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Investments - Individual Investments in the Portfolios of SLP IV (Details)
€ in Thousands, £ in Thousands, $ in Thousands
Sep. 30, 2025
USD ($)
Sep. 30, 2025
EUR (€)
Sep. 30, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 30, 2020
May 03, 2013
USD ($)
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost $ 3,062,321 [1]     $ 3,101,924 [2]            
Fair Value 2,943,619 [1]     3,091,024 [2]            
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[4],[5]     0 [6],[7],[8]            
Fair Value 0 [3],[4],[5]     0 [6],[7],[8]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,659 [4],[5],[9],[10]     3,659 [7],[8],[11],[12]            
Cost (37) [4],[5],[10]     (37) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.51% [4],[13],[14],[17] 9.51% [4],[13],[14],[17] 9.51% [4],[13],[14],[17] 9.71% [7],[15],[16],[18] 9.71% [7],[15],[16],[18]          
Principal Amount or Par Value $ 22,560 [4],[9],[13],[14]     $ 22,733 [7],[11],[15],[16]            
Cost 22,444 [4],[13],[14]     22,583 [7],[15],[16]            
Fair Value $ 22,560 [4],[13],[14]     $ 22,734 [7],[15],[16]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.51% [4],[5],[17],[19] 9.51% [4],[5],[17],[19] 9.51% [4],[5],[17],[19] 9.71% [7],[8],[18],[20] 9.71% [7],[8],[18],[20]          
Principal Amount or Par Value $ 20,061 [4],[5],[9],[19]     $ 20,218 [7],[8],[11],[20]            
Cost 19,974 [4],[5],[19]     20,104 [7],[8],[20]            
Fair Value $ 20,061 [4],[5],[19]     $ 20,218 [7],[8],[20]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[21] 5.25% [4],[21] 5.25% [4],[21] 5.25% [7],[22] 5.25% [7],[22]          
Interest rate 9.51% [4],[17],[21] 9.51% [4],[17],[21] 9.51% [4],[17],[21] 9.71% [7],[18],[22] 9.71% [7],[18],[22]          
Principal Amount or Par Value $ 9,525 [4],[9],[21]     $ 9,599 [7],[11],[22]            
Cost 9,483 [4],[21]     9,545 [7],[22]            
Fair Value $ 9,525 [4],[21]     $ 9,599 [7],[22]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[21] 5.25% [4],[21] 5.25% [4],[21] 5.25% [7],[22] 5.25% [7],[22]          
Interest rate 9.51% [4],[17],[21] 9.51% [4],[17],[21] 9.51% [4],[17],[21] 9.71% [7],[18],[22] 9.71% [7],[18],[22]          
Principal Amount or Par Value $ 7,319 [4],[9],[21]     $ 7,375 [7],[11],[22]            
Cost 7,282 [4],[21]     7,327 [7],[22]            
Fair Value $ 7,319 [4],[21]     $ 7,375 [7],[22]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [4],[5],[19],[23] 11.50% [4],[5],[19],[23] 11.50% [4],[5],[19],[23] 11.50% [7],[8],[20],[24] 11.50% [7],[8],[20],[24]          
Interest rate 11.50% [4],[5],[17],[19] 11.50% [4],[5],[17],[19] 11.50% [4],[5],[17],[19] 11.50% [7],[8],[18],[20] 11.50% [7],[8],[18],[20]          
Principal Amount or Par Value $ 17,145 [4],[5],[9],[19]     $ 15,733 [7],[8],[11],[20]            
Cost 17,020 [4],[5],[19]     15,598 [7],[8],[20]            
Fair Value $ 16,901 [4],[5],[19]     $ 15,366 [7],[8],[20]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [4],[21],[23] 11.50% [4],[21],[23] 11.50% [4],[21],[23] 11.50% [7],[22],[24] 11.50% [7],[22],[24]          
Interest rate 11.50% [4],[17],[21] 11.50% [4],[17],[21] 11.50% [4],[17],[21] 11.50% [7],[18],[22] 11.50% [7],[18],[22]          
Principal Amount or Par Value $ 6,724 [4],[9],[21]     $ 6,170 [7],[11],[22]            
Cost 6,674 [4],[21]     6,117 [7],[22]            
Fair Value $ 6,628 [4],[21]     $ 6,027 [7],[22]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.50% 5.50%          
Interest rate [7],[8],[12],[18]       9.96% 9.96%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 235            
Cost [7],[8],[12]       233            
Fair Value [7],[8],[12]       228            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.50% 5.50% 5.50%              
Interest rate [4],[5],[10],[17] 9.76% 9.76% 9.76%              
Principal Amount or Par Value [4],[5],[9],[10] $ 1,224                  
Cost [4],[5],[10] 1,212                  
Fair Value [4],[5],[10] 1,102                  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,130 [4],[5],[9],[10],[25]     2,118 [7],[8],[11],[12],[26]            
Cost (11) [4],[5],[10],[25]     (21) [7],[8],[12],[26]            
Fair Value $ (113) [4],[5],[10],[25]     $ (62) [7],[8],[12],[26]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [4],[13],[14],[23] 2.75% [4],[13],[14],[23] 2.75% [4],[13],[14],[23] 2.75% [7],[15],[16],[24] 2.75% [7],[15],[16],[24]          
PIK 3.25% [4],[13],[14],[23] 3.25% [4],[13],[14],[23] 3.25% [4],[13],[14],[23] 3.25% [7],[15],[16],[24] 3.25% [7],[15],[16],[24]          
Interest rate 10.26% [4],[13],[14],[17] 10.26% [4],[13],[14],[17] 10.26% [4],[13],[14],[17] 10.46% [7],[15],[16],[18] 10.46% [7],[15],[16],[18]          
Principal Amount or Par Value $ 22,456 [4],[9],[13],[14]     $ 21,910 [7],[11],[15],[16]            
Cost 22,351 [4],[13],[14]     21,782 [7],[15],[16]            
Fair Value $ 20,210 [4],[13],[14]     $ 21,266 [7],[15],[16]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [4],[5],[19],[23] 2.75% [4],[5],[19],[23] 2.75% [4],[5],[19],[23] 2.75% [7],[8],[20],[24] 2.75% [7],[8],[20],[24]          
PIK 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 3.25% [7],[8],[20],[24] 3.25% [7],[8],[20],[24]          
Interest rate 10.26% [4],[5],[17],[19] 10.26% [4],[5],[17],[19] 10.26% [4],[5],[17],[19] 10.46% [7],[8],[18],[20] 10.46% [7],[8],[18],[20]          
Principal Amount or Par Value $ 4,311 [4],[5],[9],[19]     $ 4,206 [7],[8],[11],[20]            
Cost 4,281 [4],[5],[19]     4,170 [7],[8],[20]            
Fair Value $ 3,880 [4],[5],[19]     $ 4,082 [7],[8],[20]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [4],[5],[19],[23] 2.75% [4],[5],[19],[23] 2.75% [4],[5],[19],[23] 2.75% [7],[8],[20],[24] 2.75% [7],[8],[20],[24]          
PIK 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 3.25% [7],[8],[20],[24] 3.25% [7],[8],[20],[24]          
Interest rate 10.26% [4],[5],[17],[19] 10.26% [4],[5],[17],[19] 10.26% [4],[5],[17],[19] 10.46% [7],[8],[18],[20] 10.46% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,980 [4],[5],[9],[19]     $ 3,884 [7],[8],[11],[20]            
Cost 3,959 [4],[5],[19]     3,858 [7],[8],[20]            
Fair Value $ 3,582 [4],[5],[19]     $ 3,769 [7],[8],[20]            
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.75% [4],[5],[23],[25] 11.75% [4],[5],[23],[25] 11.75% [4],[5],[23],[25] 11.75% [7],[8],[24],[26] 11.75% [7],[8],[24],[26]          
Interest rate 11.75% [4],[5],[17],[25] 11.75% [4],[5],[17],[25] 11.75% [4],[5],[17],[25] 11.75% [7],[8],[18],[26] 11.75% [7],[8],[18],[26]          
Principal Amount or Par Value $ 20,249                  
Cost 20,124 [4],[5],[25]     $ 18,444 [7],[8],[26]            
Fair Value $ 10,125 [4],[5],[25]     $ 16,419 [7],[8],[26]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [7],[8],[20] 4.75% [7],[8],[20]          
Interest rate 8.99% [4],[5],[17],[19] 8.99% [4],[5],[17],[19] 8.99% [4],[5],[17],[19] 9.03% [7],[8],[18],[20] 9.03% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,062 [4],[5],[9],[19]     $ 3,062 [7],[8],[11],[20]            
Cost 3,050 [4],[5],[19]     3,048 [7],[8],[20]            
Fair Value 3,062 [4],[5],[19]     3,062 [7],[8],[20]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,077 [4],[5],[9],[10]     3,077 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Accelya Lux Finco S.a.r.l., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[27] 5.25% 5.25% 5.25%              
Interest rate [5],[17],[27] 9.21% 9.21% 9.21%              
Principal Amount or Par Value [5],[9],[27] $ 9,552                  
Cost [5],[27] 9,361                  
Fair Value [5],[27] $ 9,361                  
Investment, Identifier [Axis]: Acumatica Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 9.06% 9.06% 9.06%              
Principal Amount or Par Value [4],[5],[9],[19] $ 39,188                  
Cost [4],[5],[19] 39,188                  
Fair Value [4],[5],[19] 39,188                  
Investment, Identifier [Axis]: Acumatica Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 9,403                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [4],[5],[19],[23],[27] 3.38% [4],[5],[19],[23],[27] 3.38% [4],[5],[19],[23],[27] 6.25% [7],[8],[20],[28] 6.25% [7],[8],[20],[28]          
PIK [4],[5],[19],[23],[27] 3.38% 3.38% 3.38%              
Interest rate 10.75% [4],[5],[17],[19],[27] 10.75% [4],[5],[17],[19],[27] 10.75% [4],[5],[17],[19],[27] 10.58% [7],[8],[18],[20],[28] 10.58% [7],[8],[18],[20],[28]          
Principal Amount or Par Value $ 4,739 [4],[5],[9],[19],[27]     $ 4,698 [7],[8],[11],[20],[28]            
Cost 4,701 [4],[5],[19],[27]     4,656 [7],[8],[20],[28]            
Fair Value 4,739 [4],[5],[19],[27]     4,698 [7],[8],[20],[28]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,048            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,048                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 667 [4],[5],[9],[10]     667 [7],[8],[11],[12]            
Cost (7) [4],[5],[10]     (7) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.75% 6.75% 6.75%              
Interest rate [4],[5],[17],[19] 11.06% 11.06% 11.06%              
Principal Amount or Par Value [4],[5],[9],[19] $ 8,414                  
Cost [4],[5],[19] 8,324                  
Fair Value [4],[5],[19] 8,309                  
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.75% 6.75%          
Interest rate [7],[8],[18],[20]       11.30% 11.30%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 8,510            
Cost [7],[8],[20]       8,406            
Fair Value [7],[8],[20]       8,404            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[16]       1,348            
Fair Value [7],[16]       1,348            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[8]       1,300            
Fair Value [7],[8]       1,300            
Investment, Identifier [Axis]: Ambrosia Topco LLC, Class A-1 common units 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[14] 1,348                  
Fair Value [4],[14] 590                  
Investment, Identifier [Axis]: Ambrosia Topco LLC, Class A-1 common units 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[5] 1,300                  
Fair Value [4],[5] 569                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,969            
Cost [7],[8],[12]       (10)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,969                  
Cost [4],[5],[10] (10)                  
Fair Value [4],[5],[10] $ (23)                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.62% [4],[5],[17],[19] 9.62% [4],[5],[17],[19] 9.62% [4],[5],[17],[19] 9.75% [7],[15],[16],[18] 9.75% [7],[15],[16],[18]          
Principal Amount or Par Value $ 18,818 [4],[5],[9],[19]     $ 18,964 [7],[11],[15],[16]            
Cost 18,774 [4],[5],[19]     18,908 [7],[15],[16]            
Fair Value $ 18,603 [4],[5],[19]     $ 18,964 [7],[15],[16]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.62% [4],[13],[14],[17] 9.62% [4],[13],[14],[17] 9.62% [4],[13],[14],[17] 9.75% [7],[15],[16],[18] 9.75% [7],[15],[16],[18]          
Principal Amount or Par Value $ 5,237 [4],[9],[13],[14]     $ 5,277 [7],[11],[15],[16]            
Cost 5,223 [4],[13],[14]     5,259 [7],[15],[16]            
Fair Value $ 5,176 [4],[13],[14]     $ 5,277 [7],[15],[16]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.62% [4],[5],[17],[19] 9.62% [4],[5],[17],[19] 9.62% [4],[5],[17],[19] 9.75% [7],[8],[18],[20] 9.75% [7],[8],[18],[20]          
Principal Amount or Par Value $ 688 [4],[5],[9],[19]     $ 693 [7],[8],[11],[20]            
Cost 686 [4],[5],[19]     690 [7],[8],[20]            
Fair Value 680 [4],[5],[19]     693 [7],[8],[20]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 31,406                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [6],[7],[8],[11],[12]       2,652            
Cost [6],[7],[8],[12]       0            
Fair Value [6],[7],[8],[12]       $ 0            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[4],[5],[9],[10] 2,652                  
Cost [3],[4],[5],[10] 0                  
Fair Value [3],[4],[5],[10] $ 0                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.50% [4],[14],[23],[29] 0.50% [4],[14],[23],[29] 0.50% [4],[14],[23],[29] 0.50% [7],[16],[24],[30] 0.50% [7],[16],[24],[30]          
PIK 6.75% [4],[14],[23],[29] 6.75% [4],[14],[23],[29] 6.75% [4],[14],[23],[29] 6.75% [7],[16],[24],[30] 6.75% [7],[16],[24],[30]          
Interest rate 11.63% [4],[14],[17] 11.63% [4],[14],[17] 11.63% [4],[14],[17] 11.90% [7],[16],[18] 11.90% [7],[16],[18]          
Principal Amount or Par Value $ 29,879 [4],[9],[14]     $ 29,879 [7],[11],[16]            
Cost 29,842 [4],[14]     29,843 [7],[16]            
Fair Value $ 17,999 [4],[14]     $ 17,999 [7],[16]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.50% [4],[5],[23],[29] 0.50% [4],[5],[23],[29] 0.50% [4],[5],[23],[29] 0.50% [7],[8],[24],[30] 0.50% [7],[8],[24],[30]          
PIK 14.50% [4],[5],[23],[29] 14.50% [4],[5],[23],[29] 14.50% [4],[5],[23],[29] 14.50% [7],[8],[24],[30] 14.50% [7],[8],[24],[30]          
Interest rate 19.38% [4],[5],[17] 19.38% [4],[5],[17] 19.38% [4],[5],[17] 19.65% [7],[8],[18] 19.65% [7],[8],[18]          
Principal Amount or Par Value $ 1,527 [4],[5],[9]     $ 1,527 [7],[8],[11]            
Cost 1,527 [4],[5]     1,527 [7],[8]            
Fair Value 0 [4],[5]     $ 0 [7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value           $ 17,927 $ 13,479      
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 31,369                  
Fair Value $ 17,999                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 1.00% [4],[5],[23],[29] 1.00% [4],[5],[23],[29] 1.00% [4],[5],[23],[29] 1.00% [7],[8],[24],[30] 1.00% [7],[8],[24],[30]          
Interest rate 5.44% [4],[5],[17] 5.44% [4],[5],[17] 5.44% [4],[5],[17] 5.74% [7],[8],[18] 5.74% [7],[8],[18]          
Principal Amount or Par Value $ 5,230 [4],[5],[9]     $ 5,230 [7],[8],[11]            
Cost 0 [4],[5]     0 [7],[8]            
Fair Value $ 0 [4],[5]     $ 0 [7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value               $ 5,230    
Investment, Identifier [Axis]: Anaplan, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[5],[19] 4.50% [4],[5],[19] 4.50% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 8.70% [4],[5],[17],[19] 8.70% [4],[5],[17],[19] 8.70% [4],[5],[17],[19] 9.58% [7],[8],[18],[20] 9.58% [7],[8],[18],[20]          
Principal Amount or Par Value $ 10,539 [4],[5],[9],[19]     $ 10,618 [7],[8],[11],[20]            
Cost 10,479 [4],[5],[19]     10,548 [7],[8],[20]            
Fair Value 10,539 [4],[5],[19]     10,618 [7],[8],[20]            
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 83 [4],[31]     83 [7],[32]            
Fair Value $ 0 [4],[31]     $ 0 [7],[32]            
Investment, Identifier [Axis]: Associations, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [4],[5],[19] 6.50% [4],[5],[19] 6.50% [4],[5],[19] 6.50% [7],[8],[20] 6.50% [7],[8],[20]          
Interest rate 11.08% [4],[5],[17],[19] 11.08% [4],[5],[17],[19] 11.08% [4],[5],[17],[19] 11.32% [7],[8],[18],[20] 11.32% [7],[8],[18],[20]          
Principal Amount or Par Value $ 49,057 [4],[5],[9],[19]     $ 49,430 [7],[8],[11],[20]            
Cost 49,038 [4],[5],[19]     49,409 [7],[8],[20]            
Fair Value $ 49,057 [4],[5],[19]     $ 49,430 [7],[8],[20]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       6.50% 6.50%          
Interest rate [7],[8],[12],[18]       11.32% 11.32%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 641            
Cost [7],[8],[12]       641            
Fair Value [7],[8],[12]       641            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       3,200            
Cost [7],[8],[12]       (2)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 6.50% 6.50% 6.50%              
Interest rate [4],[5],[10],[17] 11.08% 11.08% 11.08%              
Principal Amount or Par Value [4],[5],[9],[10] $ 1,450                  
Cost [4],[5],[10] 1,449                  
Fair Value [4],[5],[10] 1,450                  
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       6.50% 6.50%          
Interest rate [7],[8],[12],[18]       11.28% 11.28%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 1,539            
Cost [7],[8],[12]       1,538            
Fair Value [7],[8],[12]       1,539            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,380 [4],[5],[9],[10]     1,539 [7],[8],[11],[12]            
Cost (1) [4],[5],[10]     (1) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 3,077                  
Cost [4],[5],[10] (2)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 14.25% [4],[5],[23] 14.25% [4],[5],[23] 14.25% [4],[5],[23] 14.25% [7],[8],[24] 14.25% [7],[8],[24]          
Interest rate 14.25% [4],[5],[17] 14.25% [4],[5],[17] 14.25% [4],[5],[17] 14.25% [7],[8],[18] 14.25% [7],[8],[18]          
Principal Amount or Par Value $ 8,851 [4],[5],[9]     $ 7,959 [7],[8],[11]            
Cost 8,835 [4],[5]     7,942 [7],[8]            
Fair Value $ 9,028 [4],[5]     $ 7,959 [7],[8]            
Investment, Identifier [Axis]: Associations, Inc., Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 14.25% [4],[5],[23] 14.25% [4],[5],[23] 14.25% [4],[5],[23] 14.25% [7],[8],[24] 14.25% [7],[8],[24]          
Interest rate 14.25% [4],[5],[17] 14.25% [4],[5],[17] 14.25% [4],[5],[17] 14.25% [7],[8],[18] 14.25% [7],[8],[18]          
Principal Amount or Par Value $ 3,380 [4],[5],[9]     $ 3,039 [7],[8],[11]            
Cost 3,374 [4],[5]     3,033 [7],[8]            
Fair Value 3,515 [4],[5]     $ 3,039 [7],[8]            
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20],[28]       8.25% 8.25%          
Interest rate [7],[8],[18],[20],[28]       12.72% 12.72%          
Principal Amount or Par Value [7],[8],[11],[20],[28]       $ 34,459            
Cost [7],[8],[20],[28]       34,335            
Fair Value [7],[8],[20],[28]       34,459            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12],[28]       320            
Cost [7],[8],[12],[28]       (5)            
Fair Value [7],[8],[12],[28]       $ 0            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10],[27] 790                  
Cost [4],[5],[10],[27] (6)                  
Fair Value [4],[5],[10],[27] $ 0                  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.33% [4],[13],[14],[17] 9.33% [4],[13],[14],[17] 9.33% [4],[13],[14],[17] 9.63% [7],[8],[18],[20] 9.63% [7],[8],[18],[20]          
Principal Amount or Par Value $ 4,474 [4],[9],[13],[14]     $ 3,445 [7],[8],[11],[20]            
Cost 4,464 [4],[13],[14]     3,405 [7],[8],[20]            
Fair Value $ 4,474 [4],[13],[14]     $ 3,445 [7],[8],[20]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.33% [4],[5],[17],[19] 9.33% [4],[5],[17],[19] 9.33% [4],[5],[17],[19] 9.63% [7],[8],[18],[20] 9.63% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,419 [4],[5],[9],[19]     $ 1,342 [7],[8],[11],[20]            
Cost 3,384 [4],[5],[19]     1,330 [7],[8],[20]            
Fair Value $ 3,419 [4],[5],[19]     $ 1,342 [7],[8],[20]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[17],[19] 9.33% 9.33% 9.33%              
Principal Amount or Par Value [4],[5],[9],[19] $ 1,332                  
Cost [4],[5],[19] 1,322                  
Fair Value [4],[5],[19] $ 1,332                  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 5.75% 5.75% 5.75%              
Interest rate [4],[5],[17],[19] 10.14% 10.14% 10.14%              
Principal Amount or Par Value [4],[5],[9],[19] $ 36,155                  
Cost [4],[5],[19] 35,971                  
Fair Value [4],[5],[19] 35,522                  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.75% 5.75%          
Interest rate [7],[8],[18],[20]       10.94% 10.94%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 21,624            
Cost [7],[8],[20]       21,492            
Fair Value [7],[8],[20]       $ 21,138            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.75% 5.75%          
Interest rate [7],[15],[16],[18]       10.94% 10.94%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 14,624            
Cost [7],[15],[16]       14,534            
Fair Value [7],[15],[16]       $ 14,295            
Investment, Identifier [Axis]: Avalara, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.25% 6.25%          
Interest rate [7],[8],[18],[20]       10.58% 10.58%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 17,198            
Cost [7],[8],[20]       17,045            
Fair Value [7],[8],[20]       17,198            
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,720            
Cost [7],[8],[12]       (21)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[20],[28]       11.75% 11.75%          
Interest rate [8],[18],[20],[28]       11.75% 11.75%          
Cost [8],[20],[28]       $ 13,788            
Fair Value [8],[20],[28]       $ 13,867            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       4.75% 4.75%          
Interest rate [7],[8],[18],[20]       9.11% 9.11%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 13,687            
Cost [7],[8],[20]       13,591            
Fair Value [7],[8],[20]       13,585            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,122 [4],[5],[9],[10]     2,065 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value (11) [4],[5],[10]     (15) [7],[8],[12]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,707 [4],[5],[9],[10]     2,894 [7],[8],[11],[12]            
Cost (26) [4],[5],[10]     (22) [7],[8],[12]            
Fair Value $ (19) [4],[5],[10]     $ (22) [7],[8],[12]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 8.91% 8.91% 8.91%              
Principal Amount or Par Value [4],[5],[9],[19] $ 15,642                  
Cost [4],[5],[19] 15,540                  
Fair Value [4],[5],[19] $ 15,642                  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 4.50% 4.50% 4.50%              
Interest rate [4],[13],[14],[17] 8.66% 8.66% 8.66%              
Principal Amount or Par Value [4],[9],[13],[14] $ 5,782                  
Cost [4],[13],[14] 5,755                  
Fair Value [4],[13],[14] $ 5,753                  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.50% 4.50% 4.50%              
Interest rate [4],[5],[17],[19] 8.66% 8.66% 8.66%              
Principal Amount or Par Value [4],[5],[9],[19] $ 378                  
Cost [4],[5],[19] 376                  
Fair Value [4],[5],[19] $ 376                  
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 7.00% [7],[8],[20],[33] 7.00% [7],[8],[20],[33]          
Interest rate 9.02% [4],[5],[17],[19] 9.02% [4],[5],[17],[19] 9.02% [4],[5],[17],[19] 12.08% [7],[8],[18],[20],[33] 12.08% [7],[8],[18],[20],[33]          
Principal Amount or Par Value $ 3,046 [4],[5],[9],[19]     $ 6,109 [7],[8],[11],[20],[33]            
Cost 3,036 [4],[5],[19]     6,081 [7],[8],[20],[33]            
Fair Value 3,046 [4],[5],[19]     6,109 [7],[8],[20],[33]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 417 [4],[5],[9],[10]     417 [7],[8],[11],[12],[33]            
Cost (4) [4],[5],[10]     (4) [7],[8],[12],[33]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12],[33]            
Investment, Identifier [Axis]: Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[33]       11.00% 11.00%          
Interest rate [7],[8],[18],[33]       11.00% 11.00%          
Cost [7],[8],[33]       $ 3,432            
Fair Value [7],[8],[33]       $ 3,371            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [7],[8],[12] 4.75% [7],[8],[12]          
Interest rate 8.91% [4],[5],[10],[17] 8.91% [4],[5],[10],[17] 8.91% [4],[5],[10],[17] 9.18% [7],[8],[12],[18] 9.18% [7],[8],[12],[18]          
Principal Amount or Par Value $ 464 [4],[5],[9],[10]     $ 467 [7],[8],[11],[12]            
Cost 460 [4],[5],[10]     464 [7],[8],[12]            
Fair Value 464 [4],[5],[10]     467 [7],[8],[12]            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,685 [4],[5],[9],[10]     1,685 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Bonterra LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[17],[19] 9.00% 9.00% 9.00%              
Principal Amount or Par Value [4],[5],[9],[19] $ 15,027                  
Cost [4],[5],[19] 14,997                  
Fair Value [4],[5],[19] $ 14,990                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17] 8.99% 8.99% 8.99%              
Principal Amount or Par Value [4],[5],[9],[10] $ 244                  
Cost [4],[5],[10] 244                  
Fair Value [4],[5],[10] 244                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,384                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] (3)                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,629                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] (4)                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[12],[34]       5.00% 5.00%          
Interest rate [7],[12],[18],[34]       9.36% 9.36%          
Principal Amount or Par Value [7],[11],[12],[34]       $ 1,319            
Cost [7],[12],[34]       1,318            
Fair Value [7],[12],[34]       $ 1,319            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.00% 5.00%          
Interest rate [7],[8],[12],[18]       9.36% 9.36%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 516            
Cost [7],[8],[12]       520            
Fair Value [7],[8],[12]       516            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,594                  
Cost [4],[5],[10] (6)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       376            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,594            
Cost [7],[8],[12]       (6)            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[11],[12],[34]       963            
Cost [7],[12],[34]       (7)            
Fair Value [7],[12],[34]       $ 0            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[35] 5.00% [4],[35] 5.00% [4],[35] 5.00% [7],[34] 5.00% [7],[34]          
Interest rate 9.16% [4],[17],[35] 9.16% [4],[17],[35] 9.16% [4],[17],[35] 9.36% [7],[18],[34] 9.36% [7],[18],[34]          
Principal Amount or Par Value $ 19,868 [4],[9],[35]     $ 20,019 [7],[11],[34]            
Cost 19,789 [4],[35]     19,931 [7],[34]            
Fair Value $ 19,868 [4],[35]     $ 20,019 [7],[34]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 7,768 [4],[9],[13],[14]     $ 7,827 [7],[11],[15],[16]            
Cost 7,768 [4],[13],[14]     7,827 [7],[15],[16]            
Fair Value $ 7,768 [4],[13],[14]     7,827 [7],[15],[16]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[35] 5.00% 5.00% 5.00%              
Interest rate [4],[17],[35] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[9],[35] $ 1,309                  
Cost [4],[35] 1,301                  
Fair Value [4],[35] $ 1,309                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[5],[9] $ 512                  
Cost [4],[5] 516                  
Fair Value [4],[5] $ 512                  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       935            
Cost [7],[8],[12]       (4)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[10] 5.00% [4],[5],[10] 5.00% [4],[5],[10] 5.00% [7],[8],[12] 5.00% [7],[8],[12]          
Interest rate 9.16% [4],[5],[10],[17] 9.16% [4],[5],[10],[17] 9.16% [4],[5],[10],[17] 9.36% [7],[8],[12],[18] 9.36% [7],[8],[12],[18]          
Principal Amount or Par Value $ 125 [4],[5],[9],[10]     $ 417 [7],[8],[11],[12]            
Cost 127 [4],[5],[10]     417 [7],[8],[12]            
Fair Value 125 [4],[5],[10]     417 [7],[8],[12]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 822 [4],[5],[9],[10]     1,847 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 811                  
Cost [4],[5],[10] (6)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 13,206 [4],[9],[13],[14]     $ 13,206 [7],[11],[15],[16]            
Cost 13,175 [4],[13],[14]     13,170 [7],[15],[16]            
Fair Value $ 13,206 [4],[13],[14]     $ 13,206 [7],[15],[16]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.36% [7],[8],[18],[20] 9.36% [7],[8],[18],[20]          
Principal Amount or Par Value $ 8,879 [4],[5],[9],[19]     $ 8,462 [7],[8],[11],[20]            
Cost 8,943 [4],[5],[19]     8,452 [7],[8],[20]            
Fair Value $ 8,879 [4],[5],[19]     $ 8,462 [7],[8],[20]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 3,398 [4],[9],[13],[14]     $ 3,398 [7],[11],[15],[16]            
Cost 3,394 [4],[13],[14]     3,394 [7],[15],[16]            
Fair Value $ 3,398 [4],[13],[14]     $ 3,398 [7],[15],[16]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 1,025 [4],[5],[9],[19]     $ 761 [7],[11],[15],[16]            
Cost 1,022 [4],[5],[19]     758 [7],[15],[16]            
Fair Value $ 1,025 [4],[5],[19]     $ 761 [7],[15],[16]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 761 [4],[9],[13],[14]     $ 341 [7],[11],[15],[16]            
Cost 759 [4],[13],[14]     340 [7],[15],[16]            
Fair Value $ 761 [4],[13],[14]     $ 341 [7],[15],[16]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 6                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 341 [4],[9],[13],[14]     $ 272 [7],[11],[15],[16]            
Cost 340 [4],[13],[14]     271 [7],[15],[16]            
Fair Value $ 341 [4],[13],[14]     $ 272 [7],[15],[16]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 7                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.00% 5.00% 5.00%              
Interest rate [4],[13],[14],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[9],[13],[14] $ 272                  
Cost [4],[13],[14] 271                  
Fair Value [4],[13],[14] $ 272                  
Investment, Identifier [Axis]: CB Buyer, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.25% 5.25%          
Interest rate [7],[15],[16],[18]       9.61% 9.61%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 3,308            
Cost [7],[15],[16]       3,293            
Fair Value [7],[15],[16]       3,292            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       364            
Cost [7],[8],[12]       (2)            
Fair Value [7],[8],[12]       (2)            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       934            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       $ (5)            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [4],[5],[19],[23] 6.25% [4],[5],[19],[23] 6.25% [4],[5],[19],[23] 6.25% [7],[15],[16],[24] 6.25% [7],[15],[16],[24]          
PIK 2.25% [4],[5],[19],[23] 2.25% [4],[5],[19],[23] 2.25% [4],[5],[19],[23] 2.25% [7],[15],[16],[24] 2.25% [7],[15],[16],[24]          
Interest rate 12.76% [4],[5],[17],[19] 12.76% [4],[5],[17],[19] 12.76% [4],[5],[17],[19] 13.09% [7],[15],[16],[18] 13.09% [7],[15],[16],[18]          
Principal Amount or Par Value $ 11,997 [4],[5],[9],[19]     $ 11,881 [7],[11],[15],[16]            
Cost 11,997 [4],[5],[19]     11,880 [7],[15],[16]            
Fair Value $ 10,497 [4],[5],[19]     $ 10,693 [7],[15],[16]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [4],[13],[14],[23] 6.25% [4],[13],[14],[23] 6.25% [4],[13],[14],[23] 6.25% [7],[15],[16],[24] 6.25% [7],[15],[16],[24]          
PIK 2.25% [4],[13],[14],[23] 2.25% [4],[13],[14],[23] 2.25% [4],[13],[14],[23] 2.25% [7],[15],[16],[24] 2.25% [7],[15],[16],[24]          
Interest rate 12.76% [4],[13],[14],[17] 12.76% [4],[13],[14],[17] 12.76% [4],[13],[14],[17] 13.09% [7],[15],[16],[18] 13.09% [7],[15],[16],[18]          
Principal Amount or Par Value $ 3,574 [4],[9],[13],[14]     $ 3,539 [7],[11],[15],[16]            
Cost 3,583 [4],[13],[14]     3,548 [7],[15],[16]            
Fair Value $ 3,127 [4],[13],[14]     $ 3,185 [7],[15],[16]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4],[13],[14],[23] 6.75% [4],[13],[14],[23] 6.75% [4],[13],[14],[23] 6.75% [7],[15],[16],[24] 6.75% [7],[15],[16],[24]          
PIK 2.00% [4],[13],[14],[23] 2.00% [4],[13],[14],[23] 2.00% [4],[13],[14],[23] 2.00% [7],[15],[16],[24] 2.00% [7],[15],[16],[24]          
Interest rate 12.75% [4],[13],[14],[17] 12.75% [4],[13],[14],[17] 12.75% [4],[13],[14],[17] 13.08% [7],[15],[16],[18] 13.08% [7],[15],[16],[18]          
Principal Amount or Par Value $ 8,559 [4],[9],[13],[14]     $ 8,493 [7],[11],[15],[16]            
Cost 8,526 [4],[13],[14]     8,447 [7],[15],[16]            
Fair Value $ 8,559 [4],[13],[14]     $ 8,449 [7],[15],[16]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4],[5],[10],[19],[23] 6.75% [4],[5],[10],[19],[23] 6.75% [4],[5],[10],[19],[23] 6.75% [7],[8],[12],[20],[24] 6.75% [7],[8],[12],[20],[24]          
PIK 2.00% [4],[5],[10],[19],[23] 2.00% [4],[5],[10],[19],[23] 2.00% [4],[5],[10],[19],[23] 2.00% [7],[8],[12],[20],[24] 2.00% [7],[8],[12],[20],[24]          
Interest rate 12.91% [4],[5],[10],[17],[19] 12.91% [4],[5],[10],[17],[19] 12.91% [4],[5],[10],[17],[19] 13.11% [7],[8],[12],[18],[20] 13.11% [7],[8],[12],[18],[20]          
Principal Amount or Par Value $ 1,084 [4],[5],[9],[10],[19]     $ 954 [7],[8],[11],[12],[20]            
Cost 1,072 [4],[5],[10],[19]     945 [7],[8],[12],[20]            
Fair Value 1,084 [4],[5],[10],[19]     950 [7],[8],[12],[20]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 113 [4],[5],[9],[10]     226 [7],[8],[11],[12]            
Cost (1) [4],[5],[10]     (3) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ (1) [7],[8],[12]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 6,467 [4],[9],[13],[14]     $ 6,516 [7],[11],[15],[16]            
Cost 6,438 [4],[13],[14]     6,484 [7],[15],[16]            
Fair Value 6,467 [4],[13],[14]     $ 6,483 [7],[15],[16]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12],[20]       5.00% 5.00%          
Interest rate [7],[8],[12],[18],[20]       9.36% 9.36%          
Principal Amount or Par Value [7],[8],[11],[12],[20]       $ 489            
Cost [7],[8],[12],[20]       486            
Fair Value [7],[8],[12],[20]       486            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,629 [4],[5],[9],[10]     597 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     (3) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     (3) [7],[8],[12]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,086 [4],[5],[9],[10]     1,629 [7],[8],[11],[12]            
Cost (5) [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     (8) [7],[8],[12]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       850            
Cost [7],[8],[12]       (6)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [5],[10] 5.50% [5],[10] 5.50% [5],[10] 5.50% [7],[8],[12] 5.50% [7],[8],[12]          
Interest rate 9.70% [5],[10],[17] 9.70% [5],[10],[17] 9.70% [5],[10],[17] 10.02% [7],[8],[12],[18] 10.02% [7],[8],[12],[18]          
Principal Amount or Par Value $ 637 [5],[9],[10]     $ 637 [7],[8],[11],[12]            
Cost 633 [5],[10]     633 [7],[8],[12]            
Fair Value 637 [5],[10]     $ 637 [7],[8],[12]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [5],[9],[10] 850                  
Cost [5],[10] (6)                  
Fair Value [5],[10] $ 0                  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [35] 5.50% [35] 5.50% [35] 5.50% [7],[34] 5.50% [7],[34]          
Interest rate 9.70% [17],[35] 9.70% [17],[35] 9.70% [17],[35] 10.01% [7],[18],[34] 10.01% [7],[18],[34]          
Principal Amount or Par Value $ 12,193 [9],[35]     $ 12,286 [7],[11],[34]            
Cost 12,164 [35]     12,244 [7],[34]            
Fair Value $ 12,193 [35]     $ 12,286 [7],[34]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [35] 5.50% [35] 5.50% [35] 5.50% [7],[34] 5.50% [7],[34]          
Interest rate 9.70% [17],[35] 9.70% [17],[35] 9.70% [17],[35] 10.01% [7],[18],[34] 10.01% [7],[18],[34]          
Principal Amount or Par Value $ 1,562 [9],[35]     $ 1,574 [7],[11],[34]            
Cost 1,554 [35]     1,562 [7],[34]            
Fair Value $ 1,562 [35]     $ 1,574 [7],[34]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [21] 4.50% [21] 4.50% [21] 4.50% [22] 4.50% [22]          
Interest rate 8.65% [17],[21] 8.65% [17],[21] 8.65% [17],[21] 8.98% [18],[22] 8.98% [18],[22]          
Principal Amount or Par Value $ 11,639 [9],[21]     $ 11,730 [11],[22]            
Cost 11,607 [21]     11,689 [22]            
Fair Value $ 11,582 [21]     $ 11,249 [22]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [4],[21] 7.75% [4],[21] 7.75% [4],[21] 7.75% [7],[22] 7.75% [7],[22]          
Interest rate 11.91% [4],[17],[21] 11.91% [4],[17],[21] 11.91% [4],[17],[21] 12.24% [7],[18],[22] 12.24% [7],[18],[22]          
Principal Amount or Par Value $ 9,767 [4],[9],[21]     $ 9,767 [7],[11],[22]            
Cost 9,718 [4],[21]     9,709 [7],[22]            
Fair Value $ 9,757 [4],[21]     $ 9,423 [7],[22]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.88% [4],[13],[14],[23] 2.88% [4],[13],[14],[23] 2.88% [4],[13],[14],[23] 2.88% [7],[15],[16],[24] 2.88% [7],[15],[16],[24]          
PIK 3.38% [4],[13],[14],[23] 3.38% [4],[13],[14],[23] 3.38% [4],[13],[14],[23] 3.38% [7],[15],[16],[24] 3.38% [7],[15],[16],[24]          
Interest rate 10.41% [4],[13],[14],[17] 10.41% [4],[13],[14],[17] 10.41% [4],[13],[14],[17] 10.63% [7],[15],[16],[18] 10.63% [7],[15],[16],[18]          
Principal Amount or Par Value $ 36,475 [4],[9],[13],[14]     $ 35,797 [7],[11],[15],[16]            
Cost 36,124 [4],[13],[14]     35,399 [7],[15],[16]            
Fair Value 36,475 [4],[13],[14]     35,797 [7],[15],[16]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,980 [4],[5],[9],[10]     3,980 [7],[8],[11],[12]            
Cost (50) [4],[5],[10]     (50) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Ciklum Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16],[28]       6.50% 6.50%          
Interest rate [7],[15],[16],[18],[28]       11.17% 11.17%          
Principal Amount or Par Value [7],[11],[15],[16],[28]       $ 9,536            
Cost [7],[15],[16],[28]       9,430            
Fair Value [7],[15],[16],[28]       9,536            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10],[27] 2,989                  
Cost [4],[5],[10],[27] (37)                  
Fair Value [4],[5],[10],[27] $ 0                  
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       11,955            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       2,989            
Cost [7],[8],[12]       (37)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Ciklum Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 6.50% 6.50% 6.50%              
Interest rate [4],[13],[14],[17] 10.90% 10.90% 10.90%              
Principal Amount or Par Value [4],[9],[13],[14] $ 9,464                  
Cost [4],[13],[14] 9,371                  
Fair Value [4],[13],[14] $ 9,464                  
Investment, Identifier [Axis]: Ciklum Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.50% 6.50% 6.50%              
Interest rate [4],[5],[17],[19] 10.83% 10.83% 10.83%              
Principal Amount or Par Value [4],[5],[9],[19] $ 5,353                  
Cost [4],[5],[19] 5,290                  
Fair Value [4],[5],[19] $ 5,353                  
Investment, Identifier [Axis]: Cleanova US Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14],[27] 4.75% 4.75% 4.75%              
Interest rate [4],[13],[14],[17],[27] 8.81% 8.81% 8.81%              
Principal Amount or Par Value [4],[9],[13],[14],[27] $ 8,406                  
Cost [4],[13],[14],[27] 8,120                  
Fair Value [4],[13],[14],[27] 8,406                  
Investment, Identifier [Axis]: CommerceHub, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.25% 6.25%          
Interest rate [7],[8],[18],[20]       10.90% 10.90%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 3,920            
Cost [7],[8],[20]       3,608            
Fair Value [7],[8],[20]       $ 3,920            
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 58                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 611                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] $ (5)                  
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17],[19] 9.20% 9.20% 9.20%              
Principal Amount or Par Value [4],[5],[9],[10],[19] $ 1,237                  
Cost [4],[5],[10],[19] 1,225                  
Fair Value [4],[5],[10],[19] $ 1,227                  
Investment, Identifier [Axis]: Compsych Investments Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [7],[15],[16] 4.75% [7],[15],[16]          
Interest rate 9.08% [4],[13],[14],[17] 9.08% [4],[13],[14],[17] 9.08% [4],[13],[14],[17] 9.38% [7],[15],[16],[18] 9.38% [7],[15],[16],[18]          
Principal Amount or Par Value $ 7,810 [4],[9],[13],[14]     $ 1,164 [7],[11],[15],[16]            
Cost 7,758 [4],[13],[14]     1,162 [7],[15],[16]            
Fair Value 7,810 [4],[13],[14]     1,162 [7],[15],[16]            
Investment, Identifier [Axis]: Compsych Investments Corp., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,253 [4],[5],[9],[10]     333 [7],[8],[11],[12]            
Cost (14) [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ (1) [7],[8],[12]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 1.00% [7],[8],[20],[24] 1.00% [7],[8],[20],[24]          
PIK 3.94% [4],[5],[19],[23] 3.94% [4],[5],[19],[23] 3.94% [4],[5],[19],[23] 4.25% [7],[8],[20],[24] 4.25% [7],[8],[20],[24]          
Interest rate 9.04% [4],[5],[17],[19] 9.04% [4],[5],[17],[19] 9.04% [4],[5],[17],[19] 9.68% [7],[8],[18],[20] 9.68% [7],[8],[18],[20]          
Principal Amount or Par Value $ 13,431 [4],[5],[9],[19]     $ 13,152 [7],[8],[11],[20]            
Cost 13,388 [4],[5],[19]     13,101 [7],[8],[20]            
Fair Value $ 11,266 [4],[5],[19]     $ 11,935 [7],[8],[20]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 1.00% [7],[8],[20],[24] 1.00% [7],[8],[20],[24]          
PIK 3.94% [4],[5],[19],[23] 3.94% [4],[5],[19],[23] 3.94% [4],[5],[19],[23] 4.25% [7],[8],[20],[24] 4.25% [7],[8],[20],[24]          
Interest rate 9.04% [4],[5],[17],[19] 9.04% [4],[5],[17],[19] 9.04% [4],[5],[17],[19] 9.68% [7],[8],[18],[20] 9.68% [7],[8],[18],[20]          
Principal Amount or Par Value $ 2,243 [4],[5],[9],[19]     $ 2,196 [7],[8],[11],[20]            
Cost 2,229 [4],[5],[19]     2,180 [7],[8],[20]            
Fair Value $ 1,881 [4],[5],[19]     $ 1,993 [7],[8],[20]            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.41% [4],[5],[17],[19] 9.41% [4],[5],[17],[19] 9.41% [4],[5],[17],[19] 9.61% [7],[8],[18],[20] 9.61% [7],[8],[18],[20]          
Principal Amount or Par Value $ 1,042 [4],[5],[9],[19]     $ 1,050 [7],[8],[11],[20]            
Cost 1,037 [4],[5],[19]     1,045 [7],[8],[20]            
Fair Value 1,042 [4],[5],[19]     1,050 [7],[8],[20]            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       578            
Cost [7],[8],[12]       (3)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 578                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.56% [4],[5],[17],[19] 9.56% [4],[5],[17],[19] 9.56% [4],[5],[17],[19] 9.84% [7],[8],[18],[20] 9.84% [7],[8],[18],[20]          
Principal Amount or Par Value $ 14,280 [4],[5],[9],[19]     $ 14,388 [7],[8],[11],[20]            
Cost 14,152 [4],[5],[19]     14,243 [7],[8],[20]            
Fair Value 14,280 [4],[5],[19]     14,388 [7],[8],[20]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,291 [4],[5],[9],[10]     1,291 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 989 [4],[5],[9],[10]     989 [7],[8],[11],[12]            
Cost (12) [4],[5],[10]     (12) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.09% 6.09% 6.09%              
Interest rate [4],[5],[17],[19] 10.54% 10.54% 10.54%              
Principal Amount or Par Value [4],[5],[9],[19] $ 19,259                  
Cost [4],[5],[19] 19,138                  
Fair Value [4],[5],[19] $ 19,259                  
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.09% 6.09% 6.09%              
Interest rate [4],[5],[17],[19] 10.37% 10.37% 10.37%              
Principal Amount or Par Value [4],[5],[9],[19] $ 5,012                  
Cost [4],[5],[19] 4,999                  
Fair Value [4],[5],[19] $ 5,012                  
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.), First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 6.09% 6.09% 6.09%              
Interest rate [4],[13],[14],[17] 10.54% 10.54% 10.54%              
Principal Amount or Par Value [4],[9],[13],[14] $ 4,913                  
Cost [4],[13],[14] 4,882                  
Fair Value [4],[13],[14] $ 4,913                  
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.), First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.24% 6.24% 6.24%              
Interest rate [4],[5],[17],[19] 10.71% 10.71% 10.71%              
Principal Amount or Par Value [4],[5],[9],[19] $ 4,706                  
Cost [4],[5],[19] 4,686                  
Fair Value [4],[5],[19] $ 4,706                  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       6.41% 6.41%          
PIK [4],[13],[14],[23] 6.41% 6.41% 6.41%              
Interest rate 10.41% [4],[13],[14],[17] 10.41% [4],[13],[14],[17] 10.41% [4],[13],[14],[17] 10.73% [7],[15],[16],[18] 10.73% [7],[15],[16],[18]          
Principal Amount or Par Value $ 1,839 [4],[9],[13],[14]     $ 1,804 [7],[11],[15],[16]            
Cost 1,835 [4],[13],[14]     1,798 [7],[15],[16]            
Fair Value $ 1,621 [4],[13],[14]     $ 1,758 [7],[15],[16]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.50% 6.50%          
PIK [4],[5],[19],[23] 6.50% 6.50% 6.50%              
Interest rate 10.50% [4],[5],[17],[19] 10.50% [4],[5],[17],[19] 10.50% [4],[5],[17],[19] 10.83% [7],[8],[18],[20] 10.83% [7],[8],[18],[20]          
Principal Amount or Par Value $ 1,031 [4],[5],[9],[19]     $ 1,011 [7],[8],[11],[20]            
Cost 1,022 [4],[5],[19]     1,000 [7],[8],[20]            
Fair Value $ 912 [4],[5],[19]     $ 987 [7],[8],[20]            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 6.75% [8],[20] 6.75% [8],[20]          
Interest rate 9.66% [4],[5],[17],[19] 9.66% [4],[5],[17],[19] 9.66% [4],[5],[17],[19] 11.22% [8],[18],[20] 11.22% [8],[18],[20]          
Principal Amount or Par Value $ 9,512 [4],[5],[9],[19]     $ 20,313 [8],[11],[20]            
Cost 9,465 [4],[5],[19]     20,280 [8],[20]            
Fair Value 9,464 [4],[5],[19]     20,281 [8],[20]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,405 [4],[5],[9],[10]     2,405 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ (13) [7],[8],[12]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [7],[8],[20] 5.75% [7],[8],[20]          
Interest rate 10.10% [4],[5],[17],[19] 10.10% [4],[5],[17],[19] 10.10% [4],[5],[17],[19] 10.40% [7],[8],[18],[20] 10.40% [7],[8],[18],[20]          
Principal Amount or Par Value $ 18,196 [4],[5],[9],[19]     $ 18,337 [7],[8],[11],[20]            
Cost 18,196 [4],[5],[19]     18,337 [7],[8],[20]            
Fair Value $ 18,196 [4],[5],[19]     $ 18,236 [7],[8],[20]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[21] 5.75% [4],[21] 5.75% [4],[21] 5.75% [7],[22] 5.75% [7],[22]          
Interest rate 10.10% [4],[17],[21] 10.10% [4],[17],[21] 10.10% [4],[17],[21] 10.40% [7],[18],[22] 10.40% [7],[18],[22]          
Principal Amount or Par Value $ 6,814 [4],[9],[21]     $ 6,867 [7],[11],[22]            
Cost 6,814 [4],[21]     6,867 [7],[22]            
Fair Value $ 6,814 [4],[21]     6,829 [7],[22]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 5.75% 5.75% 5.75%              
Interest rate [4],[5],[17],[19] 10.01% 10.01% 10.01%              
Principal Amount or Par Value [4],[5],[9],[19] $ 3,363                  
Cost [4],[5],[19] 3,342                  
Fair Value [4],[5],[19] 3,363                  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,046 [4],[5],[9],[10]     3,046 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: DT1 Midco Corp, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.00% 5.00% 5.00%              
Interest rate [4],[13],[14],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[9],[13],[14] $ 1,345                  
Cost [4],[13],[14] 1,338                  
Fair Value [4],[13],[14] $ 1,338                  
Investment, Identifier [Axis]: DT1 Midco Corp, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[5],[9],[10] $ 32                  
Cost [4],[5],[10] 32                  
Fair Value [4],[5],[10] 32                  
Investment, Identifier [Axis]: DT1 Midco Corp, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 674                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] (3)                  
Investment, Identifier [Axis]: DT1 Midco Corp, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 4,462                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] (22)                  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 986 [4],[5],[9],[10]     986 [7],[8],[11],[12]            
Cost (10) [4],[5],[10]     (10) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 8.91% [4],[5],[17],[19] 8.91% [4],[5],[17],[19] 8.91% [4],[5],[17],[19] 9.36% [7],[8],[18],[20] 9.36% [7],[8],[18],[20]          
Principal Amount or Par Value $ 12,779 [4],[5],[9],[19]     $ 12,878 [7],[8],[11],[20]            
Cost 12,714 [4],[5],[19]     12,799 [7],[8],[20]            
Fair Value $ 12,779 [4],[5],[19]     $ 12,878 [7],[8],[20]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 1,077 [4],[9],[13],[14]     $ 1,085 [7],[11],[15],[16]            
Cost 1,071 [4],[13],[14]     1,078 [7],[15],[16]            
Fair Value $ 1,077 [4],[13],[14]     $ 1,085 [7],[15],[16]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5] 4.75% [4],[5] 4.75% [4],[5] 5.00% [7],[8] 5.00% [7],[8]          
Interest rate 8.91% [4],[5],[17] 8.91% [4],[5],[17] 8.91% [4],[5],[17] 9.36% [7],[8],[18] 9.36% [7],[8],[18]          
Principal Amount or Par Value $ 64 [4],[5],[9]     $ 65 [7],[8],[11]            
Cost 64 [4],[5]     64 [7],[8]            
Fair Value 64 [4],[5]     $ 65 [7],[8]            
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred Shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 84,739                  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 7.00% [4],[5],[19],[23],[36] 7.00% [4],[5],[19],[23],[36] 7.00% [4],[5],[19],[23],[36] 7.00% [7],[8],[20],[24] 7.00% [7],[8],[20],[24]          
Interest rate 7.00% [4],[5],[17],[19],[36] 7.00% [4],[5],[17],[19],[36] 7.00% [4],[5],[17],[19],[36] 7.00% [7],[8],[18],[20] 7.00% [7],[8],[18],[20]          
Cost $ 75,927 [4],[5],[19],[36]     $ 75,927 [7],[8],[20]            
Fair Value $ 81,078 [4],[5],[19],[36]     $ 79,222 [7],[8],[20]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12],[20]       5.75% 5.75%          
Interest rate [7],[8],[12],[18],[20]       10.20% 10.20%          
Principal Amount or Par Value [7],[8],[11],[12],[20]       $ 3,027            
Cost [7],[8],[12],[20]       2,997            
Fair Value [7],[8],[12],[20]       $ 2,987            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19] 5.75% 5.75% 5.75%              
Interest rate [4],[5],[10],[17],[19] 9.85% 9.85% 9.85%              
Principal Amount or Par Value [4],[5],[9],[10],[19] $ 3,027                  
Cost [4],[5],[10],[19] 2,997                  
Fair Value [4],[5],[10],[19] $ 2,947                  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [7],[15],[16] 5.75% [7],[15],[16]          
Interest rate 9.85% [4],[13],[14],[17] 9.85% [4],[13],[14],[17] 9.85% [4],[13],[14],[17] 10.18% [7],[15],[16],[18] 10.18% [7],[15],[16],[18]          
Principal Amount or Par Value $ 36,806 [4],[9],[13],[14]     $ 37,094 [7],[11],[15],[16]            
Cost 36,624 [4],[13],[14]     36,871 [7],[15],[16]            
Fair Value $ 35,834 [4],[13],[14]     $ 36,604 [7],[15],[16]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [7],[8],[20] 5.75% [7],[8],[20]          
Interest rate 9.85% [4],[5],[17],[19] 9.85% [4],[5],[17],[19] 9.85% [4],[5],[17],[19] 10.18% [7],[8],[18],[20] 10.18% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,874 [4],[5],[9],[19]     $ 3,905 [7],[8],[11],[20]            
Cost 3,854 [4],[5],[19]     3,880 [7],[8],[20]            
Fair Value $ 3,772 [4],[5],[19]     3,853 [7],[8],[20]            
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.50% 5.50% 5.50%              
Interest rate [4],[13],[14],[17] 9.67% 9.67% 9.67%              
Principal Amount or Par Value [4],[9],[13],[14] $ 9,091                  
Cost [4],[13],[14] 9,046                  
Fair Value [4],[13],[14] 9,045                  
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 909                  
Cost [4],[5],[10] (5)                  
Fair Value [4],[5],[10] (5)                  
Investment, Identifier [Axis]: Digicert, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,119                  
Cost [4],[5],[10] (8)                  
Fair Value [4],[5],[10] $ (8)                  
Investment, Identifier [Axis]: Digicert, Inc.., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.75% 5.75% 5.75%              
Interest rate [4],[13],[14],[17] 9.91% 9.91% 9.91%              
Principal Amount or Par Value [4],[9],[13],[14] $ 15,500                  
Cost [4],[13],[14] 15,387                  
Fair Value [4],[13],[14] $ 15,384                  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17] 9.20% 9.20% 9.20%              
Principal Amount or Par Value [4],[5],[9],[10] $ 249                  
Cost [4],[5],[10] 248                  
Fair Value [4],[5],[10] 249                  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,016 [4],[5],[9],[10]     2,265 [7],[8],[11],[12]            
Cost (8) [4],[5],[10]     (8) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,398 [4],[5],[9],[10]     3,398 [7],[8],[11],[12]            
Cost (13) [4],[5],[10]     (13) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.20% [4],[13],[14],[17] 9.20% [4],[13],[14],[17] 9.20% [4],[13],[14],[17] 10.09% [7],[15],[16],[18] 10.09% [7],[15],[16],[18]          
Principal Amount or Par Value $ 19,821 [4],[9],[13],[14]     $ 19,821 [7],[11],[15],[16]            
Cost 19,760 [4],[13],[14]     19,753 [7],[15],[16]            
Fair Value $ 19,821 [4],[13],[14]     $ 19,821 [7],[15],[16]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.20% [4],[5],[17],[19] 9.20% [4],[5],[17],[19] 9.20% [4],[5],[17],[19] 10.09% [7],[8],[18],[20] 10.09% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,398 [4],[5],[9],[19]     $ 3,398 [7],[8],[11],[20]            
Cost 3,387 [4],[5],[19]     3,386 [7],[8],[20]            
Fair Value $ 3,398 [4],[5],[19]     $ 3,398 [7],[8],[20]            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.50% [4],[5],[23],[37] 10.50% [4],[5],[23],[37] 10.50% [4],[5],[23],[37] 10.50% [7],[8],[24],[38] 10.50% [7],[8],[24],[38]          
Interest rate 10.50% [4],[5],[17],[37] 10.50% [4],[5],[17],[37] 10.50% [4],[5],[17],[37] 10.50% [7],[8],[18],[38] 10.50% [7],[8],[18],[38]          
Principal Amount or Par Value $ 15,827                  
Cost 15,702 [4],[5],[37]     $ 14,162 [7],[8],[38]            
Fair Value $ 15,036 [4],[5],[37]     $ 13,609 [7],[8],[38]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[13],[14],[39] 7.50% [4],[13],[14],[39] 7.50% [4],[13],[14],[39] 7.50% [7],[15],[16],[40] 7.50% [7],[15],[16],[40]          
Interest rate 11.65% [4],[13],[14],[17],[39] 11.65% [4],[13],[14],[17],[39] 11.65% [4],[13],[14],[17],[39] 11.98% [7],[15],[16],[18],[40] 11.98% [7],[15],[16],[18],[40]          
Principal Amount or Par Value $ 10,628 [4],[9],[13],[14],[39]     $ 10,628 [7],[11],[15],[16],[40]            
Cost 10,628 [4],[13],[14],[39]     10,628 [7],[15],[16],[40]            
Fair Value $ 10,628 [4],[13],[14],[39]     $ 10,628 [7],[15],[16],[40]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[5],[39] 7.50% [4],[5],[39] 7.50% [4],[5],[39] 7.50% [7],[8],[40] 7.50% [7],[8],[40]          
Interest rate 11.65% [4],[5],[17],[39] 11.65% [4],[5],[17],[39] 11.65% [4],[5],[17],[39] 11.98% [7],[8],[18],[40] 11.98% [7],[8],[18],[40]          
Principal Amount or Par Value $ 340 [4],[5],[9],[39]     $ 340 [7],[8],[11],[40]            
Cost 340 [4],[5],[39]     340 [7],[8],[40]            
Fair Value 340 [4],[5],[39]     340 [7],[8],[40]            
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,104 [4],[5],[39]     4,104 [7],[8],[40]            
Fair Value $ 7,368 [4],[5],[39]     $ 8,188 [7],[8],[40]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[21],[41] 4.50% [4],[21],[41] 4.50% [4],[21],[41] 4.75% [7],[22],[42] 4.75% [7],[22],[42]          
Interest rate 8.68% [4],[17],[21],[41] 8.68% [4],[17],[21],[41] 8.68% [4],[17],[21],[41] 9.26% [7],[18],[22],[42] 9.26% [7],[18],[22],[42]          
Principal Amount or Par Value $ 7,113 [4],[9],[21],[41]     $ 7,113 [7],[11],[22],[42]            
Cost 7,081 [4],[21],[41]     7,078 [7],[22],[42]            
Fair Value 7,113 [4],[21],[41]     7,078 [7],[22],[42]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,206 [4],[9],[10],[21]     1,206 [7],[11],[12],[22]            
Cost 0 [4],[10],[21]     0 [7],[12],[22]            
Fair Value 0 [4],[10],[21]     (6) [7],[12],[22]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,190 [4],[5],[9],[10]     4,190 [7],[8],[11],[12]            
Cost (21) [4],[5],[10]     (21) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     (21) [7],[8],[12]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 145 [4],[5]     145 [7],[8]            
Fair Value $ 305 [4],[5]     $ 305 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24]       15.00% 15.00%          
Interest rate [7],[8],[18]       15.00% 15.00%          
Cost [7],[8]       $ 2,900            
Fair Value [7],[8]       $ 2,900            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[30]       11.50% 11.50%          
Interest rate [7],[8],[18]       11.50% 11.50%          
Cost [7],[8]       $ 2,565            
Fair Value [7],[8]       $ 2,702            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Series A preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[5],[23] 15.00% 15.00% 15.00%              
Interest rate [4],[5],[17] 15.00% 15.00% 15.00%              
Principal Amount or Par Value $ 3,335                  
Cost [4],[5] 3,335                  
Fair Value [4],[5] $ 3,335                  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Series B preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[5],[23],[29] 11.50% 11.50% 11.50%              
Interest rate [4],[5],[17] 11.50% 11.50% 11.50%              
Principal Amount or Par Value $ 4,116                  
Cost [4],[5] 2,565                  
Fair Value [4],[5] 2,703                  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc., Junior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,565                  
Fair Value $ 2,703                  
Investment, Identifier [Axis]: Eclipse Topco, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.50% [4],[21],[23],[41] 12.50% [4],[21],[23],[41] 12.50% [4],[21],[23],[41] 12.50% [7],[22],[24],[42] 12.50% [7],[22],[24],[42]          
Interest rate 12.50% [4],[17],[21],[41] 12.50% [4],[17],[21],[41] 12.50% [4],[17],[21],[41] 12.50% [7],[18],[22],[42] 12.50% [7],[18],[22],[42]          
Principal Amount or Par Value $ 2,094                  
Cost 2,075 [4],[21],[41]     $ 1,952 [7],[22],[42]            
Fair Value $ 2,094 [4],[21],[41]     $ 1,952 [7],[22],[42]            
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 14.00% [4],[5],[23],[39],[43] 14.00% [4],[5],[23],[39],[43] 14.00% [4],[5],[23],[39],[43] 13.25% [7],[8],[24],[40] 13.25% [7],[8],[24],[40]          
Interest rate 18.65% [4],[5],[17],[39],[43] 18.65% [4],[5],[17],[39],[43] 18.65% [4],[5],[17],[39],[43] 17.58% [7],[8],[18],[40] 17.58% [7],[8],[18],[40]          
Principal Amount or Par Value $ 25,465 [4],[5],[9],[39],[43]     $ 22,290 [7],[8],[11],[40]            
Cost 25,410 [4],[5],[39],[43]     22,223 [7],[8],[40]            
Fair Value $ 25,465 [4],[5],[39],[43]     22,290 [7],[8],[40]            
Investment, Identifier [Axis]: Einstein Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.50% 6.50% 6.50%              
Interest rate [4],[5],[17],[19] 10.83% 10.83% 10.83%              
Principal Amount or Par Value [4],[5],[9],[19] $ 55,582                  
Cost [4],[5],[19] 55,074                  
Fair Value [4],[5],[19] 55,026                  
Investment, Identifier [Axis]: Einstein Parent, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 5,750                  
Cost [4],[5],[10] (57)                  
Fair Value [4],[5],[10] (57)                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12],[44]       1,400            
Cost [7],[8],[12],[44]       (14)            
Fair Value [7],[8],[12],[44]       $ 0            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 909                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[9],[10],[35] 2,723                  
Cost [4],[10],[35] 0                  
Fair Value [4],[10],[35] 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,400                  
Cost [4],[5],[10] (14)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[35] 5.00% [4],[35] 5.00% [4],[35] 5.75% [7],[34] 5.75% [7],[34]          
Interest rate 9.15% [4],[17],[35] 9.15% [4],[17],[35] 9.15% [4],[17],[35] 10.23% [7],[18],[34] 10.23% [7],[18],[34]          
Principal Amount or Par Value $ 8,475 [4],[9],[35]     $ 10,185 [7],[11],[34]            
Cost 8,434 [4],[35]     10,127 [7],[34]            
Fair Value $ 8,475 [4],[35]     $ 10,185 [7],[34]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 6.00% [7],[8],[20] 6.00% [7],[8],[20]          
Interest rate 9.15% [4],[5],[17],[19] 9.15% [4],[5],[17],[19] 9.15% [4],[5],[17],[19] 10.48% [7],[8],[18],[20] 10.48% [7],[8],[18],[20]          
Principal Amount or Par Value $ 4,725 [4],[5],[9],[19]     $ 5,677 [7],[8],[11],[20]            
Cost 4,695 [4],[5],[19]     5,636 [7],[8],[20]            
Fair Value $ 4,725 [4],[5],[19]     $ 5,677 [7],[8],[20]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[35] 5.00% [4],[35] 5.00% [4],[35] 5.75% [7],[34] 5.75% [7],[34]          
Interest rate 9.15% [4],[17],[35] 9.15% [4],[17],[35] 9.15% [4],[17],[35] 10.23% [7],[18],[34] 10.23% [7],[18],[34]          
Principal Amount or Par Value $ 2,845 [4],[9],[35]     $ 3,419 [7],[11],[34]            
Cost 2,830 [4],[35]     3,398 [7],[34]            
Fair Value $ 2,845 [4],[35]     $ 3,419 [7],[34]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[35] 5.00% [4],[35] 5.00% [4],[35] 5.75% [7],[34] 5.75% [7],[34]          
Interest rate 9.15% [4],[17],[35] 9.15% [4],[17],[35] 9.15% [4],[17],[35] 10.23% [7],[18],[34] 10.23% [7],[18],[34]          
Principal Amount or Par Value $ 2,827 [4],[9],[35]     $ 3,397 [7],[11],[34]            
Cost 2,813 [4],[35]     3,378 [7],[34]            
Fair Value 2,827 [4],[35]     3,397 [7],[34]            
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 5,000 [4],[35],[45]     5,000 [7],[34],[44]            
Fair Value $ 5,000 [4],[35],[45]     4,618 [7],[34],[44]            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19],[23] 2.25% 2.25% 2.25%              
PIK [4],[5],[19],[23] 2.75% 2.75% 2.75%              
Interest rate [4],[5],[17],[19] 9.31% 9.31% 9.31%              
Principal Amount or Par Value [4],[5],[9],[19] $ 8,150                  
Cost [4],[5],[19] 8,131                  
Fair Value [4],[5],[19] $ 8,130                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 4.50% 4.50% 4.50%              
Interest rate [4],[5],[10],[17] 8.71% 8.71% 8.71%              
Principal Amount or Par Value [4],[5],[9],[10] $ 733                  
Cost [4],[5],[10] 731                  
Fair Value [4],[5],[10] 731                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,422                  
Cost [4],[5],[10] (4)                  
Fair Value [4],[5],[10] (4)                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 4,005                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] (10)                  
Investment, Identifier [Axis]: Firebird Co-Invest L.P., LP Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[5],[46] 3,358                  
Fair Value [4],[5],[46] $ 3,358                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[21] 6.75% 6.75% 6.75%              
Interest rate [4],[17],[21] 11.20% 11.20% 11.20%              
Principal Amount or Par Value [4],[9],[21] $ 10,719                  
Cost [4],[21] 10,640                  
Fair Value [4],[21] $ 9,248                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 6.75% 6.75% 6.75%              
Interest rate [4],[5],[17],[19] 11.20% 11.20% 11.20%              
Principal Amount or Par Value [4],[5],[9],[19] $ 1,429                  
Cost [4],[5],[19] 1,425                  
Fair Value [4],[5],[19] $ 1,233                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.25% 5.25% 5.25%              
Interest rate [4],[5],[10],[17] 9.40% 9.40% 9.40%              
Principal Amount or Par Value [4],[5],[9],[10] $ 386                  
Cost [4],[5],[10] 383                  
Fair Value [4],[5],[10] $ 386                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.25% 5.25% 5.25%              
Interest rate [4],[5],[10],[17] 9.46% 9.46% 9.46%              
Principal Amount or Par Value [4],[5],[9],[10] $ 277                  
Cost [4],[5],[10] 277                  
Fair Value [4],[5],[10] 277                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,924 [4],[5],[9],[10]     3,312 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,034 [4],[5],[9],[10]     2,095 [7],[8],[11],[12]            
Cost (20) [4],[5],[10]     (21) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.60% [4],[13],[14],[17] 9.60% [4],[13],[14],[17] 9.60% [4],[13],[14],[17] 9.71% [7],[15],[16],[18] 9.71% [7],[15],[16],[18]          
Principal Amount or Par Value $ 36,905 [4],[9],[13],[14]     $ 33,356 [7],[11],[15],[16]            
Cost 36,761 [4],[13],[14]     33,163 [7],[15],[16]            
Fair Value $ 36,905 [4],[13],[14]     $ 33,356 [7],[15],[16]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.71% [7],[8],[18],[20] 9.71% [7],[8],[18],[20]          
Principal Amount or Par Value $ 4,043 [4],[5],[9],[19]     $ 4,075 [7],[8],[11],[20]            
Cost 4,019 [4],[5],[19]     4,041 [7],[8],[20]            
Fair Value $ 4,043 [4],[5],[19]     $ 4,075 [7],[8],[20]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19] 5.50% 5.50% 5.50%              
Interest rate [4],[5],[10],[17],[19] 9.60% 9.60% 9.60%              
Principal Amount or Par Value [4],[5],[9],[10],[19] $ 715                  
Cost [4],[5],[10],[19] 708                  
Fair Value [4],[5],[10],[19] 715                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.50% 5.50%          
Interest rate [7],[8],[12],[18]       10.30% 10.30%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 1,001            
Cost [7],[8],[12]       990            
Fair Value [7],[8],[12]       $ 1,001            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.50% 5.50%          
Interest rate [7],[8],[12],[18]       9.90% 9.90%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 342            
Cost [7],[8],[12]       343            
Fair Value [7],[8],[12]       342            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 2,145                  
Cost [4],[5],[10] (21)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       3,360            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,859            
Cost [7],[8],[12]       (19)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.50% [7],[15],[16] 5.50% [7],[15],[16]          
Interest rate 9.60% [4],[13],[14],[17] 9.60% [4],[13],[14],[17] 9.60% [4],[13],[14],[17] 9.93% [7],[15],[16],[18] 9.93% [7],[15],[16],[18]          
Principal Amount or Par Value $ 17,043 [4],[9],[13],[14]     $ 17,176 [7],[11],[15],[16]            
Cost 16,953 [4],[13],[14]     17,066 [7],[15],[16]            
Fair Value $ 17,043 [4],[13],[14]     $ 17,176 [7],[15],[16]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [7],[8],[20] 5.50% [7],[8],[20]          
Interest rate 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.93% [7],[8],[18],[20] 9.93% [7],[8],[18],[20]          
Principal Amount or Par Value $ 12,267 [4],[5],[9],[19]     $ 12,020 [7],[8],[11],[20]            
Cost 12,206 [4],[5],[19]     11,946 [7],[8],[20]            
Fair Value $ 12,267 [4],[5],[19]     $ 12,020 [7],[8],[20]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [7],[8] 5.50% [7],[8]          
Interest rate 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.60% [4],[5],[17],[19] 9.93% [7],[8],[18] 9.93% [7],[8],[18]          
Principal Amount or Par Value $ 974 [4],[5],[9],[19]     $ 80 [7],[8],[11]            
Cost 976 [4],[5],[19]     79 [7],[8]            
Fair Value $ 974 [4],[5],[19]     $ 80 [7],[8]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5] 5.50% 5.50% 5.50%              
Interest rate [4],[5],[17] 9.60% 9.60% 9.60%              
Principal Amount or Par Value [4],[5],[9] $ 79                  
Cost [4],[5] 79                  
Fair Value [4],[5] $ 79                  
Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 4.25% 4.25% 4.25%              
Interest rate [13],[14],[17] 8.53% 8.53% 8.53%              
Principal Amount or Par Value [9],[13],[14] $ 6,367                  
Cost [13],[14] 5,847                  
Fair Value [13],[14] $ 5,683                  
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [4],[35] 6.50% [4],[35] 6.50% [4],[35] 6.50% [7],[34] 6.50% [7],[34]          
Interest rate 10.78% [4],[17],[35] 10.78% [4],[17],[35] 10.78% [4],[17],[35] 11.35% [7],[18],[34] 11.35% [7],[18],[34]          
Principal Amount or Par Value $ 22,500 [4],[9],[35]     $ 22,500 [7],[11],[34]            
Cost 22,433 [4],[35]     22,423 [7],[34]            
Fair Value $ 22,500 [4],[35]     $ 22,500 [7],[34]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [4],[5],[19] 6.50% [4],[5],[19] 6.50% [4],[5],[19] 6.50% [7],[15],[16] 6.50% [7],[15],[16]          
Interest rate 10.78% [4],[5],[17],[19] 10.78% [4],[5],[17],[19] 10.78% [4],[5],[17],[19] 11.35% [7],[15],[16],[18] 11.35% [7],[15],[16],[18]          
Principal Amount or Par Value $ 10,965 [4],[5],[9],[19]     $ 7,009 [7],[11],[15],[16]            
Cost 10,742 [4],[5],[19]     6,992 [7],[15],[16]            
Fair Value $ 10,965 [4],[5],[19]     7,009 [7],[15],[16]            
Investment, Identifier [Axis]: Fullsteam Operations LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.25% 5.25% 5.25%              
Interest rate [4],[13],[14],[17] 9.48% 9.48% 9.48%              
Principal Amount or Par Value [4],[9],[13],[14] $ 6,223                  
Cost [4],[13],[14] 6,192                  
Fair Value [4],[13],[14] 6,192                  
Investment, Identifier [Axis]: Fullsteam Operations LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 2,074                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Fullsteam Operations LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 691                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] (3)                  
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,951 [4],[5],[9],[10]     3,951 [7],[8],[11],[12]            
Cost (30) [4],[5],[10]     (30) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [7],[15],[16] 4.75% [7],[15],[16]          
Interest rate 9.01% [4],[13],[14],[17] 9.01% [4],[13],[14],[17] 9.01% [4],[13],[14],[17] 9.21% [7],[15],[16],[18] 9.21% [7],[15],[16],[18]          
Principal Amount or Par Value $ 40,009 [4],[9],[13],[14]     $ 40,312 [7],[11],[15],[16]            
Cost 39,806 [4],[13],[14]     40,084 [7],[15],[16]            
Fair Value $ 40,009 [4],[13],[14]     $ 40,312 [7],[15],[16]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[35] 4.75% [4],[35] 4.75% [4],[35] 4.75% [7],[34] 4.75% [7],[34]          
Interest rate 9.01% [4],[17],[35] 9.01% [4],[17],[35] 9.01% [4],[17],[35] 9.21% [7],[18],[34] 9.21% [7],[18],[34]          
Principal Amount or Par Value $ 21,287 [4],[9],[35]     $ 21,448 [7],[11],[34]            
Cost 21,232 [4],[35]     21,386 [7],[34]            
Fair Value 21,287 [4],[35]     21,448 [7],[34]            
Investment, Identifier [Axis]: GEDC Equity, LLC, Participation Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 190 [4],[5]     190 [7],[8]            
Fair Value $ 50 [4],[5]     $ 50 [7],[8]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.25% 5.25%          
Interest rate [7],[8],[12],[18]       9.58% 9.58%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 319            
Cost [7],[8],[12]       319            
Fair Value [7],[8],[12]       319            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.25% 5.25% 5.25%              
Interest rate [4],[5],[10],[17] 9.25% 9.25% 9.25%              
Principal Amount or Par Value [4],[5],[9],[10] $ 1,607                  
Cost [4],[5],[10] 1,601                  
Fair Value [4],[5],[10] $ 1,607                  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.25% 5.25% 5.25%              
Interest rate [4],[5],[10],[17] 9.25% 9.25% 9.25%              
Principal Amount or Par Value [4],[5],[9],[10] $ 450                  
Cost [4],[5],[10] 448                  
Fair Value [4],[5],[10] 450                  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 759 [4],[5],[9],[10]     1,120 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,214 [4],[5],[9],[10]     4,821 [7],[8],[11],[12]            
Cost (20) [4],[5],[10]     (26) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.25% [4],[13],[14],[17] 9.25% [4],[13],[14],[17] 9.25% [4],[13],[14],[17] 9.58% [7],[15],[16],[18] 9.58% [7],[15],[16],[18]          
Principal Amount or Par Value $ 25,145 [4],[9],[13],[14]     $ 34,719 [7],[11],[15],[16]            
Cost 25,113 [4],[13],[14]     34,663 [7],[15],[16]            
Fair Value $ 25,145 [4],[13],[14]     $ 34,719 [7],[15],[16]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[35] 5.25% [4],[35] 5.25% [4],[35] 5.25% [7],[34] 5.25% [7],[34]          
Interest rate 9.25% [4],[17],[35] 9.25% [4],[17],[35] 9.25% [4],[17],[35] 9.58% [7],[18],[34] 9.58% [7],[18],[34]          
Principal Amount or Par Value $ 21,130 [4],[9],[35]     $ 21,297 [7],[11],[34]            
Cost 21,102 [4],[35]     21,263 [7],[34]            
Fair Value $ 21,130 [4],[35]     $ 21,297 [7],[34]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 9.25% [4],[5],[17],[19] 9.25% [4],[5],[17],[19] 9.25% [4],[5],[17],[19] 9.58% [7],[8],[18],[20] 9.58% [7],[8],[18],[20]          
Principal Amount or Par Value $ 2,886 [4],[5],[9],[19]     $ 2,909 [7],[8],[11],[20]            
Cost 2,881 [4],[5],[19]     2,902 [7],[8],[20]            
Fair Value $ 2,886 [4],[5],[19]     $ 2,909 [7],[8],[20]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[13],[14] 4.50% [4],[13],[14] 4.50% [4],[13],[14] 4.50% [7],[15],[16] 4.50% [7],[15],[16]          
Interest rate 8.50% [4],[13],[14],[17] 8.50% [4],[13],[14],[17] 8.50% [4],[13],[14],[17] 8.83% [7],[15],[16],[18] 8.83% [7],[15],[16],[18]          
Principal Amount or Par Value $ 1,081 [4],[9],[13],[14]     $ 1,090 [7],[11],[15],[16]            
Cost 1,076 [4],[13],[14]     1,083 [7],[15],[16]            
Fair Value $ 1,081 [4],[13],[14]     $ 1,080 [7],[15],[16]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[5],[10],[19] 4.50% [4],[5],[10],[19] 4.50% [4],[5],[10],[19] 4.50% [7],[8],[12] 4.50% [7],[8],[12]          
Interest rate 8.50% [4],[5],[10],[17],[19] 8.50% [4],[5],[10],[17],[19] 8.50% [4],[5],[10],[17],[19] 8.83% [7],[8],[12],[18] 8.83% [7],[8],[12],[18]          
Principal Amount or Par Value $ 1,792 [4],[5],[9],[10],[19]     $ 1,806 [7],[8],[11],[12]            
Cost 1,768 [4],[5],[10],[19]     1,779 [7],[8],[12]            
Fair Value $ 1,792 [4],[5],[10],[19]     $ 1,788 [7],[8],[12]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       4.75% 4.75%          
Interest rate [7],[15],[16],[18]       9.08% 9.08%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 17,901            
Cost [7],[15],[16]       17,858            
Fair Value [7],[15],[16]       $ 17,856            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       4.75% 4.75%          
Interest rate [7],[8],[12],[18]       9.08% 9.08%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 448            
Cost [7],[8],[12]       445            
Fair Value [7],[8],[12]       446            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,682            
Cost [7],[8],[12]       (4)            
Fair Value [7],[8],[12]       (4)            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       4,038            
Cost [7],[8],[12]       (10)            
Fair Value [7],[8],[12]       $ (10)            
Investment, Identifier [Axis]: Greenway Health, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4],[5],[19] 6.75% [4],[5],[19] 6.75% [4],[5],[19] 6.75% [7],[8],[20] 6.75% [7],[8],[20]          
Interest rate 10.75% [4],[5],[17],[19] 10.75% [4],[5],[17],[19] 10.75% [4],[5],[17],[19] 11.08% [7],[8],[18],[20] 11.08% [7],[8],[18],[20]          
Principal Amount or Par Value $ 6,254 [4],[5],[9],[19]     $ 6,302 [7],[8],[11],[20]            
Cost 6,186 [4],[5],[19]     6,221 [7],[8],[20]            
Fair Value $ 6,254 [4],[5],[19]     $ 6,302 [7],[8],[20]            
Investment, Identifier [Axis]: Groundworks, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [22]       3.25% 3.25%          
Interest rate [18],[22]       7.65% 7.65%          
Principal Amount or Par Value [11],[22]       $ 18,908            
Cost [22]       18,734            
Fair Value [22]       $ 19,034            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [12],[22]       3.25% 3.25%          
Interest rate [12],[18],[22]       7.65% 7.65%          
Principal Amount or Par Value [11],[12],[22]       $ 557            
Cost [12],[22]       552            
Fair Value [12],[22]       560            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [11],[12],[22]       2,938            
Cost [12],[22]       (15)            
Fair Value [12],[22]       $ 20            
Investment, Identifier [Axis]: HBWM Holdings, LLC, Common units                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[23],[47],[48] 4.00% 4.00% 4.00%              
Interest rate [4],[17],[47],[48] 4.00% 4.00% 4.00%              
Cost [4],[47],[48] $ 4,767                  
Fair Value [4],[47],[48] 9,564                  
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[49]       4.00% 4.00%          
Interest rate [7],[18],[49]       4.00% 4.00%          
Cost [7],[49]       $ 4,717            
Fair Value [7],[49]       $ 9,532            
Investment, Identifier [Axis]: HBWM Holdings, LLC.                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 4,767                  
Investment, Identifier [Axis]: HP TLE Buyer, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[5],[9] $ 8,168                  
Cost [4],[5] 8,128                  
Fair Value [4],[5] 8,127                  
Investment, Identifier [Axis]: HP TLE Buyer, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,797                  
Cost [4],[5],[10] (9)                  
Fair Value [4],[5],[10] $ (9)                  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4],[35] 6.75% [4],[35] 6.75% [4],[35] 6.75% [34] 6.75% [34]          
Interest rate 11.16% [4],[17],[35] 11.16% [4],[17],[35] 11.16% [4],[17],[35] 11.44% [18],[34] 11.44% [18],[34]          
Principal Amount or Par Value $ 22,500 [4],[9],[35]     $ 22,500 [11],[34]            
Cost 22,441 [4],[35]     22,441 [34]            
Fair Value $ 19,384 [4],[35]     $ 14,513 [34]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4],[13],[14] 6.75% [4],[13],[14] 6.75% [4],[13],[14] 6.75% [15],[16] 6.75% [15],[16]          
Interest rate 11.16% [4],[13],[14],[17] 11.16% [4],[13],[14],[17] 11.16% [4],[13],[14],[17] 11.44% [15],[16],[18] 11.44% [15],[16],[18]          
Principal Amount or Par Value $ 4,208 [4],[9],[13],[14]     $ 4,208 [11],[15],[16]            
Cost 4,188 [4],[13],[14]     4,188 [15],[16]            
Fair Value $ 3,625 [4],[13],[14]     $ 2,714 [15],[16]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 9.58% [7],[8],[18],[20] 9.58% [7],[8],[18],[20]          
Principal Amount or Par Value $ 5,031 [4],[5],[9],[19]     $ 5,069 [7],[8],[11],[20]            
Cost 4,991 [4],[5],[19]     5,025 [7],[8],[20]            
Fair Value 5,031 [4],[5],[19]     5,069 [7],[8],[20]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,229                  
Cost [4],[5],[10] (12)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,229            
Cost [7],[8],[12]       (12)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[5],[19] 4.50% [4],[5],[19] 4.50% [4],[5],[19] 4.50% [7],[8],[20] 4.50% [7],[8],[20]          
Interest rate 8.67% [4],[5],[17],[19] 8.67% [4],[5],[17],[19] 8.67% [4],[5],[17],[19] 8.86% [7],[8],[18],[20] 8.86% [7],[8],[18],[20]          
Principal Amount or Par Value $ 3,779 [4],[5],[9],[19]     $ 3,808 [7],[8],[11],[20]            
Cost 3,779 [4],[5],[19]     3,808 [7],[8],[20]            
Fair Value $ 3,779 [4],[5],[19]     $ 3,808 [7],[8],[20]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [7],[8],[12] 4.75% [7],[8],[12]          
Interest rate 8.91% [4],[5],[10],[17] 8.91% [4],[5],[10],[17] 8.91% [4],[5],[10],[17] 9.11% [7],[8],[12],[18] 9.11% [7],[8],[12],[18]          
Principal Amount or Par Value $ 4,556 [4],[5],[9],[10]     $ 2,313 [7],[8],[11],[12]            
Cost 4,537 [4],[5],[10]     2,302 [7],[8],[12]            
Fair Value 4,556 [4],[5],[10]     2,313 [7],[8],[12]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,402 [4],[5],[9],[10]     5,676 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [5],[19] 5.25% [5],[19] 5.25% [5],[19] 5.25% [8],[20] 5.25% [8],[20]          
Interest rate 9.51% [5],[17],[19] 9.51% [5],[17],[19] 9.51% [5],[17],[19] 9.71% [8],[18],[20] 9.71% [8],[18],[20]          
Principal Amount or Par Value $ 14,373 [5],[9],[19]     $ 14,484 [8],[11],[20]            
Cost 14,059 [5],[19]     14,108 [8],[20]            
Fair Value 12,917 [5],[19]     14,291 [8],[20]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,780 [4],[5],[9],[10]     3,780 [7],[8],[11],[12]            
Cost (38) [4],[5],[10]     (38) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.31% [4],[13],[14],[17] 9.31% [4],[13],[14],[17] 9.31% [4],[13],[14],[17] 9.67% [7],[15],[16],[18] 9.67% [7],[15],[16],[18]          
Principal Amount or Par Value $ 32,553 [4],[9],[13],[14]     $ 32,799 [7],[11],[15],[16]            
Cost 32,399 [4],[13],[14]     32,611 [7],[15],[16]            
Fair Value $ 32,553 [4],[13],[14]     $ 32,799 [7],[15],[16]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.31% [4],[5],[17],[19] 9.31% [4],[5],[17],[19] 9.31% [4],[5],[17],[19] 9.67% [7],[8],[18],[20] 9.67% [7],[8],[18],[20]          
Principal Amount or Par Value $ 2,523 [4],[5],[9],[19]     $ 2,542 [7],[8],[11],[20]            
Cost 2,523 [4],[5],[19]     2,540 [7],[8],[20]            
Fair Value $ 2,523 [4],[5],[19]     $ 2,542 [7],[8],[20]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[5] 4.50% [4],[5] 4.50% [4],[5] 6.50% [7],[8],[20] 6.50% [7],[8],[20]          
Interest rate 8.81% [4],[5],[17] 8.81% [4],[5],[17] 8.81% [4],[5],[17] 10.86% [7],[8],[18],[20] 10.86% [7],[8],[18],[20]          
Principal Amount or Par Value $ 8,422 [4],[5],[9]     $ 8,696 [7],[8],[11],[20]            
Cost 8,357 [4],[5]     8,619 [7],[8],[20]            
Fair Value 8,422 [4],[5]     8,696 [7],[8],[20]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 828 [4],[5],[9],[10]     828 [7],[8],[11],[12]            
Cost (8) [4],[5],[10]     (8) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[22]       6.75% 6.75%          
Interest rate [7],[18],[22]       11.47% 11.47%          
Principal Amount or Par Value [7],[11],[22]       $ 15,091            
Cost [7],[22]       14,961            
Fair Value [7],[22]       $ 15,091            
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.75% 6.75%          
Interest rate [7],[8],[18],[20]       11.47% 11.47%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 2,012            
Cost [7],[8],[20]       2,006            
Fair Value [7],[8],[20]       2,012            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,827 [4],[5],[9],[10]     3,827 [7],[8],[11],[12]            
Cost (29) [4],[5],[10]     (29) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [7],[15],[16] 5.75% [7],[15],[16]          
Interest rate 10.01% [4],[13],[14],[17] 10.01% [4],[13],[14],[17] 10.01% [4],[13],[14],[17] 10.21% [7],[15],[16],[18] 10.21% [7],[15],[16],[18]          
Principal Amount or Par Value $ 18,372 [4],[9],[13],[14]     $ 18,372 [7],[11],[15],[16]            
Cost 18,305 [4],[13],[14]     18,291 [7],[15],[16]            
Fair Value $ 18,372 [4],[13],[14]     $ 18,372 [7],[15],[16]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [7],[8],[20] 5.75% [7],[8],[20]          
Interest rate 10.01% [4],[5],[17],[19] 10.01% [4],[5],[17],[19] 10.01% [4],[5],[17],[19] 10.21% [7],[8],[18],[20] 10.21% [7],[8],[18],[20]          
Principal Amount or Par Value $ 7,704 [4],[5],[9],[19]     $ 7,764 [7],[8],[11],[20]            
Cost 7,663 [4],[5],[19]     7,713 [7],[8],[20]            
Fair Value $ 7,704 [4],[5],[19]     $ 7,764 [7],[8],[20]            
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[5] 7.50% [4],[5] 7.50% [4],[5] 7.50% [7],[8] 7.50% [7],[8]          
Interest rate 11.60% [4],[5],[17] 11.60% [4],[5],[17] 11.60% [4],[5],[17] 11.93% [7],[8],[18] 11.93% [7],[8],[18]          
Principal Amount or Par Value $ 16,953 [4],[5],[9]     $ 16,953 [7],[8],[11]            
Cost 16,816 [4],[5]     16,795 [7],[8]            
Fair Value $ 16,953 [4],[5]     $ 16,953 [7],[8]            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[20],[24],[28]       12.25% 12.25%          
Interest rate [7],[8],[18],[20],[28]       16.58% 16.58%          
Principal Amount or Par Value [7],[8],[11],[20],[28]       $ 7,091            
Cost [7],[8],[20],[28]       6,405            
Fair Value [7],[8],[20],[28]       $ 6,331            
Investment, Identifier [Axis]: Investment, Affiliated Issuer, Controlled, Majority-Owned                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Interest rate                 7.00%  
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligation                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[27] 7.00% 7.00% 7.00%              
Interest rate [4],[5],[17],[27] 11.33% 11.33% 11.33%              
Principal Amount or Par Value [4],[5],[9],[27] $ 3,232                  
Cost [4],[5],[27] 3,232                  
Fair Value [4],[5],[27] $ 3,257                  
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[28]       7.00% 7.00%          
Interest rate [8],[18],[28]       11.46% 11.46%          
Cost [8],[28]       $ 3,232            
Fair Value [8],[28]       $ 3,232            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.75% 5.75%          
Interest rate [7],[8],[12],[18]       10.36% 10.36%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 19            
Cost [7],[8],[12]       19            
Fair Value [7],[8],[12]       18            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,568            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       $ (47)            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [7],[8],[20] 5.50% [7],[8],[20]          
Interest rate 9.91% [4],[5],[17],[19] 9.91% [4],[5],[17],[19] 9.91% [4],[5],[17],[19] 10.19% [7],[8],[18],[20] 10.19% [7],[8],[18],[20]          
Principal Amount or Par Value $ 6,774 [4],[5],[9],[19]     $ 6,827 [7],[8],[11],[20]            
Cost 6,739 [4],[5],[19]     6,785 [7],[8],[20]            
Fair Value $ 6,283 [4],[5],[19]     $ 6,570 [7],[8],[20]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [7],[8],[20] 5.50% [7],[8],[20]          
Interest rate 9.84% [4],[5],[17],[19] 9.84% [4],[5],[17],[19] 9.84% [4],[5],[17],[19] 10.15% [7],[8],[18],[20] 10.15% [7],[8],[18],[20]          
Principal Amount or Par Value $ 1,140 [4],[5],[9],[19]     $ 1,149 [7],[8],[11],[20]            
Cost 1,133 [4],[5],[19]     1,140 [7],[8],[20]            
Fair Value $ 1,057 [4],[5],[19]     $ 1,106 [7],[8],[20]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [4],[5],[19] 5.50% [7],[8],[20] 5.50% [7],[8],[20]          
Interest rate 9.93% [4],[5],[17],[19] 9.93% [4],[5],[17],[19] 9.93% [4],[5],[17],[19] 10.28% [7],[8],[18],[20] 10.28% [7],[8],[18],[20]          
Principal Amount or Par Value $ 776 [4],[5],[9],[19]     $ 782 [7],[8],[11],[20]            
Cost 772 [4],[5],[19]     777 [7],[8],[20]            
Fair Value $ 720 [4],[5],[19]     $ 752 [7],[8],[20]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5] 5.75% 5.75% 5.75%              
Interest rate [4],[5],[17] 10.05% 10.05% 10.05%              
Principal Amount or Par Value [4],[5],[9] $ 19                  
Cost [4],[5] 18                  
Fair Value [4],[5] $ 17                  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12],[20]       5.50% 5.50%          
Interest rate [7],[8],[12],[18],[20]       9.83% 9.83%          
Principal Amount or Par Value [7],[8],[11],[12],[20]       $ 973            
Cost [7],[8],[12],[20]       966            
Fair Value [7],[8],[12],[20]       $ 973            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.50% 5.50%          
Interest rate [7],[8],[12],[18]       10.09% 10.09%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 751            
Cost [7],[8],[12]       746            
Fair Value [7],[8],[12]       751            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       2,865            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       2,888            
Cost [7],[8],[12]       (22)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Kaseya Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.50% 5.50%          
Interest rate [7],[15],[16],[18]       10.09% 10.09%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 64,124            
Cost [7],[15],[16]       63,786            
Fair Value [7],[15],[16]       $ 64,124            
Investment, Identifier [Axis]: Kaseya Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.50% 5.50%          
Interest rate [7],[8],[18],[20]       10.09% 10.09%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 238            
Cost [7],[8],[20]       237            
Fair Value [7],[8],[20]       238            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19] 4.50% 4.50% 4.50%              
Interest rate [4],[5],[10],[17],[19] 8.66% 8.66% 8.66%              
Principal Amount or Par Value [4],[5],[9],[10],[19] $ 990                  
Cost [4],[5],[10],[19] 985                  
Fair Value [4],[5],[10],[19] 990                  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 810 [4],[5],[9],[10]     1,799 [7],[8],[11],[12]            
Cost (4) [4],[5],[10]     (9) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[35] 4.50% [4],[35] 4.50% [4],[35] 4.50% [7],[34] 4.50% [7],[34]          
Interest rate 8.66% [4],[17],[35] 8.66% [4],[17],[35] 8.66% [4],[17],[35] 8.84% [7],[18],[34] 8.84% [7],[18],[34]          
Principal Amount or Par Value $ 14,513 [4],[9],[35]     $ 14,635 [7],[11],[34]            
Cost 14,500 [4],[35]     14,617 [7],[34]            
Fair Value $ 14,513 [4],[35]     $ 14,635 [7],[34]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[35] 4.50% [4],[35] 4.50% [4],[35] 4.50% [7],[34] 4.50% [7],[34]          
Interest rate 8.66% [4],[17],[35] 8.66% [4],[17],[35] 8.66% [4],[17],[35] 8.84% [7],[18],[34] 8.84% [7],[18],[34]          
Principal Amount or Par Value $ 1,248 [4],[9],[35]     $ 2,268 [7],[11],[34]            
Cost 1,242 [4],[35]     2,254 [7],[34]            
Fair Value $ 1,248 [4],[35]     $ 2,268 [7],[34]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 9.56% [4],[13],[14],[17] 9.56% [4],[13],[14],[17] 9.56% [4],[13],[14],[17] 9.84% [7],[15],[16],[18] 9.84% [7],[15],[16],[18]          
Principal Amount or Par Value $ 3,483 [4],[9],[13],[14]     $ 3,509 [7],[11],[15],[16]            
Cost 3,454 [4],[13],[14]     3,477 [7],[15],[16]            
Fair Value $ 3,483 [4],[13],[14]     $ 3,509 [7],[15],[16]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[5],[10] 5.25% [4],[5],[10] 5.25% [4],[5],[10] 5.25% [7],[8],[12] 5.25% [7],[8],[12]          
Interest rate 9.56% [4],[5],[10],[17] 9.56% [4],[5],[10],[17] 9.56% [4],[5],[10],[17] 9.59% [7],[8],[12],[18] 9.59% [7],[8],[12],[18]          
Principal Amount or Par Value $ 161 [4],[5],[9],[10]     $ 162 [7],[8],[11],[12]            
Cost 160 [4],[5],[10]     161 [7],[8],[12]            
Fair Value 161 [4],[5],[10]     162 [7],[8],[12]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,398 [4],[5],[9],[10]     1,398 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 468 [4],[5],[9],[10]     468 [7],[8],[11],[12]            
Cost (5) [4],[5],[10]     (5) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.75% [4],[5],[23],[50] 10.75% [4],[5],[23],[50] 10.75% [4],[5],[23],[50] 10.75% [7],[8],[24],[51] 10.75% [7],[8],[24],[51]          
Interest rate 14.89% [4],[5],[17],[50] 14.89% [4],[5],[17],[50] 14.89% [4],[5],[17],[50] 15.03% [7],[8],[18],[51] 15.03% [7],[8],[18],[51]          
Principal Amount or Par Value $ 12,400                  
Cost 12,324 [4],[5],[50]     $ 20,819 [7],[8],[51]            
Fair Value $ 12,400 [4],[5],[50]     $ 21,010 [7],[8],[51]            
Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 4.50% 4.50% 4.50%              
Interest rate [13],[14],[17] 8.50% 8.50% 8.50%              
Principal Amount or Par Value [9],[13],[14] $ 5,155                  
Cost [13],[14] 5,056                  
Fair Value [13],[14] $ 5,086                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [4],[23],[35] 2.75% [4],[23],[35] 2.75% [4],[23],[35] 2.75% [7],[24],[34] 2.75% [7],[24],[34]          
PIK 2.75% [4],[23],[35] 2.75% [4],[23],[35] 2.75% [4],[23],[35] 2.75% [7],[24],[34] 2.75% [7],[24],[34]          
Interest rate 9.71% [4],[17],[35] 9.71% [4],[17],[35] 9.71% [4],[17],[35] 10.02% [7],[18],[34] 10.02% [7],[18],[34]          
Principal Amount or Par Value $ 6,206 [4],[9],[35]     $ 6,124 [7],[11],[34]            
Cost 6,153 [4],[35]     6,065 [7],[34]            
Fair Value $ 6,206 [4],[35]     $ 6,062 [7],[34]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12]       5.00% 5.00%          
Interest rate [7],[8],[12],[18]       9.41% 9.41%          
Principal Amount or Par Value [7],[8],[11],[12]       $ 72            
Cost [7],[8],[12]       71            
Fair Value [7],[8],[12]       71            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[10],[35] 5.00% 5.00% 5.00%              
Interest rate [4],[10],[17],[35] 9.19% 9.19% 9.19%              
Principal Amount or Par Value [4],[9],[10],[35] $ 221                  
Cost [4],[10],[35] 219                  
Fair Value [4],[10],[35] $ 221                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[5],[9],[10] $ 72                  
Cost [4],[5],[10] 71                  
Fair Value [4],[5],[10] 72                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 136 [4],[9],[10],[35]     358 [7],[11],[12],[34]            
Cost 0 [4],[10],[35]     0 [7],[12],[34]            
Fair Value 0 [4],[10],[35]     (4) [7],[12],[34]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 644 [4],[5],[9],[10]     644 [7],[8],[11],[12]            
Cost (6) [4],[5],[10]     (6) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ (6) [7],[8],[12]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[5] 7.50% [4],[5] 7.50% [4],[5] 7.50% [7],[8],[20] 7.50% [7],[8],[20]          
Interest rate 11.66% [4],[5],[17] 11.66% [4],[5],[17] 11.66% [4],[5],[17] 11.86% [7],[8],[18],[20] 11.86% [7],[8],[18],[20]          
Principal Amount or Par Value $ 4,196 [4],[5],[9]     $ 4,196 [7],[8],[11],[20]            
Cost 4,145 [4],[5]     4,138 [7],[8],[20]            
Fair Value 4,047 [4],[5]     4,196 [7],[8],[20]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 420 [4],[5],[9],[10]     420 [7],[8],[11],[12]            
Cost (6) [4],[5],[10]     (6) [7],[8],[12]            
Fair Value $ (15) [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[5],[9],[19] $ 16,902                  
Cost [4],[5],[19] 16,841                  
Fair Value [4],[5],[19] 16,839                  
Investment, Identifier [Axis]: Low Voltage Holdings Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 819                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] (3)                  
Investment, Identifier [Axis]: Low Voltage Holdings Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 2,317                  
Cost [4],[5],[10] (9)                  
Fair Value [4],[5],[10] (9)                  
Investment, Identifier [Axis]: Low Voltage Holdings Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 5,257                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] $ (19)                  
Investment, Identifier [Axis]: MRI Software LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [4],[5],[10] 4.75% [7],[8],[12] 4.75% [7],[8],[12]          
Interest rate 8.75% [4],[5],[10],[17] 8.75% [4],[5],[10],[17] 8.75% [4],[5],[10],[17] 9.08% [7],[8],[12],[18] 9.08% [7],[8],[12],[18]          
Principal Amount or Par Value $ 200 [4],[5],[9],[10]     $ 111 [7],[8],[11],[12]            
Cost 199 [4],[5],[10]     111 [7],[8],[12]            
Fair Value 200 [4],[5],[10]     111 [7],[8],[12]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,802 [4],[5],[9],[10]     1,891 [7],[8],[11],[12]            
Cost (9) [4],[5],[10]     (9) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[35] 4.75% [4],[35] 4.75% [4],[35] 4.75% [7],[34] 4.75% [7],[34]          
Interest rate 8.75% [4],[17],[35] 8.75% [4],[17],[35] 8.75% [4],[17],[35] 9.08% [7],[18],[34] 9.08% [7],[18],[34]          
Principal Amount or Par Value $ 21,261 [4],[9],[35]     $ 21,430 [7],[11],[34]            
Cost 21,240 [4],[35]     21,398 [7],[34]            
Fair Value $ 21,261 [4],[35]     $ 21,430 [7],[34]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [7],[8],[20] 4.75% [7],[8],[20]          
Interest rate 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 9.08% [7],[8],[18],[20] 9.08% [7],[8],[18],[20]          
Principal Amount or Par Value $ 7,532 [4],[5],[9],[19]     $ 7,591 [7],[8],[11],[20]            
Cost 7,524 [4],[5],[19]     7,580 [7],[8],[20]            
Fair Value $ 7,532 [4],[5],[19]     $ 7,591 [7],[8],[20]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [7],[15],[16] 4.75% [7],[15],[16]          
Interest rate 8.75% [4],[13],[14],[17] 8.75% [4],[13],[14],[17] 8.75% [4],[13],[14],[17] 9.08% [7],[15],[16],[18] 9.08% [7],[15],[16],[18]          
Principal Amount or Par Value $ 4,486 [4],[9],[13],[14]     $ 4,521 [7],[11],[15],[16]            
Cost 4,483 [4],[13],[14]     4,516 [7],[15],[16]            
Fair Value $ 4,486 [4],[13],[14]     $ 4,521 [7],[15],[16]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [7],[15],[16] 4.75% [7],[15],[16]          
Interest rate 8.75% [4],[13],[14],[17] 8.75% [4],[13],[14],[17] 8.75% [4],[13],[14],[17] 9.08% [7],[15],[16],[18] 9.08% [7],[15],[16],[18]          
Principal Amount or Par Value $ 3,083 [4],[9],[13],[14]     $ 3,107 [7],[11],[15],[16]            
Cost 3,080 [4],[13],[14]     3,103 [7],[15],[16]            
Fair Value $ 3,083 [4],[13],[14]     $ 3,107 [7],[15],[16]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [7],[8],[20] 4.75% [7],[8],[20]          
Interest rate 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 8.75% [4],[5],[17],[19] 9.08% [7],[8],[18],[20] 9.08% [7],[8],[18],[20]          
Principal Amount or Par Value $ 787 [4],[5],[9],[19]     $ 793 [7],[8],[11],[20]            
Cost 786 [4],[5],[19]     792 [7],[8],[20]            
Fair Value $ 787 [4],[5],[19]     $ 793 [7],[8],[20]            
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[10],[17] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[5],[9],[10] $ 55                  
Cost [4],[5],[10] 55                  
Fair Value [4],[5],[10] 55                  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 3,692                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 252                  
Cost [4],[5],[10] (1)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Michael Baker International, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[20]       4.75% 4.75%          
Interest rate [8],[18],[20]       9.11% 9.11%          
Principal Amount or Par Value [8],[11],[20]       $ 4,892            
Cost [8],[20]       4,869            
Fair Value [8],[20]       $ 4,910            
Investment, Identifier [Axis]: Model N, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.00% 5.00%          
Interest rate [7],[15],[16],[18]       9.33% 9.33%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 44,218            
Cost [7],[15],[16]       44,008            
Fair Value [7],[15],[16]       43,997            
Investment, Identifier [Axis]: Model N, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 4.75% 4.75% 4.75%              
Interest rate [4],[13],[14],[17] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[9],[13],[14] $ 43,885                  
Cost [4],[13],[14] 43,696                  
Fair Value [4],[13],[14] 43,885                  
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 9,047 [4],[5],[9],[10]     4,825 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     (24) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     (24) [7],[8],[12]            
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,825 [4],[5],[9],[10]     9,047 [7],[8],[11],[12]            
Cost (24) [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ (45) [7],[8],[12]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [4],[13],[14] 4.50% [4],[13],[14] 4.50% [4],[13],[14] 2.50% [7],[15],[16],[24] 2.50% [7],[15],[16],[24]          
PIK [7],[15],[16],[24]       2.75% 2.75%          
Interest rate 8.66% [4],[13],[14],[17] 8.66% [4],[13],[14],[17] 8.66% [4],[13],[14],[17] 9.61% [7],[15],[16],[18] 9.61% [7],[15],[16],[18]          
Principal Amount or Par Value $ 5,877 [4],[9],[13],[14]     $ 5,853 [7],[11],[15],[16]            
Cost 5,851 [4],[13],[14]     5,825 [7],[15],[16]            
Fair Value 5,877 [4],[13],[14]     5,824 [7],[15],[16]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,672 [4],[5],[9],[10]     669 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     (3) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     (3) [7],[8],[12]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 669 [4],[5],[9],[10]     1,672 [7],[8],[11],[12]            
Cost (3) [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     (8) [7],[8],[12]            
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,000 [4],[5],[52],[53]     4,000 [7],[8],[54],[55]            
Fair Value 0 [4],[5],[52],[53]     0 [7],[8],[54],[55]            
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,000 [4],[5],[52],[53]     1,000 [7],[8],[54],[55]            
Fair Value 0 [4],[5],[52],[53]     0 [7],[8],[54],[55]            
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 850 [4],[27],[53],[56]     850 [7],[28],[55],[57]            
Fair Value 393 [4],[27],[53],[56]     322 [7],[28],[55],[57]            
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 74,248 [4],[27],[53],[56]     74,248 [7],[28],[55],[57]            
Fair Value 105,878 [4],[27],[53],[56]     104,512 [7],[28],[55],[57]            
Investment, Identifier [Axis]: NM YI, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,272 [4],[53],[56]     6,272 [7],[55],[57]            
Fair Value 8,673 [4],[53],[56]     $ 9,960 [7],[55],[57]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.09% 6.09%          
Interest rate [7],[8],[18],[20]       10.85% 10.85%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 19,259            
Cost [7],[8],[20]       19,106            
Fair Value [7],[8],[20]       $ 19,259            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       6.09% 6.09%          
Interest rate [7],[8],[18],[20]       10.69% 10.69%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 5,012            
Cost [7],[8],[20]       4,996            
Fair Value [7],[8],[20]       $ 5,012            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       6.09% 6.09%          
Interest rate [7],[15],[16],[18]       10.85% 10.85%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 4,913            
Cost [7],[15],[16]       4,874            
Fair Value [7],[15],[16]       4,913            
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 160,000 [4],[5],[27],[53]     160,000 [7],[8],[28],[55]            
Fair Value 160,000 [4],[5],[27],[53]     160,000 [7],[8],[28],[55]            
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 112,400 [4],[5],[27],[53]     112,400 [7],[8],[28],[55]            
Fair Value $ 112,400 [4],[5],[27],[53]     $ 112,400 [7],[8],[28],[55]            
Investment, Identifier [Axis]: National HME, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 5.00% [4],[5],[23],[29],[52],[53] 5.00% [4],[5],[23],[29],[52],[53] 5.00% [4],[5],[23],[29],[52],[53] 5.00% [7],[8],[24],[30],[54],[55] 5.00% [7],[8],[24],[30],[54],[55]          
Interest rate 9.55% [4],[5],[17],[52],[53] 9.55% [4],[5],[17],[52],[53] 9.55% [4],[5],[17],[52],[53] 9.85% [7],[8],[18],[54],[55] 9.85% [7],[8],[18],[54],[55]          
Principal Amount or Par Value $ 8,281 [4],[5],[9],[52],[53]     $ 8,281 [7],[8],[11],[54],[55]            
Cost 7,872 [4],[5],[52],[53]     7,871 [7],[8],[54],[55]            
Fair Value $ 3,000 [4],[5],[52],[53]     $ 3,000 [7],[8],[54],[55]            
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche A Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00%          
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche B Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% 6.00% 6.00% 6.00% 6.00%          
Investment, Identifier [Axis]: Nelipak Holding Company First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       $ 17,109            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       406            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       6,638            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       $ 833            
Investment, Identifier [Axis]: Nelipak Holding Company, Drawn Revolver                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 92                  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[10],[19],[58] 5.50% [4],[5],[10],[19],[58] 5.50% [4],[5],[10],[19],[58] 5.50% [7],[8],[12],[20],[59] 5.50% [7],[8],[12],[20],[59]          
Interest rate 9.66% [4],[5],[10],[17],[19],[58] 9.66% [4],[5],[10],[17],[19],[58] 9.66% [4],[5],[10],[17],[19],[58] 9.86% [7],[8],[12],[18],[20],[59] 9.86% [7],[8],[12],[18],[20],[59]          
Principal Amount or Par Value $ 1,620 [4],[5],[9],[10],[19],[58]     $ 1,097 [7],[8],[11],[12],[20],[59]            
Cost 1,608 [4],[5],[10],[19],[58]     1,089 [7],[8],[12],[20],[59]            
Fair Value $ 1,620 [4],[5],[10],[19],[58]     $ 1,097 [7],[8],[12],[20],[59]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[10] 5.50% [4],[5],[10] 5.50% [4],[5],[10] 5.50% [7],[8],[12] 5.50% [7],[8],[12]          
Interest rate 7.41% [4],[5],[10],[17] 7.41% [4],[5],[10],[17] 7.41% [4],[5],[10],[17] 8.32% [7],[8],[12],[18] 8.32% [7],[8],[12],[18]          
Principal Amount or Par Value   € 78 [4],[5],[9],[10]   $ 392 [7],[8],[11],[12]            
Cost $ 90 [4],[5],[10]     406 [7],[8],[12]            
Fair Value 92 [4],[5],[10]     405 [7],[8],[12]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,501 [4],[5],[9],[10]     3,501 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value | €   6,411 [4],[5],[9],[10],[19],[58]     € 6,411 [7],[8],[11],[12],[20],[59]          
Cost 0 [4],[5],[10],[19],[58]     0 [7],[8],[12],[20],[59]            
Fair Value 0 [4],[5],[10],[19],[58]     0 [7],[8],[12],[20],[59]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 993 [4],[5],[9],[10]       € 804 [7],[8],[11],[12],[20],[59]          
Cost (7) [4],[5],[10]     (6) [7],[8],[12],[20],[59]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12],[20],[59]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value   € 1,118 [4],[5],[9],[10],[19],[58]   1,515 [7],[8],[11],[12]            
Cost (8) [4],[5],[10],[19],[58]     (11) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10],[19],[58]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[19],[58] 5.50% [4],[5],[19],[58] 5.50% [4],[5],[19],[58] 5.50% [7],[8],[20],[59] 5.50% [7],[8],[20],[59]          
Interest rate 7.41% [4],[5],[17],[19],[58] 7.41% [4],[5],[17],[19],[58] 7.41% [4],[5],[17],[19],[58] 8.36% [7],[8],[18],[20],[59] 8.36% [7],[8],[18],[20],[59]          
Principal Amount or Par Value $ 19,243 € 16,399 [4],[5],[9],[19],[58]     € 16,523 [7],[8],[11],[20],[59]          
Cost 17,644 [4],[5],[19],[58]     $ 17,776 [7],[8],[20],[59]            
Fair Value $ 19,241 [4],[5],[19],[58]     $ 17,108 [7],[8],[20],[59]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.50% [4],[13],[14] 5.50% [7],[15],[16] 5.50% [7],[15],[16]          
Interest rate 9.66% [4],[13],[14],[17] 9.66% [4],[13],[14],[17] 9.66% [4],[13],[14],[17] 9.86% [7],[15],[16],[18] 9.86% [7],[15],[16],[18]          
Principal Amount or Par Value $ 8,955 [4],[9],[13],[14]     $ 9,023 [7],[11],[15],[16]            
Cost 8,899 [4],[13],[14]     8,961 [7],[15],[16]            
Fair Value 8,955 [4],[13],[14]     $ 9,023 [7],[15],[16]            
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Delayed Draw Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 7,522                  
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Revolver                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 1,311                  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [4],[14],[23],[53] 12.00% [4],[14],[23],[53] 12.00% [4],[14],[23],[53] 12.00% [7],[16],[24],[55] 12.00% [7],[16],[24],[55]          
Interest rate 12.00% [4],[14],[17],[53] 12.00% [4],[14],[17],[53] 12.00% [4],[14],[17],[53] 12.00% [7],[16],[18],[55] 12.00% [7],[16],[18],[55]          
Principal Amount or Par Value $ 50,388 [4],[9],[14],[53]     $ 46,068 [7],[11],[16],[55]            
Cost 50,388 [4],[14],[53]     46,068 [7],[16],[55]            
Fair Value $ 50,388 [4],[14],[53]     $ 46,068 [7],[16],[55]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [4],[5],[19],[23],[53] 12.00% [4],[5],[19],[23],[53] 12.00% [4],[5],[19],[23],[53] 12.00% [7],[8],[20],[24],[55] 12.00% [7],[8],[20],[24],[55]          
Interest rate 12.00% [4],[5],[17],[19],[53] 12.00% [4],[5],[17],[19],[53] 12.00% [4],[5],[17],[19],[53] 12.00% [7],[8],[18],[20],[55] 12.00% [7],[8],[18],[20],[55]          
Principal Amount or Par Value $ 39,834 [4],[5],[9],[19],[53]     $ 33,155 [7],[8],[11],[20],[55]            
Cost 39,834 [4],[5],[19],[53]     33,155 [7],[8],[20],[55]            
Fair Value $ 39,834 [4],[5],[19],[53]     $ 33,155 [7],[8],[20],[55]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [4],[5],[23],[53] 12.00% [4],[5],[23],[53] 12.00% [4],[5],[23],[53] 12.00% [7],[8],[24],[55] 12.00% [7],[8],[24],[55]          
Interest rate 12.00% [4],[5],[17],[53] 12.00% [4],[5],[17],[53] 12.00% [4],[5],[17],[53] 12.00% [7],[8],[18],[55] 12.00% [7],[8],[18],[55]          
Principal Amount or Par Value $ 26,071 [4],[5],[9],[53]     $ 23,814 [7],[8],[11],[55]            
Cost 25,550 [4],[5],[53]     22,942 [7],[8],[55]            
Fair Value 20,857 [4],[5],[53]     19,051 [7],[8],[55]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Common stock 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[14],[53] 27,154                  
Fair Value [4],[14],[53] 27,721                  
Investment, Identifier [Axis]: New Benevis Topco, LLC, Common stock 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[5],[53] 12,768                  
Fair Value [4],[5],[53] 12,992                  
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[16],[55]       27,154            
Fair Value [7],[16],[55]       28,481            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[8],[55]       12,768            
Fair Value [7],[8],[55]       13,347            
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,155 [4],[5],[53]     11,155 [7],[8],[55]            
Fair Value $ 13,000 [4],[5],[53]     $ 18,900 [7],[8],[55]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.00% [4],[5],[19],[53] 9.00% [4],[5],[19],[53] 9.00% [4],[5],[19],[53] 9.00% [7],[8],[20],[55] 9.00% [7],[8],[20],[55]          
Interest rate 13.26% [4],[5],[17],[19],[53] 13.26% [4],[5],[17],[19],[53] 13.26% [4],[5],[17],[19],[53] 13.59% [7],[8],[18],[20],[55] 13.59% [7],[8],[18],[20],[55]          
Principal Amount or Par Value $ 23,336 [4],[5],[9],[19],[53]     $ 23,336 [7],[8],[11],[20],[55]            
Cost 23,336 [4],[5],[19],[53]     23,336 [7],[8],[20],[55]            
Fair Value $ 23,336 [4],[5],[19],[53]     $ 23,336 [7],[8],[20],[55]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19],[53] 6.00% 6.00% 6.00%              
Interest rate [4],[5],[10],[17],[19],[53] 10.26% 10.26% 10.26%              
Principal Amount or Par Value [4],[5],[9],[10],[19],[53] $ 26,998                  
Cost [4],[5],[10],[19],[53] 26,998                  
Fair Value [4],[5],[10],[19],[53] 26,998                  
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12],[20],[55]       6.00% 6.00%          
Interest rate [7],[8],[12],[18],[20],[55]       10.59% 10.59%          
Principal Amount or Par Value [7],[8],[11],[12],[20],[55]       $ 20,840            
Cost [7],[8],[12],[20],[55]       20,840            
Fair Value [7],[8],[12],[20],[55]       20,840            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,897 [4],[5],[9],[10],[53]     1,055 [7],[8],[11],[12],[55]            
Cost 0 [4],[5],[10],[53]     0 [7],[8],[12],[55]            
Fair Value $ 0 [4],[5],[10],[53]     $ 0 [7],[8],[12],[55]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.25% [4],[13],[14] 5.75% [7],[15],[16] 5.75% [7],[15],[16]          
Interest rate 9.48% [4],[13],[14],[17] 9.48% [4],[13],[14],[17] 9.48% [4],[13],[14],[17] 10.27% [7],[15],[16],[18] 10.27% [7],[15],[16],[18]          
Principal Amount or Par Value $ 6,280 [4],[9],[13],[14]     $ 3,494 [7],[11],[15],[16]            
Cost 6,247 [4],[13],[14]     3,471 [7],[15],[16]            
Fair Value 6,280 [4],[13],[14]     3,494 [7],[15],[16]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       903            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       339            
Cost [7],[8],[12]       (3)            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 903                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 339                  
Cost [4],[5],[10] (3)                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Notorious Topco, LLC , First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 21,816                  
Fair Value $ 13,715                  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[29] 6.75% 6.75% 6.75%              
Interest rate [4],[5],[10],[17] 11.01% 11.01% 11.01%              
Principal Amount or Par Value [4],[5],[9],[10] $ 880                  
Cost [4],[5],[10] 874                  
Fair Value [4],[5],[10] $ 551                  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       880            
Cost [7],[8],[12]       (7)            
Fair Value [7],[8],[12]       $ (71)            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [7],[8],[20],[24] 4.75% [7],[8],[20],[24]          
PIK 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [7],[8],[20],[24] 2.50% [7],[8],[20],[24]          
Interest rate 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.91% [7],[8],[18],[20] 11.91% [7],[8],[18],[20]          
Principal Amount or Par Value $ 10,135 [4],[5],[9],[19]     $ 10,058 [7],[8],[11],[20]            
Cost 10,097 [4],[5],[19]     10,017 [7],[8],[20]            
Fair Value $ 6,345 [4],[5],[19]     $ 9,241 [7],[8],[20]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [7],[8],[20],[24] 4.75% [7],[8],[20],[24]          
PIK 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [7],[8],[20],[24] 2.50% [7],[8],[20],[24]          
Interest rate 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.91% [7],[8],[18],[20] 11.91% [7],[8],[18],[20]          
Principal Amount or Par Value $ 10,008 [4],[5],[9],[19]     $ 9,932 [7],[8],[11],[20]            
Cost 9,968 [4],[5],[19]     9,889 [7],[8],[20]            
Fair Value $ 6,266 [4],[5],[19]     $ 9,126 [7],[8],[20]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [4],[5],[19],[23],[29] 4.75% [7],[8],[20],[24] 4.75% [7],[8],[20],[24]          
PIK 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [4],[5],[19],[23],[29] 2.50% [7],[8],[20],[24] 2.50% [7],[8],[20],[24]          
Interest rate 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.60% [4],[5],[17],[19] 11.91% [7],[8],[18],[20] 11.91% [7],[8],[18],[20]          
Principal Amount or Par Value $ 883 [4],[5],[9],[19]     $ 877 [7],[8],[11],[20]            
Cost 877 [4],[5],[19]     870 [7],[8],[20]            
Fair Value 553 [4],[5],[19]     805 [7],[8],[20]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12],[60]       3,600            
Cost [7],[8],[12],[60]       (36)            
Fair Value [7],[8],[12],[60]       $ 0            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       4.75% 4.75%          
Interest rate [7],[15],[16],[18]       9.11% 9.11%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 31,513            
Cost [7],[15],[16]       31,442            
Fair Value [7],[15],[16]       $ 31,513            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       4.75% 4.75%          
Interest rate [7],[15],[16],[18]       9.11% 9.11%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 27,425            
Cost [7],[15],[16]       27,248            
Fair Value [7],[15],[16]       $ 27,425            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       4.75% 4.75%          
Interest rate [7],[15],[16],[18]       9.11% 9.11%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 1,736            
Cost [7],[15],[16]       1,724            
Fair Value [7],[15],[16]       1,736            
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[8],[60]       2,000            
Fair Value [7],[8],[60]       $ 7,646            
Investment, Identifier [Axis]: OEConnection LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.00% 5.00%          
Interest rate [7],[15],[16],[18]       9.36% 9.36%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 46,430            
Cost [7],[15],[16]       46,214            
Fair Value [7],[15],[16]       46,430            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [5],[9],[10] 5,063                  
Cost [5],[10] (25)                  
Fair Value [5],[10] $ 0                  
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       8,101            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       5,063            
Cost [7],[8],[12]       (25)            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: OEConnection LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 5.25% 5.25% 5.25%              
Interest rate [13],[14],[17] 9.41% 9.41% 9.41%              
Principal Amount or Par Value [9],[13],[14] $ 46,080                  
Cost [13],[14] 45,885                  
Fair Value [13],[14] $ 46,234                  
Investment, Identifier [Axis]: OEConnection LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[19] 5.25% 5.25% 5.25%              
Interest rate [5],[17],[19] 9.41% 9.41% 9.41%              
Principal Amount or Par Value [5],[9],[19] $ 8,040                  
Cost [5],[19] 8,004                  
Fair Value [5],[19] $ 8,067                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,860            
Cost [7],[8],[12]       (23)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       7.75% 7.75%          
Interest rate [7],[15],[16],[18]       12.32% 12.32%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 7,440            
Cost [7],[15],[16]       7,370            
Fair Value [7],[15],[16]       $ 7,440            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       7.75% 7.75%          
Interest rate [7],[8],[18]       12.32% 12.32%          
Principal Amount or Par Value [7],[8],[11]       $ 7,440            
Cost [7],[8]       7,369            
Fair Value [7],[8]       $ 7,440            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       7.25% 7.25%          
Interest rate [7],[8],[18]       11.82% 11.82%          
Principal Amount or Par Value [7],[8],[11]       $ 5,454            
Cost [7],[8]       5,404            
Fair Value [7],[8]       $ 5,454            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[22]       5.50% 5.50%          
Interest rate [7],[18],[22]       10.09% 10.09%          
Principal Amount or Par Value [7],[11],[22]       $ 18,161            
Cost [7],[22]       18,078            
Fair Value [7],[22]       $ 18,161            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [4],[5],[10] 5.50% [4],[5],[10] 5.50% [4],[5],[10] 5.50% [7],[12],[22] 5.50% [7],[12],[22]          
Interest rate 9.81% [4],[5],[10],[17] 9.81% [4],[5],[10],[17] 9.81% [4],[5],[10],[17] 10.00% [7],[12],[18],[22] 10.00% [7],[12],[18],[22]          
Principal Amount or Par Value $ 732 [4],[5],[9],[10]     $ 2,360 [7],[11],[12],[22]            
Cost 728 [4],[5],[10]     2,348 [7],[12],[22]            
Fair Value 732 [4],[5],[10]     2,360 [7],[12],[22]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,098                  
Cost [4],[5],[10] (5)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[11],[12],[22]       1,865            
Cost [7],[12],[22]       0            
Fair Value [7],[12],[22]       0            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,830            
Cost [7],[8],[12]       (9)            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[21] 5.50% 5.50% 5.50%              
Interest rate [4],[17],[21] 9.81% 9.81% 9.81%              
Principal Amount or Par Value [4],[9],[21] $ 22,227                  
Cost [4],[21] 22,133                  
Fair Value [4],[21] $ 22,227                  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 5.50% 5.50% 5.50%              
Interest rate [4],[5],[17],[19] 9.81% 9.81% 9.81%              
Principal Amount or Par Value [4],[5],[9],[19] $ 510                  
Cost [4],[5],[19] 510                  
Fair Value [4],[5],[19] 510                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 486 [4],[5],[9],[10]     486 [7],[8],[11],[12]            
Cost (5) [4],[5],[10]     (5) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[21] 5.75% [4],[21] 5.75% [4],[21] 5.75% [7],[22] 5.75% [7],[22]          
Interest rate 9.95% [4],[17],[21] 9.95% [4],[17],[21] 9.95% [4],[17],[21] 10.26% [7],[18],[22] 10.26% [7],[18],[22]          
Principal Amount or Par Value $ 22,219 [4],[9],[21]     $ 22,388 [7],[11],[22]            
Cost 22,172 [4],[21]     22,332 [7],[22]            
Fair Value $ 22,219 [4],[21]     $ 22,388 [7],[22]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.75% 5.75%          
Interest rate [7],[15],[16],[18]       10.26% 10.26%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 8,258            
Cost [7],[15],[16]       8,258            
Fair Value [7],[15],[16]       $ 8,258            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 5.75% 5.75% 5.75%              
Interest rate [4],[13],[14],[17] 9.95% 9.95% 9.95%              
Principal Amount or Par Value [4],[9],[13],[14] $ 8,196                  
Cost [4],[13],[14] 8,196                  
Fair Value [4],[13],[14] $ 8,196                  
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [4],[5] 0.00% [4],[5] 0.00% [4],[5] 0.00% [7],[8] 0.00% [7],[8]          
Interest rate 0.00% [4],[5],[17] 0.00% [4],[5],[17] 0.00% [4],[5],[17] 0.00% [7],[8],[18] 0.00% [7],[8],[18]          
Principal Amount or Par Value $ 14,500 [4],[5],[9]     $ 14,500 [7],[8],[11]           $ 20,000
Cost 14,500 [4],[5]     14,500 [7],[8]            
Fair Value 6,525 [4],[5]     $ 6,525 [7],[8]            
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [30],[61]       0.00% 0.00%          
Interest rate [18],[30],[61]       0.00% 0.00%          
Principal Amount or Par Value 0 [9],[29],[62]     $ 0 [11],[30],[61]            
Cost 0 [29],[62]     0 [30],[61]            
Fair Value $ 0 [29],[62]     $ 0 [30],[61]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.25% 5.25%          
Interest rate [7],[15],[16],[18]       9.61% 9.61%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 7,654            
Cost [7],[15],[16]       7,635            
Fair Value [7],[15],[16]       $ 7,635            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [5],[10],[19] 5.25% [5],[10],[19] 5.25% [5],[10],[19] 5.25% [7],[8],[12],[20] 5.25% [7],[8],[12],[20]          
Interest rate 9.25% [5],[10],[17],[19] 9.25% [5],[10],[17],[19] 9.25% [5],[10],[17],[19] 9.80% [7],[8],[12],[18],[20] 9.80% [7],[8],[12],[18],[20]          
Principal Amount or Par Value $ 312 [5],[9],[10],[19]     $ 258 [7],[8],[11],[12],[20]            
Cost 312 [5],[10],[19]     258 [7],[8],[12],[20]            
Fair Value 312 [5],[10],[19]     258 [7],[8],[12],[20]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [5],[9],[10] 589                  
Cost [5],[10] (1)                  
Fair Value [5],[10] $ 0                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       643            
Cost [7],[8],[12]       (2)            
Fair Value [7],[8],[12]       (2)            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,201            
Cost [7],[8],[12]       (3)            
Fair Value [7],[8],[12]       $ (3)            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 5.25% 5.25% 5.25%              
Interest rate [13],[14],[17] 9.56% 9.56% 9.56%              
Principal Amount or Par Value [9],[13],[14] $ 7,596                  
Cost [13],[14] 7,579                  
Fair Value [13],[14] $ 7,596                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5] 5.25% 5.25% 5.25%              
Interest rate [5],[17] 9.48% 9.48% 9.48%              
Principal Amount or Par Value [5],[9] $ 622                  
Cost [5] 619                  
Fair Value [5] $ 621                  
Investment, Identifier [Axis]: Permian Trust, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [4],[5],[23],[29],[39] 10.00% [4],[5],[23],[29],[39] 10.00% [4],[5],[23],[29],[39] 10.00% [7],[8],[24],[30],[40] 10.00% [7],[8],[24],[30],[40]          
Interest rate 11.00% [4],[5],[17],[39] 11.00% [4],[5],[17],[39] 11.00% [4],[5],[17],[39] 11.00% [7],[8],[18],[40] 11.00% [7],[8],[18],[40]          
Principal Amount or Par Value $ 3,409 [4],[5],[9],[39]     $ 3,409 [7],[8],[11],[40]            
Cost 0 [4],[5],[39]     0 [7],[8],[40]            
Fair Value $ 0 [4],[5],[39]     $ 0 [7],[8],[40]            
Investment, Identifier [Axis]: Permian Trust, Trust Claim                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [4],[23],[29],[39],[63] 10.00% [4],[23],[29],[39],[63] 10.00% [4],[23],[29],[39],[63] 10.00% [7],[24],[30],[40],[64] 10.00% [7],[24],[30],[40],[64]          
Interest rate 10.00% [4],[17],[39],[63] 10.00% [4],[17],[39],[63] 10.00% [4],[17],[39],[63] 10.00% [7],[18],[40],[64] 10.00% [7],[18],[40],[64]          
Principal Amount or Par Value $ 247 [4],[9],[39],[63]     $ 247 [7],[11],[40],[64]            
Cost 0 [4],[39],[63]     0 [7],[40],[64]            
Fair Value $ 0 [4],[39],[63]     $ 0 [7],[40],[64]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [4],[5],[19] 6.00% [4],[5],[19] 6.00% [4],[5],[19] 6.00% [7],[15],[16] 6.00% [7],[15],[16]          
Interest rate 10.16% [4],[5],[17],[19] 10.16% [4],[5],[17],[19] 10.16% [4],[5],[17],[19] 10.36% [7],[15],[16],[18] 10.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 27,932 [4],[5],[9],[19]     $ 28,145 [7],[11],[15],[16]            
Cost 27,708 [4],[5],[19]     27,895 [7],[15],[16]            
Fair Value 26,717 [4],[5],[19]     28,145 [7],[15],[16]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,708 [4],[5],[9],[10]     3,708 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value (161) [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,708 [4],[5],[9],[10]     3,708 [7],[8],[11],[12]            
Cost (37) [4],[5],[10]     (37) [7],[8],[12]            
Fair Value (161) [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,284 [4],[5],[9],[10],[65]     3,284 [7],[8],[11],[12],[66]            
Cost (26) [4],[5],[10],[65]     (26) [7],[8],[12],[66]            
Fair Value $ 0 [4],[5],[10],[65]     $ 0 [7],[8],[12],[66]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [4],[5],[19] 6.00% [4],[5],[19] 6.00% [4],[5],[19] 6.50% [7],[8],[20] 6.50% [7],[8],[20]          
Interest rate 10.00% [4],[5],[17],[19] 10.00% [4],[5],[17],[19] 10.00% [4],[5],[17],[19] 10.83% [7],[8],[18],[20] 10.83% [7],[8],[18],[20]          
Principal Amount or Par Value $ 23,089 [4],[5],[9],[19]     $ 23,089 [7],[8],[11],[20]            
Cost 23,012 [4],[5],[19]     22,997 [7],[8],[20]            
Fair Value $ 23,089 [4],[5],[19]     $ 23,089 [7],[8],[20]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [4],[5] 6.00% [4],[5] 6.00% [4],[5] 6.50% [7],[8],[20] 6.50% [7],[8],[20]          
Interest rate 10.00% [4],[5],[17] 10.00% [4],[5],[17] 10.00% [4],[5],[17] 10.83% [7],[8],[18],[20] 10.83% [7],[8],[18],[20]          
Principal Amount or Par Value $ 2,374 [4],[5],[9]     $ 2,374 [7],[8],[11],[20]            
Cost 2,366 [4],[5]     2,364 [7],[8],[20]            
Fair Value 2,374 [4],[5]     2,374 [7],[8],[20]            
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Class A-2 common units                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [4],[65],[67] 2,000                  
Fair Value [4],[65],[67] $ 2,086                  
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[66],[68]       2,000            
Fair Value [7],[66],[68]       $ 2,000            
Investment, Identifier [Axis]: Planview Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [4],[5],[19] 5.75% [15],[16] 5.75% [15],[16]          
Interest rate 9.75% [4],[5],[17],[19] 9.75% [4],[5],[17],[19] 9.75% [4],[5],[17],[19] 10.08% [15],[16],[18] 10.08% [15],[16],[18]          
Principal Amount or Par Value $ 9,231 [4],[5],[9],[19]     $ 9,231 [11],[15],[16]            
Cost 9,211 [4],[5],[19]     9,208 [15],[16]            
Fair Value $ 8,952 [4],[5],[19]     $ 9,208 [15],[16]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[21] 4.75% [4],[21] 4.75% [4],[21] 4.75% [7],[22] 4.75% [7],[22]          
Interest rate 8.75% [4],[17],[21] 8.75% [4],[17],[21] 8.75% [4],[17],[21] 9.08% [7],[18],[22] 9.08% [7],[18],[22]          
Principal Amount or Par Value $ 22,218 [4],[9],[21]     $ 22,387 [7],[11],[22]            
Cost 22,076 [4],[21]     22,228 [7],[22]            
Fair Value $ 22,218 [4],[21]     22,387 [7],[22]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[10],[17] 9.67% 9.67% 9.67%              
Principal Amount or Par Value [4],[5],[9],[10] $ 515                  
Cost [4],[5],[10] 510                  
Fair Value [4],[5],[10] 515                  
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,775 [4],[5],[9],[10]     4,289 [7],[8],[11],[12]            
Cost (38) [4],[5],[10]     (43) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [4],[35] 5.25% [4],[35] 5.25% [4],[35] 5.25% [7],[34] 5.25% [7],[34]          
Interest rate 9.41% [4],[17],[35] 9.41% [4],[17],[35] 9.41% [4],[17],[35] 9.61% [7],[18],[34] 9.61% [7],[18],[34]          
Principal Amount or Par Value $ 10,440 [4],[9],[35]     $ 10,519 [7],[11],[34]            
Cost 10,396 [4],[35]     10,470 [7],[34]            
Fair Value 10,441 [4],[35]     10,519 [7],[34]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,510 [4],[5],[9],[10]     1,510 [7],[8],[11],[12]            
Cost (8) [4],[5],[10]     (8) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24]       9.50% 9.50%          
Interest rate [7],[8],[18]       14.10% 14.10%          
Cost [7],[8]       $ 15,929            
Fair Value [7],[8]       $ 14,833            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [15],[16]       5.00% 5.00%          
Interest rate [15],[16],[18]       9.36% 9.36%          
Principal Amount or Par Value [11],[15],[16]       $ 3,970            
Cost [15],[16]       3,970            
Fair Value [15],[16]       $ 3,934            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 5.00% 5.00% 5.00%              
Interest rate [13],[14],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [9],[13],[14] $ 3,939                  
Cost [13],[14] 3,939                  
Fair Value [13],[14] $ 3,315                  
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 4.25% 4.25% 4.25%              
Interest rate [13],[14],[17] 8.53% 8.53% 8.53%              
Principal Amount or Par Value [9],[13],[14] $ 1,067                  
Cost [13],[14] 883                  
Fair Value [13],[14] $ 883                  
Investment, Identifier [Axis]: RailPros Parent, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 4.50% 4.50% 4.50%              
Interest rate [4],[13],[14],[17] 8.70% 8.70% 8.70%              
Principal Amount or Par Value [4],[9],[13],[14] $ 5,843                  
Cost [4],[13],[14] 5,815                  
Fair Value [4],[13],[14] 5,813                  
Investment, Identifier [Axis]: RailPros Parent, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 899                  
Cost [4],[5],[10] (4)                  
Fair Value [4],[5],[10] (4)                  
Investment, Identifier [Axis]: RailPros Parent, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,798                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] (9)                  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[16]       0.00% 0.00%          
Interest rate [7],[16],[18]       0.00% 0.00%          
Principal Amount or Par Value 152 [4],[9],[14]     $ 152 [7],[11],[16]            
Cost 152 [4],[14]     152 [7],[16]            
Fair Value 152 [4],[14]     $ 152 [7],[16]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       0.00% 0.00%          
Interest rate [7],[8],[18]       0.00% 0.00%          
Principal Amount or Par Value 52 [4],[5],[9]     $ 52 [7],[8],[11]            
Cost 52 [4],[5]     52 [7],[8]            
Fair Value 52 [4],[5]     52 [7],[8]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 182 [4],[14]     182 [7],[16]            
Fair Value 272 [4],[14]     327 [7],[16]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 62 [4],[5]     62 [7],[8]            
Fair Value 93 [4],[5]     112 [7],[8]            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       6,349            
Cost [7],[8],[12]       0            
Fair Value [7],[8],[12]       0            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 6,349                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Rithum Holdings, Inc. (fka CommerceHub, Inc.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [13],[14] 4.75% 4.75% 4.75%              
Interest rate [13],[14],[17] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [9],[13],[14] $ 7,111                  
Cost [13],[14] 6,971                  
Fair Value [13],[14] $ 7,118                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       384            
Cost [7],[8],[12]       (2)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% [4],[5],[10] 3.75% [4],[5],[10] 3.75% [4],[5],[10] 4.25% [7],[8],[12] 4.25% [7],[8],[12]          
Interest rate 11.00% [4],[5],[10],[17] 11.00% [4],[5],[10],[17] 11.00% [4],[5],[10],[17] 11.75% [7],[8],[12],[18] 11.75% [7],[8],[12],[18]          
Principal Amount or Par Value $ 166 [4],[5],[9],[10]     $ 128 [7],[8],[11],[12]            
Cost 165 [4],[5],[10]     127 [7],[8],[12]            
Fair Value $ 166 [4],[5],[10]     $ 128 [7],[8],[12]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[13],[14] 4.75% [4],[13],[14] 4.75% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 8.91% [4],[13],[14],[17] 9.72% [7],[15],[16],[18] 9.72% [7],[15],[16],[18]          
Principal Amount or Par Value $ 7,390 [4],[9],[13],[14]     $ 7,446 [7],[11],[15],[16]            
Cost 7,375 [4],[13],[14]     7,425 [7],[15],[16]            
Fair Value $ 7,390 [4],[13],[14]     $ 7,446 [7],[15],[16]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19] 4.75% [4],[5],[19] 4.75% [4],[5],[19] 5.25% [7],[8],[20] 5.25% [7],[8],[20]          
Interest rate 8.91% [4],[5],[17],[19] 8.91% [4],[5],[17],[19] 8.91% [4],[5],[17],[19] 9.72% [7],[8],[18],[20] 9.72% [7],[8],[18],[20]          
Principal Amount or Par Value $ 1,511 [4],[5],[9],[19]     $ 1,523 [7],[8],[11],[20]            
Cost 1,511 [4],[5],[19]     1,523 [7],[8],[20]            
Fair Value 1,511 [4],[5],[19]     $ 1,523 [7],[8],[20]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien- Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 345                  
Cost [4],[5],[10] (2)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [4],[13],[14] 6.00% [4],[13],[14] 6.00% [4],[13],[14] 6.75% [7],[8],[20] 6.75% [7],[8],[20]          
Interest rate 10.00% [4],[13],[14],[17] 10.00% [4],[13],[14],[17] 10.00% [4],[13],[14],[17] 11.34% [7],[8],[18],[20] 11.34% [7],[8],[18],[20]          
Principal Amount or Par Value $ 21,411 [4],[9],[13],[14]     $ 42,450 [7],[8],[11],[20]            
Cost 21,260 [4],[13],[14]     38,840 [7],[8],[20]            
Fair Value 21,250 [4],[13],[14]     42,450 [7],[8],[20]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 2,717                  
Cost [4],[5],[10] (20)                  
Fair Value [4],[5],[10] (20)                  
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,501 [4],[14],[39]     11,501 [7],[16],[40]            
Fair Value 1,799 [4],[14],[39]     1,799 [7],[16],[40]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,282 [4],[5],[39]     1,282 [7],[8],[40]            
Fair Value 201 [4],[5],[39]     $ 201 [7],[8],[40]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[12],[20]       4.00% 4.00%          
Interest rate [7],[8],[12],[18],[20]       9.04% 9.04%          
Principal Amount or Par Value [7],[8],[11],[12],[20]       $ 324            
Cost [7],[8],[12],[20]       319            
Fair Value [7],[8],[12],[20]       315            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       235            
Cost [7],[8],[12]       (4)            
Fair Value [7],[8],[12]       $ (7)            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.75% 5.75%          
Interest rate [7],[15],[16],[18]       10.60% 10.60%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 10,247            
Cost [7],[15],[16]       10,167            
Fair Value [7],[15],[16]       $ 9,953            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.75% 5.75%          
Interest rate [7],[8],[18],[20]       10.66% 10.66%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 77            
Cost [7],[8],[20]       76            
Fair Value [7],[8],[20]       $ 75            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc.                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 24,733                  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[22],[24]       10.50% 10.50%          
Interest rate [7],[18],[22]       14.97% 14.97%          
Cost [7],[22]       $ 16,363            
Fair Value [7],[22]       $ 16,450            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[20],[24]       10.50% 10.50%          
Interest rate [7],[8],[18],[20]       14.97% 14.97%          
Cost [7],[8],[20]       $ 5,641            
Fair Value [7],[8],[20]       $ 5,671            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Series A preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[21],[23] 10.50% 10.50% 10.50%              
Interest rate [4],[17],[21] 14.65% 14.65% 14.65%              
Cost [4],[21] $ 18,280                  
Fair Value [4],[21] $ 17,609                  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Series A preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[5],[19],[23] 10.50% 10.50% 10.50%              
Interest rate [4],[5],[17],[19] 14.65% 14.65% 14.65%              
Cost [4],[5],[19] $ 6,302                  
Fair Value [4],[5],[19] 6,070                  
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[22]       8.00% 8.00%          
Interest rate [7],[18],[22]       12.89% 12.89%          
Principal Amount or Par Value [7],[11],[22]       $ 22,500            
Cost [7],[22]       22,397            
Fair Value [7],[22]       $ 22,500            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       8.00% 8.00%          
Interest rate [7],[15],[16],[18]       12.89% 12.89%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 5,697            
Cost [7],[15],[16]       5,706            
Fair Value [7],[15],[16]       5,697            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,695 [4],[5],[9],[10]     2,695 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     0 [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[14],[23] 2.00% 2.00% 2.00%              
PIK 3.25% [4],[14],[23] 3.25% [4],[14],[23] 3.25% [4],[14],[23] 5.25% [7],[16],[24] 5.25% [7],[16],[24]          
Interest rate 9.41% [4],[14],[17] 9.41% [4],[14],[17] 9.41% [4],[14],[17] 9.59% [7],[16],[18] 9.59% [7],[16],[18]          
Principal Amount or Par Value $ 12,631 [4],[9],[14]     $ 12,327 [7],[11],[16]            
Cost 12,153 [4],[14]     11,782 [7],[16]            
Fair Value $ 8,161 [4],[14]     $ 10,402 [7],[16]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19],[23] 2.00% 2.00% 2.00%              
PIK 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 3.25% [4],[5],[19],[23] 5.25% [7],[8],[24] 5.25% [7],[8],[24]          
Interest rate 9.41% [4],[5],[17],[19] 9.41% [4],[5],[17],[19] 9.41% [4],[5],[17],[19] 9.59% [7],[8],[18] 9.59% [7],[8],[18]          
Principal Amount or Par Value $ 10,169 [4],[5],[9],[19]     $ 9,925 [7],[8],[11]            
Cost 10,076 [4],[5],[19]     9,818 [7],[8]            
Fair Value $ 6,570 [4],[5],[19]     $ 8,374 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 1.00% [4],[5],[19],[23] 2.00% [7],[8],[24] 2.00% [7],[8],[24]          
PIK 3.00% [4],[5],[19],[23] 3.00% [4],[5],[19],[23] 3.00% [4],[5],[19],[23] 1.00% [7],[8],[24] 1.00% [7],[8],[24]          
Interest rate 8.16% [4],[5],[17],[19] 8.16% [4],[5],[17],[19] 8.16% [4],[5],[17],[19] 7.34% [7],[8],[18] 7.34% [7],[8],[18]          
Principal Amount or Par Value $ 4,036 [4],[5],[9],[19]     $ 2,843 [7],[8],[11]            
Cost 2,794 [4],[5],[19]     2,317 [7],[8]            
Fair Value $ 2,581 [4],[5],[19]     $ 2,351 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.00% [4],[14],[23] 11.00% [4],[14],[23] 11.00% [4],[14],[23] 11.00% [7],[16],[24] 11.00% [7],[16],[24]          
Interest rate 11.00% [4],[14],[17] 11.00% [4],[14],[17] 11.00% [4],[14],[17] 11.00% [7],[16],[18] 11.00% [7],[16],[18]          
Principal Amount or Par Value $ 328 [4],[9],[14]     $ 302 [7],[11],[16]            
Cost 328 [4],[14]     302 [7],[16]            
Fair Value $ 328 [4],[14]     $ 302 [7],[16]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.00% [4],[5],[23] 11.00% [4],[5],[23] 11.00% [4],[5],[23] 11.00% [7],[8],[24] 11.00% [7],[8],[24]          
Interest rate 11.00% [4],[5],[17] 11.00% [4],[5],[17] 11.00% [4],[5],[17] 11.00% [7],[8],[18] 11.00% [7],[8],[18]          
Principal Amount or Par Value $ 316 [4],[5],[9]     $ 291 [7],[8],[11]            
Cost 316 [4],[5]     291 [7],[8]            
Fair Value 316 [4],[5]     $ 291 [7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Class B-1 Common Shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 48,080                  
Cost [4],[5],[39] 43,212                  
Fair Value [4],[5],[39] 40,481                  
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Class B-2 Common Shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 29,707                  
Cost [4],[5],[39] 24,839                  
Fair Value [4],[5],[39] $ 0                  
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[40]       12.00% 12.00%          
Interest rate [7],[8],[18],[40]       12.00% 12.00%          
Cost [7],[8],[40]       $ 66,651            
Fair Value [7],[8],[40]       $ 59,978            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[40]       15.00% 15.00%          
Interest rate [7],[8],[18],[40]       15.00% 15.00%          
Cost [7],[8],[40]       $ 7,525            
Fair Value [7],[8],[40]       $ 9,352            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Series C-2 Preferred Units                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[5],[23],[39] 15.00% 15.00% 15.00%              
Interest rate [4],[5],[17],[39] 15.00% 15.00% 15.00%              
Cost [4],[5],[39] $ 8,404                  
Fair Value [4],[5],[39] $ 8,404                  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20],[24],[28]       3.50% 3.50%          
PIK [7],[8],[20],[24],[28]       2.00% 2.00%          
Interest rate [7],[8],[18],[20],[28]       10.76% 10.76%          
Principal Amount or Par Value [7],[8],[11],[20],[28]       $ 19,418            
Cost [7],[8],[20],[28]       19,326            
Fair Value [7],[8],[20],[28]       $ 19,321            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19],[23] 3.50% 3.50% 3.50%              
PIK [4],[5],[19],[23] 2.00% 2.00% 2.00%              
Interest rate [4],[5],[17],[19] 9.65% 9.65% 9.65%              
Principal Amount or Par Value [4],[5],[9],[19] $ 19,815                  
Cost [4],[5],[19] 19,852                  
Fair Value [4],[5],[19] $ 19,815                  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14],[23] 3.50% 3.50% 3.50%              
PIK [4],[13],[14],[23] 2.00% 2.00% 2.00%              
Interest rate [4],[13],[14],[17] 9.65% 9.65% 9.65%              
Principal Amount or Par Value [4],[9],[13],[14] $ 16,245                  
Cost [4],[13],[14] 16,245                  
Fair Value [4],[13],[14] $ 16,245                  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14],[23] 3.50% 3.50% 3.50%              
PIK [4],[13],[14],[23] 2.00% 2.00% 2.00%              
Interest rate [4],[13],[14],[17] 9.74% 9.74% 9.74%              
Principal Amount or Par Value [4],[9],[13],[14] $ 881                  
Cost [4],[13],[14] 881                  
Fair Value [4],[13],[14] $ 881                  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16],[24]       3.38% 3.38%          
PIK [7],[15],[16],[24]       3.38% 3.38%          
Interest rate [7],[15],[16],[18]       11.47% 11.47%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 29,868            
Cost [7],[15],[16]       29,689            
Fair Value [7],[15],[16]       $ 29,868            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [4],[10],[14],[23] 3.38% [4],[10],[14],[23] 3.38% [4],[10],[14],[23] 3.38% [7],[12],[16],[24] 3.38% [7],[12],[16],[24]          
PIK 3.38% [4],[10],[14],[23] 3.38% [4],[10],[14],[23] 3.38% [4],[10],[14],[23] 3.38% [7],[12],[16],[24] 3.38% [7],[12],[16],[24]          
Interest rate 11.20% [4],[10],[14],[17] 11.20% [4],[10],[14],[17] 11.20% [4],[10],[14],[17] 11.47% [7],[12],[16],[18] 11.47% [7],[12],[16],[18]          
Principal Amount or Par Value $ 3,273 [4],[9],[10],[14]     $ 2,440 [7],[11],[12],[16]            
Cost 3,273 [4],[10],[14]     2,440 [7],[12],[16]            
Fair Value 3,273 [4],[10],[14]     2,440 [7],[12],[16]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 468 [4],[9],[10],[14]     1,301 [7],[11],[12],[16]            
Cost 0 [4],[10],[14]     0 [7],[12],[16]            
Fair Value 0 [4],[10],[14]     0 [7],[12],[16]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 46 [4],[5],[9],[10]     4,267 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     (43) [7],[8],[12]            
Fair Value 0 [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 4,267                  
Cost [4],[5],[10] (43)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19],[23] 3.38% 3.38% 3.38%              
PIK [4],[5],[19],[23] 3.38% 3.38% 3.38%              
Interest rate [4],[5],[17],[19] 11.20% 11.20% 11.20%              
Principal Amount or Par Value [4],[5],[9],[19] $ 29,868                  
Cost [4],[5],[19] 29,714                  
Fair Value [4],[5],[19] $ 29,868                  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19],[23] 3.38% 3.38% 3.38%              
PIK [4],[5],[19],[23] 3.38% 3.38% 3.38%              
Interest rate [4],[5],[17],[19] 11.11% 11.11% 11.11%              
Principal Amount or Par Value [4],[5],[9],[19] $ 3,054                  
Cost [4],[5],[19] 3,032                  
Fair Value [4],[5],[19] 3,054                  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,501                  
Cost [4],[5],[10] (15)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[11],[12],[15],[16]       785            
Cost [7],[12],[15],[16]       0            
Fair Value [7],[12],[15],[16]       0            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[11],[12]       1,501            
Cost [7],[8],[12]       (15)            
Fair Value [7],[8],[12]       $ 0            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% [4],[13],[14] 4.25% [4],[13],[14] 4.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 8.48% [4],[13],[14],[17] 8.48% [4],[13],[14],[17] 8.48% [4],[13],[14],[17] 9.76% [7],[15],[16],[18] 9.76% [7],[15],[16],[18]          
Principal Amount or Par Value $ 15,343 [4],[9],[13],[14]     $ 15,382 [7],[11],[15],[16]            
Cost 15,280 [4],[13],[14]     15,303 [7],[15],[16]            
Fair Value $ 15,343 [4],[13],[14]     $ 15,382 [7],[15],[16]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% [4],[13],[14] 4.25% [4],[13],[14] 4.25% [4],[13],[14] 5.25% [7],[15],[16] 5.25% [7],[15],[16]          
Interest rate 8.43% [4],[13],[14],[17] 8.43% [4],[13],[14],[17] 8.43% [4],[13],[14],[17] 9.94% [7],[15],[16],[18] 9.94% [7],[15],[16],[18]          
Principal Amount or Par Value $ 5,145 [4],[9],[13],[14]     $ 4,467 [7],[11],[15],[16]            
Cost 5,118 [4],[13],[14]     4,438 [7],[15],[16]            
Fair Value 5,145 [4],[13],[14]     4,467 [7],[15],[16]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 893 [4],[5],[9],[10]     893 [7],[8],[11],[12]            
Cost (9) [4],[5],[10]     (9) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [4],[5],[19] 5.00% [7],[8],[20] 5.00% [7],[8],[20]          
Interest rate 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.16% [4],[5],[17],[19] 9.36% [7],[8],[18],[20] 9.36% [7],[8],[18],[20]          
Principal Amount or Par Value $ 6,930 [4],[5],[9],[19]     $ 6,984 [7],[8],[11],[20]            
Cost 6,897 [4],[5],[19]     6,946 [7],[8],[20]            
Fair Value $ 6,930 [4],[5],[19]     $ 6,984 [7],[8],[20]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [4],[13],[14] 5.00% [7],[15],[16] 5.00% [7],[15],[16]          
Interest rate 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.16% [4],[13],[14],[17] 9.36% [7],[15],[16],[18] 9.36% [7],[15],[16],[18]          
Principal Amount or Par Value $ 5,498 [4],[9],[13],[14]     $ 5,541 [7],[11],[15],[16]            
Cost 5,473 [4],[13],[14]     5,512 [7],[15],[16]            
Fair Value $ 5,498 [4],[13],[14]     5,541 [7],[15],[16]            
Investment, Identifier [Axis]: Ultimus Group Midco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[5],[9],[19] $ 9,116                  
Cost [4],[5],[19] 9,071                  
Fair Value [4],[5],[19] 9,070                  
Investment, Identifier [Axis]: Ultimus Group Midco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 3,039                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: Ultimus Group Midco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,139                  
Cost [4],[5],[10] (6)                  
Fair Value [4],[5],[10] (6)                  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,925 [4],[14],[53]     1,925 [7],[16],[55]            
Fair Value 0 [4],[14],[53]     0 [7],[16],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 532 [4],[5],[53]     532 [7],[8],[55]            
Fair Value $ 0 [4],[5],[53]     $ 0 [7],[8],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 20.00% [4],[5],[23],[53] 20.00% [4],[5],[23],[53] 20.00% [4],[5],[23],[53] 20.00% [7],[8],[24],[55] 20.00% [7],[8],[24],[55]          
Interest rate 20.00% [4],[5],[17],[53] 20.00% [4],[5],[17],[53] 20.00% [4],[5],[17],[53] 20.00% [7],[8],[18],[55] 20.00% [7],[8],[18],[55]          
Cost $ 58,091 [4],[5],[53]     $ 22,803 [7],[8],[55]            
Fair Value 61,415 [4],[5],[53]     $ 20,646 [7],[8],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[55]       20.00% 20.00%          
Interest rate [7],[8],[18],[55]       20.00% 20.00%          
Cost 29,318 [4],[5],[53]     $ 13,553 [7],[8],[55]            
Fair Value 8,675 [4],[5],[53]     $ 12,682 [7],[8],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[30],[55]       19.00% 19.00%          
Interest rate [7],[8],[18],[55]       19.00% 19.00%          
Cost 26,946 [4],[14],[53]     $ 19,795 [7],[8],[55]            
Fair Value 0 [4],[14],[53]     $ 3,080 [7],[8],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[16],[24],[30],[55]       13.50% 13.50%          
Interest rate [7],[16],[18],[55]       13.50% 13.50%          
Cost 7,447 [4],[5],[53]     $ 26,946 [7],[16],[55]            
Fair Value $ 0 [4],[5],[53]     $ 0 [7],[16],[55]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[30],[55]       13.50% 13.50%          
Interest rate [7],[8],[18],[55]       13.50% 13.50%          
Cost [7],[8],[55]       $ 7,447            
Fair Value [7],[8],[55]       $ 0            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[55]       15.00% 15.00%          
Interest rate [7],[8],[18],[55]       15.00% 15.00%          
Principal Amount or Par Value [7],[8],[11],[55]       $ 15,608            
Cost [7],[8],[55]       15,608            
Fair Value [7],[8],[55]       $ 15,459            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24],[55]       15.00% 15.00%          
Interest rate [7],[8],[18],[55]       15.00% 15.00%          
Principal Amount or Par Value [7],[8],[11],[55]       $ 6,919            
Cost [7],[8],[55]       6,919            
Fair Value [7],[8],[55]       6,853            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[8],[55]       0            
Fair Value [7],[8],[55]       $ 48,804            
Investment, Identifier [Axis]: Vehlo Purchaser, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 5.00% 5.00% 5.00%              
Interest rate [4],[5],[10],[17] 9.16% 9.16% 9.16%              
Principal Amount or Par Value [4],[5],[9],[10] $ 6,073                  
Cost [4],[5],[10] 6,032                  
Fair Value [4],[5],[10] 6,042                  
Investment, Identifier [Axis]: Vehlo Purchaser, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 3,897                  
Cost [4],[5],[10] (39)                  
Fair Value [4],[5],[10] (19)                  
Investment, Identifier [Axis]: Viper Bidco,Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 16,059                  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [4],[5],[19],[58] 4.75% [4],[5],[19],[58] 4.75% [4],[5],[19],[58] 5.00% [7],[8],[20],[59] 5.00% [7],[8],[20],[59]          
Interest rate 8.72% [4],[5],[17],[19],[58] 8.72% [4],[5],[17],[19],[58] 8.72% [4],[5],[17],[19],[58] 9.70% [7],[8],[18],[20],[59] 9.70% [7],[8],[18],[20],[59]          
Principal Amount or Par Value     £ 11,940 [4],[5],[9],[19],[58] $ 12,030 [7],[8],[11],[20],[59]            
Cost $ 15,066 [4],[5],[19],[58]     15,181 [7],[8],[20],[59]            
Fair Value 15,979 [4],[5],[19],[58]     14,981 [7],[8],[20],[59]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,320 [4],[5],[9],[10]     4,150 [7],[8],[11],[12]            
Cost (17) [4],[5],[10]     0 [7],[8],[12]            
Fair Value (17) [4],[5],[10]     0 [7],[8],[12]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,150 [4],[5],[9],[10]     3,320 [7],[8],[11],[12]            
Cost 0 [4],[5],[10]     (17) [7],[8],[12]            
Fair Value $ (21) [4],[5],[10]     (17) [7],[8],[12]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       15,057            
Investment, Identifier [Axis]: WEG Sub Intermediate Holdings, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [4],[5],[23] 13.00% 13.00% 13.00%              
Interest rate [4],[5],[17] 13.00% 13.00% 13.00%              
Principal Amount or Par Value [4],[5],[9] $ 4,515                  
Cost [4],[5] 4,472                  
Fair Value [4],[5] 4,515                  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,040 [4],[5],[9],[10]     2,040 [7],[8],[11],[12]            
Cost (6) [4],[5],[10]     (6) [7],[8],[12]            
Fair Value $ 0 [4],[5],[10]     $ 0 [7],[8],[12]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.00% 5.00%          
Interest rate [7],[15],[16],[18]       9.55% 9.55%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 15,593            
Cost [7],[15],[16]       15,565            
Fair Value [7],[15],[16]       $ 15,593            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.00% 5.00%          
Interest rate [7],[8],[18],[20]       9.55% 9.55%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 11,908            
Cost [7],[8],[20]       11,887            
Fair Value [7],[8],[20]       $ 11,908            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15],[16]       5.00% 5.00%          
Interest rate [7],[15],[16],[18]       9.55% 9.55%          
Principal Amount or Par Value [7],[11],[15],[16]       $ 6,659            
Cost [7],[15],[16]       6,644            
Fair Value [7],[15],[16]       $ 6,659            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.00% 5.00%          
Interest rate [7],[8],[18],[20]       9.50% 9.50%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 1,228            
Cost [7],[8],[20]       1,221            
Fair Value [7],[8],[20]       $ 1,228            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[20]       5.00% 5.00%          
Interest rate [7],[8],[18],[20]       9.56% 9.56%          
Principal Amount or Par Value [7],[8],[11],[20]       $ 824            
Cost [7],[8],[20]       819            
Fair Value [7],[8],[20]       $ 824            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[24]       13.00% 13.00%          
Interest rate [7],[8],[18]       13.00% 13.00%          
Principal Amount or Par Value [7],[8],[11]       $ 4,231            
Cost [7],[8]       4,185            
Fair Value [7],[8]       $ 4,231            
Investment, Identifier [Axis]: Xactly Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [4],[21] 6.25% [4],[21] 6.25% [4],[21] 6.25% [7],[22] 6.25% [7],[22]          
Interest rate 10.55% [4],[17],[21] 10.55% [4],[17],[21] 10.55% [4],[17],[21] 10.86% [7],[18],[22] 10.86% [7],[18],[22]          
Principal Amount or Par Value $ 22,500 [4],[9],[21]     $ 22,500 [7],[11],[22]            
Cost 22,487 [4],[21]     22,483 [7],[22]            
Fair Value 22,241 [4],[21]     22,250 [7],[22]            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 992 [4],[5],[9],[10]     992 [7],[8],[11],[12]            
Cost (10) [4],[5],[10]     (10) [7],[8],[12]            
Fair Value $ (11) [4],[5],[10]     $ (11) [7],[8],[12]            
Investment, Identifier [Axis]: YLG Holding, Inc, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[13],[14] 4.75% 4.75% 4.75%              
Interest rate [4],[13],[14],[17] 9.04% 9.04% 9.04%              
Principal Amount or Par Value [4],[9],[13],[14] $ 4,320                  
Cost [4],[13],[14] 4,299                  
Fair Value [4],[13],[14] $ 4,320                  
Investment, Identifier [Axis]: YLG Holding, Inc, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[10],[17] 8.75% 8.75% 8.75%              
Principal Amount or Par Value [4],[5],[9],[10] $ 19                  
Cost [4],[5],[10] 18                  
Fair Value [4],[5],[10] $ 19                  
Investment, Identifier [Axis]: YLG Holding, Inc, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[10],[17] 8.97% 8.97% 8.97%              
Principal Amount or Par Value [4],[5],[9],[10] $ 395                  
Cost [4],[5],[10] 393                  
Fair Value [4],[5],[10] $ 395                  
Investment, Identifier [Axis]: YLG Holding, Inc, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[35] 4.75% 4.75% 4.75%              
Interest rate [4],[17],[35] 9.04% 9.04% 9.04%              
Principal Amount or Par Value [4],[9],[35] $ 21,716                  
Cost [4],[35] 21,692                  
Fair Value [4],[35] 21,716                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[34]       4.75% 4.75%          
Interest rate [7],[18],[34]       9.09% 9.09%          
Principal Amount or Par Value [7],[11],[34]       $ 21,825            
Cost [7],[34]       21,798            
Fair Value [7],[34]       $ 21,825            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 291                  
Cost [4],[5],[10] (1)                  
Fair Value [4],[5],[10] 0                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 271                  
Cost [4],[5],[10] (1)                  
Fair Value [4],[5],[10] $ 0                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[10],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[10],[17],[19] 8.91% 8.91% 8.91%              
Principal Amount or Par Value [4],[5],[9],[10],[19] $ 301                  
Cost [4],[5],[10],[19] 289                  
Fair Value [4],[5],[10],[19] 298                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,074                  
Cost [4],[5],[10] (11)                  
Fair Value [4],[5],[10] (11)                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [4],[5],[9],[10] 1,847                  
Cost [4],[5],[10] 0                  
Fair Value [4],[5],[10] $ (18)                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 8.91% 8.91% 8.91%              
Principal Amount or Par Value [4],[5],[9],[19] $ 11,380                  
Cost [4],[5],[19] 11,271                  
Fair Value [4],[5],[19] $ 11,266                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[5],[19] 4.75% 4.75% 4.75%              
Interest rate [4],[5],[17],[19] 8.91% 8.91% 8.91%              
Principal Amount or Par Value [4],[5],[9],[19] $ 1,889                  
Cost [4],[5],[19] 1,876                  
Fair Value [4],[5],[19] $ 1,871                  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[5],[10] 5.75% [4],[5],[10] 5.75% [4],[5],[10] 5.75% [7],[8],[12] 5.75% [7],[8],[12]          
Interest rate 10.07% [4],[5],[10],[17] 10.07% [4],[5],[10],[17] 10.07% [4],[5],[10],[17] 10.34% [7],[8],[12],[18] 10.34% [7],[8],[12],[18]          
Principal Amount or Par Value $ 988 [4],[5],[9],[10]     $ 706 [7],[8],[11],[12]            
Cost 985 [4],[5],[10]     705 [7],[8],[12]            
Fair Value 964 [4],[5],[10]     701 [7],[8],[12]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,542 [4],[5],[9],[10]     2,824 [7],[8],[11],[12]            
Cost (22) [4],[5],[10]     (25) [7],[8],[12]            
Fair Value $ (64) [4],[5],[10]     $ (21) [7],[8],[12]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [4],[13],[14] 5.75% [7],[15],[16] 5.75% [7],[15],[16]          
Interest rate 10.07% [4],[13],[14],[17] 10.07% [4],[13],[14],[17] 10.07% [4],[13],[14],[17] 10.38% [7],[15],[16],[18] 10.38% [7],[15],[16],[18]          
Principal Amount or Par Value $ 44,742 [4],[9],[13],[14]     $ 44,742 [7],[11],[15],[16]            
Cost 44,576 [4],[13],[14]     44,537 [7],[15],[16]            
Fair Value $ 43,623 [4],[13],[14]     $ 44,406 [7],[15],[16]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [4],[13],[14] 6.25% [4],[13],[14] 6.25% [4],[13],[14] 6.25% [7],[15],[16] 6.25% [7],[15],[16]          
Interest rate 10.57% [4],[13],[14],[17] 10.57% [4],[13],[14],[17] 10.57% [4],[13],[14],[17] 10.88% [7],[15],[16],[18] 10.88% [7],[15],[16],[18]          
Principal Amount or Par Value $ 7,366 [4],[9],[13],[14]     $ 7,366 [7],[11],[15],[16]            
Cost 7,329 [4],[13],[14]     7,321 [7],[15],[16]            
Fair Value 7,274 [4],[13],[14]     7,311 [7],[15],[16]            
SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 544,399     481,040            
Cost 537,430     474,738            
Fair Value 525,343     469,326            
SLP IV | Funded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 541,491     479,828            
Cost 537,437     474,743            
Fair Value 525,333     469,318            
SLP IV | Unfunded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,908     1,212            
Cost (7)     (5)            
Fair Value $ 10     $ 8            
SLP IV | Investment, Identifier [Axis]: ADG, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% 1.00% 1.00%              
PIK 3.00% 3.00% 3.00%              
Interest rate 8.15% 8.15% 8.15%              
Principal Amount or Par Value $ 18,187                  
Cost 18,184                  
Fair Value $ 14,777                  
SLP IV | Investment, Identifier [Axis]: ADG, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       1.00% 1.00%          
PIK       3.00% 3.00%          
Interest rate       8.48% 8.48%          
Principal Amount or Par Value       $ 17,933            
Cost       17,928            
Fair Value       $ 15,544            
SLP IV | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.03% 8.03% 8.03%              
Principal Amount or Par Value $ 1,800                  
Cost 1,796                  
Fair Value $ 1,710                  
SLP IV | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.22% 8.22%          
Principal Amount or Par Value       $ 1,814            
Cost       1,809            
Fair Value       $ 1,788            
SLP IV | Investment, Identifier [Axis]: Accelya Lux Finco S.a.r.l., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.21% 9.21% 9.21%              
Principal Amount or Par Value $ 6,782                  
Cost 6,646                  
Fair Value $ 6,646                  
SLP IV | Investment, Identifier [Axis]: AmSpec Parent LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.56% 8.56%          
Principal Amount or Par Value       $ 2,986            
Cost       2,971            
Fair Value       3,009            
SLP IV | Investment, Identifier [Axis]: AmSpec Parent, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.50% 7.50% 7.50%              
Principal Amount or Par Value $ 295                  
Cost 295                  
Fair Value $ 297                  
SLP IV | Investment, Identifier [Axis]: AmSpec Parent, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.50% 7.50% 7.50%              
Principal Amount or Par Value $ 4,794                  
Cost 4,788                  
Fair Value $ 4,827                  
SLP IV | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 444                  
Cost 0                  
Fair Value $ 3                  
SLP IV | Investment, Identifier [Axis]: AmSpec parent, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       459            
Cost       (1)            
Fair Value       $ 3            
SLP IV | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00%          
Interest rate       7.36% 7.36%          
Principal Amount or Par Value       $ 4,127            
Cost       4,115            
Fair Value       $ 4,168            
SLP IV | Investment, Identifier [Axis]: Asurion, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.51% 8.51% 8.51%              
Principal Amount or Par Value $ 9,618                  
Cost 9,562                  
Fair Value $ 9,659                  
SLP IV | Investment, Identifier [Axis]: Asurion, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.41% 8.41% 8.41%              
Principal Amount or Par Value $ 1,814                  
Cost 1,761                  
Fair Value $ 1,804                  
SLP IV | Investment, Identifier [Axis]: Asurion, LLC 3, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.41% 8.41% 8.41%              
Principal Amount or Par Value $ 995                  
Cost 981                  
Fair Value $ 993                  
SLP IV | Investment, Identifier [Axis]: Asurion, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.71% 8.71%          
Principal Amount or Par Value       $ 9,692            
Cost       9,623            
Fair Value       $ 9,716            
SLP IV | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 7,254                  
Cost 7,223                  
Fair Value $ 7,249                  
SLP IV | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 5,299            
Cost       5,264            
Fair Value       $ 5,334            
SLP IV | Investment, Identifier [Axis]: BIFM CA Buyer Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.91% 7.91% 7.91%              
Principal Amount or Par Value $ 5,348                  
Cost 5,326                  
Fair Value $ 5,371                  
SLP IV | Investment, Identifier [Axis]: BIFM CA Buyer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.11% 8.11%          
Principal Amount or Par Value       $ 2,709            
Cost       2,679            
Fair Value       $ 2,736            
SLP IV | Investment, Identifier [Axis]: BW Holding, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% 6.50% 6.50%              
Interest rate 10.73% 10.73% 10.73%              
Principal Amount or Par Value $ 445                  
Cost 441                  
Fair Value $ 459                  
SLP IV | Investment, Identifier [Axis]: BW Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.66% 8.66%          
Principal Amount or Par Value       $ 2,024            
Cost       1,913            
Fair Value       $ 1,810            
SLP IV | Investment, Identifier [Axis]: Bach Finance Limited, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% 2.75% 2.75%              
Interest rate 6.95% 6.95% 6.95%              
Principal Amount or Par Value $ 1,599                  
Cost 1,595                  
Fair Value $ 1,604                  
SLP IV | Investment, Identifier [Axis]: Bach Finance Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.26% 8.26%          
Principal Amount or Par Value       $ 1,607            
Cost       1,603            
Fair Value       $ 1,621            
SLP IV | Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       9.09% 9.09%          
Principal Amount or Par Value       $ 4,900            
Cost       4,793            
Fair Value       $ 4,551            
SLP IV | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       9.35% 9.35%          
Principal Amount or Par Value       $ 8,853            
Cost       8,820            
Fair Value       $ 8,853            
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 739                  
Cost 738                  
Fair Value $ 741                  
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.21% 8.21%          
Principal Amount or Par Value       $ 745            
Cost       743            
Fair Value       $ 751            
SLP IV | Investment, Identifier [Axis]: Bleriot US Bidco Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.75% 2.75%          
Interest rate       7.08% 7.08%          
Principal Amount or Par Value       $ 3,861            
Cost       3,846            
Fair Value       $ 3,885            
SLP IV | Investment, Identifier [Axis]: Boxer Parent Company Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.20% 7.20% 7.20%              
Principal Amount or Par Value $ 5,229                  
Cost 5,218                  
Fair Value $ 5,227                  
SLP IV | Investment, Identifier [Axis]: Boxer Parent Company Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.34% 8.34%          
Principal Amount or Par Value       $ 10,440            
Cost       10,415            
Fair Value       $ 10,541            
SLP IV | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.41% 8.41% 8.41%              
Principal Amount or Par Value $ 4,317                  
Cost 4,242                  
Fair Value $ 4,347                  
SLP IV | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.58% 8.58%          
Principal Amount or Par Value       $ 4,350            
Cost       4,255            
Fair Value       $ 4,394            
SLP IV | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       8.05% 8.05%          
Principal Amount or Par Value       $ 8,013            
Cost       7,978            
Fair Value       $ 8,058            
SLP IV | Investment, Identifier [Axis]: CVET Midco 2, L.P., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest rate 9.00% 9.00% 9.00%              
Principal Amount or Par Value $ 6,539                  
Cost 6,412                  
Fair Value $ 5,856                  
SLP IV | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.00% 5.00%          
Interest rate       9.33% 9.33%          
Principal Amount or Par Value       $ 6,589            
Cost       6,442            
Fair Value       $ 6,354            
SLP IV | Investment, Identifier [Axis]: Cardinal Parent, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest rate 8.65% 8.65% 8.65%              
Principal Amount or Par Value $ 6,064                  
Cost 5,975                  
Fair Value $ 6,034                  
SLP IV | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.33% 7.33% 7.33%              
Principal Amount or Par Value $ 1,561                  
Cost 1,561                  
Fair Value $ 1,570                  
SLP IV | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       8.12% 8.12%          
Principal Amount or Par Value       $ 1,573            
Cost       1,573            
Fair Value       1,588            
SLP IV | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 116     116            
Cost 0     0            
Fair Value $ 1     $ 1            
SLP IV | Investment, Identifier [Axis]: Cleanova US Holdings LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest rate 8.81% 8.81% 8.81%              
Principal Amount or Par Value $ 5,135                  
Cost 4,988                  
Fair Value $ 5,135                  
SLP IV | Investment, Identifier [Axis]: Cloudera, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.01% 8.01% 8.01%              
Principal Amount or Par Value $ 9,650                  
Cost 9,540                  
Fair Value $ 9,519                  
SLP IV | Investment, Identifier [Axis]: Cloudera, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.21% 8.21%          
Principal Amount or Par Value       $ 9,322            
Cost       9,199            
Fair Value       $ 9,336            
SLP IV | Investment, Identifier [Axis]: Clydesdale Acquisition Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 5,481                  
Cost 5,482                  
Fair Value $ 5,479                  
SLP IV | Investment, Identifier [Axis]: Clydesdale Acquisition Holdings, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 95                  
Cost 0                  
Fair Value $ 0                  
SLP IV | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.50% 7.50% 7.50%              
Principal Amount or Par Value $ 3,905                  
Cost 3,887                  
Fair Value $ 3,917                  
SLP IV | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 906                  
Cost (4)                  
Fair Value $ 3                  
SLP IV | Investment, Identifier [Axis]: CommerceHub, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       6.25% 6.25%          
Interest rate       10.90% 10.90%          
Principal Amount or Par Value       $ 539            
Cost       539            
Fair Value       $ 539            
SLP IV | Investment, Identifier [Axis]: CommerceHub, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.80% 8.80%          
Principal Amount or Par Value       $ 4,067            
Cost       3,926            
Fair Value       $ 3,866            
SLP IV | Investment, Identifier [Axis]: Confluence Technologies, Inc. 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.90% 7.90% 7.90%              
Principal Amount or Par Value $ 9,625                  
Cost 9,603                  
Fair Value $ 7,979                  
SLP IV | Investment, Identifier [Axis]: Confluence Technologies, Inc. 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest rate 9.23% 9.23% 9.23%              
Principal Amount or Par Value $ 943                  
Cost 943                  
Fair Value $ 943                  
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.28% 8.28% 8.28%              
Principal Amount or Par Value $ 3,090                  
Cost 3,081                  
Fair Value $ 2,912                  
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.47% 8.47%          
Principal Amount or Par Value       $ 3,115            
Cost       3,104            
Fair Value       $ 3,048            
SLP IV | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.00% 7.00% 7.00%              
Principal Amount or Par Value $ 6,757                  
Cost 6,738                  
Fair Value $ 6,799                  
SLP IV | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.85% 7.85%          
Principal Amount or Par Value       $ 6,808            
Cost       6,786            
Fair Value       $ 6,842            
SLP IV | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% 1.00% 1.00%              
PIK 3.94% 3.94% 3.94%              
Interest rate 9.04% 9.04% 9.04%              
Principal Amount or Par Value $ 3,486                  
Cost 3,441                  
Fair Value $ 2,925                  
SLP IV | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       1.00% 1.00%          
PIK       4.25% 4.25%          
Interest rate       9.68% 9.68%          
Principal Amount or Par Value       $ 3,414            
Cost       3,360            
Fair Value       $ 3,098            
SLP IV | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.03% 8.03% 8.03%              
Principal Amount or Par Value $ 1,814                  
Cost 1,810                  
Fair Value $ 1,752                  
SLP IV | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.22% 8.22%          
Principal Amount or Par Value       $ 1,828            
Cost       1,823            
Fair Value       $ 1,612            
SLP IV | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.91% 7.91% 7.91%              
Principal Amount or Par Value $ 4,127                  
Cost 4,107                  
Fair Value $ 4,146                  
SLP IV | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 10,402                  
Cost 10,357                  
Fair Value $ 10,376                  
SLP IV | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 10,480            
Cost       10,431            
Fair Value       $ 10,507            
SLP IV | Investment, Identifier [Axis]: Disco Parent, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.48% 7.48% 7.48%              
Principal Amount or Par Value $ 4,625                  
Cost 4,614                  
Fair Value $ 4,648                  
SLP IV | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.08% 8.08% 8.08%              
Principal Amount or Par Value $ 9,250                  
Cost 8,965                  
Fair Value $ 9,219                  
SLP IV | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.38% 4.38%          
Interest rate       8.95% 8.95%          
Principal Amount or Par Value       $ 5,788            
Cost       5,461            
Fair Value       $ 5,830            
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.63% 4.63% 4.63%              
Interest rate 8.60% 8.60% 8.60%              
Principal Amount or Par Value $ 997                  
Cost 977                  
Fair Value $ 977                  
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.40% 8.40% 8.40%              
Principal Amount or Par Value $ 9,599                  
Cost 9,544                  
Fair Value $ 9,403                  
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.73% 8.73%          
Principal Amount or Par Value       $ 9,674            
Cost       9,604            
Fair Value       $ 9,245            
SLP IV | Investment, Identifier [Axis]: EAB Global, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 6,161                  
Cost 6,109                  
Fair Value $ 6,019                  
SLP IV | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.61% 7.61%          
Principal Amount or Par Value       $ 995            
Cost       990            
Fair Value       $ 1,000            
SLP IV | Investment, Identifier [Axis]: Eagle Parent Corp., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.25% 8.25% 8.25%              
Principal Amount or Par Value $ 8,094                  
Cost 7,997                  
Fair Value $ 8,099                  
SLP IV | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.58% 8.58%          
Principal Amount or Par Value       $ 7,405            
Cost       7,312            
Fair Value       $ 7,273            
SLP IV | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.16% 8.16% 8.16%              
Principal Amount or Par Value $ 4,989                  
Cost 4,948                  
Fair Value $ 5,025                  
SLP IV | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.36% 8.36%          
Principal Amount or Par Value       $ 5,026            
Cost       4,980            
Fair Value       $ 5,092            
SLP IV | Investment, Identifier [Axis]: FNZ Group Entities Limited, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest rate 9.32% 9.32% 9.32%              
Principal Amount or Par Value $ 7,234                  
Cost 7,102                  
Fair Value $ 5,857                  
SLP IV | Investment, Identifier [Axis]: FNZ Group Entities Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.00% 5.00%          
Interest rate       9.55% 9.55%          
Principal Amount or Par Value       $ 7,270            
Cost       7,126            
Fair Value       $ 7,116            
SLP IV | Investment, Identifier [Axis]: Finastra USA, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.04% 8.04% 8.04%              
Principal Amount or Par Value $ 8,255                  
Cost 8,179                  
Fair Value $ 8,230                  
SLP IV | Investment, Identifier [Axis]: Flash Charm, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.80% 7.80% 7.80%              
Principal Amount or Par Value $ 9,980                  
Cost 9,945                  
Fair Value $ 8,783                  
SLP IV | Investment, Identifier [Axis]: Flash Charm, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       8.07% 8.07%          
Principal Amount or Par Value       $ 10,056            
Cost       10,012            
Fair Value       $ 9,885            
SLP IV | Investment, Identifier [Axis]: Foundational Education Group, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.53% 8.53% 8.53%              
Principal Amount or Par Value $ 10,958                  
Cost 10,873                  
Fair Value $ 9,780                  
SLP IV | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.60% 8.60%          
Principal Amount or Par Value       $ 11,044            
Cost       10,939            
Fair Value       $ 10,823            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 120                  
Cost 119                  
Fair Value $ 120                  
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.65% 7.65%          
Principal Amount or Par Value       $ 121            
Cost       121            
Fair Value       $ 122            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 4,072                  
Cost 4,038                  
Fair Value $ 4,078                  
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.65% 7.65%          
Principal Amount or Par Value       $ 4,103            
Cost       4,065            
Fair Value       4,130            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 638     637            
Cost (3)     (4)            
Fair Value $ 1     $ 4            
SLP IV | Investment, Identifier [Axis]: HP PHRG Borrower, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.00% 8.00% 8.00%              
Principal Amount or Par Value $ 10,623                  
Cost 10,551                  
Fair Value $ 10,615                  
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.91% 7.91% 7.91%              
Principal Amount or Par Value $ 9,935                  
Cost 9,911                  
Fair Value $ 9,930                  
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       8.86% 8.86%          
Principal Amount or Par Value       $ 10,011            
Cost       9,795            
Fair Value       $ 10,042            
SLP IV | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.16% 8.16% 8.16%              
Principal Amount or Par Value $ 9,531                  
Cost 9,523                  
Fair Value $ 9,036                  
SLP IV | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.69% 8.69%          
Principal Amount or Par Value       $ 9,607            
Cost       9,593            
Fair Value       $ 8,490            
SLP IV | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.51% 9.51% 9.51%              
Principal Amount or Par Value $ 8,193                  
Cost 7,982                  
Fair Value $ 7,363                  
SLP IV | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25%          
Interest rate       9.71% 9.71%          
Principal Amount or Par Value       $ 6,246            
Cost       6,083            
Fair Value       $ 6,163            
SLP IV | Investment, Identifier [Axis]: Inizio Group Limited, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.35% 8.35% 8.35%              
Principal Amount or Par Value $ 9,702                  
Cost 9,586                  
Fair Value $ 9,666                  
SLP IV | Investment, Identifier [Axis]: Inizio Group Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.68% 8.68%          
Principal Amount or Par Value       $ 3,949            
Cost       3,926            
Fair Value       $ 3,905            
SLP IV | Investment, Identifier [Axis]: JSG II, Inc. 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 10.75% 10.75% 10.75%              
Principal Amount or Par Value $ 253                  
Cost 253                  
Fair Value $ 253                  
SLP IV | Investment, Identifier [Axis]: JSG II, Inc. 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 10.75% 10.75% 10.75%              
Principal Amount or Par Value $ 5,194                  
Cost 5,185                  
Fair Value $ 5,194                  
SLP IV | Investment, Identifier [Axis]: Kaseya Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 5,786                  
Cost 5,772                  
Fair Value $ 5,801                  
SLP IV | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 1,286                  
Cost 1,283                  
Fair Value $ 1,288                  
SLP IV | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00%          
Interest rate       7.37% 7.37%          
Principal Amount or Par Value       $ 4,560            
Cost       4,549            
Fair Value       $ 4,571            
SLP IV | Investment, Identifier [Axis]: KnowBe4, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.07% 8.07% 8.07%              
Principal Amount or Par Value $ 8,761                  
Cost 8,762                  
Fair Value $ 8,783                  
SLP IV | Investment, Identifier [Axis]: LSCS Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest rate 8.50% 8.50% 8.50%              
Principal Amount or Par Value $ 10,222                  
Cost 10,168                  
Fair Value 10,086                  
SLP IV | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       8.97% 8.97%          
Principal Amount or Par Value       $ 9,774            
Cost       9,721            
Fair Value       9,853            
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 18,187     $ 17,933            
SLP IV | Investment, Identifier [Axis]: MED ParentCo, LP, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 7,291                  
Cost 7,260                  
Fair Value $ 7,314                  
SLP IV | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 7,327            
Cost       7,293            
Fair Value       $ 7,370            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.25% 8.25% 8.25%              
Principal Amount or Par Value $ 2,071                  
Cost 2,059                  
Fair Value $ 1,989                  
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.41% 8.41% 8.41%              
Principal Amount or Par Value $ 1,788                  
Cost 1,773                  
Fair Value $ 1,627                  
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.56% 8.56%          
Principal Amount or Par Value       $ 3,000            
Cost       2,970            
Fair Value       $ 2,979            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.56% 8.56%          
Principal Amount or Par Value       $ 6,095            
Cost       5,989            
Fair Value       $ 6,110            
SLP IV | Investment, Identifier [Axis]: Mandolin Technology Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.23% 8.23%          
Principal Amount or Par Value       $ 9,700            
Cost       9,672            
Fair Value       $ 7,954            
SLP IV | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.37% 7.37% 7.37%              
Principal Amount or Par Value $ 2,024                  
Cost 2,000                  
Fair Value $ 2,029                  
SLP IV | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       8.07% 8.07%          
Principal Amount or Par Value       $ 2,029            
Cost       2,002            
Fair Value       $ 2,052            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest rate 9.41% 9.41% 9.41%              
Principal Amount or Par Value $ 1,950                  
Cost 1,899                  
Fair Value $ 1,957                  
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.00% 5.00%          
Interest rate       9.69% 9.69%          
Principal Amount or Par Value       $ 1,965            
Cost       1,900            
Fair Value       $ 1,968            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.21% 8.21% 8.21%              
Principal Amount or Par Value $ 7,701                  
Cost 7,684                  
Fair Value $ 7,729                  
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.49% 8.49%          
Principal Amount or Par Value       $ 7,761            
Cost       7,739            
Fair Value       $ 7,773            
SLP IV | Investment, Identifier [Axis]: Mavis Tire Express Services Topco, Corp., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.20% 7.20% 7.20%              
Principal Amount or Par Value $ 8,140                  
Cost 8,120                  
Fair Value $ 8,148                  
SLP IV | Investment, Identifier [Axis]: Mavis Tire Express Services Topco, Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 8,180            
Cost       8,158            
Fair Value       $ 8,246            
SLP IV | Investment, Identifier [Axis]: Michael Baker International, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.31% 8.31% 8.31%              
Principal Amount or Par Value $ 3,839                  
Cost 3,839                  
Fair Value $ 3,856                  
SLP IV | Investment, Identifier [Axis]: Nexus Buyer LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.16% 8.16% 8.16%              
Principal Amount or Par Value $ 7,380                  
Cost 7,329                  
Fair Value $ 7,389                  
SLP IV | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.75% 4.75%          
Interest rate       9.11% 9.11%          
Principal Amount or Par Value       $ 9,836            
Cost       9,009            
Fair Value       $ 9,813            
SLP IV | Investment, Identifier [Axis]: Nielsen Consumer, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.50% 2.50% 2.50%              
Interest rate 6.66% 6.66% 6.66%              
Principal Amount or Par Value $ 3,691                  
Cost 3,505                  
Fair Value $ 3,688                  
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.75% 2.75%          
Interest rate       7.37% 7.37%          
Principal Amount or Par Value       $ 4,970            
Cost       4,928            
Fair Value       $ 4,997            
SLP IV | Investment, Identifier [Axis]: Oceankey (U.S.) II Corp., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.76% 7.76% 7.76%              
Principal Amount or Par Value $ 9,263                  
Cost 9,267                  
Fair Value $ 9,289                  
SLP IV | Investment, Identifier [Axis]: Osaic Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 8,883                  
Cost 8,861                  
Fair Value $ 8,888                  
SLP IV | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 11,432            
Cost       11,344            
Fair Value       $ 11,490            
SLP IV | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       8.05% 8.05%          
Principal Amount or Par Value       $ 8,828            
Cost       8,742            
Fair Value       $ 8,864            
SLP IV | Investment, Identifier [Axis]: Osttra Group Ltd., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.48% 7.48% 7.48%              
Principal Amount or Par Value $ 3,859                  
Cost 3,850                  
Fair Value $ 3,883                  
SLP IV | Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 2,836                  
Cost 2,826                  
Fair Value $ 2,855                  
SLP IV | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.56% 7.56% 7.56%              
Principal Amount or Par Value $ 4,558                  
Cost 4,371                  
Fair Value $ 4,304                  
SLP IV | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.59% 8.59%          
Principal Amount or Par Value       $ 1,307            
Cost       1,305            
Fair Value       $ 1,321            
SLP IV | Investment, Identifier [Axis]: Perforce Software, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest rate 8.91% 8.91% 8.91%              
Principal Amount or Par Value $ 3,206                  
Cost 3,194                  
Fair Value $ 2,867                  
SLP IV | Investment, Identifier [Axis]: Perforce Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.75% 4.75%          
Interest rate       9.11% 9.11%          
Principal Amount or Par Value       $ 4,868            
Cost       4,848            
Fair Value       $ 4,803            
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% 6.00% 6.00%              
Interest rate 10.00% 10.00% 10.00%              
Principal Amount or Par Value $ 1,789                  
Cost 1,742                  
Fair Value $ 1,487                  
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50%              
PIK 2.50% 2.50% 2.50%              
Interest rate 8.15% 8.15% 8.15%              
Principal Amount or Par Value $ 2,106                  
Cost 2,095                  
Fair Value $ 947                  
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.74% 8.74%          
Principal Amount or Par Value       $ 3,165            
Cost       3,144            
Fair Value       $ 1,334            
SLP IV | Investment, Identifier [Axis]: Planview Parent, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.50% 7.50% 7.50%              
Principal Amount or Par Value $ 7,960                  
Cost 7,889                  
Fair Value $ 7,855                  
SLP IV | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.83% 7.83%          
Principal Amount or Par Value       $ 2,993            
Cost       2,985            
Fair Value       $ 3,018            
SLP IV | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.25% 7.25% 7.25%              
Principal Amount or Par Value $ 9,732                  
Cost 9,579                  
Fair Value $ 9,770                  
SLP IV | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.58% 7.58%          
Principal Amount or Par Value       $ 9,806            
Cost       9,633            
Fair Value       $ 9,882            
SLP IV | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00%          
Interest rate       7.47% 7.47%          
Principal Amount or Par Value       $ 4,975            
Cost       4,955            
Fair Value       $ 5,004            
SLP IV | Investment, Identifier [Axis]: Pushpay USA Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.62% 7.62% 7.62%              
Principal Amount or Par Value $ 7,807                  
Cost 7,812                  
Fair Value $ 7,871                  
SLP IV | Investment, Identifier [Axis]: Quartz Holding Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 6,874            
Cost       6,845            
Fair Value       $ 6,909            
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.75% 7.75% 7.75%              
Principal Amount or Par Value $ 1,990                  
Cost 1,982                  
Fair Value $ 1,999                  
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00%          
Interest rate       7.59% 7.59%          
Principal Amount or Par Value       $ 1,357            
Cost       1,354            
Fair Value       $ 1,357            
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75%          
Interest rate       8.08% 8.08%          
Principal Amount or Par Value       $ 2,000            
Cost       1,990            
Fair Value       $ 2,011            
SLP IV | Investment, Identifier [Axis]: Rithum Holdings, Inc. (fka CommerceHub, Inc.), First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest rate 8.75% 8.75% 8.75%              
Principal Amount or Par Value $ 6,094                  
Cost 6,026                  
Fair Value $ 6,100                  
SLP IV | Investment, Identifier [Axis]: RxB Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest rate 8.78% 8.78% 8.78%              
Principal Amount or Par Value $ 7,230                  
Cost 7,216                  
Fair Value $ 7,230                  
SLP IV | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       8.97% 8.97%          
Principal Amount or Par Value       $ 7,287            
Cost       7,268            
Fair Value       $ 7,287            
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.72% 9.72% 9.72%              
Principal Amount or Par Value $ 3,953                  
Cost 3,905                  
Fair Value $ 3,938                  
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25%          
Interest rate       10.03% 10.03%          
Principal Amount or Par Value       $ 3,984            
Cost       3,892            
Fair Value       $ 3,941            
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% 7.25% 7.25%              
Interest rate 11.72% 11.72% 11.72%              
Principal Amount or Par Value $ 2,231                  
Cost 2,209                  
Fair Value $ 2,231                  
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       7.25% 7.25%          
Interest rate       12.03% 12.03%          
Principal Amount or Par Value       $ 2,248            
Cost       2,205            
Fair Value       $ 2,248            
SLP IV | Investment, Identifier [Axis]: Secretariat Advisors LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.00% 8.00% 8.00%              
Principal Amount or Par Value $ 5,857                  
Cost 5,829                  
Fair Value $ 5,875                  
SLP IV | Investment, Identifier [Axis]: Secretariat Advisors LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% 0.00% 0.00%              
Interest rate 0.00% 0.00% 0.00%              
Principal Amount or Par Value $ 709                  
Cost 0                  
Fair Value $ 2                  
SLP IV | Investment, Identifier [Axis]: Secure Acquisition, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.75% 7.75% 7.75%              
Principal Amount or Par Value $ 331                  
Cost 331                  
Fair Value $ 332                  
SLP IV | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       6.75% 6.75%          
Interest rate       11.34% 11.34%          
Principal Amount or Par Value       $ 4,450            
Cost       4,445            
Fair Value       $ 4,450            
SLP IV | Investment, Identifier [Axis]: Spring Education Group, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.25% 7.25% 7.25%              
Principal Amount or Par Value $ 10,180                  
Cost 10,088                  
Fair Value $ 10,226                  
SLP IV | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.33% 8.33%          
Principal Amount or Par Value       $ 9,431            
Cost       9,327            
Fair Value       $ 9,500            
SLP IV | Investment, Identifier [Axis]: Storable, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 2,937                  
Cost 2,934                  
Fair Value $ 2,951                  
SLP IV | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.86% 7.86%          
Principal Amount or Par Value       $ 3,880            
Cost       3,867            
Fair Value       $ 3,911            
SLP IV | Investment, Identifier [Axis]: Symplr Software, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest rate 8.91% 8.91% 8.91%              
Principal Amount or Par Value $ 3,659                  
Cost 3,655                  
Fair Value $ 3,298                  
SLP IV | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       9.19% 9.19%          
Principal Amount or Par Value       $ 3,688            
Cost       3,683            
Fair Value       $ 3,382            
SLP IV | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50%          
Interest rate       9.28% 9.28%          
Principal Amount or Par Value       $ 9,798            
Cost       9,788            
Fair Value       $ 9,828            
SLP IV | Investment, Identifier [Axis]: TRC Companies LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 5,345                  
Cost 5,330                  
Fair Value $ 5,359                  
SLP IV | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.97% 7.97%          
Principal Amount or Par Value       $ 9,973            
Cost       9,939            
Fair Value       $ 10,070            
SLP IV | Investment, Identifier [Axis]: Team.blue Finco SARL, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.23% 7.23% 7.23%              
Principal Amount or Par Value $ 7,238                  
Cost 7,223                  
Fair Value $ 7,225                  
SLP IV | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.43% 8.43% 8.43%              
Principal Amount or Par Value $ 5,862                  
Cost 5,848                  
Fair Value $ 4,852                  
SLP IV | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.47% 8.47%          
Principal Amount or Par Value       $ 5,908            
Cost       5,891            
Fair Value       $ 5,021            
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.25% 8.25% 8.25%              
Principal Amount or Par Value $ 5,605                  
Cost 5,594                  
Fair Value 5,631                  
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25%          
Interest rate       8.58% 8.58%          
Principal Amount or Par Value       $ 5,648            
Cost       5,634            
Fair Value       5,648            
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 63,966     $ 62,752            
SLP IV | Investment, Identifier [Axis]: VSTG Intermediate Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 7.75% 7.75% 7.75%              
Principal Amount or Par Value $ 5,201                  
Cost 5,191                  
Fair Value $ 5,204                  
SLP IV | Investment, Identifier [Axis]: VSTG Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.75% 4.75%          
Interest rate       9.08% 9.08%          
Principal Amount or Par Value       $ 3,372            
Cost       3,357            
Fair Value       $ 3,387            
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.16% 7.16% 7.16%              
Principal Amount or Par Value $ 5,730                  
Cost 5,691                  
Fair Value $ 5,563                  
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00%          
Interest rate       7.33% 7.33%          
Principal Amount or Par Value       $ 5,724            
Cost       5,675            
Fair Value       $ 5,771            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 1 First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25%          
Interest rate       9.73% 9.73%          
Principal Amount or Par Value       $ 1,641            
Cost       1,625            
Fair Value       $ 1,693            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.40% 9.40% 9.40%              
Principal Amount or Par Value $ 1,641                  
Cost 1,628                  
Fair Value $ 1,669                  
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50%              
PIK 2.25% 2.25% 2.25%              
Interest rate 8.01% 8.01% 8.01%              
Principal Amount or Par Value $ 2,298                  
Cost 2,298                  
Fair Value $ 1,949                  
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       1.50% 1.50%          
PIK       2.25% 2.25%          
Interest rate       8.35% 8.35%          
Principal Amount or Par Value       $ 2,258            
Cost       2,258            
Fair Value       $ 1,992            
SLP IV | Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.16% 8.16% 8.16%              
Principal Amount or Par Value $ 7,264                  
Cost 7,242                  
Fair Value $ 7,280                  
SLP IV | Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.59% 8.59%          
Principal Amount or Par Value       $ 2,500            
Cost       2,488            
Fair Value       $ 2,531            
SLP IV | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25%          
Interest rate       9.61% 9.61%          
Principal Amount or Par Value       $ 3,999            
Cost       3,807            
Fair Value       $ 3,971            
SLP IV | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.59% 8.59%          
Principal Amount or Par Value       $ 9,300            
Cost       9,273            
Fair Value       $ 8,963            
SLP IV | Investment, Identifier [Axis]: Xplor T1, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.50% 7.50% 7.50%              
Principal Amount or Par Value $ 4,035                  
Cost 4,017                  
Fair Value $ 4,040                  
SLP IV | Investment, Identifier [Axis]: Xplor T1, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50%          
Interest rate       7.83% 7.83%          
Principal Amount or Par Value       $ 4,065            
Cost       4,046            
Fair Value       $ 4,112            
SLP IV | Investment, Identifier [Axis]: Zelis Cost Management Buyer, Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.41% 7.41% 7.41%              
Principal Amount or Par Value $ 10,329                  
Cost 10,330                  
Fair Value $ 10,342                  
SLP IV | Investment, Identifier [Axis]: Zest Acquisition Corp., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.56% 9.56% 9.56%              
Principal Amount or Par Value $ 3,449                  
Cost 3,382                  
Fair Value $ 3,449                  
SLP IV | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25%          
Interest rate       9.84% 9.84%          
Principal Amount or Par Value       $ 3,110            
Cost       3,032            
Fair Value       $ 3,149            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.50% 5.50%          
Interest rate       10.27% 10.27%          
Principal Amount or Par Value       $ 2,138            
Cost       2,112            
Fair Value       $ 2,086            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 1, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest rate 9.98% 9.98% 9.98%              
Principal Amount or Par Value $ 9,650                  
Cost 9,559                  
Fair Value $ 9,650                  
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.50% 5.50%          
Interest rate       10.27% 10.27%          
Principal Amount or Par Value       $ 9,725            
Cost       9,609            
Fair Value       $ 9,489            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 2, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest rate 9.98% 9.98% 9.98%              
Principal Amount or Par Value $ 2,121                  
Cost 2,101                  
Fair Value $ 2,121                  
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% 2.75% 2.75%              
Interest rate 6.91% 6.91% 6.91%              
Principal Amount or Par Value $ 1,772                  
Cost 1,767                  
Fair Value $ 1,771                  
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25%          
Interest rate       7.61% 7.61%          
Principal Amount or Par Value       $ 2,349            
Cost       2,342            
Fair Value       $ 2,361            
SLP IV | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00%          
Interest rate       8.36% 8.36%          
Principal Amount or Par Value       $ 2,167            
Cost       2,160            
Fair Value       $ 2,183            
[1] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[2] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[3] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[4] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[5] Investment is held by New Mountain Finance Corporation
[6] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[7] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[8] Investment is held by New Mountain Finance Corporation
[9] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[10] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolvers or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[11] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[12] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[13] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[14] Investment is held by New Mountain Finance Holdings, L.L.C.
[15] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[16] Investment is held by New Mountain Finance Holdings, L.L.C.
[17] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of September 30, 2025.
[18] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of December 31, 2024.
[19] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details.
[20] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[21] Investment is held by New Mountain Finance SBIC, L.P.
[22] Investment is held by New Mountain Finance SBIC, L.P.
[23] All or a portion of interest contains PIK interest. See Note 2. Summary of Significant Accounting Policies-Revenue Recognition, for details.
[24] All or a portion of interest contains PIK interest.
[25] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of September 30, 2025, the Company's stated value of it's equity investment, plus unpaid compounded dividends, was $20,249.
[26] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc.
[27] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of September 30, 2025, 15.1% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[28] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2024, 14.6% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[29] Investment is on non-accrual status as of September 30, 2025. See Note 3. Investments, for details.
[30] Investment is on non-accrual status. See Note 3. Investments, for details.
[31] Investment is held by NMF Ancora Holdings, Inc.
[32] Investment is held by NMF Ancora Holdings, Inc.
[33] The Company holds preferred equity in Bamboo Health Intermediate Holdings, Inc.(fka Appriss Health Intermediate Holdings, Inc.) and holds a first lien term loan and a first lien revolver in Bamboo Health Holdings, LLC (fka Appriss Health, LLC), a wholly-owned subsidiary of Bamboo Health Intermediate Holdings, Inc.
[34] Investment is held by New Mountain Finance SBIC II, L.P.
[35] Investment is held by New Mountain Finance SBIC II, L.P.
[36] The Company's preferred equity investment in Dealer Tire Holdings, LLC is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of September 30, 2025, the Company's stated value of it's share, plus unpaid compounded dividends, was $84,739.
[37] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer, Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of September 30, 2025, the Company's stated value of it's equity investment, plus unpaid compounded dividends, was $15,827.
[38] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[39] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of September 30, 2025 and December 31, 2024, along with transactions during the nine months ended September 30, 2025 in which the issuer was a non-controlled/affiliated investment, is as follows:
Portfolio CompanyFair Value at December 31, 2024Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at September 30, 2025Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$19,156 $— $— $(820)$18,336 $— $994 $— $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC91,620 5,465 — (22,735)74,350 — 3,171 2,279 188 
Total Non-Controlled/Affiliated Investments$112,776 $5,465 $ $(23,555)$94,686 $ $4,165 $2,279 $188 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[40] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of December 31, 2024 and December 31, 2023 along with transactions during the year ended December 31, 2024 in which the issuer was a non-controlled/affiliated investment is as follows:
Portfolio CompanyFair Value at December 31, 2023Gross
Additions (A)
Gross
Redemptions
(B)
Net Change In Unrealized Appreciation (Depreciation)Fair Value at December 31, 2024Net Realized Gains (Losses)Interest
Income
Dividend
Income
Other
Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$17,873 $— $(50)$1,333 $19,156 $— $1,432 $— $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC113,786 16,409 — (38,575)91,620 — 3,659 5,843 250 
Total Non-Controlled/Affiliated Investments$133,659 $16,409 $(50)$(37,242)$112,776 $ $5,091 $5,843 $250 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[41] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of September 30, 2025, the Company's stated value of it's equity investment, plus unpaid compounded dividends, was $2,094.
[42] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc.
[43] The Company holds ordinary shares and Class B-1 and Class B-2 of preferred equity in TVG-Edmentum Holdings, LLC and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of September 30, 2025, the Company's stated value of the Company's Class B-1 and Class B-2 preferred equity investments, plus unpaid compounded dividends, was $48,080 and $29,707, respectively.
[44] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and three first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[45] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[46] The Company holds an LP Interest in Firebird Co-Invest L.P. and holds a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P. .
[47] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that are calculated using the unreturned original investment plus any unpaid capitalized dividends. As of September 30, 2025, the Company's unreturned original investment, plus any unpaid compounded dividends, was $4,767.
[48] Investment is held by NMF HB, Inc.
[49] Investment is held by NMF HB, Inc.
[50] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of September 30, 2025, the Company's stated value of it's share, plus unpaid compounded dividends, was $12,400.
[51] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and two first lien delayed draws in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc.
[52] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[53] Denotes investments in which the Company "controls", as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of September 30, 2025 and December 31, 2024, along with transactions during the nine months ended September 30, 2025 in which the issuer was a controlled investment, is as follows:
Portfolio Company (1)Fair Value at December 31, 2024Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at September 30, 2025Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
National HME, Inc./NHME Holdings Corp.$3,000 $— $— $— $3,000 $— $— $— $— 
New Benevis Topco, LLC / New Benevis Holdco, Inc.140,102 13,606 — (1,916)151,792 — 10,489 — 1,383 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,076 6,159 — (5,901)63,334 — 4,260 — 375 
NM NL Holdings, L.P.104,512 — — 1,366 105,878 — — 6,564 — 
NM GP Holdco, LLC322 — — 71 393 — — 33 — 
NM YI LLC9,960 — — (1,287)8,673 — — 674 — 
NMFC Senior Loan Program III LLC160,000 — — — 160,000 — — 17,000 — 
NMFC Senior Loan Program IV LLC112,400 — — — 112,400 — — 11,521 — 
UniTek Global Services, Inc.107,524 69,314 (60,582)(46,166)70,090 38,898 516 7,781 820 
Total Controlled Investments$700,896 $89,079 $(60,582)$(53,833)$675,560 $38,898 $15,265 $43,573 $2,578 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[54] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[55] Denotes investments in which the Company is in “Control”, as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of December 31, 2024 and December 31, 2023 along with transactions during the year ended December 31, 2024 in which the issuer was a controlled investment, is as follows:
Portfolio CompanyFair Value at December 31, 2023Gross
Additions
(A)
Gross
Redemptions
(B)
Net Change In
Unrealized
Appreciation
(Depreciation)
Fair Value at December 31, 2024Net Realized Gains (Losses)Interest
Income
Dividend
Income
Other
Income
Haven Midstream LLC / Haven Midstream Holdings LLC / QID TRH Holdings LLC $3,419 $— $— $(3,419)$— $4,981 $— $— $41 
National HME, Inc./NHME Holdings Corp.3,000 — — — 3,000 — — — — 
New Benevis Topco, LLC / New Benevis Holdco, Inc.135,401 10,595 — (5,894)140,102 — 12,934 — 375 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,170 7,005 — (7,099)63,076 — 5,382 — 500 
NM APP CANADA CORP— — (7)— 31 — — — 
NM CLFX LP11,731 — (12,279)548 — (2,461)— 24 845 
NM NL Holdings, L.P.96,071 — (2,123)10,564 104,512 (548)— 8,116 181 
NM GP Holdco, LLC1,048 — (11)(715)322 (3)— 89 — 
NM YI LLC9,550 — — 410 9,960 — — 879 — 
NMFC Senior Loan Program III LLC140,000 20,000 — — 160,000 — — 23,304 — 
NMFC Senior Loan Program IV LLC112,400 — — — 112,400 — — 16,228 — 
UniTek Global Services, Inc.91,999 9,577 — 5,948 107,524 — 3,133 6,446 1,450 
Total Controlled Investments$667,796 $47,177 $(14,413)$336 $700,896 $2,000 $21,449 $55,086 $3,392 

(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[56] Investment is held by New Mountain Net Lease Corporation.
[57] Investment is held by New Mountain Net Lease Corporation.
[58] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of September 30, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $16,059 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $19,243, $7,522, $1,311 and $92, respectively. See Note 2. Summary of Significant Accounting Policies, for details
[59] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2024, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,057 and the Nelipak Holding Company first lien term loan, drawn revolver, undrawn delayed draw term loan and undrawn revolver is $17,109, $406 $6,638 and $833, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[60] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[61] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of December 31, 2024. See Note 2. Summary of Significant Accounting Policies, for details.
[62] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of September 30, 2025. See Note 2. Summary of Significant Accounting Policies, for details.
[63] Investment is held by NMF Permian Holdings, LLC.
[64] Investment is held by NMF Permian Holdings, LLC.
[65] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[66] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[67] Investment is held by NMF Pioneer, Inc.
[68] Investment is held by NMF Pioneer, Inc.