments [Line Items]
Interest rate		11.00%
Principal		$ 11,025
Cost		10,927
Fair value		$ 10,927
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units July 06,2018
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			1,548,387
Interest rate	[9],[34]			8.00%
PIK Rate	[9],[34]			8.00%
Cost	[9],[34]			$ 1,671
Fair value	[9],[34]			$ 2,487
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units November 12,2019
Schedule of Investments [Line Items]
Units (in shares)	[9],[27],[34]			122,416
Interest rate	[9],[27],[34]			16.00%
PIK Rate	[9],[27],[34]			16.00%
Cost	[9],[27],[34]			$ 168
Fair value	[9],[27],[34]			$ 208
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units One July 06, 2018
Schedule of Investments [Line Items]
Units (in shares)	[8],[26],[35]	1,548,387
Interest rate	[8],[26],[35]	8.00%
PIK Rate	[8],[26],[35]	8.00%
Cost	[8],[26],[35]	$ 2,147
Fair value	[8],[26],[35]	$ 4,607
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units Two November 12, 2019
Schedule of Investments [Line Items]
Units (in shares)	[8],[26],[35]	122,416
Interest rate	[8],[26],[35]	16.00%
PIK Rate	[8],[26],[35]	16.00%
Cost	[8],[26],[35]	$ 188
Fair value	[8],[26],[35]	$ 378
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt July 06, 2018
Schedule of Investments [Line Items]
Interest rate	[8]	12.00%
Interest, variable rate	[8]	10.50%
PIK Rate	[8]	1.50%
Principal	[8]	$ 194
Cost	[8]	194
Fair value	[8]	$ 194
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt July 06,2018
Schedule of Investments [Line Items]
Interest rate	[9]			12.00%
PIK Rate	[9]			1.50%
Principal	[9]			$ 4,694
Cost	[9]			4,674
Fair value	[9]			$ 4,694
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt One June 30, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(79)
Fair value	[8],[20],[21],[22]	$ (79)
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt Two June 30, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.78%
Interest, variable rate	[8],[20],[21]	6.75%
PIK Rate	[8],[20],[21]	5.75%
Principal	[8],[20],[21]	$ 26,965
Cost	[8],[20],[21]	26,458
Fair value	[8],[20],[21]	$ 26,965
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units March 10, 2017
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,050,000
Cost	[8]	$ 1,050
Fair value	[8]	$ 560
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units March 10,2017
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,050,000
Cost	[9]			$ 1,050
Fair value	[9]			$ 730
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Secured Debt March 10,2017
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.50%
Interest, variable rate	[9],[23]			8.50%
Principal	[9],[23]			$ 12,194
Cost	[9],[23]			12,107
Fair value	[9],[23]			$ 12,194
Investment, Identifier [Axis]: Bluestem Brands, Inc, Secured Debt August 28, 2020
Schedule of Investments [Line Items]
Interest rate	[14],[21]	11.29%
Interest, variable rate	[14],[21]	8.50%
Principal	[14],[21]	$ 6,303
Cost	[14],[21]	6,303
Fair value	[14],[21]	$ 6,193
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock October 01,2020
Schedule of Investments [Line Items]
Units (in shares)	[15],[27]			723,184
Cost	[15],[27]			$ 1
Fair value	[15],[27]			$ 1,515
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt August 28,2020
Schedule of Investments [Line Items]
Interest rate	[15],[23]			10.00%
Interest, variable rate	[15],[23]			8.50%
Principal	[15],[23]			$ 5,357
Cost	[15],[23]			5,357
Fair value	[15],[23]			$ 5,337
Investment, Identifier [Axis]: Bluestem Brands, Inc.., Common Stock October 01, 2020
Schedule of Investments [Line Items]
Units (in shares)	[14],[26]	723,184
Cost	[14],[26]	$ 1
Fair value	[14],[26]	$ 5,445
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units June 30, 2017
Schedule of Investments [Line Items]
Units (in shares)	[26]	2,160,000
Cost	[26]	$ 2,256
Fair value	[26]	$ 3,320
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units June 30,2017
Schedule of Investments [Line Items]
Units (in shares)	[27]			2,160,000
Cost	[27]			$ 2,256
Fair value	[27]			$ 4,830
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt September 23, 2021
Schedule of Investments [Line Items]
Interest rate		10.00%
Principal		$ 320
Cost		320
Fair value		$ 320
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt September 23,2021
Schedule of Investments [Line Items]
Interest rate				10.00%
Principal				$ 320
Cost				320
Fair value				$ 320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class A Preferred Member Units December 31,2020
Schedule of Investments [Line Items]
Interest rate	[27]			14.00%
Cost	[27]			$ 10,194
Fair value	[27]			$ 10,194
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units December 31,2020
Schedule of Investments [Line Items]
Units (in shares)		140,000	[26]	140,000	[27]
Interest rate		8.00%	[26]	8.00%	[27]
Cost		$ 14,000	[26]	$ 14,000	[27]
Fair value		$ 27,010	[26]	$ 23,170	[27]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt December 31,2020
Schedule of Investments [Line Items]
Interest rate	[23]			10.50%
Interest, variable rate	[23]			9.00%
Principal	[23]			$ 39,000
Cost	[23]			38,687
Fair value	[23]			$ 39,000
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt One December 31,2020
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	8.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt Two December 31,2020
Schedule of Investments [Line Items]
Interest rate	[21]	12.63%
Interest, variable rate	[21]	10.00%
Principal	[21]	$ 99,194
Cost	[21]	98,615
Fair value	[21]	$ 99,194
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt August 12,2014
Schedule of Investments [Line Items]
Interest rate	[9],[23],[28],[30]			12.50%
Interest, variable rate	[9],[23],[28],[30]			9.25%
Principal	[9],[23],[28],[30]			$ 7,817
Cost	[9],[23],[28],[30]			7,817
Fair value	[9],[23],[28],[30]			$ 4,201
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt One August 12, 2014
Schedule of Investments [Line Items]
Interest rate	[8],[21],[29],[33]	12.50%
Interest, variable rate	[8],[21],[29],[33]	9.25%
Principal	[8],[21],[29],[33]	$ 761
Cost	[8],[21],[29],[33]	761
Fair value	[8],[21],[29],[33]	$ 761
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt Two August 12, 2014
Schedule of Investments [Line Items]
Interest rate	[8],[21],[29],[33]	12.50%
Interest, variable rate	[8],[21],[29],[33]	9.25%
Principal	[8],[21],[29],[33]	$ 7,056
Cost	[8],[21],[29],[33]	7,056
Fair value	[8],[21],[29],[33]	$ 3,440
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units January 09,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			2,950
Cost	[27]			$ 4,280
Fair value	[27]			$ 7,710
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units January 9, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	2,950
Cost	[26]	$ 4,280
Fair value	[26]	$ 5,670
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt January 09,2018
Schedule of Investments [Line Items]
Interest rate	[23]			11.00%
Interest, variable rate	[23]			10.00%
Principal	[23]			$ 8,060
Cost	[23]			8,037
Fair value	[23]			$ 8,037
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt January 9, 2018
Schedule of Investments [Line Items]
Interest rate	[21]	12.56%
Interest, variable rate		10.00%
Principal	[21]	$ 6,088
Cost	[21]	6,084
Fair value	[21]	$ 6,084
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units July 25, 2016
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	17,742
Cost	[26],[35]	$ 1,000
Fair value	[26],[35]	$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units July 25,2016
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			17,742
Cost	[27],[34]			$ 1,000
Fair value	[27],[34]			$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt July 25, 2016
Schedule of Investments [Line Items]
Interest rate	[34]			13.00%
Principal	[34]			$ 1,000
Cost	[34]			1,000
Fair value	[34]			$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt July 25,2016
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 8,813
Cost				8,813
Fair value				$ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt One July 25, 2016
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 8,813
Cost		8,813
Fair value		$ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt Two July 25, 2016
Schedule of Investments [Line Items]
Interest rate	[35]	13.00%
Principal	[35]	$ 1,000
Cost	[35]	1,000
Fair value	[35]	$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants July 25, 2016
Schedule of Investments [Line Items]
Units (in shares)	[24]	82
Cost	[24]	$ 2,132
Fair value	[24]	$ 4,260
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants July 25,2016
Schedule of Investments [Line Items]
Units (in shares)	[25]			82
Cost	[25]			$ 2,132
Fair value	[25]			$ 4,060
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP) July 21, 2014
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	1.55%
Cost	[10],[11],[26],[36]	$ 7,062
Fair value	[10],[11],[26],[36]	$ 4,564
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP) July 21,2014
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			1.60%
Cost	[12],[13],[27],[37]			$ 7,200
Fair value	[12],[13],[27],[37]			$ 4,269
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP) November 26, 2016
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.59%
Cost	[10],[11],[26],[36]	$ 4,350
Fair value	[10],[11],[26],[36]	$ 4,477
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP) October 26,2016
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			0.60%
Cost	[12],[13],[27],[37]			$ 4,350
Fair value	[12],[13],[27],[37]			$ 4,394
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP) July 12, 2021
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	1.31%
Cost	[10],[11],[36]	$ 2,000
Fair value	[10],[11],[36]	$ 2,139
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP) July 12,2021
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			15.80%
Cost	[12],[13],[37]			$ 1,000
Fair value	[12],[13],[37]			$ 1,000
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units June 30, 2015
Schedule of Investments [Line Items]
Units (in shares)		6
Interest rate		6.00%
PIK Rate		6.00%
Cost		$ 4,770
Fair value		$ 0
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units June 30,2015
Schedule of Investments [Line Items]
Units (in shares)				6
Interest rate				6.00%
PIK Rate				6.00%
Cost				$ 4,770
Fair value				$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt June 30, 2015
Schedule of Investments [Line Items]
Interest rate		9.00%
Principal		$ 17,525
Cost		17,525
Fair value		$ 14,006
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt June 30,2015
Schedule of Investments [Line Items]
Interest rate	[23],[30]			10.25%
Interest, variable rate	[23],[30]			9.25%
Principal	[23],[30]			$ 19,491
Cost	[23],[30]			19,491
Fair value	[23],[30]			$ 14,370
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt June 14,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.00%
Interest, variable rate	[9],[23]			5.00%
Principal	[9],[23]			$ 465
Cost	[9],[23]			429
Fair value	[9],[23]			$ 429
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt One June 14, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	7.52%
Interest, variable rate	[8],[21]	5.00%
Principal	[8],[21]	$ 620
Cost	[8],[21]	590
Fair value	[8],[21]	$ 620
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt One June 14,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.00%
Interest, variable rate	[9],[23]			5.00%
Principal	[9],[23]			$ 20,134
Cost	[9],[23]			19,803
Fair value	[9],[23]			$ 19,985
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt Two June 14, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	7.52%
Interest, variable rate	[8],[21]	5.00%
Principal	[8],[21]	$ 19,933
Cost	[8],[21]	19,643
Fair value	[8],[21]	$ 19,933
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity One December 13,2021
Schedule of Investments [Line Items]
Units (in shares)				1,788,527
Cost				$ 1,789
Fair value				$ 1,789
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity Two December 13,2021
Schedule of Investments [Line Items]
Units (in shares)				596,176
Cost				$ 0
Fair value				$ 0
Investment, Identifier [Axis]: CAI Software LLC., Preferred Equity One December 13, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,788,527
Cost	[26]	$ 1,789
Fair value	[26]	$ 1,789
Investment, Identifier [Axis]: CAI Software LLC., Preferred Equity Two December 13, 2021
Schedule of Investments [Line Items]
Units (in shares)		596,176
Cost		$ 0
Fair value		$ 0
Investment, Identifier [Axis]: CBT Nuggets, LLC, Member Units June 01,2006
Schedule of Investments [Line Items]
Units (in shares)	[27]			416
Cost	[27]			$ 1,300
Fair value	[27]			$ 50,620
Investment, Identifier [Axis]: CBT Nuggets, LLC, Member Units June 1, 2006
Schedule of Investments [Line Items]
Units (in shares)	[26]	416
Cost	[26]	$ 1,300
Fair value	[26]	$ 48,250
Investment, Identifier [Axis]: CMS Minerals Investments Member Units April 1, 2016
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	100
Cost	[26],[35]	$ 1,423
Fair value	[26],[35]	$ 1,890
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units April 01,2016
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			100
Cost	[27],[34]			$ 1,838
Fair value	[27],[34]			$ 1,974
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14, 2017
Schedule of Investments [Line Items]
Interest rate	[8],[21],[38]	11.31%
Interest, variable rate	[8],[21],[38]	8.50%
PIK Rate	[8],[21],[38]	0.13%
Principal	[8],[21],[38]	$ 28,385
Cost	[8],[21],[38]	28,302
Fair value	[8],[21],[38]	$ 28,352
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14, 2017
Schedule of Investments [Line Items]
PIK Rate		2.00%
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt November 14,2017
Schedule of Investments [Line Items]
Interest rate	[9],[39]			9.28%
PIK Rate	[9],[39]			0.22%
Principal	[9],[39]			$ 28,540
Cost	[9],[39]			28,399
Fair value	[9],[39]			$ 26,767
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units June 9, 2006
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,233
Cost	[26]	$ 1,742
Fair value	[26]	$ 2,370
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units June 09,2006
Schedule of Investments [Line Items]
Units (in shares)	[27]			1,233
Cost	[27]			$ 1,742
Fair value	[27]			$ 2,570
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units July 31,2019
Schedule of Investments [Line Items]
Units (in shares)	[27]			6,725
Interest rate	[27]			15.00%
PIK Rate	[27]			15.00%
Cost	[27]			$ 9,510
Fair value	[27]			$ 9,510
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units March 30,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			6,157
Cost	[27]			$ 10,775
Fair value	[27]			$ 13,275
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units One March 30, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	6,157
Cost	[26]	$ 10,775
Fair value	[26]	$ 21,025
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units Two March 30,2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	3,671
Interest rate	[26]	15.00%
PIK Rate	[26]	15.00%
Cost	[26]	$ 3,853
Fair value	[26]	$ 3,853
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt March 30,2018
Schedule of Investments [Line Items]
Interest rate		12.38%	[21]	11.00%	[23]
Interest, variable rate		10.00%	[21]	10.00%	[23]
Principal		$ 28,000	[21]	$ 28,000	[23]
Cost		27,948	[21]	27,915	[23]
Fair value		$ 28,000	[21]	$ 27,915	[23]
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt June 14, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.62%
Interest, variable rate	[14],[21]	6.50%
Principal	[14],[21]	$ 15,258
Cost	[14],[21]	15,142
Fair value	[14],[21]	$ 14,724
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt June 14,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.50%
Interest, variable rate	[15],[23]			6.50%
Principal	[15],[23]			$ 15,920
Cost	[15],[23]			15,775
Fair value	[15],[23]			$ 15,840
Investment, Identifier [Axis]: Career Team Holdings, LLC, Class A Common Units December 17,2021
Schedule of Investments [Line Items]
Units (in shares)				450,000
Cost				$ 4,500
Fair value				$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock December 17, 2021
Schedule of Investments [Line Items]
Units (in shares)		450,000
Cost		$ 4,500
Fair value		$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt December 17,2021
Schedule of Investments [Line Items]
Interest rate				12.50%
Principal				$ 20,250
Cost				20,050
Fair value				$ 20,050
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt One December 17, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	6.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt Two December 17, 2021
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 20,250
Cost		20,080
Fair value		$ 20,080
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt One May 18, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	5.25%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(11)
Fair value	[8],[21],[22]	$ (11)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt Three May 18, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.26%
Interest, variable rate	[8],[21]	5.25%
Principal	[8],[21]	$ 6,133
Cost	[8],[21]	6,076
Fair value	[8],[21]	$ 5,999
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt Two May 18, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	5.25%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	0
Fair value	[8],[21],[22]	$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units January 04,2019
Schedule of Investments [Line Items]
Units (in shares)				12,696
Cost				$ 5,840
Fair value				$ 5,840
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units January 4, 2019
Schedule of Investments [Line Items]
Units (in shares)		13,309
Cost		$ 6,122
Fair value		$ 8,160
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt January 04,2019
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			10.00%
Principal	[23]			$ 9,416
Cost	[23]			9,370
Fair value	[23]			$ 8,864
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt One January 4, 2019
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	9.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt Two January 4, 2019
Schedule of Investments [Line Items]
Interest rate	[21]	11.63%
Interest, variable rate	[21]	9.00%
Principal	[21]	$ 15,030
Cost	[21]	14,947
Fair value	[21]	$ 14,947
Investment, Identifier [Axis]: Cenveo Corporation, Common Stock September 07,2018
Schedule of Investments [Line Items]
Units (in shares)	[15]			322,907
Cost	[15]			$ 6,183
Fair value	[15]			$ 2,852
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units February 26,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			4,347
Cost	[27]			$ 11,440
Fair value	[27]			$ 24,140
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units November 2, 2018
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			1,047,146
Cost	[27],[34]			$ 1,322
Fair value	[27],[34]			$ 1,540
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units One February 26, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	4,347
Cost	[26]	$ 11,440
Fair value	[26]	$ 22,330
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units Two November 2, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	1,047,146
Cost	[26],[35]	$ 1,773
Fair value	[26],[35]	$ 1,991
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt February 26,2018
Schedule of Investments [Line Items]
Interest rate	[23]			9.00%
Interest, variable rate	[23]			8.00%
Principal	[23]			$ 17,817
Cost	[23]			17,738
Fair value	[23]			$ 17,817
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt One February 26, 2018
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	6.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt Two February 26, 2018
Schedule of Investments [Line Items]
Interest rate	[21]	10.63%
Interest, variable rate	[21]	8.00%
Principal	[21]	$ 17,466
Cost	[21]	17,438
Fair value	[21]	$ 17,466
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units January 04, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,500,000
Cost	[8]	$ 1,500
Fair value	[8]	$ 970
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units January 04,2016
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,500,000
Cost	[9]			$ 1,500
Fair value	[9]			$ 460
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt One February 07, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.08%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 5,183
Cost	[8],[20],[21]	5,075
Fair value	[8],[20],[21]	$ 4,937
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt Two February 07, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21],[40]	7.70%
Interest, variable rate	[8],[20],[21],[40]	6.25%
Principal	[8],[20],[21],[40]	$ 39,155
Cost	[8],[20],[21],[40]	38,462
Fair value	[8],[20],[21],[40]	$ 37,299
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units February 03, 2017
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,829
Cost	[26]	$ 1,963
Fair value	[26]	$ 13,210
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units February 03,2017
Schedule of Investments [Line Items]
Units (in shares)	[27]			1,829
Cost	[27]			$ 1,963
Fair value	[27]			$ 13,990
Investment, Identifier [Axis]: Charps, LLC, Preferred Unsecured Debt August 26, 2020
Schedule of Investments [Line Items]
Interest rate		10.00%
Principal		$ 5,694
Cost		4,635
Fair value		$ 5,694
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt February 26,2018
Schedule of Investments [Line Items]
Interest rate				10.00%
Principal				$ 5,694
Cost				4,599
Fair value				$ 5,694
Investment, Identifier [Axis]: Chisholm Energy Holdings, LLC, Secured Debt May 15,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.75%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 2,857
Cost	[9],[23]			2,804
Fair value	[9],[23]			$ 2,663
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units One December 20, 2016
Schedule of Investments [Line Items]
Units (in shares)	[26]	717
Cost	[26]	$ 7,280
Fair value	[26]	$ 9,490
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units One December 20,2016
Schedule of Investments [Line Items]
Units (in shares)	[27]			717
Cost	[27]			$ 7,280
Fair value	[27]			$ 10,250
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units Two December 20,2016
Schedule of Investments [Line Items]
Units (in shares)		800	[35]	800	[34]
Cost		$ 210	[35]	$ 210	[34]
Fair value		$ 610	[35]	$ 530	[34]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt One December 20, 2016
Schedule of Investments [Line Items]
Interest rate	[21]	12.13%
Interest, variable rate	[21]	9.50%
Principal	[21]	$ 10,480
Cost	[21]	10,430
Fair value	[21]	$ 10,430
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt One December 20,2016
Schedule of Investments [Line Items]
Interest rate	[23]			10.50%
Interest, variable rate	[23]			9.50%
Principal	[23]			$ 10,480
Cost	[23]			10,401
Fair value	[23]			$ 10,401
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt Two December 20, 2016
Schedule of Investments [Line Items]
Interest rate		10.00%
Principal		$ 1,057
Cost		1,047
Fair value		$ 1,047
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt Two December 20,2016
Schedule of Investments [Line Items]
Interest rate				10.00%
Principal				$ 1,081
Cost				1,071
Fair value				$ 1,071
Investment, Identifier [Axis]: Clarius BIGS, LLC , Secured Debt September 23,2014
Schedule of Investments [Line Items]
Interest rate	[8],[29],[33]	15.00%
PIK Rate	[8],[29],[33]	15.00%
Principal	[8],[29],[33]	$ 2,729
Cost	[8],[29],[33]	2,729
Fair value	[8],[29],[33]	$ 10
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt September 23,2014
Schedule of Investments [Line Items]
Interest rate	[9],[28],[30]			15.00%
PIK Rate	[9],[28],[30]			15.00%
Principal	[9],[28],[30]			$ 2,756
Cost	[9],[28],[30]			2,756
Fair value	[9],[28],[30]			$ 33
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units March 12, 2020
Schedule of Investments [Line Items]
Units (in shares)	[26]	154
Cost	[26]	$ 5,760
Fair value	[26]	$ 23,790
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units March 12,2020
Schedule of Investments [Line Items]
Units (in shares)	[27]			154
Cost	[27]			$ 5,760
Fair value	[27]			$ 15,260
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt One March 12, 2020
Schedule of Investments [Line Items]
Interest rate	[21]	8.38%
Interest, variable rate	[21]	6.00%
Principal	[21]	$ 7,760
Cost	[21]	7,760
Fair value	[21]	$ 7,760
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt One March 12,2020
Schedule of Investments [Line Items]
Interest rate	[23]			7.00%
Interest, variable rate	[23]			6.00%
Principal	[23]			$ 4,000
Cost	[23]			4,000
Fair value	[23]			$ 4,000
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt Two March 12, 2020
Schedule of Investments [Line Items]
Interest rate		8.00%
Principal		$ 19,274
Cost		19,171
Fair value		$ 19,274
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt Two March 12,2020
Schedule of Investments [Line Items]
Interest rate				8.00%
Principal				$ 19,274
Cost				19,139
Fair value				$ 19,274
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units March 06, 2020
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	587
Cost	[26],[35]	$ 8,317
Fair value	[26],[35]	$ 57,210
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units March 06,2020
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			587
Cost	[27],[34]			$ 8,317
Fair value	[27],[34]			$ 47,640
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt March 06,2020
Schedule of Investments [Line Items]
Interest rate	[23]			12.25%
Interest, variable rate	[23]			10.50%
Principal	[23]			$ 42,497
Cost	[23]			42,117
Fair value	[23]			$ 42,484
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt One March 06, 2020
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	10.50%
Principal	[21],[22]	$ 0
Cost	[21],[22]	(11)
Fair value	[21],[22]	$ (11)
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt Two March 06, 2020
Schedule of Investments [Line Items]
Interest rate	[21]	13.63%
Interest, variable rate	[21]	10.50%
Principal	[21]	$ 41,225
Cost	[21]	40,924
Fair value	[21]	$ 41,225
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units March 31, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	17,280
Cost	[26]	$ 7,680
Fair value	[26]	9,210
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units March 31,2021
Schedule of Investments [Line Items]
Units (in shares)	[27]			17,280
Cost	[27]			$ 7,680
Fair value	[27]			$ 9,130
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt March 31,2021
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 24,570
Cost				24,351
Fair value				$ 24,351
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt One March 31, 2021
Schedule of Investments [Line Items]
Principal	[22]	0
Cost	[22]	0
Fair value	[22]	$ 0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt Two March 31, 2021
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 23,625
Cost		23,451
Fair value		$ 23,451
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units January 29, 2019
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,975
Cost	[26]	$ 1,975
Fair value	[26]	$ 18,570
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units January 29,2019
Schedule of Investments [Line Items]
Units (in shares)	[27]			1,975
Cost	[27]			$ 1,975
Fair value	[27]			$ 12,000
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt January 29,2019
Schedule of Investments [Line Items]
Interest rate	[23]			10.00%
Interest, variable rate	[23]			9.00%
Principal	[23]			$ 6,477
Cost	[23]			6,452
Fair value	[23]			$ 6,477
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt Two January 29, 2019
Schedule of Investments [Line Items]
Interest rate	[21]	11.63%
Interest, variable rate	[21]	9.00%
Principal	[21]	$ 5,350
Cost	[21]	5,339
Fair value	[21]	$ 5,350
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt August 06,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.50%
Interest, variable rate	[9],[23]			7.50%
Principal	[9],[23]			$ 21,681
Cost	[9],[23]			21,234
Fair value	[9],[23]			$ 21,234
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt One August 06, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.13%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 5,000
Cost	[8],[21]	4,923
Fair value	[8],[21]	$ 4,519
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt Two August 06, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.37%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 18,656
Cost	[8],[21]	18,364
Fair value	[8],[21]	$ 16,860
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP) February 04, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	17.40%
Cost	[10],[11],[26],[36]	$ 8,214
Fair value	[10],[11],[26],[36]	$ 7,854
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP) February 04,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			17.40%
Cost	[12],[13],[27],[37]			$ 10,256
Fair value	[12],[13],[27],[37]			$ 9,959
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units December 29,2016
Schedule of Investments [Line Items]
Units (in shares)	[9],[27]			861,618
Cost	[9],[27]			$ 3,335
Fair value	[9],[27]			$ 14,640
Investment, Identifier [Axis]: Construction Supply Investments, LLC., Member Units December 29, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8],[26]	861,618
Cost	[8],[26]	$ 3,335
Fair value	[8],[26]	$ 20,795
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP) July 17, 2017
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	38.75%
Cost	[10],[11],[36]	$ 710
Fair value	[10],[11],[36]	$ 710
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP) July 17,2017
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			38.80%
Cost	[12],[13],[37]			$ 710
Fair value	[12],[13],[37]			$ 710
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity November 19, 2021
Schedule of Investments [Line Items]
Units (in shares)		5,944
Cost		$ 5,944
Fair value		$ 7,260
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity November 30,2015
Schedule of Investments [Line Items]
Units (in shares)				5,944
Cost				$ 5,944
Fair value				$ 5,944
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt November 19, 2021
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 21,200
Cost		21,025
Fair value		$ 21,200
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt November 30,2015
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 21,200
Cost				20,993
Fair value				$ 20,993
Investment, Identifier [Axis]: DTE Enterprises LLC Class A Class AA Preferred Member Units (non-voting) April 13, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[26]	10.00%
PIK Rate	[8],[26]	10.00%
Cost	[8],[26]	$ 1,132
Fair value	[8],[26]	$ 1,132
Investment, Identifier [Axis]: DTE Enterprises LLC Class A Preferred Member Units April 13, 2018
Schedule of Investments [Line Items]
Units (in shares)	[8]	776,316
Interest rate	[8]	8.00%
PIK Rate	[8]	8.00%
Cost	[8]	$ 776
Fair value	[8]	$ 270
Investment, Identifier [Axis]: DTE Enterprises LLC Secured Debt One April 13, 2018
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	7.50%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(2)
Fair value	[8],[21],[22]	$ (2)
Investment, Identifier [Axis]: DTE Enterprises LLC Secured Debt Two April 13, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.44%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 7,824
Cost	[8],[21]	7,803
Fair value	[8],[21]	$ 7,486
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units April 13,2018
Schedule of Investments [Line Items]
Units (in shares)	[9]			776,316
Interest rate	[9]			8.00%
PIK Rate	[9]			8.00%
Cost	[9]			$ 776
Fair value	[9]			$ 320
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting) April 13,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			10.00%
PIK Rate	[9],[23]			10.00%
Cost	[9],[23]			$ 1,051
Fair value	[9],[23]			$ 1,051
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt April 13,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.50%
Interest, variable rate	[9],[23]			8.00%
Principal	[9],[23]			$ 9,324
Cost	[9],[23]			9,259
Fair value	[9],[23]			$ 8,884
Investment, Identifier [Axis]: Darr Equipment LP, Secured Debt December 26,2017
Schedule of Investments [Line Items]
Interest rate	[9]			12.50%
PIK Rate	[9]			1.00%
Principal	[9]			$ 4,685
Cost	[9]			4,685
Fair value	[9]			$ 4,227
Investment, Identifier [Axis]: Darr Equipment LP, Warrants April 15,2014
Schedule of Investments [Line Items]
Units (in shares)	[9],[41]			915,734
Cost	[9],[41]			$ 474
Fair value	[9],[41]			$ 160
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units March 31, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	9,000
Cost	[26]	$ 2,610
Fair value	[26]	$ 2,670
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units March 31,2021
Schedule of Investments [Line Items]
Units (in shares)				9,000
Cost				$ 2,610
Fair value				$ 2,610
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt March 31,2021
Schedule of Investments [Line Items]
Interest rate				5.00%
Principal				$ 8,892
Cost				8,296
Fair value				$ 7,668
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt One March 1, 2022
Schedule of Investments [Line Items]
Interest rate		7.50%
Principal		$ 223
Cost		223
Fair value		$ 223
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt Two March 31, 2021
Schedule of Investments [Line Items]
Interest rate		7.50%
Principal		$ 8,690
Cost		8,217
Fair value		$ 7,749
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member April 01, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	3,857
Cost	[26]	$ 9,501
Fair value	[26]	$ 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units April 01,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			3,857
Cost	[27]			$ 9,501
Fair value	[27]			$ 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt April 01, 2018
Schedule of Investments [Line Items]
Interest rate	[21]	12.63%
Interest, variable rate	[21]	10.00%
Principal	[21]	$ 15,863
Cost	[21]	15,844
Fair value	[21]	$ 15,844
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt January 29,2019
Schedule of Investments [Line Items]
Interest rate	[23]			11.00%
Interest, variable rate	[23]			10.00%
Principal	[23]			$ 16,853
Cost	[23]			16,801
Fair value	[23]			$ 16,801
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock February 13, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	8,400
Cost	[26]	$ 8,400
Fair value	[26]	$ 22,220
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock February 13,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			8,400
Cost	[27]			$ 8,400
Fair value	[27]			$ 18,350
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt February 13,2018
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 24,070
Cost	[23]			23,911
Fair value	[23]			$ 24,048
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt One February 13, 2018
Schedule of Investments [Line Items]
Interest rate	[21]	13.63%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 3,400
Cost	[21]	3,386
Fair value	[21]	$ 3,400
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt Two February 13, 2018
Schedule of Investments [Line Items]
Interest rate	[21]	13.63%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 23,050
Cost	[21]	22,966
Fair value	[21]	$ 23,050
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP) April 25, 2013
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	6.43%
Cost	[10],[11],[36]	$ 2,097
Fair value	[10],[11],[36]	$ 2,916
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP) April 25,2013
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			6.40%
Cost	[12],[13],[37]			$ 2,097
Fair value	[12],[13],[37]			$ 3,280
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP) April 25, 2013
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	20.24%
Cost	[10],[11],[36]	$ 6,605
Fair value	[10],[11],[36]	$ 9,182
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP) April 25,2013
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			20.20%
Cost	[12],[13],[37]			$ 6,605
Fair value	[12],[13],[37]			$ 10,329
Investment, Identifier [Axis]: Dos Rios Stone Products LLC, Class A Preferred Units June 27, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8],[35]	2,000,000
Cost	[8],[35]	$ 2,000
Fair value	[8],[35]	$ 350
Investment, Identifier [Axis]: Dos Rios Stone Products LLC, Class A Preferred Units June 27,2016
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			2,000,000
Cost	[9],[34]			$ 2,000
Fair value	[9],[34]			$ 640
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt July 17,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.50%
Interest, variable rate	[9],[23]			8.50%
Principal	[9],[23]			$ 5,681
Cost	[9],[23]			5,638
Fair value	[9],[23]			$ 5,569
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt One July 17, 2018
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	8.50%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	0
Fair value	[8],[21],[22]	$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt Three September 28, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	12.75%
Interest, variable rate	[8],[21]	9.50%
Principal	[8],[21]	$ 2,805
Cost	[8],[21]	2,791
Fair value	[8],[21]	$ 2,147
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt Two September 28, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.75%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 2,805
Cost	[8],[21]	2,791
Fair value	[8],[21]	$ 2,268
Investment, Identifier [Axis]: EIG Fund Investments, LP Interests (EIG Global Private Debt Fund-A, L.P.) November 06, 2015
Schedule of Investments [Line Items]
Units (in shares)	[10],[11],[26],[36]	5,000,000
Cost	[10],[11],[26],[36]	$ 1,518
Fair value	[10],[11],[26],[36]	$ 1,470
Investment, Identifier [Axis]: EIG Fund Investments, LP Interests (EIG Global Private Debt Fund-A, L.P.) November 06,2015
Schedule of Investments [Line Items]
Units (in shares)	[12],[13],[27],[37]			5,000,000
Cost	[12],[13],[27],[37]			$ 594
Fair value	[12],[13],[27],[37]			$ 547
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt June 22, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[21]	8.08%
Interest, variable rate	[14],[21]	6.00%
Principal	[14],[21]	$ 6,840
Cost	[14],[21]	6,778
Fair value	[14],[21]	$ 5,803
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt June 22,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 6,892
Cost	[15],[23]			6,819
Fair value	[15],[23]			$ 5,862
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt November 19,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 31,810
Cost	[9],[23]			31,238
Fair value	[9],[23]			$ 31,810
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt One November 19, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.07%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 4,461
Cost	[8],[21]	4,400
Fair value	[8],[21]	$ 4,342
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt Three November 19, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.07%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 23,606
Cost	[8],[21]	23,272
Fair value	[8],[21]	$ 22,974
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt Two November 19, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.07%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 5,053
Cost	[8],[21]	4,995
Fair value	[8],[21]	$ 4,918
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt February 10, 2022
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	9.38%
Interest, variable rate	[14],[20],[21]	6.25%
Principal	[14],[20],[21]	$ 9,258
Cost	[14],[20],[21]	9,091
Fair value	[14],[20],[21]	$ 8,911
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.) January 22,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			0.10%
Cost	[12],[13],[27],[37]			$ 4,047
Fair value	[12],[13],[27],[37]			$ 2,284
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co- Investors, L.P.) January 21,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			0.40%
Cost	[12],[13],[37]			$ 2,097
Fair value	[12],[13],[37]			$ 777
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.) January 22,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			0.10%
Cost	[12],[13],[27],[37]			$ 3,745
Fair value	[12],[13],[27],[37]			$ 1,599
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.) March 25,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			0.10%
Cost	[12],[13],[27],[37]			$ 8,443
Fair value	[12],[13],[27],[37]			$ 8,276
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.) March 30,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			0.80%
Cost	[12],[13],[37]			$ 6,582
Fair value	[12],[13],[37]			$ 2,796
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.) March 27,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			0.20%
Cost	[12],[13],[27],[37]			$ 6,082
Fair value	[12],[13],[27],[37]			$ 5,064
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Flatrock Midstream Fund III, L.P.) March 27, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.25%
Cost	[10],[11],[26],[36]	$ 6,019
Fair value	[10],[11],[26],[36]	$ 5,089
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund VIII, L.P.) January 22, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.14%
Cost	[10],[11],[26],[36]	$ 3,587
Fair value	[10],[11],[26],[36]	$ 2,184
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Flatrock Midstream Fund II, L.P.) March 30, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	0.84%
Cost	[10],[11],[36]	$ 5,358
Fair value	[10],[11],[36]	$ 1,583
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests LP Interests (EnCap Energy Capital Fund IX, L.P.) January 22, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.10%
Cost	[10],[11],[26],[36]	$ 3,755
Fair value	[10],[11],[26],[36]	$ 2,177
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests LP Interests (EnCap Energy Capital Fund VIII Co- Investors, L.P.) January 21, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.38%
Cost	[10],[11],[26],[36]	$ 1,984
Fair value	[10],[11],[26],[36]	$ 1,037
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests LP Interests (LP Interests (EnCap Energy Capital Fund X, L.P.) March 25, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	0.15%
Cost	[10],[11],[26],[36]	$ 8,326
Fair value	[10],[11],[26],[36]	$ 10,130
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt One May 23, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.00%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 120
Cost	[8],[20],[21]	72
Fair value	[8],[20],[21]	$ 116
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt Two May 23, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.38%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 16,338
Cost	[8],[20],[21]	16,034
Fair value	[8],[20],[21]	$ 15,772
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt December 22,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23],[34]			8.00%
Interest, variable rate	[9],[23],[34]			7.00%
Principal	[9],[23],[34]			$ 51,692
Cost	[9],[23],[34]			51,135
Fair value	[9],[23],[34]			$ 51,135
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt One December 22, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21],[35]	9.25%
Interest, variable rate	[8],[21],[35]	7.00%
Principal	[8],[21],[35]	$ 3,692
Cost	[8],[21],[35]	3,661
Fair value	[8],[21],[35]	$ 3,367
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt Two December 22, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21],[35]	10.67%
Interest, variable rate	[8],[21],[35]	7.00%
Principal	[8],[21],[35]	$ 44,308
Cost	[8],[21],[35]	43,933
Fair value	[8],[21],[35]	$ 40,402
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity October 29,2021
Schedule of Investments [Line Items]
Units (in shares)				9,360
Cost				$ 10,400
Fair value				$ 10,400
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity October 29, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	9,360
Cost	[26]	$ 10,400
Fair value	[26]	$ 13,840
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt One October 29, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	9.25%
Interest, variable rate	[21]	6.50%
Principal	[21]	$ 7,600
Cost	[21]	7,536
Fair value	[21]	$ 7,600
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt One October 29,2021
Schedule of Investments [Line Items]
Interest rate	[23]			7.50%
Interest, variable rate	[23]			6.50%
Principal	[23]			$ 6,400
Cost	[23]			6,324
Fair value	[23]			$ 6,324
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt Two October 29, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	13.75%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 21,200
Cost	[21]	21,027
Fair value	[21]	$ 21,200
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt Two October 29,2021
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 21,200
Cost	[23]			20,996
Fair value	[23]			$ 20,996
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt January 04,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23],[42]			9.09%
Interest, variable rate	[9],[23],[42]			8.09%
Principal	[9],[23],[42]			$ 5,400
Cost	[9],[23],[42]			5,304
Fair value	[9],[23],[42]			$ 5,287
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt One March 24, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.21%
Interest, variable rate	[8],[20],[21]	7.50%
Principal	[8],[20],[21]	$ 491
Cost	[8],[20],[21]	491
Fair value	[8],[20],[21]	$ 491
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt Two January 04, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.19%
Interest, variable rate	[8],[20],[21]	7.50%
Principal	[8],[20],[21]	$ 6,185
Cost	[8],[20],[21]	6,078
Fair value	[8],[20],[21]	$ 6,078
Investment, Identifier [Axis]: Fortna Acquisition Co., Inc., Secured Debt July 23,2019
Schedule of Investments [Line Items]
Interest rate	[9]			5.09%
Interest, variable rate	[9]			5.00%
Principal	[9]			$ 7,595
Cost	[9]			7,525
Fair value	[9]			$ 7,595
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport Financial SBIC Fund LP) March 23, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	9.30%
Cost	[10],[11],[26],[36]	$ 4,064
Fair value	[10],[11],[26],[36]	$ 4,116
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport Financial SBIC Fund LP) March 23,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			9.30%
Cost	[12],[13],[37]			$ 5,974
Fair value	[12],[13],[37]			$ 6,078
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP) July 31, 2015
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	5.95%
Cost	[10],[11],[26],[36]	$ 6,630
Fair value	[10],[11],[26],[36]	$ 6,175
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP) July 31,2015
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			6.00%
Cost	[12],[13],[27],[37]			$ 7,629
Fair value	[12],[13],[27],[37]			$ 7,231
Investment, Identifier [Axis]: Fuse, LLC, Common Stock June 30, 2019
Schedule of Investments [Line Items]
Units (in shares)	[14]	10,429
Cost	[14]	$ 256
Fair value	[14]	$ 0
Investment, Identifier [Axis]: Fuse, LLC, Common Stock June 30,2019
Schedule of Investments [Line Items]
Units (in shares)	[15]			10,429
Cost	[15]			$ 256
Fair value	[15]			$ 0
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt June 30, 2019
Schedule of Investments [Line Items]
Interest rate	[14]	12.00%
Principal	[14]	$ 1,810
Cost	[14]	1,810
Fair value	[14]	$ 1,512
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt June 30,2019
Schedule of Investments [Line Items]
Interest rate	[15]			12.00%
Principal	[15]			$ 1,810
Cost	[15]			1,810
Fair value	[15]			$ 1,672
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units March 31, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	226
Cost	[26]	$ 4,900
Fair value	[26]	$ 7,140
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units March 31,2021
Schedule of Investments [Line Items]
Units (in shares)	[27]			226
Cost	[27]			$ 4,900
Fair value	[27]			$ 6,990
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt March 31, 2021
Schedule of Investments [Line Items]
Interest rate		9.00%
Principal		$ 11,745
Cost		11,661
Fair value		$ 11,745
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt March 31,2021
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 12,545
Cost				12,435
Fair value				$ 12,545
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units December 19, 2014
Schedule of Investments [Line Items]
Units (in shares)	[26]	5,879
Cost	[26]	$ 13,065
Fair value	[26]	$ 46,190
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units December 19,2014
Schedule of Investments [Line Items]
Units (in shares)	[27]			5,879
Cost	[27]			$ 13,065
Fair value	[27]			$ 46,190
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt December 19, 2014
Schedule of Investments [Line Items]
Interest rate		10.56%
Interest, variable rate		8.00%
Principal		$ 40,493
Cost		40,301
Fair value		$ 40,493
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt December 19,2014
Schedule of Investments [Line Items]
Interest rate				8.10%
Interest, variable rate				8.00%
Principal				$ 38,885
Cost				38,672
Fair value				$ 38,885
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt October 18,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.75%
Interest, variable rate	[9],[23]			5.75%
Principal	[9],[23]			$ 13,243
Cost	[9],[23]			13,167
Fair value	[9],[23]			$ 13,243
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt One October 18, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.26%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 2,273
Cost	[8],[21]	2,264
Fair value	[8],[21]	$ 2,211
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt Two October 18, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.62%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 10,858
Cost	[8],[21]	10,813
Fair value	[8],[21]	$ 10,564
Investment, Identifier [Axis]: GS Operating, LLC, Secured Debt February 24,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			6.50%
Principal	[9],[23]			$ 28,451
Cost	[9],[23]			28,068
Fair value	[9],[23]			$ 28,451
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt One September 30, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(20)
Fair value	[8],[20],[21],[22]	$ (20)
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt Three September 30, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.59%
Interest, variable rate	[8],[20],[21]	6.00%
Principal	[8],[20],[21]	$ 3,661
Cost	[8],[20],[21]	3,588
Fair value	[8],[20],[21]	$ 3,588
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt Two September 30, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(15)
Fair value	[8],[20],[21],[22]	$ (15)
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units June 24, 2016
Schedule of Investments [Line Items]
Units (in shares)	[26]	9,042
Cost	[26]	$ 17,692
Fair value	[26]	$ 46,470
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units June 24,2016
Schedule of Investments [Line Items]
Units (in shares)	[27]			9,042
Cost	[27]			$ 17,692
Fair value	[27]			$ 49,700
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt June 24,2016
Schedule of Investments [Line Items]
Interest rate	[23]			9.50%
Interest, variable rate	[23]			7.50%
Principal	[23]			$ 21,598
Cost	[23]			21,535
Fair value	[23]			$ 21,598
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt One June 24, 2016
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	8.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt Two June 24, 2016
Schedule of Investments [Line Items]
Interest rate	[21]	10.63%
Interest, variable rate	[21]	8.00%
Principal	[21]	$ 24,078
Cost	[21]	24,019
Fair value	[21]	$ 24,078
Investment, Identifier [Axis]: Garreco, LLC, Member Units July 15, 2013
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,200
Cost	[26]	$ 1,200
Fair value	[26]	$ 1,990
Investment, Identifier [Axis]: Garreco, LLC, Member Units July 15,2013
Schedule of Investments [Line Items]
Units (in shares)	[27]			1,200
Cost	[27]			$ 1,200
Fair value	[27]			$ 2,270
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt July 15, 2013
Schedule of Investments [Line Items]
Interest rate	[21],[43]	9.50%
Interest, variable rate	[21],[43]	8.00%
Principal	[21],[43]	$ 3,826
Cost	[21],[43]	3,826
Fair value	[21],[43]	$ 3,826
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt July 15,2013
Schedule of Investments [Line Items]
Interest rate	[23],[44]			9.00%
Interest, variable rate	[23],[44]			8.00%
Principal	[23],[44]			$ 4,196
Cost	[23],[44]			4,196
Fair value	[23],[44]			$ 4,196
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt January 02, 2019
Schedule of Investments [Line Items]
Interest rate	[14]	8.07%
Interest, variable rate	[14]	5.25%
Principal	[14]	$ 20,550
Cost	[14]	20,474
Fair value	[14]	$ 20,139
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt January 02,2019
Schedule of Investments [Line Items]
Interest rate	[15]			5.35%
Interest, variable rate	[15]			5.25%
Principal	[15]			$ 20,710
Cost	[15]			20,615
Fair value	[15]			$ 20,606
Investment, Identifier [Axis]: GoWireless Holdings, Inc., Secured Debt January 10,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.50%
Interest, variable rate	[15],[23]			6.50%
Principal	[15],[23]			$ 18,534
Cost	[15],[23]			18,440
Fair value	[15],[23]			$ 18,576
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt March 07,2013
Schedule of Investments [Line Items]
Interest rate	[15],[23],[28],[30]			9.25%
Interest, variable rate	[15],[23],[28],[30]			7.00%
Principal	[15],[23],[28],[30]			$ 4,504
Cost	[15],[23],[28],[30]			4,504
Fair value	[15],[23],[28],[30]			$ 1,269
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt One March 07,2013
Schedule of Investments [Line Items]
Interest rate	[15],[28],[30]			13.75%
Principal	[15],[28],[30]			$ 2,055
Cost	[15],[28],[30]			2,040
Fair value	[15],[28],[30]			$ 49
Investment, Identifier [Axis]: Grupo Hima San Pablo, Inc., Secured Debt Two March 07,2013
Schedule of Investments [Line Items]
Interest rate	[15],[30]			12.00%
Principal	[15],[30]			$ 147
Cost	[15],[30]			147
Fair value	[15],[30]			$ 147
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Member Units August 31,2007
Schedule of Investments [Line Items]
Units (in shares)	[27]			438
Cost	[27]			$ 2,980
Fair value	[27]			$ 5,640
Investment, Identifier [Axis]: Gulf Manufacturing, LLC,Member Units August 13, 2007
Schedule of Investments [Line Items]
Units (in shares)	[26]	438
Cost	[26]	$ 2,980
Fair value	[26]	$ 5,810
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units April 29, 2016
Schedule of Investments [Line Items]
Units (in shares)		3,681
Cost		$ 3,681
Fair value		$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units April 29,2016
Schedule of Investments [Line Items]
Units (in shares)				3,681
Cost				$ 3,681
Fair value				$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units July 1, 2022
Schedule of Investments [Line Items]
Units (in shares)		63,720
Cost		$ 5,600
Fair value		$ 3,920
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt April 29, 2016
Schedule of Investments [Line Items]
Interest rate	[30]			12.50%
PIK Rate	[30]			6.25%
Principal	[30]			$ 13,565
Cost	[30]			13,565
Fair value	[30]			$ 9,717
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt One September 29, 2017
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	9.50%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt September 29,2017
Schedule of Investments [Line Items]
Interest rate	[23],[30]			10.50%
Interest, variable rate	[23],[30]			9.50%
PIK Rate	[23],[30]			5.25%
Principal	[23],[30]			$ 257
Cost	[23],[30]			257
Fair value	[23],[30]			$ 257
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt Two July 01, 2022
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 2,400
Cost		2,400
Fair value		$ 2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt December 21,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.50%
Interest, variable rate	[9],[23]			7.50%
Principal	[9],[23]			$ 3,449
Cost	[9],[23]			3,419
Fair value	[9],[23]			$ 3,059
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt One December 21, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.76%
Interest, variable rate	[8],[20],[21]	9.50%
PIK Rate	[8],[20],[21]	5.75%
Principal	[8],[20],[21]	$ 320
Cost	[8],[20],[21]	319
Fair value	[8],[20],[21]	$ 297
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt Two December 21, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.76%
Interest, variable rate	[8],[20],[21]	9.50%
PIK Rate	[8],[20],[21]	5.75%
Principal	[8],[20],[21]	$ 3,117
Cost	[8],[20],[21]	3,100
Fair value	[8],[20],[21]	$ 2,888
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt One August 01, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.50%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(65)
Fair value	[8],[20],[21],[22]	$ (65)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt Three August 01, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.52%
Interest, variable rate	[8],[20],[21]	6.50%
Principal	[8],[20],[21]	$ 16,875
Cost	[8],[20],[21]	16,549
Fair value	[8],[20],[21]	$ 16,549
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt Two August 01, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.50%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(65)
Fair value	[8],[20],[21],[22]	$ (65)
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt August 11, 2021
Schedule of Investments [Line Items]
Interest rate	[11],[14],[16],[21]	8.96%
Interest, variable rate	[11],[14],[16],[21]	6.00%
Principal	[11],[14],[16],[21]	$ 25,354
Cost	[11],[14],[16],[21]	25,354
Fair value	[11],[14],[16],[21]	$ 23,648
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt August 19,2021
Schedule of Investments [Line Items]
Interest rate	[13],[15],[23],[45]			7.00%
Interest, variable rate	[13],[15],[23],[45]			6.00%
Principal	[13],[15],[23],[45]			$ 25,546
Cost	[13],[15],[23],[45]			25,546
Fair value	[13],[15],[23],[45]			$ 25,546
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) March 11, 2022
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	49.26%
Cost	[10],[11],[36]	$ 244
Fair value	[10],[11],[36]	$ 244
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) October 01, 2017
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	49.26%
Cost	[10],[11],[36]	$ 3,895
Fair value	[10],[11],[36]	$ 7,142
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) October 1,2007
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			49.30%
Cost	[12],[13],[37]			$ 2,703
Fair value	[12],[13],[37]			$ 3,971
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, LP) June 02, 2022
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	22.93%
Cost	[10],[11],[36]	$ 1,400
Fair value	[10],[11],[36]	$ 1,400
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.) August 09, 2017
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	8.22%
Cost	[10],[11],[26],[36]	$ 2,558
Fair value	[10],[11],[26],[36]	$ 4,331
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.) August 09,2017
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			8.20%
Cost	[12],[13],[37]			$ 3,193
Fair value	[12],[13],[37]			$ 4,712
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 4, L.P.) July 12, 2022
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[36]	9.60%
Cost	[10],[11],[36]	$ 1,896
Fair value	[10],[11],[36]	$ 1,896
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd., Common Stock June 04, 2010
Schedule of Investments [Line Items]
Units (in shares)		107,456
Cost		$ 718
Fair value		$ 3,280
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd., Common Stock June 04,2010
Schedule of Investments [Line Items]
Units (in shares)				107,456
Cost				$ 718
Fair value				$ 3,530
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt One December 02,2016
Schedule of Investments [Line Items]
Interest rate	[13],[23]			7.00%
Interest, variable rate	[13],[23]			6.00%
Principal	[13],[23]			$ 2,585
Cost	[13],[23]			2,585
Fair value	[13],[23]			$ 2,585
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt Two December 02,2016
Schedule of Investments [Line Items]
Interest rate	[13]			8.00%
Principal	[13]			$ 34,800
Cost	[13]			34,672
Fair value	[13]			$ 34,800
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units One December 02, 2016
Schedule of Investments [Line Items]
Units (in shares)	[26]	226
Cost	[26]	$ 2,850
Fair value	[26]	$ 19,080
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units One December 02,2016
Schedule of Investments [Line Items]
Units (in shares)	[13],[27]			226
Cost	[13],[27]			$ 2,850
Fair value	[13],[27]			$ 14,680
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units Two December 02, 2016
Schedule of Investments [Line Items]
Units (in shares)	[35]	226
Cost	[35]	$ 150
Fair value	[35]	$ 1,000
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units Two December 02,2016
Schedule of Investments [Line Items]
Units (in shares)	[13],[34]			226
Cost	[13],[34]			$ 150
Fair value	[13],[34]			$ 770
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt One December 02, 2016
Schedule of Investments [Line Items]
Interest rate	[21]	8.38%
Interest, variable rate	[21]	6.00%
Principal	[21]	$ 3,185
Cost	[21]	3,182
Fair value	[21]	$ 3,182
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt Two December 02, 2016
Schedule of Investments [Line Items]
Interest rate		8.00%
Principal		$ 37,800
Cost		37,675
Fair value		$ 37,800
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt September 09, 2020,
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.62%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 14,663
Cost	[8],[21]	14,405
Fair value	[8],[21]	$ 13,563
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt September 09,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.50%
Interest, variable rate	[9],[23]			6.50%
Principal	[9],[23]			$ 14,813
Cost	[9],[23]			14,477
Fair value	[9],[23]			$ 14,887
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Member Units January 08, 2003
Schedule of Investments [Line Items]
Units (in shares)	[26]	322,297
Cost	[26]	$ 2,352
Fair value	[26]	$ 2,220
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Member Units January 08,2003
Schedule of Investments [Line Items]
Units (in shares)	[27]			322,297
Cost	[27]			$ 2,352
Fair value	[27]			$ 3,210
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt May 01, 2017
Schedule of Investments [Line Items]
Interest rate		8.00%
Principal		$ 3,000
Cost		3,000
Fair value		$ 2,750
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt May 01,2017
Schedule of Investments [Line Items]
Interest rate				8.00%
Principal				$ 3,000
Cost				3,000
Fair value				$ 2,960
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt June 30, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.33%
Interest, variable rate	[8],[21]	8.25%
Principal	[8],[21]	$ 7,088
Cost	[8],[21]	6,979
Fair value	[8],[21]	$ 6,721
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt June 30,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.25%
Interest, variable rate	[9],[23]			8.25%
Principal	[9],[23]			$ 7,088
Cost	[9],[23]			6,957
Fair value	[9],[23]			7,028
Investment, Identifier [Axis]: I-45 SLF LLC, Investment Partnership October 20, 2015
Schedule of Investments [Line Items]
Units (in shares)	[10],[11],[26]	0
Cost	[10],[11],[26]	$ 19,000
Fair value	[10],[11],[26]	$ 12,507
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 24.40% profits interest) (8) October 20,2015
Schedule of Investments [Line Items]
Cost	[12],[13],[27]			19,000
Fair value	[12],[13],[27]			$ 14,387
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt July 30,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.75%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 9,591
Cost	[15],[23]			9,419
Fair value	[15],[23]			$ 9,419
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt One July 30, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	8.41%
Interest, variable rate	[14],[20],[21]	5.75%
Principal	[14],[20],[21]	$ 443
Cost	[14],[20],[21]	413
Fair value	[14],[20],[21]	$ 435
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt Two July 30, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	8.23%
Interest, variable rate	[14],[20],[21]	5.75%
Principal	[14],[20],[21]	$ 14,536
Cost	[14],[20],[21]	14,327
Fair value	[14],[20],[21]	$ 14,279
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt May 19, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	8.71%
Interest, variable rate	[14],[21]	5.75%
Principal	[14],[21]	$ 7,125
Cost	[14],[21]	6,959
Fair value	[14],[21]	$ 6,306
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt May 19,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 7,406
Cost	[15],[23]			7,205
Fair value	[15],[23]			$ 7,258
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt June 01, 2017
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.25%
Interest, variable rate	[8],[21]	7.75%
PIK Rate	[8],[21]	0.25%
Principal	[8],[21]	$ 18,609
Cost	[8],[21]	18,452
Fair value	[8],[21]	17,194
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt June 01,2017
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.75%
Interest, variable rate	[9],[23]			7.75%
Principal	[9],[23]			$ 18,702
Cost	[9],[23]			18,471
Fair value	[9],[23]			$ 17,743
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holding, Member Units November 20, 2018
Schedule of Investments [Line Items]
Cost	[8]	1,558
Fair value	[8]	$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units November 20, 2018
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,558,333
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units November 20,2018
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,558,333
Cost	[9]			$ 1,558
Fair value	[9]			$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) One December 10, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[29]	6.00%
PIK Rate	[8],[29]	6.00%
Cost	[8],[29]	$ 3,235
Fair value	[8],[29]	0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) One December 10,2020
Schedule of Investments [Line Items]
Interest rate	[9]			6.00%
PIK Rate	[9]			6.00%
Cost	[9]			$ 3,235
Fair value	[9]			4,329
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) Two December 10, 2020
Schedule of Investments [Line Items]
Cost	[8]	0
Fair value	[8]	$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) Two December 10,2020
Schedule of Investments [Line Items]
Cost	[9]			0
Fair value	[9]			$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt August 20,2020
Schedule of Investments [Line Items]
Interest rate	[9],[46]			7.20%
Principal	[9],[46]			$ 6,563
Cost	[9],[46]			6,563
Fair value	[9],[46]			$ 6,563
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt December 10,2020
Schedule of Investments [Line Items]
Interest rate	[9]			6.00%
PIK Rate	[9]			6.00%
Principal	[9]			$ 17,891
Cost	[9]			16,861
Fair value	[9]			$ 16,861
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt One August 20, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[47]	11.26%
PIK Rate	[8],[47]	11.26%
Principal	[8],[47]	$ 6,831
Cost	[8],[47]	6,831
Fair value	[8],[47]	$ 6,831
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt Two December 10, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[29]	6.00%
PIK Rate	[8],[29]	6.00%
Principal	[8],[29]	$ 18,428
Cost	[8],[29]	17,664
Fair value	[8],[29]	$ 13,419
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants One November 20, 2018
Schedule of Investments [Line Items]
Units (in shares)	[8],[22],[48]	242,914
Cost	[8],[22],[48]	$ 0
Fair value	[8],[22],[48]	$ 0
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units June 17, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8],[35]	900
Cost	[8],[35]	$ 900
Fair value	[8],[35]	$ 690
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units June 17,2016
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			900
Cost	[9],[34]			$ 900
Fair value	[9],[34]			$ 730
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units January 31,2018
Schedule of Investments [Line Items]
Units (in shares)	[9],[27],[34]			144
Interest rate	[9],[27],[34]			10.00%
PIK Rate	[9],[27],[34]			10.00%
Cost	[9],[27],[34]			$ 120
Fair value	[9],[27],[34]			$ 164
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units May 17,2019
Schedule of Investments [Line Items]
Units (in shares)	[9],[27],[34]			80
Interest rate	[9],[27],[34]			20.00%
PIK Rate	[9],[27],[34]			20.00%
Cost	[9],[27],[34]			$ 81
Fair value	[9],[27],[34]			$ 99
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units One January 31, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8],[26],[35]	144
Interest rate	[8],[26],[35]	10.00%
PIK Rate	[8],[26],[35]	10.00%
Cost	[8],[26],[35]	$ 127
Fair value	[8],[26],[35]	$ 161
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units Two May 17, 2019
Schedule of Investments [Line Items]
Units (in shares)	[8],[26],[35]	80
Interest rate	[8],[26],[35]	20.00%
PIK Rate	[8],[26],[35]	20.00%
Cost	[8],[26],[35]	$ 89
Fair value	[8],[26],[35]	$ 101
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt August 13,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.75%
Interest, variable rate	[9],[23]			6.75%
Principal	[9],[23]			$ 19,897
Cost	[9],[23]			19,490
Fair value	[9],[23]			$ 19,490
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt One August 13, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.88%
Interest, variable rate	[8],[21]	6.75%
Principal	[8],[21]	$ 463
Cost	[8],[21]	428
Fair value	[8],[21]	$ 463
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt Two August 13, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.69%
Interest, variable rate	[8],[21]	6.75%
Principal	[8],[21]	$ 19,288
Cost	[8],[21]	18,984
Fair value	[8],[21]	$ 19,288
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt November 01,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.00%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 8,680
Cost	[9],[23]			8,487
Fair value	[9],[23]			$ 8,487
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt One November 01, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	5.75%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(20)
Fair value	[8],[21],[22]	$ (20)
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt Two November 01, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.42%
Interest, variable rate	[8],[21]	5.75%
Principal	[8],[21]	$ 8,637
Cost	[8],[21]	8,495
Fair value	[8],[21]	$ 8,543
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock December 07,2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	2,143
Cost	[8]	$ 0
Fair value	[8]	$ 0
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt One December 09,2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	12.32%
Interest, variable rate	[8],[21]	10.00%
Principal	[8],[21]	$ 1,398
Cost	[8],[21]	1,398
Fair value	[8],[21]	$ 1,398
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt Two August 07,2019
Schedule of Investments [Line Items]
Interest rate	[8],[21],[29]	10.52%
Interest, variable rate	[8],[21],[29]	7.00%
PIK Rate	[8],[21],[29]	1.00%
Principal	[8],[21],[29]	$ 7,313
Cost	[8],[21],[29]	7,237
Fair value	[8],[21],[29]	$ 1,549
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt August 07,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23],[28]			9.75%
Interest, variable rate	[9],[23],[28]			7.00%
PIK Rate	[9],[23],[28]			1.00%
Principal	[9],[23],[28]			$ 7,313
Cost	[9],[23],[28]			7,237
Fair value	[9],[23],[28]			$ 5,233
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt December 09,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			11.75%
Interest, variable rate	[9],[23]			10.00%
Principal	[9],[23]			$ 525
Cost	[9],[23]			525
Fair value	[9],[23]			$ 525
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt August 03, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.12%
Interest, variable rate	[14],[21]	6.00%
Principal	[14],[21]	$ 20,467
Cost	[14],[21]	20,414
Fair value	[14],[21]	$ 17,960
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt August 03,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 20,627
Cost	[15],[23]			20,559
Fair value	[15],[23]			$ 20,527
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt August 28,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			6.50%
Principal	[9],[23]			$ 17,510
Cost	[9],[23]			17,354
Fair value	[9],[23]			$ 17,510
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt One August 28, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.42%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 726
Cost	[8],[21]	721
Fair value	[8],[21]	$ 716
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt Two August 28, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.75%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 16,889
Cost	[8],[21]	16,774
Fair value	[8],[21]	$ 16,645
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock August 03, 2021
Schedule of Investments [Line Items]
Units (in shares)		179,778
Cost		$ 1,798
Fair value		$ 1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock August 03,2021
Schedule of Investments [Line Items]
Units (in shares)				179,778
Cost				$ 1,798
Fair value				$ 1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt September 01,2021
Schedule of Investments [Line Items]
Interest rate				12.50%
Principal				$ 3,200
Cost				3,170
Fair value				$ 3,170
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Four November 15, 2021
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 20,000
Cost		19,835
Fair value		$ 19,835
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt One August 02, 2021
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 4,600
Cost		4,564
Fair value		$ 4,564
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt One August 03,2021
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 4,600
Cost				4,557
Fair value				$ 4,557
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Three August 03,2021
Schedule of Investments [Line Items]
Interest rate				12.50%
PIK Rate				12.50%
Principal				$ 8,944
Cost				8,944
Fair value				$ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Three November 15, 2021
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 8,944
Cost		8,944
Fair value		$ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Two August 03,2021
Schedule of Investments [Line Items]
Interest rate				12.50%
Principal				$ 20,000
Cost				19,805
Fair value				$ 19,805
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt Two September 01, 2021
Schedule of Investments [Line Items]
Interest rate		12.50%
Principal		$ 3,200
Cost		3,174
Fair value		$ 3,174
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt June 21, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.93%
Interest, variable rate	[14],[21]	7.75%
PIK Rate	[14],[21]	9.93%
Principal	[14],[21]	$ 4,951
Cost	[14],[21]	4,933
Fair value	[14],[21]	$ 2,140
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt June 21,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.75%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 5,158
Cost	[15],[23]			5,135
Fair value	[15],[23]			$ 3,865
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity December 22, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,684,211
Cost	[8]	$ 1,684
Fair value	[8]	$ 2,340
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity December 22,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,684,211
Cost	[9]			$ 1,684
Fair value	[9]			$ 1,684
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt December 22,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.00%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 37,895
Cost	[9],[23]			36,972
Fair value	[9],[23]			$ 36,972
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt One December 22, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	6.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(143)
Fair value	[8],[21],[22]	$ (143)
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt Two December 22, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.26%
Interest, variable rate	[8],[21]	6.00%
Principal	[8],[21]	$ 37,421
Cost	[8],[21]	36,788
Fair value	[8],[21]	$ 37,321
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity November 08, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8],[26]	2,826,667
Cost	[8],[26]	$ 116
Fair value	[8],[26]	$ 616
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity November 08,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			2,826,667
Cost	[9]			$ 314
Fair value	[9]			$ 314
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt May 26,2015
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 2,100
Cost	[9],[23]			2,100
Fair value	[9],[23]			$ 2,100
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt November 08, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.75%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 2,084
Cost	[8],[21]	2,084
Fair value	[8],[21]	$ 1,987
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Member Units November 14, 2006
Schedule of Investments [Line Items]
Units (in shares)	[26]	627
Cost	[26]	$ 811
Fair value	[26]	$ 14,970
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Member Units November 14,2006
Schedule of Investments [Line Items]
Units (in shares)	[27]			627
Cost	[27]			$ 811
Fair value	[27]			$ 12,420
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt November 14, 2006
Schedule of Investments [Line Items]
Interest rate	[21]	12.25%
Interest, variable rate	[21]	6.75%
Principal	[21]	$ 2,450
Cost	[21]	2,442
Fair value	[21]	$ 2,450
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt November 14,2006
Schedule of Investments [Line Items]
Interest rate	[23]			10.00%
Interest, variable rate	[23]			6.75%
Principal	[23]			$ 2,550
Cost	[23]			2,536
Fair value	[23]			$ 2,550
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock August 21, 2019
Schedule of Investments [Line Items]
Units (in shares)	[14]	472,579
Cost	[14]	$ 4,429
Fair value	[14]	$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock August 21,2019
Schedule of Investments [Line Items]
Units (in shares)	[15]			472,579
Cost	[15]			$ 4,429
Fair value	[15]			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt August 21,2019
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 4,034
Cost	[15],[23]			3,989
Fair value	[15],[23]			$ 3,658
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt November 15,2021
Schedule of Investments [Line Items]
Interest rate	[15]			15.00%
PIK Rate	[15]			15.00%
Principal	[15]			$ 1,000
Cost	[15]			1,004
Fair value	[15]			$ 1,004
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt One November 15, 2021
Schedule of Investments [Line Items]
Interest rate	[14]	15.00%
Interest, variable rate	[14]	15.00%
PIK Rate	[14]	15.00%
Principal	[14]	$ 1,833
Cost	[14]	1,833
Fair value	[14]	$ 1,833
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt Two August 21, 2019
Schedule of Investments [Line Items]
Interest rate	[14],[29]	19.75%
PIK Rate	[14],[29]	19.75%
Principal	[14],[29]	$ 4,034
Cost	[14],[29]	3,997
Fair value	[14],[29]	$ 1,222
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity December 10, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	3,150
Cost	[26]	$ 3,150
Fair value	[26]	$ 5,880
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity December 10,2021
Schedule of Investments [Line Items]
Units (in shares)				3,150
Cost				$ 3,150
Fair value				$ 3,150
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt December 10,2021
Schedule of Investments [Line Items]
Interest rate	[23]			13.00%
Interest, variable rate	[23]			11.50%
Principal	[23]			$ 11,475
Cost	[23]			11,344
Fair value	[23]			$ 11,344
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt One December 10, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	11.50%
Principal	[23]	$ 0
Cost	[21],[22]	(15)
Fair value	[21],[22]	$ (15)
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt Two December 10, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	14.13%
Interest, variable rate	[21]	11.50%
Principal	[21]	$ 9,999
Cost	[21]	9,915
Fair value	[21]	$ 9,999
Investment, Identifier [Axis]: JorVet Holdings, LLC, Common Stock March 28, 2022
Schedule of Investments [Line Items]
Units (in shares)	[26]	107,406
Cost	[26]	$ 10,741
Fair value	[26]	$ 10,741
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt March 28, 2022
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 25,650
Cost		25,419
Fair value		$ 25,419
Investment, Identifier [Axis]: KBK Industries, LLC, Member Units January 23, 2006
Schedule of Investments [Line Items]
Units (in shares)		325	[26]	325	[27]
Cost		$ 783	[26]	$ 783	[27]
Fair value		$ 14,390	[26]	$ 13,620	[27]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt October 04,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.25%
Interest, variable rate	[9],[23]			7.25%
Principal	[9],[23]			$ 7,581
Cost	[9],[23]			7,415
Fair value	[9],[23]			$ 7,415
Investment, Identifier [Axis]: KMS, LLC, Secured Debt One October 04, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.56%
Interest, variable rate	[8],[21]	7.25%
Principal	[8],[21]	$ 1,075
Cost	[8],[21]	1,026
Fair value	[8],[21]	$ 1,014
Investment, Identifier [Axis]: KMS, LLC, Secured Debt Two October 04, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.56%
Interest, variable rate	[8],[21]	7.25%
Principal	[8],[21]	$ 7,524
Cost	[8],[21]	7,402
Fair value	[8],[21]	$ 7,101
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units One October 31, 2018
Schedule of Investments [Line Items]
Units (in shares)		581
Cost		$ 12,240
Fair value		$ 9,250
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units One October 31,2018
Schedule of Investments [Line Items]
Units (in shares)				581
Cost				$ 12,240
Fair value				$ 12,310
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units Two October 31, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	800
Cost	[26],[35]	$ 992
Fair value	[26],[35]	$ 2,460
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units Two October 31,2018
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			800
Cost	[27],[34]			$ 992
Fair value	[27],[34]			$ 2,460
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt One October 31, 2018
Schedule of Investments [Line Items]
Interest rate		11.50%
Principal		$ 20,415
Cost		20,361
Fair value		$ 20,361
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt One October 31,2018
Schedule of Investments [Line Items]
Interest rate				11.50%
Principal				$ 20,415
Cost				20,324
Fair value				$ 20,324
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt Two October 31, 2018
Schedule of Investments [Line Items]
Interest rate		9.00%
Principal		$ 3,888
Cost		3,851
Fair value		$ 3,851
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt Two October 31,2018
Schedule of Investments [Line Items]
Interest rate				9.00%
Principal				$ 3,915
Cost				3,876
Fair value				$ 3,876
Investment, Identifier [Axis]: Klein Hersh, LLC, Secured Debt November 13,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.75%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 43,321
Cost	[9],[23]			42,342
Fair value	[9],[23]			$ 43,278
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt December 11, 2022
Schedule of Investments [Line Items]
Interest rate	[11],[14]	9.17%
Interest, variable rate	[11],[14]	5.50%
Principal	[11],[14]	$ 11,326
Cost	[11],[14]	11,275
Fair value	[11],[14]	$ 11,199
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt December 31,2018
Schedule of Investments [Line Items]
Interest rate	[13],[15]			5.72%
Interest, variable rate	[13],[15]			5.50%
Principal	[13],[15]			$ 11,415
Cost	[13],[15]			11,345
Fair value	[13],[15]			$ 11,400
Investment, Identifier [Axis]: L.F. Manufacturing Holdings, LLC, Member Units December 23,2013
Schedule of Investments [Line Items]
Units (in shares)				2,179,001
Cost				$ 2,019
Fair value				$ 2,557
Investment, Identifier [Axis]: L.F. Manufacturing Holdings, LLC, Preferred Member Units (non-voting) January 01,2019
Schedule of Investments [Line Items]
Interest rate	[9],[27]			14.00%
PIK Rate	[9],[27]			14.00%
Cost	[9],[27]			$ 107
Fair value	[9],[27]			$ 107
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests January 25, 2013
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	2.27%
Cost	[10],[11],[26],[36]	$ 1,746
Fair value	[10],[11],[26],[36]	$ 3,197
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests January 25,2013
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			2.30%
Cost	[12],[13],[27],[37]			$ 1,746
Fair value	[12],[13],[27],[37]			$ 2,541
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt May 02,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.25%
Interest, variable rate	[9],[23]			7.25%
Principal	[9],[23]			$ 17,438
Cost	[9],[23]			17,309
Fair value	[9],[23]			$ 17,438
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt One May 02, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	10.20%
Interest, variable rate	[8],[20],[21]	7.25%
Principal	[8],[20],[21]	$ 8,126
Cost	[8],[20],[21]	8,102
Fair value	[8],[20],[21]	$ 8,126
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt Three May 12, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.13%
Interest, variable rate	[8],[20],[21]	7.25%
Principal	[8],[20],[21]	$ 10,855
Cost	[8],[20],[21]	10,728
Fair value	[8],[20],[21]	$ 10,799
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt Two May 02, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.81%
Interest, variable rate	[8],[20],[21]	7.25%
Principal	[8],[20],[21]	$ 9,220
Cost	[8],[20],[21]	9,171
Fair value	[8]	$ 9,220
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt August 16, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	11.28%
Interest, variable rate	[8],[21]	9.00%
Principal	[8],[21]	$ 4,455
Cost	[8],[21]	4,376
Fair value	[8],[21]	$ 4,234
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt August 16,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			10.00%
Interest, variable rate	[9],[23]			9.00%
Principal	[9],[23]			$ 4,478
Cost	[9],[23]			4,382
Fair value	[9],[23]			$ 4,382
Investment, Identifier [Axis]: Laredo Energy, LLC, Member Units May 04,2020
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,155,952
Cost	[9]			$ 11,560
Fair value	[9]			$ 9,659
Investment, Identifier [Axis]: LaserAway Intermediate Holdings II, LLC, Secured Debt October 18,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 4,130
Cost	[15],[23]			4,050
Fair value	[15],[23]			$ 4,115
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt May 09, 2019
Schedule of Investments [Line Items]
Interest rate	[14]	7.96%
Interest, variable rate	[14]	5.00%
Principal	[14]	$ 14,513
Cost	[14]	14,377
Fair value	[14]	$ 14,005
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt May 23, 2019
Schedule of Investments [Line Items]
Interest rate	[15]			5.22%
Interest, variable rate	[15]			5.00%
Principal	[15]			$ 14,625
Cost	[15]			14,460
Fair value	[15]			$ 14,442
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt January 08, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.87%
Interest, variable rate	[8],[21]	5.75%
Principal	[8],[21]	$ 19,662
Cost	[8],[21]	18,954
Fair value	[8],[21]	$ 17,941
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt January 08,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.75%
Interest, variable rate	[9],[23]			5.75%
Principal	[9],[23]			$ 25,850
Cost	[9],[23]			24,605
Fair value	[9],[23]			$ 24,428
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units July 01,2015
Schedule of Investments [Line Items]
Units (in shares)	[12],[13]			3
Cost	[12],[13]			$ 125
Fair value	[12],[13]			$ 25
Investment, Identifier [Axis]: Looking Glass Investments, LLC., Member Units July 01, 2015
Schedule of Investments [Line Items]
Units (in shares)	[10],[11]	3
Cost	[10],[11]	$ 125
Fair value	[10],[11]	$ 25
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt January 28,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 11,682
Cost	[15],[23]			11,531
Fair value	[15],[23]			$ 11,682
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt One January 28,2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21],[49]	9.08%
Interest, variable rate	[14],[20],[21],[49]	6.00%
Principal	[14],[20],[21],[49]	$ 6,816
Cost	[14],[20],[21],[49]	6,757
Fair value	[14],[20],[21],[49]	$ 6,763
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt Two January 28,2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	9.70%
Interest, variable rate	[14],[20],[21]	6.00%
Principal	[14],[20],[21]	$ 7,896
Cost	[14],[20],[21]	7,799
Fair value	[14],[20],[21]	$ 7,834
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units March 15,2019
Schedule of Investments [Line Items]
Units (in shares)				66,000
Cost				$ 4,400
Fair value				$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units One March 15, 2019
Schedule of Investments [Line Items]
Units (in shares)		66,000
Cost		$ 4,400
Fair value		$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units September 01, 2015
Schedule of Investments [Line Items]
Units (in shares)		4,000
Cost		$ 6,000
Fair value		$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units September 01,2015
Schedule of Investments [Line Items]
Units (in shares)				4,000
Cost				$ 6,000
Fair value				$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt August 31,2015
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 8,250
Cost				8,241
Fair value				$ 5,934
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt August 31, 2015
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 6,236
Cost		6,236
Fair value		$ 2,709
Investment, Identifier [Axis]: MS Private Loan Fund I, LP Interests January 26, 2021
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	14.51%
Cost	[10],[11],[26],[36]	$ 14,250
Fair value	[10],[11],[26],[36]	14,351
Investment, Identifier [Axis]: MS Private Loan Fund I, LP Secured Debt January 26, 2021
Schedule of Investments [Line Items]
Principal	[10],[11],[22]	0
Cost	[10],[11],[22]	0
Fair value	[10],[11],[22]	$ 0
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests January 26,2021
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[37]			12.10%
Cost	[12],[13],[37]			$ 2,500
Fair value	[12],[13],[37]			$ 2,581
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Unsecured Debt February 11,2021
Schedule of Investments [Line Items]
Interest rate	[12],[13]			5.00%
Principal	[12],[13]			$ 63,151
Cost	[12],[13]			63,151
Fair value	[12],[13]			63,151
Investment, Identifier [Axis]: MSC Adviser I, LLC, Common Stock November 22, 2013
Schedule of Investments [Line Items]
Units (in shares)	[26]	5,873
Investment, Identifier [Axis]: MSC Adviser I, LLC, Member Units November 22, 2013
Schedule of Investments [Line Items]
Units (in shares)	[26],[50]	1
Cost	[26],[50]	$ 29,500
Fair value	[26],[50]	$ 112,490
Investment, Identifier [Axis]: MSC Adviser I, LLC, Member Units November 22,2013
Schedule of Investments [Line Items]
Cost	[27],[51]			29,500
Fair value	[27],[51]			$ 140,400
Investment, Identifier [Axis]: MSC Income Fund, Inc., Common Equity May 02, 2022
Schedule of Investments [Line Items]
Units (in shares)	[10],[11],[26]	94,697
Cost	[10],[11],[26]	$ 750
Fair value	[10],[11],[26]	$ 761
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Preferred Stock October 01, 2019
Schedule of Investments [Line Items]
Interest rate	[8]	13.75%
PIK Rate	[8]	9.25%
Cost	[8]	$ 1,984
Fair value	[8]	$ 1,926
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Preferred Stock October 01,2019
Schedule of Investments [Line Items]
Interest rate	[9]			13.75%
PIK Rate	[9]			9.25%
Cost	[9]			$ 1,920
Fair value	[9]			$ 1,920
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt April 22,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			5.88%
Interest, variable rate	[9],[23]			5.25%
Principal	[9],[23]			$ 17,080
Cost	[9],[23]			16,995
Fair value	[9],[23]			$ 17,080
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt One April 22, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	7.87%
Interest, variable rate	[8],[21]	4.75%
Principal	[8],[21]	$ 1,786
Cost	[8],[21]	1,779
Fair value	[8],[21]	$ 1,768
Investment, Identifier [Axis]: Mac Lean-Fogg Company, Secured Debt Two April 22, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	7.87%
Interest, variable rate	[8],[21]	4.75%
Principal	[8],[21]	$ 15,163
Cost	[8],[21]	15,102
Fair value	[8],[21]	$ 15,011
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt March 15,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.25%
Principal	[9],[23]			$ 17,589
Cost	[9],[23]			17,267
Fair value	[9],[23]			$ 17,589
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt One March 15, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.42%
Interest, variable rate	[8],[21]	7.25%
Principal	[8],[21]	$ 1,643
Cost	[8],[21]	1,599
Fair value	[8],[21]	$ 1,586
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt Two March 15, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	11.09%
Interest, variable rate	[8],[21]	7.25%
Principal	[8],[21]	$ 15,324
Cost	[8],[21]	15,107
Fair value	[8],[21]	$ 14,791
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units July 28, 2017
Schedule of Investments [Line Items]
Units (in shares)		743,921
Cost		$ 16,642
Fair value		$ 0
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units July 28,2017
Schedule of Investments [Line Items]
Units (in shares)				743,921
Cost				$ 16,642
Fair value				$ 0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt One July 28, 2017
Schedule of Investments [Line Items]
Interest rate	[21]	13.38%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 5,000
Cost	[21]	5,000
Fair value	[21]	$ 5,000
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt One July 28,2017
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 3,400
Cost	[23]			3,400
Fair value	[23]			$ 3,400
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt Two July 28, 2017
Schedule of Investments [Line Items]
Interest rate	[29]	12.00%
PIK Rate	[29]	12.00%
Principal	[29]	$ 26,079
Cost	[29]	25,952
Fair value	[29]	$ 2,871
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt Two July 28,2017
Schedule of Investments [Line Items]
Interest rate	[30]			12.00%
PIK Rate	[30]			12.00%
Principal	[30]			$ 26,079
Cost	[30]			25,952
Fair value	[30]			$ 8,936
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt One April 04, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.25%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(66)
Fair value	[8],[20],[21],[22]	$ (66)
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt Two April 04, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.36%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 27,625
Cost	[8],[20],[21]	27,118
Fair value	[8],[20],[21]	$ 25,665
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt October 24, 2018
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.06%
Interest, variable rate	[8],[21]	6.25%
Principal	[8],[21]	$ 18,769
Cost	[8],[21]	18,533
Fair value	[8],[21]	$ 18,309
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt October 24,2018
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 17,781
Cost	[9],[23]			17,563
Fair value	[9],[23]			$ 17,781
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock August 30, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8],[11],[16]	44,445,814
Cost	[8],[11],[16]	$ 889
Fair value	[8],[11],[16]	$ 889
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt One May 24, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[11],[16],[21],[22]	7.00%
Principal	[8],[11],[16],[21],[22]	$ 0
Cost	[8],[11],[16],[21],[22]	(68)
Fair value	[8],[11],[16],[21],[22]	$ (68)
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt Three May 24, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[11],[16],[21]	8.51%
Interest, variable rate	[8],[11],[16],[21]	7.00%
Principal	[8],[11],[16],[21]	$ 17,038
Cost	[8],[11],[16],[21]	16,730
Fair value	[8],[11],[16],[21]	$ 16,808
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt Two May 24, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[11],[16],[21]	9.43%
Interest, variable rate	[8],[11],[16],[21]	7.00%
Principal	[8],[11],[16],[21]	$ 10,107
Cost	[8],[11],[16],[21]	9,912
Fair value	[8],[11],[16],[21]	9,677
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock August 18, 2014
Schedule of Investments [Line Items]
Cost	[26]	2,720
Fair value	[26]	20,700
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock August 18,2014
Schedule of Investments [Line Items]
Units (in shares)	[27]			5,873
Cost	[27]			$ 2,720
Fair value	[27]			$ 8,840
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt August 18,2014
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 6,378
Cost				6,377
Fair value				$ 6,378
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt One August 18, 2014
Schedule of Investments [Line Items]
Principal	[22]	0
Cost	[22]	0
Fair value	[22]	$ 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt Two August 18, 2014
Schedule of Investments [Line Items]
Interest rate		10.00%
Principal		$ 5,746
Cost		5,746
Fair value		$ 5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC, Member Units January 31, 2008
Schedule of Investments [Line Items]
Units (in shares)		2,955
Cost		$ 2,975
Fair value		$ 11,180
Investment, Identifier [Axis]: NAPCO Precast, LLC, Member Units January 31,2008
Schedule of Investments [Line Items]
Units (in shares)	[27]			2,955
Cost	[27]			$ 2,975
Fair value	[27]			$ 13,560
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt April 28, 2017
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.67%
Interest, variable rate	[8],[21]	5.50%
Principal	[8],[21]	$ 3,876
Cost	[8],[21]	3,859
Fair value	[8],[21]	$ 1,841
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt April 28,2017
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 3,987
Cost	[15],[23]			3,961
Fair value	[15],[23]			$ 2,758
Investment, Identifier [Axis]: NNE Partners, LLC, Secured Debt March 02, 2017
Schedule of Investments [Line Items]
Interest rate	[8]	10.86%
Interest, variable rate	[8]	9.25%
Principal	[8]	$ 24,781
Cost	[8]	24,736
Fair value	[8]	$ 24,073
Investment, Identifier [Axis]: NNE Partners, LLC, Secured Debt March 02,2017
Schedule of Investments [Line Items]
Interest rate	[9]			9.37%
Interest, variable rate	[9]			4.75%
PIK Rate	[9]			4.50%
Principal	[9]			$ 24,781
Cost	[9]			24,709
Fair value	[9]			$ 23,154
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units December 22, 2011
Schedule of Investments [Line Items]
Units (in shares)	[26]	65,962
Cost	[26]	$ 3,717
Fair value	[26]	$ 4,790
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units December 22,2011
Schedule of Investments [Line Items]
Units (in shares)	[27]			65,962
Cost	[27]			$ 3,717
Fair value	[27]			$ 6,440
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt December 21, 2017
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 2,080
Cost		2,080
Fair value		$ 2,080
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt December 21,2017
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 2,080
Cost				2,080
Fair value				$ 2,080
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt July 12, 2016
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.50%
Interest, variable rate	[8],[21]	6.25%
PIK Rate	[8],[21]	1.00%
Principal	[8],[21]	$ 4,490
Cost	[8],[21]	4,490
Fair value	[8],[21]	$ 4,333
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt July 12,2016
Schedule of Investments [Line Items]
Interest rate	[15],[23]			8.25%
Interest, variable rate	[15],[23]			6.25%
PIK Rate	[15],[23]			1.00%
Principal	[15],[23]			$ 4,598
Cost	[15],[23]			4,598
Fair value	[15],[23]			$ 4,552
Investment, Identifier [Axis]: NWN Corporation, Secured Debt May 07,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.50%
Interest, variable rate	[9],[23]			6.50%
Principal	[9],[23]			$ 42,972
Cost	[9],[23]			42,108
Fair value	[9],[23]			$ 42,323
Investment, Identifier [Axis]: NWN Corporation, Secured Debt One May 07, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.27%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 3,941
Cost	[8],[21]	3,832
Fair value	[8],[21]	$ 3,715
Investment, Identifier [Axis]: NWN Corporation, Secured Debt Two May 07, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.37%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 40,615
Cost	[8],[21]	40,014
Fair value	[8],[21]	$ 38,285
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Preferred Member Units December 31, 2020
Schedule of Investments [Line Items]
Units (in shares)		6,987
Cost		$ 6,987
Fair value		$ 7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Preferred Member Units December 31,2020
Schedule of Investments [Line Items]
Units (in shares)				6,987
Cost				$ 6,987
Fair value				$ 7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt One December 31,2020
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 10,500
Cost				10,412
Fair value				$ 10,412
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Three December 31, 2020
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 10,500
Cost		10,429
Fair value		$ 10,500
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Two December 31, 2020
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 18,281
Cost		18,160
Fair value		$ 18,281
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt Two December 31,2020
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 4,868
Cost				4,829
Fair value				$ 4,829
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units February 28, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	103,144,186
Cost	[26]	$ 8,213
Fair value	[26]	$ 1,110
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units February 28,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			86,400,000
Cost	[27]			$ 6,880
Fair value	[27]			$ 2,690
Investment, Identifier [Axis]: NexRev LLC, Secured Debt February 28,2018
Schedule of Investments [Line Items]
Interest rate				11.00%
Principal				$ 16,217
Cost				16,173
Fair value				$ 14,045
Investment, Identifier [Axis]: NexRev LLC, Secured Debt One February 28, 2018
Schedule of Investments [Line Items]
Interest rate		11.00%
Principal		$ 160
Cost		160
Fair value		$ 160
Investment, Identifier [Axis]: NexRev LLC, Secured Debt Two February 28, 2018
Schedule of Investments [Line Items]
Interest rate		11.00%
Principal		$ 12,265
Cost		12,110
Fair value		$ 9,053
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt December 18,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 31,425
Cost	[9],[23]			30,837
Fair value	[9],[23]			$ 31,368
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt One December 18, 2019
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	6.75%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(2)
Fair value	[8],[21],[22]	$ 0
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt Three December 18, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.53%
Interest, variable rate	[8],[21]	6.75%
Principal	[8],[21]	$ 21,666
Cost	[8],[21]	21,387
Fair value	[8],[21]	$ 21,666
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt Two December 18, 2019
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	6.75%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(43)
Fair value	[8],[21],[22]	$ (43)
Investment, Identifier [Axis]: Northstar Group Services, Inc, Secured Debt November 01, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.62%
Interest, variable rate	[8],[21]	5.50%
Principal	[8],[21]	$ 9,742
Cost	[8],[21]	9,702
Fair value	[8],[21]	$ 9,535
Investment, Identifier [Axis]: Northstar Group Services, Inc, Secured Debt November 01,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 10,000
Cost	[15],[23]			9,952
Fair value	[15],[23]			$ 10,034
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units January 31, 2017
Schedule of Investments [Line Items]
Units (in shares)		406
Cost		$ 10,200
Fair value		$ 10,200
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units January 31,2017
Schedule of Investments [Line Items]
Units (in shares)				406
Cost				$ 10,200
Fair value				$ 13,500
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt One January 31, 2017
Schedule of Investments [Line Items]
Interest rate	[21]	9.13%
Interest, variable rate	[21]	6.50%
Principal	[21]	$ 4,400
Cost	[21]	4,399
Fair value	[21]	$ 4,399
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt One January 31,2017
Schedule of Investments [Line Items]
Interest rate	[23]			7.50%
Interest, variable rate	[23]			6.50%
Principal	[23]			$ 1,720
Cost	[23]			1,720
Fair value	[23]			$ 1,720
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt Two January 31, 2017
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 18,440
Cost		18,411
Fair value		$ 18,411
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt Two January 31,2017
Schedule of Investments [Line Items]
Interest rate				11.00%
Principal				$ 17,240
Cost				17,236
Fair value				$ 17,240
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units April 01, 2008
Schedule of Investments [Line Items]
Units (in shares)	[26]	900
Cost	[26]	$ 1,080
Fair value	[26]	$ 20,680
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units April 01,2008
Schedule of Investments [Line Items]
Units (in shares)	[27]			900
Cost	[27]			$ 1,080
Fair value	[27]			$ 20,210
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt August 31, 2021
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 16,250
Cost		16,122
Fair value		$ 16,250
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt August 31,2021
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 18,000
Cost				17,831
Fair value				$ 18,000
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt November 29, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.34%
Interest, variable rate	[8],[21]	6.25%
Principal	[8],[21]	$ 13,965
Cost	[8],[21]	13,843
Fair value	[8],[21]	$ 13,057
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt November 29,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 14,000
Cost	[9],[23]			13,861
Fair value	[9],[23]			$ 13,861
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Common Stock April 15, 2011
Schedule of Investments [Line Items]
Units (in shares)		635
Cost		$ 830
Fair value		$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Common Stock April 15,2021
Schedule of Investments [Line Items]
Units (in shares)				635
Cost				$ 830
Fair value				$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock April 18, 2011
Schedule of Investments [Line Items]
Units (in shares)	[29]	912
Interest rate	[29]	7.00%
PIK Rate	[29]	7.00%
Cost	[29]	$ 1,981
Fair value	[29]	$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock April 18,2011
Schedule of Investments [Line Items]
Units (in shares)				912
Interest rate				7.00%
PIK Rate				7.00%
Cost				$ 1,981
Fair value				$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt April 18, 2011
Schedule of Investments [Line Items]
Interest rate	[29]	12.00%
PIK Rate	[29]	12.00%
Principal	[29]	$ 4,415
Cost	[29]	4,415
Fair value	[29]	$ 3,160
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt April 18,2011
Schedule of Investments [Line Items]
Interest rate				12.00%
PIK Rate				12.00%
Principal				$ 4,286
Cost				4,286
Fair value				$ 4,286
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt March 21, 2014
Schedule of Investments [Line Items]
Interest rate	[29]	12.00%
PIK Rate	[29]	12.00%
Principal	[29]	$ 983
Cost	[29]	983
Fair value	[29]	$ 703
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt March 21,2014
Schedule of Investments [Line Items]
Interest rate				12.00%
PIK Rate				12.00%
Principal				$ 954
Cost				954
Fair value				$ 954
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt May 10, 2013
Schedule of Investments [Line Items]
Interest rate	[29]	12.00%
PIK Rate	[29]	12.00%
Principal	[29]	$ 2,116
Cost	[29]	2,116
Fair value	[29]	$ 1,515
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt May 10,2013
Schedule of Investments [Line Items]
Interest rate				12.00%
PIK Rate				12.00%
Principal				$ 2,055
Cost				2,055
Fair value				$ 2,055
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt May 20, 2014
Schedule of Investments [Line Items]
Interest rate	[29]	12.00%
PIK Rate	[29]	12.00%
Principal	[29]	$ 964
Cost	[29]	964
Fair value	[29]	$ 690
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt May 20,2014
Schedule of Investments [Line Items]
Interest rate				12.00%
PIK Rate				12.00%
Principal				$ 935
Cost				935
Fair value				$ 935
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt June 05, 2017
Schedule of Investments [Line Items]
Interest rate	[29]	10.00%
PIK Rate	[29]	10.00%
Principal	[29]	$ 197
Cost	[29]	197
Fair value	[29]	$ 197
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt June 05,2017
Schedule of Investments [Line Items]
Interest rate				10.00%
PIK Rate				10.00%
Principal				$ 192
Cost				192
Fair value				$ 192
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants April 18, 2011
Schedule of Investments [Line Items]
Units (in shares)	[24]	4,699
Cost	[24]	$ 1,089
Fair value	[24]	$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants April 18,2011
Schedule of Investments [Line Items]
Units (in shares)	[25]			4,699
Cost	[25]			$ 1,089
Fair value	[25]			$ 0
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock August 06, 2021
Schedule of Investments [Line Items]
Units (in shares)		1,056
Cost		$ 1,056
Fair value		$ 1,056
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock August 06,2021
Schedule of Investments [Line Items]
Units (in shares)				1,056
Cost				$ 1,056
Fair value				$ 1,056
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt August 06,2021
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 5,600
Cost	[23]			5,547
Fair value	[23]			$ 5,547
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt One August 06, 2021
Schedule of Investments [Line Items]
PIK Rate	[21],[22]	11.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt Two August 06, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	13.56%
PIK Rate	[21]	11.00%
Principal	[21]	$ 5,600
Cost	[21]	5,556
Fair value	[21]	$ 5,556
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock July 30, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	10,000
Cost	[26],[35]	$ 10,000
Fair value	[26],[35]	$ 10,000
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock July 30,2021
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			10,000
Cost	[27],[34]			$ 10,000
Fair value	[27],[34]			$ 10,000
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt July 30,2021
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 24,375
Cost	[23]			24,151
Fair value	[23]			$ 24,151
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt One July 30, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	11.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	0
Fair value	[21],[22]	$ 0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt Two July 30, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	13.63%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 23,600
Cost	[21]	23,417
Fair value	[21]	$ 23,417
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt July 08, 2013
Schedule of Investments [Line Items]
Interest rate	[8],[29]	11.50%
Principal	[8],[29]	$ 4,511
Cost	[8],[29]	4,511
Fair value	[8],[29]	$ 61
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt July 08,2013
Schedule of Investments [Line Items]
Interest rate	[9],[28]			11.50%
Principal	[9],[28]			$ 4,562
Cost	[9],[28]			4,562
Fair value	[9],[28]			$ 112
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock One June 10, 2010
Schedule of Investments [Line Items]
Units (in shares)	[26]	2,000
Cost	[26]	$ 2,150
Fair value	[26]	$ 19,510
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock Two June 14, 2022
Schedule of Investments [Line Items]
Units (in shares)		156,574
Cost		$ 157
Fair value		$ 157
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt November 15,2016
Schedule of Investments [Line Items]
Interest rate	[23]			7.50%
Interest, variable rate	[23]			7.00%
Principal	[23]			$ 11,655
Cost	[23]			11,655
Fair value	[23]			$ 11,655
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt October 31,2019
Schedule of Investments [Line Items]
Interest rate	[23]			7.50%
Interest, variable rate	[23]			7.00%
Principal	[23]			$ 750
Cost	[23]			726
Fair value	[23]			$ 726
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt One October 31, 2019
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	7.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	(9)
Fair value	[21],[22]	$ (9)
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt Two November 15, 2016
Schedule of Investments [Line Items]
Interest rate	[21]	8.75%
Interest, variable rate	[21]	7.00%
Principal	[21]	$ 19,655
Cost	[21]	19,416
Fair value	[21]	$ 19,655
Investment, Identifier [Axis]: PPL RVs, Inc.,Common Stock June 10,2010
Schedule of Investments [Line Items]
Units (in shares)	[27]			2,000
Cost	[27]			$ 2,150
Fair value	[27]			$ 14,360
Investment, Identifier [Axis]: PT Network, LLC, Common Stock January 01,2020
Schedule of Investments [Line Items]
Units (in shares)	[9]			2
Cost	[9]			$ 0
Fair value	[9]			$ 80
Investment, Identifier [Axis]: PT Network, LLC, Secured Debt October 12,2017
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.50%
Interest, variable rate	[9],[23]			5.50%
PIK Rate	[9],[23]			2.00%
Principal	[9],[23]			$ 8,889
Cost	[9],[23]			8,889
Fair value	[9],[23]			$ 8,889
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt One August 19, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	8.25%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(184)
Fair value	[8],[20],[21],[22]	$ (184)
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt Two August 19, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.40%
Interest, variable rate	[8],[20],[21]	8.25%
Principal	[8],[20],[21]	$ 28,625
Cost	[8],[20],[21]	28,074
Fair value	[8],[20],[21]	$ 28,074
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt One January 19, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	5.75%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(111)
Fair value	[8],[20],[21],[22]	$ (111)
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt Three January 19, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.40%
Interest, variable rate	[8],[20],[21]	5.75%
Principal	[8],[20],[21]	$ 18,293
Cost	[8],[20],[21]	17,825
Fair value	[8],[20],[21]	$ 17,330
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt Two January 19, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.45%
Interest, variable rate	[8],[20],[21]	5.75%
Principal	[8],[20],[21]	$ 1,620
Cost	[8],[20],[21]	1,523
Fair value	[8],[20],[21]	$ 1,534
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Member Units April 27, 2020
Schedule of Investments [Line Items]
Units (in shares)	[26]	13,800
Cost	[26]	$ 13,000
Fair value	[26]	41,820
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Member Units April 27,2020
Schedule of Investments [Line Items]
Units (in shares)	[27]			13,800
Cost	[27]			$ 13,000
Fair value	[27]			$ 26,970
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt April 27,2020
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 32,674
Cost				32,438
Fair value				$ 32,674
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt One April 27, 2020
Schedule of Investments [Line Items]
Principal	[22]	0
Cost	[22]	0
Fair value	[22]	$ 0
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt Three April 27, 2020
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 28,681
Cost		28,521
Fair value		$ 28,681
Investment, Identifier [Axis]: Principle Environmental, LLC, Common Stock January 27, 2021
Schedule of Investments [Line Items]
Units (in shares)		1,037
Cost		$ 1,200
Fair value		$ 790
Investment, Identifier [Axis]: Principle Environmental, LLC, Common Stock January 27,2021
Schedule of Investments [Line Items]
Units (in shares)				1,037
Cost				$ 1,200
Fair value				$ 710
Investment, Identifier [Axis]: Principle Environmental, LLC, Preferred Member Units February 01, 2011
Schedule of Investments [Line Items]
Units (in shares)	[26]	21,806
Cost	[26]	$ 5,709
Fair value	[26]	$ 12,230
Investment, Identifier [Axis]: Principle Environmental, LLC, Preferred Member Units February 01,2011
Schedule of Investments [Line Items]
Units (in shares)				21,806
Cost				$ 5,709
Fair value				$ 11,160
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt February 01,2011
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 1,473
Cost				1,465
Fair value				$ 1,465
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt July 01,2011
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 5,924
Cost				5,808
Fair value				$ 5,808
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt Two February 01, 2011
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 5,897
Cost		5,800
Fair value		$ 5,800
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt July 06,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.75%
Interest, variable rate	[9],[23]			6.75%
Principal	[9],[23]			$ 29,738
Cost	[9],[23]			29,151
Fair value	[9],[23]			$ 29,714
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt One July 06, 2020
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	6.50%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(20)
Fair value	[8],[21],[22]	$ (20)
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt Two July 06, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.33%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 29,550
Cost	[8],[21]	29,083
Fair value	[8],[21]	$ 28,831
Investment, Identifier [Axis]: Quality Lease Service, LLC, Member Units June 08, 2015
Schedule of Investments [Line Items]
Units (in shares)		1,000
Cost		$ 7,613
Fair value		$ 625
Investment, Identifier [Axis]: Quality Lease Service, LLC, Member Units June 08,2015
Schedule of Investments [Line Items]
Units (in shares)				1,000
Cost				$ 9,213
Fair value				$ 2,149
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt April 08,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.75%
Interest, variable rate	[9],[23]			6.75%
Principal	[9],[23]			$ 19,374
Cost	[9],[23]			19,193
Fair value	[9],[23]			$ 18,352
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt One April 08, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.75%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(12)
Fair value	[8],[20],[21],[22]	$ (12)
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt Two April 08, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.03%
Interest, variable rate	[8],[20],[21]	6.75%
Principal	[8],[20],[21]	$ 13,369
Cost	[8],[20],[21]	13,231
Fair value	[8],[20],[21]	$ 12,252
Investment, Identifier [Axis]: RM Bidder, LLC, Member Units November 12,2015
Schedule of Investments [Line Items]
Units (in shares)	[9]			2,779
Cost	[9]			$ 46
Fair value	[9]			$ 26
Investment, Identifier [Axis]: RM Bidder, LLC, Warrants November 12,2015
Schedule of Investments [Line Items]
Units (in shares)	[9],[52]			187,161
Cost	[9],[52]			$ 425
Fair value	[9],[52]			$ 0
Investment, Identifier [Axis]: RM Bidder, LLC., Member Units November 12, 2015
Schedule of Investments [Line Items]
Units (in shares)	[8]	2,779
Cost	[8]	$ 46
Fair value	[8]	$ 24
Investment, Identifier [Axis]: RM Bidder, LLC., Warrants November 12, 2015
Schedule of Investments [Line Items]
Units (in shares)	[8],[53]	187,161
Cost	[8],[53]	$ 425
Fair value	[8],[53]	$ 0
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt One September 01, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.59%
Interest, variable rate	[8],[21]	7.75%
Principal	[8],[21]	$ 2,534
Cost	[8],[21]	2,514
Fair value	[8],[21]	$ 2,417
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt September 01,2020
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.00%
Interest, variable rate	[9],[23]			7.75%
Principal	[9],[23]			$ 18,191
Cost	[9],[23]			17,997
Fair value	[9],[23]			$ 18,191
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt Two September 01, 2020
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.03%
Interest, variable rate	[8],[21]	7.75%
Principal	[8],[21]	$ 16,838
Cost	[8],[21]	16,708
Fair value	[8],[21]	$ 16,062
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt December 29, 2017
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	8.84%
Interest, variable rate	[14],[20],[21]	5.50%
Principal	[14],[20],[21]	$ 19,966
Cost	[14],[20],[21]	19,717
Fair value	[14],[20],[21]	$ 18,128
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt December 29,2017
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 20,124
Cost	[15],[23]			19,789
Fair value	[15],[23]			$ 19,899
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units December 20, 2013
Schedule of Investments [Line Items]
Units (in shares)	[35]	1,500
Cost	[35]	$ 369
Fair value	[35]	$ 3,460
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units December 20,2013
Schedule of Investments [Line Items]
Units (in shares)	[27],[34]			1,500
Cost	[27],[34]			$ 369
Fair value	[27],[34]			$ 3,280
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity December 15, 2021
Schedule of Investments [Line Items]
Units (in shares)		11,070
Cost		$ 11,070
Fair value		$ 15,210
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity December 15,2021
Schedule of Investments [Line Items]
Units (in shares)				11,070
Cost				$ 11,070
Fair value				$ 11,070
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt December 15,2021
Schedule of Investments [Line Items]
Interest rate	[23]			12.00%
Interest, variable rate	[23]			11.00%
Principal	[23]			$ 36,360
Cost	[23]			35,956
Fair value	[23]			$ 35,956
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt One December 15, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[21],[22]	11.00%
Principal	[21],[22]	$ 0
Cost	[21],[22]	(38)
Fair value	[21],[22]	$ (38)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt Two December 15, 2021
Schedule of Investments [Line Items]
Interest rate	[21]	13.63%
Interest, variable rate	[21]	11.00%
Principal	[21]	$ 35,910
Cost	[21]	35,609
Fair value	[21]	$ 35,609
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Preferred Member Units January 08,2013
Schedule of Investments [Line Items]
Units (in shares)				250
Cost				$ 2,500
Fair value				$ 0
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Secured Debt June 30,2015
Schedule of Investments [Line Items]
Interest rate	[28],[30],[54]			12.00%
Principal	[28],[30],[54]			$ 30,369
Cost	[28],[30],[54]			29,865
Fair value	[28],[30],[54]			$ 0
Investment, Identifier [Axis]: Rocaceia, LLC Preferred Member Unit January 08, 2013
Schedule of Investments [Line Items]
Units (in shares)		250
Cost		$ 2,500
Fair value		$ 0
Investment, Identifier [Axis]: Rocaceia, LLC Secured Debt June 30, 2015
Schedule of Investments [Line Items]
Interest rate	[29],[33],[55]	12.00%
Principal	[29],[33],[55]	$ 30,369
Cost	[29],[33],[55]	29,865
Fair value	[29],[33],[55]	$ 0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt August 27,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.00%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 2,800
Cost	[9],[23]			2,704
Fair value	[9],[23]			$ 2,704
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt One August 27, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	6.50%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(12)
Fair value	[8],[21],[22]	$ (12)
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt Three August 27, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.78%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 3,173
Cost	[8],[21]	3,122
Fair value	[8],[21]	$ 3,087
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt Two August 27, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.78%
Interest, variable rate	[8],[21]	6.50%
Principal	[8],[21]	$ 2,333
Cost	[8],[21]	2,288
Fair value	[8],[21]	$ 2,270
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt July 16,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 11,145
Cost	[9],[23]			10,902
Fair value	[9],[23]			$ 10,902
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt One July 16, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.99%
Interest, variable rate	[8],[20],[21]	8.25%
PIK Rate	[8],[20],[21]	2.00%
Principal	[8],[20],[21]	$ 5,625
Cost	[8],[20],[21]	5,585
Fair value	[8],[20],[21]	$ 5,033
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt Two July 16, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	11.99%
Interest, variable rate	[8],[20],[21]	8.25%
PIK Rate	[8],[20],[21]	2.00%
Principal	[8],[20],[21]	$ 8,340
Cost	[8],[20],[21]	8,207
Fair value	[8],[20],[21]	$ 7,462
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units August 31, 2018
Schedule of Investments [Line Items]
Units (in shares)	[26]	157
Cost	[26]	$ 1,218
Fair value	[26]	$ 14,950
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units August 31,2018
Schedule of Investments [Line Items]
Units (in shares)	[27]			157
Cost	[27]			$ 1,218
Fair value	[27]			$ 11,570
Investment, Identifier [Axis]: SI East, LLC, Secured Debt August 31,2018
Schedule of Investments [Line Items]
Interest rate				10.25%
Principal				$ 65,850
Cost				65,738
Fair value				$ 65,850
Investment, Identifier [Axis]: SI East, LLC, Senior Debt One August 31, 2018
Schedule of Investments [Line Items]
Interest rate		10.25%
Principal		$ 2,250
Cost		2,250
Fair value		$ 2,250
Investment, Identifier [Axis]: SI East, LLC, Senior Debt Two August 31, 2018
Schedule of Investments [Line Items]
Interest rate		10.25%
Principal		$ 93,236
Cost		93,124
Fair value		$ 93,236
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity October 29, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	95,238
Cost	[8]	$ 200
Fair value	[8]	$ 200
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity October 29,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			95,238
Cost	[9]			$ 200
Fair value	[9]			$ 200
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt October 29,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.00%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 6,282
Cost	[9],[23]			6,134
Fair value	[9],[23]			$ 6,145
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt One October 29, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.81%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 323
Cost	[8],[20],[21]	314
Fair value	[8],[20],[21]	$ 298
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt Three October 29, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.14%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 7,845
Cost	[8],[20],[21]	7,712
Fair value	[8],[20],[21]	$ 7,238
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt Two October 29, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.81%
Interest, variable rate	[8],[20],[21]	6.25%
Principal	[8],[20],[21]	$ 1,573
Cost	[8],[20],[21]	1,545
Fair value	[8],[20],[21]	$ 1,451
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock July 01, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8]	638,710
Cost	[8]	$ 639
Fair value	[8]	$ 639
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt One July 01, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	7.50%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(61)
Fair value	[8],[20],[21],[22]	$ (61)
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt Two July 01, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.58%
Interest, variable rate	[8],[20],[21]	7.50%
Principal	[8],[20],[21]	$ 15,968
Cost	[8],[20],[21]	15,664
Fair value	[8],[20],[21]	$ 15,664
Investment, Identifier [Axis]: Salient Partners L.P., Secured Debt August 31,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 6,251
Cost	[15],[23]			6,247
Fair value	[15],[23]			$ 4,063
Investment, Identifier [Axis]: Salient Partners L.P., Secured Debt One August 31, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.67%
Interest, variable rate	[14],[21]	6.00%
Principal	[14],[21]	$ 6,251
Cost	[14],[21]	6,250
Fair value	[14],[21]	$ 5,039
Investment, Identifier [Axis]: Salient Partners L.P., Secured Debt Two September 30, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.67%
Interest, variable rate	[14],[21]	6.00%
Principal	[14],[21]	$ 1,250
Cost	[14],[21]	1,250
Fair value	[14],[21]	$ 2,494
Investment, Identifier [Axis]: Savers, Inc., Secured Debt May 14, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[21]	9.17%
Interest, variable rate	[14],[21]	5.50%
Principal	[14],[21]	$ 11,315
Cost	[14],[21]	11,223
Fair value	[14],[21]	$ 10,918
Investment, Identifier [Axis]: Savers, Inc., Secured Debt May 14,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.25%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 11,400
Cost	[15],[23]			11,295
Fair value	[15],[23]			$ 11,386
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock September 13, 2018
Schedule of Investments [Line Items]
Units (in shares)		70,000
Cost		$ 700
Fair value		$ 1,640
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock September 13,2018
Schedule of Investments [Line Items]
Units (in shares)				70,000
Cost				$ 700
Fair value				$ 1,510
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt September 13, 2018
Schedule of Investments [Line Items]
Interest rate		11.00%
Principal		$ 4,240
Cost		4,209
Fair value		$ 4,240
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt September 13,2018
Schedule of Investments [Line Items]
Interest rate				13.00%
Principal				$ 5,320
Cost				5,248
Fair value				$ 5,320
Investment, Identifier [Axis]: Slick Innovations, LLC, Warrants September 13, 2018
Schedule of Investments [Line Items]
Units (in shares)	[24]	18,084
Cost	[24]	$ 181
Fair value	[24]	$ 440
Investment, Identifier [Axis]: Slick Innovations, LLC, Warrants September 13,2018
Schedule of Investments [Line Items]
Units (in shares)	[25]			18,084
Cost	[25]			$ 181
Fair value	[25]			$ 400
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock August 20, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	9,968
Cost	[8]	$ 1,356
Fair value	[8]	$ 1,420
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock August 20,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			7,866
Cost	[9]			$ 1,070
Fair value	[9]			$ 1,070
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt August 20, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.78%
Interest, variable rate	[8],[21]	7.50%
Principal	[8],[21]	$ 15,769
Cost	[8],[21]	15,510
Fair value	[8],[21]	$ 15,613
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt August 20,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.50%
Interest, variable rate	[9],[23]			7.50%
Principal	[9],[23]			$ 11,982
Cost	[9],[23]			11,757
Fair value	[9],[23]			$ 11,757
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity December 10, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	863,636
Cost	[8]	$ 864
Fair value	[8]	$ 1,068
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity December 10,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			863,636
Cost	[9]			$ 864
Fair value	[9]			$ 864
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt December 10,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 50,704
Cost	[9],[23]			49,589
Fair value	[9],[23]			$ 49,589
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt One December 10, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	5.75%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(75)
Fair value	[8],[21],[22]	$ (75)
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt Two December 10, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.74%
Interest, variable rate	[8],[21]	5.75%
Principal	[8],[21]	$ 41,359
Cost	[8],[21]	40,664
Fair value	[8],[21]	$ 40,772
Investment, Identifier [Axis]: Staples Canada ULC, Secured Debt September 14, 2017
Schedule of Investments [Line Items]
Interest rate	[8],[11],[16],[21],[56]	10.19%
Interest, variable rate	[8],[11],[16],[21],[56]	7.00%
Principal	[8],[11],[16],[21],[56]	$ 14,334
Cost	[8],[11],[16],[21],[56]	14,286
Fair value	[8],[11],[16],[21],[56]	$ 12,816
Investment, Identifier [Axis]: Staples Canada ULC, Secured Debt September 14,2017
Schedule of Investments [Line Items]
Interest rate	[9],[13],[23],[45],[57]			8.00%
Interest, variable rate	[9],[13],[23],[45],[57]			7.00%
Principal	[9],[13],[23],[45],[57]			$ 16,116
Cost	[9],[13],[23],[45],[57]			16,039
Fair value	[9],[13],[23],[45],[57]			$ 15,620
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt October 22, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	8.41%
Interest, variable rate	[14],[20],[21]	5.50%
Principal	[14],[20],[21]	$ 7,642
Cost	[14],[20],[21]	7,576
Fair value	[14],[20],[21]	$ 7,107
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt October 22,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.25%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 7,700
Cost	[15],[23]			7,625
Fair value	[15],[23]			$ 7,700
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt June 25,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			9.00%
Interest, variable rate	[9],[23]			8.00%
Principal	[9],[23]			$ 10,969
Cost	[9],[23]			10,753
Fair value	[9],[23]			$ 10,826
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt One June 15, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	8.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(11)
Fair value	[8],[21],[22]	$ (11)
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt Three September 30, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	11.75%
Interest, variable rate	[8],[21]	9.50%
Principal	[8],[21]	$ 4,338
Cost	[8],[21]	4,271
Fair value	[8],[21]	$ 1,286
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt Two September 30, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[21]	10.25%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 6,250
Cost	[8],[21]	6,156
Fair value	[8],[21]	$ 5,141
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units August 31, 2020
Schedule of Investments [Line Items]
Units (in shares)		1,571
Cost		$ 4,500
Fair value		$ 4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units August 31,2020
Schedule of Investments [Line Items]
Units (in shares)				1,571
Cost				$ 4,500
Fair value				$ 4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt August 31, 2020
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 21,500
Cost		21,367
Fair value		$ 21,367
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt August 31,2020
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 21,500
Cost				21,332
Fair value				$ 21,332
Investment, Identifier [Axis]: Tacala Investment Corp., Secured Debt March 19,2021
Schedule of Investments [Line Items]
Interest rate	[23],[58]			4.25%
Interest, variable rate	[23],[58]			3.50%
PIK Rate				2.00%
Principal	[23],[58]			$ 1,995
Cost	[23],[58]			1,995
Fair value	[23],[58]			$ 1,994
Investment, Identifier [Axis]: Tacala Investment Corp., Secured Debt May 19, 2021
Schedule of Investments [Line Items]
Interest rate	[21],[59],[60]	6.62%
Interest, variable rate	[21],[59],[60]	3.50%
Principal	[21],[59],[60]	$ 1,979
Cost	[21],[59],[60]	1,979
Fair value	[21],[59],[60]	$ 1,855
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt December 22, 2020
Schedule of Investments [Line Items]
Interest rate	[14],[21]	7.81%
Interest, variable rate	[14],[21]	5.00%
Principal	[14],[21]	$ 15,002
Cost	[14],[21]	14,714
Fair value	[14],[21]	$ 14,327
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt December 22,2020
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.00%
Interest, variable rate	[15],[23]			5.00%
Principal	[15],[23]			$ 15,109
Cost	[15],[23]			14,778
Fair value	[15],[23]			$ 15,071
Investment, Identifier [Axis]: Tectonic Financial, LLC, Common Stock May 15,2017
Schedule of Investments [Line Items]
Units (in shares)	[27]			200,000
Cost	[27]			$ 2,000
Fair value	[27]			$ 4,650
Investment, Identifier [Axis]: Tectonic Financial, LLC., Common Stock May 15, 2017
Schedule of Investments [Line Items]
Units (in shares)	[26]	200,000
Cost	[26]	$ 2,000
Fair value	[26]	$ 5,630
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units August 31, 2018
Schedule of Investments [Line Items]
Units (in shares)		533
Cost		$ 9,068
Fair value		$ 7,137
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units August 31,2018
Schedule of Investments [Line Items]
Units (in shares)				505
Cost				$ 8,579
Fair value				$ 8,579
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt August 31,2018
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 16,240
Cost				16,181
Fair value				$ 16,181
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt One August 31, 2018
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 1,840
Cost		1,840
Fair value		$ 1,840
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt Two August 31, 2018
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 15,200
Cost		15,188
Fair value		$ 15,117
Investment, Identifier [Axis]: Televerde, LLC, Member Units January 06, 2011
Schedule of Investments [Line Items]
Units (in shares)		460
Cost		$ 1,290
Fair value		$ 5,204
Investment, Identifier [Axis]: Televerde, LLC, Member Units January 06,2011
Schedule of Investments [Line Items]
Units (in shares)				460
Cost				$ 1,290
Fair value				$ 7,280
Investment, Identifier [Axis]: Televerde, LLC, Preferred Stock January 26, 2022
Schedule of Investments [Line Items]
Units (in shares)		248
Cost		$ 718
Fair value		$ 1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Common Stock July 07,2021
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			1,000,000
Cost	[9],[34]			$ 1,000
Fair value	[9],[34]			$ 1,000
Investment, Identifier [Axis]: Tex Tech Tennis, LLC., Common Stock July 07, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8],[35]	1,000,000
Cost	[8],[35]	$ 1,000
Fair value	[8],[35]	$ 1,380
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock August 09,2021
Schedule of Investments [Line Items]
Units (in shares)	[27]			1,280,000
Cost	[27]			$ 6,400
Fair value	[27]			$ 6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt August 09,2021
Schedule of Investments [Line Items]
Interest rate				7.00%
Principal				$ 280
Cost				262
Fair value				$ 262
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt One August 09,2021
Schedule of Investments [Line Items]
Interest rate				11.83%
Principal				$ 12,961
Cost				12,834
Fair value				$ 12,834
Investment, Identifier [Axis]: The Affiliati Network, LLC., Preferred Stock August 09, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26]	1,280,000
Cost	[26]	$ 6,400
Fair value	[26]	6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC., Secured Debt August 09, 2021
Schedule of Investments [Line Items]
Cost	[22]	(15)
Fair value	[22]	(15)
Investment, Identifier [Axis]: The Affiliati Network, LLC., Secured Debt One August 09, 2021
Schedule of Investments [Line Items]
Principal	[22]	$ 0
Investment, Identifier [Axis]: The Affiliati Network, LLC., Secured Debt Two August 09, 2021
Schedule of Investments [Line Items]
Interest rate		13.00%
Principal		$ 11,241
Cost		11,149
Fair value		$ 11,149
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock May 31, 2019
Schedule of Investments [Line Items]
Units (in shares)	[26]	615
Cost	[26]	$ 4,655
Fair value	[26]	7,420
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock May 31,2019
Schedule of Investments [Line Items]
Units (in shares)	[27]			615
Cost	[27]			$ 4,655
Fair value	[27]			$ 8,660
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt May 31,2019
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 8,720
Cost				8,663
Fair value				$ 8,712
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt One May 31, 2019
Schedule of Investments [Line Items]
Principal	[22]	0
Cost	[22]	(5)
Fair value	[22]	$ (5)
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt Two May 31, 2019
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 8,320
Cost		8,288
Fair value		$ 8,320
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt May 17, 2017
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	11.57%
Interest, variable rate	[14],[20],[21]	8.50%
PIK Rate	[14],[20],[21]	7.25%
Principal	[14],[20],[21]	$ 18,018
Cost	[14],[20],[21]	17,945
Fair value	[14],[20],[21]	$ 7,838
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt May 17,2017
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 17,088
Cost	[15],[23]			16,985
Fair value	[15],[23]			$ 12,917
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt October 22, 2019
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.27%
Interest, variable rate	[8],[21]	5.75%
Principal	[8],[21]	$ 33,747
Cost	[8],[21]	33,161
Fair value	[8],[21]	$ 33,110
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt October 22,2019
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.75%
Interest, variable rate	[9],[23]			5.75%
Principal	[9],[23]			$ 37,281
Cost	[9],[23]			36,510
Fair value	[9],[23]			$ 37,281
Investment, Identifier [Axis]: UniTek Global Services, Inc., Common Stock April 01,2020
Schedule of Investments [Line Items]
Units (in shares)	[15]			945,507
Cost	[15]			$ 0
Fair value	[15]			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock August 21,2018
Schedule of Investments [Line Items]
Units (in shares)	[15]			1,521,122
Interest rate	[15]			20.00%
PIK Rate	[15]			20.00%
Cost	[15]			$ 2,188
Fair value	[15]			$ 1,498
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock August 29,2019
Schedule of Investments [Line Items]
Units (in shares)	[15],[27]			1,133,102
Interest rate	[15],[27]			20.00%
PIK Rate	[15],[27]			20.00%
Cost	[15],[27]			$ 1,757
Fair value	[15],[27]			$ 2,833
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock January 15,2015
Schedule of Investments [Line Items]
Units (in shares)	[15]			4,336,866
Interest rate	[15]			13.50%
PIK Rate	[15]			13.50%
Cost	[15]			$ 7,924
Fair value	[15]			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock June 30,2017
Schedule of Investments [Line Items]
Units (in shares)	[15]			2,281,682
Interest rate	[15]			19.00%
PIK Rate	[15]			19.00%
Cost	[15]			$ 3,667
Fair value	[15]			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt January 01,2021
Schedule of Investments [Line Items]
Interest rate	[15]			15.00%
PIK Rate	[15]			15.00%
Principal	[15]			$ 1,197
Cost	[15]			1,197
Fair value	[15]			$ 2,375
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt August 27,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			8.50%
Interest, variable rate	[15],[23]			5.50%
PIK Rate	[15],[23]			2.00%
Principal	[15],[23]			$ 1,986
Cost	[15],[23]			1,974
Fair value	[15],[23]			$ 1,852
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt October 15,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			8.50%
Interest, variable rate	[15],[23]			5.50%
PIK Rate	[15],[23]			2.00%
Principal	[15],[23]			$ 397
Cost	[15],[23]			396
Fair value	[15],[23]			$ 371
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Common Stock April 01, 2020
Schedule of Investments [Line Items]
Units (in shares)	[14]	945,507
Cost	[14]	$ 0
Fair value	[14]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Preferred Stock August 21, 2018
Schedule of Investments [Line Items]
Units (in shares)	[14]	1,521,122
Interest rate	[14]	20.00%
PIK Rate	[14]	20.00%
Cost	[14]	$ 2,188
Fair value	[14]	$ 1,651
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Preferred Stock August 29, 2019
Schedule of Investments [Line Items]
Units (in shares)	[14],[26]	1,133,102
Interest rate	[14],[26]	20.00%
PIK Rate	[14],[26]	20.00%
Cost	[14],[26]	$ 2,037
Fair value	[14],[26]	$ 2,833
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Preferred Stock January 15, 2015
Schedule of Investments [Line Items]
Units (in shares)	[14]	4,336,866
Interest rate	[14]	13.50%
PIK Rate	[14]	13.50%
Cost	[14]	$ 7,924
Fair value	[14]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Preferred Stock June 30, 2017
Schedule of Investments [Line Items]
Units (in shares)	[14]	2,281,682
Interest rate	[14]	19.00%
PIK Rate	[14]	19.00%
Cost	[14]	$ 3,667
Fair value	[14]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Secured Convertible Debt January 1, 2018
Schedule of Investments [Line Items]
Interest rate	[14]	15.00%
PIK Rate	[14]	15.00%
Principal	[14]	$ 2,312
Cost	[14]	2,312
Fair value	[14]	$ 4,271
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Secured Debt August 27, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	10.76%
Interest, variable rate	[14],[20],[21]	5.50%
PIK Rate	[14],[20],[21]	2.00%
Principal	[14],[20],[21]	$ 1,804
Cost	[14],[20],[21]	1,793
Fair value	[14],[20],[21]	$ 1,701
Investment, Identifier [Axis]: UniTek Global Services, Inc.., Secured Debt October 15, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	10.76%
Interest, variable rate	[14],[20],[21]	5.50%
PIK Rate	[14],[20],[21]	2.00%
Principal	[14],[20],[21]	$ 403
Cost	[14],[20],[21]	403
Fair value	[14],[20],[21]	$ 380
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests June 15, 2020
Schedule of Investments [Line Items]
Units (percentage)	[10],[11],[26],[36]	11.11%
Cost	[10],[11],[26],[36]	$ 3,123
Fair value	[10],[11],[26],[36]	$ 5,354
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests June 15,2020
Schedule of Investments [Line Items]
Units (percentage)	[12],[13],[27],[37]			49.60%
Cost	[12],[13],[27],[37]			$ 3,828
Fair value	[12],[13],[27],[37]			$ 6,122
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units December 07, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8],[35]	4,000,000
Cost	[8],[35]	$ 4,000
Fair value	[8],[35]	$ 0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units December 07,2016
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			4,000,000
Cost	[9],[34]			$ 4,000
Fair value	[9],[34]			$ 0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units December 07, 2016
Schedule of Investments [Line Items]
Units (in shares)	[8],[35]	716,949
Interest rate	[8],[35]	14.00%
PIK Rate	[8],[35]	14.00%
Cost	[8],[35]	$ 1,032
Fair value	[8],[35]	$ 0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units December 07,2016
Schedule of Investments [Line Items]
Units (in shares)	[9],[34]			716,949
Interest rate	[9],[34]			14.00%
PIK Rate	[9],[34]			14.00%
Cost	[9],[34]			$ 1,032
Fair value	[9],[34]			$ 0
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity November 30, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8],[26]	1,038,462
Cost	[8],[26]	$ 1,038
Fair value	[8],[26]	$ 3,110
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity November 30,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			1,038,462
Cost	[9]			$ 1,038
Fair value	[9]			$ 1,038
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Secured Debt November 30, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.75%
Interest, variable rate	[8],[21]	7.25%
Principal	[8],[21]	$ 25,475
Cost	[8],[21]	25,049
Fair value	[8],[21]	$ 25,375
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Secured Debt November 30,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.50%
Interest, variable rate	[9],[23]			7.50%
Principal	[9],[23]			$ 25,962
Cost	[9],[23]			25,450
Fair value	[9],[23]			$ 25,450
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity December 01, 2021
Schedule of Investments [Line Items]
Units (in shares)	[26],[35]	11,840
Cost	[26],[35]	$ 11,840
Fair value	[26],[35]	$ 12,078
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity December 01,2021
Schedule of Investments [Line Items]
Units (in shares)	[34]			11,840
Cost	[34]			$ 11,840
Fair value	[34]			$ 11,840
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt One December 01, 2021
Schedule of Investments [Line Items]
Interest rate	[21],[35]	8.63%
Interest, variable rate	[21],[35]	6.00%
Principal	[21],[35]	$ 800
Cost	[21],[35]	773
Fair value	[21],[35]	$ 773
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt One December 01,2021
Schedule of Investments [Line Items]
Interest rate	[23],[34]			7.00%
Interest, variable rate	[23],[34]			6.00%
Principal	[23],[34]			$ 1,200
Cost	[23],[34]			1,170
Fair value	[23],[34]			$ 1,169
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt Two December 01, 2021
Schedule of Investments [Line Items]
Interest rate	[35]	11.50%
Principal	[35]	$ 30,400
Cost	[35]	30,144
Fair value	[35]	$ 30,146
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt Two December 01,2021
Schedule of Investments [Line Items]
Interest rate	[34]			11.50%
Principal	[34]			$ 30,400
Cost	[34]			30,100
Fair value	[34]			$ 30,100
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt November 09, 2020
Schedule of Investments [Line Items]
Interest, variable rate	[14],[21],[22]	5.25%
Principal	[14],[21],[22]	$ 0
Cost	[14],[21],[22]	(685)
Fair value	[14],[21],[22]	$ (685)
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt November 09,2020
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.25%
Interest, variable rate	[15],[23]			5.25%
Principal	[15],[23]			$ 5,875
Cost	[15],[23]			5,111
Fair value	[15],[23]			$ 5,111
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt One November 09,2020
Schedule of Investments [Line Items]
Interest rate	[15],[23]			7.00%
Interest, variable rate	[15],[23]			6.00%
Principal	[15],[23]			$ 14,888
Cost	[15],[23]			14,524
Fair value	[15],[23]			$ 14,925
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt Two November 09, 2020
Schedule of Investments [Line Items]
Interest rate	[14],[21]	8.81%
Interest, variable rate	[14],[21]	6.00%
Principal	[14],[21]	$ 17,685
Cost	[14],[21]	17,365
Fair value	[14],[21]	$ 16,845
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt October 10, 2019
Schedule of Investments [Line Items]
Interest rate	[14]	9.12%
Interest, variable rate	[14]	6.00%
Principal	[14]	$ 15,794
Cost	[14]	15,648
Fair value	[14]	$ 12,372
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt October 10,2019
Schedule of Investments [Line Items]
Interest rate	[15]			6.10%
Interest, variable rate	[15]			6.00%
Principal	[15]			$ 17,089
Cost	[15]			16,905
Fair value	[15]			$ 15,850
Investment, Identifier [Axis]: Vision Interest, Inc., Series A Preferred Stock December 23, 2011
Schedule of Investments [Line Items]
Units (in shares)	[26]	3,000,000
Cost	[26]	$ 3,000
Fair value	[26]	$ 3,000
Investment, Identifier [Axis]: Vision Interests, Inc., Series A Preferred Stock December 23,2011
Schedule of Investments [Line Items]
Units (in shares)				3,000,000
Cost				$ 3,000
Fair value				$ 3,000
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock April 03, 2019
Schedule of Investments [Line Items]
Units (in shares)	[8]	70,207
Cost	[8]	$ 767
Fair value	[8]	$ 2,350
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock April 03,2019
Schedule of Investments [Line Items]
Units (in shares)	[9]			70,207
Cost	[9]			$ 767
Fair value	[9]			$ 1,726
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units January 26,2015
Schedule of Investments [Line Items]
Units (in shares)				4,876,670
Cost				$ 14,000
Fair value				$ 5,990
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units, January 26, 2015
Schedule of Investments [Line Items]
Units (in shares)		4,876,670
Cost		$ 14,000
Fair value		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt January 26, 2015
Schedule of Investments [Line Items]
Interest rate	[33]	11.50%
Principal	[33]	$ 16,734
Cost	[33]	16,734
Fair value	[33]	$ 16,630
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt January 26,2015
Schedule of Investments [Line Items]
Interest rate	[30]			11.50%
Principal	[30]			$ 17,434
Cost	[30]			17,434
Fair value	[30]			$ 17,434
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt May 16, 2018
Schedule of Investments [Line Items]
Interest rate		8.00%
Principal		$ 409
Cost		409
Fair value		$ 409
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt May 16,2018
Schedule of Investments [Line Items]
Interest rate				8.00%
Principal				$ 409
Cost				409
Fair value				$ 409
Investment, Identifier [Axis]: Volusion, LLC, Warrants January 26,2015
Schedule of Investments [Line Items]
Units (in shares)	[25]			1,831,355
Cost	[25]			$ 2,576
Fair value	[25]			$ 0
Investment, Identifier [Axis]: Volusion, LLC, Warrants, January 26, 2015
Schedule of Investments [Line Items]
Units (in shares)	[24]	1,831,355
Cost	[24]	$ 2,576
Fair value	[24]	$ 0
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt August 17, 2021
Schedule of Investments [Line Items]
Interest rate	[14],[20],[21]	9.57%
Interest, variable rate	[14],[20],[21]	5.75%
Principal	[14],[20],[21]	$ 14,719
Cost	[14],[20],[21]	14,344
Fair value	[14],[20],[21]	$ 9,935
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt August 17,2021
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.75%
Interest, variable rate	[15],[23]			5.75%
Principal	[15],[23]			$ 15,000
Cost	[15],[23]			14,569
Fair value	[15],[23]			$ 14,916
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock July 19, 2021
Schedule of Investments [Line Items]
Units (in shares)	[8]	400,000
Cost	[8]	$ 400
Fair value	[8]	$ 310
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock July 19,2021
Schedule of Investments [Line Items]
Units (in shares)	[9]			400,000
Cost	[9]			$ 400
Fair value	[9]			$ 400
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt July 19,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			8.00%
Interest, variable rate	[9],[23]			7.00%
Principal	[9],[23]			$ 4,373
Cost	[9],[23]			4,288
Fair value	[9],[23]			$ 4,285
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt One July 19, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	7.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(6)
Fair value	[8],[21],[22]	$ (6)
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt Two July 19, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.28%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 4,290
Cost	[8],[21]	4,223
Fair value	[8],[21]	$ 4,072
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt December 17,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			7.25%
Interest, variable rate	[9],[23]			6.25%
Principal	[9],[23]			$ 25,876
Cost	[9],[23]			25,267
Fair value	[9],[23]			$ 25,267
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt One December 17, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.63%
Interest, variable rate	[8],[21]	6.00%
Principal	[8],[21]	$ 371
Cost	[8],[21]	332
Fair value	[8],[21]	$ 359
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt Three December 17, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.25%
Interest, variable rate	[8],[21]	6.00%
Principal	[8],[21]	$ 28,957
Cost	[8],[21]	28,568
Fair value	[8],[21]	$ 28,056
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt Two December 17, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	8.25%
Interest, variable rate	[8],[21]	6.00%
Principal	[8],[21]	$ 391
Cost	[8],[21]	359
Fair value	[8],[21]	$ 379
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock March 01, 2022
Schedule of Investments [Line Items]
Units (in shares)	[8]	1,541,400
Cost	[8]	$ 1,541
Fair value	[8]	$ 1,620
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt One March 01, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	8.59%
Interest, variable rate	[8],[20],[21]	6.00%
Principal	[8],[20],[21]	$ 10,794
Cost	[8],[20],[21]	10,599
Fair value	[8],[20],[21]	$ 10,294
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt Two March 01, 2022
Schedule of Investments [Line Items]
Interest, variable rate	[8],[20],[21],[22]	6.00%
Principal	[8],[20],[21],[22]	$ 0
Cost	[8],[20],[21],[22]	(21)
Fair value	[8],[20],[21],[22]	$ (21)
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt One November 19, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	7.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(36)
Fair value	[8],[21],[22]	$ 0
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt Three November 19, 2021
Schedule of Investments [Line Items]
Interest rate	[8],[21]	9.23%
Interest, variable rate	[8],[21]	7.00%
Principal	[8],[21]	$ 10,000
Cost	[8],[21]	9,834
Fair value	[8],[21]	$ 9,683
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt Two November 19, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[21],[22]	7.00%
Principal	[8],[21],[22]	$ 0
Cost	[8],[21],[22]	(18)
Fair value	[8],[21],[22]	$ (18)
Investment, Identifier [Axis]: Xenon Arc, Inc, Secured Debt December 17,2021
Schedule of Investments [Line Items]
Interest rate	[9],[23]			6.75%
Interest, variable rate	[9],[23]			6.00%
Principal	[9],[23]			$ 38,600
Cost	[9],[23]			37,423
Fair value	[9],[23]			$ 37,423
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt One December 17, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[22]	5.25%
Principal	[8],[22]	$ 0
Cost	[8],[22]	(138)
Fair value	[8],[22]	$ (138)
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt Three December 17, 2021
Schedule of Investments [Line Items]
Interest rate	[8]	8.63%
Interest, variable rate	[8]	5.25%
Principal	[8]	$ 38,311
Cost	[8]	37,660
Fair value	[8]	$ 36,845
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt Two December 17, 2021
Schedule of Investments [Line Items]
Interest, variable rate	[8],[22]	5.25%
Principal	[8],[22]	$ 0
Cost	[8],[22]	(206)
Fair value	[8],[22]	$ (206)
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt August 22, 2018
Schedule of Investments [Line Items]
Interest rate	[14],[21]	7.92%
Interest, variable rate	[14],[21]	5.50%
Principal	[14],[21]	$ 12,659
Cost	[14],[21]	12,613
Fair value	[14],[21]	$ 12,121
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt August 22,2018
Schedule of Investments [Line Items]
Interest rate	[15],[23]			6.50%
Interest, variable rate	[15],[23]			5.50%
Principal	[15],[23]			$ 13,034
Cost	[15],[23]			12,967
Fair value	[15],[23]			$ 12,578
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Preferred Member Units June 30, 2015
Schedule of Investments [Line Items]
Units (in shares)		10,072
Cost		$ 2,834
Fair value		$ 1,190
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Preferred Member Units June 30,2015
Schedule of Investments [Line Items]
Units (in shares)				10,072
Cost				$ 2,834
Fair value				$ 2,130
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt June 01,2015
Schedule of Investments [Line Items]
Interest rate				12.00%
Principal				$ 625
Cost				625
Fair value				$ 625
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt One June 01, 2015
Schedule of Investments [Line Items]
Interest rate		12.00%
Principal		$ 450
Cost		450
Fair value		$ 450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt One October 01,2008
Schedule of Investments [Line Items]
Interest rate				6.50%
Principal				$ 1,000
Cost				1,000
Fair value				$ 1,000
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt Three October 01, 2008
Schedule of Investments [Line Items]
Interest rate		14.00%
Principal		$ 2,750
Cost		2,750
Fair value		$ 2,676
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt Two October 01, 2008
Schedule of Investments [Line Items]
Interest rate		6.50%
Principal		$ 1,000
Cost		1,000
Fair value		$ 1,000
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt Two October 01,2008
Schedule of Investments [Line Items]
Interest rate				14.00%
Principal				$ 2,750
Cost				2,750
Fair value				$ 2,750
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants July 01, 2015
Schedule of Investments [Line Items]
Units (in shares)	[24]	587
Cost	[24]	$ 600
Fair value	[24]	$ 0
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants July 01,2015
Schedule of Investments [Line Items]
Units (in shares)	[25]			587
Cost	[25]			$ 600
Fair value	[25]			$ 0
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt One February 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21]	9.94%
Interest, variable rate	[8],[20],[21]	7.25%
Principal	[8],[20],[21]	$ 17,512
Cost	[8],[20],[21]	17,229
Fair value	[8],[20],[21]	$ 17,284
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt Two February 11, 2022
Schedule of Investments [Line Items]
Interest rate	[8],[20],[21],[60]	9.86%
Interest, variable rate	[8],[20],[21],[60]	7.25%
Principal	[8],[20],[21],[60]	$ 4,389
Cost	[8],[20],[21],[60]	4,354
Fair value	[8],[20],[21],[60]	$ 4,289
[1] All investments are Lower Middle Market portfolio investments, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Lower Middle Market portfolio investments. All of the Company’s investments, unless otherwise noted, are encumbered either as security for the Company’s Credit Facility or in support of the SBA-guaranteed debentures issued by the Funds. [2] All portfolio company headquarters are based in the United States, unless otherwise noted. [3] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. [4] All portfolio company headquarters are based in the United States, unless otherwise noted. [5] Principal is net of repayments. Cost is net of repayments and accumulated unearned income. Negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. [6] 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. [7] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [8] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [9] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [10] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [11] 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. [12] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [13] 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. [14] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [15] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [16] Portfolio company headquarters are located outside of the United States. [17] 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. [18] 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. [19] Non-Control/Non-Affiliate investments are defined by the 1940 Act as investments that are neither Control investments nor Affiliate investments. [20] A majority of the variable rate loans in the Company’s investment portfolio bear interest at a rate that may be determined by reference to either LIBOR (“L”), SOFR (“SF”) or an alternate Base Rate (commonly based on the Federal Funds Rate or the Prime Rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR rate, plus the Adjustment, exceeds the stated floor rate, as applicable. As of September 30, 2022, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%. [21] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 70% of the loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.06%. [22] The position is unfunded and no interest income is being earned as of September 30, 2022. The position may earn a nominal unused facility fee on committed amounts. [23] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 67% of the loans (based on the par amount) contain LIBOR floors which range between 0.50% and 2.00%, with a weighted-average LIBOR floor of 1.06%. [24] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [25] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [26] Income producing through dividends or distributions. [27] Income producing through dividends or distributions. [28] Non-accrual and non-income producing investment. [29] Non-accrual and non-income producing investment. [30] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [31] 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 Prime plus 5.10% (Floor 2.00%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [32] 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 LIBOR plus 7.25% (Floor 1.25%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [33] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [34] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [35] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [36] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [37] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [38] The security has an effective contractual interest rate of 2.00% PIK + LIBOR+6.50%, Floor 1.00%, but the issuer may, in its discretion, elect to pay the PIK interest in cash. The rate presented represents the effective current yield based on actual payments received during the period. [39] The security has an effective contractual interest rate of 2.00% PIK + LIBOR+6.50%, Floor 1.00%, but the issuer may, in its discretion, elect to pay the PIK interest in cash. The rate presented represents the effective current yield based on actual payments received during the period. [40] As of September 30, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). Due to an amendment and subsequent funding during the quarter, the term loan facility has different floating rate reset dates. The rate presented represents a weighted-average rate for borrowings under the facility, as of September 30, 2022. [41] Warrants are presented in equivalent units with a strike price of $1.50 per unit. [42] 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 LIBOR plus 7.96% (Floor 1.00%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [43] Index based floating interest rate is subject to contractual maximum index rate of 1.50% as of September 30, 2022. [44] Index based floating interest rate is subject to contractual maximum index rate of 1.50% as of December 31, 2021. [45] Portfolio company headquarters are located outside of the United States. [46] As of December 31, 2021, borrowings under the loan facility bore interest at LIBOR+6.00% or Prime+5.00%. Delayed draw term loan facility permits the borrower to make an interest rate election on each new tranche of borrowings under the facility. The rate presented represents a weighted-average rate for borrowings under the facility. [47] As of September 30, 2022, borrowings under the loan facility bore interest at LIBOR+6.50% PIK or Prime+5.50% PIK. Revolving 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 September 30, 2022. [48] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [49] As of September 30, 2022, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%) . Delayed draw term loan facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of September 30, 2022. [50] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facility or in support of the SBA-guaranteed debentures issued by the Funds. [51] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facility or in support of the SBA-guaranteed debentures issued by the Funds. [52] Warrants are presented in equivalent units with a strike price of $14.28 per unit. [53] Warrants are presented in equivalent units with a strike price of $14.28 per unit. [54] Portfolio company is in a bankruptcy process and, as such, the maturity date of our debt investment in this portfolio company will not be finally determined until such process is complete. As noted in footnote (14), our debt investment in this portfolio company is on non-accrual status. [55] Portfolio company is in a bankruptcy process and, as such, the maturity date of our debt investment in this portfolio company will not be finally determined until such process is complete. As noted in footnote (14), our debt investment in this portfolio company is on non-accrual status. [56] In connection with the Company's debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company’s investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $17.6 million Canadian Dollars and receive $13.6 million U.S. Dollars with a settlement date of September 14, 2023. The unrealized appreciation on the forward foreign currency contract was $0.8 million as of September 30, 2022. [57] In connection with the Company's debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company's investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $21.4 million Canadian Dollars and receive $16.9 million U.S. Dollars with a settlement date of September 14, 2022. The unrealized depreciation on the forward foreign currency contract was not significant as of December 31, 2021. [58] Short-term portfolio investments. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of short-term portfolio investments. [59] Short-term portfolio investments. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of short-term portfolio investments. [60] As of September 30, 2022, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). Each new draw on the delayed draw term loan facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of September 30, 2022.