v3.26.1
Schedule of Investments in and Advances to Affiliates (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [1],[2],[3],[4],[5] $ 1,785,299  
Fair Value, ending balance [6],[7],[8],[9],[10] 2,097,446  
Control investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 79,322  
Amount of Interest or Dividends Credited in Income 3,259  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 56,092  
Gross Additions 23,739  
Gross Reductions (2,445)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (3,125)  
Fair Value, ending balance 74,261  
Affiliate investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 275,101  
Amount of Interest or Dividends Credited in Income 40,981  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 292,891  
Gross Additions 110,335  
Gross Reductions (70,019)  
Amount of Realized Gain/(Loss) (6,901)  
Amount of Unrealized Gain/(Loss) 14,454  
Fair Value, ending balance 340,760  
Total Control & Affiliate Investments    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 354,423  
Amount of Interest or Dividends Credited in Income 44,240  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 348,983  
Gross Additions 134,074  
Gross Reductions (72,464)  
Amount of Realized Gain/(Loss) (6,901)  
Amount of Unrealized Gain/(Loss) 11,329  
Fair Value, ending balance 415,021  
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 26,220 [11] $ 23,677 [12]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[12] 23,203  
Fair Value, ending balance [8],[11] 26,220  
Investment, Identifier [Axis]: 360 QUOTE TOPCO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,346 [13] 3,346
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,279  
Fair Value, ending balance [8],[13] $ 2,346  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15] 617,803  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Delayed Draw Term Loan 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 887  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 887  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Delayed Draw Term Loan 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 1,021  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 1,021  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 218 [14] 181 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 181  
Fair Value, ending balance [8],[14] 218  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,360 [14] 2,933 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 2,933  
Fair Value, ending balance [8],[14] 3,360  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,023 [14],[17] $ 2,933 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 2,933  
Fair Value, ending balance [8],[14],[17] $ 1,342  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15] 11,909,274  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Warrants (Expiration - December 11, 2025)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 0  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | Warrants (Expiration - November 24, 2032)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 0  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18]   617,803
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 0  
Investment, Identifier [Axis]: AAC NEW HOLDCO INC. | shares of preferred stock    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18]   6,257,941
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 5,702  
Investment, Identifier [Axis]: AAC New Holdco Inc. | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 617,803  
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]: AAC New Holdco Inc. | Delayed Draw Term Loan 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 887  
Amount of Interest or Dividends Credited in Income 105  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 887  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 887  
Investment, Identifier [Axis]: AAC New Holdco Inc. | Delayed Draw Term Loan 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,021  
Amount of Interest or Dividends Credited in Income 50  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,021  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 1,021  
Investment, Identifier [Axis]: AAC New Holdco Inc. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 218  
Amount of Interest or Dividends Credited in Income 37  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 181  
Gross Additions 37  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 218  
Investment, Identifier [Axis]: AAC New Holdco Inc. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,360  
Amount of Interest or Dividends Credited in Income 428  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,933  
Gross Additions 427  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 3,360  
Investment, Identifier [Axis]: AAC New Holdco Inc. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,023  
Amount of Interest or Dividends Credited in Income 90  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,933  
Gross Additions 90  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,681)  
Fair Value, ending balance $ 1,342  
Investment, Identifier [Axis]: AAC New Holdco Inc. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 11,909,274  
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 5,702  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (5,702)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: AAC New Holdco Inc. | Warrants    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 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]: ACACIA BUYERCO V LLC | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 13,773  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 8  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC | Class B-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 552  
Fair Value, ending balance [8],[19],[20] 587  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,000 $ 10,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,550  
Fair Value, ending balance [8] 8,370  
Investment, Identifier [Axis]: ACACIA BUYERCO V LLC | Revolver Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 0  
Fair Value, ending balance [8] 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 20,134 [23],[24] $ 19,749 [25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[25] 19,749  
Fair Value, ending balance [8],[23],[24] $ 19,690  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,019 [15],[19],[20] 1,019 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: ACCELERATION PARTNERS, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,019 [15],[19],[20] 1,019 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,281  
Fair Value, ending balance [8],[19],[20] $ 746  
Investment, Identifier [Axis]: ACCELERATION, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,611.22 [15],[19],[20] 1,611.22 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] $ 15  
Investment, Identifier [Axis]: ACCELERATION, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,451.22 [15],[19],[20] 13,451.22 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,363  
Fair Value, ending balance [8],[19],[20] 1,970  
Investment, Identifier [Axis]: ACE GATHERING, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,146 [26] $ 3,953 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 3,953  
Fair Value, ending balance [8],[26] 3,147  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,113 [24] 2,937 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 2,893  
Fair Value, ending balance [8],[24] 6,064  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 22,337 [24] 21,077 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 20,761  
Fair Value, ending balance [8],[24] 22,158  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,389 [13],[24] $ 695 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 685  
Fair Value, ending balance [8],[13],[24] 1,378  
Investment, Identifier [Axis]: AIR CONDITIONING SPECIALIST, INC. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   1,006,045.85
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] 2,941  
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP | 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] 173  
Fair Value, ending balance [8] $ 173  
Investment, Identifier [Axis]: ALLIANCE SPORTS GROUP, L.P | membership preferred interest    
Schedule of Investments [Line Items]    
Ownership percent 3.88% [15] 3.88% [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 2,840  
Fair Value, ending balance [8] $ 1,004  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 21,062.03 [14],[15] 21,062.03 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 1,843  
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC | Class C Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 28.16 [14],[15],[19],[20] 28.16 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Fair Value, ending balance [8],[14],[19],[20] 0  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,455 [14] $ 5,851 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 5,851  
Fair Value, ending balance [8],[14] 6,455  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,455 [14] 5,851 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 4,973  
Fair Value, ending balance [8],[14] 5,241  
Investment, Identifier [Axis]: AMERICAN NUTS OPERATIONS LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 246  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 246  
Investment, Identifier [Axis]: AMERICAN PET RESORT, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 1,900  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 1,884  
Investment, Identifier [Axis]: AMERICAN PET RESORT, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 13,139  
Investment, Identifier [Axis]: AMERICAN PET RESORT, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 13,139  
Investment, Identifier [Axis]: AMERICAN PET RESORT, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 6,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 5,950  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,079 13,261
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,802  
Fair Value, ending balance [8] 12,263  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,217 13,261
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,802  
Fair Value, ending balance [8] 9,582  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES,LLC (FKA ROOF OPCO, LLC) | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 535,714.29 [15],[19],[20] 535,714.29 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 664  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES,LLC (FKA ROOF OPCO, LLC) | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 496,674.92 [15],[19],[20] 496,674.92 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: APPLE ROOFING ADMINISTRATIVE SERVICES,LLC (FKA ROOF OPCO, LLC) | Class B Units    
Schedule of Investments [Line Items]    
Shares (in shares) 250,000 [15],[19],[20] 250,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 100 [14],[15],[19],[20] 100 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 5  
Fair Value, ending balance [8],[14],[19],[20] $ 12  
Investment, Identifier [Axis]: ARBORWORKS, LLC | Class A-1 Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,666.67 [14],[15] 1,666.67 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC | Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,898.32 [14],[15] 13,898.32 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 3,032  
Fair Value, ending balance [8],[14] $ 7,534  
Investment, Identifier [Axis]: ARBORWORKS, LLC | Class B-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 13,898.32 [14],[15] 13,898.32 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] 0  
Investment, Identifier [Axis]: ARBORWORKS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,928 [14] $ 3,515
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,473  
Fair Value, ending balance [8],[14] 3,928  
Investment, Identifier [Axis]: ARBORWORKS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,852 [13],[14] $ 886 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 886  
Fair Value, ending balance [8],[13],[14] 1,852  
Investment, Identifier [Axis]: ARKSTONE MEDICAL SOLUTIONS LLC | First Lien - Term Loan A    
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 [8] 14,850  
Investment, Identifier [Axis]: ARKSTONE MEDICAL SOLUTIONS LLC | First Lien - Term Loan B    
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 [8] 2,475  
Investment, Identifier [Axis]: ARKSTONE MEDICAL SOLUTIONS LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: ARMKO, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 400  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 400  
Investment, Identifier [Axis]: ARMKO, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 16,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 16,137  
Investment, Identifier [Axis]: ARMKO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
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 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 234  
Fair Value, ending balance [8],[19],[20] 0  
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] 9,250  
Fair Value, ending balance [8] 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] 9,250  
Fair Value, ending balance [8] $ 9,250  
Investment, Identifier [Axis]: ATS OPERATING, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,220  
Fair Value, ending balance [8],[19],[20] 1,391  
Investment, Identifier [Axis]: ATS OPERATING, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,250 [13] $ 1,250 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 1,250  
Fair Value, ending balance [8],[13] 2,250  
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 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,893  
Gross Additions 0  
Gross Reductions (2,893)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Air Conditioning Specialist, Inc. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 20,761  
Gross Additions 0  
Gross Reductions (20,761)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: Air Conditioning Specialist, Inc. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,006,045.85  
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 2,941  
Gross Additions 0  
Gross Reductions (5,431)  
Amount of Realized Gain/(Loss) 4,087  
Amount of Unrealized Gain/(Loss) (1,597)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Air Conditioning Specialist, Inc. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 685  
Gross Additions 0  
Gross Reductions (685)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: American Nuts Operations LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 21,062.03  
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 1,843  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,843)  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: American Nuts Operations LLC | Class C Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 28.16  
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]: American Nuts Operations LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,455  
Amount of Interest or Dividends Credited in Income 792  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 5,851  
Gross Additions 604  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 6,455  
Investment, Identifier [Axis]: American Nuts Operations LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,455  
Amount of Interest or Dividends Credited in Income 792  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,973  
Gross Additions 604  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (336)  
Fair Value, ending balance 5,241  
Investment, Identifier [Axis]: American Nuts Operations LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 246  
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 246  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 246  
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 5  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 7  
Fair Value, ending balance $ 12  
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 3,032  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 4,502  
Fair Value, ending balance $ 7,534  
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 3,928  
Amount of Interest or Dividends Credited in Income 403  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,473  
Gross Additions 413  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 42  
Fair Value, ending balance 3,928  
Investment, Identifier [Axis]: ArborWorks, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,852  
Amount of Interest or Dividends Credited in Income 204  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 886  
Gross Additions 1,003  
Gross Reductions (37)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 1,852  
Investment, Identifier [Axis]: BETTER THAN HOME, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 8,300  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 8,242  
Investment, Identifier [Axis]: BETTER THAN HOME, INC. | First Lien    
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 [8] 11,916  
Investment, Identifier [Axis]: BETTER THAN HOME, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: BINSWANGER HOLDING CORP. | shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [18]   900,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 800  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000 [15],[19],[20],[29] 1,000 [18],[21],[22],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[30] $ 0  
Fair Value, ending balance [8],[19],[20],[29] 0  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [19],[29] 1,952  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[29] 1,952  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,775 [19],[29] $ 8,865
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,865  
Fair Value, ending balance [8],[19],[29] 8,775  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,775 [19],[29] $ 8,865
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,865  
Fair Value, ending balance [8],[19],[29] $ 8,775  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000 [15],[19],[20],[29] 1,000 [18],[21],[22],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[30] $ 799  
Fair Value, ending balance [8],[19],[20],[29] 949  
Investment, Identifier [Axis]: BOND BRAND LOYALTY ULC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 800 [13],[19],[29] $ 800 [21],[28],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[28],[30] 800  
Fair Value, ending balance [8],[13],[19],[29] 800  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC. | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   9,553
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,553  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC. | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   2,188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,188  
Investment, Identifier [Axis]: BP LOENBRO HOLDINGS INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 330
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] $ 330  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 27,000 [15],[19],[20],[31] 27,000 [18],[21],[22],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[32] $ 0  
Fair Value, ending balance [8],[19],[20],[31] 0  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [32]   $ 8,750
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32] 7,437  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [17],[31] 9,138  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[17],[31] 6,396  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [17],[31] 136  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[17],[31] 96  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28],[32]   100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28],[32] 85  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | Revolving Loan 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[17],[31] 140  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[17],[31] 92  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | Revolving Loan 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [17],[31] 541  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[17],[31] 385  
Investment, Identifier [Axis]: BRANDNER DESIGN, LLC | Warrants (Expiration - December 18, 2030)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20],[31] 0  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21],[22],[28]   $ 65
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[28] $ 65  
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 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,704  
Fair Value, ending balance [8],[19],[20] $ 1,505  
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 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 232  
Fair Value, ending balance [8],[19],[20] $ 160  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC | Series D Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 93,790 [15],[19],[20] 93,790 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 247  
Fair Value, ending balance [8],[19],[20] $ 238  
Investment, Identifier [Axis]: BROAD SKY NETWORKS LLC | Series F Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 182,082  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 564  
Investment, Identifier [Axis]: BURNING GLASS INTERMEDIATE HOLDING COMPANY, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 2,093
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,093  
Investment, Identifier [Axis]: BURNING GLASS INTERMEDIATE HOLDING COMPANY, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] $ 0  
Investment, Identifier [Axis]: Brandner Design, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 27,000  
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]: Brandner Design, LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,138  
Amount of Interest or Dividends Credited in Income 714  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 7,437  
Gross Additions 398  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,439)  
Fair Value, ending balance 6,396  
Investment, Identifier [Axis]: Brandner Design, LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 136  
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 300  
Gross Reductions (163)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (41)  
Fair Value, ending balance 96  
Investment, Identifier [Axis]: Brandner Design, LLC | Revolving Loan 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 140  
Amount of Interest or Dividends Credited in Income 13  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 85  
Gross Additions 42  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (35)  
Fair Value, ending balance 92  
Investment, Identifier [Axis]: Brandner Design, LLC | Revolving Loan 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 541  
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 650  
Gross Reductions (109)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (156)  
Fair Value, ending balance 385  
Investment, Identifier [Axis]: Brandner Design, LLC | Warrants    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 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]: C&M CONVEYOR, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,500 [26] 6,500 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 6,500  
Fair Value, ending balance [8],[26] 6,370  
Investment, Identifier [Axis]: C&M CONVEYOR, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,500 [26] 6,500 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 6,500  
Fair Value, ending balance [8],[26] 6,370  
Investment, Identifier [Axis]: C&M CONVEYOR, INC. | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,810 [26] 7,810 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 7,810  
Fair Value, ending balance [8],[26] 7,716  
Investment, Identifier [Axis]: C&M CONVEYOR, INC. | First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,810 [26] 7,810 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 7,810  
Fair Value, ending balance [8],[26] 7,716  
Investment, Identifier [Axis]: CADMIUM, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,984 7,994
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,802  
Fair Value, ending balance [8] 7,847  
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] 601  
Fair Value, ending balance [8] $ 605  
Investment, Identifier [Axis]: CAMPANY ROOF MAINTENANCE, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,951.56 [15],[19],[20] 2,951.56 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 441  
Fair Value, ending balance [8],[19],[20] 0  
Investment, Identifier [Axis]: CAMPANY ROOF MAINTENANCE, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,162 $ 15,353
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,739  
Fair Value, ending balance [8] 10,859  
Investment, Identifier [Axis]: CAMPANY ROOF MAINTENANCE, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] $ 0  
Investment, Identifier [Axis]: CATBIRD NYC, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [14],[15],[19],[20],[33] 1,000,000 [16],[18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22],[34] $ 1,805  
Fair Value, ending balance [8],[14],[19],[20],[33] $ 1,941  
Investment, Identifier [Axis]: CATBIRD NYC, LLC | Class B Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [13],[14],[15],[19],[20],[33] 500,000 [16],[18],[21],[22],[28],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22],[28],[34] $ 797  
Fair Value, ending balance [8],[13],[14],[19],[20],[33] 853  
Investment, Identifier [Axis]: CATBIRD NYC, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,177 [14] $ 14,700 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 14,700  
Fair Value, ending balance [8],[14] 14,121  
Investment, Identifier [Axis]: CATBIRD NYC, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000 [13],[14] $ 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14] $ 996  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 871,973 [15],[19],[20] 871,972.67 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] 0  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,433 [24] $ 10,500 [35]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[35] 10,500  
Fair Value, ending balance [8],[24] $ 15,432  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 871,973 [15],[19],[20] 871,972.67 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,017  
Fair Value, ending balance [8],[19],[20] 1,148  
Investment, Identifier [Axis]: CAVALIER BUYER, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] $ 0  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC | Class Y Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,569 [15],[19],[20] 1,569 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,065  
Fair Value, ending balance [8],[19],[20] 2,551  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,175 $ 5,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,390  
Fair Value, ending balance [8] 4,175  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,175 5,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,390  
Fair Value, ending balance [8] 4,175  
Investment, Identifier [Axis]: CDC DENTAL MANAGEMENT CO., LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 500 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 490  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[28]   101
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 101  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 20,616 [14] $ 18,540 [16],[35]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[35] 18,525  
Fair Value, ending balance [8],[14] $ 20,616  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,620,670 [14],[15],[19],[20] 2,620,670 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 3,163  
Fair Value, ending balance [8],[14],[19],[20] 3,163  
Investment, Identifier [Axis]: CENTRAL MEDICAL SUPPLY LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000 [13],[14] $ 1,450 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 1,450  
Fair Value, ending balance [8],[13],[14] $ 1,000  
Investment, Identifier [Axis]: CHALET DESSERTS, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 750,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 750  
Investment, Identifier [Axis]: CHALET DESSERTS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,750  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 12,624  
Investment, Identifier [Axis]: CHALET DESSERTS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 0  
Investment, Identifier [Axis]: CITYVET INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 45,000 35,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 34,965  
Fair Value, ending balance [8] 44,190  
Investment, Identifier [Axis]: CLEARWATER GROUP, LLC | First Lien    
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 [8] $ 7,931  
Investment, Identifier [Axis]: CLEARWATER GROUP, LLC | 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 [8],[19],[20] $ 1,000  
Investment, Identifier [Axis]: CLEARWATER GROUP, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 1,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 1,487  
Investment, Identifier [Axis]: CLEARWATER GROUP, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: CLUTCH, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 13,869  
Investment, Identifier [Axis]: CLUTCH, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 13,869  
Investment, Identifier [Axis]: CLUTCH, INC. | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 13,869  
Investment, Identifier [Axis]: CLUTCH, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: COMMAND GROUP ACQUISITION, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,000 [14] $ 6,000 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 5,880  
Fair Value, ending balance [8],[14] $ 6,000  
Investment, Identifier [Axis]: COMMAND GROUP ACQUISITION, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,250,000 [14],[15],[19],[20] 1,250,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 1,038  
Fair Value, ending balance [8],[14],[19],[20] $ 1,510  
Investment, Identifier [Axis]: CRAFTY APES, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15] 1,519  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] $ 1,555  
Investment, Identifier [Axis]: CRAFTY APES, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18]   1,519.07
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 5,037  
Investment, Identifier [Axis]: CRAFTY APES, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[14],[23] $ 0 [16],[25],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[25],[28] 0  
Fair Value, ending balance [8],[13],[14],[23] 0  
Investment, Identifier [Axis]: CRAFTY APES, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,269 [14],[23] 3,833 [16],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[25] 3,653  
Fair Value, ending balance [8],[14],[23] 3,842  
Investment, Identifier [Axis]: CUMBRIA CAPITAL MSO, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 759 [13] 1,050 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 1,043  
Fair Value, ending balance [8],[13] 759  
Investment, Identifier [Axis]: CUMBRIA CAPITAL MSO, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,400 5,400
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,362  
Fair Value, ending balance [8] 5,400  
Investment, Identifier [Axis]: CUMBRIA CAPITAL MSO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,250 [13],[24] $ 400 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 397  
Fair Value, ending balance [8],[13],[24] $ 1,250  
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 30  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 1,805  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 136  
Fair Value, ending balance $ 1,941  
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 15  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 797  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 56  
Fair Value, ending balance 853  
Investment, Identifier [Axis]: Catbird NYC, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,177  
Amount of Interest or Dividends Credited in Income 1,663  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 14,700  
Gross Additions 32  
Gross Reductions (522)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (89)  
Fair Value, ending balance 14,121  
Investment, Identifier [Axis]: Catbird NYC, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000  
Amount of Interest or Dividends Credited in Income 32  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 1,996  
Gross Reductions (1,000)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 996  
Investment, Identifier [Axis]: Central Medical Supply LLC | Delayed Draw Term Loan    
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 101  
Gross Additions (101)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Central Medical Supply LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 20,616  
Amount of Interest or Dividends Credited in Income 2,095  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 18,525  
Gross Additions 1,976  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 115  
Fair Value, ending balance $ 20,616  
Investment, Identifier [Axis]: Central Medical Supply LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,620,670  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,163  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 3,163  
Investment, Identifier [Axis]: Central Medical Supply LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000  
Amount of Interest or Dividends Credited in Income 146  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 1,450  
Gross Additions 1,510  
Gross Reductions (1,975)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 15  
Fair Value, ending balance 1,000  
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 714  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 5,880  
Gross Additions 21  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 99  
Fair Value, ending balance $ 6,000  
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 1,038  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 472  
Fair Value, ending balance $ 1,510  
Investment, Identifier [Axis]: Crafty Apes, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,519  
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 5,037  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (3,482)  
Fair Value, ending balance 1,555  
Investment, Identifier [Axis]: Crafty Apes, LLC | Delayed Draw Term Loan    
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) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Crafty Apes, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,269  
Amount of Interest or Dividends Credited in Income 505  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,653  
Gross Additions 504  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (315)  
Fair Value, ending balance 3,842  
Investment, Identifier [Axis]: DAMOTECH INC. | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   1,127
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] 2,738  
Investment, Identifier [Axis]: DAMOTECH INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21],[30]   $ 3,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[30] 3,000  
Investment, Identifier [Axis]: DAMOTECH INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21],[30]   5,100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[30] 5,100  
Investment, Identifier [Axis]: DAMOTECH INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21],[30]   $ 5,100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[30] 5,100  
Investment, Identifier [Axis]: DAMOTECH INC. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   1,127
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] 1,376  
Investment, Identifier [Axis]: DAMOTECH INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [21],[28],[30]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[28],[30] $ 0  
Investment, Identifier [Axis]: DELPHI LENDER HOLDCO LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 254 [15] 254 [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 0  
Fair Value, ending balance [8] $ 0  
Investment, Identifier [Axis]: DRIVE LINE SERVICE OF PORTLAND, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000,000 [15],[19],[20] 1,000,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,000  
Fair Value, ending balance [8],[19],[20] 726  
Investment, Identifier [Axis]: DRIVE LINE SERVICE OF PORTLAND, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,590 $ 8,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,919  
Fair Value, ending balance [8] 6,537  
Investment, Identifier [Axis]: DRIVE LINE SERVICE OF PORTLAND, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: DWS BUYER LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: DWS BUYER LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [24] 6,535  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[24] 6,437  
Investment, Identifier [Axis]: DWS BUYER LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: DWS BUYER LLC | Series A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 250  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 250,000 [14],[15],[19],[20] 250,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 317  
Fair Value, ending balance [8],[14],[19],[20] $ 166  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 5,435,211 [14],[15],[19],[20] 5,435,211.03 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Fair Value, ending balance [8],[14],[19],[20] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | Class C Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 255,984 [14],[15],[19],[20] 255,984.22 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Fair Value, ending balance [8],[14],[19],[20] $ 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,500,000 [14],[15],[19],[20] 2,500,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Fair Value, ending balance [8],[14],[19],[20] 0  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,376 [14] $ 4,766 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 4,766  
Fair Value, ending balance [8],[14] 5,107  
Investment, Identifier [Axis]: DYNAMIC COMMUNITIES, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,985 [14] 4,985 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 4,985  
Fair Value, ending balance [8],[14] $ 4,737  
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 317  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (151)  
Fair Value, ending balance $ 166  
Investment, Identifier [Axis]: Dynamic Communities, LLC | Class B Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 5,435,211  
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 | Class C Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 255,984  
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]: Dynamic Communities, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,376  
Amount of Interest or Dividends Credited in Income 614  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,766  
Gross Additions 614  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (273)  
Fair Value, ending balance 5,107  
Investment, Identifier [Axis]: Dynamic Communities, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,985  
Amount of Interest or Dividends Credited in Income 660  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,985  
Gross Additions 2  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (250)  
Fair Value, ending balance 4,737  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   17,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,500  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   17,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,500  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   17,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,500  
Investment, Identifier [Axis]: EDGE AUTONOMY HOLDINGS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: EMERALD TECHNOLOGIES (U.S.) ACQUISITIONCO, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   3,404
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,553  
Investment, Identifier [Axis]: EMERALD TECHNOLOGIES (U.S.) ACQUISITIONCO, INC. | First Lien - Term B Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,335  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 2,334  
Investment, Identifier [Axis]: ENSTOA, INC. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 181,823.83  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 1,065  
Investment, Identifier [Axis]: ENSTOA, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 4,841  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 4,841  
Investment, Identifier [Axis]: ENSTOA, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,259  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 9,259  
Investment, Identifier [Axis]: EVEREST TRANSPORTATION SYSTEMS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 6,159
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 4,312  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 629.465 [15] 615 [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 945  
Fair Value, ending balance [8] 977  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,547 [13] $ 3,608 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 3,568  
Fair Value, ending balance [8],[13] 3,490  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,663 6,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,726  
Fair Value, ending balance [8] 6,556  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,663 6,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,726  
Fair Value, ending balance [8] 6,556  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,312 11,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,374  
Fair Value, ending balance [8] 11,130  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,700  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 11,513  
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 [8] 385  
Investment, Identifier [Axis]: EXACT BORROWER, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: FLIP ELECTRONICS, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,446,170 [15],[19],[20] 2,446,170 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,761  
Fair Value, ending balance [8],[19],[20] 1,127  
Investment, Identifier [Axis]: FMT SOLUTIONS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,750 $ 6,750
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,682  
Fair Value, ending balance [8] 6,750  
Investment, Identifier [Axis]: FOOD PHARMA SUBSIDIARY HOLDINGS, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22],[34]   75,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] $ 1,708  
Investment, Identifier [Axis]: FOODPHARMA SUBSIDIARY HOLDINGS, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20],[33] 75,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20],[33] $ 1,917  
Investment, Identifier [Axis]: FOODPHARMA SUBSIDIARY HOLDINGS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,197 [24] $ 14,197
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,197  
Fair Value, ending balance [8],[24] 14,197  
Investment, Identifier [Axis]: FOODPHARMA SUBSIDIARY HOLDINGS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,197 [24] 14,197
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,197  
Fair Value, ending balance [8],[24] 14,197  
Investment, Identifier [Axis]: FOODPHARMA SUBSIDIARY HOLDINGS, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,197 [24] $ 14,197
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,197  
Fair Value, ending balance [8],[24] $ 14,197  
Investment, Identifier [Axis]: FS VECTOR LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,281 [15],[19],[20],[33] 1,280.58 [18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] $ 1,585  
Fair Value, ending balance [8],[19],[20],[33] 2,098  
Investment, Identifier [Axis]: FS VECTOR LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,000 $ 15,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,000  
Fair Value, ending balance [8] 15,000  
Investment, Identifier [Axis]: FS VECTOR LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,000 15,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,000  
Fair Value, ending balance [8] 15,000  
Investment, Identifier [Axis]: FS VECTOR LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,777 7,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,105  
Fair Value, ending balance [8] 5,911  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,413 [17] 7,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 6,105  
Fair Value, ending balance [8],[17] 5,152  
Investment, Identifier [Axis]: GAINS INTERMEDIATE, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 0  
Fair Value, ending balance [8] 0  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   1,000,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 2,747  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15],[19],[20],[33] 1,000,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14],[19],[20],[33] $ 2,714  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [12],[16]   $ 5,866
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[12],[16] 5,866  
Investment, Identifier [Axis]: GPT INDUSTRIES, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] $ 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 622  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,747  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (33)  
Fair Value, ending balance 2,714  
Investment, Identifier [Axis]: GPT Industries, LLC | First lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 457  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 5,866  
Gross Additions 79  
Gross Reductions (5,866)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (79)  
Fair Value, ending balance 0  
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 43  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 34  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (34)  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: GRAMMATECH, INC. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000 [14],[15] 1,000 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 336  
Fair Value, ending balance [8],[14] $ 201  
Investment, Identifier [Axis]: GRAMMATECH, INC. | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 360 [14],[15] 360 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 121  
Fair Value, ending balance [8],[14] 73  
Investment, Identifier [Axis]: GRAMMATECH, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   $ 563
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 563  
Investment, Identifier [Axis]: GRAMMATECH, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Investment, Identifier [Axis]: GRAVITIQ LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,248 [14] 15,000 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 14,082  
Fair Value, ending balance [8],[14] 12,248  
Investment, Identifier [Axis]: GRAVITIQ LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,248 [14] 15,000 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 14,082  
Fair Value, ending balance [8],[14] 12,248  
Investment, Identifier [Axis]: GRAVITIQ LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[14] $ 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: GRAVITIQ LLC | Warrants (Expiration - January 17, 2032)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] 1,597  
Fair Value, ending balance [8],[14],[19],[20] $ 6,855  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000,000 [15],[19],[20] 2,000,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 2,466  
Fair Value, ending balance [8],[19],[20] 2,749  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 26,641 $ 10,792
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,630  
Fair Value, ending balance [8] 26,641  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | Warrants (Expiration - April 2, 2035)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] 62  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | Warrants (Expiration - December 18, 2034)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] 26  
Fair Value, ending balance [8],[19],[20] 11  
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, beginning balance [3],[21],[22] 122  
Fair Value, ending balance [8],[19],[20] 50  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | Warrants (Expiration - February 25, 2036)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] 67  
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, beginning balance [3],[21],[22] 68  
Fair Value, ending balance [8],[19],[20] 28  
Investment, Identifier [Axis]: GUARDIAN FLEET SERVICES, INC. | Warrants (Expiration - July 30, 2035)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] 45  
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, beginning balance [3],[21],[22] 68  
Fair Value, ending balance [8],[19],[20] 28  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,826 [24] 3,866
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,286  
Fair Value, ending balance [8],[24] 3,520  
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 353 [13],[24] 707 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 601  
Fair Value, ending balance [8],[13],[24] $ 325  
Investment, Identifier [Axis]: GrammaTech, Inc. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,000  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 336  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (135)  
Fair Value, ending balance $ 201  
Investment, Identifier [Axis]: GrammaTech, Inc. | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 360  
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 121  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (48)  
Fair Value, ending balance 73  
Investment, Identifier [Axis]: GrammaTech, Inc. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 40  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 563  
Gross Additions 0  
Gross Reductions (563)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: GrammaTech, Inc. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 11  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 7  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (7)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Gravitiq LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,248  
Amount of Interest or Dividends Credited in Income 1,758  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 14,082  
Gross Additions 286  
Gross Reductions (2,752)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 632  
Fair Value, ending balance 12,248  
Investment, Identifier [Axis]: Gravitiq LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,248  
Amount of Interest or Dividends Credited in Income 2,046  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 14,082  
Gross Additions 280  
Gross Reductions (2,752)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 638  
Fair Value, ending balance 12,248  
Investment, Identifier [Axis]: Gravitiq LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 94  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 4,160  
Gross Reductions (4,150)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (10)  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Gravitiq LLC | Warrants    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 1,597  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 5,258  
Fair Value, ending balance 6,855  
Investment, Identifier [Axis]: HEAT TRAK, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,500 11,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,775  
Fair Value, ending balance [8] 11,247  
Investment, Identifier [Axis]: HEAT TRAK, LLC | First Lien - Term Loan E    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 2,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,500  
Investment, Identifier [Axis]: HEAT TRAK, LLC | Warrants (Expiration- March 28, 2035)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] 0  
Fair Value, ending balance [8],[19],[20] $ 1,805  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 146,066 [15],[19],[20] 146,065.51 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 124  
Fair Value, ending balance [8],[19],[20] 124  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,313 $ 8,259
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,408  
Fair Value, ending balance [8] 7,648  
Investment, Identifier [Axis]: HH-INSPIRE ACQUISITION, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 783 768
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 689  
Fair Value, ending balance [8] 721  
Investment, Identifier [Axis]: HYBRID PROMOTIONS, LLC | Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,999 [26] $ 15,999 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 15,871  
Fair Value, ending balance [8],[26] $ 15,967  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,263 [15],[19],[20] 833 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] 464  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 5,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 5,500  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,224 $ 5,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,900  
Fair Value, ending balance [8] 18,224  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,224 $ 5,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,900  
Fair Value, ending balance [8] $ 18,224  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,263 [15],[19],[20] 833 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 620  
Fair Value, ending balance [8],[19],[20] 1,485  
Investment, Identifier [Axis]: IGNITE VISIBILITY LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 500 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 490  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: INDINERO GROUP, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,514  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 9,410  
Investment, Identifier [Axis]: INDINERO GROUP, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 450  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 439  
Investment, Identifier [Axis]: INFOGAIN CORPORATION | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,673 $ 3,692
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,692  
Fair Value, ending balance [8] $ 3,673  
Investment, Identifier [Axis]: INFOLINKS MEDIA BUYCO, LLC | LP interest    
Schedule of Investments [Line Items]    
Ownership percent 1.67% [13],[15],[19],[20],[33] 1.67% [18],[21],[22],[28],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[28],[34] $ 960  
Fair Value, ending balance [8],[13],[19],[20],[33] 549  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   100,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,163  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 110,942.5  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 736  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500 $ 7,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,447  
Fair Value, ending balance [8] 7,418  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500 7,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,440  
Fair Value, ending balance [8] 7,417  
Investment, Identifier [Axis]: INSTITUTES OF HEALTH, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: INSURE HOMES CORPORATION | Tranche B Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 23,500 24,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 24,500  
Fair Value, ending balance [8] 23,500  
Investment, Identifier [Axis]: INW MANUFACTURING, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   1,980
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 1,819  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,816 [24] 3,816
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,816  
Fair Value, ending balance [8],[24] 5,777  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 900 [13],[24] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13],[24] $ 900  
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 [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 1,296  
Fair Value, ending balance [8] $ 1,040  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC | Series A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 166,667 [15] 166,667 [18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 706  
Fair Value, ending balance [8] $ 258  
Investment, Identifier [Axis]: ISI ENTERPRISES, LLC | Series A-2 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 275,238  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 330  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,218 $ 12,218
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,218  
Fair Value, ending balance [8] 10,385  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,218 12,218
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,218  
Fair Value, ending balance [8] 10,385  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,218 $ 12,218
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,218  
Fair Value, ending balance [8] $ 10,385  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,468,391.99 [15],[19],[20] 1,326,389.3 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 2,702  
Fair Value, ending balance [8],[19],[20] 0  
Investment, Identifier [Axis]: ISLAND PUMP AND TANK, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,479 $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8] $ 2,957  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | Class A Membership Interest    
Schedule of Investments [Line Items]    
Ownership percent 9.25% [14],[15],[19],[20],[33] 9.25% [16],[18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22],[34] $ 8,776  
Fair Value, ending balance [8],[14],[19],[20],[33] 10,974  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[14] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   $ 1,484
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 1,484  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   1,484
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 1,484  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term B Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   13,356
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 13,356  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   13,356
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 13,356  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 14,840  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 14,811  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 14,840  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 14,840  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 21,150  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 21,171  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 7,050  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 7,050  
Investment, Identifier [Axis]: ITA HOLDINGS GROUP, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,525 [14] 3,525 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 3,525  
Fair Value, ending balance [8],[14] 3,525  
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, beginning balance [3],[16],[21],[22] 11,369  
Fair Value, ending balance [8],[14],[19],[20],[33] 13,743  
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, beginning balance [3],[16],[21],[22] 9,755  
Fair Value, ending balance [8],[14],[19],[20],[33] $ 11,413  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | 9.25% 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 2,912  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 8,776  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 2,198  
Fair Value, ending balance 10,974  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Delayed Draw Term Loan    
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) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Delayed Draw Term Loan - 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 1,484  
Gross Additions (1,484)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Delayed Draw Term Loan - 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 1,484  
Gross Additions (1,484)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Delayed Draw Term Loan - C    
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) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,840  
Amount of Interest or Dividends Credited in Income 2,261  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 13,356  
Gross Additions 2,037  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (582)  
Fair Value, ending balance 14,811  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,840  
Amount of Interest or Dividends Credited in Income 2,217  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 13,356  
Gross Additions 2,049  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (565)  
Fair Value, ending balance 14,840  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 21,150  
Amount of Interest or Dividends Credited in Income 1,665  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 21,150  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 21  
Fair Value, ending balance 21,171  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,050  
Amount of Interest or Dividends Credited in Income 59  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 7,050  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 7,050  
Investment, Identifier [Axis]: ITA Holdings Group, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,525  
Amount of Interest or Dividends Credited in Income 432  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,525  
Gross Additions 18  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (18)  
Fair Value, ending balance 3,525  
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 4,006  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 9,755  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,658  
Fair Value, ending balance 11,413  
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 3,164  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 11,369  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 2,374  
Fair Value, ending balance 13,743  
Investment, Identifier [Axis]: IVUEIT, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[14] 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: IVUEIT, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,000 [14] $ 10,000 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 9,902  
Fair Value, ending balance [8],[14] $ 10,000  
Investment, Identifier [Axis]: IVUEIT, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000 [14],[15],[19],[20] 2,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 2,000  
Fair Value, ending balance [8],[14],[19],[20] 2,232  
Investment, Identifier [Axis]: IVUEIT, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[14] $ 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: JACKSON HEWITT TAX SERVICE INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,000 10,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 9,990  
Fair Value, ending balance [8] $ 10,000  
Investment, Identifier [Axis]: KINDRED PET SERVICE, LLC (FKA RED DOG OPERATIONS HOLDING COMPANY LLC) | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15],[19],[20] 1,244  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14],[19],[20] $ 674  
Investment, Identifier [Axis]: KINDRED PET SERVICE, LLC (fka RED DOG OPERATIONS HOLDING COMPANY LLC) | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 10,800  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 10,692  
Investment, Identifier [Axis]: KINDRED PET SERVICE, LLC (fka RED DOG OPERATIONS HOLDING COMPANY LLC) | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[14] 500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[14] 495  
Investment, Identifier [Axis]: KMS, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 2,328 [27],[28],[32]
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],[28],[32] 2,261  
Gross Additions (2,261)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: KMS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,590 [26],[31] $ 2,407 [27],[32]
Amount of Interest or Dividends Credited in Income 622  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27],[32] 2,407  
Gross Additions 2,538  
Gross Reductions (411)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 56  
Fair Value, ending balance [8],[26],[31] 4,590  
Investment, Identifier [Axis]: KMS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[26],[31] 2,743  
Amount of Interest or Dividends Credited in Income 33  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 2,666  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 77  
Fair Value, ending balance [8],[13],[26],[31] $ 2,743  
Investment, Identifier [Axis]: KMS, LLC | Series A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 19,395.96 [15],[31] 19,395.96 [18],[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 [3],[32] 6,305  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 4,005  
Fair Value, ending balance [8],[31] $ 10,310  
Investment, Identifier [Axis]: Kindred Pet Service, LLC (fka Red Dog Operations Holding Company LLC) | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,244  
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 244  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (570)  
Fair Value, ending balance 674  
Investment, Identifier [Axis]: Kindred Pet Service, LLC (fka Red Dog Operations Holding Company LLC) | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,800  
Amount of Interest or Dividends Credited in Income 1,082  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 7,425  
Gross Additions 3,284  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (17)  
Fair Value, ending balance 10,692  
Investment, Identifier [Axis]: Kindred Pet Service, LLC (fka Red Dog Operations Holding Company LLC) | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 500  
Amount of Interest or Dividends Credited in Income 21  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 504  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (9)  
Fair Value, ending balance 495  
Investment, Identifier [Axis]: LAB LOGISTICS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 7,876
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,798  
Investment, Identifier [Axis]: LAB LOGISTICS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   279
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 276  
Investment, Identifier [Axis]: LASH OPCO, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,440 [24] 17,618
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 16,737  
Fair Value, ending balance [8],[24] 17,149  
Investment, Identifier [Axis]: LASH OPCO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 866
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 823  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: LDG ACQUISITION COMPANY, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: LDG ACQUISITION COMPANY, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,350  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 8,266  
Investment, Identifier [Axis]: LDG ACQUISITION COMPANY, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,350  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 8,266  
Investment, Identifier [Axis]: LDG ACQUISITION COMPANY, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: LDG ACQUISITION COMPANY, LLC | Warrants (Expiration - December 13, 2032)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 782  
Investment, Identifier [Axis]: LEHR UPFITTERS, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 7,773.36  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 1,928  
Investment, Identifier [Axis]: LEHR UPFITTERS, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   7,250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] 1,043  
Investment, Identifier [Axis]: LEHR UPFITTERS, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: LEHR UPFITTERS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   26,557
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 26,348  
Investment, Identifier [Axis]: LEHR UPFITTERS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: LGM PHARMA LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,183 4,226
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,226  
Fair Value, ending balance [8] 4,183  
Investment, Identifier [Axis]: LGM PHARMA LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,850 4,938
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,938  
Fair Value, ending balance [8] 19,850  
Investment, Identifier [Axis]: LGM PHARMA LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,775 4,823
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,770  
Fair Value, ending balance [8] 4,775  
Investment, Identifier [Axis]: LGM PHARMA LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,775 4,823
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,876  
Fair Value, ending balance [8] 4,775  
Investment, Identifier [Axis]: LGM PHARMA LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: LGM PHARMA, LLC | Units of Class A Common Stock    
Schedule of Investments [Line Items]    
Shares (in shares) 161,826 [15],[19],[20],[33] 161,825.84 [18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] $ 6,067  
Fair Value, ending balance [8],[19],[20],[33] $ 5,026  
Investment, Identifier [Axis]: LIFT BRANDS, INC. | Shares of Class A Common Stock    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 1,051  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 263  
Investment, Identifier [Axis]: LIFT BRANDS, INC. | Tranche A Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,254 $ 2,426
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,422  
Fair Value, ending balance [8] 2,254  
Investment, Identifier [Axis]: LIFT BRANDS, INC. | Tranche B Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 793 727
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 693  
Fair Value, ending balance [8] 782  
Investment, Identifier [Axis]: LIFT BRANDS, INC. | Tranche C Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 549 $ 565
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 538  
Fair Value, ending balance [8] 542  
Investment, Identifier [Axis]: LIFT BRANDS, INC. | shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [18]   1,051
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 263  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE) | Common units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   203,124.99
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] 0  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC (DBA ENVOCORE) | Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   208,333.33
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] 0  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   $ 5,039
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 4,842  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[28]   729
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 701  
Investment, Identifier [Axis]: LIGHTING RETROFIT INTERNATIONAL, LLC | Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[36]   5,208
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[36] 0  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,866 $ 20,903
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 20,235  
Fair Value, ending balance [8] $ 18,300  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC | LLC interest    
Schedule of Investments [Line Items]    
Ownership percent 0.42% [15],[19],[20] 0.42% [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 263  
Fair Value, ending balance [8],[19],[20] 263  
Investment, Identifier [Axis]: LIGHTNING INTERMEDIATE II, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22],[34]   1,000,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] 2,097  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 17,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,000  
Investment, Identifier [Axis]: LKC TECHNOLOGIES, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: LLFLEX, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [27]   10,103
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 7,577  
Investment, Identifier [Axis]: LLFLEX, LLC | Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [26] 10,303  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[26] $ 8,964  
Investment, Identifier [Axis]: LOCAL WEB LEADS, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15],[19],[20] 750,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14],[19],[20] $ 554  
Investment, Identifier [Axis]: LOCAL WEB LEADS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 6,581  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 6,450  
Investment, Identifier [Axis]: LOCAL WEB LEADS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 6,581  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 6,450  
Investment, Identifier [Axis]: LOCAL WEB LEADS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[14] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: LOGIX HOLDING COMPANY, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [37]   $ 3,555
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[37] 2,829  
Investment, Identifier [Axis]: LOGIX HOLDING COMPANY, LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,356  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 1,885  
Investment, Identifier [Axis]: LOGIX HOLDING COMPANY, LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 314  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 314  
Investment, Identifier [Axis]: Lighting Retrofit International, LLC (DBA Envocore) | Common units    
Schedule of Investments [Line Items]    
Shares (in shares) 203,124.99  
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 0  
Amount of Interest or Dividends Credited in Income 318  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,842  
Gross Additions 0  
Gross Reductions (5,039)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 197  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Lighting Retrofit International, LLC (DBA Envocore) | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 19  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 701  
Gross Additions 521  
Gross Reductions (1,250)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 28  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Lighting Retrofit International, LLC (DBA Envocore) | Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 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 (2,280)  
Amount of Realized Gain/(Loss) (2,928)  
Amount of Unrealized Gain/(Loss) 5,208  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: Lighting Retrofit International, LLC (DBA Envocore) | Series A Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 208,333.33  
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]: Local Web Leads, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 750,000  
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 750  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (196)  
Fair Value, ending balance 554  
Investment, Identifier [Axis]: Local Web Leads, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,581  
Amount of Interest or Dividends Credited in Income 512  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 6,692  
Gross Reductions (169)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (73)  
Fair Value, ending balance 6,450  
Investment, Identifier [Axis]: Local Web Leads, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,581  
Amount of Interest or Dividends Credited in Income 613  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 6,692  
Gross Reductions (169)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (73)  
Fair Value, ending balance 6,450  
Investment, Identifier [Axis]: Local Web Leads, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 5  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions (9)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 9  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: MAIN LINE BRANDS LLC | 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 [8] 9,850  
Investment, Identifier [Axis]: MAIN LINE BRANDS LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC. | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,141,913.27 [15],[19],[20] 1,141,913.27 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 692  
Fair Value, ending balance [8],[19],[20] 430  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,825 [24] $ 2,853
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 2,751  
Fair Value, ending balance [8],[24] 2,635  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,461 10,643
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,259  
Fair Value, ending balance [8] 9,760  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,461 10,643
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,259  
Fair Value, ending balance [8] 9,770  
Investment, Identifier [Axis]: MAMMOTH BORROWCO, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,350 [13],[24] 3,550 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 3,422  
Fair Value, ending balance [8],[13],[24] 3,126  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   12,957
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,338  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [31] 6,479  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[31] 5,961  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [31] 6,479  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[31] 5,961  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | Second Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 2,927
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 2,195  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | Series A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[31] 3,761,173  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[31] $ 3,859  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | Series A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 12,059,033 [15],[19],[20],[31] 12,059,033 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 233  
Fair Value, ending balance [8],[19],[20],[31] $ 0  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | Series B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[31] 3,975,574  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[31] $ 0  
Investment, Identifier [Axis]: MERCURY ACQUISITION 2021, LLC | Series C Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[31] 98,265  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[31] $ 0  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,998  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 10,998  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 8,958
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,958  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   5,018
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,018  
Investment, Identifier [Axis]: MICROBE FORMULAS LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: MID-FLORIDA ENDODONTICS MANAGEMENT COMPANY, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 600 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 600  
Investment, Identifier [Axis]: MID-FLORIDA ENDODONTICS MANAGEMENT COMPANY, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,050 8,050
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,970  
Fair Value, ending balance [8] 8,050  
Investment, Identifier [Axis]: MID-FLORIDA ENDODONTICS MANAGEMENT COMPANY, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,050 8,050
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,970  
Fair Value, ending balance [8] 8,050  
Investment, Identifier [Axis]: MID-FLORIDA ENDODONTICS MANAGEMENT COMPANY, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: MISSION CRITICAL GROUP, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 2,429  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 2,429  
Investment, Identifier [Axis]: MISSION CRITICAL GROUP, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,922  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 10,922  
Investment, Identifier [Axis]: MISSION CRITICAL GROUP, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: MONROE BIOMEDICAL RESEARCH, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 50,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 219  
Investment, Identifier [Axis]: MONROE BIOMEDICAL RESEARCH, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: MONROE BIOMEDICAL RESEARCH, 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 [8] 11,270  
Investment, Identifier [Axis]: MONROE BIOMEDICAL RESEARCH, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 1,750  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 1,715  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 25,783 22,574
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 21,446  
Fair Value, ending balance [8] 22,999  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 0  
Fair Value, ending balance [8] $ 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 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 147  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,130,387.32 [15],[19],[20] 1,130,387.32 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 73  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC | Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 130,444 [15],[19],[20] 130,444 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 19  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: MUENSTER MILLING COMPANY, LLC | Class E Unit    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 1  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: MUSIKER DISCOVERY PROGRAMS, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: MUSIKER DISCOVERY PROGRAMS, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,500 11,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,397  
Fair Value, ending balance [8] 11,500  
Investment, Identifier [Axis]: MUSIKER DISCOVERY PROGRAMS, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,500 11,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,385  
Fair Value, ending balance [8] 11,500  
Investment, Identifier [Axis]: MUSIKER DISCOVERY PROGRAMS, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,750 [13] $ 3,000 [28],[35]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28],[35] 2,952  
Fair Value, ending balance [8],[13] 3,750  
Investment, Identifier [Axis]: Mercury Acquisition 2021, LLC | First lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,479  
Amount of Interest or Dividends Credited in Income 386  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 6,459  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (498)  
Fair Value, ending balance 5,961  
Investment, Identifier [Axis]: Mercury Acquisition 2021, LLC | First lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,479  
Amount of Interest or Dividends Credited in Income 17  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 6,459  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (498)  
Fair Value, ending balance $ 5,961  
Investment, Identifier [Axis]: Mercury Acquisition 2021, LLC | Series A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,761,173  
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 3,859  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 3,859  
Investment, Identifier [Axis]: Mercury Acquisition 2021, LLC | Series A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 12,059,033  
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]: Mercury Acquisition 2021, LLC | Series B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,975,574  
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]: Mercury Acquisition 2021, LLC | Series C Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 98,265  
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]: NATIONAL CREDIT CARE, LLC | Class A-3 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 191,049.33 [15],[19],[20],[31],[33] 191,049.33 [18],[21],[22],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[32] $ 2,007  
Fair Value, ending balance [8],[19],[20],[31],[33] 2,000  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250 [31] $ 11,875 [32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32] 11,282  
Fair Value, ending balance [8],[31] 10,012  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250 [31] 11,875 [32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32] 9,500  
Fair Value, ending balance [8],[31] 10,012  
Investment, Identifier [Axis]: NATIONAL CREDIT CARE, LLC | Warrants (Expiration - February 25, 2035)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[32] 92  
Fair Value, ending balance [8],[19],[20],[31] 591  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,357 7,390
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,390  
Fair Value, ending balance [8] 7,357  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,357 7,390
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 7,390  
Fair Value, ending balance [8] 7,357  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,101 5,124
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,124  
Fair Value, ending balance [8] 5,101  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC | First Lien - Term Loan D    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,855 12,914
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 12,914  
Fair Value, ending balance [8] 12,855  
Investment, Identifier [Axis]: NEUROPSYCHIATRIC HOSPITALS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,000 [13] 3,000 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 3,000  
Fair Value, ending balance [8],[13] 1,000  
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] 13,000  
Fair Value, ending balance [8] 13,000  
Investment, Identifier [Axis]: NEW SKINNY MIXES, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 1,000 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 1,000  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: NINJATRADER, INC. | Earnout    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] 4,038  
Investment, Identifier [Axis]: NINJATRADER, INC. | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22],[34]   2,000,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] 32,079  
Investment, Identifier [Axis]: NINJATRADER, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 33,830
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 33,830  
Investment, Identifier [Axis]: NINJATRADER, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] $ 0  
Investment, Identifier [Axis]: National Credit Care, LLC | Class A-3 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 191,049.33  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 25  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,007  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (7)  
Fair Value, ending balance 2,000  
Investment, Identifier [Axis]: National Credit Care, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250  
Amount of Interest or Dividends Credited in Income 595  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 11,282  
Gross Additions 279  
Gross Reductions (872)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (677)  
Fair Value, ending balance 10,012  
Investment, Identifier [Axis]: National Credit Care, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,250  
Amount of Interest or Dividends Credited in Income 598  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 9,500  
Gross Additions 297  
Gross Reductions (889)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 1,104  
Fair Value, ending balance 10,012  
Investment, Identifier [Axis]: National Credit Care, LLC | Warrants    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 92  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 499  
Fair Value, ending balance 591  
Investment, Identifier [Axis]: ONE GROUP, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: ONE GROUP, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 9,656
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 9,656  
Investment, Identifier [Axis]: OPCO BORROWER, LLC | Common Shares    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[33] 1,111  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[33] $ 1,006  
Investment, Identifier [Axis]: OPCO BORROWER, LLC | shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[34]   1,111.11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[34] $ 1,006  
Investment, Identifier [Axis]: OUTERBOX, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 11,008.6744 [15],[19],[20] 11,008.67 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,464  
Fair Value, ending balance [8],[19],[20] $ 1,852  
Investment, Identifier [Axis]: OUTERBOX, LLC | Class G Guarantee Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 793.67  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: PATRIOT INTERMEDIATE HOLDCO, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 10,400  
Investment, Identifier [Axis]: PATRIOT INTERMEDIATE HOLDCO, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 10,400  
Investment, Identifier [Axis]: PATRIOT INTERMEDIATE HOLDCO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 2,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 1,904  
Investment, Identifier [Axis]: PAYWARD, INC. | Rollover Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 687,380.75  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 11,005  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[19],[29] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[19],[29] 0  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,445 [19],[29] $ 5,972 [30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[30] 5,554  
Fair Value, ending balance [8],[19],[29] 8,445  
Investment, Identifier [Axis]: PIPELINE TECHNIQUE LTD. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[19],[29] $ 2,389 [21],[28],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[28],[30] 2,222  
Fair Value, ending balance [8],[13],[19],[29] $ 0  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC. | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 10,667 [14],[15],[19],[20] 10,667 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 610  
Fair Value, ending balance [8],[14],[19],[20] 769  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   $ 5,400
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 5,146  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,850 [14],[24] 5,000 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 4,765  
Fair Value, ending balance [8],[14],[24] 11,613  
Investment, Identifier [Axis]: POOL SERVICE PARTNERS, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,500 [13],[14],[24] $ 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14],[24] $ 1,470  
Investment, Identifier [Axis]: PRECISION SPRAY & COATINGS, LLC | Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [14],[15],[19],[20] 2,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14],[19],[20] $ 2,486  
Investment, Identifier [Axis]: PRECISION SPRAY & COATINGS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 4,000  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 4,000  
Investment, Identifier [Axis]: PRECISION SPRAY & COATINGS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[14] 500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[14] 490  
Investment, Identifier [Axis]: PYRAMIDS ACQUISITION, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,338  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 18,172  
Investment, Identifier [Axis]: PYRAMIDS ACQUISITION, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 90,909.09  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 500  
Investment, Identifier [Axis]: PYRAMIDS ACQUISITION, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: Pool Service Partners, Inc. | Common Units    
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 610  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 159  
Fair Value, ending balance $ 769  
Investment, Identifier [Axis]: Pool Service Partners, Inc. | Common units    
Schedule of Investments [Line Items]    
Shares (in shares) 10,667  
Investment, Identifier [Axis]: Pool Service Partners, Inc. | Delayed Draw Term Loan    
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 5,146  
Gross Additions (5,146)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Pool Service Partners, Inc. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,850  
Amount of Interest or Dividends Credited in Income 1,167  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 4,765  
Gross Additions 6,571  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 277  
Fair Value, ending balance 11,613  
Investment, Identifier [Axis]: Pool Service Partners, Inc. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,500  
Amount of Interest or Dividends Credited in Income 66  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 2,006  
Gross Reductions (500)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (36)  
Fair Value, ending balance $ 1,470  
Investment, Identifier [Axis]: Precision Spray & Coatings, LLC | Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 2,000  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 486  
Fair Value, ending balance 2,486  
Investment, Identifier [Axis]: Precision Spray & Coatings, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 500  
Amount of Interest or Dividends Credited in Income 313  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 3,964  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 36  
Fair Value, ending balance 4,000  
Investment, Identifier [Axis]: Precision Spray & Coatings, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 490  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 490  
Investment, Identifier [Axis]: RED DOG OPERATIONS HOLDING COMPANY LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   1,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] 1,000  
Investment, Identifier [Axis]: RED DOG OPERATIONS HOLDING COMPANY LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16]   $ 7,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 7,425  
Investment, Identifier [Axis]: RED DOG OPERATIONS HOLDING COMPANY LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[28]   0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Investment, Identifier [Axis]: RESEARCH NOW GROUP, LLC | Warrants (Expiration - July 15, 2029)    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 0  
Fair Value, ending balance [8] 0  
Investment, Identifier [Axis]: REVO BRANDS, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,385 10,776
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,593  
Fair Value, ending balance [8] 10,022  
Investment, Identifier [Axis]: REVO BRANDS, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,385 10,776
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,593  
Fair Value, ending balance [8] 10,022  
Investment, Identifier [Axis]: REVO BRANDS, INC. | First Lien - Term Loan C    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,385 10,776
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,581  
Fair Value, ending balance [8] 10,022  
Investment, Identifier [Axis]: REVO BRANDS, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 2,700 [28],[35]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28],[35] 2,697  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: RODIZIO OPCO LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 495.87  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 750  
Investment, Identifier [Axis]: RODIZIO OPCO LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,168  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 9,103  
Investment, Identifier [Axis]: RODIZIO OPCO LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 16,084 [14],[15] 16,084 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 941  
Fair Value, ending balance [8],[14] $ 806  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC | Class A-1 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,100 [14],[15] 1,100 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 196  
Fair Value, ending balance [8],[14] $ 187  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC | Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,364 [14],[15] 3,364 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 802  
Fair Value, ending balance [8],[14] 774  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,473 [14] $ 14,598
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,598  
Fair Value, ending balance [8],[14] 14,473  
Investment, Identifier [Axis]: ROSELAND MANAGEMENT, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13],[14] $ 0 [16],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[28] 0  
Fair Value, ending balance [8],[13],[14] $ 0  
Investment, Identifier [Axis]: Rodizio Opco LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 495.87  
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 750  
Gross Reductions (750)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Rodizio Opco LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 112  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 9,100  
Gross Reductions (9,100)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: Rodizio Opco LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 2  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions (15)  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 15  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: Roseland Management, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 16,084  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 941  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (135)  
Fair Value, ending balance $ 806  
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 196  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (9)  
Fair Value, ending balance $ 187  
Investment, Identifier [Axis]: Roseland Management, LLC | Class A-2 Units    
Schedule of Investments [Line Items]    
Shares (in shares) 3,364  
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 802  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (28)  
Fair Value, ending balance 774  
Investment, Identifier [Axis]: Roseland Management, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,473  
Amount of Interest or Dividends Credited in Income 1,651  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 14,598  
Gross Additions (1)  
Gross Reductions (125)  
Amount of Realized Gain/(Loss)  
Amount of Unrealized Gain/(Loss) 1  
Fair Value, ending balance 14,473  
Investment, Identifier [Axis]: Roseland Management, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 11  
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]: SCRIP INC. | Shares of Common Stock    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 100  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 0  
Investment, Identifier [Axis]: SCRIP INC. | shares of common stock    
Schedule of Investments [Line Items]    
Shares (in shares) [18]   100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 439  
Investment, Identifier [Axis]: SCRIP, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 17,792 $ 17,882
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 16,451  
Fair Value, ending balance [8] $ 15,230  
Investment, Identifier [Axis]: SERVERLIFT, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [15],[19],[20],[33] 500,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 500  
Fair Value, ending balance [8],[19],[20],[33] 2,830  
Investment, Identifier [Axis]: SERVERLIFT, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,250 $ 16,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,856  
Fair Value, ending balance [8] 15,250  
Investment, Identifier [Axis]: SERVERLIFT, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,250 16,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,856  
Fair Value, ending balance [8] 15,250  
Investment, Identifier [Axis]: SERVERLIFT, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 1,000 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 991  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC. | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 40,000 [15],[19],[20],[29] 40,000 [18],[21],[22],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[30] $ 1,349  
Fair Value, ending balance [8],[19],[20],[29] $ 1,332  
Investment, Identifier [Axis]: SHEARWATER RESEARCH, INC. | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,200,000 [15],[19],[20],[29] 1,200,000 [18],[21],[22],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[30] $ 675  
Fair Value, ending balance [8],[19],[20],[29] 757  
Investment, Identifier [Axis]: SOCIALSEO, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,125 $ 10,125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,027  
Fair Value, ending balance [8] 9,618  
Investment, Identifier [Axis]: SOCIALSEO, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,125 10,125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,026  
Fair Value, ending balance [8] 9,618  
Investment, Identifier [Axis]: SOCIALSEO, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 1,200 [13] $ 800 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 771  
Fair Value, ending balance [8],[13] 1,140  
Investment, Identifier [Axis]: SONOBI, INC. | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [16],[18],[21],[22]   500,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 402,350 [15],[31] 402,350 [18],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32] $ 0  
Fair Value, ending balance [8],[31] 0  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | First Lien - Superpriority Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,336 [31] $ 2,284 [32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32] 2,284  
Fair Value, ending balance [8],[31] 4,336  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | First Lien - Tranche A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [32],[36]   11,120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32],[36] 9,318  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | First Lien - Tranche A Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [17],[31] 11,120  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[17],[31] 5,238  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | First Lien - Tranche B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [32],[36]   $ 11,120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[32],[36] 3,114  
Investment, Identifier [Axis]: SPECTRUM OF HOPE, LLC | First Lien - Tranche B Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [17],[31] 11,120  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[17],[31] 1,679  
Investment, Identifier [Axis]: SPHERIX GLOBAL INSIGHTS US, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 9,429  
Investment, Identifier [Axis]: SPHERIX GLOBAL INSIGHTS US, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,500  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 9,429  
Investment, Identifier [Axis]: SPHERIX GLOBAL INSIGHTS US, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 750 [15],[19],[20],[33] 750 [18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] $ 1,366  
Fair Value, ending balance [8],[19],[20],[33] 1,529  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,237 $ 4,312
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 4,312  
Fair Value, ending balance [8] 4,237  
Investment, Identifier [Axis]: SPOTLIGHT AR, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: STATINMED, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 4,718.62 [14],[15] 4,718.62 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: STATINMED, LLC | Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 39,097.96 [14],[15] 39,097.96 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] 0  
Investment, Identifier [Axis]: STATINMED, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [16],[36]   $ 7,560
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[36] $ 0  
Investment, Identifier [Axis]: STATinMED, LLC | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 4,718.62  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: STATinMED, LLC | Class B Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 39,097.96  
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]: STATinMED, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) (7,560)  
Amount of Unrealized Gain/(Loss) 7,560  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: STELLANT MIDCO, LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   1,776
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 1,767  
Investment, Identifier [Axis]: STELLANT MIDCO, LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   788
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 784  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 9,644 [14],[17] $ 9,644 [16],[36]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[36] 3,761  
Fair Value, ending balance [8],[14],[17] $ 2,315  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC | Preferred Units 1    
Schedule of Investments [Line Items]    
Shares (in shares) 10,502,487.46 [14],[15] 10,502,487.46 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] $ 0  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC | Preferred Units 2    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000,000 [14],[15],[19],[20] 2,000,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 0  
Fair Value, ending balance [8],[14],[19],[20] $ 0  
Investment, Identifier [Axis]: STUDENT RESOURCE CENTER LLC | Senior Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 355,555.56 [14],[15] 355,555.56 [16],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] $ 0  
Fair Value, ending balance [8],[14] 1,778  
Investment, Identifier [Axis]: SUPERIOR HEALTH PARENT LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,700 [13],[24] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13],[24] 5,632  
Investment, Identifier [Axis]: SUPERIOR HEALTH PARENT LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 17,500 17,500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 17,378  
Fair Value, ending balance [8] 17,290  
Investment, Identifier [Axis]: SUPERIOR HEALTH PARENT LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 1,000 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 978  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: SUREKAP, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 430,145 [15],[19],[20] 430,144.53 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,157  
Fair Value, ending balance [8],[19],[20] 0  
Investment, Identifier [Axis]: SUREKAP, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: SUREKAP, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,089 19,089
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 19,089  
Fair Value, ending balance [8] 17,562  
Investment, Identifier [Axis]: SUREKAP, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,089 19,089
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 19,089  
Fair Value, ending balance [8] 17,562  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,000 8,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,000  
Fair Value, ending balance [8] 7,760  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 8,000 8,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 8,000  
Fair Value, ending balance [8] 7,760  
Investment, Identifier [Axis]: SWENSONS DRIVE-IN RESTAURANTS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: Sonobi, Inc. | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000  
Investment, Identifier [Axis]: Sonobi, Inc. | Class A Units    
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) (500)  
Amount of Unrealized Gain/(Loss) 500  
Fair Value, ending balance $ 0  
Investment, Identifier [Axis]: Spectrum of Hope, LLC | Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 402,350  
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]: Spectrum of Hope, LLC | First Lien - Superpriority Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,336  
Amount of Interest or Dividends Credited in Income 256  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,284  
Gross Additions 2,053  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 4,337  
Investment, Identifier [Axis]: Spectrum of Hope, LLC | First Lien - Tranche A Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,120  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 9,318  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (4,081)  
Fair Value, ending balance 5,237  
Investment, Identifier [Axis]: Spectrum of Hope, LLC | First Lien - Tranche B Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 11,120  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,114  
Gross Additions 0  
Gross Reductions (1)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,434)  
Fair Value, ending balance 1,679  
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 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 3,761  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (1,446)  
Fair Value, ending balance $ 2,315  
Investment, Identifier [Axis]: Student Resource Center LLC | Preferred units 1    
Schedule of Investments [Line Items]    
Shares (in shares) 10,502,487.46  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
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]: Student Resource Center LLC | Senior Preferred units    
Schedule of Investments [Line Items]    
Shares (in shares) 355,555.56  
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) 1,778  
Fair Value, ending balance $ 1,778  
Investment, Identifier [Axis]: TALKNY MANAGEMENT HOLDINGS, LLC | Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,625,472 [14],[15],[19],[20] 1,500,000 [16],[18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16],[21],[22] $ 1,082  
Fair Value, ending balance [8],[14],[19],[20] 849  
Investment, Identifier [Axis]: TALKNY MANAGEMENT HOLDINGS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500 [14] $ 7,500 [16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[16] 7,312  
Fair Value, ending balance [8],[14] $ 7,387  
Investment, Identifier [Axis]: THE GOBEL GROUP, LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [15],[19],[20] 500,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 0  
Fair Value, ending balance [8],[19],[20] $ 0  
Investment, Identifier [Axis]: THE GOBEL GROUP, LLC | Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [15],[19],[20] 500,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 500  
Fair Value, ending balance [8],[19],[20] 500  
Investment, Identifier [Axis]: THE GOBEL GROUP, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,000 $ 4,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,960  
Fair Value, ending balance [8] 3,961  
Investment, Identifier [Axis]: THE GOBEL GROUP, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: THE PRODUCTO GROUP, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,988,469 [15],[19],[20],[33] 1,988,468.7 [18],[21],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22],[34] $ 8,841  
Fair Value, ending balance [8],[19],[20],[33] $ 10,953  
Investment, Identifier [Axis]: TMT BHC BUYER, INC. | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 500,000 [15],[19],[20] 500,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 682  
Fair Value, ending balance [8],[19],[20] 879  
Investment, Identifier [Axis]: TMT BHC BUYER, INC. | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [28]   $ 0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Investment, Identifier [Axis]: TMT BHC BUYER, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 16,500 10,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 10,000  
Fair Value, ending balance [8] 16,500  
Investment, Identifier [Axis]: TMT BHC BUYER, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 0  
Investment, Identifier [Axis]: TRAFERA, LLC | Class A Units    
Schedule of Investments [Line Items]    
Shares (in shares) 896 [15],[19],[20] 896.43 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 539  
Fair Value, ending balance [8],[19],[20] 0  
Investment, Identifier [Axis]: TRAFERA, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,475 [26] $ 5,575 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 5,525  
Fair Value, ending balance [8],[26] 4,982  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,000 6,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 5,943  
Fair Value, ending balance [8] 6,000  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,946 15,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,099  
Fair Value, ending balance [8] 14,946  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,946 $ 15,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 15,099  
Fair Value, ending balance [8] $ 14,946  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,018,821 [15],[19],[20],[33] 1,000,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,276  
Fair Value, ending balance [8],[19],[20],[33] 1,674  
Investment, Identifier [Axis]: TRU FRAGRANCE & BEAUTY LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,000 [13] $ 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] $ 2,000  
Investment, Identifier [Axis]: TalkNY Management Holdings, LLC | Class A-1 Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 1,625,472  
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 1,082  
Gross Additions 90  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (323)  
Fair Value, ending balance 849  
Investment, Identifier [Axis]: TalkNY Management Holdings, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 7,500  
Amount of Interest or Dividends Credited in Income 879  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 7,312  
Gross Additions 19  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 56  
Fair Value, ending balance 7,387  
Investment, Identifier [Axis]: U.S. TELEPACIFIC CORP. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 2,738 2,547
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 1,019  
Fair Value, ending balance [8] 1,106  
Investment, Identifier [Axis]: U.S. TELEPACIFIC CORP. | Third Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 230 230
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 58  
Fair Value, ending balance [8] 58  
Investment, Identifier [Axis]: UNWIRED BROADBAND, LLC | Delayed Draw Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 1,186  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 1,165  
Investment, Identifier [Axis]: UNWIRED BROADBAND, LLC | Delayed Draw Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 4,866  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 4,778  
Investment, Identifier [Axis]: UNWIRED BROADBAND, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 18,880  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 18,540  
Investment, Identifier [Axis]: UPS INTERMEDIATE, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,551 [24],[26] $ 9,925 [27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[27] 9,528  
Fair Value, ending balance [8],[24],[26] 12,280  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-3 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   1,000,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 1,592  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-3 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 [8],[19],[20] $ 1,311  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-4 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   211,862.61
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 319  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-4 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 211,863  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 268  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-5 LP Units    
Schedule of Investments [Line Items]    
Shares (in shares) [18],[21],[22]   211,465.87
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 311  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | Class D-5 Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15],[19],[20] 211,466  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[19],[20] $ 263  
Investment, Identifier [Axis]: US COURTSCRIPT HOLDINGS, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 13,400 $ 14,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,800  
Fair Value, ending balance [8] 13,226  
Investment, Identifier [Axis]: VEREGY CONSOLIDATED, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 1,532
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] $ 1,532  
Investment, Identifier [Axis]: VP MOVE PURCHASER, INC. | Class A Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 900,000 [15],[19],[20] 900,000 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 900  
Fair Value, ending balance [8],[19],[20] 900  
Investment, Identifier [Axis]: VP MOVE PURCHASER, INC. | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,250 $ 15,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,890  
Fair Value, ending balance [8] 14,107  
Investment, Identifier [Axis]: VP MOVE PURCHASER, INC. | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,250 15,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,890  
Fair Value, ending balance [8] 14,107  
Investment, Identifier [Axis]: VP MOVE PURCHASER, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] $ 300 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 269  
Fair Value, ending balance [8],[13] $ 0  
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 [18],[21],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[21],[22] $ 2,192  
Fair Value, ending balance [8],[19],[20] $ 3,061  
Investment, Identifier [Axis]: VTX HOLDINGS, INC. | Series E Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 9,812  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 17  
Investment, Identifier [Axis]: WASH & WAX HOLDINGS LLC | First Lien 1    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 6,996  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 6,996  
Investment, Identifier [Axis]: WASH & WAX HOLDINGS LLC | First Lien 2    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 4,900  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 4,900  
Investment, Identifier [Axis]: WASH & WAX HOLDINGS LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 293  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] $ 293  
Investment, Identifier [Axis]: WASH & WAX SYSTEMS LLC | Class A Common Units    
Schedule of Investments [Line Items]    
Shares (in shares) [15] 2,926  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] $ 2,728  
Investment, Identifier [Axis]: WELL LABS PLUS, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[24] 16,350  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[24] 16,236  
Investment, Identifier [Axis]: WELL LABS PLUS, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 15,250  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8] 15,143  
Investment, Identifier [Axis]: WELL LABS PLUS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: WELL-FOAM, INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,581 $ 11,761
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 11,761  
Fair Value, ending balance [8] 10,581  
Investment, Identifier [Axis]: WELL-FOAM, INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0 [13] 0 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 0  
Fair Value, ending balance [8],[13] 0  
Investment, Identifier [Axis]: WHITE PLAINS LINEN LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 12,200  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] 11,956  
Investment, Identifier [Axis]: WHITE PLAINS LINEN LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [14] 12,200  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14] $ 11,956  
Investment, Identifier [Axis]: WHITE PLAINS LINEN LLC | LP Interest    
Schedule of Investments [Line Items]    
Ownership percent [14],[15],[19],[20] 16.75%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[14],[19],[20] $ 335  
Investment, Identifier [Axis]: WHITE PLAINS LINEN LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [13],[14] 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, ending balance [8],[13],[14] 0  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,748 3,748
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 3,659  
Fair Value, ending balance [8] 3,741  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,479 14,479
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,132  
Fair Value, ending balance [8] 14,450  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 14,479 14,479
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 14,132  
Fair Value, ending balance [8] 14,450  
Investment, Identifier [Axis]: WINTER SERVICES OPERATIONS, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 5,867 [13],[24] 5,333 [28],[35]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28],[35] 5,205  
Fair Value, ending balance [8],[13],[24] $ 5,855  
Investment, Identifier [Axis]: White Plains Linen LLC | 16.75% LP Interest    
Schedule of Investments [Line Items]    
Ownership percent 16.75%  
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 335  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 0  
Fair Value, ending balance 335  
Investment, Identifier [Axis]: White Plains Linen LLC | First Lien - Term Loan A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,200  
Amount of Interest or Dividends Credited in Income 860  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 12,092  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (136)  
Fair Value, ending balance 11,956  
Investment, Identifier [Axis]: White Plains Linen LLC | First Lien - Term Loan B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 12,200  
Amount of Interest or Dividends Credited in Income 1,024  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 12,091  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (135)  
Fair Value, ending balance 11,956  
Investment, Identifier [Axis]: White Plains Linen LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 51  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 974  
Gross Reductions (1,000)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 26  
Fair Value, ending balance 0  
Investment, Identifier [Axis]: ZENFOLIO INC. | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 19,588 19,695
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 19,695  
Fair Value, ending balance [8] 19,588  
Investment, Identifier [Axis]: ZENFOLIO INC. | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 3,500 [13],[24] 1,500 [28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[28] 1,500  
Fair Value, ending balance [8],[13],[24] 3,500  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC | DIP Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [35]   878
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[35] 878  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC | Delayed Draw Term Loan - A    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [36],[37]   14,072
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[36],[37] 11,539  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC | Delayed Draw Term Loan - B    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments [36],[37]   3,527
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3],[36],[37] 2,892  
Investment, Identifier [Axis]: ZIPS CAR WASH, LLC | Roll Up Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments   $ 1,536
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance [3] 1,536  
Investment, Identifier [Axis]: iVueit, LLC | Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 51  
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]: iVueit, LLC | First Lien    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 10,000  
Amount of Interest or Dividends Credited in Income 1,036  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 9,902  
Gross Additions 17  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 81  
Fair Value, ending balance $ 10,000  
Investment, Identifier [Axis]: iVueit, LLC | Preferred Units    
Schedule of Investments [Line Items]    
Shares (in shares) 2,000  
Principal Amount - Debt Investments $ 0  
Amount of Interest or Dividends Credited in Income 0  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 2,000  
Gross Additions 0  
Gross Reductions 0  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) 232  
Fair Value, ending balance 2,232  
Investment, Identifier [Axis]: iVueit, LLC | Revolving Loan    
Schedule of Investments [Line Items]    
Principal Amount - Debt Investments 0  
Amount of Interest or Dividends Credited in Income 20  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]    
Fair Value, beginning balance 0  
Gross Additions 252  
Gross Reductions (250)  
Amount of Realized Gain/(Loss) 0  
Amount of Unrealized Gain/(Loss) (2)  
Fair Value, ending balance $ 0  
[1] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[2] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At March 31, 2025, the Company held $1,436.3 million of non-control/non-affiliate investments, which represented approximately 80.5% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 162.6%.
[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 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.
[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] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
(2)All of the Company’s investments and the investments of Capital Southwest SPV LLC ("SPV"), SBIC I (as defined below) and SBIC II (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 ("SBIC I") and Capital Southwest SBIC II, LP ("SBIC II"), the Company's wholly-owned subsidiaries that operate as small business investment companies, respectively.
[7] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At March 31, 2026, the Company held $1,682.4 million of non-control/non-affiliate investments, which represented approximately 80.2% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 166.5%.
[8] The Company's investment portfolio is comprised entirely of debt and equity securities, along with other financial instruments, 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.
[9] 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.
[10] Unless otherwise noted, all portfolio company headquarters are based in the United States.
[11] The investment is structured as a first lien first out term loan.
[12] The investment is structured as a first lien first out term loan.
[13] The investment has an unfunded commitment as of March 31, 2026. Refer to Note 12 - Commitments and Contingencies for further discussion.
[14] 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, 2026, the Company held $340.8 million of affiliate investments, which represented approximately 16.3% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 33.7%.
[15] All of the Company’s investments and the investments of Capital Southwest SPV LLC ("SPV"), SBIC I (as defined below) and SBIC II (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 ("SBIC I") and Capital Southwest SBIC II, LP ("SBIC II"), the Company's wholly-owned subsidiaries that operate as small business investment companies, respectively.
[16] 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, 2025, the Company held $292.9 million of affiliate investments, which represented approximately 16.4% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 33.1%.
[17] Investment is on non-accrual status as of March 31, 2026, meaning the Company has ceased to recognize interest income on the investment.
[18] 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.
[19] 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, 2026, approximately 8.1% of the Company's total assets (at fair value) were non-qualifying assets.
[20] Investment is held through a wholly-owned taxable subsidiary that has elected to be treated as a corporation for U.S. federal income tax purposes. Refer to Note 1 - Organization and Basis of Presentation for further discussion.
[21] 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, 2025, approximately 10.0% of the Company's total assets (at fair value) were non-qualifying assets.
[22] Investment is held through a wholly-owned taxable subsidiary that has elected to be treated as a corporation for U.S. federal income tax purposes. Refer to Note 1 - Organization and Basis of Presentation for further discussion.
[23] The investment is structured as a first lien last out term loan.
[24] The rate presented represents a weighted average rate for borrowings under the facility as of March 31, 2026.
[25] The investment is structured as a first lien last out term loan.
[26] 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.
[27] 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.
[28] The investment has an unfunded commitment as of March 31, 2025. Refer to Note 12 - Commitments and Contingencies for further discussion.
[29] Portfolio company headquarters are located outside of the United States.
[30] Portfolio company headquarters are located outside of the United States.
[31] Control investments are generally defined by the 1940 Act as investments in which the Company owns more than 25% of the voting securities or has greater than 50% representation on its board. At March 31, 2026, the Company held $74.3 million of control investments, which represented approximately 3.5% of the Company's investment assets. The fair value of these
investments as a percent of net assets is 7.3%. In accordance with Rules 3-09 and 4-08(g) of Regulation S-X, the Company must determine if its unconsolidated subsidiaries are considered "significant subsidiaries." As of March 31, 2026, there were no unconsolidated subsidiaries that are considered "significant subsidiaries."
[32] Control investments are generally defined by the 1940 Act as investments in which the Company owns more than 25% of the voting securities or has greater than 50% representation on its board. At March 31, 2025, the Company held $56.1 million of control investments, which represented approximately 3.1% of the Company's investment assets. The fair value of these investments as a percent of net assets is 6.3%. In accordance with Rules 3-09 and 4-08(g) of Regulation S-X, the Company must determine if its unconsolidated subsidiaries are considered "significant subsidiaries." As of March 31, 2025, there were no unconsolidated subsidiaries that are considered "significant subsidiaries."
[33] Income producing through dividends or distributions.
[34] Income producing through dividends or distributions.
[35] The rate presented represents a weighted average rate for borrowings under the facility as of March 31, 2025.
[36] Investment is on non-accrual status as of March 31, 2025, meaning the Company has ceased to recognize interest income on the investment.
[37] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable.