XML 100 R81.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Schedule of Investments in and Advances to Affiliates (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [1],[2],[3] $ 1,206,388  
Fair Value, ending balance [4],[5],[6],[7],[8],[9],[10] 1,476,561  
Control investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 7,983  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[11] 51,256  
Gross Additions 37,600  
Gross Reductions (92,536)  
Amount of Realized Gain/(Loss) (15,047)  
Amount of Unrealized Gain/(Loss) 18,727  
Fair Value, ending balance 0  
Affiliate investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 170,001  
Amount of Interest or Dividends Credited in Income 19,910  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 188,505  
Gross Additions 70,526  
Gross Reductions (55,731)  
Amount of Realized Gain/(Loss) (6,406)  
Amount of Unrealized Gain/(Loss) (6,688)  
Fair Value, ending balance 190,206  
Total Control & Affiliate Investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 170,001  
Amount of Interest or Dividends Credited in Income 27,893  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 239,761  
Gross Additions 108,126  
Gross Reductions (148,267)  
Amount of Realized Gain/(Loss) (21,453)  
Amount of Unrealized Gain/(Loss) 12,039  
Fair Value, ending balance 190,206  
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 23,372 [12] $ 25,000 [13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[13] 23,125  
Fair Value, ending balance [10],[12] 18,698  
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,346 3,250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,006  
Fair Value, ending balance [10] 2,676  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 433 274 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 264  
Fair Value, ending balance [10] 428  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,364 $ 10,199
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,842  
Fair Value, ending balance [10] $ 14,206  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Shares common stock    
Schedule of Investments [Line Items]    
Shares (in shares) 374,543 [15] 374,543 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 716  
Fair Value, ending balance [10] 1,173  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC., Warrants (Expiration - December 11, 2025)    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 881  
Fair Value, ending balance [10] 1,030  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, 1,000,000 Class B-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   1,000,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,000  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Class B-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,000  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500 7,500 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 7,380  
Fair Value, ending balance [10] 7,500  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000 5,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,920  
Fair Value, ending balance [10] 5,000  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Revolver Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   1,019
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,019  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,550 [22] $ 19,550 [23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[23] 19,550  
Fair Value, ending balance [10],[22] $ 19,550  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,019 [15],[19],[20] 1,019 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,223  
Fair Value, ending balance [10],[19],[20] $ 1,063  
Investment, Identifier [Axis]: ACCELERATION, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,611.22 [15],[19],[20] 1,611.22 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 165  
Fair Value, ending balance [10],[19],[20] 0  
Investment, Identifier [Axis]: ACCELERATION, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,917 9,228
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,228  
Fair Value, ending balance [10] 8,917  
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,917 9,228
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,228  
Fair Value, ending balance [10] 8,917  
Investment, Identifier [Axis]: ACCELERATION, LLC, First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,917 $ 9,228
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,228  
Fair Value, ending balance [10] $ 8,917  
Investment, Identifier [Axis]: ACCELERATION, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,451.22 [15],[19],[20] 13,451.22 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,482  
Fair Value, ending balance [10],[19],[20] 1,554  
Investment, Identifier [Axis]: ACCELERATION, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 3,700 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 3,700  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: ACE GATHERING, INC., Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,793 [24] 7,698 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 7,082  
Fair Value, ending balance [10],[24] 4,793  
Investment, Identifier [Axis]: ADS TACTICAL, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,625  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 1,625  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC. Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 1,006,045.85  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 3,319  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Delayed Draw Term 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) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Delayed Draw Term Loan10    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6],[21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[21] 0  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 24,407 [6] $ 27,438
Amount of Interest or Dividends Credited in Income 2,935  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 27,438  
Gross Additions 10,999  
Gross Reductions (13,997)  
Amount of Realized Gain/(Loss) 175  
Amount of Unrealized Gain/(Loss) (208)  
Fair Value, ending balance [6],[10] $ 24,407  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,006,045.85 766,738.93 [16],[17],[18]
Principal Amount - Debt Investments $ 0 $ 0 [17],[18]
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],[17],[18] 1,202  
Gross Additions 534  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,583  
Fair Value, ending balance 3,319  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 825 [6],[21] $ 800 [14]
Amount of Interest or Dividends Credited in Income 100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 800  
Gross Additions 607  
Gross Reductions (575)  
Amount of Realized Gain/(Loss) 15  
Amount of Unrealized Gain/(Loss) (22)  
Fair Value, ending balance [6],[10],[21] $ 825  
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P., Membership preferred interest    
Schedule of Investments [Line Items]    
Ownership percent 3.88% [15] 3.88% [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 2,691  
Fair Value, ending balance [10] 646  
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P., Unsecured convertible Note    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 173 173
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 201  
Fair Value, ending balance [10] 173  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,944 [26] 11,716
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,978  
Fair Value, ending balance [10],[26] 10,356  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,106 [26] $ 11,716
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,958  
Fair Value, ending balance [10],[26] $ 7,276  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC, Units of Class A common stock    
Schedule of Investments [Line Items]    
Shares (in shares) 3,000,000 [15],[19],[20] 3,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 0  
Fair Value, ending balance [10],[19],[20] 0  
Investment, Identifier [Axis]: AMERICAN TELECONFERENCING SERVICES, LTD., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [27]   4,899
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 251  
Investment, Identifier [Axis]: AMERICAN TELECONFERENCING SERVICES, LTD., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14],[27]   $ 862
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[27] $ 44  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 100 [6],[15],[19],[20] 100 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 0  
Fair Value, ending balance [6],[10],[19],[20] $ 5  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Class A-1 Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15] 1,666.67  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15] 13,898.32  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 3,170  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Class B-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15] 13,898.32  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,123 [6] 12,610
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,470  
Fair Value, ending balance [6],[10] 3,123  
Investment, Identifier [Axis]: ARBORWORKS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,569 [6],[21] $ 2,000 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 1,502  
Fair Value, ending balance [6],[10],[21] $ 1,569  
Investment, Identifier [Axis]: ASC ORTHO MANAGEMENT COMPANY, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,572 [15],[19],[20] 2,572 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 847  
Fair Value, ending balance [10],[19],[20] 619  
Investment, Identifier [Axis]: ATS OPERATING, LLC, Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   1,000,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 1,000  
Investment, Identifier [Axis]: ATS OPERATING, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,250 9,250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,102  
Fair Value, ending balance [10] 9,250  
Investment, Identifier [Axis]: ATS OPERATING, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,250 9,250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,102  
Fair Value, ending balance [10] $ 9,250  
Investment, Identifier [Axis]: ATS OPERATING, LLC, Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,220  
Investment, Identifier [Axis]: ATS OPERATING, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 500 [21] $ 500 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 492  
Fair Value, ending balance [10],[21] $ 500  
Investment, Identifier [Axis]: ArborWorks, LLC, Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 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 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 5  
Fair Value, ending balance $ 5  
Investment, Identifier [Axis]: ArborWorks, LLC, Class A-1 Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,666.67  
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]: ArborWorks, LLC, Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,898.32  
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 3,170  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 3,170  
Investment, Identifier [Axis]: ArborWorks, LLC, Class B-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,898.32  
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]: ArborWorks, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,123  
Amount of Interest or Dividends Credited in Income 150  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 3,123  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 3,123  
Investment, Identifier [Axis]: ArborWorks, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,569  
Amount of Interest or Dividends Credited in Income 69  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,569  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 1,569  
Investment, Identifier [Axis]: BINSWANGER HOLDING CORP., Shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [16]   900,000
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 0  
Investment, Identifier [Axis]: BINSWANGER HOLDING CORP., shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 900,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 598  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, Class A common units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[28] 1,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20],[28] $ 0  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 8,955  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] 8,785  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 8,955  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] $ 8,776  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[28] 1,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20],[28] $ 799  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[21],[28] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[21],[28] 0  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,798  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 9,607  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,131,579 [15],[19],[20] 1,131,579 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,649  
Fair Value, ending balance [10],[19],[20] $ 1,393  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC, Series C Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 89,335 [15],[19],[20] 89,335 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 130  
Fair Value, ending balance [10],[19],[20] 159  
Investment, Identifier [Axis]: BURNING GLASS INTERMEDIATE HOLDING COMPANY, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,500  
Investment, Identifier [Axis]: BURNING GLASS INTERMEDIATE HOLDING COMPANY, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: C&M CONVEYOR, INC, First Lien-Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [25]   6,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 6,377  
Investment, Identifier [Axis]: C&M CONVEYOR, INC, First Lien-Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [25]   6,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 6,377  
Investment, Identifier [Axis]: C&M CONVEYOR, INC., First Lien - Term Loan A15    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [24] 6,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[24] 6,500  
Investment, Identifier [Axis]: C&M CONVEYOR, INC., First Lien - Term Loan B15    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [24] 6,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[24] 6,500  
Investment, Identifier [Axis]: CADMIUM, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,505 7,385
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,134  
Fair Value, ending balance [10] 7,505  
Investment, Identifier [Axis]: CADMIUM, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 615 615
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 594  
Fair Value, ending balance [10] 615  
Investment, Identifier [Axis]: CAMIN CARGO CONTROL, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 5,692
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 5,692  
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 34  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 1,658  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 123  
Fair Value, ending balance $ 1,781  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [6],[15],[19],[20],[29] 1,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,658  
Fair Value, ending balance [6],[10],[19],[20],[29] $ 1,781  
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 16  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 714  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 43  
Fair Value, ending balance $ 757  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Class B units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [6],[15],[19],[20],[21],[29] 500,000 [14],[16],[17],[18],[30]
Principal Amount - Debt Investments [14],[17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[17],[18],[30] $ 714  
Fair Value, ending balance [6],[10],[19],[20],[21],[29] 757  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,100 [6] 15,500
Amount of Interest or Dividends Credited in Income 1,979  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,500  
Gross Additions 62  
Gross Reductions (400)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (62)  
Fair Value, ending balance [6],[10] 15,100  
Investment, Identifier [Axis]: CATBIRD NYC, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [6],[21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [6],[10],[21] 0  
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 78  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,516  
Gross Reductions (1,500)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (16)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   625,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 6,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,372  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   625,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 625  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] $ 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 690,324  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 6,500  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 690,324  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 726  
Investment, Identifier [Axis]: CAVALIER BUYER, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, Class Y Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,568.7  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,000  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 5,390  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 5,390  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Delayed Draw Capex Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 101 [6],[21] 100 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 99  
Fair Value, ending balance [6],[10],[21] 101  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 101  
Amount of Interest or Dividends Credited in Income 28  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 99  
Gross Additions 7  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (5)  
Fair Value, ending balance 101  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,540 [6] $ 7,500
Amount of Interest or Dividends Credited in Income 1,173  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,402  
Gross Additions 73  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 65  
Fair Value, ending balance [6],[10] $ 7,540  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,620,670 [6],[15],[19],[20] 1,380,500 [16],[17],[18]
Principal Amount - Debt Investments $ 0 $ 0 [17],[18]
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],[17],[18] 357  
Gross Additions 248  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 755  
Fair Value, ending balance [6],[10],[19],[20] 1,360  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 700 [6],[21] $ 300 [14]
Amount of Interest or Dividends Credited in Income 65  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 296  
Gross Additions 406  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (2)  
Fair Value, ending balance [6],[10],[21] $ 700  
Investment, Identifier [Axis]: CHANDLER SIGNS, LLC, Units of Class A-1 common stock    
Schedule of Investments [Line Items]    
Shares (in shares) 1,500,000 1,500,000 [16],[17],[18]
Principal Amount - Debt Investments $ 0 $ 0 [17],[18]
Amount of Interest or Dividends Credited in Income 60  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 3,215  
Gross Additions 0  
Gross Reductions (3,402)  
Amount of Realized Gain/(Loss) 1,902  
Amount of Unrealized Gain/(Loss) (1,715)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: CITYVET, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: CITYVET, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 15,000  
Investment, Identifier [Axis]: COMMAND GROUP ACQUISITION, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6] 6,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 5,882  
Investment, Identifier [Axis]: COMMAND GROUP ACQUISITION, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,250,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,250  
Investment, Identifier [Axis]: COREL, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 4,862  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] 4,794  
Investment, Identifier [Axis]: CRAFTY APES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 16,644 [22] $ 15,000 [23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[23] 15,000  
Fair Value, ending balance [10],[22] 15,778  
Investment, Identifier [Axis]: Command Group Acquisition, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,000  
Amount of Interest or Dividends Credited in Income 104  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 5,882  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 5,882  
Investment, Identifier [Axis]: Command Group Acquisition, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,250,000  
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 1,250  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 1,250  
Investment, Identifier [Axis]: DAMOTECH INC., Class A Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[28] 1,127  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20],[28] $ 355  
Investment, Identifier [Axis]: DAMOTECH INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 3,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] 3,000  
Investment, Identifier [Axis]: DAMOTECH INC., First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 5,100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] 4,998  
Investment, Identifier [Axis]: DAMOTECH INC., First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[28] 5,100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[28] $ 4,998  
Investment, Identifier [Axis]: DAMOTECH INC., Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[28] 1,127  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20],[28] $ 1,228  
Investment, Identifier [Axis]: DAMOTECH INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[21],[28] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[21],[28] $ 0  
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,681.04 1,681.04 [16]
Principal Amount - Debt Investments $ 0 $ 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] 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) (3,615)  
Amount of Unrealized Gain/(Loss) 3,615  
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 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) (1,649)  
Amount of Unrealized Gain/(Loss) 1,649  
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 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) (1,829)  
Amount of Unrealized Gain/(Loss) 1,829  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien, L+11.00% PIK    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [27]   1,649
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 0  
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, First Lien, L+9.00% PIK    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [27]   1,829
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 0  
Investment, Identifier [Axis]: DELPHI BEHAVIORAL HEALTH GROUP, LLC, Protective Advance    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 $ 1,448 [27]
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],[27] 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) (1,448)  
Amount of Unrealized Gain/(Loss) 1,448  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: DELPHI LENDER HOLDCO LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 254  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 2,500,000 Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   2,500,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 250,000 Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   250,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 625  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 255,984.22 Class C Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   255,984.22
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, 5,435,211.03 Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   5,435,211.03
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 2,218  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 250,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 317  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 5,435,211.03  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Class C Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 255,984.22  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 2,500,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,250 3,846
Amount of Interest or Dividends Credited in Income 407  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,823  
Gross Additions 406  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 20  
Fair Value, ending balance 4,249  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,359 3,867
Amount of Interest or Dividends Credited in Income 492  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,843  
Gross Additions 493  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 23  
Fair Value, ending balance 4,359  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC6, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6] 4,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] 4,249  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC6, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6] 4,359  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 4,359  
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 625  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (308)  
Fair Value, ending balance $ 317  
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 2,218  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (2,218)  
Fair Value, ending balance $ 0  
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]: EDGE AUTONOMY HOLDINGS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 11,250  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 11,250  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: EMERALD TECHNOLOGIES (U.S.) ACQUISITIONCO, INC., First Lien - Term B Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,496  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 3,216  
Investment, Identifier [Axis]: EVEREST TRANSPORTATION SYSTEMS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,521 $ 8,566
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,566  
Fair Value, ending balance [10] $ 5,934  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) 615.156 [15] 615.156 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 770  
Fair Value, ending balance [10] 945  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,068 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10] 2,068  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,777 9,450
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,271  
Fair Value, ending balance [10] 7,777  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,777 9,450
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,271  
Fair Value, ending balance [10] 7,777  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Promissory Note    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 385 385
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 385  
Fair Value, ending balance [10] 385  
Investment, Identifier [Axis]: EXACT BORROWER, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,446,170 [15],[19],[20],[29] 2,000,000 [16],[17],[18],[30]
Principal Amount - Debt Investments [17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18],[30] $ 17,678  
Fair Value, ending balance [10],[19],[20],[29] 9,505  
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   2,818
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,818  
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   31,845
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 31,845  
Investment, Identifier [Axis]: FM SYLVAN, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   11,963
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,963  
Investment, Identifier [Axis]: FM SYLVAN, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   $ 2,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] $ 2,000  
Investment, Identifier [Axis]: FOOD PHARMA SUBSIDIARY HOLDINGS, LLC, Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 75,000 [15],[19],[20] 75,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 911  
Fair Value, ending balance [10],[19],[20] 1,815  
Investment, Identifier [Axis]: FOOD PHARMA SUBSIDIARY HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,030 7,030
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,030  
Fair Value, ending balance [10] $ 7,030  
Investment, Identifier [Axis]: FS VECTOR LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[29] 1,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20],[29] $ 1,000  
Investment, Identifier [Axis]: FS VECTOR LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 8,919  
Investment, Identifier [Axis]: FS VECTOR LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 8,919  
Investment, Identifier [Axis]: FS VECTOR LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,125 7,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,358  
Fair Value, ending balance [10] 7,125  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,125 7,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,358  
Fair Value, ending balance [10] 7,125  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [6],[15],[19],[20] 1,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,000  
Fair Value, ending balance [6],[10],[19],[20] 2,064  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,004 [6],[12] 6,150 [13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[13] 6,030  
Fair Value, ending balance [6],[10],[12] 6,004  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [6],[21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [6],[10],[21] $ 0  
Investment, Identifier [Axis]: GPT Industries, LLC Class A Preferred 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 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 1,000  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,064  
Fair Value, ending balance 2,064  
Investment, Identifier [Axis]: GPT Industries, LLC First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,004  
Amount of Interest or Dividends Credited in Income 870  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 6,030  
Gross Additions 19  
Gross Reductions (146)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 101  
Fair Value, ending balance 6,004  
Investment, Identifier [Axis]: GPT Industries, 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]: GRAMMATECH, INC., Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000 [6],[15] 1,000 [16]
Principal Amount - Debt Investments $ 0 $ 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] 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance [6],[10] $ 0  
Investment, Identifier [Axis]: GRAMMATECH, INC., Class A-1 units    
Schedule of Investments [Line Items]    
Shares (in shares) 360.06 [6],[15] 360.06 [16]
Principal Amount - Debt Investments $ 0 $ 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] 372  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (372)  
Fair Value, ending balance [6],[10] 0  
Investment, Identifier [Axis]: GRAMMATECH, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000 [6] 10,031
Amount of Interest or Dividends Credited in Income 803  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,031  
Gross Additions 20  
Gross Reductions (9,031)  
Amount of Realized Gain/(Loss) 42  
Amount of Unrealized Gain/(Loss) (62)  
Fair Value, ending balance [6],[10] 1,000  
Investment, Identifier [Axis]: GRAMMATECH, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [6],[21] $ 0 [14]
Amount of Interest or Dividends Credited in Income 9  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Gross Additions 9  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (9)  
Fair Value, ending balance [6],[10],[21] 0  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   1,500,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 1,500  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   4,511
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,376  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. Warrants    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 80  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,500,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,584  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,575  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 9,096  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Warrants (Expiration - February 10, 2033)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] 42  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Warrants (Expiration - January 24, 2034)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] 24  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC., Warrants (Expiration - November 30, 2033)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] 24  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 300 [21] 303 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 297  
Fair Value, ending balance [10],[21] 288  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,606 3,642
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,573  
Fair Value, ending balance [10] 3,461  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 454 [21] 353 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 347  
Fair Value, ending balance [10],[21] 436  
Investment, Identifier [Axis]: HEAT TRAK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 11,270  
Investment, Identifier [Axis]: HEAT TRAK, LLC, Warrants    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] 742  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,975  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 7,242  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 108,211.4  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 323  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 719  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 653  
Investment, Identifier [Axis]: HYBRID APPAREL, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,929 [24] $ 15,750 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 13,120  
Fair Value, ending balance [10],[24] 15,929  
Investment, Identifier [Axis]: I-45 SLF LLC    
Schedule of Investments [Line Items]    
Ownership percent [14],[16],[18],[30]   80.00%
Principal Amount - Debt Investments [14],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[18],[30] $ 51,256  
Investment, Identifier [Axis]: I-45 SLF LLC, LLC equity interest    
Schedule of Investments [Line Items]    
Ownership percent 80.00%  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 7,983  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 51,256  
Gross Additions 37,600  
Gross Reductions (92,536)  
Amount of Realized Gain/(Loss) (15,047)  
Amount of Unrealized Gain/(Loss) 18,727  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 833  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 167  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 4,930  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 4,930  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 833  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 833  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,171 $ 7,653
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,653  
Fair Value, ending balance [10] $ 8,171  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC, LP interest    
Schedule of Investments [Line Items]    
Ownership percent 1.67% [15],[19],[20],[21],[29] 1.68% [14],[16],[17],[18],[30]
Principal Amount - Debt Investments [14],[17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[17],[18],[30] $ 944  
Fair Value, ending balance [10],[19],[20],[21],[29] $ 1,121  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 100,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,000  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,297  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,297  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: INTERMEDIA HOLDINGS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,231  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 5,178  
Investment, Identifier [Axis]: INW MANUFACTURING, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 1,681  
Investment, Identifier [Axis]: ISAGENIX INTERNATIONAL, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 724  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 634  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000 5,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,000  
Fair Value, ending balance [10] 5,000  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15] 1,000,000 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 1,000  
Fair Value, ending balance [10] $ 1,296  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC, Series A-1 Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 166,667  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 706  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 9,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,823  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,000  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,000  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 12,000  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,204,099.26 [15],[19],[20] 750,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 750  
Fair Value, ending balance [10],[19],[20] 2,325  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 500 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 471  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A Membership Interest    
Schedule of Investments [Line Items]    
Ownership percent 9.25% [6],[15],[19],[20],[29] 9.25% [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 4,348  
Fair Value, ending balance [6],[10],[19],[20],[29] $ 2,374  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Class A membership interest    
Schedule of Investments [Line Items]    
Ownership percent 9.25%  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 120  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,348  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,974)  
Fair Value, ending balance 2,374  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6],[21] 1,058  
Amount of Interest or Dividends Credited in Income 89  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,034  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 24  
Fair Value, ending balance [6],[10],[21] 1,058  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6],[21] 1,058  
Amount of Interest or Dividends Credited in Income 100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,034  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 24  
Fair Value, ending balance [6],[10],[21] 1,058  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 3,271
Amount of Interest or Dividends Credited in Income 88  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,255  
Gross Additions 168  
Gross Reductions (3,427)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 4  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - PIK Note B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 129
Amount of Interest or Dividends Credited in Income 3  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 128  
Gross Additions 6  
Gross Reductions (134)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term B Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,038 [6] 5,057
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,068  
Fair Value, ending balance [6],[10] 13,038  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,038 [6] 10,114
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,114  
Fair Value, ending balance [6],[10] 13,038  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan - 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 282  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 10,114  
Gross Additions 6  
Gross Reductions (10,145)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 25  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan - 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,038  
Amount of Interest or Dividends Credited in Income 1,889  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 11,186  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,852  
Fair Value, ending balance 13,038  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan B - 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 189  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 5,068  
Gross Additions 17  
Gross Reductions (5,073)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (12)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, First Lien - Term Loan B - 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,038  
Amount of Interest or Dividends Credited in Income 2,082  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 11,174  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,864  
Fair Value, ending balance 13,038  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,468 [6],[21] 7,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,014  
Fair Value, ending balance [6],[10],[21] 2,468  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Revolving loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,468  
Amount of Interest or Dividends Credited in Income 391  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 7,014  
Gross Additions 2,443  
Gross Reductions (7,005)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 16  
Fair Value, ending balance 2,468  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - June 21, 2033)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] 3,869  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - March 29, 2029)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] 4,005  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants (Expiration - March 29, 2029)9,13    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,046  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants - 1    
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 4,046  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (41)  
Fair Value, ending balance 4,005  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC, Warrants - 2    
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 3,791  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 78  
Fair Value, ending balance 3,869  
Investment, Identifier [Axis]: JACKSON HEWITT TAX SERVICE, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 9,850  
Investment, Identifier [Axis]: JVMC HOLDINGS CORP., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   6,132
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,132  
Investment, Identifier [Axis]: KMS, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14],[25]   2,228
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[25] 2,016  
Investment, Identifier [Axis]: KMS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 17,856 [24] 15,800 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 14,299  
Fair Value, ending balance [10],[24] 15,892  
Investment, Identifier [Axis]: LAB LOGISTICS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,958  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,959  
Investment, Identifier [Axis]: LASH OPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 16,733 10,532
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,110  
Fair Value, ending balance [10] 16,399  
Investment, Identifier [Axis]: LASH OPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 824 [21] 343 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 330  
Fair Value, ending balance [10],[21] 808  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,269 2,501
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,501  
Fair Value, ending balance [10] 4,269  
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,988 $ 11,477
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,477  
Fair Value, ending balance [10] 4,987  
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,872  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 4,872  
Investment, Identifier [Axis]: LGM PHARMA, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,872  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 4,872  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Units of Class A common stock    
Schedule of Investments [Line Items]    
Shares (in shares) 142,278.89 [15],[19],[20] 142,278.89 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,692  
Fair Value, ending balance [10],[19],[20] 5,258  
Investment, Identifier [Axis]: LGM PHARMA, LLC, Unsecured convertible note    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 144 [19],[20] $ 113 [17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 113  
Fair Value, ending balance [10],[19],[20] 136  
Investment, Identifier [Axis]: LIFT BRANDS, INC., Tranche A Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,452  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,403  
Investment, Identifier [Axis]: LIFT BRANDS, INC., Tranche B Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 661  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 601  
Investment, Identifier [Axis]: LIFT BRANDS, INC., Tranche C Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 565  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 514  
Investment, Identifier [Axis]: LIGHTBOX INTERMEDIATE, L.P., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,444  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 5,281  
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 5,091  
Amount of Interest or Dividends Credited in Income 391  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 5,143  
Gross Additions 0  
Gross Reductions (52)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (107)  
Fair Value, ending balance 4,984  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE), Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 729  
Amount of Interest or Dividends Credited in Income 13  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 729  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (15)  
Fair Value, ending balance 714  
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 3,594  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,323  
Fair Value, ending balance $ 4,917  
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]: LIGHTING RETROFIT INTERNATIONAL, LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) 203,124.9999 [6],[15],[19],[20] 203,124.9999 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 0  
Fair Value, ending balance [6],[10],[19],[20] 0  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,091 [6] 5,143
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,143  
Fair Value, ending balance [6],[10] 4,984  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 729 [6],[21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [6],[10],[21] 714  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,208 [6],[26] $ 5,208 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 3,594  
Fair Value, ending balance [6],[10],[26] $ 4,917  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC, Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 208,333.3333 [6],[15],[19],[20] 208,333.3333 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 0  
Fair Value, ending balance [6],[10],[19],[20] 0  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 22,135 $ 22,714
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 22,305  
Fair Value, ending balance [10] $ 21,029  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, LLC interest    
Schedule of Investments [Line Items]    
Ownership percent 0.42% [15],[19],[20],[29] 0.88% [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 416  
Fair Value, ending balance [10],[19],[20],[29] 263  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,460  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,917  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 5,917  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: LLFLEX, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,795 [24] 10,835 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 10,131  
Fair Value, ending balance [10],[24] 9,176  
Investment, Identifier [Axis]: LOGIX HOLDINGS COMPANY, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,555  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,755  
Investment, Identifier [Axis]: MAKO STEEL LP, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,727 7,879
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,839  
Fair Value, ending balance [10] 7,727  
Investment, Identifier [Axis]: MAKO STEEL LP, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 943 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 939  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,000  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 1,550  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 1,511  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,750  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 10,481  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,750  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 10,481  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 1,800  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 1,755  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,957 12,344
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,949  
Fair Value, ending balance [10] 11,338  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,927 $ 2,759
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,593  
Fair Value, ending balance [10] $ 2,195  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, Series A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 12,059,033  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 0  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC, Series A units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   2,089,599
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 770  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,016 11,621
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,505  
Fair Value, ending balance [10] 10,016  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,185  
Fair Value, ending balance [10],[19],[20] $ 633  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,130,387.32  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 316  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 21,800 21,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 21,800  
Fair Value, ending balance [10] 21,364  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10] $ 0  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, Class A-3 Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 191,049.33 [15],[19],[20],[29] 191,049.33 [16],[17],[18],[30]
Principal Amount - Debt Investments [17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18],[30] $ 2,000  
Fair Value, ending balance [10],[19],[20],[29] 1,362  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,875 9,716
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,550  
Fair Value, ending balance [10] 11,875  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,875 9,716
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,550  
Fair Value, ending balance [10] 5,106  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,424  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,395  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,424  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,424  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,148  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 5,148  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,973  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,973  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   7,478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,104  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   7,478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,356  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, First Lien-Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   3,176
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,097  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000 4,400
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,180  
Fair Value, ending balance [10] 5,000  
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,000 13,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,753  
Fair Value, ending balance [10] 13,000  
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 500 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 500  
Investment, Identifier [Axis]: NINJATRADER, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: NINJATRADER, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 34,698 $ 23,150
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 23,150  
Fair Value, ending balance [10] $ 34,698  
Investment, Identifier [Axis]: NINJATRADER, INC., Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000,000 [15],[19],[20],[29] 2,000,000 [16],[17],[18],[30]
Principal Amount - Debt Investments [17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18],[30] $ 11,138  
Fair Value, ending balance [10],[19],[20],[29] 17,771  
Investment, Identifier [Axis]: NINJATRADER, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: NWN PARENT HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   12,688
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,510  
Investment, Identifier [Axis]: NWN PARENT HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   1,020
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 1,006  
Investment, Identifier [Axis]: ONE GROUP, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: ONE GROUP, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,972  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 9,876  
Investment, Identifier [Axis]: OPCO BORROWER, LLC , Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Investment, Identifier [Axis]: OPCO BORROWER, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,661 9,052
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,052  
Fair Value, ending balance [10] 8,661  
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,000 3,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,000  
Fair Value, ending balance [10] 3,000  
Investment, Identifier [Axis]: OPCO BORROWER, LLC, Warrants (Expiration - August 19, 2029)    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 399  
Fair Value, ending balance [10] $ 1,006  
Investment, Identifier [Axis]: OUTERBOX, LLC, Class A common units    
Schedule of Investments [Line Items]    
Shares (in shares) 6,308.2584 [6],[15],[19],[20] 6,308.2584 [16],[17],[18]
Principal Amount - Debt Investments $ 0 $ 0 [17],[18]
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],[17],[18] 773  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (192)  
Fair Value, ending balance [6],[10],[19],[20] 581  
Investment, Identifier [Axis]: OUTERBOX, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,625 [6] 14,625
Amount of Interest or Dividends Credited in Income 1,861  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,552  
Gross Additions 39  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (69)  
Fair Value, ending balance [6],[10] 14,522  
Investment, Identifier [Axis]: OUTERBOX, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [6],[21] 0 [14]
Amount of Interest or Dividends Credited in Income 11  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Gross Additions 6  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (6)  
Fair Value, ending balance [6],[10],[21] 0  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [20],[21],[28] 1,056  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[20],[21],[28] 1,056  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,583 [20],[28] 9,750 [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[18] 9,565  
Fair Value, ending balance [10],[20],[28] 7,583  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14],[18]   500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[18] 490  
Investment, Identifier [Axis]: POOL SERVICE HOLDINGS, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6],[21] 600  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[21] 588  
Investment, Identifier [Axis]: POOL SERVICE HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6] 5,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] 4,900  
Investment, Identifier [Axis]: POOL SERVICE HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6] 1,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 980  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC., Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 10,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 1,384  
Investment, Identifier [Axis]: Pool Service Partners, Inc., Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 10,000  
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 1,000  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 384  
Fair Value, ending balance 1,384  
Investment, Identifier [Axis]: Pool Service Partners, Inc., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 600  
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 518  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 70  
Fair Value, ending balance 588  
Investment, Identifier [Axis]: Pool Service Partners, Inc., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,000  
Amount of Interest or Dividends Credited in Income 173  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 4,904  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (4)  
Fair Value, ending balance 4,900  
Investment, Identifier [Axis]: Pool Service Partners, Inc., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000  
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 981  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1)  
Fair Value, ending balance 980  
Investment, Identifier [Axis]: RESEARCH NOW GROUP, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,649  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,804  
Investment, Identifier [Axis]: RESEARCH NOW GROUP, INC., Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,500 [26] $ 10,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,431  
Fair Value, ending balance [10],[26] 2,940  
Investment, Identifier [Axis]: RETAIL SERVICES WIS CORPORATION, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,676  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,651  
Investment, Identifier [Axis]: REVO BRANDS, INC., First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,167  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 10,947  
Investment, Identifier [Axis]: REVO BRANDS, INC., First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,167  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 10,947  
Investment, Identifier [Axis]: REVO BRANDS, INC., First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,167  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 10,947  
Investment, Identifier [Axis]: REVO BRANDS, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: ROOF OPCO, LLC, Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 535,714.29 [15],[19],[20] 535,714.29 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 750  
Fair Value, ending balance [10],[19],[20] $ 775  
Investment, Identifier [Axis]: ROOF OPCO, LLC, Class B Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 250,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 262  
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   21,633
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 21,071  
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,261  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,638  
Investment, Identifier [Axis]: ROOF OPCO, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,261  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,638  
Investment, Identifier [Axis]: ROOF OPCO, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 16,084 [6],[15] 16,084 [16]
Principal Amount - Debt Investments $ 0 $ 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] 422  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 325  
Fair Value, ending balance [6],[10] $ 747  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,100 [6],[15] 1,100 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 161  
Fair Value, ending balance [6],[10] $ 183  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,364 [6],[15] 3,364 [16]
Principal Amount - Debt Investments $ 0 $ 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] 694  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 68  
Fair Value, ending balance [6],[10] 762  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,906 [6] 15,051
Amount of Interest or Dividends Credited in Income 1,887  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,524  
Gross Additions 26  
Gross Reductions (145)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 501  
Fair Value, ending balance [6],[10] 14,906  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [6],[21] 575 [14]
Amount of Interest or Dividends Credited in Income 53  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 555  
Gross Additions 9  
Gross Reductions (575)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 11  
Fair Value, ending balance [6],[10],[21] 0  
Investment, Identifier [Axis]: RTIC SUBSIDIARY HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,684 6,166
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,364  
Fair Value, ending balance [10] 5,639  
Investment, Identifier [Axis]: RTIC SUBSIDIARY HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,068 [21] 822 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 715  
Fair Value, ending balance [10],[21] $ 1,060  
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 161  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 22  
Fair Value, ending balance $ 183  
Investment, Identifier [Axis]: Roseland Management, LLC, Class A-2 units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,364  
Investment, Identifier [Axis]: SCRIP INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments $ 16,583 $ 16,750 [23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[23] 15,594  
Fair Value, ending balance [10] $ 16,416  
Investment, Identifier [Axis]: SCRIP INC., Shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) 100 [15] 100 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 751  
Fair Value, ending balance [10] $ 751  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 40,000 [15],[19],[20],[28] 40,000 [16],[18]
Principal Amount - Debt Investments [18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[18] $ 85  
Fair Value, ending balance [10],[19],[20],[28] $ 787  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,200,000 [15],[19],[20],[28],[29] 1,200,000 [16],[18]
Principal Amount - Debt Investments [18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[18] $ 2,558  
Fair Value, ending balance [10],[19],[20],[28],[29] 644  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [18]   13,643
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[18] 13,643  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14],[18] 0  
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   238,095.24
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 411  
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   11,382
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,040  
Investment, Identifier [Axis]: SIB HOLDINGS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 702
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 681  
Investment, Identifier [Axis]: SONOBI, INC., Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [6],[15],[19],[20] 500,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,749  
Fair Value, ending balance [6],[10],[19],[20] 1,958  
Investment, Identifier [Axis]: SOUTH COAST TERMINALS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,413 17,839
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,839  
Fair Value, ending balance [10] 14,269  
Investment, Identifier [Axis]: SOUTH COAST TERMINALS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC, Common units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,074,786 [15],[19],[20] 1,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,000  
Fair Value, ending balance [10],[19],[20] 661  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 22,188 $ 22,358
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 21,934  
Fair Value, ending balance [10] $ 20,833  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 750 [15],[19],[20],[29] 750 [16],[17],[18],[30]
Principal Amount - Debt Investments [17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18],[30] $ 972  
Fair Value, ending balance [10],[19],[20],[29] 1,164  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,637 7,481
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,481  
Fair Value, ending balance [10] 6,637  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: STATINMED, LLC, Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 4,718.62 [6],[15] 4,718.62 [16]
Principal Amount - Debt Investments $ 0 $ 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] 3,767  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (3,767)  
Fair Value, ending balance [6],[10] $ 0  
Investment, Identifier [Axis]: STATINMED, LLC, Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 39,097.96 [6],[15] 39,097.96 [16]
Principal Amount - Debt Investments $ 0 $ 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] 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance [6],[10] 0  
Investment, Identifier [Axis]: STATINMED, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   122
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 122  
Investment, Identifier [Axis]: STATINMED, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,560 [6],[26] $ 7,288
Amount of Interest or Dividends Credited in Income 276  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,288  
Gross Additions 272  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (2,646)  
Fair Value, ending balance [6],[10],[26] 4,914  
Investment, Identifier [Axis]: STATinMED, LLC, Delayed Draw Term 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 122  
Gross Additions 2  
Gross Reductions (124)  
Amount of Realized Gain/(Loss) 1  
Amount of Unrealized Gain/(Loss) (1)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: STELLANT MIDCO, LLC, First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,794  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 1,794  
Investment, Identifier [Axis]: STELLANT MIDCO, LLC, First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 796  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 796  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, 10,502,487.46 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16]   10,502,487.46
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,845  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [6],[26] 9,644  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[26] $ 3,376  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, Preferred Units 1    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15] 10,502,487.46  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10] $ 0  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC, Preferred Units 2    
Schedule of Investments [Line Items]    
Shares (in shares) [6],[15],[19],[20] 2,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [6],[10],[19],[20] $ 0  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 8,889
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,720  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER, LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[17],[18]   2,000,000
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 0  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,840  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 7,840  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: SYSTEC CORPORATION, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,440 9,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,000  
Fair Value, ending balance [10] 8,372  
Investment, Identifier [Axis]: SYSTEC CORPORATION, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,000 $ 1,600 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 1,600  
Fair Value, ending balance [10] $ 1,984  
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 1,749  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 209  
Fair Value, ending balance 1,958  
Investment, Identifier [Axis]: Student Resource Center LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,644  
Amount of Interest or Dividends Credited in Income 590  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 8,720  
Gross Additions 776  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (6,120)  
Fair Value, ending balance $ 3,376  
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 5,845  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (5,845)  
Fair Value, ending balance $ 0  
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  
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC, Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,500,000 [15],[19],[20],[29] 1,500,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 7,833  
Fair Value, ending balance [10],[19],[20],[29] 12,054  
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 17,447 $ 17,655
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,655  
Fair Value, ending balance [10] $ 17,447  
Investment, Identifier [Axis]: TMT BHC BUYER, INC., Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 500,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 500  
Investment, Identifier [Axis]: TMT BHC BUYER, INC., Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: TMT BHC BUYER, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 9,802  
Investment, Identifier [Axis]: TMT BHC BUYER, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] $ 0  
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), Class A units    
Schedule of Investments [Line Items]    
Shares (in shares) 896.43 [15],[19],[20] 896.43 [16],[17],[18],[30]
Principal Amount - Debt Investments [17],[18],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18],[30] $ 1,509  
Fair Value, ending balance [10],[19],[20] 583  
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,675 [24] 5,775 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 5,775  
Fair Value, ending balance [10],[24] 5,590  
Investment, Identifier [Axis]: TRAFERA, LLC (FKA TRINITY 3, LLC), Unsecured convertible note    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 75 [19],[20] $ 92 [17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] 92  
Fair Value, ending balance [10],[19],[20] 75  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,251  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 14,948  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,251  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 14,948  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC, Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[19],[20] $ 1,000  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21] 100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10],[21] 98  
Investment, Identifier [Axis]: U.S. TELEPACIFIC CORP., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,409  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 923  
Investment, Identifier [Axis]: U.S. TELEPACIFIC CORP., Third Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 230  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 54  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-3 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 1,354  
Fair Value, ending balance [10],[19],[20] $ 1,346  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-4 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) 211,862.61 [15],[19],[20] 211,862.61 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 278  
Fair Value, ending balance [10],[19],[20] $ 273  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., Class D-5 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) 211,465.87 [15],[19],[20] 211,465.87 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 275  
Fair Value, ending balance [10],[19],[20] 269  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,800 16,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 16,800  
Fair Value, ending balance [10] 14,800  
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   11,498
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,498  
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,381  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 11,381  
Investment, Identifier [Axis]: USA DEBUSK, LLC, First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,660  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 1,660  
Investment, Identifier [Axis]: VEREGY CONSOLIDATED, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,546  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 1,515  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   2,400
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,357  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,200 13,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 13,257  
Fair Value, ending balance [10] 12,200  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,200  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 12,200  
Investment, Identifier [Axis]: VERSICARE MANAGEMENT LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 0  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: VIDA CAPITAL, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,362  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] $ 2,065  
Investment, Identifier [Axis]: VISTAR MEDIA INC., Shares of Series A preferred stock    
Schedule of Investments [Line Items]    
Shares (in shares) 171,617 [15],[19],[20] 171,617 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 9,054  
Fair Value, ending balance [10],[19],[20] $ 8,485  
Investment, Identifier [Axis]: VTX HOLDINGS, INC., Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,597,707 [15],[19],[20] 1,597,707 [16],[17],[18]
Principal Amount - Debt Investments [17],[18]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[17],[18] $ 2,694  
Fair Value, ending balance [10],[19],[20] $ 3,466  
Investment, Identifier [Axis]: WALL STREET PREP, INC., Class A-1 Preferred Shares    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [16]
Principal Amount - Debt Investments   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 1,205  
Fair Value, ending balance [10],[19],[20] 2,012  
Investment, Identifier [Axis]: WALL STREET PREP, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,239 10,588
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,588  
Fair Value, ending balance [10] 9,239  
Investment, Identifier [Axis]: WALL STREET PREP, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: WELL-FOAM, INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,541 17,730
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,730  
Fair Value, ending balance [10] 12,541  
Investment, Identifier [Axis]: WELL-FOAM, INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 0  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,133 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10] 4,009  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   20,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 20,000  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,967  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 15,488  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,967  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 15,488  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC, Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,556 [21] 0 [14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[14] 0  
Fair Value, ending balance [10],[21] 3,449  
Investment, Identifier [Axis]: YS GARMENTS, LLC, First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,953  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [10] 2,401  
Investment, Identifier [Axis]: ZENFOLIO INC., First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,744 18,913
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 18,478  
Fair Value, ending balance [10] 19,547  
Investment, Identifier [Axis]: ZENFOLIO INC., Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,000 [21] 2,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 1,954  
Fair Value, ending balance [10],[21] 1,980  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC, Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,719 15,840
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,634  
Fair Value, ending balance [10] 15,656  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC, Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,940 $ 3,970
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,919  
Fair Value, ending balance [10] $ 3,924  
[1] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[2] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[3] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the Board of Directors, using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements to our audited consolidated financial statements for further discussion.
[4] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[5] Unless otherwise noted, all portfolio company headquarters are based in the United States.
[6] Affiliate investments are generally defined by the 1940 Act as investments in which between 5% and 25% of the voting securities are owned and the investments are not classified as control investments. At March 31, 2024, the Company held $190.2 million of affiliate investments, which represented approximately 12.9% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 25.2%.
[7] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[8] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At March 31, 2024, the Company did not hold any control investments.
[9] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act, as investments that are neither control investments nor affiliate investments. At March 31, 2024, the Company held $1,286.4 million of non-control/non-affiliate investments, which represented approximately 87.1% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 170.2%.
[10] The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[11] Control investments are generally defined by the 1940 Act as investments in which more than 25% of the voting securities are owned. At March 31, 2023, approximately 4.2% of the Company’s investment assets were control investments. The fair value of these investments as a percent of net assets is 8.7%.
[12] The investment is structured as a first lien first out term loan.
[13] The investment is structured as a first lien first out term loan.
[14] The investment has an unfunded commitment as of March 31, 2023. Refer to Note 11 - Commitments and Contingencies to our audited consolidated financial statements for further discussion.
[15] All of the Company’s investments, the investments of Capital Southwest SPV LLC ("SPV") and the investments of SBIC I (as defined below) are pledged as collateral for the Company’s senior secured revolving credit facility, the SPV's financing credit facility or in support of the SBA-guaranteed debentures to be issued by Capital Southwest SBIC I, LP, the Company's wholly-owned subsidiary that operates as a small business investment company ("SBIC I"), respectively.
[16] 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.
[17] Investment is held through a wholly-owned taxable subsidiary.
[18] 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 March 31, 2023, approximately 13.9% of the Company's assets were non-qualifying assets.
[19] Investment is held through a wholly-owned taxable subsidiary.
[20] 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 March 31, 2024, approximately 10.6% of the Company's total assets (at fair value) were non-qualifying assets.
[21] The investment has an unfunded commitment as of March 31, 2024. Refer to Note 11 - Commitments and Contingencies for further discussion.
[22] The investment is structured as a first lien last out term loan.
[23] The investment is structured as a first lien last out term loan.
[24] The investment is structured as a split lien term loan, which provides the Company with a first lien priority on certain assets of the obligor and a second lien priority on different assets of the obligor.
[25] The investment is structured as a split lien term loan, which provides the Company with a first lien priority on certain assets of the obligor and a second lien priority on different assets of the obligor.
[26] Investment is on non-accrual status as of March 31, 2024, meaning the Company has ceased to recognize interest income on the investment.
[27] Investment is on non-accrual status as of March 31, 2023, meaning the Company has ceased to recognize interest income on the investment.
[28] Portfolio company headquarters are located outside of the United States.
[29] Income producing through dividends or distributions.
[30] Income producing through dividends or distributions.