Consolidated Schedule of Investments in and Advances to Affiliates (Unaudited) (Details) - USD ($) $ in Thousands		9 Months Ended
		Dec. 31, 2022		Mar. 31, 2022	[5],[6],[7]
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		$ 148,865
Amount of Interest or Dividends Credited in Income		15,543
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		189,482
Gross Additions		83,675
Gross Reductions		(37,784)
Amount of Realized Gain/(Loss)		(10,625)
Amount of Unrealized Gain/(Loss)		(3,791)
Fair Value, ending balance		220,957
Control investments
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		5,439
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		57,603
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(9,978)
Fair Value, ending balance		47,625
Affiliate investments
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		148,865
Amount of Interest or Dividends Credited in Income		10,104
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		131,879
Gross Additions		83,675
Gross Reductions		(37,784)
Amount of Realized Gain/(Loss)		(10,625)
Amount of Unrealized Gain/(Loss)		6,187
Fair Value, ending balance		173,332
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		25,101
Amount of Interest or Dividends Credited in Income		1,137
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		12,535
Gross Additions		12,221
Gross Reductions		(106)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		451
Fair Value, ending balance		$ 25,101
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Preferred Units
Schedule of Investments [Line Items]
Shares (in shares)		766,738.93
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		634
Gross Additions		186
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		382
Fair Value, ending balance		1,202
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		603
Gross Reductions		(600)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(3)
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class A Units
Schedule of Investments [Line Items]
Shares (in shares)		1,000,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		72
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,221
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		437
Fair Value, ending balance		$ 1,658
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class B Units
Schedule of Investments [Line Items]
Shares (in shares)		500,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		29
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		572
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		142
Fair Value, ending balance		714
Investment, Identifier [Axis]: CATBIRD NYC, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		15,600
Amount of Interest or Dividends Credited in Income		1,164
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		15,884
Gross Additions		44
Gross Reductions		(300)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(28)
Fair Value, ending balance		15,600
Investment, Identifier [Axis]: CATBIRD NYC, LLC. Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		12
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(12)
Fair Value, ending balance		0
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Delayed Draw Term Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		100
Amount of Interest or Dividends Credited in Income		19
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		97
Gross Additions		5
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(4)
Fair Value, ending balance		98
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		7,500
Amount of Interest or Dividends Credited in Income		685
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		7,260
Gross Additions		21
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		46
Fair Value, ending balance		$ 7,327
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Preferred Units
Schedule of Investments [Line Items]
Shares (in shares)		1,380,500
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		641
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(284)
Fair Value, ending balance		357
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		300
Amount of Interest or Dividends Credited in Income		36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		290
Gross Additions		5
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(2)
Fair Value, ending balance		$ 293
Investment, Identifier [Axis]: CHANDLER SIGNS, LLC, Units of Class A-1 common stock
Schedule of Investments [Line Items]
Shares (in shares)		1,500,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		924
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		1,969
Fair Value, ending balance		$ 2,893
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Common Units
Schedule of Investments [Line Items]
Shares (in shares)		1,681.04
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		2,460
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(2,460)
Fair Value, ending balance		0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien A
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		1,649
Amount of Interest or Dividends Credited in Income		108
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,402
Gross Additions		108
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,510)
Fair Value, ending balance		0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien B
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		1,829
Amount of Interest or Dividends Credited in Income		98
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,472
Gross Additions		97
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,569)
Fair Value, ending balance		0
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Protective Advance
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		1,448
Amount of Interest or Dividends Credited in Income		79
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		526
Gross Additions		922
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(362)
Fair Value, ending balance		1,086
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		286
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		10,323
Gross Additions		12
Gross Reductions		(11,159)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		824
Fair Value, ending balance		0
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan A
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		3,759
Amount of Interest or Dividends Credited in Income		163
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		9,467
Gross Reductions		(4,604)
Amount of Realized Gain/(Loss)		(1,124)
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		3,739
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan B
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		3,761
Amount of Interest or Dividends Credited in Income		14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		9,318
Gross Reductions		(4,484)
Amount of Realized Gain/(Loss)		(1,095)
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 3,739
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Preferred units
Schedule of Investments [Line Items]
Shares (in shares)		2,000,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,274
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		(2,000)
Amount of Unrealized Gain/(Loss)		726
Fair Value, ending balance		0
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		1
Amount of Unrealized Gain/(Loss)		(1)
Fair Value, ending balance		0
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Senior subordinated debt
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		41
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		650
Gross Additions		41
Gross Reductions		(587)
Amount of Realized Gain/(Loss)		(104)
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class A Preferred units
Schedule of Investments [Line Items]
Shares (in shares)		250,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		250
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		375
Fair Value, ending balance		$ 625
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class B Preferred units
Schedule of Investments [Line Items]
Shares (in shares)		5,435,211.03
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		2,218
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 2,218
Investment, Identifier [Axis]: Dynamic Communities, LLC, Class C Preferred units
Schedule of Investments [Line Items]
Shares (in shares)		255,984.22
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common units
Schedule of Investments [Line Items]
Shares (in shares)		2,500,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: GRAMMATECH, INC., Class A units
Schedule of Investments [Line Items]
Shares (in shares)		1,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		674
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(330)
Fair Value, ending balance		$ 344
Investment, Identifier [Axis]: GRAMMATECH, INC., Class A-1 units
Schedule of Investments [Line Items]
Shares (in shares)		247.54
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		38
Gross Additions		191
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(144)
Fair Value, ending balance		85
Investment, Identifier [Axis]: GRAMMATECH, INC., First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		10,031
Amount of Interest or Dividends Credited in Income		970
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		9,775
Gross Additions		58
Gross Reductions		(1,500)
Amount of Realized Gain/(Loss)		15
Amount of Unrealized Gain/(Loss)		680
Fair Value, ending balance		9,028
Investment, Identifier [Axis]: GRAMMATECH, INC., Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		7
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(7)
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: I-45 SLF LLC | I-45 SLF LLC
Schedule of Investments [Line Items]
Ownership percent	[1],[2],[3],[4]	80.00%
Investment, Identifier [Axis]: I-45 SLF LLC, LLC equity interest
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		5,439
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		57,603
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(9,978)
Fair Value, ending balance		$ 47,625
Investment, Identifier [Axis]: I-45 SLF LLC, LLC equity interest | I-45 SLF LLC
Schedule of Investments [Line Items]
Ownership percent		80.00%		80.00%	[8]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A Membership Interest | ITA Holdings Group, LLC
Schedule of Investments [Line Items]
Ownership interest		9.25%	[1],[3],[9]	9.25%	[10]
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A membership interest
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		3,063
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		988
Fair Value, ending balance		$ 4,051
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A membership interest | ITA Holdings Group, LLC
Schedule of Investments [Line Items]
Ownership interest		9.25%
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note A
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		$ 3,189
Amount of Interest or Dividends Credited in Income		437
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		2,959
Gross Additions		430
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(266)
Fair Value, ending balance		3,123
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note B
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		126
Amount of Interest or Dividends Credited in Income		9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		117
Gross Additions		9
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(3)
Fair Value, ending balance		123
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		10,086
Amount of Interest or Dividends Credited in Income		885
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		10,041
Gross Additions		64
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		21
Fair Value, ending balance		10,126
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan B
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		5,043
Amount of Interest or Dividends Credited in Income		555
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		5,061
Gross Additions		29
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(22)
Fair Value, ending balance		5,068
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Revolving loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		7,000
Amount of Interest or Dividends Credited in Income		499
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		750
Gross Additions		6,208
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		42
Fair Value, ending balance		7,000
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		3,199
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		656
Fair Value, ending balance		$ 3,855
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Common units
Schedule of Investments [Line Items]
Shares (in shares)		203,124.9999
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		0
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		5,156
Amount of Interest or Dividends Credited in Income		297
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		4,780
Gross Additions		0
Gross Reductions		(39)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		415
Fair Value, ending balance		5,156
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		31
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		833
Gross Reductions		(833)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		0
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Second Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		5,208
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		3,104
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(729)
Fair Value, ending balance		$ 2,375
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Series A Preferred units
Schedule of Investments [Line Items]
Shares (in shares)		208,333.3333
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: OUTERBOX, LLC, Class A common units
Schedule of Investments [Line Items]
Shares (in shares)		5,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		500
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		500
Investment, Identifier [Axis]: OUTERBOX, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		10,800
Amount of Interest or Dividends Credited in Income		616
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		10,653
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		93
Fair Value, ending balance		10,746
Investment, Identifier [Axis]: OUTERBOX, LLC, Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		(26)
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		26
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A Units
Schedule of Investments [Line Items]
Shares (in shares)		16,084
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		1,905
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(949)
Fair Value, ending balance		956
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		14,557
Amount of Interest or Dividends Credited in Income		1,314
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		14,125
Gross Additions		586
Gross Reductions		(109)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(904)
Fair Value, ending balance		13,698
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Revolving Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		575
Amount of Interest or Dividends Credited in Income		61
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		575
Gross Additions		5
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(39)
Fair Value, ending balance		$ 541
Investment, Identifier [Axis]: Roseland Management, LLC, Class A-1 units
Schedule of Investments [Line Items]
Shares (in shares)		1,100
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		66
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		134
Fair Value, ending balance		$ 200
Investment, Identifier [Axis]: SIMR, LLC, Class B Common Units
Schedule of Investments [Line Items]
Shares (in shares)		9,374,510.2
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		(6,107)
Amount of Unrealized Gain/(Loss)		6,107
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: SIMR, LLC, Class W Units
Schedule of Investments [Line Items]
Shares (in shares)		904,903.31
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		0
Investment, Identifier [Axis]: SIMR, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		10,588
Gross Additions		191
Gross Reductions		(13,081)
Amount of Realized Gain/(Loss)		(211)
Amount of Unrealized Gain/(Loss)		2,513
Fair Value, ending balance		0
Investment, Identifier [Axis]: SIMR, LLC, First Lien - Incremental
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		191
Gross Reductions		(191)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0
Investment, Identifier [Axis]: STATINMED, LLC, Class A Preferred Units
Schedule of Investments [Line Items]
Shares (in shares)		4,718.62
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		4,838
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(214)
Fair Value, ending balance		$ 4,624
Investment, Identifier [Axis]: STATINMED, LLC, Class B Preferred Units
Schedule of Investments [Line Items]
Shares (in shares)		37,807.58
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		1,400
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(61)
Fair Value, ending balance		1,339
Investment, Identifier [Axis]: STATINMED, LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		7,039
Amount of Interest or Dividends Credited in Income		444
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		7,230
Gross Reductions		(191)
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		7,039
Investment, Identifier [Axis]: STATinMED, LLC, Delayed Draw Term Loan
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		119
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		117
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		2
Fair Value, ending balance		$ 119
Investment, Identifier [Axis]: Sonobi, Inc., Class A Common units
Schedule of Investments [Line Items]
Shares (in shares)		500,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		2,960
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(939)
Fair Value, ending balance		2,021
Investment, Identifier [Axis]: Student Resource Center LLC, First Lien
Schedule of Investments [Line Items]
Principal Amount - Debt Investments		8,889
Amount of Interest or Dividends Credited in Income		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		8,720
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 8,720
Investment, Identifier [Axis]: Student Resource Center LLC, Preferred units 1
Schedule of Investments [Line Items]
Shares (in shares)		10,502,487.46
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		5,845
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 5,845
Investment, Identifier [Axis]: Student Resource Center LLC, Preferred units 2
Schedule of Investments [Line Items]
Shares (in shares)		2,000,000
Principal Amount - Debt Investments		$ 0
Amount of Interest or Dividends Credited in Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Fair Value, beginning balance		0
Gross Additions		0
Gross Reductions		0
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		0
Fair Value, ending balance		$ 0

[1] All of the Company’s investments and the investments of SBIC I (as defined below), unless otherwise noted, are pledged as collateral for the Company’s senior secured credit facility or in support of the SBA-guaranteed debentures to be issued by Capital Southwest SBIC I, LP, our wholly-owned subsidiary that operates as a small business investment company ("SBIC I"), respectively.

[2] Income producing through dividends or distributions.

[3] Indicates assets that are not considered "qualifying assets" 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. As of December 31, 2022, approximately 13.5% of the Company's assets were non-qualifying assets.

[4] The investment has an unfunded commitment as of December 31, 2022. Refer to Note 10 - Commitments and Contingencies for further discussion.

[5] All of the Company’s investments and the investments of SBIC I (as defined below), unless otherwise noted, are pledged as collateral for the Company’s senior secured credit facility or in support of the SBA-guaranteed debentures to be issued by Capital Southwest SBIC I, LP, our wholly-owned subsidiary that operates as a small business investment company ("SBIC I"), respectively.

[6] Income producing through dividends or distributions.

[7] Indicates assets that are considered "non-qualifying assets” 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. As of March 31, 2022, approximately 12.8% of the Company's assets are non-qualifying assets.

[8] The investment has an unfunded commitment as of March 31, 2022. Refer to Note 11 - Commitments and Contingencies for further discussion.

[9] Investment is held through a wholly-owned taxable subsidiary.

[10] Investment is held through a wholly-owned taxable subsidiary.