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Agreements and Related Party Transactions - Schedule of Investments in and Affiliated Funds (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [1],[2]     $ 3,161,223  
Net Realized Gain (Loss)     1,055 $ 1,148
Net Change in Unrealized Appreciation (Depreciation)     (8,343) 1,352
Fair value, end of period [3],[4] $ 3,900,686   3,900,686  
Non-controlled/affiliated        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period 91,868 $ 69,913 80,654 54,714
Gross Additions 6,031 6,514 13,806 20,903
Gross Reductions (1,865) (650) (3,949) (964)
Net Realized Gain (Loss) 466 514 1,180 549
Net Change in Unrealized Appreciation (Depreciation) 168 1,790 4,977 2,879
Fair value, end of period 96,668 78,081 96,668 78,081
Dividend, Interest, PIK and Other Income 0 0 0 0
Investment, Identifier [Axis]: 3BC Matrix Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [5],[6] (27)   (27)  
Investment, Identifier [Axis]: 3BC Matrix Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,695   4,695  
Investment, Identifier [Axis]: 50Floor, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     28  
Fair value, end of period 84   84  
Investment, Identifier [Axis]: 50Floor, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     898  
Fair value, end of period 1,004   1,004  
Investment, Identifier [Axis]: 626 Holdings Equity LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 218   218  
Investment, Identifier [Axis]: 626 Holdings Equity LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     219  
Investment, Identifier [Axis]: 626 Holdings Equity LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Investment, Identifier [Axis]: 626 Holdings Equity LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     71  
Fair value, end of period 74   74  
Investment, Identifier [Axis]: 626 Holdings Equity LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     853  
Fair value, end of period 848   848  
Investment, Identifier [Axis]: A. P. Nonweiler Co. Inc , First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (23)   (23)  
Investment, Identifier [Axis]: A. P. Nonweiler Co. Inc , First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 12,883   12,883  
Investment, Identifier [Axis]: A.P.A. Industries, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[8]     (22)  
Fair value, end of period [6],[9] (21)   (21)  
Investment, Identifier [Axis]: A.P.A. Industries, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,394  
Fair value, end of period 8,219   8,219  
Investment, Identifier [Axis]: ACES Intermediate, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (67)  
Fair value, end of period [6] (36)   (36)  
Investment, Identifier [Axis]: ACES Intermediate, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     30,049  
Fair value, end of period 37,321   37,321  
Investment, Identifier [Axis]: ADC Purchaser Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (73)   (73)  
Investment, Identifier [Axis]: ADC Purchaser Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 30,500   30,500  
Investment, Identifier [Axis]: ADVI Health, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (15)  
Fair value, end of period [6] (11)   (11)  
Investment, Identifier [Axis]: ADVI Health, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,019  
Fair value, end of period 5,998   5,998  
Investment, Identifier [Axis]: AEP Passion Intermediate Holdings, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     69  
Fair value, end of period 70   70  
Investment, Identifier [Axis]: AEP Passion Intermediate Holdings, Inc, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     33  
Fair value, end of period 39   39  
Investment, Identifier [Axis]: AEP Passion Intermediate Holdings, Inc, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     0  
Fair value, end of period 1   1  
Investment, Identifier [Axis]: AEP Passion Intermediate Holdings, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,235  
Fair value, end of period 1,257   1,257  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     326  
Fair value, end of period 99   99  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,082  
Fair value, end of period 4,097   4,097  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     341  
Fair value, end of period 75   75  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured delayed draw term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     38  
Fair value, end of period 565   565  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[10]     (2)  
Fair value, end of period [11] 92   92  
Investment, Identifier [Axis]: AFC-Dell Holding Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,413  
Fair value, end of period 5,392   5,392  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,194  
Fair value, end of period 5,183   5,183  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (46)  
Fair value, end of period 758   758  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (3)   (3)  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,922  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,542   1,542  
Investment, Identifier [Axis]: AHR Intermediate, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     31,833  
Fair value, end of period 31,649   31,649  
Investment, Identifier [Axis]: AKS Engineering and Forestry, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (33)   (33)  
Investment, Identifier [Axis]: AKS Engineering and Forestry, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 19,644   19,644  
Investment, Identifier [Axis]: ALM Media, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [12]     979  
Investment, Identifier [Axis]: ALM Media, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     37,457  
Investment, Identifier [Axis]: AM Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     79  
Fair value, end of period [6] (4)   (4)  
Investment, Identifier [Axis]: AM Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     459  
Fair value, end of period 4,282   4,282  
Investment, Identifier [Axis]: AMCP Treatment Intermediate, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (65)   (65)  
Investment, Identifier [Axis]: AMCP Treatment Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (60)   (60)  
Investment, Identifier [Axis]: AMCP Treatment Intermediate, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,485   17,485  
Investment, Identifier [Axis]: ASC Ortho Management Company, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     316  
Fair value, end of period 155   155  
Investment, Identifier [Axis]: ASC Ortho Management Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19  
Investment, Identifier [Axis]: ASC Ortho Management Company, LLC, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18   18  
Investment, Identifier [Axis]: ASC Ortho Management Company, LLC, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: ASC Ortho Management Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     500  
Fair value, end of period 246   246  
Investment, Identifier [Axis]: ASP Global Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,378  
Fair value, end of period 13,329   13,329  
Investment, Identifier [Axis]: ASP Global Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,074  
Fair value, end of period 4,496   4,496  
Investment, Identifier [Axis]: ASP Global Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     40,268  
Fair value, end of period 40,072   40,072  
Investment, Identifier [Axis]: AWI Group, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,944  
Fair value, end of period 4,393   4,393  
Investment, Identifier [Axis]: AWI Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,158  
Fair value, end of period 7,355   7,355  
Investment, Identifier [Axis]: AWI Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     54,233  
Fair value, end of period 53,978   53,978  
Investment, Identifier [Axis]: Abrasive Technology Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     68  
Fair value, end of period 155   155  
Investment, Identifier [Axis]: Abrasive Technology Intermediate, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,967  
Fair value, end of period 1,961   1,961  
Investment, Identifier [Axis]: Advanced Lighting Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] (8)   (8)  
Investment, Identifier [Axis]: Advanced Lighting Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,093  
Fair value, end of period 7,134   7,134  
Investment, Identifier [Axis]: Advocate RCM Acquisition Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (32)  
Fair value, end of period [6] (20)   (20)  
Investment, Identifier [Axis]: Advocate RCM Acquisition Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18,017  
Fair value, end of period 18,084   18,084  
Investment, Identifier [Axis]: Affinitiv Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Affinitiv Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,207  
Fair value, end of period 2,229   2,229  
Investment, Identifier [Axis]: Agility Intermediate, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     103  
Fair value, end of period 102   102  
Investment, Identifier [Axis]: Agility Intermediate, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     74  
Fair value, end of period 73   73  
Investment, Identifier [Axis]: Agility Intermediate, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     226  
Fair value, end of period 222   222  
Investment, Identifier [Axis]: AirPro Diagnostics, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 9   9  
Investment, Identifier [Axis]: AirPro Diagnostics, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 222   222  
Investment, Identifier [Axis]: AirPro Diagnostics, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 8,393   8,393  
Investment, Identifier [Axis]: Alcresta Buyer, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (222)  
Fair value, end of period 9,486   9,486  
Investment, Identifier [Axis]: Alcresta Buyer, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (44)  
Fair value, end of period [6] (37)   (37)  
Investment, Identifier [Axis]: Alcresta Buyer, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,033  
Fair value, end of period 12,634   12,634  
Investment, Identifier [Axis]: Aligned Dental Management Services, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,127   1,127  
Investment, Identifier [Axis]: Aligned Dental Management Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 280   280  
Investment, Identifier [Axis]: Aligned Dental Management Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7,782   7,782  
Investment, Identifier [Axis]: Alliance Environmental Group, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     44  
Fair value, end of period 27   27  
Investment, Identifier [Axis]: Alliance Environmental Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     29  
Investment, Identifier [Axis]: Alliance Environmental Group, LLC, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7   7  
Investment, Identifier [Axis]: Alliance Environmental Group, LLC, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18   18  
Investment, Identifier [Axis]: Alliance Environmental Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,771  
Fair value, end of period 1,095   1,095  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (22)  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (13)   (13)  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,006   3,006  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (77)  
Fair value, end of period [6] (55)   (55)  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,593  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18,641   18,641  
Investment, Identifier [Axis]: AlphaCoin LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,886   1,886  
Investment, Identifier [Axis]: Altamira Material Solutions, LP, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     34  
Fair value, end of period 34   34  
Investment, Identifier [Axis]: Altamira Material Solutions, LP, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,010  
Fair value, end of period 1,005   1,005  
Investment, Identifier [Axis]: American Equipment Systems LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     36  
Fair value, end of period 36   36  
Investment, Identifier [Axis]: American Equipment Systems LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     69  
Fair value, end of period 513   513  
Investment, Identifier [Axis]: American Equipment Systems LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     922  
Fair value, end of period 69   69  
Investment, Identifier [Axis]: American Equipment Systems LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     313  
Fair value, end of period 920   920  
Investment, Identifier [Axis]: American Equipment Systems LLC, First lien senior secured term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 312   312  
Investment, Identifier [Axis]: American Family Care, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     355  
Investment, Identifier [Axis]: American Family Care, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (73)   (73)  
Investment, Identifier [Axis]: American Family Care, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 506   506  
Investment, Identifier [Axis]: American Family Care, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (35)  
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: American Family Care, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,284  
Fair value, end of period 22,922   22,922  
Investment, Identifier [Axis]: Ansira Partners II, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (90)   (90)  
Investment, Identifier [Axis]: Ansira Partners II, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 45,750   45,750  
Investment, Identifier [Axis]: Answer Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (6)  
Fair value, end of period 350   350  
Investment, Identifier [Axis]: Answer Acquisition, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,651  
Fair value, end of period 1,643   1,643  
Investment, Identifier [Axis]: Answer Acquisition, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     845  
Fair value, end of period 840   840  
Investment, Identifier [Axis]: Answer Acquisition, LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,845  
Fair value, end of period 9,797   9,797  
Investment, Identifier [Axis]: Aptitude Health Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     39  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Aptitude Health Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,074  
Fair value, end of period 1,069   1,069  
Investment, Identifier [Axis]: Aquatic Sales Solutions, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     94  
Fair value, end of period 74   74  
Investment, Identifier [Axis]: Aquatic Sales Solutions, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,315  
Fair value, end of period 2,017   2,017  
Investment, Identifier [Axis]: Ascend Plastic Surgery Partners MSO LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (335)  
Fair value, end of period 4,701   4,701  
Investment, Identifier [Axis]: Ascend Plastic Surgery Partners MSO LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (67)  
Fair value, end of period [6] (55)   (55)  
Investment, Identifier [Axis]: Ascend Plastic Surgery Partners MSO LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,748  
Fair value, end of period 6,714   6,714  
Investment, Identifier [Axis]: Ascent Lifting, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (44)  
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: Ascent Lifting, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,696  
Fair value, end of period 16,368   16,368  
Investment, Identifier [Axis]: AvCarb, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     235  
Fair value, end of period 221   221  
Investment, Identifier [Axis]: AvCarb, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4  
Fair value, end of period 33   33  
Investment, Identifier [Axis]: AvCarb, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     501  
Fair value, end of period 471   471  
Investment, Identifier [Axis]: BBG, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [13]     215  
Fair value, end of period [14] 223   223  
Investment, Identifier [Axis]: BBG, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,858  
Fair value, end of period 1,940   1,940  
Investment, Identifier [Axis]: BCI Burke Holding Corp, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,558  
Fair value, end of period 1,472   1,472  
Investment, Identifier [Axis]: BCI Burke Holding Corp, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (61)  
Fair value, end of period [6] (41)   (41)  
Investment, Identifier [Axis]: BCI Burke Holding Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (23)  
Fair value, end of period [6] (15)   (15)  
Investment, Identifier [Axis]: BCI Burke Holding Corp, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,424  
Fair value, end of period 6,057   6,057  
Investment, Identifier [Axis]: BCI Burke Holding Corp, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,831  
Fair value, end of period 11,191   11,191  
Investment, Identifier [Axis]: BPCP EE Intermedco LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,984  
Fair value, end of period 1,997   1,997  
Investment, Identifier [Axis]: BPCP EE Intermedco LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (38)  
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: BPCP EE Intermedco LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,306  
Fair value, end of period 6,283   6,283  
Investment, Identifier [Axis]: BPCP NSA Intermedco, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,651  
Fair value, end of period 6,844   6,844  
Investment, Identifier [Axis]: BPCP NSA Intermedco, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (69)  
Fair value, end of period [6] (60)   (60)  
Investment, Identifier [Axis]: BPCP NSA Intermedco, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     34,594  
Fair value, end of period 34,378   34,378  
Investment, Identifier [Axis]: BPCP WLF Intermedco LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (58)  
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: BPCP WLF Intermedco LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (76)  
Fair value, end of period 4,632   4,632  
Investment, Identifier [Axis]: BPCP WLF Intermedco LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (34)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: BPCP WLF Intermedco LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     24,137  
Fair value, end of period 24,039   24,039  
Investment, Identifier [Axis]: BSC ASI BUYER, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (37)  
Investment, Identifier [Axis]: BSC ASI BUYER, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     29,527  
Investment, Identifier [Axis]: BSC ASI Buyer, LLC , First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (23)   (23)  
Investment, Identifier [Axis]: BSC ASI Buyer, LLC , First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 29,418   29,418  
Investment, Identifier [Axis]: BSC Top Shelf Blocker LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (32)  
Fair value, end of period [6] (27)   (27)  
Investment, Identifier [Axis]: BSC Top Shelf Blocker LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     15,841  
Fair value, end of period 15,752   15,752  
Investment, Identifier [Axis]: Bakery Manufacturing Company, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (43)  
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: Bakery Manufacturing Company, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,032  
Fair value, end of period 16,982   16,982  
Investment, Identifier [Axis]: Banner Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     548  
Fair value, end of period 404   404  
Investment, Identifier [Axis]: Banner Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     66  
Fair value, end of period [6] (107)   (107)  
Investment, Identifier [Axis]: Banner Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,317  
Fair value, end of period 974   974  
Investment, Identifier [Axis]: Barkley, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (37)  
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: Barkley, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     42,866  
Fair value, end of period 42,981   42,981  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     813  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 811   811  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,969   5,969  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Beacon Oral Specialists Management LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     903  
Fair value, end of period 898   898  
Investment, Identifier [Axis]: Beghou Consulting, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [15]     1,523  
Fair value, end of period [16] 1,315   1,315  
Investment, Identifier [Axis]: Beghou Consulting, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     14,906  
Fair value, end of period 14,858   14,858  
Investment, Identifier [Axis]: Behavior Frontiers, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (13)  
Investment, Identifier [Axis]: Behavior Frontiers, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[17]     0  
Investment, Identifier [Axis]: Behavior Frontiers, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     566  
Investment, Identifier [Axis]: Best Version Media Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (70)  
Fair value, end of period [6] (40)   (40)  
Investment, Identifier [Axis]: Best Version Media Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     49,947  
Fair value, end of period 28,558   28,558  
Investment, Identifier [Axis]: Bestop, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (102)  
Fair value, end of period 1,262   1,262  
Investment, Identifier [Axis]: Bestop, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,133  
Fair value, end of period [6] (94)   (94)  
Investment, Identifier [Axis]: Bestop, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     43,365  
Fair value, end of period 43,115   43,115  
Investment, Identifier [Axis]: Brightview, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     47  
Fair value, end of period 47   47  
Investment, Identifier [Axis]: Brightview, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     52  
Fair value, end of period 42   42  
Investment, Identifier [Axis]: Brightview, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     675  
Fair value, end of period 671   671  
Investment, Identifier [Axis]: Bulk Lift International, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     124  
Fair value, end of period 123   123  
Investment, Identifier [Axis]: Bulk Lift International, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (30)  
Fair value, end of period 333   333  
Investment, Identifier [Axis]: Bulk Lift International, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,987  
Fair value, end of period 7,942   7,942  
Investment, Identifier [Axis]: CAP KSI Holdings LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,224  
Fair value, end of period [18] 2,804   2,804  
Investment, Identifier [Axis]: CAP KSI Holdings LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     42,034  
Fair value, end of period 59,432   59,432  
Investment, Identifier [Axis]: CARDS Acquisition, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (405)  
Fair value, end of period 5,956   5,956  
Investment, Identifier [Axis]: CARDS Acquisition, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,518  
Fair value, end of period 7,398   7,398  
Investment, Identifier [Axis]: CARDS Acquisition, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     40,503  
Fair value, end of period 40,220   40,220  
Investment, Identifier [Axis]: CHS Holdco, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7,714   7,714  
Investment, Identifier [Axis]: CHS Holdco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,447   1,447  
Investment, Identifier [Axis]: CHS Holdco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,851   17,851  
Investment, Identifier [Axis]: CL Services Acquisition, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,651  
Fair value, end of period 7,047   7,047  
Investment, Identifier [Axis]: CL Services Acquisition, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (151)  
Fair value, end of period 8,347   8,347  
Investment, Identifier [Axis]: CL Services Acquisition, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 118   118  
Investment, Identifier [Axis]: CL Services Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (29)  
Fair value, end of period 415   415  
Investment, Identifier [Axis]: CL Services Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,938  
Fair value, end of period 13,419   13,419  
Investment, Identifier [Axis]: CNS Purchaser, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (83)  
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: CNS Purchaser, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     927  
Fair value, end of period [6] (48)   (48)  
Investment, Identifier [Axis]: CNS Purchaser, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     38,009  
Fair value, end of period 37,864   37,864  
Investment, Identifier [Axis]: CPS Power Buyer, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     117  
Fair value, end of period 2,940   2,940  
Investment, Identifier [Axis]: CPS Power Buyer, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,911  
Fair value, end of period 2,286   2,286  
Investment, Identifier [Axis]: CPS Power Buyer, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (44)   (44)  
Investment, Identifier [Axis]: CPS Power Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,019  
Fair value, end of period [6],[19] (22)   (22)  
Investment, Identifier [Axis]: CPS Power Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,561  
Fair value, end of period 19,615   19,615  
Investment, Identifier [Axis]: CR Services Intermediate, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     119  
Fair value, end of period 120   120  
Investment, Identifier [Axis]: CR Services Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7  
Fair value, end of period 17   17  
Investment, Identifier [Axis]: CR Services Intermediate, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     220  
Fair value, end of period 220   220  
Investment, Identifier [Axis]: CR Services Intermediate, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     220  
Fair value, end of period [21] 220   220  
Investment, Identifier [Axis]: CSL Intermediate Acquisition LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (29)  
Investment, Identifier [Axis]: CSL Intermediate Acquisition LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (46)   (46)  
Investment, Identifier [Axis]: CSL Intermediate Acquisition LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,670   1,670  
Investment, Identifier [Axis]: CSL Intermediate Acquisition LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (15)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: CSL Intermediate Acquisition LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,682  
Fair value, end of period 9,071   9,071  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured delayed draw term loan - C$ 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     11  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured delayed draw term loan - C$ 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     139  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 16   16  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] (14)   (14)  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 84   84  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan - C$ 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     115  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan - C$ 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     28  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 34   34  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     84  
Fair value, end of period 13   13  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 61   61  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured revolving loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 21   21  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 69   69  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp, First lien senior secured term loan - C$        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [20]     120  
Investment, Identifier [Axis]: Capital Construction, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (46)   (46)  
Investment, Identifier [Axis]: Capital Construction, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,129   3,129  
Investment, Identifier [Axis]: Capital Construction, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,929   5,929  
Investment, Identifier [Axis]: Certified Collision Group Acquisition Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Certified Collision Group Acquisition Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,093  
Fair value, end of period 1,087   1,087  
Investment, Identifier [Axis]: Champion Motorsports Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Champion Motorsports Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,637  
Fair value, end of period 1,609   1,609  
Investment, Identifier [Axis]: Change Academy at Lake of the Ozarks, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,842  
Fair value, end of period [21] 1,915   1,915  
Investment, Identifier [Axis]: Change Academy at Lake of the Ozarks, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     30,980  
Investment, Identifier [Axis]: Change Academy at Lake of the Ozarks, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 3,524   3,524  
Investment, Identifier [Axis]: Change Academy at Lake of the Ozarks, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [21] 31,047   31,047  
Investment, Identifier [Axis]: Community Care Partners, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     161  
Fair value, end of period 161   161  
Investment, Identifier [Axis]: Community Care Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     51  
Fair value, end of period 74   74  
Investment, Identifier [Axis]: Community Care Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     920  
Fair value, end of period 920   920  
Investment, Identifier [Axis]: Compass Restoration Intermediary Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (40)   (40)  
Investment, Identifier [Axis]: Compass Restoration Intermediary Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (19)   (19)  
Investment, Identifier [Axis]: Compass Restoration Intermediary Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 6,829   6,829  
Investment, Identifier [Axis]: Copperweld Group, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     260  
Investment, Identifier [Axis]: Copperweld Group, Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,228  
Investment, Identifier [Axis]: Cosmetic Solutions LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     87  
Investment, Identifier [Axis]: Cosmetic Solutions LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     (173)  
Investment, Identifier [Axis]: Cosmetic Solutions LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     669  
Fair value, end of period [23] 702   702  
Investment, Identifier [Axis]: Cosmetic Solutions LLC, Sponsor subordinated note        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 0   0  
Investment, Identifier [Axis]: Creative Outdoor Holding Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (87)   (87)  
Investment, Identifier [Axis]: Creative Outdoor Holding Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6],[24] (42)   (42)  
Investment, Identifier [Axis]: Creative Outdoor Holding Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18,127   18,127  
Investment, Identifier [Axis]: Custom Agronomics Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,541  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: Custom Agronomics Holdings, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,030  
Fair value, end of period 4,020   4,020  
Investment, Identifier [Axis]: Custom Agronomics Holdings, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,485  
Fair value, end of period 2,479   2,479  
Investment, Identifier [Axis]: Custom Agronomics Holdings, LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 487   487  
Investment, Identifier [Axis]: DASCO HME, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 419   419  
Investment, Identifier [Axis]: DASCO HME, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (45)   (45)  
Investment, Identifier [Axis]: DASCO HME, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,511   17,511  
Investment, Identifier [Axis]: DNS-IMI Acquisition Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: DNS-IMI Acquisition Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,403  
Fair value, end of period 1,395   1,395  
Investment, Identifier [Axis]: Datum Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (25)  
Fair value, end of period [6] (27)   (27)  
Investment, Identifier [Axis]: Datum Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,356  
Fair value, end of period 23,770   23,770  
Investment, Identifier [Axis]: DealerOn Holdco, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (2)   (2)  
Investment, Identifier [Axis]: DealerOn Holdco, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 20,336   20,336  
Investment, Identifier [Axis]: DealerOn Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (3)  
Investment, Identifier [Axis]: DealerOn Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     20,391  
Investment, Identifier [Axis]: DemandTec, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (57)   (57)  
Investment, Identifier [Axis]: DemandTec, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: DemandTec, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7,595   7,595  
Investment, Identifier [Axis]: Dermatology Medical Partners OpCo LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     64  
Fair value, end of period 64   64  
Investment, Identifier [Axis]: Dermatology Medical Partners OpCo LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     28  
Fair value, end of period 29   29  
Investment, Identifier [Axis]: Dermatology Medical Partners OpCo LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     254  
Fair value, end of period 255   255  
Investment, Identifier [Axis]: Diamondback Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,008  
Fair value, end of period 3,631   3,631  
Investment, Identifier [Axis]: Diamondback Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Diamondback Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,407  
Fair value, end of period 1,404   1,404  
Investment, Identifier [Axis]: Double E Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,532  
Fair value, end of period 1,755   1,755  
Investment, Identifier [Axis]: Double E Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,721  
Investment, Identifier [Axis]: Double E Company, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 734   734  
Investment, Identifier [Axis]: Double E Company, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,642   17,642  
Investment, Identifier [Axis]: Duggal Acquisition, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (39)  
Fair value, end of period [6] (34)   (34)  
Investment, Identifier [Axis]: Duggal Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,336  
Fair value, end of period [6] (111)   (111)  
Investment, Identifier [Axis]: Duggal Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     20,222  
Fair value, end of period 20,112   20,112  
Investment, Identifier [Axis]: Dykstras Auto LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     251  
Investment, Identifier [Axis]: Dykstras Auto LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 266   266  
Investment, Identifier [Axis]: Dykstras Auto LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,566   1,566  
Investment, Identifier [Axis]: Dykstras Auto LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     26  
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: Dykstras Auto LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     613  
Fair value, end of period 2,968   2,968  
Investment, Identifier [Axis]: Dynamic Campus Acquisition, Inc., First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (119)   (119)  
Investment, Identifier [Axis]: Dynamic Campus Acquisition, Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (36)   (36)  
Investment, Identifier [Axis]: Dynamic Campus Acquisition, Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 11,052   11,052  
Investment, Identifier [Axis]: E-Phoenix Acquisition Co. Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     22  
Fair value, end of period 7   7  
Investment, Identifier [Axis]: E-Phoenix Acquisition Co. Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,339  
Fair value, end of period 1,329   1,329  
Investment, Identifier [Axis]: EH Management Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: EH Management Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,429  
Fair value, end of period 4,444   4,444  
Investment, Identifier [Axis]: EMSAR Acquisition LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     210  
Fair value, end of period 204   204  
Investment, Identifier [Axis]: EMSAR Acquisition LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     133  
Fair value, end of period 127   127  
Investment, Identifier [Axis]: EMSAR Acquisition LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,018  
Fair value, end of period 988   988  
Investment, Identifier [Axis]: ERG Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     340  
Fair value, end of period 260   260  
Investment, Identifier [Axis]: ERG Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,133  
Fair value, end of period 3,960   3,960  
Investment, Identifier [Axis]: ERG Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     35,724  
Fair value, end of period 27,359   27,359  
Investment, Identifier [Axis]: Eastern Communications Solutions, Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (49)  
Fair value, end of period [6] (37)   (37)  
Investment, Identifier [Axis]: Eastern Communications Solutions, Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,422  
Fair value, end of period 12,372   12,372  
Investment, Identifier [Axis]: Edko Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [25]     11  
Fair value, end of period [26] 11   11  
Investment, Identifier [Axis]: Edko Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,102  
Fair value, end of period 1,102   1,102  
Investment, Identifier [Axis]: Empire Equipment Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     184  
Fair value, end of period 187   187  
Investment, Identifier [Axis]: Empire Equipment Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,638  
Fair value, end of period 1,597   1,597  
Investment, Identifier [Axis]: Empire Equipment Company, LLC, Sponsor subordinated note        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     15  
Fair value, end of period 18   18  
Investment, Identifier [Axis]: Endodontic Practice Partners, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,614  
Fair value, end of period 16,494   16,494  
Investment, Identifier [Axis]: Endodontic Practice Partners, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,371  
Fair value, end of period 6,787   6,787  
Investment, Identifier [Axis]: Endodontic Practice Partners, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (40)   (40)  
Investment, Identifier [Axis]: Endodontic Practice Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     762  
Fair value, end of period 763   763  
Investment, Identifier [Axis]: Endodontic Practice Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     15,118  
Fair value, end of period 15,009   15,009  
Investment, Identifier [Axis]: Esquire Deposition Solutions, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,892  
Fair value, end of period 6,846   6,846  
Investment, Identifier [Axis]: Esquire Deposition Solutions, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,670  
Fair value, end of period 6,626   6,626  
Investment, Identifier [Axis]: Esquire Deposition Solutions, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (82)  
Fair value, end of period 846   846  
Investment, Identifier [Axis]: Esquire Deposition Solutions, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     47,720  
Fair value, end of period 47,407   47,407  
Investment, Identifier [Axis]: Ever Fresh Fruit Company, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (41)  
Fair value, end of period 1,322   1,322  
Investment, Identifier [Axis]: Ever Fresh Fruit Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (22)  
Fair value, end of period [6] (18)   (18)  
Investment, Identifier [Axis]: Ever Fresh Fruit Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,171  
Fair value, end of period 7,139   7,139  
Investment, Identifier [Axis]: Exclusive Concepts, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     212  
Fair value, end of period 217   217  
Investment, Identifier [Axis]: Exclusive Concepts, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     218  
Fair value, end of period 2,790   2,790  
Investment, Identifier [Axis]: Exclusive Concepts, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,800  
Fair value, end of period 1,713   1,713  
Investment, Identifier [Axis]: Exclusive Concepts, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     22  
Fair value, end of period 22   22  
Investment, Identifier [Axis]: Exclusive Concepts, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,446  
Fair value, end of period 3,433   3,433  
Investment, Identifier [Axis]: FYZICAL Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,023  
Fair value, end of period 1,615   1,615  
Investment, Identifier [Axis]: FYZICAL Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18,664  
Fair value, end of period 18,571   18,571  
Investment, Identifier [Axis]: Fastlap, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (234)  
Investment, Identifier [Axis]: Fastlap, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,542  
Fair value, end of period 1,556   1,556  
Investment, Identifier [Axis]: Fastlap, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,874  
Fair value, end of period 9,924   9,924  
Investment, Identifier [Axis]: Formulated Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     282  
Fair value, end of period 289   289  
Investment, Identifier [Axis]: Formulated Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     177  
Fair value, end of period 158   158  
Investment, Identifier [Axis]: Formulated Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     432  
Fair value, end of period 445   445  
Investment, Identifier [Axis]: Franchise Fastlane, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Franchise Fastlane, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,110  
Fair value, end of period 1,050   1,050  
Investment, Identifier [Axis]: FreshAddress, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: FreshAddress, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,624  
Fair value, end of period 1,629   1,629  
Investment, Identifier [Axis]: GM Services Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 10,739   10,739  
Investment, Identifier [Axis]: GM Services Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (45)   (45)  
Investment, Identifier [Axis]: GM Services Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,779   5,779  
Investment, Identifier [Axis]: GPSTrackit Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,928  
Fair value, end of period 1,918   1,918  
Investment, Identifier [Axis]: GPSTrackit Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (90)  
Fair value, end of period 2,284   2,284  
Investment, Identifier [Axis]: GPSTrackit Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     31,752  
Fair value, end of period 31,672   31,672  
Investment, Identifier [Axis]: GS XX Corporation, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (38)  
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: GS XX Corporation, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,585  
Fair value, end of period 16,503   16,503  
Investment, Identifier [Axis]: Genius Bidco LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (33)  
Investment, Identifier [Axis]: Genius Bidco LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[27]     (58)  
Investment, Identifier [Axis]: Genius Bidco LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,438  
Investment, Identifier [Axis]: Genius Bidco, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: Genius Bidco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [28] 426   426  
Investment, Identifier [Axis]: Genius Bidco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 12,369   12,369  
Investment, Identifier [Axis]: Geriatric Medical and Surgical Supply, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (3)  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Geriatric Medical and Surgical Supply, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,827  
Fair value, end of period 19,704   19,704  
Investment, Identifier [Axis]: Gifthealth, Inc., First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (38)   (38)  
Investment, Identifier [Axis]: Gifthealth, Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (27)   (27)  
Investment, Identifier [Axis]: Gifthealth, Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 9,203   9,203  
Investment, Identifier [Axis]: Gold Medal Holdings, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (19)  
Fair value, end of period 968   968  
Investment, Identifier [Axis]: Gold Medal Holdings, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [29]     279  
Fair value, end of period [30] 620   620  
Investment, Identifier [Axis]: Gold Medal Holdings, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,005  
Fair value, end of period 11,934   11,934  
Investment, Identifier [Axis]: Golden Bear PT Partners, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     170  
Fair value, end of period 170   170  
Investment, Identifier [Axis]: Golden Bear PT Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     25  
Fair value, end of period 26   26  
Investment, Identifier [Axis]: Golden Bear PT Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,461  
Fair value, end of period 1,463   1,463  
Investment, Identifier [Axis]: Green Monster Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     37  
Fair value, end of period 26   26  
Investment, Identifier [Axis]: Green Monster Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,136  
Fair value, end of period 1,129   1,129  
Investment, Identifier [Axis]: Guardian Dentistry Practice Management, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     365  
Fair value, end of period 363   363  
Investment, Identifier [Axis]: Guardian Dentistry Practice Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (39)  
Fair value, end of period [6] (26)   (26)  
Investment, Identifier [Axis]: Guardian Dentistry Practice Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     381  
Fair value, end of period 379   379  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,134  
Fair value, end of period 11,741   11,741  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,819  
Fair value, end of period 7,084   7,084  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (88)  
Fair value, end of period [6] (83)   (83)  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [31]     374  
Fair value, end of period [32] 2,343   2,343  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,761  
Fair value, end of period 890   890  
Investment, Identifier [Axis]: H2 Holdco, Inc, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     897  
Fair value, end of period 17,639   17,639  
Investment, Identifier [Axis]: HEC Purchaser Corp., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (93)  
Fair value, end of period 1,072   1,072  
Investment, Identifier [Axis]: HEC Purchaser Corp., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     49,608  
Fair value, end of period 57,224   57,224  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     93  
Fair value, end of period 348   348  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     350  
Fair value, end of period 319   319  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 699   699  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     43  
Fair value, end of period 327   327  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     635  
Fair value, end of period 2,111   2,111  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     979  
Fair value, end of period 630   630  
Investment, Identifier [Axis]: HLSG Intermediate, LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,272   1,272  
Investment, Identifier [Axis]: HTI Intermediate, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (16)  
Fair value, end of period 2,319   2,319  
Investment, Identifier [Axis]: HTI Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     132  
Fair value, end of period 483   483  
Investment, Identifier [Axis]: HTI Intermediate, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,980  
Investment, Identifier [Axis]: HTI Intermediate, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,754   1,754  
Investment, Identifier [Axis]: HTI Intermediate, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,951   4,951  
Investment, Identifier [Axis]: Harley Exteriors Acquisition, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (66)  
Fair value, end of period [6] (56)   (56)  
Investment, Identifier [Axis]: Harley Exteriors Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (22)  
Fair value, end of period 863   863  
Investment, Identifier [Axis]: Harley Exteriors Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,377  
Fair value, end of period 8,339   8,339  
Investment, Identifier [Axis]: Health and Wellness Partners LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (82)   (82)  
Investment, Identifier [Axis]: Health and Wellness Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (35)   (35)  
Investment, Identifier [Axis]: Health and Wellness Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 21,356   21,356  
Investment, Identifier [Axis]: Helpware, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,382  
Fair value, end of period 2,578   2,578  
Investment, Identifier [Axis]: Helpware, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,603  
Fair value, end of period 13,892   13,892  
Investment, Identifier [Axis]: Highland Acquisition, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     412  
Fair value, end of period 422   422  
Investment, Identifier [Axis]: Highland Acquisition, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,688  
Fair value, end of period 10,665   10,665  
Investment, Identifier [Axis]: Home Brands Group Holdings, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Home Brands Group Holdings, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,522  
Fair value, end of period 12,040   12,040  
Investment, Identifier [Axis]: Hultec Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     538  
Fair value, end of period 2,354   2,354  
Investment, Identifier [Axis]: Hultec Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,832  
Fair value, end of period 13,876   13,876  
Investment, Identifier [Axis]: Hydromax USA, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     108  
Investment, Identifier [Axis]: Hydromax USA, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 108   108  
Investment, Identifier [Axis]: Hydromax USA, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (9)   (9)  
Investment, Identifier [Axis]: Hydromax USA, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     43  
Fair value, end of period 67   67  
Investment, Identifier [Axis]: Hydromax USA, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,176  
Fair value, end of period 1,173   1,173  
Investment, Identifier [Axis]: IMA Group Management Company, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (3)  
Investment, Identifier [Axis]: IMA Group Management Company, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 10   10  
Investment, Identifier [Axis]: IMA Group Management Company, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (35)   (35)  
Investment, Identifier [Axis]: IMA Group Management Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17  
Fair value, end of period 17   17  
Investment, Identifier [Axis]: IMA Group Management Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     829  
Fair value, end of period 1,532   1,532  
Investment, Identifier [Axis]: IPC Pain Acquisition, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,782  
Fair value, end of period 9,731   9,731  
Investment, Identifier [Axis]: IPC Pain Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (7)  
Fair value, end of period [6] (5)   (5)  
Investment, Identifier [Axis]: IPC Pain Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,880  
Fair value, end of period 2,865   2,865  
Investment, Identifier [Axis]: ISPN Intermediate, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     131  
Fair value, end of period 134   134  
Investment, Identifier [Axis]: ISPN Intermediate, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,834  
Fair value, end of period 7,788   7,788  
Investment, Identifier [Axis]: ISSA, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Fair value, end of period 116   116  
Investment, Identifier [Axis]: ISSA, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,813  
Fair value, end of period 1,804   1,804  
Investment, Identifier [Axis]: Icelandirect, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     32  
Fair value, end of period 32   32  
Investment, Identifier [Axis]: Icelandirect, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     694  
Fair value, end of period 692   692  
Investment, Identifier [Axis]: Icreon Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (16)  
Fair value, end of period 524   524  
Investment, Identifier [Axis]: Icreon Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,860  
Fair value, end of period 11,114   11,114  
Investment, Identifier [Axis]: Industrial Air Flow Dynamics, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,510  
Investment, Identifier [Axis]: Industrial Air Flow Dynamics, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18,260  
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,061  
Fair value, end of period 2,053   2,053  
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period 7   7  
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,649  
Fair value, end of period 19,721   19,721  
Investment, Identifier [Axis]: Innovative FlexPak, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [23] 14   14  
Investment, Identifier [Axis]: Innovative FlexPak, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     127  
Fair value, end of period [23] 90   90  
Investment, Identifier [Axis]: Innovative FlexPak, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     1,499  
Fair value, end of period [23] 1,173   1,173  
Investment, Identifier [Axis]: Innovative FlexPak, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [22]     421  
Fair value, end of period [23] 382   382  
Investment, Identifier [Axis]: Ironhorse Purchaser, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,178  
Fair value, end of period 8,930   8,930  
Investment, Identifier [Axis]: Ironhorse Purchaser, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [33]     1,830  
Fair value, end of period [6],[34] (43)   (43)  
Investment, Identifier [Axis]: Ironhorse Purchaser, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     29,653  
Fair value, end of period 29,009   29,009  
Investment, Identifier [Axis]: Jacent Strategic Merchandising, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,094   1,094  
Investment, Identifier [Axis]: Jacent Strategic Merchandising, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 13,504   13,504  
Investment, Identifier [Axis]: Johns Byrne LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (47)  
Fair value, end of period [6] (40)   (40)  
Investment, Identifier [Axis]: Johns Byrne LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (27)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: Johns Byrne LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,362  
Fair value, end of period 9,142   9,142  
Investment, Identifier [Axis]: Juniper Landscaping Holdings LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,814  
Fair value, end of period 5,784   5,784  
Investment, Identifier [Axis]: Juniper Landscaping Holdings LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     86  
Fair value, end of period 1,677   1,677  
Investment, Identifier [Axis]: Juniper Landscaping Holdings LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 85   85  
Investment, Identifier [Axis]: Juniper Landscaping Holdings LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [35]     349  
Fair value, end of period [36] 405   405  
Investment, Identifier [Axis]: Juniper Landscaping Holdings LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,977  
Fair value, end of period 3,937   3,937  
Investment, Identifier [Axis]: K-1 Packaging Group LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     80  
Fair value, end of period 2,044   2,044  
Investment, Identifier [Axis]: K-1 Packaging Group LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     30,635  
Fair value, end of period 30,518   30,518  
Investment, Identifier [Axis]: Kaizen Auto Care, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2  
Fair value, end of period 104   104  
Investment, Identifier [Axis]: Kaizen Auto Care, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,059  
Fair value, end of period 1,026   1,026  
Investment, Identifier [Axis]: Keystone Partners, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (34)  
Fair value, end of period 771   771  
Investment, Identifier [Axis]: Keystone Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (19)  
Fair value, end of period [6] (14)   (14)  
Investment, Identifier [Axis]: Keystone Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     14,204  
Fair value, end of period 12,011   12,011  
Investment, Identifier [Axis]: Kittyhawk, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (57)  
Fair value, end of period [6] (47)   (47)  
Investment, Identifier [Axis]: Kittyhawk, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     14,925  
Fair value, end of period 14,717   14,717  
Investment, Identifier [Axis]: Kravet Design LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (64)  
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: Kravet Design LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     20,629  
Fair value, end of period 18,471   18,471  
Investment, Identifier [Axis]: Kwalu, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     962  
Fair value, end of period 813   813  
Investment, Identifier [Axis]: Kwalu, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     29,981  
Fair value, end of period 29,865   29,865  
Investment, Identifier [Axis]: L&J Holding Company LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (72)  
Fair value, end of period [6] (62)   (62)  
Investment, Identifier [Axis]: L&J Holding Company LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (37)  
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: L&J Holding Company LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,556  
Fair value, end of period 11,496   11,496  
Investment, Identifier [Axis]: Lakeshirts LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (40)  
Fair value, end of period [6] (18)   (18)  
Investment, Identifier [Axis]: Lakeshirts LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,048  
Fair value, end of period 794   794  
Investment, Identifier [Axis]: Lakeshirts LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     32,767  
Fair value, end of period 29,711   29,711  
Investment, Identifier [Axis]: Lawn Care Holdings Purchaser, Inc, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,510  
Fair value, end of period 4,494   4,494  
Investment, Identifier [Axis]: Lawn Care Holdings Purchaser, Inc, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,227  
Fair value, end of period 9,270   9,270  
Investment, Identifier [Axis]: Lawn Care Holdings Purchaser, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (33)  
Fair value, end of period [6],[37] (23)   (23)  
Investment, Identifier [Axis]: Lawn Care Holdings Purchaser, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,104  
Fair value, end of period 7,078   7,078  
Investment, Identifier [Axis]: Lehman Pipe Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,527   1,527  
Investment, Identifier [Axis]: Lehman Pipe Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (92)  
Fair value, end of period 2,030   2,030  
Investment, Identifier [Axis]: Lehman Pipe Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     29,037  
Fair value, end of period 37,209   37,209  
Investment, Identifier [Axis]: Leonard Group, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     77  
Fair value, end of period 170   170  
Investment, Identifier [Axis]: Leonard Group, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,303  
Fair value, end of period 1,296   1,296  
Investment, Identifier [Axis]: Load One Purchaser Corporation, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     306  
Fair value, end of period 1,550   1,550  
Investment, Identifier [Axis]: Load One Purchaser Corporation, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     982  
Fair value, end of period 975   975  
Investment, Identifier [Axis]: Load One Purchaser Corporation, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,786  
Fair value, end of period 13,693   13,693  
Investment, Identifier [Axis]: MRC Keeler Acquisition LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4  
Fair value, end of period 4   4  
Investment, Identifier [Axis]: MRC Keeler Acquisition LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (5)  
Fair value, end of period [6] (2)   (2)  
Investment, Identifier [Axis]: MRC Keeler Acquisition LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     879  
Fair value, end of period 895   895  
Investment, Identifier [Axis]: MS Pain, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (119)  
Fair value, end of period [6] (93)   (93)  
Investment, Identifier [Axis]: MS Pain, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (17)  
Fair value, end of period [6] (13)   (13)  
Investment, Identifier [Axis]: MS Pain, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,313  
Fair value, end of period 3,301   3,301  
Investment, Identifier [Axis]: MWEC Management, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     431  
Fair value, end of period 432   432  
Investment, Identifier [Axis]: MWEC Management, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (29)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: MWEC Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,244  
Fair value, end of period 1,249   1,249  
Investment, Identifier [Axis]: MWEC Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     14,712  
Fair value, end of period 14,641   14,641  
Investment, Identifier [Axis]: MacKenzie Childs Acquisition, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (24)  
Fair value, end of period 1,782   1,782  
Investment, Identifier [Axis]: MacKenzie Childs Acquisition, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     15,922  
Fair value, end of period 15,947   15,947  
Investment, Identifier [Axis]: MacNeill Pride Group Corp, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 344   344  
Investment, Identifier [Axis]: MacNeill Pride Group Corp, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     51  
Investment, Identifier [Axis]: MacNeill Pride Group Corp, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     300  
Investment, Identifier [Axis]: MacNeill Pride Group Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     71  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: MacNeill Pride Group Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     805  
Fair value, end of period 788   788  
Investment, Identifier [Axis]: Mad Rose Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [38]     50  
Fair value, end of period [39] 232   232  
Investment, Identifier [Axis]: Mad Rose Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,877  
Fair value, end of period 2,865   2,865  
Investment, Identifier [Axis]: Main Street Gourmet, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     41  
Investment, Identifier [Axis]: Main Street Gourmet, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Investment, Identifier [Axis]: Main Street Gourmet, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,089  
Investment, Identifier [Axis]: Mattco Forge, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (65)  
Fair value, end of period [6] (42)   (42)  
Investment, Identifier [Axis]: Mattco Forge, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     45,579  
Fair value, end of period 37,503   37,503  
Investment, Identifier [Axis]: Medical Technology Associates, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (22)  
Fair value, end of period 1,648   1,648  
Investment, Identifier [Axis]: Medical Technology Associates, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     22,450  
Fair value, end of period 27,053   27,053  
Investment, Identifier [Axis]: Merge USA, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (29)   (29)  
Investment, Identifier [Axis]: Merge USA, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 11,074   11,074  
Investment, Identifier [Axis]: MetaSource, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     23  
Fair value, end of period 36   36  
Investment, Identifier [Axis]: MetaSource, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     916  
Fair value, end of period 912   912  
Investment, Identifier [Axis]: Milestone Technologies, Inc., First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: Milestone Technologies, Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (38)   (38)  
Investment, Identifier [Axis]: Milestone Technologies, Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 19,981   19,981  
Investment, Identifier [Axis]: Millennia Patient Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     79  
Fair value, end of period 133   133  
Investment, Identifier [Axis]: Millennia Patient Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     964  
Fair value, end of period 957   957  
Investment, Identifier [Axis]: Montway LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     659  
Investment, Identifier [Axis]: Montway LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Investment, Identifier [Axis]: Montway LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     697  
Investment, Identifier [Axis]: My Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (49)  
Fair value, end of period 3,082   3,082  
Investment, Identifier [Axis]: My Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     829  
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: My Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,741  
Fair value, end of period 7,699   7,699  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,169  
Fair value, end of period 4,607   4,607  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,674  
Fair value, end of period 3,149   3,149  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,654  
Fair value, end of period 7,091   7,091  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,637  
Fair value, end of period 2,636   2,636  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 5        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,136  
Fair value, end of period 2,657   2,657  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 6        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,467  
Fair value, end of period 6,617   6,617  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured delayed draw term loan 7        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,190  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     689  
Fair value, end of period 2,135   2,135  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     648  
Fair value, end of period 2,542   2,542  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,394  
Fair value, end of period 3,364   3,364  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,558  
Fair value, end of period 17,317   17,317  
Investment, Identifier [Axis]: NEFCO Holding Company, LLC, First lien senior secured term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,430  
Fair value, end of period 643   643  
Investment, Identifier [Axis]: NORTH & WARREN, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (11)   (11)  
Investment, Identifier [Axis]: NORTH & WARREN, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,434   4,434  
Investment, Identifier [Axis]: NTM Acquisition Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     796  
Fair value, end of period [6] (9)   (9)  
Investment, Identifier [Axis]: NTM Acquisition Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,979  
Fair value, end of period 12,024   12,024  
Investment, Identifier [Axis]: NWI Merger Sub, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (127)  
Fair value, end of period [6] (99)   (99)  
Investment, Identifier [Axis]: NWI Merger Sub, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (49)  
Fair value, end of period [6] (38)   (38)  
Investment, Identifier [Axis]: NWI Merger Sub, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,614  
Fair value, end of period 16,564   16,564  
Investment, Identifier [Axis]: Nasco Healthcare Inc., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     926  
Fair value, end of period 2,184   2,184  
Investment, Identifier [Axis]: Nasco Healthcare Inc., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,675  
Fair value, end of period 11,629   11,629  
Investment, Identifier [Axis]: Nelson Name Plate Company, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     116  
Fair value, end of period 115   115  
Investment, Identifier [Axis]: Nelson Name Plate Company, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Fair value, end of period 27   27  
Investment, Identifier [Axis]: Nelson Name Plate Company, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     874  
Fair value, end of period 3,404   3,404  
Investment, Identifier [Axis]: Network Partners Acquisitions, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Network Partners Acquisitions, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     264  
Fair value, end of period 210   210  
Investment, Identifier [Axis]: Nimlok Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[40]     (1)  
Fair value, end of period [6],[41] 0   0  
Investment, Identifier [Axis]: Nimlok Company, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,595  
Fair value, end of period 2,560   2,560  
Investment, Identifier [Axis]: Nimlok Company, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,090  
Fair value, end of period 3,040   3,040  
Investment, Identifier [Axis]: NutriScience Innovations, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[42]     (1)  
Fair value, end of period [6],[43] (1)   (1)  
Investment, Identifier [Axis]: NutriScience Innovations, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,314  
Fair value, end of period 1,841   1,841  
Investment, Identifier [Axis]: Optimized Marketing Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,178  
Fair value, end of period 2,968   2,968  
Investment, Identifier [Axis]: Optimized Marketing Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     25,336  
Fair value, end of period 24,869   24,869  
Investment, Identifier [Axis]: Outerbox, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (47)  
Fair value, end of period [6] (36)   (36)  
Investment, Identifier [Axis]: Outerbox, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (26)  
Fair value, end of period [6] (20)   (20)  
Investment, Identifier [Axis]: Outerbox, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18,441  
Fair value, end of period 17,703   17,703  
Investment, Identifier [Axis]: P and R Dental Strategies, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4  
Fair value, end of period 8   8  
Investment, Identifier [Axis]: P and R Dental Strategies, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     615  
Fair value, end of period 612   612  
Investment, Identifier [Axis]: P1 DENTAL MSO, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,640   1,640  
Investment, Identifier [Axis]: P1 DENTAL MSO, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (24)   (24)  
Investment, Identifier [Axis]: P1 DENTAL MSO, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18,761   18,761  
Investment, Identifier [Axis]: PHGP MB Purchaser, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     73  
Fair value, end of period 70   70  
Investment, Identifier [Axis]: PHGP MB Purchaser, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [44]     10  
Fair value, end of period [6],[45] (4)   (4)  
Investment, Identifier [Axis]: PHGP MB Purchaser, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     992  
Fair value, end of period 946   946  
Investment, Identifier [Axis]: PPW Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     26  
Fair value, end of period 9   9  
Investment, Identifier [Axis]: PPW Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     583  
Fair value, end of period 580   580  
Investment, Identifier [Axis]: PRA Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (1)  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: PRA Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     587  
Fair value, end of period 549   549  
Investment, Identifier [Axis]: PRM MANAGEMENT COMPANY, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (25)  
Investment, Identifier [Axis]: PRM MANAGEMENT COMPANY, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (17)  
Investment, Identifier [Axis]: PRM MANAGEMENT COMPANY, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,029  
Investment, Identifier [Axis]: PRM Management Company, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (23)   (23)  
Investment, Identifier [Axis]: PRM Management Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (16)   (16)  
Investment, Identifier [Axis]: PRM Management Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,946   3,946  
Investment, Identifier [Axis]: Palmetto Technology Group, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,641  
Fair value, end of period 10,620   10,620  
Investment, Identifier [Axis]: Palmetto Technology Group, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,347  
Fair value, end of period 9,285   9,285  
Investment, Identifier [Axis]: Palmetto Technology Group, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,383   4,383  
Investment, Identifier [Axis]: Palmetto Technology Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (44)  
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: Palmetto Technology Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,208  
Fair value, end of period 6,200   6,200  
Investment, Identifier [Axis]: Peak Dental Services, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     57  
Fair value, end of period 57   57  
Investment, Identifier [Axis]: Peak Dental Services, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     511  
Fair value, end of period 510   510  
Investment, Identifier [Axis]: Peak Dental Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     132  
Fair value, end of period 132   132  
Investment, Identifier [Axis]: Peak Dental Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     570  
Fair value, end of period 570   570  
Investment, Identifier [Axis]: Peak Investment Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Investment, Identifier [Axis]: Peak Investment Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     157  
Fair value, end of period 273   273  
Investment, Identifier [Axis]: Peak Investment Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,178  
Fair value, end of period 1,264   1,264  
Investment, Identifier [Axis]: Peninsula MMGY Corporation, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[46]     (69)  
Fair value, end of period [6],[47] (44)   (44)  
Investment, Identifier [Axis]: Peninsula MMGY Corporation, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,064  
Investment, Identifier [Axis]: Peninsula MMGY Corporation, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 9,328   9,328  
Investment, Identifier [Axis]: Peninsula MMGY Corporation, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 12,041   12,041  
Investment, Identifier [Axis]: PharmaForceIQ INC., First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (35)  
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: PharmaForceIQ INC., First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,446  
Fair value, end of period 13,383   13,383  
Investment, Identifier [Axis]: Pink Lily Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Fair value, end of period 4   4  
Investment, Identifier [Axis]: Pink Lily Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,207  
Fair value, end of period 813   813  
Investment, Identifier [Axis]: Polaris Labs Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (37)  
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: Polaris Labs Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,329  
Fair value, end of period 6,299   6,299  
Investment, Identifier [Axis]: Polycorp Ltd, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (98)  
Fair value, end of period 8,145   8,145  
Investment, Identifier [Axis]: Polycorp Ltd, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (58)  
Fair value, end of period [6] (44)   (44)  
Investment, Identifier [Axis]: Polycorp Ltd, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,759  
Investment, Identifier [Axis]: Polycorp Ltd, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,705   17,705  
Investment, Identifier [Axis]: Polycorp Ltd, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,287   5,287  
Investment, Identifier [Axis]: Precision Point Metrics, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (36)   (36)  
Investment, Identifier [Axis]: Precision Point Metrics, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (25)   (25)  
Investment, Identifier [Axis]: Precision Point Metrics, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 8,034   8,034  
Investment, Identifier [Axis]: Premier Early Childhood Education Partners LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,755  
Fair value, end of period 3,684   3,684  
Investment, Identifier [Axis]: Premier Early Childhood Education Partners LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,651  
Fair value, end of period 10,736   10,736  
Investment, Identifier [Axis]: Premier Early Childhood Education Partners LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 8,912   8,912  
Investment, Identifier [Axis]: Premier Early Childhood Education Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,359  
Fair value, end of period 815   815  
Investment, Identifier [Axis]: Premier Early Childhood Education Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,106  
Fair value, end of period 8,091   8,091  
Investment, Identifier [Axis]: Premier Produce One, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (20)   (20)  
Investment, Identifier [Axis]: Premier Produce One, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (29)   (29)  
Investment, Identifier [Axis]: Premier Produce One, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,599   5,599  
Investment, Identifier [Axis]: Purpose Home Health Acquisition, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,982  
Fair value, end of period 955   955  
Investment, Identifier [Axis]: Purpose Home Health Acquisition, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,679  
Fair value, end of period 7,956   7,956  
Investment, Identifier [Axis]: Purpose Home Health Acquisition, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (113)  
Fair value, end of period 6,658   6,658  
Investment, Identifier [Axis]: Purpose Home Health Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (24)  
Fair value, end of period [6] (16)   (16)  
Investment, Identifier [Axis]: Purpose Home Health Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,291  
Fair value, end of period 17,237   17,237  
Investment, Identifier [Axis]: Qin's Buffalo, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,369  
Fair value, end of period 74   74  
Investment, Identifier [Axis]: Qin's Buffalo, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     74  
Fair value, end of period 3,371   3,371  
Investment, Identifier [Axis]: Qin's Buffalo, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period 37   37  
Investment, Identifier [Axis]: Qin's Buffalo, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     520  
Fair value, end of period 518   518  
Investment, Identifier [Axis]: Quality Liaison Services of North America, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (26)  
Fair value, end of period 697   697  
Investment, Identifier [Axis]: Quality Liaison Services of North America, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,358  
Fair value, end of period 12,077   12,077  
Investment, Identifier [Axis]: RKD Group, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,042  
Investment, Identifier [Axis]: RKD Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (39)  
Investment, Identifier [Axis]: RKD Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     32,736  
Investment, Identifier [Axis]: RMS Health Care Management, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,352  
Investment, Identifier [Axis]: RMS Health Care Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     602  
Investment, Identifier [Axis]: RMS Health Care Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,216  
Investment, Identifier [Axis]: RQM Buyer, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     79  
Fair value, end of period 69   69  
Investment, Identifier [Axis]: RQM Buyer, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     119  
Fair value, end of period 104   104  
Investment, Identifier [Axis]: RQM Buyer, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,639  
Fair value, end of period 1,429   1,429  
Investment, Identifier [Axis]: RTP Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     22  
Fair value, end of period 32   32  
Investment, Identifier [Axis]: RTP Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,642  
Fair value, end of period 2,321   2,321  
Investment, Identifier [Axis]: Raneys, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,774  
Fair value, end of period 4,759   4,759  
Investment, Identifier [Axis]: Raneys, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (25)  
Fair value, end of period [6] (16)   (16)  
Investment, Identifier [Axis]: Raneys, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,285  
Fair value, end of period 13,241   13,241  
Investment, Identifier [Axis]: Rapid Fire Safety and Security, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,275   3,275  
Investment, Identifier [Axis]: Rapid Fire Safety and Security, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,558   1,558  
Investment, Identifier [Axis]: Rapid Fire Safety and Security, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,907   3,907  
Investment, Identifier [Axis]: Redwood Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (119)   (119)  
Investment, Identifier [Axis]: Redwood Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: Redwood Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 8,916   8,916  
Investment, Identifier [Axis]: Reliable Medical Supply LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     140  
Investment, Identifier [Axis]: Reliable Medical Supply LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,997  
Fair value, end of period 2,275   2,275  
Investment, Identifier [Axis]: Reliable Medical Supply LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,267  
Fair value, end of period 20,851   20,851  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,685  
Fair value, end of period 1,959   1,959  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,972  
Fair value, end of period 5,658   5,658  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,695  
Fair value, end of period 2,201   2,201  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured delayed draw term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,682  
Fair value, end of period 5,648   5,648  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,158  
Fair value, end of period 2,609   2,609  
Investment, Identifier [Axis]: Renovation Systems, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     32,371  
Fair value, end of period 32,158   32,158  
Investment, Identifier [Axis]: Revival Animal Health, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     77  
Investment, Identifier [Axis]: Revival Animal Health, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,271  
Investment, Identifier [Axis]: Rose Paving, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     981  
Fair value, end of period 3,609   3,609  
Investment, Identifier [Axis]: Rose Paving, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,260  
Fair value, end of period 7,523   7,523  
Investment, Identifier [Axis]: Rose Paving, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,996  
Fair value, end of period 16,923   16,923  
Investment, Identifier [Axis]: Rose Paving, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,759  
Fair value, end of period 1,752   1,752  
Investment, Identifier [Axis]: Rose Paving, LLC, First lien senior secured term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12,961  
Fair value, end of period 12,907   12,907  
Investment, Identifier [Axis]: SAMGI Buyer, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: SAMGI Buyer, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     391  
Fair value, end of period 388   388  
Investment, Identifier [Axis]: SCA Buyer, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     272  
Fair value, end of period 252   252  
Investment, Identifier [Axis]: SCA Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     131  
Fair value, end of period 122   122  
Investment, Identifier [Axis]: SCA Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,513  
Investment, Identifier [Axis]: SCA Buyer, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 2,575   2,575  
Investment, Identifier [Axis]: SCA Buyer, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 684   684  
Investment, Identifier [Axis]: SCP Beverage Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     37  
Fair value, end of period 37   37  
Investment, Identifier [Axis]: SCP Beverage Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,046  
Fair value, end of period 7,008   7,008  
Investment, Identifier [Axis]: SCP Cold Chain Packaging Buyer Corp, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (27)   (27)  
Investment, Identifier [Axis]: SCP Cold Chain Packaging Buyer Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: SCP Cold Chain Packaging Buyer Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 18,968   18,968  
Investment, Identifier [Axis]: SCP ENT and Allergy Services, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     154  
Fair value, end of period 154   154  
Investment, Identifier [Axis]: SCP ENT and Allergy Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     202  
Fair value, end of period 191   191  
Investment, Identifier [Axis]: SCP ENT and Allergy Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,694  
Investment, Identifier [Axis]: SCP ENT and Allergy Services, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 2,695   2,695  
Investment, Identifier [Axis]: SCP ENT and Allergy Services, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 921   921  
Investment, Identifier [Axis]: SCP OMS Services, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,506   1,506  
Investment, Identifier [Axis]: SCP OMS Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (31)   (31)  
Investment, Identifier [Axis]: SCP OMS Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,600   5,600  
Investment, Identifier [Axis]: SENS Intermediate Holdings LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (16)   (16)  
Investment, Identifier [Axis]: SENS Intermediate Holdings LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: SENS Intermediate Holdings LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 9,663   9,663  
Investment, Identifier [Axis]: SIMKO Merger Sub LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     179  
Investment, Identifier [Axis]: SIMKO Merger Sub LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,867  
Investment, Identifier [Axis]: SIMKO Merger Sub LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     26  
Investment, Identifier [Axis]: SIMKO Merger Sub LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     636  
Investment, Identifier [Axis]: SPG Holdco, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,214   1,214  
Investment, Identifier [Axis]: SPG Holdco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (38)  
Fair value, end of period 389   389  
Investment, Identifier [Axis]: SPG Holdco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,379  
Fair value, end of period 10,374   10,374  
Investment, Identifier [Axis]: Sage Dental Management, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,497  
Fair value, end of period 5,460   5,460  
Investment, Identifier [Axis]: Sage Dental Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,016  
Fair value, end of period 5,141   5,141  
Investment, Identifier [Axis]: Sage Dental Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     57,984  
Fair value, end of period 57,615   57,615  
Investment, Identifier [Axis]: Shasta Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     512  
Fair value, end of period [6] (48)   (48)  
Investment, Identifier [Axis]: Shasta Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     20,047  
Fair value, end of period 20,009   20,009  
Investment, Identifier [Axis]: ShiftKey, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (2)  
Fair value, end of period [6] (3)   (3)  
Investment, Identifier [Axis]: ShiftKey, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,587  
Fair value, end of period 3,376   3,376  
Investment, Identifier [Axis]: Signature Dental Partners LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     174  
Fair value, end of period 173   173  
Investment, Identifier [Axis]: Signature Dental Partners LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,460  
Fair value, end of period 12,891   12,891  
Investment, Identifier [Axis]: Signature Dental Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13  
Fair value, end of period 12   12  
Investment, Identifier [Axis]: Signature Dental Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,216  
Fair value, end of period 4,202   4,202  
Investment, Identifier [Axis]: Signature MD, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,921  
Fair value, end of period 4,694   4,694  
Investment, Identifier [Axis]: Signature MD, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (31)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: Signature MD, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     18,179  
Fair value, end of period 18,089   18,089  
Investment, Identifier [Axis]: Silver Falls MSO, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     218  
Fair value, end of period 233   233  
Investment, Identifier [Axis]: Silver Falls MSO, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,299  
Fair value, end of period 1,330   1,330  
Investment, Identifier [Axis]: SimiTree Acquisition, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     868  
Fair value, end of period 881   881  
Investment, Identifier [Axis]: SimiTree Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     46  
Fair value, end of period 48   48  
Investment, Identifier [Axis]: SimiTree Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,207  
Fair value, end of period 1,226   1,226  
Investment, Identifier [Axis]: Simko Merger Sub LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 178   178  
Investment, Identifier [Axis]: Simko Merger Sub LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 3,058   3,058  
Investment, Identifier [Axis]: Simko Merger Sub LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 26   26  
Investment, Identifier [Axis]: Simko Merger Sub LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 633   633  
Investment, Identifier [Axis]: Sixarp, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (17)   (17)  
Investment, Identifier [Axis]: Sixarp, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,644  
Fair value, end of period 426   426  
Investment, Identifier [Axis]: Sixarp, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,199  
Fair value, end of period 20,254   20,254  
Investment, Identifier [Axis]: Southeast Primary Care Partners, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     509  
Fair value, end of period 507   507  
Investment, Identifier [Axis]: Southeast Primary Care Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     74  
Fair value, end of period 225   225  
Investment, Identifier [Axis]: Southeast Primary Care Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     839  
Fair value, end of period 836   836  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     186  
Fair value, end of period 76   76  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,150  
Fair value, end of period 110   110  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (28)  
Fair value, end of period 7,123   7,123  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured delayed draw term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 2,446   2,446  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     68  
Fair value, end of period 27   27  
Investment, Identifier [Axis]: Southern Orthodontic Partners Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,003  
Fair value, end of period 2,998   2,998  
Investment, Identifier [Axis]: Southern Sports Medicine Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     30  
Fair value, end of period 32   32  
Investment, Identifier [Axis]: Southern Sports Medicine Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     662  
Fair value, end of period 701   701  
Investment, Identifier [Axis]: Spa Medicca, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (108)   (108)  
Investment, Identifier [Axis]: Spa Medicca, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: Spa Medicca, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,737   4,737  
Investment, Identifier [Axis]: Spear Education Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (69)  
Fair value, end of period 1,111   1,111  
Investment, Identifier [Axis]: Spear Education Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     46,938  
Fair value, end of period 46,651   46,651  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     62  
Fair value, end of period 254   254  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     224  
Fair value, end of period 18   18  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured delayed draw term loan 3        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 40   40  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured delayed draw term loan 4        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 128   128  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     44  
Fair value, end of period [6] (15)   (15)  
Investment, Identifier [Axis]: Spectrum Solutions, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     307  
Fair value, end of period 192   192  
Investment, Identifier [Axis]: Star Dental Partners LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,937  
Fair value, end of period 10,794   10,794  
Investment, Identifier [Axis]: Star Dental Partners LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (204)  
Fair value, end of period 2,717   2,717  
Investment, Identifier [Axis]: Star Dental Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (24)  
Fair value, end of period [6] (18)   (18)  
Investment, Identifier [Axis]: Star Dental Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     14,971  
Fair value, end of period 14,924   14,924  
Investment, Identifier [Axis]: Starwest Botanicals Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     58  
Fair value, end of period 82   82  
Investment, Identifier [Axis]: Starwest Botanicals Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     661  
Fair value, end of period 665   665  
Investment, Identifier [Axis]: Stax Holding Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7],[48]     0  
Investment, Identifier [Axis]: Stax Holding Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     664  
Investment, Identifier [Axis]: Steel City Wash, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     139  
Investment, Identifier [Axis]: Steel City Wash, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     26  
Investment, Identifier [Axis]: Steel City Wash, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,533  
Investment, Identifier [Axis]: Storm Smart Buyer LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     104  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Storm Smart Buyer LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     884  
Fair value, end of period 876   876  
Investment, Identifier [Axis]: Sun Orchard, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (87)  
Fair value, end of period 886   886  
Investment, Identifier [Axis]: Sun Orchard, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (77)  
Fair value, end of period [6] (63)   (63)  
Investment, Identifier [Axis]: Sun Orchard, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     26,006  
Fair value, end of period 25,878   25,878  
Investment, Identifier [Axis]: Superior Insurance Partners LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,885  
Fair value, end of period 8,912   8,912  
Investment, Identifier [Axis]: Superior Insurance Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (26)  
Fair value, end of period [6] (20)   (20)  
Investment, Identifier [Axis]: Superior Insurance Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,169  
Fair value, end of period 9,136   9,136  
Investment, Identifier [Axis]: Superscapes Holdco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 965   965  
Investment, Identifier [Axis]: Superscapes Holdco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 17,647   17,647  
Investment, Identifier [Axis]: Surplus Solutions, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (70)  
Fair value, end of period 3,198   3,198  
Investment, Identifier [Axis]: Surplus Solutions, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     327  
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: Surplus Solutions, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16,037  
Fair value, end of period 17,038   17,038  
Investment, Identifier [Axis]: TCG Services, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (53)   (53)  
Investment, Identifier [Axis]: TCG Services, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: TCG Services, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7,321   7,321  
Investment, Identifier [Axis]: THE CHEMPETITIVE GROUP, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,306  
Investment, Identifier [Axis]: THE CHEMPETITIVE GROUP, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (53)  
Investment, Identifier [Axis]: THE CHEMPETITIVE GROUP, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,448  
Investment, Identifier [Axis]: TSR Concrete Coatings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     970  
Fair value, end of period [6] (17)   (17)  
Investment, Identifier [Axis]: TSR Concrete Coatings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,033  
Fair value, end of period 6,520   6,520  
Investment, Identifier [Axis]: Teel Plastics, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: Teel Plastics, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,750  
Fair value, end of period 31,425   31,425  
Investment, Identifier [Axis]: The Channel Company, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     16  
Fair value, end of period 24   24  
Investment, Identifier [Axis]: The Channel Company, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,304  
Fair value, end of period 2,340   2,340  
Investment, Identifier [Axis]: The Chempetitive Group, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,328   1,328  
Investment, Identifier [Axis]: The Chempetitive Group, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 297   297  
Investment, Identifier [Axis]: The Chempetitive Group, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 13,380   13,380  
Investment, Identifier [Axis]: Therapy2000 Acquisition, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (32)   (32)  
Investment, Identifier [Axis]: Therapy2000 Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 574   574  
Investment, Identifier [Axis]: Therapy2000 Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 9,946   9,946  
Investment, Identifier [Axis]: Third Holdco, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (45)   (45)  
Investment, Identifier [Axis]: Third Holdco, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (75)   (75)  
Investment, Identifier [Axis]: Third Holdco, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 24,989   24,989  
Investment, Identifier [Axis]: Trademark Global, LLC, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     48  
Fair value, end of period 21   21  
Investment, Identifier [Axis]: Trademark Global, LLC, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     12  
Fair value, end of period 11   11  
Investment, Identifier [Axis]: Trademark Global, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,285  
Fair value, end of period 835   835  
Investment, Identifier [Axis]: Transitions Intermediate Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (8)  
Fair value, end of period [6] (5)   (5)  
Investment, Identifier [Axis]: Transitions Intermediate Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (13)  
Fair value, end of period [6] (8)   (8)  
Investment, Identifier [Axis]: Transitions Intermediate Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,238  
Fair value, end of period 8,567   8,567  
Investment, Identifier [Axis]: Treat Planet Acquisition, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (34)  
Fair value, end of period [6] (16)   (16)  
Investment, Identifier [Axis]: Treat Planet Acquisition, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,015  
Investment, Identifier [Axis]: Treat Planet Acquisition, LLC, First lien senior secured term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 8,238   8,238  
Investment, Identifier [Axis]: Treat Planet Acquisition, LLC, First lien senior secured term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,476   5,476  
Investment, Identifier [Axis]: Triad Technologies, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (3)  
Fair value, end of period [6] (1)   (1)  
Investment, Identifier [Axis]: Triad Technologies, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,180  
Fair value, end of period 1,131   1,131  
Investment, Identifier [Axis]: TruBlue LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (35)  
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: TruBlue LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (21)  
Fair value, end of period [6] (17)   (17)  
Investment, Identifier [Axis]: TruBlue LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,092  
Fair value, end of period 5,067   5,067  
Investment, Identifier [Axis]: TruSource Foods LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (49)   (49)  
Investment, Identifier [Axis]: TruSource Foods LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (28)   (28)  
Investment, Identifier [Axis]: TruSource Foods LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 5,206   5,206  
Investment, Identifier [Axis]: Twin Brook Equity Holdings, LLC        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period 91,853 69,894 80,638 54,697
Gross Additions 6,031 6,514 13,806 20,903
Gross Reductions (1,865) (650) (3,949) (964)
Net Realized Gain (Loss) 466 514 1,180 549
Net Change in Unrealized Appreciation (Depreciation) 168 1,790 4,978 2,877
Fair value, end of period 96,653 78,062 96,653 78,062
Dividend, Interest, PIK and Other Income 0 0 0 0
Investment, Identifier [Axis]: Twin Brook Equity Holdings, LLC , Equity interest, Affiliated        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [49],[50],[51] 96,653   96,653  
Investment, Identifier [Axis]: Twin Brook Equity Holdings, LLC, Equity interest, Affiliated        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [52],[53],[54]     80,638  
Investment, Identifier [Axis]: Twin Brook Segregated Equity Holdings, LLC        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period 15 19 16 17
Gross Additions 0 0 0 0
Gross Reductions 0 0 0 0
Net Realized Gain (Loss) 0 0 0 0
Net Change in Unrealized Appreciation (Depreciation) 0 0 (1) 2
Fair value, end of period 15 19 15 19
Dividend, Interest, PIK and Other Income 0 $ 0 0 $ 0
Investment, Identifier [Axis]: Twin Brook Segregated Equity Holdings, LLC, Equity interest, Affiliated        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [52],[53],[54]     16  
Fair value, end of period [49],[50],[51] 15   15  
Investment, Identifier [Axis]: U.S. Urology Partners, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (12)  
Investment, Identifier [Axis]: U.S. Urology Partners, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,497  
Investment, Identifier [Axis]: US Anchors Group Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (55)  
Fair value, end of period 390   390  
Investment, Identifier [Axis]: US Anchors Group Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,274  
Fair value, end of period 20,642   20,642  
Investment, Identifier [Axis]: US Foot and Ankle Specialists, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,932  
Fair value, end of period 13,871   13,871  
Investment, Identifier [Axis]: US Foot and Ankle Specialists, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (23)  
Fair value, end of period [6] (13)   (13)  
Investment, Identifier [Axis]: US Foot and Ankle Specialists, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,283  
Fair value, end of period 19,207   19,207  
Investment, Identifier [Axis]: USSC Holding Corp, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,984  
Fair value, end of period 9,929   9,929  
Investment, Identifier [Axis]: USSC Holding Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (103)  
Fair value, end of period 3,141   3,141  
Investment, Identifier [Axis]: USSC Holding Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     34,281  
Fair value, end of period 34,068   34,068  
Investment, Identifier [Axis]: United Land Services Opco Parent, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,373  
Investment, Identifier [Axis]: United Land Services Opco Parent, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 1,220   1,220  
Investment, Identifier [Axis]: United Land Services Opco Parent, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 245   245  
Investment, Identifier [Axis]: United Land Services Opco Parent, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [55]     35  
Fair value, end of period [6],[56] (1)   (1)  
Investment, Identifier [Axis]: United Land Services Opco Parent, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     349  
Fair value, end of period 348   348  
Investment, Identifier [Axis]: Universal Pure, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     39  
Fair value, end of period 361   361  
Investment, Identifier [Axis]: Universal Pure, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [57]     5,237  
Fair value, end of period [58] 4,598   4,598  
Investment, Identifier [Axis]: Universal Pure, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     17,167  
Fair value, end of period 17,291   17,291  
Investment, Identifier [Axis]: Value Added Distributors, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (57)  
Fair value, end of period [6] (43)   (43)  
Investment, Identifier [Axis]: Value Added Distributors, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,098  
Fair value, end of period 11,048   11,048  
Investment, Identifier [Axis]: Vanguard Packaging, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     571  
Fair value, end of period 1,159   1,159  
Investment, Identifier [Axis]: Vanguard Packaging, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     10,143  
Fair value, end of period 10,055   10,055  
Investment, Identifier [Axis]: Varsity DuvaSawko Operating Corp, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     63  
Investment, Identifier [Axis]: Varsity DuvaSawko Operating Corp, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,669  
Fair value, end of period [6],[59] (13)   (13)  
Investment, Identifier [Axis]: Varsity DuvaSawko Operating Corp, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     58,150  
Fair value, end of period 44,831   44,831  
Investment, Identifier [Axis]: Varsity Rejuvenate Management, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,158  
Fair value, end of period 3,143   3,143  
Investment, Identifier [Axis]: Varsity Rejuvenate Management, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (23)  
Fair value, end of period [6] (21)   (21)  
Investment, Identifier [Axis]: Varsity Rejuvenate Management, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,847  
Fair value, end of period 5,811   5,811  
Investment, Identifier [Axis]: Vehicle Accessories, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (9)  
Investment, Identifier [Axis]: Vehicle Accessories, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     11,120  
Investment, Identifier [Axis]: VersiCare Management LLC , First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 7,656   7,656  
Investment, Identifier [Axis]: VersiCare Management LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (89)  
Fair value, end of period [6] (69)   (69)  
Investment, Identifier [Axis]: VersiCare Management LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (30)  
Fair value, end of period 163   163  
Investment, Identifier [Axis]: VersiCare Management LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     7,694  
Investment, Identifier [Axis]: VetEvolve Holdings, LLC, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     5,636  
Investment, Identifier [Axis]: VetEvolve Holdings, LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 11,377   11,377  
Investment, Identifier [Axis]: VetEvolve Holdings, LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 4,283   4,283  
Investment, Identifier [Axis]: VetEvolve Holdings, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (59)  
Fair value, end of period [6] (30)   (30)  
Investment, Identifier [Axis]: VetEvolve Holdings, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,934  
Fair value, end of period 11,504   11,504  
Investment, Identifier [Axis]: Vintage Parts, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (15)   (15)  
Investment, Identifier [Axis]: Vintage Parts, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 16,012   16,012  
Investment, Identifier [Axis]: Vital Geriatrics Group Buyer, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period [6] (35)   (35)  
Investment, Identifier [Axis]: Vital Geriatrics Group Buyer, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 10,436   10,436  
Investment, Identifier [Axis]: WCI Volt Purchaser, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (25)  
Fair value, end of period [6] (20)   (20)  
Investment, Identifier [Axis]: WCI Volt Purchaser, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     8,716  
Fair value, end of period 7,666   7,666  
Investment, Identifier [Axis]: WTWH Buyer, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (28)  
Fair value, end of period [6] (22)   (22)  
Investment, Identifier [Axis]: WTWH Buyer, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     13,900  
Fair value, end of period 13,843   13,843  
Investment, Identifier [Axis]: Western Veterinary Partners LLC, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     492  
Fair value, end of period 489   489  
Investment, Identifier [Axis]: Western Veterinary Partners LLC, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     3,250  
Fair value, end of period 24,075   24,075  
Investment, Identifier [Axis]: Western Veterinary Partners LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     0  
Fair value, end of period [6] 0   0  
Investment, Identifier [Axis]: Western Veterinary Partners LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,286  
Fair value, end of period 9,244   9,244  
Investment, Identifier [Axis]: Westminster Cracker Company, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     139  
Fair value, end of period 222   222  
Investment, Identifier [Axis]: Westminster Cracker Company, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     9,496  
Fair value, end of period 9,385   9,385  
Investment, Identifier [Axis]: White Label Communications,LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (25)  
Investment, Identifier [Axis]: White Label Communications,LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     4,607  
Investment, Identifier [Axis]: Wolf Gordon Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period [7]     (61)  
Fair value, end of period [6] (59)   (59)  
Investment, Identifier [Axis]: Wolf Gordon Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     19,998  
Fair value, end of period 26,284   26,284  
Investment, Identifier [Axis]: Yard-Nique, Inc, First lien senior secured delayed draw term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     2,549  
Investment, Identifier [Axis]: Yard-Nique, Inc, First lien senior secured delayed draw term loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 2,537   2,537  
Investment, Identifier [Axis]: Yard-Nique, Inc, First lien senior secured delayed draw term loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 6,779   6,779  
Investment, Identifier [Axis]: Yard-Nique, Inc, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,126  
Fair value, end of period 1,217   1,217  
Investment, Identifier [Axis]: Yard-Nique, Inc, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,949  
Fair value, end of period 6,909   6,909  
Investment, Identifier [Axis]: Zipline Logistics, LLC, First lien senior secured revolving loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, end of period 801   801  
Investment, Identifier [Axis]: Zipline Logistics, LLC, First lien senior secured revolving loan 1        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     1,055  
Investment, Identifier [Axis]: Zipline Logistics, LLC, First lien senior secured revolving loan 2        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6  
Investment, Identifier [Axis]: Zipline Logistics, LLC, First lien senior secured term loan        
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]        
Fair value, beginning of period     6,610  
Fair value, end of period $ 4,855   $ 4,855  
[1] Unless otherwise indicated, all investments represent co-investments made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. Refer to Note 6 for further information.
[2] Unless otherwise indicated, all investments are considered Level 3 investments.
[3] Unless otherwise indicated, all investments represent co-investments made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. Refer to Note 6 for further information.
[4] Unless otherwise indicated, all investments are considered Level 3 investments.
[5] Principal balance includes reserve for letter of credit of $147,760 on which the borrower pays 0.00%.
[6] Represents revolvers and delayed draw term loans where the entire balance is unfunded as of September 30, 2025. The negative fair value is a result of the commitment being valued below par. Refer to Note 8 for further information.
[7] Represents revolvers and delayed draw term loans where the entire balance is unfunded as of December 31, 2024. The negative fair value is a result of the commitment being valued below par. Refer to Note 8 for further information.
[8] Principal balance includes reserve for letter of credit of $50,775 on which the borrower pays 6.00%.
[9] Principal balance includes reserve for letter of credit of $50,775 on which the borrower pays 5.00%.
[10] Principal balance includes reserve for letter of credit of $6,240 on which the borrower pays 5.50%.
[11] Principal balance includes reserve for letter of credit of $6,240 on which the borrower pays 5.50%.
[12] Principal balance includes reserve for letter of credit of $429,910 on which the borrower pays 5.50%.
[13] Principal balance includes reserve for letter of credit of $3,517 on which the borrower pays 6.75%.
[14] Principal balance includes reserve for letter of credit of $3,517 on which the borrower pays 6.75%.
[15] Principal balance includes reserve for letter of credit of $16,960 on which the borrower pays 5.75%.
[16] Principal balance includes reserve for letter of credit of $16,960 on which the borrower pays 4.75%.
[17] Principal balance includes reserve for letter of credit of $5,410 on which the borrower pays 6.00%.
[18] Principal balance includes reserve for letter of credit of $505,140 on which the borrower pays 5.25%.
[19] Principal balance includes reserve for letter of credit of $881,210 on which the borrower pays 5.50%.
[20] Represents investments that the Company has determined are not “qualifying assets” under Section 55(a) of the 1940 Act. Under the 1940 Act, we may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. The status of these assets under the 1940 Act is subject to change. The Company monitors the status of these assets on an ongoing basis. As of December 31, 2024, non-qualifying assets represented approximately 4.39% of the total assets of the Company.
[21] Represents investments that the Company has determined are not “qualifying assets” under Section 55(a) of the 1940 Act. Under the 1940 Act, we may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. The status of these assets under the 1940 Act is subject to change. The Company monitors the status of these assets on an ongoing basis. As of September 30, 2025, non-qualifying assets represented approximately 4.41% of the total assets of the Company.
[22] Indicates loan was on non-accrual status as of December 31, 2024.
[23] Indicates Loan was on non-accrual status as of September 30, 2025.
[24] Principal balance includes reserve for letter of credit of $802,340 on which the borrower pays 5.00%.
[25] Principal balance includes reserve for letter of credit of $1,875 on which the borrower pays 6.00%.
[26] Principal balance includes reserve for letter of credit of $1,875 on which the borrower pays 6.00%.
[27] Principal balance includes reserve for letter of credit of $238,050 on which the borrower pays 5.25%.
[28] Principal balance includes reserve for letter of credit of $238,050 on which the borrower pays 5.25%.
[29] Principal balance includes reserve for letter of credit of $3,659 on which the borrower pays 5.75%.
[30] Principal balance includes reserve for letter of credit of $3,659 on which the borrower pays 5.75%.
[31] Principal balance includes reserve for letter of credit of $168,934 on which the borrower pays 6.00%.
[32] Principal balance includes reserve for letter of credit of $168,934 on which the borrower pays 6.00%.
[33] Principal balance includes reserve for letter of credit of $175,771 on which the borrower pays 5.25%.
[34] Principal balance includes reserve for letter of credit of $175,771 on which the borrower pays 5.25%.
[35] Principal balance includes reserve for letter of credit of $277,717 on which the borrower pays 6.25%.
[36] Principal balance includes reserve for letter of credit of $1,233,299 on which the borrower pays 6.00%.
[37] Principal balance includes reserve for letter of credit of $45,563 on which the borrower pays 5.50%.
[38] Principal balance includes reserve for letter of credit of $7,896 on which the borrower pays 6.25%.
[39] Principal balance includes reserve for letter of credit of $7,896 on which the borrower pays 6.50%.
[40] Principal balance includes reserve for letter of credit of $10,663 on which the borrower pays 5.50%.
[41] Principal balance includes reserve for letter of credit of $10,663 on which the borrower pays 5.50%.
[42] Principal balance includes reserve for letter of credit of $5,240 on which the borrower pays 6.50%.
[43] Principal balance includes reserve for letter of credit of $9,170 on which the borrower pays 6.00%.
[44] Principal balance includes reserve for letter of credit of $5,625 on which the borrower pays 6.00%.
[45] Principal balance includes reserve for letter of credit of $5,625 on which the borrower pays 6.00%.
[46] Principal balance includes reserve for letter of credit of $49,807 on which the borrower pays 5.00%.
[47] Principal balance includes reserve for letter of credit of $62,209 on which the borrower pays 5.50%.
[48] Principal balance includes reserve for letter of credit of $1,951 on which the borrower pays 5.00%.
[49] As a practical expedient, the Company uses net asset value to determine the fair value of this investment. Consistent with FASB guidance under ASC 820, these investments are excluded from the hierarchical levels. This represents an investment in an affiliated fund.
[50] Non-income producing investment.
[51] Securities exempt from registration under the Securities Act of 1933 (the “Securities Act”), and may be deemed to be “restricted securities” under the Securities Act. As of September 30, 2025, the aggregate fair value of these securities is $96,668 or 4.54% of the Company's net assets.
[52] As a practical expedient, the Company uses net asset value to determine the fair value of this investment. Consistent with FASB guidance under ASC 820, these investments are excluded from the hierarchical levels. This represents an investment in an affiliated fund.
[53] Non-income producing investment.
[54] Securities exempt from registration under the Securities Act of 1933 (the “Securities Act”), and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2024, the aggregate fair value of these securities is $80,654 or 5.23% of the Company's net assets. The “restricted securities,” Twin Brook Equity Holdings, LLC and Twin Brook Segregated Equity Holdings, LLC, were purchased on May 19, 2022 and July 28, 2023, respectively.
[55] Principal balance includes reserve for letter of credit of $15,973 on which the borrower pays 6.00%.
[56] Principal balance includes reserve for letter of credit of $30,948 on which the borrower pays 6.00%.
[57] Principal balance includes reserve for letter of credit of $163,717 on which the borrower pays 6.00%.
[58] Principal balance includes reserve for letter of credit of $163,717 on which the borrower pays 6.25%.
[59] Principal balance includes reserve for letter of credit of $532,875 on which the borrower pays 4.75%.