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Investments - Individual Investments in the Portfolios of SLP III and SLP IV (Details)
€ in Thousands, £ in Thousands, $ in Thousands
Mar. 31, 2023
USD ($)
Mar. 31, 2023
GBP (£)
Mar. 31, 2023
EUR (€)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
GBP (£)
Dec. 31, 2022
EUR (€)
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost $ 3,302,614 [1]     $ 3,259,967 [2]            
Investments at fair value 3,270,326 [1]     3,221,247 [2]            
SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 694,046     690,017            
Cost 684,051     681,288            
Investments at fair value 651,129     639,327            
SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 509,213     510,372            
Cost 503,359     504,875            
Investments at fair value 477,724     473,762            
Funded Investments | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 692,030     687,069            
Cost 684,098     681,338            
Investments at fair value 651,226     639,607            
Funded Investments | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 508,246     508,399            
Cost 503,359     504,879            
Investments at fair value 477,771     473,931            
Unfunded Investments | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,016     2,948            
Cost (47)     (50)            
Investments at fair value (97)     (280)            
Unfunded Investments | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 967     1,973            
Cost 0     (4)            
Investments at fair value (47)     (169)            
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[4]     0 [5],[6],[7]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6],[7]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [5],[6],[10] 5.50% [5],[6],[10] 5.50% [5],[6],[10]        
Interest Rate 10.25% [3],[8],[9],[11] 10.25% [3],[8],[9],[11] 10.25% [3],[8],[9],[11] 9.82% [5],[6],[10],[12] 9.82% [5],[6],[10],[12] 9.82% [5],[6],[10],[12]        
Principal Amount, Par Value $ 17,078 [3],[8],[9],[13]     $ 12,357 [5],[6],[10],[14]            
Cost 17,002 [3],[8],[9]     12,369 [5],[6],[10]            
Investments at fair value $ 17,019 [3],[8],[9]     $ 12,204 [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[9],[15] 5.50% [3],[9],[15] 5.50% [3],[9],[15] 5.50% [5],[10],[16] 5.50% [5],[10],[16] 5.50% [5],[10],[16]        
Interest Rate 10.25% [3],[9],[11],[15] 10.25% [3],[9],[11],[15] 10.25% [3],[9],[11],[15] 9.82% [5],[10],[12],[16] 9.82% [5],[10],[12],[16] 9.82% [5],[10],[12],[16]        
Principal Amount, Par Value $ 5,541 [3],[9],[13],[15]     $ 4,009 [5],[10],[14],[16]            
Cost 5,516 [3],[9],[15]     4,013 [5],[10],[16]            
Investments at fair value 5,521 [3],[9],[15]     3,959 [5],[10],[16]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[16]       4,231            
Cost [5],[10],[16]       (42)            
Investments at fair value [5],[10],[16]       (52)            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,689 [3],[9],[13],[15]     3,659 [5],[6],[10],[14]            
Cost (27) [3],[9],[15]     (37) [5],[6],[10]            
Investments at fair value (9) [3],[9],[15]     (45) [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,659 [3],[4],[9],[13]     13,041 [5],[6],[10],[14]            
Cost (37) [3],[4],[9]     (130) [5],[6],[10]            
Investments at fair value (13) [3],[4],[9]     $ (162) [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[8],[9],[13] 8,289                  
Cost [3],[8],[9] (83)                  
Investments at fair value [3],[8],[9] $ (29)                  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.34% [3],[11],[17] 10.34% [3],[11],[17] 10.34% [3],[11],[17] 9.89% [5],[12],[18] 9.89% [5],[12],[18] 9.89% [5],[12],[18]        
Principal Amount, Par Value $ 20,582 [3],[13],[17]     $ 20,634 [5],[14],[18]            
Cost 20,412 [3],[17]     20,457 [5],[18]            
Investments at fair value $ 20,509 [3],[17]     $ 20,378 [5],[18]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[15] 5.50% [3],[15] 5.50% [3],[15] 5.50% [5],[16] 5.50% [5],[16] 5.50% [5],[16]        
Interest Rate 10.34% [3],[11],[15] 10.34% [3],[11],[15] 10.34% [3],[11],[15] 9.89% [5],[12],[16] 9.89% [5],[12],[16] 9.89% [5],[12],[16]        
Principal Amount, Par Value $ 9,772 [3],[13],[15]     $ 9,797 [5],[14],[16]            
Cost 9,691 [3],[15]     9,713 [5],[16]            
Investments at fair value $ 9,738 [3],[15]     $ 9,676 [5],[16]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [3],[4],[19] 11.50% [3],[4],[19] 11.50% [3],[4],[19] 11.50% [5],[6],[20] 11.50% [5],[6],[20] 11.50% [5],[6],[20]        
Interest Rate 11.50% [3],[4],[11],[19] 11.50% [3],[4],[11],[19] 11.50% [3],[4],[11],[19] 11.50% [5],[6],[12],[20] 11.50% [5],[6],[12],[20] 11.50% [5],[6],[12],[20]        
Principal Amount, Par Value $ 12,857 [3],[4],[13]     $ 12,494 [5],[6],[14]            
Cost 12,703 [3],[4]     12,337 [5],[6]            
Investments at fair value $ 12,361 [3],[4]     $ 11,908 [5],[6]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [3],[15],[19] 11.50% [3],[15],[19] 11.50% [3],[15],[19] 11.50% [5],[16],[20] 11.50% [5],[16],[20] 11.50% [5],[16],[20]        
Interest Rate 11.50% [3],[11],[15],[19] 11.50% [3],[11],[15],[19] 11.50% [3],[11],[15],[19] 11.50% [5],[12],[16],[20] 11.50% [5],[12],[16],[20] 11.50% [5],[12],[16],[20]        
Principal Amount, Par Value $ 5,042 [3],[13],[15]     $ 4,900 [5],[14],[16]            
Cost 4,982 [3],[15]     4,838 [5],[16]            
Investments at fair value $ 4,848 [3],[15]     $ 4,670 [5],[16]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [3],[8],[19] 4.50% [3],[8],[19] 4.50% [3],[8],[19] 4.50% [5],[20],[21] 4.50% [5],[20],[21] 4.50% [5],[20],[21]        
PIK 1.25% [3],[8],[19] 1.25% [3],[8],[19] 1.25% [3],[8],[19] 1.25% [5],[20],[21] 1.25% [5],[20],[21] 1.25% [5],[20],[21]        
Interest Rate 10.59% [3],[8],[11],[19] 10.59% [3],[8],[11],[19] 10.59% [3],[8],[11],[19] 10.13% [5],[12],[20],[21] 10.13% [5],[12],[20],[21] 10.13% [5],[12],[20],[21]        
Principal Amount, Par Value $ 22,096 [3],[8],[13]     $ 22,082 [5],[14],[21]            
Cost 21,919 [3],[8]     21,898 [5],[21]            
Investments at fair value $ 21,248 [3],[8]     $ 21,338 [5],[21]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9],[19] 4.50% 4.50% 4.50%              
PIK [3],[4],[9],[19] 1.25% 1.25% 1.25%              
Interest Rate [3],[4],[9],[11],[19] 10.59% 10.59% 10.59%              
Principal Amount, Par Value [3],[4],[9],[13] $ 3,361                  
Cost [3],[4],[9] 3,330                  
Investments at fair value [3],[4],[9] 3,232                  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10],[20]       4.50% 4.50% 4.50%        
PIK [5],[6],[10],[20]       1.25% 1.25% 1.25%        
Interest Rate [5],[6],[10],[12],[20]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 2,840            
Cost [5],[6],[10]       2,813            
Investments at fair value [5],[6],[10]       $ 2,744            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       9.88% 9.88% 9.88%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 259            
Cost [5],[6],[10]       256            
Investments at fair value [5],[6],[10]       250            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,354 [3],[4],[9],[13]     2,095 [5],[6],[10],[14]            
Cost (24) [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value (90) [3],[4],[9]     (71) [5],[6],[10]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,865 [3],[4],[9],[13]     5,386 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (187) [3],[4],[9]     (181) [5],[6],[10]            
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 15,032 [3],[4],[22]     14,605 [5],[6],[23]            
Investments at fair value $ 14,082 [3],[4],[22]     $ 14,068 [5],[6],[23]            
Investment, Identifier [Axis]: ADG, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9],[19] 4.25% 4.25% 4.25%              
Interest Rate [3],[4],[9],[11],[19] 12.25% 12.25% 12.25%              
Principal Amount, Par Value [3],[4],[9],[13] $ 375                  
Cost [3],[4],[9] 375                  
Investments at fair value [3],[4],[9] $ 349                  
Investment, Identifier [Axis]: ADG, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
PIK 0.50% 0.50% 0.50% 0.50% 0.50% 0.50%        
Interest Rate 10.56% 10.56% 10.56% 9.69% 9.69% 9.69%        
Principal Amount, Par Value $ 16,343     $ 16,335            
Cost 16,329     16,315            
Investments at fair value 15,205     $ 15,674            
Investment, Identifier [Axis]: ADG, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 307                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ (21)                  
Investment, Identifier [Axis]: ADG, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 10.00% [3],[4],[19],[24] 10.00% [3],[4],[19],[24] 10.00% [3],[4],[19],[24] 10.00% [5],[6],[20] 10.00% [5],[6],[20] 10.00% [5],[6],[20]        
Interest Rate 14.81% [3],[4],[11],[19],[24] 14.81% [3],[4],[11],[19],[24] 14.81% [3],[4],[11],[19],[24] 14.38% [5],[6],[12],[20] 14.38% [5],[6],[12],[20] 14.38% [5],[6],[12],[20]        
Principal Amount, Par Value $ 7,430 [3],[4],[13]     $ 7,430 [5],[6],[14]            
Cost 7,413 [3],[4]     7,413 [5],[6]            
Investments at fair value $ 2,667 [3],[4]     $ 4,984 [5],[6]            
Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 2,394     $ 2,400            
Cost 2,385     2,391            
Investments at fair value $ 2,228     $ 2,194            
Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 1,847     $ 1,852            
Cost 1,840     1,844            
Investments at fair value $ 1,719     $ 1,693            
Investment, Identifier [Axis]: AG Parent Holdings, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 9.84% 9.84% 9.84% 9.38% 9.38% 9.38%        
Principal Amount, Par Value $ 12,094     $ 12,125            
Cost 12,062     12,092            
Investments at fair value $ 11,747     $ 11,769            
Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 9,675     $ 9,700            
Cost 9,649     9,672            
Investments at fair value $ 9,551     $ 9,512            
Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 11,548     $ 11,577            
Cost 11,487     11,513            
Investments at fair value $ 11,399     $ 11,353            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[17] 8.25% [3],[17] 8.25% [3],[17] 8.25% [5],[18] 8.25% [5],[18] 8.25% [5],[18]        
Interest Rate 10.95% [3],[11],[17] 10.95% [3],[11],[17] 10.95% [3],[11],[17] 10.95% [5],[12],[18] 10.95% [5],[12],[18] 10.95% [5],[12],[18]        
Principal Amount, Par Value $ 13,444 [3],[13],[17]     $ 13,444 [5],[14],[18]            
Cost 13,424 [3],[17]     13,421 [5],[18]            
Investments at fair value $ 13,444 [3],[17]     13,444 [5],[18]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 10.55% 10.55% 10.55%              
Principal Amount, Par Value [3],[4],[9],[13] $ 303                  
Cost [3],[4],[9] 358                  
Investments at fair value [3],[4],[9] 300                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,969 [3],[4],[9],[13]     1,969 [5],[6],[10],[14]            
Cost (10) [3],[4],[9]     (10) [5],[6],[10]            
Investments at fair value (19) [3],[4],[9]     (39) [5],[6],[10]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 11,414 [3],[4],[9],[13]     11,718 [5],[6],[10],[14]            
Cost (57) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (107) [3],[4],[9]     $ (234) [5],[6],[10]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 22,265 [3],[8],[13]     $ 22,321 [5],[14],[21]            
Cost 22,170 [3],[8]     22,223 [5],[21]            
Investments at fair value $ 22,056 [3],[8]     $ 21,875 [5],[21]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 4,014 [3],[8],[13]     $ 4,024 [5],[14],[21]            
Cost 3,995 [3],[8]     4,004 [5],[21]            
Investments at fair value 3,976 [3],[8]     3,943 [5],[21]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 30,778                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,652 [3],[4],[9],[13]     2,652 [5],[6],[10],[14]            
Cost 0 [3],[4],[9],[25]     0 [5],[6],[7],[10]            
Investments at fair value $ 0 [3],[4],[9],[25]     $ 0 [5],[6],[7],[10]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8],[19],[24] 5.75% [3],[8],[19],[24] 5.75% [3],[8],[19],[24] 5.75% [5],[20],[21],[26] 5.75% [5],[20],[21],[26] 5.75% [5],[20],[21],[26]        
PIK 0.50% [3],[8],[19],[24] 0.50% [3],[8],[19],[24] 0.50% [3],[8],[19],[24] 0.50% [5],[20],[21],[26] 0.50% [5],[20],[21],[26] 0.50% [5],[20],[21],[26]        
Interest Rate 10.92% [3],[8],[11],[19],[24] 10.92% [3],[8],[11],[19],[24] 10.92% [3],[8],[11],[19],[24] 10.38% [5],[12],[20],[21],[26] 10.38% [5],[12],[20],[21],[26] 10.38% [5],[12],[20],[21],[26]        
Principal Amount, Par Value $ 29,251 [3],[8],[13]     $ 28,829 [5],[14],[21]            
Cost 29,212 [3],[8]     28,787 [5],[21]            
Investments at fair value $ 21,847 [3],[8]     $ 20,599 [5],[21]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 13.50% [3],[4],[19],[24] 13.50% [3],[4],[19],[24] 13.50% [3],[4],[19],[24] 13.50% [5],[6],[20],[26] 13.50% [5],[6],[20],[26] 13.50% [5],[6],[20],[26]        
PIK 0.50% [3],[4],[19],[24] 0.50% [3],[4],[19],[24] 0.50% [3],[4],[19],[24] 0.50% [5],[6],[20],[26] 0.50% [5],[6],[20],[26] 0.50% [5],[6],[20],[26]        
Interest Rate 18.67% [3],[4],[11],[19],[24] 18.67% [3],[4],[11],[19],[24] 18.67% [3],[4],[11],[19],[24] 18.13% [5],[6],[12],[20],[26] 18.13% [5],[6],[12],[20],[26] 18.13% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 1,527 [3],[4],[13]     $ 1,527 [5],[6],[14]            
Cost 1,527 [3],[4]     1,527 [5],[6]            
Investments at fair value 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value               $ 13,227    
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 13,212                  
Investments at fair value $ 8,739                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [3],[4],[19],[24] 1.00% [3],[4],[19],[24] 1.00% [3],[4],[19],[24] 1.00% [5],[6],[20],[26] 1.00% [5],[6],[20],[26] 1.00% [5],[6],[20],[26]        
Interest Rate 5.76% [3],[4],[11],[19],[24] 5.76% [3],[4],[11],[19],[24] 5.76% [3],[4],[11],[19],[24] 4.75% [5],[6],[12],[20],[26] 4.75% [5],[6],[12],[20],[26] 4.75% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 5,230 [3],[4],[13]     $ 5,230 [5],[6],[14]            
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value                 $ 5,230  
Investment, Identifier [Axis]: Anaplan, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 11.31% [3],[8],[11] 11.31% [3],[8],[11] 11.31% [3],[8],[11] 10.82% [5],[12],[21] 10.82% [5],[12],[21] 10.82% [5],[12],[21]        
Principal Amount, Par Value $ 33,618 [3],[8],[13]     $ 33,618 [5],[14],[21]            
Cost 33,308 [3],[8]     33,300 [5],[21]            
Investments at fair value 33,282 [3],[8]     33,282 [5],[21]            
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 83 [3],[27]     83 [5],[28]            
Investments at fair value 158 [3],[27]     158 [5],[28]            
Investment, Identifier [Axis]: Ansira Holdings, Inc, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       1,161            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ 0            
Investment, Identifier [Axis]: Ansira Holdings, Inc.                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 41,295                  
Investments at fair value $ 9,211                  
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[4],[9],[19] 8.00% [3],[4],[9],[19] 8.00% [3],[4],[9],[19] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20]        
PIK 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 8.00% [5],[6],[10],[20] 8.00% [5],[6],[10],[20] 8.00% [5],[6],[10],[20]        
Interest Rate 14.91% [3],[4],[9],[11],[19] 14.91% [3],[4],[9],[11],[19] 14.91% [3],[4],[9],[11],[19] 14.42% [5],[6],[10],[12],[20] 14.42% [5],[6],[10],[12],[20] 14.42% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 341 [3],[4],[9],[13]     $ 313 [5],[6],[10],[14]            
Cost 341 [3],[4],[9]     313 [5],[6],[10]            
Investments at fair value 341 [3],[4],[9]     $ 313 [5],[6],[10]            
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,161                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[19],[24] 6.50% [3],[4],[19],[24] 6.50% [3],[4],[19],[24] 6.50% [5],[18],[20],[26] 6.50% [5],[18],[20],[26] 6.50% [5],[18],[20],[26]        
Interest Rate 11.71% [3],[4],[11],[19],[24] 11.71% [3],[4],[11],[19],[24] 11.71% [3],[4],[11],[19],[24] 10.91% [5],[12],[18],[20],[26] 10.91% [5],[12],[18],[20],[26] 10.91% [5],[12],[18],[20],[26]        
Principal Amount, Par Value $ 32,881 [3],[4],[13]     $ 32,953 [5],[14],[18]            
Cost 32,987 [3],[4]     33,059 [5],[18]            
Investments at fair value $ 7,355 [3],[4]     $ 14,829 [5],[18]            
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[19],[24] 6.50% [3],[4],[19],[24] 6.50% [3],[4],[19],[24] 6.50% [5],[6],[20],[26] 6.50% [5],[6],[20],[26] 6.50% [5],[6],[20],[26]        
Interest Rate 11.45% [3],[4],[11],[19],[24] 11.45% [3],[4],[11],[19],[24] 11.45% [3],[4],[11],[19],[24] 11.15% [5],[6],[12],[20],[26] 11.15% [5],[6],[12],[20],[26] 11.15% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 8,298 [3],[4],[13]     $ 8,316 [5],[6],[14]            
Cost 8,308 [3],[4]     8,308 [5],[6]            
Investments at fair value 1,856 [3],[4]     3,742 [5],[6]            
Investment, Identifier [Axis]: Appriss Health Intermediate Holdings, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,832 [3],[4],[29]     2,755 [5],[6]            
Investments at fair value $ 2,626 [3],[4],[29]     $ 2,628 [5],[6]            
Investment, Identifier [Axis]: Appriss Health, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[17] 7.25% [3],[17] 7.25% [3],[17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 11.96% [3],[11],[17] 11.96% [3],[11],[17] 11.96% [3],[11],[17] 11.54% [5],[12],[18] 11.54% [5],[12],[18] 11.54% [5],[12],[18]        
Principal Amount, Par Value $ 6,227 [3],[13],[17]     $ 6,234 [5],[14],[18]            
Cost 6,181 [3],[17]     6,186 [5],[18],[30]            
Investments at fair value $ 6,108 [3],[17]     6,234 [5],[18],[30]            
Investment, Identifier [Axis]: Appriss Health, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 7.25% 7.25% 7.25%              
Interest Rate [3],[4],[9],[11] 11.93% 11.93% 11.93%              
Principal Amount, Par Value [3],[4],[9],[13] $ 208                  
Cost [3],[4],[9] 206                  
Investments at fair value [3],[4],[9] 204                  
Investment, Identifier [Axis]: Appriss Health, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 208 [3],[4],[9],[13]     417 [5],[6],[10],[14]            
Cost (2) [3],[4],[9],[29]     (4) [5],[6],[10],[30]            
Investments at fair value $ (4) [3],[4],[9],[29]     $ 0 [5],[6],[10],[30]            
Investment, Identifier [Axis]: Apptio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[9] 5.00% [3],[4],[9] 5.00% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 9.80% [3],[4],[9],[11] 9.80% [3],[4],[9],[11] 9.80% [3],[4],[9],[11] 9.94% [5],[6],[10],[12] 9.94% [5],[6],[10],[12] 9.94% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,860 [3],[4],[9],[13]     $ 1,240 [5],[6],[10],[14]            
Cost 1,822 [3],[4],[9]     1,215 [5],[6],[10]            
Investments at fair value 1,860 [3],[4],[9]     1,240 [5],[6],[10]            
Investment, Identifier [Axis]: Apptio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 207 [3],[4],[9],[13]     827 [5],[6],[10],[14]            
Cost (4) [3],[4],[9]     (17) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Apptio, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[17] 5.00% [3],[17] 5.00% [3],[17] 6.00% [5],[18] 6.00% [5],[18] 6.00% [5],[18]        
Interest Rate 9.81% [3],[11],[17] 9.81% [3],[11],[17] 9.81% [3],[11],[17] 9.94% [5],[12],[18] 9.94% [5],[12],[18] 9.94% [5],[12],[18]        
Principal Amount, Par Value $ 5,703 [3],[13],[17]     $ 5,703 [5],[14],[18]            
Cost 5,663 [3],[17]     5,658 [5],[18]            
Investments at fair value $ 5,703 [3],[17]     $ 5,703 [5],[18]            
Investment, Identifier [Axis]: Apptio, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[8] 5.00% [3],[8] 5.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 9.81% [3],[8],[11] 9.81% [3],[8],[11] 9.81% [3],[8],[11] 9.94% [5],[12],[21] 9.94% [5],[12],[21] 9.94% [5],[12],[21]        
Principal Amount, Par Value $ 5,500 [3],[8],[13]     $ 5,500 [5],[14],[21]            
Cost 5,461 [3],[8]     5,456 [5],[21]            
Investments at fair value $ 5,500 [3],[8]     $ 5,500 [5],[21]            
Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.41% 9.41% 9.41%              
Principal Amount, Par Value $ 4,936                  
Cost 4,838                  
Investments at fair value $ 4,838                  
Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.41% 9.41% 9.41%              
Principal Amount, Par Value $ 3,808                  
Cost 3,732                  
Investments at fair value $ 3,732                  
Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.66% 8.66% 8.66% 8.23% 8.23% 8.23%        
Principal Amount, Par Value $ 6,821     $ 6,838            
Cost 6,792     6,806            
Investments at fair value $ 5,809     $ 5,624            
Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.66% 8.66% 8.66% 8.23% 8.23% 8.23%        
Principal Amount, Par Value $ 5,262     $ 5,275            
Cost 5,240     5,251            
Investments at fair value 4,481     4,339            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,543 [3],[4],[9],[13]     3,543 [5],[6],[10],[14]            
Cost (18) [3],[4],[9]     (18) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Associations, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [5],[20],[21] 4.00% [5],[20],[21] 4.00% [5],[20],[21]        
PIK 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [5],[20],[21] 2.50% [5],[20],[21] 2.50% [5],[20],[21]        
Interest Rate 11.36% [3],[8],[11],[19] 11.36% [3],[8],[11],[19] 11.36% [3],[8],[11],[19] 10.36% [5],[12],[20],[21] 10.36% [5],[12],[20],[21] 10.36% [5],[12],[20],[21]        
Principal Amount, Par Value $ 36,014 [3],[8],[13]     $ 35,786 [5],[14],[21]            
Cost 35,890 [3],[8]     35,657 [5],[21]            
Investments at fair value $ 36,014 [3],[8]     $ 35,786 [5],[21]            
Investment, Identifier [Axis]: Associations, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 11.47% [3],[11],[17],[19] 11.47% [3],[11],[17],[19] 11.47% [3],[11],[17],[19] 11.26% [5],[12],[18],[20] 11.26% [5],[12],[18],[20] 11.26% [5],[12],[18],[20]        
Principal Amount, Par Value $ 8,865 [3],[13],[17]     $ 8,810 [5],[14],[18]            
Cost 8,831 [3],[17]     8,774 [5],[18]            
Investments at fair value $ 8,865 [3],[17]     $ 8,810 [5],[18]            
Investment, Identifier [Axis]: Associations, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [5],[20],[21] 4.00% [5],[20],[21] 4.00% [5],[20],[21]        
PIK 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [5],[20],[21] 2.50% [5],[20],[21] 2.50% [5],[20],[21]        
Interest Rate 11.55% [3],[8],[11],[19] 11.55% [3],[8],[11],[19] 11.55% [3],[8],[11],[19] 11.29% [5],[12],[20],[21] 11.29% [5],[12],[20],[21] 11.29% [5],[12],[20],[21]        
Principal Amount, Par Value $ 8,865 [3],[8],[13]     $ 8,810 [5],[14],[21]            
Cost 8,830 [3],[8]     8,773 [5],[21]            
Investments at fair value $ 8,865 [3],[8]     $ 8,810 [5],[21]            
Investment, Identifier [Axis]: Associations, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 11.48% [3],[11],[17],[19] 11.48% [3],[11],[17],[19] 11.48% [3],[11],[17],[19] 10.97% [5],[12],[18],[20] 10.97% [5],[12],[18],[20] 10.97% [5],[12],[18],[20]        
Principal Amount, Par Value $ 5,355 [3],[13],[17]     $ 5,321 [5],[14],[18]            
Cost 5,335 [3],[17]     5,300 [5],[18]            
Investments at fair value $ 5,355 [3],[17]     $ 5,321 [5],[18]            
Investment, Identifier [Axis]: Associations, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 11.38% [3],[11],[17],[19] 11.38% [3],[11],[17],[19] 11.38% [3],[11],[17],[19] 10.36% [5],[12],[18],[20] 10.36% [5],[12],[18],[20] 10.36% [5],[12],[18],[20]        
Principal Amount, Par Value $ 4,260 [3],[13],[17]     $ 4,233 [5],[14],[18]            
Cost 4,245 [3],[17]     4,217 [5],[18]            
Investments at fair value $ 4,260 [3],[17]     $ 4,233 [5],[18]            
Investment, Identifier [Axis]: AssuredPartners, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.06% 9.06% 9.06% 8.57% 8.57% 8.57%        
Principal Amount, Par Value $ 1,990     $ 1,995            
Cost 1,925     1,926            
Investments at fair value $ 1,988     $ 1,985            
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[17] 8.25% [3],[17] 8.25% [3],[17] 8.25% [5],[18] 8.25% [5],[18] 8.25% [5],[18]        
Interest Rate 13.09% [3],[11],[17] 13.09% [3],[11],[17] 13.09% [3],[11],[17] 12.63% [5],[12],[18] 12.63% [5],[12],[18] 12.63% [5],[12],[18]        
Principal Amount, Par Value $ 34,459 [3],[13],[17]     $ 34,459 [5],[14],[18]            
Cost 34,278 [3],[17]     34,271 [5],[18]            
Investments at fair value $ 34,459 [3],[17],[31]     $ 34,356 [5],[18],[32]            
Investment, Identifier [Axis]: Aston FinCo S.a.r.l. / Aston US Finco, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.09% 9.09% 9.09% 8.63% 8.63% 8.63%        
Principal Amount, Par Value $ 5,820     $ 5,835            
Cost 5,788     5,801            
Investments at fair value $ 5,005     $ 4,989            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [21] 7.25% [21] 7.25% [21]        
Interest Rate 11.98% [3],[8],[11] 11.98% [3],[8],[11] 11.98% [3],[8],[11] 11.48% [12],[21] 11.48% [12],[21] 11.48% [12],[21]        
Principal Amount, Par Value $ 3,454 [3],[8],[13]     $ 3,454 [14],[21]            
Cost 3,404 [3],[8]     3,402 [21]            
Investments at fair value 3,402 [3],[8],[31]     3,402 [21],[32]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 320 [3],[4],[9],[13]     320 [6],[10],[14]            
Cost (5) [3],[4],[9]     (5) [6],[10]            
Investments at fair value $ (5) [3],[4],[9],[31]     $ (5) [6],[10],[32]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[18]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[14],[18]       $ 22,069            
Cost [5],[18]       21,880            
Investments at fair value [5],[18]       $ 21,694            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[21]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[14],[21]       $ 14,925            
Cost [5],[21]       14,797            
Investments at fair value [5],[21]       14,671            
Investment, Identifier [Axis]: Auctane, Inc. (fka Stamps.com Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 5.75% 5.75% 5.75%              
Interest Rate [3],[11],[17] 10.59% 10.59% 10.59%              
Principal Amount, Par Value [3],[13],[17] $ 22,013                  
Cost [3],[17] 21,831                  
Investments at fair value [3],[17] $ 21,890                  
Investment, Identifier [Axis]: Auctane, Inc. (fka Stamps.com Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 10.59% 10.59% 10.59%              
Principal Amount, Par Value [3],[8],[13] $ 14,887                  
Cost [3],[8] 14,764                  
Investments at fair value [3],[8] 14,804                  
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,538 [3],[4],[9],[13]     3,538 [5],[6],[10],[14]            
Cost (44) [3],[4],[9]     (44) [5],[6],[10]            
Investments at fair value $ (4) [3],[4],[9]     $ (30) [5],[6],[10]            
Investment, Identifier [Axis]: Avalara, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[17] 7.25% [3],[17] 7.25% [3],[17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 12.15% [3],[11],[17] 12.15% [3],[11],[17] 12.15% [3],[11],[17] 11.83% [5],[12],[18] 11.83% [5],[12],[18] 11.83% [5],[12],[18]        
Principal Amount, Par Value $ 22,500 [3],[13],[17]     $ 22,500 [5],[14],[18]            
Cost 22,234 [3],[17]     22,226 [5],[18]            
Investments at fair value $ 22,473 [3],[17]     $ 22,307 [5],[18]            
Investment, Identifier [Axis]: Avalara, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [5],[21] 7.25% [5],[21] 7.25% [5],[21]        
Interest Rate 12.15% [3],[8],[11] 12.15% [3],[8],[11] 12.15% [3],[8],[11] 11.83% [5],[12],[21] 11.83% [5],[12],[21] 11.83% [5],[12],[21]        
Principal Amount, Par Value $ 12,880 [3],[8],[13]     $ 12,880 [5],[14],[21]            
Cost 12,728 [3],[8]     12,723 [5],[21]            
Investments at fair value $ 12,865 [3],[8]     $ 12,769 [5],[21]            
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 4,247     $ 4,258            
Cost 4,226     4,235            
Investments at fair value $ 4,177     $ 4,141            
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.63% 4.63% 4.63% 4.63% 4.63% 4.63%        
Interest Rate 9.53% 9.53% 9.53% 9.05% 9.05% 9.05%        
Principal Amount, Par Value $ 3,249     $ 3,257            
Cost 3,154     3,156            
Investments at fair value 3,219     3,205            
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,122 [3],[4],[33]     10,782 [5],[6],[34]            
Investments at fair value $ 11,028 [3],[4],[31],[33]     $ 10,748 [5],[6],[32],[34]            
Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.18% 9.18% 9.18% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 4,988     $ 5,000            
Cost 4,848     4,856            
Investments at fair value $ 4,798     $ 4,822            
Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.30% 9.30% 9.30% 8.96% 8.96% 8.96%        
Principal Amount, Par Value $ 9,008     $ 8,607            
Cost 8,962     8,571            
Investments at fair value $ 8,648     $ 8,305            
Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.66% 8.66% 8.66% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 2,232     $ 2,238            
Cost 2,215     2,220            
Investments at fair value $ 2,162     $ 2,123            
Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.66% 8.66% 8.66% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 1,747     $ 1,751            
Cost 1,741     1,746            
Investments at fair value $ 1,692     $ 1,661            
Investment, Identifier [Axis]: Bleriot US Bidco Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.16% 9.16% 9.16% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 3,930     $ 3,940            
Cost 3,930     3,940            
Investments at fair value $ 3,937     $ 3,907            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [5],[6],[10] 5.75% [5],[6],[10] 5.75% [5],[6],[10]        
Interest Rate 10.88% [3],[4],[9],[11] 10.88% [3],[4],[9],[11] 10.88% [3],[4],[9],[11] 9.93% [5],[6],[10],[12] 9.93% [5],[6],[10],[12] 9.93% [5],[6],[10],[12]        
Principal Amount, Par Value $ 606 [3],[4],[9],[13]     $ 1,212 [5],[6],[10],[14]            
Cost 597 [3],[4],[9]     1,194 [5],[6],[10]            
Investments at fair value $ 595 [3],[4],[9]     $ 1,177 [5],[6],[10]            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% 5.75% 5.75% 5.75% 5.75% 5.75%        
Interest Rate 10.91% 10.91% 10.91% 10.48% 10.48% 10.48%        
Principal Amount, Par Value $ 9,675     $ 9,700            
Cost 9,597     9,617            
Investments at fair value $ 9,503     $ 9,418            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% 5.75% 5.75% 5.75% 5.75% 5.75%        
Interest Rate 10.91% 10.91% 10.91% 10.48% 10.48% 10.48%        
Principal Amount, Par Value $ 2,556     $ 2,562            
Cost 2,526     2,530            
Investments at fair value 2,511     2,488            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 909 [3],[4],[9],[13]     303 [5],[6],[10],[14]            
Cost (14) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ (16) [3],[4],[9]     $ (9) [5],[6],[10]            
Investment, Identifier [Axis]: Bluefin Holding, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [3],[17] 7.75% [3],[17] 7.75% [3],[17] 7.75% [5],[18] 7.75% [5],[18] 7.75% [5],[18]        
Interest Rate 12.70% [3],[11],[17] 12.70% [3],[11],[17] 12.70% [3],[11],[17] 12.48% [5],[12],[18] 12.48% [5],[12],[18] 12.48% [5],[12],[18]        
Principal Amount, Par Value $ 18,000 [3],[13],[17]     $ 18,000 [5],[14],[18]            
Cost 18,000 [3],[17]     18,000 [5],[18]            
Investments at fair value $ 17,559 [3],[17]     $ 17,338 [5],[18]            
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.04% 9.04% 9.04% 7.99% 7.99% 7.99%        
Principal Amount, Par Value $ 14,325     $ 14,362            
Cost 14,297     14,333            
Investments at fair value $ 14,137     $ 13,689            
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.04% 9.04% 9.04% 7.99% 7.99% 7.99%        
Principal Amount, Par Value $ 4,416     $ 4,427            
Cost 4,407     4,418            
Investments at fair value $ 4,358     $ 4,220            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 4,254     $ 4,266            
Cost 4,249     4,260            
Investments at fair value $ 4,173     $ 4,145            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 2,339     $ 2,345            
Cost 2,336     2,342            
Investments at fair value $ 2,294     $ 2,278            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[35] 7.50% [3],[35] 7.50% [3],[35] 7.50% [5],[36] 7.50% [5],[36] 7.50% [5],[36]        
Interest Rate 12.34% [3],[11],[35] 12.34% [3],[11],[35] 12.34% [3],[11],[35] 11.88% [5],[12],[36] 11.88% [5],[12],[36] 11.88% [5],[12],[36]        
Principal Amount, Par Value $ 22,500 [3],[13],[35]     $ 22,500 [5],[14],[36]            
Cost 22,447 [3],[35]     22,443 [5],[36]            
Investments at fair value $ 21,798 [3],[35]     $ 21,798 [5],[36]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[8] 7.50% [3],[8] 7.50% [3],[8] 7.50% [5],[21] 7.50% [5],[21] 7.50% [5],[21]        
Interest Rate 12.34% [3],[8],[11] 12.34% [3],[8],[11] 12.34% [3],[8],[11] 11.88% [5],[12],[21] 11.88% [5],[12],[21] 11.88% [5],[12],[21]        
Principal Amount, Par Value $ 16,624 [3],[8],[13]     $ 16,624 [5],[14],[21]            
Cost 16,545 [3],[8]     16,540 [5],[21]            
Investments at fair value $ 16,104 [3],[8]     $ 16,104 [5],[21]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[17] 7.50% [3],[17] 7.50% [3],[17] 7.50% [5],[18] 7.50% [5],[18] 7.50% [5],[18]        
Interest Rate 12.34% [3],[11],[17] 12.34% [3],[11],[17] 12.34% [3],[11],[17] 11.88% [5],[12],[18] 11.88% [5],[12],[18] 11.88% [5],[12],[18]        
Principal Amount, Par Value $ 6,000 [3],[13],[17]     $ 6,000 [5],[14],[18]            
Cost 5,971 [3],[17]     5,970 [5],[18]            
Investments at fair value $ 5,812 [3],[17]     $ 5,813 [5],[18]            
Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.46% 8.46% 8.46% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 7,027     $ 7,045            
Cost 6,863     6,875            
Investments at fair value $ 7,040     $ 7,033            
Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.46% 8.46% 8.46% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 5,410     $ 5,424            
Cost 5,283     5,293            
Investments at fair value 5,420     $ 5,416            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.48% 10.48% 10.48%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 392            
Cost [5],[6],[10]       389            
Investments at fair value [5],[6],[10]       392            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 852 [3],[4],[9],[13]     460 [5],[6],[10],[14]            
Cost (6) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 16,616 [3],[8],[13]     $ 16,659 [5],[14],[21]            
Cost 16,548 [3],[8]     16,586 [5],[21]            
Investments at fair value $ 16,616 [3],[8]     $ 16,659 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 3,433 [3],[8],[13]     $ 3,442 [5],[14],[21]            
Cost 3,426 [3],[8]     3,435 [5],[21]            
Investments at fair value $ 3,433 [3],[8]     $ 3,442 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 769 [3],[8],[13]     $ 771 [5],[14],[21]            
Cost 765 [3],[8]     766 [5],[21]            
Investments at fair value $ 769 [3],[8]     $ 771 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 345 [3],[8],[13]     $ 345 [5],[14],[21]            
Cost 343 [3],[8]     344 [5],[21]            
Investments at fair value $ 345 [3],[8]     $ 345 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 275 [3],[8],[13]     $ 275 [5],[14],[21]            
Cost 273 [3],[8]     274 [5],[21]            
Investments at fair value $ 275 [3],[8]     $ 275 [5],[21]            
Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.86% 8.86% 8.86% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 10,893     $ 10,920            
Cost 10,829     10,854            
Investments at fair value $ 10,430     $ 10,388            
Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.86% 8.86% 8.86% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 8,157     $ 8,178            
Cost 8,108     8,127            
Investments at fair value $ 7,810     $ 7,779            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [5],[20],[21] 6.25% [5],[20],[21] 6.25% [5],[20],[21]        
PIK 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [5],[20],[21] 0.75% [5],[20],[21] 0.75% [5],[20],[21]        
Interest Rate 12.16% [3],[8],[11],[19] 12.16% [3],[8],[11],[19] 12.16% [3],[8],[11],[19] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21]        
Principal Amount, Par Value $ 11,210 [3],[8],[13]     $ 11,392 [5],[14],[21]            
Cost 11,194 [3],[8]     11,372 [5],[21]            
Investments at fair value $ 10,618 [3],[8]     $ 10,637 [5],[21]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [5],[20],[21] 6.25% [5],[20],[21] 6.25% [5],[20],[21]        
PIK 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [5],[20],[21] 0.75% [5],[20],[21] 0.75% [5],[20],[21]        
Interest Rate 12.16% [3],[8],[11],[19] 12.16% [3],[8],[11],[19] 12.16% [3],[8],[11],[19] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21]        
Principal Amount, Par Value $ 3,339 [3],[8],[13]     $ 3,393 [5],[14],[21]            
Cost 3,333 [3],[8]     3,386 [5],[21]            
Investments at fair value $ 3,163 [3],[8]     $ 3,168 [5],[21]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8],[19] 6.75% [3],[8],[19] 6.75% [3],[8],[19] 5.25% [5],[20],[21] 5.25% [5],[20],[21] 5.25% [5],[20],[21]        
PIK 2.00% [3],[8],[19] 2.00% [3],[8],[19] 2.00% [3],[8],[19] 2.00% [5],[20],[21] 2.00% [5],[20],[21] 2.00% [5],[20],[21]        
Interest Rate 13.65% [3],[8],[11],[19] 13.65% [3],[8],[11],[19] 13.65% [3],[8],[11],[19] 11.98% [5],[12],[20],[21] 11.98% [5],[12],[20],[21] 11.98% [5],[12],[20],[21]        
Principal Amount, Par Value $ 8,339 [3],[8],[13]     $ 8,317 [5],[14],[21]            
Cost 8,269 [3],[8]     8,244 [5],[21]            
Investments at fair value $ 7,379 [3],[8]     $ 7,411 [5],[21]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9],[19] 6.75% [3],[4],[9],[19] 6.75% [3],[4],[9],[19] 5.25% [5],[6],[10],[20] 5.25% [5],[6],[10],[20] 5.25% [5],[6],[10],[20]        
PIK 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20]        
Interest Rate 13.56% [3],[4],[9],[11],[19] 13.56% [3],[4],[9],[11],[19] 13.56% [3],[4],[9],[11],[19] 11.63% [5],[6],[10],[12],[20] 11.63% [5],[6],[10],[12],[20] 11.63% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 921 [3],[4],[9],[13]     $ 916 [5],[6],[10],[14]            
Cost 911 [3],[4],[9]     906 [5],[6],[10]            
Investments at fair value 815 [3],[4],[9]     817 [5],[6],[10]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 226 [3],[4],[9],[13]     226 [5],[6],[10],[14]            
Cost (3) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ (26) [3],[4],[9]     $ (25) [5],[6],[10]            
Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 954     $ 957            
Cost 954     957            
Investments at fair value $ 954     $ 945            
Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 1,979     $ 1,984            
Cost 1,975     1,979            
Investments at fair value $ 1,979     $ 1,960            
Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 10,777     $ 10,806            
Cost 10,762     10,788            
Investments at fair value $ 10,777     $ 10,679            
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.75% [3],[15] 8.75% [3],[15] 8.75% [3],[15] 8.75% [5],[16] 8.75% [5],[16] 8.75% [5],[16]        
Interest Rate 13.91% [3],[11],[15] 13.91% [3],[11],[15] 13.91% [3],[11],[15] 13.48% [5],[12],[16] 13.48% [5],[12],[16] 13.48% [5],[12],[16]        
Principal Amount, Par Value $ 7,012 [3],[13],[15]     $ 7,012 [5],[14],[16]            
Cost 6,978 [3],[15]     6,976 [5],[16]            
Investments at fair value $ 7,012 [3],[15]     $ 6,923 [5],[16]            
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.75% [3],[4] 8.75% [3],[4] 8.75% [3],[4] 8.75% [5],[6] 8.75% [5],[6] 8.75% [5],[6]        
Interest Rate 13.91% [3],[4],[11] 13.91% [3],[4],[11] 13.91% [3],[4],[11] 13.48% [5],[6],[12] 13.48% [5],[6],[12] 13.48% [5],[6],[12]        
Principal Amount, Par Value $ 4,453 [3],[4],[13]     $ 4,453 [5],[6],[14]            
Cost 4,431 [3],[4]     4,430 [5],[6]            
Investments at fair value $ 4,453 [3],[4]     $ 4,396 [5],[6]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.31% 8.31% 8.31% 7.77% 7.77% 7.77%        
Principal Amount, Par Value $ 14,325     $ 14,363            
Cost 14,298     14,333            
Investments at fair value $ 14,030     $ 13,597            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[4] 7.25% [3],[4] 7.25% [3],[4] 7.25% [5],[6] 7.25% [5],[6] 7.25% [5],[6]        
Interest Rate 12.09% [3],[4],[11] 12.09% [3],[4],[11] 12.09% [3],[4],[11] 11.63% [5],[6],[12] 11.63% [5],[6],[12] 11.63% [5],[6],[12]        
Principal Amount, Par Value $ 18,266 [3],[4],[13]     $ 18,266 [5],[6],[14]            
Cost 18,231 [3],[4]     18,229 [5],[6]            
Investments at fair value $ 17,420 [3],[4]     $ 17,409 [5],[6]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[17] 7.25% [3],[17] 7.25% [3],[17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 12.09% [3],[11],[17] 12.09% [3],[11],[17] 12.09% [3],[11],[17] 11.63% [5],[12],[18] 11.63% [5],[12],[18] 11.63% [5],[12],[18]        
Principal Amount, Par Value $ 7,500 [3],[13],[17]     $ 7,500 [5],[14],[18]            
Cost 7,486 [3],[17]     7,485 [5],[18]            
Investments at fair value $ 7,153 [3],[17]     $ 7,148 [5],[18]            
Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 9.90% 9.90% 9.90% 9.58% 9.58% 9.58%        
Principal Amount, Par Value $ 6,965     $ 6,965            
Cost 6,566     6,556            
Investments at fair value $ 6,547     $ 6,539            
Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 9.90% 9.90% 9.90% 9.58% 9.58% 9.58%        
Principal Amount, Par Value $ 2,687     $ 2,687            
Cost 2,533     2,529            
Investments at fair value $ 2,525     $ 2,522            
Investment, Identifier [Axis]: Calabrio, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[35] 7.00% [3],[35] 7.00% [3],[35] 7.00% [5],[36] 7.00% [5],[36] 7.00% [5],[36]        
Interest Rate 12.16% [3],[11],[35] 12.16% [3],[11],[35] 12.16% [3],[11],[35] 11.73% [5],[12],[36] 11.73% [5],[12],[36] 11.73% [5],[12],[36]        
Principal Amount, Par Value $ 12,347 [3],[13],[35]     $ 12,347 [5],[14],[36]            
Cost 12,280 [3],[35]     12,277 [5],[36]            
Investments at fair value $ 11,890 [3],[35]     $ 12,347 [5],[36]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[4],[9] 7.00% [3],[4],[9] 7.00% [3],[4],[9] 7.00% [5],[6],[10] 7.00% [5],[6],[10] 7.00% [5],[6],[10]        
Interest Rate 11.95% [3],[4],[9],[11] 11.95% [3],[4],[9],[11] 11.95% [3],[4],[9],[11] 11.75% [5],[6],[10],[12] 11.75% [5],[6],[10],[12] 11.75% [5],[6],[10],[12]        
Principal Amount, Par Value $ 850 [3],[4],[9],[13]     $ 850 [5],[6],[10],[14]            
Cost 843 [3],[4],[9]     843 [5],[6],[10]            
Investments at fair value 818 [3],[4],[9]     850 [5],[6],[10]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 637 [3],[4],[9],[13]     637 [5],[6],[10],[14]            
Cost (5) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ (24) [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.42% 8.42% 8.42%        
Principal Amount, Par Value       $ 9,508            
Cost       9,476            
Investments at fair value       $ 7,642            
Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.42% 8.42% 8.42%        
Principal Amount, Par Value       $ 7,478            
Cost       7,473            
Investments at fair value       $ 6,011            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [3],[15] 4.50% [3],[15] 4.50% [3],[15] 4.50% [5],[16] 4.50% [5],[16] 4.50% [5],[16]        
Interest Rate 9.66% [3],[11],[15] 9.66% [3],[11],[15] 9.66% [3],[11],[15] 9.23% [5],[12],[16] 9.23% [5],[12],[16] 9.23% [5],[12],[16]        
Principal Amount, Par Value $ 11,944 [3],[13],[15]     $ 11,974 [5],[14],[16]            
Cost 11,880 [3],[15]     11,908 [5],[16]            
Investments at fair value $ 11,136 [3],[15]     $ 11,490 [5],[16]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 9,897     $ 9,922            
Cost 9,693     9,709            
Investments at fair value $ 9,228     $ 9,522            
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [3],[15] 7.75% [3],[15] 7.75% [3],[15] 7.75% [5],[16] 7.75% [5],[16] 7.75% [5],[16]        
Interest Rate 12.90% [3],[11],[15] 12.90% [3],[11],[15] 12.90% [3],[11],[15] 12.46% [5],[12],[16] 12.46% [5],[12],[16] 12.46% [5],[12],[16]        
Principal Amount, Par Value $ 9,767 [3],[13],[15]     $ 9,767 [5],[14],[16]            
Cost 9,691 [3],[15]     9,689 [5],[16]            
Investments at fair value $ 9,439 [3],[15]     $ 9,432 [5],[16]            
Investment, Identifier [Axis]: Castle Management Borrower LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.19% [3],[17] 2.19% [3],[17] 2.19% [3],[17] 2.19% [5],[18] 2.19% [5],[18] 2.19% [5],[18]        
Interest Rate 3.19% [3],[11],[17] 3.19% [3],[11],[17] 3.19% [3],[11],[17] 3.19% [5],[12],[18] 3.19% [5],[12],[18] 3.19% [5],[12],[18]        
Principal Amount, Par Value $ 14,136 [3],[13],[17]     $ 14,288 [5],[14],[18]            
Cost 14,119 [3],[17]     14,269 [5],[18]            
Investments at fair value $ 13,945 [3],[17]     $ 13,605 [5],[18]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 14,362     $ 14,400            
Cost 14,349     14,385            
Investments at fair value $ 12,668     $ 12,488            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 14,363     $ 14,400            
Cost 14,349     14,385            
Investments at fair value $ 12,668     $ 12,488            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4] 7.50% [4] 7.50% [4] 7.50% [6] 7.50% [6] 7.50% [6]        
Interest Rate 12.66% [4],[11] 12.66% [4],[11] 12.66% [4],[11] 12.23% [6],[12] 12.23% [6],[12] 12.23% [6],[12]        
Principal Amount, Par Value $ 47,838 [4],[13]     $ 47,838 [6],[14]            
Cost 47,523 [4]     47,505 [6]            
Investments at fair value $ 41,380 [4]     $ 40,941 [6]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [17] 7.50% [17] 7.50% [17] 7.50% [18] 7.50% [18] 7.50% [18]        
Interest Rate 12.66% [11],[17] 12.66% [11],[17] 12.66% [11],[17] 12.23% [12],[18] 12.23% [12],[18] 12.23% [12],[18]        
Principal Amount, Par Value $ 7,500 [13],[17]     $ 7,500 [14],[18]            
Cost 7,451 [17]     7,448 [18]            
Investments at fair value $ 6,488 [17]     $ 6,419 [18]            
Investment, Identifier [Axis]: Certara Holdco, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.88% 7.88% 7.88%        
Principal Amount, Par Value       $ 3,900            
Cost       3,893            
Investments at fair value       $ 3,849            
Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.78% 8.78% 8.78% 8.78% 8.78% 8.78%        
Principal Amount, Par Value $ 5,702     $ 5,717            
Cost 5,681     5,695            
Investments at fair value $ 5,341     $ 5,274            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.17% [5],[12],[21] 10.17% [5],[12],[21] 10.17% [5],[12],[21]        
Principal Amount, Par Value $ 7,145 [3],[8],[13]     $ 7,163 [5],[14],[21]            
Cost 7,084 [3],[8]     7,100 [5],[21]            
Investments at fair value 7,003 [3],[8]     6,928 [5],[21]            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 425 [3],[4],[9],[13]     425 [5],[6],[10],[14]            
Cost (4) [3],[4],[9]     (4) [5],[6],[10]            
Investments at fair value (8) [3],[4],[9]     (14) [5],[6],[10]            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 849 [3],[4],[9],[13]     849 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (17) [3],[4],[9]     $ (28) [5],[6],[10]            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 8.84% 8.84% 8.84%              
Principal Amount, Par Value $ 14,562                  
Cost 14,498                  
Investments at fair value $ 11,904                  
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 8.84% 8.84% 8.84%              
Principal Amount, Par Value $ 9,752                  
Cost 9,709                  
Investments at fair value $ 7,972                  
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 11,962            
Cost       11,909            
Investments at fair value       $ 10,212            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.68% 8.68% 8.68%        
Principal Amount, Par Value       $ 999            
Cost       991            
Investments at fair value       $ 853            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 1,499            
Cost       1,492            
Investments at fair value       $ 1,280            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 8,014            
Cost       7,979            
Investments at fair value       6,842            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       1,139            
Cost       (6)            
Investments at fair value       (167)            
Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       759            
Cost       (4)            
Investments at fair value       $ (111)            
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.65% 8.65% 8.65% 8.33% 8.33% 8.33%        
Principal Amount, Par Value $ 6,930     $ 6,947            
Cost 6,900     6,916            
Investments at fair value $ 6,722     $ 6,617            
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.65% 8.65% 8.65% 8.33% 8.33% 8.33%        
Principal Amount, Par Value $ 6,930     $ 6,948            
Cost 6,900     6,916            
Investments at fair value $ 6,722     $ 6,617            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.25% 10.25% 10.25% 9.93% 9.93% 9.93%        
Principal Amount, Par Value $ 12,935     $ 12,967            
Cost 12,588     12,598            
Investments at fair value $ 12,935     $ 12,578            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.25% 10.25% 10.25% 9.83% 9.83% 9.83%        
Principal Amount, Par Value $ 4,975     $ 4,988            
Cost 4,841     4,846            
Investments at fair value $ 4,975     $ 4,838            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[15] 5.25% [3],[15] 5.25% [3],[15] 5.25% [5],[16] 5.25% [5],[16] 5.25% [5],[16]        
Interest Rate 10.25% [3],[11],[15] 10.25% [3],[11],[15] 10.25% [3],[11],[15] 9.93% [5],[12],[16] 9.93% [5],[12],[16] 9.93% [5],[12],[16]        
Principal Amount, Par Value $ 19,167 [3],[13],[15]     $ 19,215 [5],[14],[16]            
Cost 19,049 [3],[15]     19,091 [5],[16]            
Investments at fair value $ 19,168 [3],[15]     $ 18,639 [5],[16]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[15] 5.25% [3],[15] 5.25% [3],[15] 5.25% [5],[16] 5.25% [5],[16] 5.25% [5],[16]        
Interest Rate 10.25% [3],[11],[15] 10.25% [3],[11],[15] 10.25% [3],[11],[15] 9.93% [5],[12],[16] 9.93% [5],[12],[16] 9.93% [5],[12],[16]        
Principal Amount, Par Value $ 3,200 [3],[13],[15]     $ 3,208 [5],[14],[16]            
Cost 3,163 [3],[15]     3,169 [5],[16]            
Investments at fair value $ 3,200 [3],[15]     $ 3,112 [5],[16]            
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 4,500     $ 4,511            
Cost 4,481     4,492            
Investments at fair value $ 4,168     $ 4,049            
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 3,214     $ 3,222            
Cost 3,201     3,209            
Investments at fair value 2,977     $ 2,892            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,291                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] (11)                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 989                  
Cost [3],[4],[9] (12)                  
Investments at fair value [3],[4],[9] $ (9)                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.50% 7.50% 7.50%              
Interest Rate [3],[8],[11] 12.29% 12.29% 12.29%              
Principal Amount, Par Value [3],[8],[13] $ 7,230                  
Cost [3],[8] 7,141                  
Investments at fair value [3],[8] $ 7,167                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 7.50% 7.50% 7.50%              
Interest Rate [3],[11],[17] 12.29% 12.29% 12.29%              
Principal Amount, Par Value [3],[13],[17] $ 7,230                  
Cost [3],[17] 7,141                  
Investments at fair value [3],[17] $ 7,167                  
Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.82% 8.82% 8.82% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 2,000     $ 2,000            
Cost 1,986     1,984            
Investments at fair value $ 1,698     $ 1,710            
Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.82% 8.82% 8.82% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 9,656     $ 9,680            
Cost 9,607     9,628            
Investments at fair value 8,195     8,276            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,013 [3],[4],[9],[13]     1,013 [5],[6],[10],[14]            
Cost (5) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[35] 6.00% [3],[35] 6.00% [3],[35] 6.00% [5],[36] 6.00% [5],[36] 6.00% [5],[36]        
Interest Rate 11.10% [3],[11],[35] 11.10% [3],[11],[35] 11.10% [3],[11],[35] 10.41% [5],[12],[36] 10.41% [5],[12],[36] 10.41% [5],[12],[36]        
Principal Amount, Par Value $ 13,760 [3],[13],[35]     $ 13,795 [5],[14],[36]            
Cost 13,722 [3],[35]     13,755 [5],[36]            
Investments at fair value $ 13,760 [3],[35]     $ 13,795 [5],[36]            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[35] 8.00% [3],[35] 8.00% [3],[35] 8.00% [5],[36] 8.00% [5],[36] 8.00% [5],[36]        
Interest Rate 12.84% [3],[11],[35] 12.84% [3],[11],[35] 12.84% [3],[11],[35] 12.73% [5],[12],[36] 12.73% [5],[12],[36] 12.73% [5],[12],[36]        
Principal Amount, Par Value $ 2,476 [3],[13],[35]     $ 2,482 [5],[14],[36]            
Cost 2,460 [3],[35]     2,466 [5],[36]            
Investments at fair value $ 2,476 [3],[35]     $ 2,482 [5],[36]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.41% [5],[6],[10] 6.41% [5],[6],[10] 6.41% [5],[6],[10]        
Interest Rate 11.24% [3],[4],[9],[11] 11.24% [3],[4],[9],[11] 11.24% [3],[4],[9],[11] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,038 [3],[4],[9],[13]     $ 2,836 [5],[6],[10],[14]            
Cost 1,022 [3],[4],[9]     2,823 [5],[6],[10]            
Investments at fair value 1,028 [3],[4],[9]     2,781 [5],[6],[10]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 2,898                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ (26)                  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       450            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       (9)            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [6],[10],[14]       3,936            
Cost [6],[10]       0            
Investments at fair value [6],[10]       $ (59)            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.41% [3],[8] 6.41% [3],[8] 6.41% [3],[8] 6.41% [5],[21] 6.41% [5],[21] 6.41% [5],[21]        
Interest Rate 11.30% [3],[8],[11] 11.30% [3],[8],[11] 11.30% [3],[8],[11] 10.39% [5],[12],[21] 10.39% [5],[12],[21] 10.39% [5],[12],[21]        
Principal Amount, Par Value $ 19,605 [3],[8],[13]     $ 19,660 [5],[14],[21]            
Cost 19,496 [3],[8]     19,546 [5],[21]            
Investments at fair value $ 19,238 [3],[8]     $ 19,278 [5],[21]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.41% [3],[8] 6.41% [3],[8] 6.41% [3],[8] 6.41% [5],[21] 6.41% [5],[21] 6.41% [5],[21]        
Interest Rate 11.30% [3],[8],[11] 11.30% [3],[8],[11] 11.30% [3],[8],[11] 10.39% [5],[12],[21] 10.39% [5],[12],[21] 10.39% [5],[12],[21]        
Principal Amount, Par Value $ 10,293 [3],[8],[13]     $ 7,046 [5],[14],[21]            
Cost 10,243 [3],[8]     7,014 [5],[21]            
Investments at fair value $ 10,100 [3],[8]     $ 6,909 [5],[21]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.41% [3],[8] 6.41% [3],[8] 6.41% [3],[8] 6.41% [5],[6] 6.41% [5],[6] 6.41% [5],[6]        
Interest Rate 11.25% [3],[8],[11] 11.25% [3],[8],[11] 11.25% [3],[8],[11] 10.39% [5],[6],[12] 10.39% [5],[6],[12] 10.39% [5],[6],[12]        
Principal Amount, Par Value $ 3,278 [3],[8],[13]     $ 3,273 [5],[6],[14]            
Cost 3,262 [3],[8]     3,252 [5],[6]            
Investments at fair value $ 3,216 [3],[8]     $ 3,209 [5],[6]            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.56% 8.56% 8.56% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 7,369     $ 7,388            
Cost 7,346     7,364            
Investments at fair value $ 7,185     $ 7,088            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4] 6.75% [4] 6.75% [4] 6.75% [6] 6.75% [6] 6.75% [6]        
Interest Rate 11.59% [4],[11] 11.59% [4],[11] 11.59% [4],[11] 11.07% [6],[12] 11.07% [6],[12] 11.07% [6],[12]        
Principal Amount, Par Value $ 20,313 [4],[13]     $ 20,313 [6],[14]            
Cost 20,271 [4]     20,270 [6]            
Investments at fair value 17,983 [4]     18,053 [6]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[16]       2,457            
Cost [5],[10],[16]       0            
Investments at fair value [5],[10],[16]       (67)            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,405 [3],[4],[9],[13]     2,405 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (21) [3],[4],[9]     (66) [5],[6],[10]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,457 [3],[9],[13],[15]     6,561 [5],[6],[10],[14]            
Cost 0 [3],[9],[15]     0 [5],[6],[10]            
Investments at fair value (22) [3],[9],[15]     $ (180) [5],[6],[10]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 6,561                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ (58)                  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[17] 5.75% [3],[17] 5.75% [3],[17] 5.75% [5],[18] 5.75% [5],[18] 5.75% [5],[18]        
Interest Rate 10.54% [3],[11],[17] 10.54% [3],[11],[17] 10.54% [3],[11],[17] 10.54% [5],[12],[18] 10.54% [5],[12],[18] 10.54% [5],[12],[18]        
Principal Amount, Par Value $ 18,666 [3],[13],[17]     $ 18,760 [5],[14],[18]            
Cost 18,666 [3],[17]     18,760 [5],[18]            
Investments at fair value $ 18,502 [3],[17]     $ 18,246 [5],[18]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[15] 5.75% [3],[15] 5.75% [3],[15] 5.75% [5],[16] 5.75% [5],[16] 5.75% [5],[16]        
Interest Rate 10.54% [3],[11],[15] 10.54% [3],[11],[15] 10.54% [3],[11],[15] 10.54% [5],[12],[16] 10.54% [5],[12],[16] 10.54% [5],[12],[16]        
Principal Amount, Par Value $ 6,990 [3],[13],[15]     $ 7,025 [5],[14],[16]            
Cost 6,990 [3],[15]     7,025 [5],[16]            
Investments at fair value $ 6,929 [3],[15]     $ 6,833 [5],[16]            
Investment, Identifier [Axis]: DS Admiral Bidco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [21] 7.00% [21] 7.00% [21]        
Interest Rate 11.90% [3],[8],[11] 11.90% [3],[8],[11] 11.90% [3],[8],[11] 11.51% [12],[21] 11.51% [12],[21] 11.51% [12],[21]        
Principal Amount, Par Value $ 7,528 [3],[8],[13]     $ 7,547 [14],[21]            
Cost 7,420 [3],[8]     7,434 [21]            
Investments at fair value $ 7,415 [3],[8]     $ 7,434 [21]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [3],[4],[9] 4.50% [3],[4],[9] 4.50% [3],[4],[9] 4.50% [5],[6],[10] 4.50% [5],[6],[10] 4.50% [5],[6],[10]        
Interest Rate 12.50% [3],[4],[9],[11] 12.50% [3],[4],[9],[11] 12.50% [3],[4],[9],[11] 12.00% [5],[6],[10],[12] 12.00% [5],[6],[10],[12] 12.00% [5],[6],[10],[12]        
Principal Amount, Par Value $ 99 [3],[4],[9],[13]     $ 33 [5],[6],[10],[14]            
Cost 98 [3],[4],[9]     33 [5],[6],[10]            
Investments at fair value 96 [3],[4],[9]     32 [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 524 [3],[4],[9],[13]     524 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (13) [3],[4],[9]     (15) [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 887 [3],[4],[9],[13]     953 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (10) [5],[6],[10]            
Investments at fair value $ (22) [3],[4],[9]     $ (27) [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.34% [3],[11],[17] 10.34% [3],[11],[17] 10.34% [3],[11],[17] 9.88% [5],[12],[18] 9.88% [5],[12],[18] 9.88% [5],[12],[18]        
Principal Amount, Par Value $ 13,111 [3],[13],[17]     $ 13,144 [5],[14],[18]            
Cost 13,002 [3],[17]     13,031 [5],[18]            
Investments at fair value $ 12,790 [3],[17]     $ 12,776 [5],[18]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.34% [3],[8],[11] 10.34% [3],[8],[11] 10.34% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 1,105 [3],[8],[13]     $ 1,107 [5],[14],[21]            
Cost 1,095 [3],[8]     1,097 [5],[21]            
Investments at fair value $ 1,078 [3],[8]     $ 1,076 [5],[21]            
Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.31% 9.31% 9.31% 8.82% 8.82% 8.82%        
Principal Amount, Par Value $ 9,701     $ 9,725            
Cost 9,688     9,690            
Investments at fair value $ 9,655     $ 9,628            
Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.31% 9.31% 9.31% 8.82% 8.82% 8.82%        
Principal Amount, Par Value $ 10,639     $ 10,666            
Cost 10,614     10,640            
Investments at fair value 10,590     10,559            
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 65,202 [3],[4],[37]     65,202 [5],[6],[38]            
Investments at fair value $ 66,117 [3],[4],[37]     $ 65,688 [5],[6],[38]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.91% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 37,765 [3],[8],[13]     $ 37,860 [5],[14],[21]            
Cost 37,456 [3],[8]     37,541 [5],[21]            
Investments at fair value $ 35,714 [3],[8]     $ 36,232 [5],[21]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [5],[6],[10] 5.75% [5],[6],[10] 5.75% [5],[6],[10]        
Interest Rate 10.91% [3],[4],[9],[11] 10.91% [3],[4],[9],[11] 10.91% [3],[4],[9],[11] 10.48% [5],[6],[10],[12] 10.48% [5],[6],[10],[12] 10.48% [5],[6],[10],[12]        
Principal Amount, Par Value $ 3,975 [3],[4],[9],[13]     $ 3,985 [5],[6],[10],[14]            
Cost 3,941 [3],[4],[9]     3,950 [5],[6],[10]            
Investments at fair value $ 3,759 [3],[4],[9]     $ 3,814 [5],[6],[10]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [5],[6],[10] 5.75% [5],[6],[10] 5.75% [5],[6],[10]        
Interest Rate 10.91% [3],[4],[9],[11] 10.91% [3],[4],[9],[11] 10.91% [3],[4],[9],[11] 10.48% [5],[6],[10],[12] 10.48% [5],[6],[10],[12] 10.48% [5],[6],[10],[12]        
Principal Amount, Par Value $ 2,825 [3],[4],[9],[13]     $ 2,623 [5],[6],[10],[14]            
Cost 2,797 [3],[4],[9]     2,597 [5],[6],[10]            
Investments at fair value 2,672 [3],[4],[9]     2,510 [5],[6],[10]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 202 [3],[4],[9],[13]     404 [5],[6],[10],[14]            
Cost (2) [3],[4],[9]     (4) [5],[6],[10]            
Investments at fair value (11) [3],[4],[9]     (17) [5],[6],[10]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 9,080 [3],[4],[9],[13]     9,080 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (493) [3],[4],[9]     $ (390) [5],[6],[10]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[4],[9] 6.25% [3],[4],[9] 6.25% [3],[4],[9] 6.25% [5],[6],[10] 6.25% [5],[6],[10] 6.25% [5],[6],[10]        
Interest Rate 11.08% [3],[4],[9],[11] 11.08% [3],[4],[9],[11] 11.08% [3],[4],[9],[11] 10.63% [5],[6],[10],[12] 10.63% [5],[6],[10],[12] 10.63% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,087 [3],[4],[9],[13]     $ 1,087 [5],[6],[10],[14]            
Cost 1,082 [3],[4],[9]     1,082 [5],[6],[10]            
Investments at fair value 1,057 [3],[4],[9]     1,087 [5],[6],[10]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,537 [3],[4],[9],[13]     2,537 [5],[6],[10],[14]            
Cost (13) [3],[4],[9],[39]     (13) [5],[6],[10],[40]            
Investments at fair value $ (71) [3],[4],[9],[39]     $ 0 [5],[6],[10],[40]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 17,539 [3],[8],[13]     $ 17,583 [5],[14],[21]            
Cost 17,489 [3],[8]     17,528 [5],[21]            
Investments at fair value $ 16,958 [3],[8]     $ 17,371 [5],[21]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 9,780 [3],[8],[13]     $ 9,805 [5],[14],[21]            
Cost 9,752 [3],[8]     9,774 [5],[21]            
Investments at fair value $ 9,456 [3],[8]     $ 9,688 [5],[21]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[4] 6.25% [3],[4] 6.25% [3],[4] 6.25% [5],[6] 6.25% [5],[6] 6.25% [5],[6]        
Interest Rate 11.09% [3],[4],[11] 11.09% [3],[4],[11] 11.09% [3],[4],[11] 10.63% [5],[6],[12] 10.63% [5],[6],[12] 10.63% [5],[6],[12]        
Principal Amount, Par Value $ 5,812 [3],[4],[13]     $ 5,827 [5],[6],[14]            
Cost 5,794 [3],[4]     5,807 [5],[6]            
Investments at fair value 5,650 [3],[4]     5,827 [5],[6]            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,129 [3],[4],[39]     11,518 [5],[6],[40]            
Investments at fair value $ 11,303 [3],[4],[39]     $ 11,304 [5],[6],[40]            
Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.38% 4.38% 4.38% 4.38% 4.38% 4.38%        
Interest Rate 8.96% 8.96% 8.96% 7.97% 7.97% 7.97%        
Principal Amount, Par Value $ 7,082     $ 7,100            
Cost 6,542     6,543            
Investments at fair value $ 6,707     $ 6,499            
Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.38% 4.38% 4.38% 4.38% 4.38% 4.38%        
Interest Rate 8.96% 8.96% 8.96% 7.97% 7.97% 7.97%        
Principal Amount, Par Value $ 5,387     $ 5,400            
Cost 4,975     4,976            
Investments at fair value $ 5,101     $ 4,943            
Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.30% 9.30% 9.30% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 15,567     $ 15,606            
Cost 15,173     15,196            
Investments at fair value $ 14,107     $ 13,265            
Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.30% 9.30% 9.30% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 9,850     $ 9,875            
Cost 9,748     9,769            
Investments at fair value $ 8,926     $ 8,393            
Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest Rate       8.63% 8.63% 8.63%        
Principal Amount, Par Value       $ 18,197            
Cost       18,159            
Investments at fair value       $ 17,560            
Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest Rate       8.63% 8.63% 8.63%        
Principal Amount, Par Value       $ 20,288            
Cost       20,251            
Investments at fair value       $ 19,578            
Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 3,204     $ 3,212            
Cost 3,191     3,199            
Investments at fair value $ 3,133     $ 3,098            
Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 6,405     $ 6,422            
Cost 6,380     6,395            
Investments at fair value $ 6,263     $ 6,193            
Investment, Identifier [Axis]: EAB Global, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 11.28% [3],[8],[11] 11.28% [3],[8],[11] 11.28% [3],[8],[11] 10.69% [5],[12],[21] 10.69% [5],[12],[21] 10.69% [5],[12],[21]        
Principal Amount, Par Value $ 33,452 [3],[8],[13]     $ 33,452 [5],[14],[21]            
Cost 33,029 [3],[8]     33,017 [5],[21]            
Investments at fair value $ 32,603 [3],[8]     $ 32,392 [5],[21]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.50% 7.50% 7.50%              
Interest Rate [3],[8],[11] 12.55% 12.55% 12.55%              
Principal Amount, Par Value [3],[8],[13] $ 10,676                  
Cost [3],[8] 10,676                  
Investments at fair value [3],[8] $ 10,676                  
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 7.50% 7.50% 7.50%              
Interest Rate [3],[4],[11] 12.55% 12.55% 12.55%              
Principal Amount, Par Value [3],[4],[13] $ 342                  
Cost [3],[4] 342                  
Investments at fair value [3],[4] 342                  
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [3],[8] 3,696                  
Investments at fair value [3],[8] 3,687                  
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [3],[4] 408                  
Investments at fair value [3],[4] $ 407                  
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 12.00% [3],[4],[19] 12.00% [3],[4],[19] 12.00% [3],[4],[19] 6.50% [5],[6],[20] 6.50% [5],[6],[20] 6.50% [5],[6],[20]        
PIK [5],[6],[20]       6.50% 6.50% 6.50%        
Interest Rate 17.05% [3],[4],[11],[19] 17.05% [3],[4],[11],[19] 17.05% [3],[4],[11],[19] 13.00% [5],[6],[12],[20] 13.00% [5],[6],[12],[20] 13.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 17,170 [3],[4],[13]     $ 16,473 [5],[6],[14]            
Cost 17,064 [3],[4],[41]     16,362 [5],[6]            
Investments at fair value 17,170 [3],[4],[41]     16,473 [5],[6]            
Investment, Identifier [Axis]: Education Management Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 100 [8]     100 [21]            
Investments at fair value 0 [8]     0 [21]            
Investment, Identifier [Axis]: Education Management Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 56 [4]     56 [6]            
Investments at fair value 0 [4]     0 [6]            
Investment, Identifier [Axis]: Education Management Corporation, Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 200 [8]     200 [21]            
Investments at fair value 0 [8]     0 [21]            
Investment, Identifier [Axis]: Education Management Corporation, Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 113 [4]     113 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [8],[24] 7.50% [8],[24] 7.50% [8],[24] 7.50% [21],[26] 7.50% [21],[26] 7.50% [21],[26]        
Interest Rate 13.00% [8],[11],[24] 13.00% [8],[11],[24] 13.00% [8],[11],[24] 13.00% [12],[21],[26] 13.00% [12],[21],[26] 13.00% [12],[21],[26]        
Principal Amount, Par Value $ 300 [8],[13]     $ 300 [14],[21]            
Cost 292 [8]     292 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[24] 7.50% [4],[24] 7.50% [4],[24] 7.50% [6],[26] 7.50% [6],[26] 7.50% [6],[26]        
Interest Rate 13.00% [4],[11],[24] 13.00% [4],[11],[24] 13.00% [4],[11],[24] 13.00% [6],[12],[26] 13.00% [6],[12],[26] 13.00% [6],[12],[26]        
Principal Amount, Par Value $ 169 [4],[13]     $ 169 [6],[14]            
Cost 165 [4]     165 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [8],[24] 6.50% [8],[24] 6.50% [8],[24] 6.50% [21],[26] 6.50% [21],[26] 6.50% [21],[26]        
Interest Rate 9.75% [8],[11],[24] 9.75% [8],[11],[24] 9.75% [8],[11],[24] 9.75% [12],[21],[26] 9.75% [12],[21],[26] 9.75% [12],[21],[26]        
Principal Amount, Par Value $ 205 [8],[13]     $ 205 [14],[21]            
Cost 199 [8]     199 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [4],[24] 6.50% [4],[24] 6.50% [4],[24] 6.50% [6],[26] 6.50% [6],[26] 6.50% [6],[26]        
Interest Rate 9.75% [4],[11],[24] 9.75% [4],[11],[24] 9.75% [4],[11],[24] 9.75% [6],[12],[26] 9.75% [6],[12],[26] 9.75% [6],[12],[26]        
Principal Amount, Par Value $ 115 [4],[13]     $ 115 [6],[14]            
Cost 112 [4]     112 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [8],[24] 8.50% [8],[24] 8.50% [8],[24] 8.50% [21],[26] 8.50% [21],[26] 8.50% [21],[26]        
Interest Rate 11.75% [8],[11],[24] 11.75% [8],[11],[24] 11.75% [8],[11],[24] 11.75% [12],[21],[26] 11.75% [12],[21],[26] 11.75% [12],[21],[26]        
Principal Amount, Par Value $ 139 [8],[13]     $ 139 [14],[21]            
Cost 115 [8]     115 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 6                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [4],[24] 8.50% [4],[24] 8.50% [4],[24] 8.50% [6],[26] 8.50% [6],[26] 8.50% [6],[26]        
Interest Rate 11.75% [4],[11],[24] 11.75% [4],[11],[24] 11.75% [4],[11],[24] 11.75% [6],[12],[26] 11.75% [6],[12],[26] 11.75% [6],[12],[26]        
Principal Amount, Par Value $ 79 [4],[13]     $ 79 [6],[14]            
Cost 65 [4]     65 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 7                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [8],[24] 8.50% [8],[24] 8.50% [8],[24] 8.50% [21],[26] 8.50% [21],[26] 8.50% [21],[26]        
Interest Rate 11.75% [8],[11],[24] 11.75% [8],[11],[24] 11.75% [8],[11],[24] 11.75% [12],[21],[26] 11.75% [12],[21],[26] 11.75% [12],[21],[26]        
Principal Amount, Par Value $ 4 [8],[13]     $ 4 [14],[21]            
Cost 3 [8]     3 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 8                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [4],[24] 8.50% [4],[24] 8.50% [4],[24] 8.50% [6],[26] 8.50% [6],[26] 8.50% [6],[26]        
Interest Rate 11.75% [4],[11],[24] 11.75% [4],[11],[24] 11.75% [4],[11],[24] 11.75% [6],[12],[26] 11.75% [6],[12],[26] 11.75% [6],[12],[26]        
Principal Amount, Par Value $ 2 [4],[13]     $ 2 [6],[14]            
Cost 2 [4]     2 [6]            
Investments at fair value 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 953                  
Investments at fair value $ 0                  
Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.17% 10.17% 10.17%              
Principal Amount, Par Value $ 2,207                  
Cost 2,120                  
Investments at fair value $ 2,209                  
Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.17% 10.17% 10.17%              
Principal Amount, Par Value $ 1,702                  
Cost 1,635                  
Investments at fair value $ 1,704                  
Investment, Identifier [Axis]: Emerald 2 Limited, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest Rate 8.41% 8.41% 8.41% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 439     $ 441            
Cost 439     440            
Investments at fair value $ 437     $ 437            
Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 12,456     $ 12,488            
Cost 12,404     12,433            
Investments at fair value $ 12,114     $ 11,863            
Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 8,978     $ 9,000            
Cost 8,940     8,961            
Investments at fair value $ 8,731     $ 8,550            
Investment, Identifier [Axis]: Enverus Holdings, Inc. (fka Drilling Info Holdings, Inc.), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.09% 9.09% 9.09%              
Principal Amount, Par Value $ 18,149                  
Cost 18,115                  
Investments at fair value $ 17,423                  
Investment, Identifier [Axis]: Enverus Holdings, Inc. (fka Drilling Info Holdings, Inc.), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.09% 9.09% 9.09%              
Principal Amount, Par Value $ 20,235                  
Cost 20,202                  
Investments at fair value $ 19,426                  
Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 14,573     $ 14,611            
Cost 14,562     14,599            
Investments at fair value $ 12,050     $ 12,431            
Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 9,900     $ 9,925            
Cost 9,879     9,904            
Investments at fair value $ 8,087     $ 8,445            
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       7.50% 7.50% 7.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       13.88% 13.88% 13.88%        
Principal Amount, Par Value [5],[14],[21]       $ 14,582            
Cost [5],[21]       14,579            
Investments at fair value [5],[21]       $ 13,123            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [5],[6],[10] 5.75% [5],[6],[10] 5.75% [5],[6],[10]        
Interest Rate 10.72% [3],[4],[9],[11] 10.72% [3],[4],[9],[11] 10.72% [3],[4],[9],[11] 10.50% [5],[6],[10],[12] 10.50% [5],[6],[10],[12] 10.50% [5],[6],[10],[12]        
Principal Amount, Par Value $ 945 [3],[4],[9],[13]     $ 490 [5],[6],[10],[14]            
Cost 936 [3],[4],[9]     485 [5],[6],[10]            
Investments at fair value $ 923 [3],[4],[9]     $ 477 [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 10.82% [3],[4],[9],[11] 10.82% [3],[4],[9],[11] 10.82% [3],[4],[9],[11] 10.53% [5],[6],[10],[12] 10.53% [5],[6],[10],[12] 10.53% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,566 [3],[4],[9],[13]     $ 589 [5],[6],[10],[14]            
Cost 1,593 [3],[4],[9]     635 [5],[6],[10]            
Investments at fair value 1,551 [3],[4],[9]     584 [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 455 [3],[4],[9],[13]     910 [5],[6],[10],[14]            
Cost (5) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value (11) [3],[4],[9]     (25) [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,187 [3],[4],[9],[13]     5,165 [5],[6],[10],[14]            
Cost (42) [3],[4],[9]     (52) [5],[6],[10]            
Investments at fair value $ (42) [3],[4],[9]     $ (52) [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[35] 5.75% [3],[35] 5.75% [3],[35] 5.75% [5],[36] 5.75% [5],[36] 5.75% [5],[36]        
Interest Rate 10.80% [3],[11],[35] 10.80% [3],[11],[35] 10.80% [3],[11],[35] 10.48% [5],[12],[36] 10.48% [5],[12],[36] 10.48% [5],[12],[36]        
Principal Amount, Par Value $ 10,369 [3],[13],[35]     $ 10,395 [5],[14],[36]            
Cost 10,283 [3],[35]     10,306 [5],[36]            
Investments at fair value $ 10,129 [3],[35]     $ 10,110 [5],[36]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[35] 5.75% [3],[35] 5.75% [3],[35] 5.75% [5],[36] 5.75% [5],[36] 5.75% [5],[36]        
Interest Rate 10.73% [3],[11],[35] 10.73% [3],[11],[35] 10.73% [3],[11],[35] 10.48% [5],[12],[36] 10.48% [5],[12],[36] 10.48% [5],[12],[36]        
Principal Amount, Par Value $ 3,480 [3],[13],[35]     $ 3,489 [5],[14],[36]            
Cost 3,449 [3],[35]     3,456 [5],[36]            
Investments at fair value $ 3,400 [3],[35]     $ 3,393 [5],[36]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[35] 5.75% [3],[35] 5.75% [3],[35] 5.75% [5],[36] 5.75% [5],[36] 5.75% [5],[36]        
Interest Rate 10.80% [3],[11],[35] 10.80% [3],[11],[35] 10.80% [3],[11],[35] 10.48% [5],[12],[36] 10.48% [5],[12],[36] 10.48% [5],[12],[36]        
Principal Amount, Par Value $ 3,458 [3],[13],[35]     $ 3,467 [5],[14],[36]            
Cost 3,430 [3],[35]     3,437 [5],[36]            
Investments at fair value 3,378 [3],[35]     3,372 [5],[36]            
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 5,000 [3],[35],[42]     5,000 [5],[36],[43]            
Investments at fair value 4,461 [3],[35],[42]     4,686 [5],[36],[43]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,095 [3],[4],[9],[13]     2,095 [5],[6],[10],[14]            
Cost (21) [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value (21) [3],[4],[9]     (21) [5],[6],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,767 [3],[4],[9],[13]     4,907 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (48) [3],[4],[9]     $ (49) [5],[6],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.54% [3],[8],[11] 10.54% [3],[8],[11] 10.54% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 33,954 [3],[8],[13]     $ 31,968 [5],[14],[21]            
Cost 33,658 [3],[8]     31,678 [5],[21]            
Investments at fair value $ 33,615 [3],[8]     $ 31,648 [5],[21]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.54% [3],[4],[11] 10.54% [3],[4],[11] 10.54% [3],[4],[11] 9.88% [5],[6],[12] 9.88% [5],[6],[12] 9.88% [5],[6],[12]        
Principal Amount, Par Value $ 139 [3],[4],[13]     $ 2,072 [5],[6],[14]            
Cost 138 [3],[4]     2,052 [5],[6]            
Investments at fair value $ 138 [3],[4]     $ 2,051 [5],[6]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       9.67% 9.67% 9.67%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 381            
Cost [5],[6],[10]       378            
Investments at fair value [5],[6],[10]       372            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 10.34% 10.34% 10.34%              
Principal Amount, Par Value [3],[4],[9],[13] $ 381                  
Cost [3],[4],[9] 378                  
Investments at fair value [3],[4],[9] $ 372                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 10.34% 10.34% 10.34%              
Principal Amount, Par Value [3],[4],[9],[13] $ 81                  
Cost [3],[4],[9] 80                  
Investments at fair value [3],[4],[9] $ 79                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 10.34% 10.34% 10.34%              
Principal Amount, Par Value [3],[4],[9],[13] $ 29                  
Cost [3],[4],[9] 29                  
Investments at fair value [3],[4],[9] 29                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,479 [3],[4],[9],[13]     81 [5],[6],[10],[14]            
Cost (25) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (55) [3],[4],[9]     (2) [5],[6],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,857 [3],[4],[9],[13]     2,479 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     (25) [5],[6],[10]            
Investments at fair value $ (107) [3],[4],[9]     (58) [5],[6],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       4,886            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ (114)            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.34% [3],[8],[11] 10.34% [3],[8],[11] 10.34% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 17,485 [3],[8],[13]     $ 17,529 [5],[14],[21]            
Cost 17,335 [3],[8]     17,374 [5],[21]            
Investments at fair value $ 17,099 [3],[8]     $ 17,119 [5],[21]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.34% [3],[11],[17] 10.34% [3],[11],[17] 10.34% [3],[11],[17] 10.23% [5],[12],[18] 10.23% [5],[12],[18] 10.23% [5],[12],[18]        
Principal Amount, Par Value $ 10,170 [3],[13],[17]     $ 10,195 [5],[14],[18]            
Cost 10,086 [3],[17]     10,108 [5],[18]            
Investments at fair value $ 9,945 [3],[17]     $ 9,957 [5],[18]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.34% [3],[4],[11] 10.34% [3],[4],[11] 10.34% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 873 [3],[4],[13]     $ 875 [5],[6],[14]            
Cost 864 [3],[4]     866 [5],[6]            
Investments at fair value $ 854 [3],[4]     $ 855 [5],[6]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 9,674     $ 9,405            
Cost 9,569     9,326            
Investments at fair value $ 9,132     $ 8,840            
Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 6,419     $ 6,435            
Cost 6,367     6,381            
Investments at fair value $ 6,059     $ 6,048            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[35] 6.50% [3],[35] 6.50% [3],[35] 6.50% [5],[36] 6.50% [5],[36] 6.50% [5],[36]        
Interest Rate 11.66% [3],[11],[35] 11.66% [3],[11],[35] 11.66% [3],[11],[35] 11.34% [5],[12],[36] 11.34% [5],[12],[36] 11.34% [5],[12],[36]        
Principal Amount, Par Value $ 22,500 [3],[13],[35]     $ 22,500 [5],[14],[36]            
Cost 22,404 [3],[35]     22,401 [5],[36]            
Investments at fair value $ 21,128 [3],[35]     $ 20,810 [5],[36]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 11.66% [3],[8],[11] 11.66% [3],[8],[11] 11.66% [3],[8],[11] 11.34% [5],[12],[21] 11.34% [5],[12],[21] 11.34% [5],[12],[21]        
Principal Amount, Par Value $ 7,009 [3],[8],[13]     $ 7,009 [5],[14],[21]            
Cost 6,987 [3],[8]     6,987 [5],[21]            
Investments at fair value $ 6,581 [3],[8]     $ 6,483 [5],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [5],[10],[21] 5.50% [5],[10],[21] 5.50% [5],[10],[21]        
Interest Rate 10.34% [3],[8],[9],[11] 10.34% [3],[8],[9],[11] 10.34% [3],[8],[9],[11] 9.88% [5],[10],[12],[21] 9.88% [5],[10],[12],[21] 9.88% [5],[10],[12],[21]        
Principal Amount, Par Value $ 16,873 [3],[8],[9],[13]     $ 16,611 [5],[10],[14],[21]            
Cost 16,719 [3],[8],[9]     16,450 [5],[10],[21]            
Investments at fair value $ 16,873 [3],[8],[9]     $ 16,411 [5],[10],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4],[9] 5.50% [3],[4],[9] 5.50% [3],[4],[9] 5.50% [5],[6],[10] 5.50% [5],[6],[10] 5.50% [5],[6],[10]        
Interest Rate 10.34% [3],[4],[9],[11] 10.34% [3],[4],[9],[11] 10.34% [3],[4],[9],[11] 9.88% [5],[6],[10],[12] 9.88% [5],[6],[10],[12] 9.88% [5],[6],[10],[12]        
Principal Amount, Par Value $ 988 [3],[4],[9],[13]     $ 988 [5],[6],[10],[14]            
Cost 980 [3],[4],[9]     980 [5],[6],[10]            
Investments at fair value 988 [3],[4],[9]     976 [5],[6],[10]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 453 [3],[8],[9],[13]     757 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value 0 [3],[8],[9]     (9) [5],[10],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,963 [3],[4],[9],[13]     2,963 [5],[6],[10],[14]            
Cost (22) [3],[4],[9]     (22) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (36) [5],[6],[10]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[35] 5.50% [3],[35] 5.50% [3],[35] 5.50% [5],[36] 5.50% [5],[36] 5.50% [5],[36]        
Interest Rate 10.34% [3],[11],[35] 10.34% [3],[11],[35] 10.34% [3],[11],[35] 9.88% [5],[12],[36] 9.88% [5],[12],[36] 9.88% [5],[12],[36]        
Principal Amount, Par Value $ 21,830 [3],[13],[35]     $ 21,885 [5],[14],[36]            
Cost 21,743 [3],[35]     21,793 [5],[36]            
Investments at fair value $ 21,829 [3],[35]     $ 21,623 [5],[36]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.34% [3],[8],[11] 10.34% [3],[8],[11] 10.34% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 13,177 [3],[8],[13]     $ 13,211 [5],[14],[21]            
Cost 13,105 [3],[8]     13,135 [5],[21]            
Investments at fair value $ 13,177 [3],[8]     $ 13,052 [5],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.34% [3],[8],[11] 10.34% [3],[8],[11] 10.34% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 10,524 [3],[8],[13]     $ 10,551 [5],[14],[21]            
Cost 10,443 [3],[8]     10,465 [5],[21]            
Investments at fair value 10,524 [3],[8]     10,424 [5],[21]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 5,917 [3],[4],[9],[13]     5,917 [5],[6],[10],[14]            
Cost (36) [3],[4],[9]     (36) [5],[6],[10]            
Investments at fair value $ (53) [3],[4],[9]     $ (53) [5],[6],[10]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.80% [3],[8],[11] 10.80% [3],[8],[11] 10.80% [3],[8],[11] 9.92% [5],[12],[21] 9.92% [5],[12],[21] 9.92% [5],[12],[21]        
Principal Amount, Par Value $ 67,102 [3],[8],[13]     $ 67,275 [5],[14],[21]            
Cost 66,913 [3],[8]     67,074 [5],[21]            
Investments at fair value $ 66,504 [3],[8]     $ 66,675 [5],[21]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[35] 5.75% [3],[35] 5.75% [3],[35] 5.75% [5],[36] 5.75% [5],[36] 5.75% [5],[36]        
Interest Rate 10.80% [3],[11],[35] 10.80% [3],[11],[35] 10.80% [3],[11],[35] 9.92% [5],[12],[36] 9.92% [5],[12],[36] 9.92% [5],[12],[36]        
Principal Amount, Par Value $ 21,689 [3],[13],[35]     $ 21,745 [5],[14],[36]            
Cost 21,631 [3],[35]     21,683 [5],[36]            
Investments at fair value $ 21,497 [3],[35]     $ 21,551 [5],[36]            
Investment, Identifier [Axis]: Geo Parent Corporation, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.17% 10.17% 10.17% 9.44% 9.44% 9.44%        
Principal Amount, Par Value $ 9,684     $ 9,709            
Cost 9,490     9,499            
Investments at fair value $ 9,443     $ 9,470            
Investment, Identifier [Axis]: Granicus, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [5],[6],[10] 6.50% [5],[6],[10] 6.50% [5],[6],[10]        
Interest Rate 11.18% [3],[4],[9],[11] 11.18% [3],[4],[9],[11] 11.18% [3],[4],[9],[11] 10.69% [5],[6],[10],[12] 10.69% [5],[6],[10],[12] 10.69% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,269 [3],[4],[9],[13]     $ 810 [5],[6],[10],[14]            
Cost 1,259 [3],[4],[9]     804 [5],[6],[10]            
Investments at fair value 1,269 [3],[4],[9]     810 [5],[6],[10]            
Investment, Identifier [Axis]: Granicus, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,145 [3],[4],[9],[13]     1,604 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (12) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[15],[19] 5.50% [3],[15],[19] 5.50% [3],[15],[19] 5.50% [5],[16],[20] 5.50% [5],[16],[20] 5.50% [5],[16],[20]        
PIK 1.50% [3],[15],[19] 1.50% [3],[15],[19] 1.50% [3],[15],[19] 1.50% [5],[16],[20] 1.50% [5],[16],[20] 1.50% [5],[16],[20]        
Interest Rate 11.84% [3],[11],[15],[19] 11.84% [3],[11],[15],[19] 11.84% [3],[11],[15],[19] 11.14% [5],[12],[16],[20] 11.14% [5],[12],[16],[20] 11.14% [5],[12],[16],[20]        
Principal Amount, Par Value $ 15,403 [3],[13],[15]     $ 15,405 [5],[14],[16]            
Cost 15,323 [3],[15]     15,320 [5],[16]            
Investments at fair value $ 15,403 [3],[15]     $ 15,405 [5],[16]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17],[19] 5.50% [3],[17],[19] 5.50% [3],[17],[19] 5.50% [5],[18],[20] 5.50% [5],[18],[20] 5.50% [5],[18],[20]        
PIK 1.50% [3],[17],[19] 1.50% [3],[17],[19] 1.50% [3],[17],[19] 1.50% [5],[18],[20] 1.50% [5],[18],[20] 1.50% [5],[18],[20]        
Interest Rate 11.84% [3],[11],[17],[19] 11.84% [3],[11],[17],[19] 11.84% [3],[11],[17],[19] 11.14% [5],[12],[18],[20] 11.14% [5],[12],[18],[20] 11.14% [5],[12],[18],[20]        
Principal Amount, Par Value $ 5,958 [3],[13],[17]     $ 5,959 [5],[14],[18]            
Cost 5,926 [3],[17]     5,925 [5],[18]            
Investments at fair value $ 5,958 [3],[17]     $ 5,959 [5],[18]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[19] 5.50% [3],[8],[19] 5.50% [3],[8],[19] 5.50% [5],[20],[21] 5.50% [5],[20],[21] 5.50% [5],[20],[21]        
PIK 1.50% [3],[8],[19] 1.50% [3],[8],[19] 1.50% [3],[8],[19] 1.50% [5],[20],[21] 1.50% [5],[20],[21] 1.50% [5],[20],[21]        
Interest Rate 11.84% [3],[8],[11],[19] 11.84% [3],[8],[11],[19] 11.84% [3],[8],[11],[19] 11.14% [5],[12],[20],[21] 11.14% [5],[12],[20],[21] 11.14% [5],[12],[20],[21]        
Principal Amount, Par Value $ 5,877 [3],[8],[13]     $ 5,877 [5],[14],[21]            
Cost 5,846 [3],[8]     5,845 [5],[21]            
Investments at fair value $ 5,877 [3],[8]     $ 5,877 [5],[21]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.84% [3],[8],[11] 10.84% [3],[8],[11] 10.84% [3],[8],[11] 10.14% [5],[12],[21] 10.14% [5],[12],[21] 10.14% [5],[12],[21]        
Principal Amount, Par Value $ 4,565 [3],[8],[13]     $ 4,579 [5],[14],[21]            
Cost 4,528 [3],[8]     4,540 [5],[21]            
Investments at fair value $ 4,565 [3],[8]     $ 4,579 [5],[21]            
Investment, Identifier [Axis]: Greenway Health, LLC (fka Vitera Healthcare Solutions, LLC), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 8.96% 8.96% 8.96%              
Principal Amount, Par Value $ 14,181                  
Cost 14,183                  
Investments at fair value $ 10,494                  
Investment, Identifier [Axis]: Greenway Health, LLC (fka Vitera Healthcare Solutions, LLC), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 8.96% 8.96% 8.96%              
Principal Amount, Par Value $ 20,674                  
Cost 20,659                  
Investments at fair value $ 15,299                  
Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.48% 8.48% 8.48%        
Principal Amount, Par Value       $ 14,219            
Cost       14,221            
Investments at fair value       $ 9,971            
Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.48% 8.48% 8.48%        
Principal Amount, Par Value       $ 20,729            
Cost       20,710            
Investments at fair value       14,536            
Investment, Identifier [Axis]: Groundworks, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [15] 6.50% 6.50% 6.50%              
Interest Rate [11],[15] 11.36% 11.36% 11.36%              
Principal Amount, Par Value [13],[15] $ 17,338                  
Cost [15] 17,079                  
Investments at fair value [15] $ 17,078                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% 6.50% 6.50%              
Interest Rate 11.36% 11.36% 11.36%              
Principal Amount, Par Value $ 1,272                  
Cost 1,234                  
Investments at fair value 1,234                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [4],[9],[13] 1,076                  
Cost [4],[9] (16)                  
Investments at fair value [4],[9] (16)                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [9],[13],[15] 3,164                  
Cost [9],[15] 0                  
Investments at fair value [9],[15] (47)                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 232                  
Cost (3)                  
Investments at fair value (3)                  
Investment, Identifier [Axis]: HB Wealth Management, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,796 [3],[44],[45]     4,794 [5],[46],[47]            
Investments at fair value $ 5,128 [3],[44],[45]     $ 5,126 [5],[46],[47]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[35] 6.75% [3],[35] 6.75% [3],[35] 6.75% [5],[36] 6.75% [5],[36] 6.75% [5],[36]        
Interest Rate 11.66% [3],[11],[35] 11.66% [3],[11],[35] 11.66% [3],[11],[35] 10.94% [5],[12],[36] 10.94% [5],[12],[36] 10.94% [5],[12],[36]        
Principal Amount, Par Value $ 22,500 [3],[13],[35]     $ 22,500 [5],[14],[36]            
Cost 22,420 [3],[35]     22,417 [5],[36]            
Investments at fair value $ 21,204 [3],[35]     $ 21,409 [5],[36]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8] 6.75% [3],[8] 6.75% [3],[8] 6.75% [5],[21] 6.75% [5],[21] 6.75% [5],[21]        
Interest Rate 11.66% [3],[8],[11] 11.66% [3],[8],[11] 11.66% [3],[8],[11] 10.94% [5],[12],[21] 10.94% [5],[12],[21] 10.94% [5],[12],[21]        
Principal Amount, Par Value $ 4,208 [3],[8],[13]     $ 4,208 [5],[14],[21]            
Cost 4,180 [3],[8]     4,179 [5],[21]            
Investments at fair value 3,966 [3],[8]     4,004 [5],[21]            
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[48]     0 [5],[49]            
Investments at fair value 16,301 [3],[48]     35,679 [5],[49]            
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Profit Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[50]     0 [5],[51]            
Investments at fair value 90 [3],[50]     109 [5],[51]            
Investment, Identifier [Axis]: Haven Midstream LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 8,000 [3],[4],[9],[13]     8,000 [5],[6],[10],[14]            
Cost 0 [3],[4],[9],[52]     0 [5],[6],[10],[53]            
Investments at fair value $ 0 [3],[4],[9],[52]     $ 0 [5],[6],[10],[53]            
Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 18,113     $ 18,160            
Cost 18,082     18,126            
Investments at fair value $ 16,973     $ 16,847            
Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 3,526     $ 3,535            
Cost 3,520     3,529            
Investments at fair value $ 3,304     $ 3,280            
Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.39% 8.39% 8.39%        
Principal Amount, Par Value $ 6,190     $ 6,206            
Cost 6,172     6,186            
Investments at fair value $ 5,854     $ 5,785            
Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.78% 8.78% 8.78% 8.19% 8.19% 8.19%        
Principal Amount, Par Value $ 18,022     $ 18,068            
Cost 17,914     17,953            
Investments at fair value $ 16,125     $ 16,335            
Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.78% 8.78% 8.78% 8.19% 8.19% 8.19%        
Principal Amount, Par Value $ 9,783     $ 9,808            
Cost 9,758     9,782            
Investments at fair value $ 8,753     $ 8,867            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.09% 10.09% 10.09% 9.63% 9.63% 9.63%        
Principal Amount, Par Value $ 9,056     $ 9,079            
Cost 8,999     9,018            
Investments at fair value $ 9,002     $ 8,972            
Investment, Identifier [Axis]: HighTower Holding, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.82% 8.82% 8.82% 8.28% 8.28% 8.28%        
Principal Amount, Par Value $ 4,766     $ 4,778            
Cost 4,729     4,739            
Investments at fair value $ 4,516     $ 4,402            
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.16% 10.16% 10.16% 9.67% 9.67% 9.67%        
Principal Amount, Par Value $ 6,706     $ 5,652            
Cost 6,470     5,493            
Investments at fair value $ 6,029     $ 5,394            
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.16% 10.16% 10.16% 9.67% 9.67% 9.67%        
Principal Amount, Par Value $ 4,851     $ 4,037            
Cost 4,680     3,926            
Investments at fair value $ 4,361     $ 3,854            
Investment, Identifier [Axis]: Hunter Holdco 3 Limited, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.41% 9.41% 9.41% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 3,949     $ 3,949            
Cost 3,917     3,916            
Investments at fair value 3,885     $ 3,886            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       6.00% 6.00% 6.00%        
Interest Rate [5],[6],[10],[12]       10.39% 10.39% 10.39%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 919            
Cost [5],[6],[10]       910            
Investments at fair value [5],[6],[10]       906            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,298 [3],[4],[9],[13]     1,379 [5],[6],[10],[14]            
Cost (23) [3],[4],[9]     (14) [5],[6],[10]            
Investments at fair value $ (23) [3],[4],[9]     $ (19) [5],[6],[10]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.86% [3],[8],[11] 10.86% [3],[8],[11] 10.86% [3],[8],[11] 10.38% [5],[12],[21] 10.38% [5],[12],[21] 10.38% [5],[12],[21]        
Principal Amount, Par Value $ 29,060 [3],[8],[13]     $ 29,134 [5],[14],[21]            
Cost 28,819 [3],[8]     28,884 [5],[21]            
Investments at fair value $ 28,766 [3],[8]     $ 28,731 [5],[21]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.83% [3],[8],[11] 10.83% [3],[8],[11] 10.83% [3],[8],[11] 10.38% [5],[12],[21] 10.38% [5],[12],[21] 10.38% [5],[12],[21]        
Principal Amount, Par Value $ 4,246 [3],[8],[13]     $ 4,257 [5],[14],[21]            
Cost 4,228 [3],[8]     4,238 [5],[21]            
Investments at fair value $ 4,203 [3],[8]     $ 4,198 [5],[21]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.62% [3],[8],[11] 10.62% [3],[8],[11] 10.62% [3],[8],[11] 10.62% [5],[12],[21] 10.62% [5],[12],[21] 10.62% [5],[12],[21]        
Principal Amount, Par Value $ 12,942 [3],[8],[13]     $ 12,974 [5],[14],[21]            
Cost 12,825 [3],[8]     12,854 [5],[21]            
Investments at fair value $ 12,683 [3],[8]     $ 12,845 [5],[21]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 10.87% [3],[4],[9],[11] 10.87% [3],[4],[9],[11] 10.87% [3],[4],[9],[11] 10.61% [5],[6],[10],[12] 10.61% [5],[6],[10],[12] 10.61% [5],[6],[10],[12]        
Principal Amount, Par Value $ 604 [3],[4],[9],[13]     $ 294 [5],[6],[10],[14]            
Cost 598 [3],[4],[9]     291 [5],[6],[10]            
Investments at fair value 593 [3],[4],[9]     291 [5],[6],[10]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 945 [3],[4],[9],[13]     1,254 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (13) [5],[6],[10]            
Investments at fair value (17) [3],[4],[9]     (13) [5],[6],[10]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,097 [3],[4],[9],[13]     3,097 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (62) [3],[4],[9]     $ (31) [5],[6],[10]            
Investment, Identifier [Axis]: Idera, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.51% 8.51% 8.51% 7.50% 7.50% 7.50%        
Principal Amount, Par Value $ 15,763     $ 15,803            
Cost 15,752     15,792            
Investments at fair value $ 15,073     $ 14,944            
Investment, Identifier [Axis]: Idera, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.51% 8.51% 8.51% 7.50% 7.50% 7.50%        
Principal Amount, Par Value $ 9,201     $ 9,224            
Cost 9,141     9,162            
Investments at fair value $ 8,798     $ 8,723            
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[15] 6.75% [3],[15] 6.75% [3],[15] 6.75% [5],[16] 6.75% [5],[16] 6.75% [5],[16]        
Interest Rate 11.51% [3],[11],[15] 11.51% [3],[11],[15] 11.51% [3],[11],[15] 10.50% [5],[12],[16] 10.50% [5],[12],[16] 10.50% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 22,500 [5],[14],[16]            
Cost 22,250 [3],[15]     22,243 [5],[16]            
Investments at fair value $ 21,823 [3],[15]     $ 21,168 [5],[16]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4] 6.75% [3],[4] 6.75% [3],[4] 6.75% [5],[6] 6.75% [5],[6] 6.75% [5],[6]        
Interest Rate 11.51% [3],[4],[11] 11.51% [3],[4],[11] 11.51% [3],[4],[11] 10.50% [5],[6],[12] 10.50% [5],[6],[12] 10.50% [5],[6],[12]        
Principal Amount, Par Value $ 3,000 [3],[4],[13]     $ 3,000 [5],[6],[14]            
Cost 2,988 [3],[4]     2,986 [5],[6]            
Investments at fair value 2,910 [3],[4]     $ 2,822 [5],[6]            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.17% 10.17% 10.17%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 1,068            
Cost [5],[6],[10]       1,060            
Investments at fair value [5],[6],[10]       1,048            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,827 [3],[4],[9],[13]     2,759 [5],[6],[10],[14]            
Cost (29) [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value $ (29) [3],[4],[9]     $ (52) [5],[6],[10]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.17% [5],[12],[21] 10.17% [5],[12],[21] 10.17% [5],[12],[21]        
Principal Amount, Par Value $ 18,850 [3],[8],[13]     $ 18,898 [5],[14],[21]            
Cost 18,736 [3],[8]     18,780 [5],[21]            
Investments at fair value $ 18,705 [3],[8]     $ 18,545 [5],[21]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[17] 5.75% [3],[17] 5.75% [3],[17] 5.75% [5],[18] 5.75% [5],[18] 5.75% [5],[18]        
Interest Rate 10.59% [3],[11],[17] 10.59% [3],[11],[17] 10.59% [3],[11],[17] 10.17% [5],[12],[18] 10.17% [5],[12],[18] 10.17% [5],[12],[18]        
Principal Amount, Par Value $ 7,904 [3],[13],[17]     $ 7,923 [5],[14],[18]            
Cost 7,832 [3],[17]     7,849 [5],[18]            
Investments at fair value $ 7,843 [3],[17]     $ 7,775 [5],[18]            
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[4] 8.25% [3],[4] 8.25% [3],[4] 8.25% [5],[6] 8.25% [5],[6] 8.25% [5],[6]        
Interest Rate 13.25% [3],[4],[11] 13.25% [3],[4],[11] 13.25% [3],[4],[11] 12.93% [5],[6],[12] 12.93% [5],[6],[12] 12.93% [5],[6],[12]        
Principal Amount, Par Value $ 17,245 [3],[4],[13]     $ 17,245 [5],[6],[14]            
Cost 17,044 [3],[4]     17,039 [5],[6]            
Investments at fair value $ 16,643 [3],[4]     $ 16,846 [5],[6]            
Investment, Identifier [Axis]: Integro Parent Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 12.25% [3],[8],[19] 12.25% [3],[8],[19] 12.25% [3],[8],[19] 12.25% [5],[20],[21] 12.25% [5],[20],[21] 12.25% [5],[20],[21]        
Interest Rate 17.15% [3],[8],[11],[19] 17.15% [3],[8],[11],[19] 17.15% [3],[8],[11],[19] 16.83% [5],[12],[20],[21] 16.83% [5],[12],[20],[21] 16.83% [5],[12],[20],[21]        
Principal Amount, Par Value $ 3,896 [3],[8],[13]     $ 4,187 [5],[14],[21]            
Cost 3,893 [3],[8]     4,184 [5],[21]            
Investments at fair value $ 3,897 [3],[8]     $ 4,187 [5],[21]            
Investment, Identifier [Axis]: Integro Parent Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 12.25% [3],[4],[19] 12.25% [3],[4],[19] 12.25% [3],[4],[19] 12.25% [5],[6],[20] 12.25% [5],[6],[20] 12.25% [5],[6],[20]        
Interest Rate 17.15% [3],[4],[11],[19] 17.15% [3],[4],[11],[19] 17.15% [3],[4],[11],[19] 16.83% [5],[6],[12],[20] 16.83% [5],[6],[12],[20] 16.83% [5],[6],[12],[20]        
Principal Amount, Par Value $ 769 [3],[4],[13]     $ 827 [5],[6],[14]            
Cost 765 [3],[4]     823 [5],[6]            
Investments at fair value $ 770 [3],[4]     $ 828 [5],[6]            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 12.25% [3],[4],[19],[24] 12.25% [3],[4],[19],[24] 12.25% [3],[4],[19],[24] 12.25% [5],[6],[20],[26] 12.25% [5],[6],[20],[26] 12.25% [5],[6],[20],[26]        
Interest Rate 17.15% [3],[4],[11],[19],[24] 17.15% [3],[4],[11],[19],[24] 17.15% [3],[4],[11],[19],[24] 16.83% [5],[6],[12],[20],[26] 16.83% [5],[6],[12],[20],[26] 16.83% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 12,000 [3],[4],[13]     $ 11,510 [5],[6],[14]            
Cost 11,433 [3],[4]     11,109 [5],[6]            
Investments at fair value 9,560 [3],[4]     $ 8,718 [5],[6]            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value             $ 4,200      
Cost 4,002                  
Investments at fair value $ 3,346                  
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[8] 8.00% [3],[8] 8.00% [3],[8] 8.00% [5],[21] 8.00% [5],[21] 8.00% [5],[21]        
Interest Rate 12.88% [3],[8],[11] 12.88% [3],[8],[11] 12.88% [3],[8],[11] 12.65% [5],[12],[21] 12.65% [5],[12],[21] 12.65% [5],[12],[21]        
Principal Amount, Par Value $ 18,750 [3],[8],[13]     $ 18,750 [5],[14],[21]            
Cost 18,661 [3],[8]     18,657 [5],[21]            
Investments at fair value $ 15,937 [3],[8]     $ 15,938 [5],[21]            
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[17] 8.00% [3],[17] 8.00% [3],[17] 8.00% [5],[18] 8.00% [5],[18] 8.00% [5],[18]        
Interest Rate 12.88% [3],[11],[17] 12.88% [3],[11],[17] 12.88% [3],[11],[17] 12.65% [5],[12],[18] 12.65% [5],[12],[18] 12.65% [5],[12],[18]        
Principal Amount, Par Value $ 18,750 [3],[13],[17]     $ 18,750 [5],[14],[18]            
Cost 18,661 [3],[17]     18,657 [5],[18]            
Investments at fair value $ 15,937 [3],[17]     $ 15,937 [5],[18]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [3],[8],[9] 4.50% [5],[10],[21] 4.50% [5],[10],[21] 4.50% [5],[10],[21]        
Interest Rate 10.45% [3],[8],[9],[11] 10.45% [3],[8],[9],[11] 10.45% [3],[8],[9],[11] 12.00% [5],[10],[12],[21] 12.00% [5],[10],[12],[21] 12.00% [5],[10],[12],[21]        
Principal Amount, Par Value $ 276 [3],[8],[9],[13]     $ 145 [5],[10],[14],[21]            
Cost 273 [3],[8],[9]     144 [5],[10],[21]            
Investments at fair value 263 [3],[8],[9]     139 [5],[10],[21]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 891 [3],[8],[9],[13]     1,022 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value $ (41) [3],[8],[9]     $ (45) [5],[10],[21]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.41% [3],[11],[17] 10.41% [3],[11],[17] 10.41% [3],[11],[17] 9.89% [5],[12],[18] 9.89% [5],[12],[18] 9.89% [5],[12],[18]        
Principal Amount, Par Value $ 6,950 [3],[13],[17]     $ 6,968 [5],[14],[18]            
Cost 6,893 [3],[17]     6,908 [5],[18]            
Investments at fair value $ 6,629 [3],[17]     $ 6,662 [5],[18]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 4.50% [5],[21] 4.50% [5],[21] 4.50% [5],[21]        
Interest Rate 10.48% [3],[8],[11] 10.48% [3],[8],[11] 10.48% [3],[8],[11] 12.00% [5],[12],[21] 12.00% [5],[12],[21] 12.00% [5],[12],[21]        
Principal Amount, Par Value $ 800 [3],[8],[13]     $ 801 [5],[14],[21]            
Cost 793 [3],[8]     794 [5],[21]            
Investments at fair value $ 763 [3],[8]     $ 766 [5],[21]            
Investment, Identifier [Axis]: Kaseya Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.65% [3],[8],[11] 10.65% [3],[8],[11] 10.65% [3],[8],[11] 10.33% [5],[12],[21] 10.33% [5],[12],[21] 10.33% [5],[12],[21]        
Principal Amount, Par Value $ 63,093 [3],[8],[13]     $ 63,093 [5],[14],[21]            
Cost 62,659 [3],[8],[54]     62,647 [5],[21],[55]            
Investments at fair value 62,620 [3],[8],[54]     62,172 [5],[21],[55]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,851 [3],[4],[9],[13]     3,851 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (29) [3],[4],[9]     (56) [5],[6],[10]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,851 [3],[4],[9],[13]     3,851 [5],[6],[10],[14]            
Cost (29) [3],[4],[9]     (29) [5],[6],[10]            
Investments at fair value $ (29) [3],[4],[9]     $ (56) [5],[6],[10]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[35] 5.25% [3],[35] 5.25% [3],[35] 5.25% [5],[36] 5.25% [5],[36] 5.25% [5],[36]        
Interest Rate 9.95% [3],[11],[35] 9.95% [3],[11],[35] 9.95% [3],[11],[35] 9.42% [5],[12],[36] 9.42% [5],[12],[36] 9.42% [5],[12],[36]        
Principal Amount, Par Value $ 15,747 [3],[13],[35]     $ 15,788 [5],[14],[36]            
Cost 15,705 [3],[35]     15,742 [5],[36]            
Investments at fair value 15,747 [3],[35]     15,788 [5],[36]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,799 [3],[4],[9],[13]     1,799 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.25% 9.25% 9.25% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 11,904     $ 11,935            
Cost 11,861     11,889            
Investments at fair value $ 11,695     $ 11,572            
Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.25% 9.25% 9.25% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 5,416     $ 5,430            
Cost 5,377     5,389            
Investments at fair value 5,321     5,265            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 15,900 [3],[4],[54]     14,961 [5],[6],[55]            
Investments at fair value $ 15,888 [3],[4],[54]     $ 14,661 [5],[6],[55]            
Investment, Identifier [Axis]: LI Group Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 4,562     $ 4,573            
Cost 4,553     4,565            
Investments at fair value $ 4,545     $ 4,493            
Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 7,548     $ 7,567            
Cost 7,516     7,534            
Investments at fair value $ 7,246     $ 7,236            
Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 8,648     $ 8,669            
Cost 8,613     8,634            
Investments at fair value 8,302     8,290            
Investment, Identifier [Axis]: Largest Portfolio Company Investment | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 18,149     18,197            
Investment, Identifier [Axis]: Largest Portfolio Company Investment | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 21,924     $ 21,982            
Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.09% 9.09% 9.09% 8.63% 8.63% 8.63%        
Principal Amount, Par Value $ 12,556     $ 12,588            
Cost 12,492     12,520            
Investments at fair value $ 11,049     $ 10,800            
Investment, Identifier [Axis]: MED Parentco, LP, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [17] 8.25% [17] 8.25% [17] 8.25% [18] 8.25% [18] 8.25% [18]        
Interest Rate 13.09% [11],[17] 13.09% [11],[17] 13.09% [11],[17] 12.63% [12],[18] 12.63% [12],[18] 12.63% [12],[18]        
Principal Amount, Par Value $ 20,857 [13],[17]     $ 20,857 [14],[18]            
Cost 20,756 [17]     20,752 [18]            
Investments at fair value $ 16,164 [17]     $ 15,726 [18]            
Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 10,667     $ 10,695            
Cost 10,652     10,677            
Investments at fair value $ 10,513     $ 10,406            
Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 7,798     $ 7,818            
Cost 7,787     7,805            
Investments at fair value 7,685     7,606            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       2,002            
Cost [5],[6],[10]       (10)            
Investments at fair value [5],[6],[10]       (45)            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 2,002                  
Cost [3],[4],[9] (10)                  
Investments at fair value [3],[4],[9] (50)                  
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,501 [3],[4],[9],[13]     4,074 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (63) [3],[4],[9]     $ (92) [5],[6],[10]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[35] 5.50% [3],[35] 5.50% [3],[35] 5.50% [5],[36] 5.50% [5],[36] 5.50% [5],[36]        
Interest Rate 10.66% [3],[11],[35] 10.66% [3],[11],[35] 10.66% [3],[11],[35] 10.23% [5],[12],[36] 10.23% [5],[12],[36] 10.23% [5],[12],[36]        
Principal Amount, Par Value $ 21,823 [3],[13],[35]     $ 21,879 [5],[14],[36]            
Cost 21,766 [3],[35]     21,817 [5],[36]            
Investments at fair value $ 21,273 [3],[35]     $ 21,383 [5],[36]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.66% [3],[4],[11] 10.66% [3],[4],[11] 10.66% [3],[4],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 5,224 [3],[4],[13]     $ 4,615 [5],[14],[21]            
Cost 5,212 [3],[4]     4,606 [5],[21]            
Investments at fair value $ 5,092 [3],[4]     $ 4,511 [5],[21]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 4,604 [3],[8],[13]     $ 3,173 [5],[14],[21]            
Cost 4,595 [3],[8]     3,163 [5],[21]            
Investments at fair value $ 4,488 [3],[8]     $ 3,101 [5],[21]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.66% [3],[8],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 3,164 [3],[8],[13]     $ 3,664 [5],[6],[14]            
Cost 3,156 [3],[8]     3,656 [5],[6]            
Investments at fair value $ 3,085 [3],[8]     $ 3,581 [5],[6]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.66% [3],[4],[11] 10.66% [3],[4],[11] 10.66% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 808 [3],[4],[13]     $ 810 [5],[6],[14]            
Cost 805 [3],[4]     807 [5],[6]            
Investments at fair value $ 787 [3],[4]     $ 791 [5],[6]            
Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.89% 7.89% 7.89%        
Principal Amount, Par Value $ 1,601     $ 5,730            
Cost 1,597     5,706            
Investments at fair value $ 1,583     $ 5,486            
Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.89% 7.89% 7.89%        
Principal Amount, Par Value $ 1,144     $ 4,092            
Cost 1,139     4,075            
Investments at fair value $ 1,131     $ 3,919            
Investment, Identifier [Axis]: Mandolin Technology Intermediate Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.58% 8.58% 8.58% 8.16% 8.16% 8.16%        
Principal Amount, Par Value $ 9,875     $ 9,900            
Cost 9,836     9,859            
Investments at fair value $ 9,110     $ 9,281            
Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.58% 8.58% 8.58% 8.16% 8.16% 8.16%        
Principal Amount, Par Value $ 3,950     $ 3,960            
Cost 3,935     3,945            
Investments at fair value $ 3,769     $ 3,763            
Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 9.79% 9.79% 9.79% 9.28% 9.28% 9.28%        
Principal Amount, Par Value $ 2,000     $ 2,000            
Cost 1,908     1,905            
Investments at fair value $ 1,908     $ 1,901            
Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 5.00% 5.00% 5.00%        
Interest Rate 9.17% 9.17% 9.17% 9.28% 9.28% 9.28%        
Principal Amount, Par Value $ 2,500     $ 2,000            
Cost 2,375     1,905            
Investments at fair value $ 2,375     $ 1,901            
Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.58% 8.58% 8.58% 8.16% 8.16% 8.16%        
Principal Amount, Par Value $ 7,901     $ 7,921            
Cost 7,870     7,889            
Investments at fair value $ 7,538     $ 7,527            
Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 3 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest Rate 9.79% 9.79% 9.79%              
Principal Amount, Par Value $ 2,000                  
Cost 1,908                  
Investments at fair value $ 1,908                  
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.92% 8.92% 8.92% 8.50% 8.50% 8.50%        
Principal Amount, Par Value $ 4,163     $ 4,174            
Cost 4,147     4,157            
Investments at fair value $ 4,092     $ 3,993            
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.92% 8.92% 8.92% 8.50% 8.50% 8.50%        
Principal Amount, Par Value $ 8,326     $ 8,348            
Cost 8,295     8,314            
Investments at fair value $ 8,185     $ 7,985            
Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.38% 8.38% 8.38% 8.25% 8.25% 8.25%        
Principal Amount, Par Value $ 4,168     $ 4,179            
Cost 4,150     4,160            
Investments at fair value $ 4,059     $ 3,996            
Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.38% 8.38% 8.38% 8.25% 8.25% 8.25%        
Principal Amount, Par Value $ 6,172     $ 6,188            
Cost 6,147     6,162            
Investments at fair value $ 6,010     $ 5,917            
Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest Rate 9.53% 9.53% 9.53% 8.94% 8.94% 8.94%        
Principal Amount, Par Value $ 4,643     $ 4,655            
Cost 4,622     4,633            
Investments at fair value 4,385     4,373            
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,000 [3],[4],[56]     4,000 [5],[6],[57]            
Investments at fair value 0 [3],[4],[56]     0 [5],[6],[57]            
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,000 [3],[4],[56]     1,000 [5],[6],[57]            
Investments at fair value 0 [3],[4],[56]     0 [5],[6],[57]            
Investment, Identifier [Axis]: NM APP Canada Corp., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[31],[58]     0 [5],[32],[59]            
Investment, Identifier [Axis]: NM APP US LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[58]     0 [5],[59]            
Investment, Identifier [Axis]: NM CLFX LP, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,538 [3],[58]     12,538 [5],[59]            
Investments at fair value 15,437 [3],[58]     16,172 [5],[59]            
Investment, Identifier [Axis]: NM DRVT LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[58]     0 [5],[59]            
Investment, Identifier [Axis]: NM GLCR LP, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[58]     0 [5],[59]            
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 861 [3],[58]     861 [5],[59]            
Investments at fair value 1,029 [3],[31],[58]     1,028 [5],[32],[59]            
Investment, Identifier [Axis]: NM JRA LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[58]     0 [5],[59]            
Investment, Identifier [Axis]: NM KRLN LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[58]     0 [5],[59]            
Investments at fair value 0 [3],[58]     0 [5],[59]            
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 76,370 [3],[58]     76,370 [5],[59]            
Investments at fair value 94,576 [3],[31],[58]     94,305 [5],[32],[59]            
Investment, Identifier [Axis]: NM YI, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,272 [3],[58]     6,272 [5],[59]            
Investments at fair value $ 9,581 [3],[58]     $ 9,481 [5],[59]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 10.95% [3],[4],[9],[11] 10.95% [3],[4],[9],[11] 10.95% [3],[4],[9],[11] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,635 [3],[4],[9],[13]     $ 1,635 [5],[6],[10],[14]            
Cost 1,612 [3],[4],[9]     1,611 [5],[6],[10]            
Investments at fair value 1,635 [3],[4],[9]     1,624 [5],[6],[10]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,266 [3],[4],[9],[13]     9,029 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (63) [5],[6],[10]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[17] 6.00% [3],[17] 6.00% [3],[17] 6.00% [5],[18] 6.00% [5],[18] 6.00% [5],[18]        
Interest Rate 10.75% [3],[11],[17] 10.75% [3],[11],[17] 10.75% [3],[11],[17] 9.74% [5],[12],[18] 9.74% [5],[12],[18] 9.74% [5],[12],[18]        
Principal Amount, Par Value $ 19,259 [3],[13],[17]     $ 19,259 [5],[14],[18]            
Cost 19,041 [3],[17]     19,033 [5],[18]            
Investments at fair value $ 19,259 [3],[17]     $ 19,124 [5],[18]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.75% [3],[8],[11] 10.75% [3],[8],[11] 10.75% [3],[8],[11] 9.74% [5],[12],[21] 9.74% [5],[12],[21] 9.74% [5],[12],[21]        
Principal Amount, Par Value $ 4,913 [3],[8],[13]     $ 4,913 [5],[14],[21]            
Cost 4,857 [3],[8]     4,855 [5],[21]            
Investments at fair value 4,913 [3],[8]     4,879 [5],[21]            
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 140,000 [3],[4]     140,000 [5],[6]            
Investments at fair value 140,000 [3],[4],[31]     140,000 [5],[6],[32]            
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 112,400 [3],[4]     112,400 [5],[6]            
Investments at fair value $ 112,400 [3],[4],[31]     $ 112,400 [5],[6],[32]            
Investment, Identifier [Axis]: National HME, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[19],[24] 5.00% 5.00% 5.00%              
Interest Rate [3],[4],[11],[19],[24] 9.85% 9.85% 9.85%              
Principal Amount, Par Value [3],[4],[13] $ 8,281                  
Cost [3],[4],[56] 7,872                  
Investments at fair value [3],[4],[56] $ 5,000                  
Investment, Identifier [Axis]: National HME, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [5],[6],[20],[26]       12.00% 12.00% 12.00%        
Interest Rate [5],[6],[12],[20],[26]       12.00% 12.00% 12.00%        
Principal Amount, Par Value [5],[6],[14]       $ 13,013            
Cost [5],[6]       12,583            
Investments at fair value [5],[6]       $ 5,381            
Investment, Identifier [Axis]: National HME, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [5],[6],[20],[26]       12.00% 12.00% 12.00%        
Interest Rate [5],[6],[12],[20],[26]       12.00% 12.00% 12.00%        
Principal Amount, Par Value [5],[6],[14]       $ 14,500            
Cost [5],[6]       12,693            
Investments at fair value [5],[6]       $ 0            
Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.40% 8.40% 8.40% 8.08% 8.08% 8.08%        
Principal Amount, Par Value $ 2,420     $ 8,485            
Cost 2,407     8,483            
Investments at fair value $ 2,394     $ 8,416            
Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.40% 8.40% 8.40% 8.08% 8.08% 8.08%        
Principal Amount, Par Value $ 376     $ 1,319            
Cost 375     1,320            
Investments at fair value $ 372     $ 1,308            
Investment, Identifier [Axis]: Navex Topco, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25% 3.25%        
Interest Rate       7.64% 7.64% 7.64%        
Principal Amount, Par Value       $ 10,887            
Cost       10,841            
Investments at fair value       $ 10,811            
Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 3,930     $ 3,940            
Cost 3,930     3,940            
Investments at fair value $ 3,887     $ 3,805            
Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 6,877     $ 6,894            
Cost 6,877     6,895            
Investments at fair value $ 6,802     $ 6,658            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.50% [3],[8],[19] 9.50% [3],[8],[19] 9.50% [3],[8],[19] 2.50% [5],[20],[21] 2.50% [5],[20],[21] 2.50% [5],[20],[21]        
PIK [5],[20],[21]       7.00% 7.00% 7.00%        
Interest Rate 14.50% [3],[8],[11],[19] 14.50% [3],[8],[11],[19] 14.50% [3],[8],[11],[19] 14.23% [5],[12],[20],[21] 14.23% [5],[12],[20],[21] 14.23% [5],[12],[20],[21]        
Principal Amount, Par Value $ 37,384 [3],[8],[13]     $ 35,541 [5],[14],[21]            
Cost 37,385 [3],[8]     35,541 [5],[21]            
Investments at fair value $ 37,384 [3],[8]     $ 35,541 [5],[21]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.50% [19] 9.50% [19] 9.50% [19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
PIK [5],[18],[20]       7.00% 7.00% 7.00%        
Interest Rate 14.50% [3],[11],[17],[19] 14.50% [3],[11],[17],[19] 14.50% [3],[11],[17],[19] 14.23% [5],[12],[18],[20] 14.23% [5],[12],[18],[20] 14.23% [5],[12],[18],[20]        
Principal Amount, Par Value $ 9,172 [3],[13],[17]     $ 8,720 [5],[14],[18]            
Cost 9,172 [3],[17]     8,720 [5],[18]            
Investments at fair value $ 9,172 [3],[17]     $ 8,720 [5],[18]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.50% [19] 9.50% [19] 9.50% [19] 2.50% [5],[6],[20] 2.50% [5],[6],[20] 2.50% [5],[6],[20]        
PIK [5],[6],[20]       7.00% 7.00% 7.00%        
Interest Rate 14.50% [3],[4],[11],[19] 14.50% [3],[4],[11],[19] 14.50% [3],[4],[11],[19] 14.23% [5],[6],[12],[20] 14.23% [5],[6],[12],[20] 14.23% [5],[6],[12],[20]        
Principal Amount, Par Value $ 11,521 [3],[4],[13]     $ 4,282 [5],[6],[14]            
Cost 11,521 [3],[4]     4,282 [5],[6]            
Investments at fair value $ 11,521 [3],[4]     $ 4,282 [5],[6]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [19] 12.00% [19] 12.00% [19] 12.00% [5],[6],[20] 12.00% [5],[6],[20] 12.00% [5],[6],[20]        
Interest Rate 12.00% [3],[4],[11],[19] 12.00% [3],[4],[11],[19] 12.00% [3],[4],[11],[19] 12.00% [5],[6],[12],[20] 12.00% [5],[6],[12],[20] 12.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 19 [3],[4],[13]     $ 18,687 [5],[6],[14]            
Cost 17,575 [3],[4]     16,874 [5],[6]            
Investments at fair value 15,331 [3],[4]     14,950 [5],[6]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 27,154 [3],[8]     27,154 [5],[21]            
Investments at fair value 34,490 [3],[8]     34,490 [5],[21]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,662 [3],[17]     6,662 [5],[18]            
Investments at fair value 8,462 [3],[17]     8,462 [5],[18]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,106 [3],[4]     6,106 [5],[6]            
Investments at fair value 7,701 [3],[4]     7,701 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,155 [3],[4]     11,155 [5],[6]            
Investments at fair value $ 25,999 [3],[4]     $ 26,000 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 18.00% [3],[4],[19] 18.00% [3],[4],[19] 18.00% [3],[4],[19] 18.00% [5],[6],[20] 18.00% [5],[6],[20] 18.00% [5],[6],[20]        
Interest Rate 18.00% [3],[4],[11],[19] 18.00% [3],[4],[11],[19] 18.00% [3],[4],[11],[19] 18.00% [5],[6],[12],[20] 18.00% [5],[6],[12],[20] 18.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 22,760 [3],[4],[13]     $ 21,779 [5],[6],[14]            
Cost 22,760 [3],[4]     21,779 [5],[6]            
Investments at fair value $ 22,760 [3],[4]     $ 21,779 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.00% [3],[4],[9],[19] 9.00% [3],[4],[9],[19] 9.00% [3],[4],[9],[19] 9.00% [5],[6],[10],[20] 9.00% [5],[6],[10],[20] 9.00% [5],[6],[10],[20]        
Interest Rate 13.66% [3],[4],[9],[11],[19] 13.66% [3],[4],[9],[11],[19] 13.66% [3],[4],[9],[11],[19] 13.12% [5],[6],[10],[12],[20] 13.12% [5],[6],[10],[12],[20] 13.12% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 10,117 [3],[4],[9],[13]     $ 9,785 [5],[6],[10],[14]            
Cost 10,117 [3],[4],[9]     9,785 [5],[6],[10]            
Investments at fair value 10,117 [3],[4],[9]     9,785 [5],[6],[10]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,577 [3],[4],[9],[13]     1,577 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: New Trojan Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [5],[21] 7.25% [5],[21] 7.25% [5],[21]        
Interest Rate 12.09% [3],[8],[11] 12.09% [3],[8],[11] 12.09% [3],[8],[11] 11.63% [5],[12],[21] 11.63% [5],[12],[21] 11.63% [5],[12],[21]        
Principal Amount, Par Value $ 26,762 [3],[8],[13]     $ 26,762 [5],[14],[21]            
Cost 26,656 [3],[8]     26,653 [5],[21]            
Investments at fair value $ 18,924 [3],[8]     $ 20,101 [5],[21]            
Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.06% 11.06% 11.06%              
Principal Amount, Par Value $ 4,897                  
Cost 4,359                  
Investments at fair value $ 4,322                  
Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.06% 11.06% 11.06%              
Principal Amount, Par Value $ 3,265                  
Cost 2,905                  
Investments at fair value $ 2,881                  
Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.06% 11.06% 11.06%              
Principal Amount, Par Value $ 10,103                  
Cost 8,992                  
Investments at fair value $ 8,916                  
Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.06% 11.06% 11.06%              
Principal Amount, Par Value $ 6,735                  
Cost 5,995                  
Investments at fair value $ 5,944                  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [5],[6],[10] 6.75% [5],[6],[10] 6.75% [5],[6],[10]        
Interest Rate 11.58% [3],[4],[9],[11] 11.58% [3],[4],[9],[11] 11.58% [3],[4],[9],[11] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12]        
Principal Amount, Par Value $ 874 [3],[4],[9],[13]     $ 876 [5],[6],[10],[14]            
Cost 871 [3],[4],[9]     873 [5],[6],[10]            
Investments at fair value $ 834 [3],[4],[9]     $ 861 [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [5],[6],[10] 6.75% [5],[6],[10] 6.75% [5],[6],[10]        
Interest Rate 11.58% [3],[4],[9],[11] 11.58% [3],[4],[9],[11] 11.58% [3],[4],[9],[11] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12]        
Principal Amount, Par Value $ 176 [3],[4],[9],[13]     $ 147 [5],[6],[10],[14]            
Cost 175 [3],[4],[9]     146 [5],[6],[10]            
Investments at fair value 169 [3],[4],[9]     145 [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 587 [3],[4],[9],[13]     587 [5],[6],[10],[14]            
Cost (7) [3],[4],[9]     (7) [5],[6],[10]            
Investments at fair value (26) [3],[4],[9]     (10) [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 704 [3],[4],[9],[13]     734 [5],[6],[10],[14]            
Cost (5) [3],[4],[9]     (6) [5],[6],[10]            
Investments at fair value $ (32) [3],[4],[9]     $ (12) [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[17] 6.75% [3],[17] 6.75% [3],[17] 6.75% [5],[18] 6.75% [5],[18] 6.75% [5],[18]        
Interest Rate 11.58% [3],[11],[17] 11.58% [3],[11],[17] 11.58% [3],[11],[17] 10.99% [5],[12],[18] 10.99% [5],[12],[18] 10.99% [5],[12],[18]        
Principal Amount, Par Value $ 10,026 [3],[13],[17]     $ 10,051 [5],[14],[18]            
Cost 9,964 [3],[17]     9,987 [5],[18]            
Investments at fair value $ 9,576 [3],[17]     $ 9,882 [5],[18]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[17] 6.75% [3],[17] 6.75% [3],[17] 6.75% [5],[18] 6.75% [5],[18] 6.75% [5],[18]        
Interest Rate 11.58% [3],[11],[17] 11.58% [3],[11],[17] 11.58% [3],[11],[17] 10.99% [5],[12],[18] 10.99% [5],[12],[18] 10.99% [5],[12],[18]        
Principal Amount, Par Value $ 9,900 [3],[13],[17]     $ 9,925 [5],[14],[18]            
Cost 9,835 [3],[17]     9,857 [5],[18]            
Investments at fair value 9,455 [3],[17]     9,758 [5],[18]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,600 [3],[4],[9],[13]     3,600 [5],[6],[10],[14]            
Cost (36) [3],[4],[9],[60]     (36) [5],[6],[10],[61]            
Investments at fair value $ (23) [3],[4],[9],[60]     $ (29) [5],[6],[10],[61]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.56% [3],[8],[11] 10.56% [3],[8],[11] 10.56% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 27,919 [3],[8],[13]     $ 27,989 [5],[14],[21]            
Cost 27,679 [3],[8]     27,742 [5],[21]            
Investments at fair value $ 27,741 [3],[8]     $ 27,763 [5],[21]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.56% [3],[8],[11] 10.56% [3],[8],[11] 10.56% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 1,767 [3],[8],[13]     $ 1,772 [5],[14],[21]            
Cost 1,751 [3],[8]     1,755 [5],[21]            
Investments at fair value 1,756 [3],[8]     1,757 [5],[21]            
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,000 [3],[4],[60]     2,000 [5],[6],[61]            
Investments at fair value 2,206 [3],[4],[60]     2,000 [5],[6],[61]            
Investment, Identifier [Axis]: OEC Holdco, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 7,995 [3],[62],[63]     7,565 [5],[64],[65]            
Investments at fair value $ 7,525 [3],[62],[63]     $ 7,214 [5],[64],[65]            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.91% 8.91% 8.91% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 4,070     $ 4,081            
Cost 4,047     4,056            
Investments at fair value $ 4,006     $ 3,899            
Investment, Identifier [Axis]: OEConnection LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [5],[21] 7.00% [5],[21] 7.00% [5],[21]        
Interest Rate 11.91% [3],[8],[11] 11.91% [3],[8],[11] 11.91% [3],[8],[11] 11.42% [5],[12],[21] 11.42% [5],[12],[21] 11.42% [5],[12],[21]        
Principal Amount, Par Value $ 23,406 [3],[8],[13]     $ 23,406 [5],[14],[21]            
Cost 23,214 [3],[8]     23,206 [5],[21]            
Investments at fair value $ 22,933 [3],[8]     $ 22,687 [5],[21]            
Investment, Identifier [Axis]: OEConnection LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [5],[21] 7.00% [5],[21] 7.00% [5],[21]        
Interest Rate 11.91% [3],[8],[11] 11.91% [3],[8],[11] 11.91% [3],[8],[11] 11.42% [5],[12],[21] 11.42% [5],[12],[21] 11.42% [5],[12],[21]        
Principal Amount, Par Value $ 12,044 [3],[8],[13]     $ 12,044 [5],[14],[21]            
Cost 11,966 [3],[8]     11,963 [5],[21]            
Investments at fair value 11,801 [3],[8]     $ 11,674 [5],[21]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,860                  
Cost [3],[4],[9] (23)                  
Investments at fair value [3],[4],[9] $ (9)                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 7.75% 7.75% 7.75%              
Interest Rate [3],[11],[17] 12.43% 12.43% 12.43%              
Principal Amount, Par Value [3],[13],[17] $ 7,440                  
Cost [3],[17] 7,349                  
Investments at fair value [3],[17] $ 7,404                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.75% 7.75% 7.75%              
Interest Rate [3],[8],[11] 12.43% 12.43% 12.43%              
Principal Amount, Par Value [3],[8],[13] $ 7,440                  
Cost [3],[8] 7,349                  
Investments at fair value [3],[8] $ 7,404                  
Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest Rate 8.09% 8.09% 8.09% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,322     $ 3,331            
Cost 3,319     3,327            
Investments at fair value $ 3,241     $ 3,237            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[15] 5.75% [3],[15] 5.75% [3],[15] 5.75% [5],[16] 5.75% [5],[16] 5.75% [5],[16]        
Interest Rate 10.85% [3],[11],[15] 10.85% [3],[11],[15] 10.85% [3],[11],[15] 9.12% [5],[12],[16] 9.12% [5],[12],[16] 9.12% [5],[12],[16]        
Principal Amount, Par Value $ 7,205 [3],[13],[15]     $ 6,629 [5],[14],[16]            
Cost 7,137 [3],[15]     6,565 [5],[16]            
Investments at fair value 7,049 [3],[15]     $ 6,500 [5],[16]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.03% 10.03% 10.03%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 131            
Cost [5],[6],[10]       134            
Investments at fair value [5],[6],[10]       129            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 309 [3],[9],[13],[15]     355 [5],[6],[10],[14]            
Cost 0 [3],[9],[15]     (7) [5],[6],[10]            
Investments at fair value (7) [3],[9],[15]     (7) [5],[6],[10]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 486 [3],[4],[9],[13]     885 [5],[10],[14],[16]            
Cost (5) [3],[4],[9]     0 [5],[10],[16]            
Investments at fair value $ (11) [3],[4],[9]     $ (17) [5],[10],[16]            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [3],[4] 0.00% [3],[4] 0.00% [3],[4] 0.00% [5],[6] 0.00% [5],[6] 0.00% [5],[6]        
Interest Rate 0.00% [3],[4],[11] 0.00% [3],[4],[11] 0.00% [3],[4],[11] 0.00% [5],[6],[12] 0.00% [5],[6],[12] 0.00% [5],[6],[12]        
Principal Amount, Par Value $ 14,500 [3],[4],[13]     $ 14,500 [5],[6],[14]           $ 20,000
Cost 14,500 [3],[4]     14,500 [5],[6]            
Investments at fair value $ 7,995 [3],[4]     $ 7,995 [5],[6]            
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [24],[66] 0.00% [24],[66] 0.00% [24],[66] 0.00% [26],[67] 0.00% [26],[67] 0.00% [26],[67]        
Interest Rate 0.00% [11],[24],[66] 0.00% [11],[24],[66] 0.00% [11],[24],[66] 0.00% [12],[26],[67] 0.00% [12],[26],[67] 0.00% [12],[26],[67]        
Principal Amount, Par Value $ 0 [13],[24],[66]     $ 0 [14],[26],[67]            
Cost 0 [24],[66]     0 [26],[67]            
Investments at fair value $ 0 [24],[66]     $ 0 [26],[67]            
Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.43% 8.43% 8.43% 7.84% 7.84% 7.84%        
Principal Amount, Par Value $ 1,723     $ 1,728            
Cost 1,719     1,724            
Investments at fair value $ 1,693     $ 1,682            
Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.43% 8.43% 8.43% 7.84% 7.84% 7.84%        
Principal Amount, Par Value $ 1,329     $ 1,333            
Cost 1,326     1,330            
Investments at fair value $ 1,306     $ 1,298            
Investment, Identifier [Axis]: Peraton Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 7,216     $ 7,235            
Cost 7,189     7,206            
Investments at fair value $ 7,131     $ 7,082            
Investment, Identifier [Axis]: Permian Trust, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [3],[19],[24],[68] 10.00% [3],[19],[24],[68] 10.00% [3],[19],[24],[68] 10.00% [5],[20],[26],[69] 10.00% [5],[20],[26],[69] 10.00% [5],[20],[26],[69]        
Interest Rate 10.00% [3],[11],[19],[24],[68] 10.00% [3],[11],[19],[24],[68] 10.00% [3],[11],[19],[24],[68] 10.00% [5],[12],[20],[26],[69] 10.00% [5],[12],[20],[26],[69] 10.00% [5],[12],[20],[26],[69]        
Principal Amount, Par Value $ 247 [3],[13],[68]     $ 247 [5],[14],[69]            
Cost 0 [3],[68]     0 [5],[69]            
Investments at fair value $ 0 [3],[68]     $ 0 [5],[69]            
Investment, Identifier [Axis]: Permian Trust, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 10.00% [3],[4],[19],[24] 10.00% [3],[4],[19],[24] 10.00% [3],[4],[19],[24] 10.00% [5],[6],[20],[26] 10.00% [5],[6],[20],[26] 10.00% [5],[6],[20],[26]        
Interest Rate 11.00% [3],[4],[11],[19],[24] 11.00% [3],[4],[11],[19],[24] 11.00% [3],[4],[11],[19],[24] 11.00% [5],[6],[12],[20],[26] 11.00% [5],[6],[12],[20],[26] 11.00% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 3,409 [3],[4],[13]     $ 3,409 [5],[6],[14]            
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 4,561     $ 4,573            
Cost 4,559     4,570            
Investments at fair value $ 4,432     $ 4,321            
Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 7,955     $ 7,975            
Cost 7,943     7,962            
Investments at fair value $ 7,731     $ 7,537            
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.25% [5],[21] 6.25% [5],[21] 6.25% [5],[21]        
Interest Rate 11.58% [3],[8],[11] 11.58% [3],[8],[11] 11.58% [3],[8],[11] 10.80% [5],[12],[21] 10.80% [5],[12],[21] 10.80% [5],[12],[21]        
Principal Amount, Par Value $ 49,160 [3],[8],[13]     $ 49,270 [5],[14],[21]            
Cost 49,028 [3],[8]     49,116 [5],[21]            
Investments at fair value $ 49,159 [3],[8]     $ 49,270 [5],[21]            
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.25% [5],[21] 6.25% [5],[21] 6.25% [5],[21]        
Interest Rate 11.66% [3],[8],[11] 11.66% [3],[8],[11] 11.66% [3],[8],[11] 10.80% [5],[12],[21] 10.80% [5],[12],[21] 10.80% [5],[12],[21]        
Principal Amount, Par Value $ 18,655 [3],[8],[13]     $ 18,726 [5],[14],[21]            
Cost 18,615 [3],[8]     18,663 [5],[21]            
Investments at fair value $ 18,655 [3],[8]     $ 18,726 [5],[21]            
Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.05% 9.05% 9.05% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 4,263     $ 5,627            
Cost 4,226     5,575            
Investments at fair value $ 4,014     $ 5,383            
Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.05% 9.05% 9.05% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 3,222     $ 4,252            
Cost 3,194     4,214            
Investments at fair value 3,033     4,068            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,446 [3],[4],[9],[13]     2,446 [5],[6],[10],[14]            
Cost (24) [3],[4],[9],[70]     (24) [5],[6],[10],[71]            
Investments at fair value $ (15) [3],[4],[9],[70]     $ (32) [5],[6],[10],[71]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[17],[19] 7.00% [3],[17],[19] 7.00% [3],[17],[19] 7.00% [5],[18],[20] 7.00% [5],[18],[20] 7.00% [5],[18],[20]        
Interest Rate 11.90% [3],[11],[17],[19] 11.90% [3],[11],[17],[19] 11.90% [3],[11],[17],[19] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20]        
Principal Amount, Par Value $ 15,341 [3],[13],[17]     $ 14,900 [5],[14],[18]            
Cost 15,228 [3],[17]     14,782 [5],[18]            
Investments at fair value $ 15,246 [3],[17]     $ 14,706 [5],[18]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[17],[19] 7.00% [3],[17],[19] 7.00% [3],[17],[19] 7.00% [5],[18],[20] 7.00% [5],[18],[20] 7.00% [5],[18],[20]        
Interest Rate 11.90% [3],[11],[17],[19] 11.90% [3],[11],[17],[19] 11.90% [3],[11],[17],[19] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20]        
Principal Amount, Par Value $ 2,103 [3],[13],[17]     $ 2,042 [5],[14],[18]            
Cost 2,086 [3],[17]     2,025 [5],[18]            
Investments at fair value 2,090 [3],[17]     2,016 [5],[18]            
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,999 [3],[70],[72]     1,999 [5],[71],[73]            
Investments at fair value $ 1,614 [3],[70],[72]     $ 1,631 [5],[71],[73]            
Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.16% 9.16% 9.16% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 10,804     $ 10,832            
Cost 10,580     10,598            
Investments at fair value $ 10,273     $ 10,109            
Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 7.92% 7.92% 7.92%        
Principal Amount, Par Value $ 7,386     $ 7,405            
Cost 7,372     7,390            
Investments at fair value $ 7,091     $ 7,183            
Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.91% 8.91% 8.91% 7.92% 7.92% 7.92%        
Principal Amount, Par Value $ 1,941     $ 1,946            
Cost 1,937     1,942            
Investments at fair value $ 1,863     $ 1,888            
Investment, Identifier [Axis]: Project Boost Purchaser, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 2,456     $ 2,463            
Cost 2,452     2,458            
Investments at fair value 2,422     2,377            
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,313 [3],[4],[74]     11,885 [5],[6],[75]            
Investments at fair value $ 11,713 [3],[4],[74]     $ 11,569 [5],[6],[75]            
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.00% 7.00% 7.00%              
Interest Rate [3],[8],[11] 11.90% 11.90% 11.90%              
Principal Amount, Par Value [3],[8],[13] $ 3,580                  
Cost [3],[8] 3,529                  
Investments at fair value [3],[8] 3,527                  
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 184                  
Cost [3],[4],[9] (3)                  
Investments at fair value [3],[4],[9] $ (3)                  
Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest Rate 8.09% 8.09% 8.09% 7.63% 7.63% 7.63%        
Principal Amount, Par Value $ 4,341     $ 4,352            
Cost 4,324     4,335            
Investments at fair value $ 4,196     $ 4,124            
Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% 5.75% 5.75% 5.75% 5.75% 5.75%        
Interest Rate 10.56% 10.56% 10.56% 10.07% 10.07% 10.07%        
Principal Amount, Par Value $ 4,975     $ 4,988            
Cost 4,837     4,844            
Investments at fair value $ 5,058     $ 4,838            
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 5,148 [3],[8],[13]     $ 5,161 [5],[14],[21]            
Cost 5,104 [3],[8]     5,115 [5],[21]            
Investments at fair value 5,024 [3],[8]     $ 5,014 [5],[21]            
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       10.23% 10.23% 10.23%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 422            
Cost [5],[6],[10]       418            
Investments at fair value [5],[6],[10]       410            
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,161 [3],[4],[9],[13]     483 [5],[6],[10],[14]            
Cost (16) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ (28) [3],[4],[9]     $ (14) [5],[6],[10]            
Investment, Identifier [Axis]: Quartz Holding Company, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[4] 8.00% [3],[4] 8.00% [3],[4] 8.00% [5],[6] 8.00% [5],[6] 8.00% [5],[6]        
Interest Rate 12.84% [3],[4],[11] 12.84% [3],[4],[11] 12.84% [3],[4],[11] 12.38% [5],[6],[12] 12.38% [5],[6],[12] 12.38% [5],[6],[12]        
Principal Amount, Par Value $ 10,000 [3],[4],[13]     $ 10,000 [5],[6],[14]            
Cost 9,882 [3],[4]     9,877 [5],[6]            
Investments at fair value $ 9,884 [3],[4]     $ 9,802 [5],[6]            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 5,771     $ 5,785            
Cost 5,748     5,761            
Investments at fair value $ 5,597     $ 5,462            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 4,719            
Cost       4,700            
Investments at fair value       $ 4,456            
Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest Rate 7.84% 7.84% 7.84% 7.38% 7.38% 7.38%        
Principal Amount, Par Value $ 10,134     $ 10,159            
Cost 10,115     10,139            
Investments at fair value $ 9,852     $ 9,687            
Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest Rate 7.84% 7.84% 7.84% 7.38% 7.38% 7.38%        
Principal Amount, Par Value $ 3,619     $ 3,628            
Cost 3,609     3,617            
Investments at fair value 3,519     3,460            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,981 [3],[4],[9],[13]     2,981 [5],[6],[10],[14]            
Cost (20) [3],[4],[9]     (20) [5],[6],[10]            
Investments at fair value $ (15) [3],[4],[9]     $ (25) [5],[6],[10]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[17] 5.25% [3],[17] 5.25% [3],[17] 5.25% [5],[18] 5.25% [5],[18] 5.25% [5],[18]        
Interest Rate 10.40% [3],[11],[17] 10.40% [3],[11],[17] 10.40% [3],[11],[17] 9.98% [5],[12],[18] 9.98% [5],[12],[18] 9.98% [5],[12],[18]        
Principal Amount, Par Value $ 24,406 [3],[13],[17]     $ 24,469 [5],[14],[18]            
Cost 24,299 [3],[17]     24,351 [5],[18]            
Investments at fair value $ 24,282 [3],[17]     $ 24,263 [5],[18]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.40% [3],[8],[11] 10.40% [3],[8],[11] 10.40% [3],[8],[11] 9.98% [5],[12],[21] 9.98% [5],[12],[21] 9.98% [5],[12],[21]        
Principal Amount, Par Value $ 12,620 [3],[8],[13]     $ 12,652 [5],[14],[21]            
Cost 12,562 [3],[8]     12,589 [5],[21]            
Investments at fair value $ 12,556 [3],[8]     $ 12,546 [5],[21]            
Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 9.58% 9.58% 9.58%              
Principal Amount, Par Value $ 6,629                  
Cost 6,430                  
Investments at fair value $ 6,442                  
Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 9.58% 9.58% 9.58%              
Principal Amount, Par Value $ 5,114                  
Cost 4,960                  
Investments at fair value $ 4,970                  
Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% 7.25% 7.25% 7.25% 7.25% 7.25%        
Interest Rate 12.02% 12.02% 12.02% 11.52% 11.52% 11.52%        
Principal Amount, Par Value $ 2,289     $ 2,294            
Cost 2,203     2,204            
Investments at fair value $ 2,197     $ 2,202            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.41% [3],[8],[11] 10.41% [3],[8],[11] 10.41% [3],[8],[11] 10.41% [5],[12],[21] 10.41% [5],[12],[21] 10.41% [5],[12],[21]        
Principal Amount, Par Value $ 6,957 [3],[8],[13]     $ 6,975 [5],[14],[21]            
Cost 6,929 [3],[8]     6,946 [5],[21]            
Investments at fair value $ 6,877 [3],[8]     6,861 [5],[21]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 4.25% 4.25% 4.25%              
Interest Rate [3],[4],[9],[11] 12.25% 12.25% 12.25%              
Principal Amount, Par Value [3],[4],[9],[13] $ 128                  
Cost [3],[4],[9] 127                  
Investments at fair value [3],[4],[9] 126                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 384 [3],[4],[9],[13]     512 [5],[6],[10],[14]            
Cost (2) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ (4) [3],[4],[9]     $ (8) [5],[6],[10]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% 6.75% 6.75% 4.00% 4.00% 4.00%        
Interest Rate 11.43% 11.43% 11.43% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 2,424     $ 2,381            
Cost 2,423     2,380            
Investments at fair value $ 1,687     $ 1,661            
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% 6.75% 6.75% 4.00% 4.00% 4.00%        
Interest Rate 11.43% 11.43% 11.43% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 4,247     $ 4,172            
Cost 4,239     4,164            
Investments at fair value 2,955     2,910            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,501 [3],[8]     11,501 [5],[21]            
Investments at fair value 3,599 [3],[8]     3,599 [5],[21]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,282 [3],[4]     1,282 [5],[6]            
Investments at fair value $ 401 [3],[4]     $ 401 [5],[6]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [3],[4],[19],[24] 15.00% [3],[4],[19],[24] 15.00% [3],[4],[19],[24] 15.00% [5],[6],[20],[26] 15.00% [5],[6],[20],[26] 15.00% [5],[6],[20],[26]        
Interest Rate 15.00% [3],[4],[11],[19],[24] 15.00% [3],[4],[11],[19],[24] 15.00% [3],[4],[11],[19],[24] 15.00% [5],[6],[12],[20],[26] 15.00% [5],[6],[12],[20],[26] 15.00% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 5 [3],[4],[13]     $ 5 [5],[6],[14]            
Cost 5 [3],[4]     5 [5],[6]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 6,606     $ 6,622            
Cost 6,550     6,564            
Investments at fair value $ 6,077     $ 6,093            
Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.66% 9.66% 9.66% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 8,563     $ 8,584            
Cost 8,490     8,509            
Investments at fair value $ 7,878     $ 7,898            
Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.33% 8.33% 8.33% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 7,365     $ 9,429            
Cost 7,350     9,410            
Investments at fair value $ 7,243     $ 9,225            
Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.33% 8.33% 8.33% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 6,474     $ 8,290            
Cost 6,462     8,273            
Investments at fair value $ 6,367     $ 8,110            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.50% [3],[8],[11] 10.50% [3],[8],[11] 10.50% [3],[8],[11] 9.49% [5],[12],[21] 9.49% [5],[12],[21] 9.49% [5],[12],[21]        
Principal Amount, Par Value $ 10,432 [3],[8],[13]     $ 10,458 [5],[14],[21]            
Cost 10,319 [3],[8]     10,341 [5],[21]            
Investments at fair value $ 9,987 [3],[8]     $ 10,019 [5],[21]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.75% 5.75% 5.75%              
Interest Rate [3],[4],[9],[11] 10.58% 10.58% 10.58%              
Principal Amount, Par Value [3],[4],[9],[13] $ 78                  
Cost [3],[4],[9] 75                  
Investments at fair value [3],[4],[9] 75                  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       4.00% 4.00% 4.00%        
Interest Rate [5],[6],[10],[12]       8.29% 8.29% 8.29%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 212            
Cost [5],[6],[10]       209            
Investments at fair value [5],[6],[10]       $ 204            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       9.76% 9.76% 9.76%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 79            
Cost [5],[6],[10]       75            
Investments at fair value [5],[6],[10]       75            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 559 [3],[4],[9],[13]     347 [5],[6],[10],[14]            
Cost (8) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value (24) [3],[4],[9]     (15) [5],[6],[10]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 868 [3],[4],[9],[13]     868 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (37) [3],[4],[9]     $ (36) [5],[6],[10]            
Investment, Identifier [Axis]: Spring Education Group, Inc (fka SSH Group Holdings, Inc.), Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[8] 8.25% [3],[8] 8.25% [3],[8] 8.25% [5],[21] 8.25% [5],[21] 8.25% [5],[21]        
Interest Rate 13.41% [3],[8],[11] 13.41% [3],[8],[11] 13.41% [3],[8],[11] 12.98% [5],[12],[21] 12.98% [5],[12],[21] 12.98% [5],[12],[21]        
Principal Amount, Par Value $ 21,959 [3],[8],[13]     $ 21,959 [5],[14],[21]            
Cost 21,929 [3],[8]     21,928 [5],[21]            
Investments at fair value $ 21,405 [3],[8]     $ 21,324 [5],[21]            
Investment, Identifier [Axis]: Spring Education Group, Inc. (fka SSH Group Holdings, Inc.), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.90% 8.90% 8.90% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 11,902     $ 11,933            
Cost 11,891     11,921            
Investments at fair value $ 11,837     $ 11,692            
Investment, Identifier [Axis]: Storable, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.30% 8.30% 8.30% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,814     $ 3,823            
Cost 3,807     3,816            
Investments at fair value $ 3,693     $ 3,657            
Investment, Identifier [Axis]: Storable, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.30% 8.30% 8.30% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,950     $ 3,960            
Cost 3,931     3,940            
Investments at fair value $ 3,825     $ 3,788            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.59% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 3,975 [3],[8],[13]     $ 3,985 [5],[14],[21]            
Cost 3,946 [3],[8]     3,956 [5],[21]            
Investments at fair value $ 3,931 [3],[8]     $ 3,917 [5],[21]            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[10],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[10],[12],[21]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[10],[14],[21]       $ 2,791            
Cost [5],[10],[21]       2,757            
Investments at fair value [5],[10],[21]       2,744            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8],[9] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[9],[11] 10.59% 10.59% 10.59%              
Principal Amount, Par Value [3],[8],[9],[13] $ 2,809                  
Cost [3],[8],[9] 2,775                  
Investments at fair value [3],[8],[9] $ 2,778                  
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 4.75% 4.75% 4.75%              
Interest Rate [3],[4],[9],[11] 12.75% 12.75% 12.75%              
Principal Amount, Par Value [3],[4],[9],[13] $ 78                  
Cost [3],[4],[9] 80                  
Investments at fair value [3],[4],[9] 77                  
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 127 [3],[8],[9],[13]     559 [5],[6],[10],[14]            
Cost (1) [3],[8],[9]     (5) [5],[6],[10]            
Investments at fair value (1) [3],[8],[9]     (9) [5],[6],[10]            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 481 [3],[4],[9],[13]     152 [5],[10],[14],[21]            
Cost (7) [3],[4],[9]     (1) [5],[10],[21]            
Investments at fair value (5) [3],[4],[9]     (3) [5],[10],[21]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,446 [3],[15]     11,986 [5],[16]            
Investments at fair value 11,450 [3],[15]     11,396 [5],[16]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,291 [3],[4]     4,132 [5],[6]            
Investments at fair value $ 3,947 [3],[4]     $ 3,929 [5],[6]            
Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.28% 9.28% 9.28% 8.69% 8.69% 8.69%        
Principal Amount, Par Value $ 15,680     $ 15,720            
Cost 15,575     15,610            
Investments at fair value $ 14,034     $ 13,205            
Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.28% 9.28% 9.28% 8.69% 8.69% 8.69%        
Principal Amount, Par Value $ 3,755     $ 3,765            
Cost 3,747     3,756            
Investments at fair value $ 3,361     $ 3,163            
Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.28% 9.28% 9.28% 8.84% 8.84% 8.84%        
Principal Amount, Par Value $ 14,700     $ 14,738            
Cost 14,621     14,655            
Investments at fair value $ 13,902     $ 14,340            
Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.28% 9.28% 9.28% 8.84% 8.84% 8.84%        
Principal Amount, Par Value $ 9,735     $ 9,760            
Cost 9,720     9,744            
Investments at fair value $ 9,206     $ 9,497            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[15] 8.00% [3],[15] 8.00% [3],[15] 8.00% [5],[16] 8.00% [5],[16] 8.00% [5],[16]        
Interest Rate 13.21% [3],[11],[15] 13.21% [3],[11],[15] 13.21% [3],[11],[15] 13.21% [5],[12],[16] 13.21% [5],[12],[16] 13.21% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 22,500 [5],[14],[16]            
Cost 22,367 [3],[15]     22,363 [5],[16]            
Investments at fair value $ 21,085 [3],[15]     $ 21,067 [5],[16]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[8] 8.00% [3],[8] 8.00% [3],[8] 8.00% [5],[21] 8.00% [5],[21] 8.00% [5],[21]        
Interest Rate 13.21% [3],[8],[11] 13.21% [3],[8],[11] 13.21% [3],[8],[11] 13.21% [5],[12],[21] 13.21% [5],[12],[21] 13.21% [5],[12],[21]        
Principal Amount, Par Value $ 5,697 [3],[8],[13]     $ 5,697 [5],[14],[21]            
Cost 5,709 [3],[8]     5,710 [5],[21]            
Investments at fair value $ 5,339 [3],[8]     $ 5,334 [5],[21]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% [3],[8] 3.50% [3],[8] 3.50% [3],[8] 3.50% [5],[21] 3.50% [5],[21] 3.50% [5],[21]        
Interest Rate 8.46% [3],[8],[11] 8.46% [3],[8],[11] 8.46% [3],[8],[11] 8.26% [5],[12],[21] 8.26% [5],[12],[21] 8.26% [5],[12],[21]        
Principal Amount, Par Value $ 16,353 [3],[8],[13]     $ 16,395 [5],[14],[21]            
Cost 15,563 [3],[8]     15,474 [5],[21]            
Investments at fair value $ 10,840 [3],[8]     $ 10,657 [5],[21]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% [3],[17] 3.50% [3],[17] 3.50% [3],[17] 3.50% [5],[18] 3.50% [5],[18] 3.50% [5],[18]        
Interest Rate 8.46% [3],[11],[17] 8.46% [3],[11],[17] 8.46% [3],[11],[17] 8.26% [5],[12],[18] 8.26% [5],[12],[18] 8.26% [5],[12],[18]        
Principal Amount, Par Value $ 15,772 [3],[13],[17]     $ 15,813 [5],[14],[18]            
Cost 14,805 [3],[17]     14,687 [5],[18]            
Investments at fair value $ 10,453 [3],[17]     $ 10,277 [5],[18]            
Investment, Identifier [Axis]: TRC Companies L.L.C. (fka Energize Holdco LLC), Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8] 6.75% [3],[8] 6.75% [3],[8] 6.75% [5],[21] 6.75% [5],[21] 6.75% [5],[21]        
Interest Rate 11.59% [3],[8],[11] 11.59% [3],[8],[11] 11.59% [3],[8],[11] 11.13% [5],[12],[21] 11.13% [5],[12],[21] 11.13% [5],[12],[21]        
Principal Amount, Par Value $ 7,950 [3],[8],[13]     $ 7,950 [5],[14],[21]            
Cost 7,915 [3],[8]     7,914 [5],[21]            
Investments at fair value 7,472 [3],[8]     7,488 [5],[21]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 57,927 [3],[4]     56,821 [5],[6]            
Investments at fair value 111,419 [3],[4]     110,314 [5],[6]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,439 [3],[4],[9],[13]     4,439 [5],[6],[10],[14]            
Cost (44) [3],[4],[9]     (44) [5],[6],[10]            
Investments at fair value $ (23) [3],[4],[9]     $ (71) [5],[6],[10],[32]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.71% [3],[8],[11] 10.71% [3],[8],[11] 10.71% [3],[8],[11] 10.29% [5],[12],[21] 10.29% [5],[12],[21] 10.29% [5],[12],[21]        
Principal Amount, Par Value $ 35,000 [3],[8],[13]     $ 35,000 [5],[14],[21]            
Cost 34,710 [3],[8]     34,700 [5],[21]            
Investments at fair value $ 34,821 [3],[8]     $ 34,436 [5],[21]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[17] 6.00% [3],[17] 6.00% [3],[17] 6.00% [5],[18] 6.00% [5],[18] 6.00% [5],[18]        
Interest Rate 10.71% [3],[11],[17] 10.71% [3],[11],[17] 10.71% [3],[11],[17] 10.29% [5],[12],[18] 10.29% [5],[12],[18] 10.29% [5],[12],[18]        
Principal Amount, Par Value $ 24,189 [3],[13],[17]     $ 24,189 [5],[14],[18]            
Cost 23,988 [3],[17]     23,982 [5],[18]            
Investments at fair value $ 24,067 [3],[17]     23,800 [5],[18]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       $ 13,941            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4],[76] 5.50% [3],[4],[76] 5.50% [3],[4],[76] 7.00% [5],[6],[77] 7.00% [5],[6],[77] 7.00% [5],[6],[77]        
PIK [3],[4],[76] 2.00% 2.00% 2.00%              
Interest Rate 11.70% [3],[4],[11],[76] 11.70% [3],[4],[11],[76] 11.70% [3],[4],[11],[76] 10.95% [5],[6],[12],[77] 10.95% [5],[6],[12],[77] 10.95% [5],[6],[12],[77]        
Principal Amount, Par Value $ 15,889 £ 12,879 [3],[4],[13],[76]   $ 15,562 £ 12,879 [5],[6],[14],[77]          
Cost 17,641 [3],[4],[76]     17,634 [5],[6],[77]            
Investments at fair value $ 15,889 [3],[4],[76]     $ 15,562 [5],[6],[77]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4],[76] 5.50% [3],[4],[76] 5.50% [3],[4],[76] 7.00% [5],[6],[77] 7.00% [5],[6],[77] 7.00% [5],[6],[77]        
PIK [3],[4],[76] 2.00% 2.00% 2.00%              
Interest Rate 11.70% [3],[4],[11],[76] 11.70% [3],[4],[11],[76] 11.70% [3],[4],[11],[76] 10.95% [5],[6],[12],[77] 10.95% [5],[6],[12],[77] 10.95% [5],[6],[12],[77]        
Principal Amount, Par Value | £   £ 10,538 [3],[4],[13],[76]     £ 10,538 [5],[6],[14],[77]          
Cost $ 13,139 [3],[4],[76]     $ 13,133 [5],[6],[77]            
Investments at fair value 13,002 [3],[4],[76]     $ 12,734 [5],[6],[77]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2 and Tennessee Bidco Limited, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 13,768                  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 7.00% [5],[6] 7.00% [5],[6] 7.00% [5],[6]        
PIK [3],[4] 2.00% 2.00% 2.00%              
Interest Rate 12.09% [3],[4],[11] 12.09% [3],[4],[11] 12.09% [3],[4],[11] 10.38% [5],[6],[12] 10.38% [5],[6],[12] 10.38% [5],[6],[12]        
Principal Amount, Par Value $ 10,184 [3],[4],[13]     $ 10,184 [5],[6],[14]            
Cost 10,059 [3],[4]     10,055 [5],[6]            
Investments at fair value $ 10,184 [3],[4]     $ 10,184 [5],[6]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 7.00% [5],[6] 7.00% [5],[6] 7.00% [5],[6]        
PIK [3],[4] 2.00% 2.00% 2.00%              
Interest Rate 12.38% [3],[4],[11] 12.38% [3],[4],[11] 12.38% [3],[4],[11] 11.78% [5],[6],[12] 11.78% [5],[6],[12] 11.78% [5],[6],[12]        
Principal Amount, Par Value $ 6,246 [3],[4],[13]     $ 6,246 [5],[6],[14]            
Cost 6,165 [3],[4]     6,162 [5],[6]            
Investments at fair value $ 6,246 [3],[4]     $ 6,246 [5],[6]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4],[76] 5.50% [3],[4],[76] 5.50% [3],[4],[76] 7.00% [5],[6],[77] 7.00% [5],[6],[77] 7.00% [5],[6],[77]        
PIK [3],[4],[76] 2.00% 2.00% 2.00%              
Interest Rate 10.44% [3],[4],[11],[76] 10.44% [3],[4],[11],[76] 10.44% [3],[4],[11],[76] 7.63% [5],[6],[12],[77] 7.63% [5],[6],[12],[77] 7.63% [5],[6],[12],[77]        
Principal Amount, Par Value | €     € 708 [3],[4],[13],[76]     € 708 [5],[6],[14],[77]        
Cost $ 715 [3],[4],[76]     $ 714 [5],[6],[77]            
Investments at fair value $ 767 [3],[4],[76]     $ 757 [5],[6],[77]            
Investment, Identifier [Axis]: The Kleinfelder Group, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[15] 5.25% [3],[15] 5.25% [3],[15] 5.25% [5],[16] 5.25% [5],[16] 5.25% [5],[16]        
Interest Rate 10.41% [3],[11],[15] 10.41% [3],[11],[15] 10.41% [3],[11],[15] 9.98% [5],[12],[16] 9.98% [5],[12],[16] 9.98% [5],[12],[16]        
Principal Amount, Par Value $ 16,489 [3],[13],[15]     $ 16,533 [5],[14],[16]            
Cost 16,463 [3],[15]     16,503 [5],[16]            
Investments at fair value $ 16,488 [3],[15]     $ 16,241 [5],[16]            
Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.78% 8.78% 8.78% 8.35% 8.35% 8.35%        
Principal Amount, Par Value $ 4,089     $ 4,099            
Cost 4,072     4,082            
Investments at fair value $ 3,843     $ 3,853            
Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.78% 8.78% 8.78% 8.35% 8.35% 8.35%        
Principal Amount, Par Value $ 6,015     $ 6,030            
Cost 5,990     6,004            
Investments at fair value $ 5,654     $ 5,668            
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.45% 9.45% 9.45% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 5,988     $ 6,003            
Cost 5,963     5,978            
Investments at fair value $ 5,748     $ 5,800            
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.45% 9.45% 9.45% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 4,277     $ 4,288            
Cost 4,260     4,270            
Investments at fair value 4,106     4,143            
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 937     937            
Cost 0     0            
Investments at fair value (37)     (32)            
Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 669     669            
Cost 0     0            
Investments at fair value $ (27)     $ (23)            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.63% [3],[17],[19] 3.63% [3],[17],[19] 3.63% [3],[17],[19] 3.63% [5],[18],[20] 3.63% [5],[18],[20] 3.63% [5],[18],[20]        
PIK 3.63% [3],[17],[19] 3.63% [3],[17],[19] 3.63% [3],[17],[19] 3.63% [5],[18],[20] 3.63% [5],[18],[20] 3.63% [5],[18],[20]        
Interest Rate 12.08% [3],[11],[17],[19] 12.08% [3],[11],[17],[19] 12.08% [3],[11],[17],[19] 11.49% [5],[12],[18],[20] 11.49% [5],[12],[18],[20] 11.49% [5],[12],[18],[20]        
Principal Amount, Par Value $ 29,868 [3],[13],[17]     $ 29,868 [5],[14],[18]            
Cost 29,614 [3],[17]     29,604 [5],[18]            
Investments at fair value $ 29,722 [3],[17]     $ 29,151 [5],[18]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.63% [3],[8],[9],[19] 3.63% [3],[8],[9],[19] 3.63% [3],[8],[9],[19] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21]        
PIK 3.63% [3],[8],[9],[19] 3.63% [3],[8],[9],[19] 3.63% [3],[8],[9],[19] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21]        
Interest Rate 12.08% [3],[8],[9],[11],[19] 12.08% [3],[8],[9],[11],[19] 12.08% [3],[8],[9],[11],[19] 11.49% [5],[10],[12],[20],[21] 11.49% [5],[10],[12],[20],[21] 11.49% [5],[10],[12],[20],[21]        
Principal Amount, Par Value $ 556 [3],[8],[9],[13]     $ 277 [5],[10],[14],[21]            
Cost 556 [3],[8],[9]     277 [5],[10],[21]            
Investments at fair value 553 [3],[8],[9]     270 [5],[10],[21]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,683 [3],[8],[9],[13]     955 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value (8) [3],[8],[9]     (23) [5],[10],[21]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,267 [3],[4],[9],[13]     4,267 [5],[6],[10],[14]            
Cost (43) [3],[4],[9]     (43) [5],[6],[10]            
Investments at fair value (21) [3],[4],[9]     (102) [5],[6],[10]            
Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 85,727     85,948            
Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 93,539     $ 93,734            
Investment, Identifier [Axis]: Transcendia Holdings, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[17] 8.00% [3],[17] 8.00% [3],[17] 8.00% [5],[18] 8.00% [5],[18] 8.00% [5],[18]        
Interest Rate 12.84% [3],[11],[17] 12.84% [3],[11],[17] 12.84% [3],[11],[17] 12.38% [5],[12],[18] 12.38% [5],[12],[18] 12.38% [5],[12],[18]        
Principal Amount, Par Value $ 14,500 [3],[13],[17]     $ 14,500 [5],[14],[18]            
Cost 14,430 [3],[17]     14,423 [5],[18]            
Investments at fair value $ 12,515 [3],[17]     $ 12,418 [5],[18]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.18% [3],[8],[11] 10.18% [3],[8],[11] 10.18% [3],[8],[11] 10.18% [5],[12],[21] 10.18% [5],[12],[21] 10.18% [5],[12],[21]        
Principal Amount, Par Value $ 15,382 [3],[8],[13]     $ 15,382 [5],[14],[21]            
Cost 15,266 [3],[8]     15,260 [5],[21]            
Investments at fair value $ 15,257 [3],[8]     $ 15,257 [5],[21]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8],[9] 5.25% [3],[8],[9] 5.25% [3],[8],[9] 5.25% [5],[10],[21] 5.25% [5],[10],[21] 5.25% [5],[10],[21]        
Interest Rate 10.34% [3],[8],[9],[11] 10.34% [3],[8],[9],[11] 10.34% [3],[8],[9],[11] 9.40% [5],[10],[12],[21] 9.40% [5],[10],[12],[21] 9.40% [5],[10],[12],[21]        
Principal Amount, Par Value $ 2,889 [3],[8],[9],[13]     $ 2,889 [5],[10],[14],[21]            
Cost 2,865 [3],[8],[9]     2,863 [5],[10],[21]            
Investments at fair value 2,865 [3],[8],[9]     2,865 [5],[10],[21]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,501 [3],[4],[9],[13]     1,501 [5],[6],[10],[14]            
Cost (15) [3],[4],[9]     (15) [5],[6],[10]            
Investments at fair value (12) [3],[4],[9]     (12) [5],[6],[10]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,364 [3],[8],[9],[13]     2,364 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value $ (19) [3],[8],[9]     $ (19) [5],[10],[21]            
Investment, Identifier [Axis]: USI, Inc. (fka Compass Investors Inc.), First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.65% 8.65% 8.65% 8.33% 8.33% 8.33%        
Principal Amount, Par Value $ 5,473     $ 5,486            
Cost 5,367     5,377            
Investments at fair value $ 5,466     $ 5,441            
Investment, Identifier [Axis]: USIC Holdings, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 3,791     $ 3,801            
Cost 3,779     3,788            
Investments at fair value 3,684     3,638            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 893 [3],[4],[9],[13]     893 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value $ (26) [3],[4],[9]     $ (29) [5],[6],[10]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.55% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 11,282 [3],[8],[13]     $ 11,311 [5],[14],[21]            
Cost 11,195 [3],[8]     11,222 [5],[21]            
Investments at fair value $ 10,952 [3],[8]     $ 10,945 [5],[21]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.55% [3],[4],[11] 10.55% [3],[4],[11] 10.55% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 1,469 [3],[4],[13]     $ 1,473 [5],[6],[14]            
Cost 1,457 [3],[4]     1,460 [5],[6]            
Investments at fair value 1,426 [3],[4]     $ 1,425 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       5.50% 5.50% 5.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       10.76% 10.76% 10.76%        
Principal Amount, Par Value [5],[14],[21]       $ 22,367            
Cost [5],[21]       21,885            
Investments at fair value [5],[21]       $ 22,367            
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       5.50% 5.50% 5.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       10.76% 10.76% 10.76%        
Principal Amount, Par Value [5],[14],[21]       $ 3,949            
Cost [5],[21]       3,855            
Investments at fair value [5],[21]       3,949            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Junior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 34,393                  
Investments at fair value 0                  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,926 [3],[8]     1,926 [5],[21]            
Investments at fair value 0 [3],[8]     0 [5],[21]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 533 [3],[4]     533 [5],[6]            
Investments at fair value 0 [3],[4]     0 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 16,206 [3],[4],[78]     15,434 [5],[6],[79]            
Investments at fair value 12,064 [3],[4],[78]     11,626 [5],[6],[79]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 9,632 [3],[4],[78]     9,173 [5],[6],[79]            
Investments at fair value 7,981 [3],[4],[78]     7,670 [5],[6],[79]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 19,795 [3],[4],[24],[80]     19,795 [5],[6],[26],[81]            
Investments at fair value 10,145 [3],[4],[24],[80]     6,491 [5],[6],[26],[81]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 26,946 [3],[8],[24],[82]     26,946 [5],[21],[26],[83]            
Investments at fair value 0 [3],[8],[24],[82]     0 [5],[21],[26],[83]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 7,447 [3],[4],[24],[82]     7,447 [5],[6],[26],[83]            
Investments at fair value $ 0 [3],[4],[24],[82]     $ 0 [5],[6],[26],[83]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [5],[6],[20] 15.00% [5],[6],[20] 15.00% [5],[6],[20]        
Interest Rate 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 12,009 [3],[4],[13]     $ 11,575 [5],[6],[14]            
Cost 12,009 [3],[4]     11,574 [5],[6]            
Investments at fair value $ 10,864 [3],[4]     $ 10,384 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [5],[6],[20] 15.00% [5],[6],[20] 15.00% [5],[6],[20]        
Interest Rate 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 5,324 [3],[4],[13]     $ 5,131 [5],[6],[14]            
Cost 5,324 [3],[4]     5,131 [5],[6]            
Investments at fair value 4,816 [3],[4]     4,603 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Senior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value               $ 19,795    
Cost 19,795                  
Investments at fair value 10,145                  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 45,870 [3],[4]     $ 36,680 [5],[6]            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 25     $ 31            
Cost 25     31            
Investments at fair value $ 24     $ 30            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 6.16% 6.16% 6.16%        
Principal Amount, Par Value $ 247     $ 308            
Cost 245     306            
Investments at fair value $ 244     $ 293            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.34% 8.34% 8.34% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 2,722     $ 2,729            
Cost 2,722     2,729            
Investments at fair value $ 2,691     $ 2,647            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 8,663     $ 8,378            
Cost 8,637     8,350            
Investments at fair value $ 8,569     $ 8,154            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 3 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 8.59% 8.59% 8.59% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 866     $ 838            
Cost 864     835            
Investments at fair value 857     815            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 0     25            
Cost 0     0            
Investments at fair value 0     (1)            
Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4     251            
Cost 0     0            
Investments at fair value $ 0     $ (7)            
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8] 6.75% [3],[8] 6.75% [3],[8] 6.75% [5],[21] 6.75% [5],[21] 6.75% [5],[21]        
Interest Rate 11.59% [3],[8],[11] 11.59% [3],[8],[11] 11.59% [3],[8],[11] 11.13% [5],[12],[21] 11.13% [5],[12],[21] 11.13% [5],[12],[21]        
Principal Amount, Par Value $ 16,183 [3],[8],[13]     $ 16,183 [5],[14],[21]            
Cost 16,140 [3],[8]     16,137 [5],[21]            
Investments at fair value $ 15,568 [3],[8]     $ 15,711 [5],[21]            
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[15] 6.75% [3],[15] 6.75% [3],[15] 6.75% [5],[16] 6.75% [5],[16] 6.75% [5],[16]        
Interest Rate 11.59% [3],[11],[15] 11.59% [3],[11],[15] 11.59% [3],[11],[15] 11.13% [5],[12],[16] 11.13% [5],[12],[16] 11.13% [5],[12],[16]        
Principal Amount, Par Value $ 10,000 [3],[13],[15]     $ 10,000 [5],[14],[16]            
Cost 9,987 [3],[15]     9,987 [5],[16]            
Investments at fair value $ 9,620 [3],[15]     $ 9,708 [5],[16]            
Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 7.98% 7.98% 7.98% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 4,493     $ 4,504            
Cost 4,481     4,492            
Investments at fair value $ 3,737     $ 3,772            
Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 7.98% 7.98% 7.98% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,268     $ 3,276            
Cost 3,260     3,268            
Investments at fair value $ 2,718     $ 2,744            
Investment, Identifier [Axis]: Vectra Co., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[17] 7.25% [3],[17] 7.25% [3],[17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 12.09% [3],[11],[17] 12.09% [3],[11],[17] 12.09% [3],[11],[17] 11.63% [5],[12],[18] 11.63% [5],[12],[18] 11.63% [5],[12],[18]        
Principal Amount, Par Value $ 10,788 [3],[13],[17]     $ 10,788 [5],[14],[18]            
Cost 10,770 [3],[17]     10,769 [5],[18]            
Investments at fair value $ 7,647 [3],[17]     $ 7,004 [5],[18]            
Investment, Identifier [Axis]: Virtusa Corporation, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.17% 8.17% 8.17%        
Principal Amount, Par Value       $ 2,281            
Cost       2,260            
Investments at fair value       $ 2,208            
Investment, Identifier [Axis]: Virtusa Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.13% [4] 7.13% [4] 7.13% [4] 7.13% [6] 7.13% [6] 7.13% [6]        
Interest Rate 7.13% [4],[11] 7.13% [4],[11] 7.13% [4],[11] 7.13% [6],[12] 7.13% [6],[12] 7.13% [6],[12]        
Principal Amount, Par Value $ 5,000 [4],[13]     $ 5,000 [6],[14]            
Cost 3,858 [4]     3,824 [6]            
Investments at fair value $ 3,934 [4]     $ 3,817 [6]            
Investment, Identifier [Axis]: WP CityMD Bidco LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25% 3.25%        
Interest Rate       7.63% 7.63% 7.63%        
Principal Amount, Par Value       $ 4,148            
Cost       4,123            
Investments at fair value       $ 4,145            
Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.11% 10.11% 10.11% 9.57% 9.57% 9.57%        
Principal Amount, Par Value $ 5,277     $ 5,290            
Cost 4,953     4,957            
Investments at fair value $ 5,013     $ 5,075            
Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.11% 10.11% 10.11% 9.57% 9.57% 9.57%        
Principal Amount, Par Value $ 4,070     $ 4,081            
Cost 3,821     3,824            
Investments at fair value $ 3,867     $ 3,915            
Investment, Identifier [Axis]: Waystar Technologies, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 4,014     $ 4,025            
Cost 4,008     4,018            
Investments at fair value $ 4,003     $ 3,972            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8],[9] 6.25% [3],[8],[9] 6.25% [3],[8],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 10.92% [3],[8],[9],[11] 10.92% [3],[8],[9],[11] 10.92% [3],[8],[9],[11] 10.31% [5],[6],[10],[12] 10.31% [5],[6],[10],[12] 10.31% [5],[6],[10],[12]        
Principal Amount, Par Value $ 9,688 [3],[8],[9],[13]     $ 7,478 [5],[6],[10],[14]            
Cost 9,680 [3],[8],[9]     7,481 [5],[6],[10]            
Investments at fair value 9,688 [3],[8],[9]     7,430 [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,040 [3],[4],[9],[13]     2,040 [5],[6],[10],[14]            
Cost (6) [3],[4],[9]     (6) [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     (13) [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 6,114 [3],[8],[9],[13]     8,327 [5],[6],[10],[14]            
Cost (15) [3],[8],[9]     (21) [5],[6],[10]            
Investments at fair value $ 0 [3],[8],[9]     $ (53) [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.12% [3],[8],[11] 11.12% [3],[8],[11] 11.12% [3],[8],[11] 10.00% [5],[12],[21] 10.00% [5],[12],[21] 10.00% [5],[12],[21]        
Principal Amount, Par Value $ 18,901 [3],[8],[13]     $ 18,949 [5],[14],[21]            
Cost 18,851 [3],[8]     18,896 [5],[21]            
Investments at fair value $ 18,901 [3],[8]     $ 18,827 [5],[21]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.26% [3],[8],[11] 11.26% [3],[8],[11] 11.26% [3],[8],[11] 9.41% [5],[12],[21] 9.41% [5],[12],[21] 9.41% [5],[12],[21]        
Principal Amount, Par Value $ 1,250 [3],[8],[13]     $ 1,254 [5],[14],[21]            
Cost 1,240 [3],[8]     1,243 [5],[21]            
Investments at fair value $ 1,250 [3],[8]     $ 1,246 [5],[21]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.06% [3],[8],[11] 11.06% [3],[8],[11] 11.06% [3],[8],[11] 10.46% [5],[12],[21] 10.46% [5],[12],[21] 10.46% [5],[12],[21]        
Principal Amount, Par Value $ 839 [3],[8],[13]     $ 841 [5],[14],[21]            
Cost 832 [3],[8]     833 [5],[21]            
Investments at fair value $ 839 [3],[8]     $ 835 [5],[21]            
Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.73% 8.73% 8.73%        
Principal Amount, Par Value       $ 7,824            
Cost       7,809            
Investments at fair value       $ 7,565            
Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.16% 9.16% 9.16% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 9,444     $ 9,469            
Cost 9,400     9,421            
Investments at fair value $ 9,291     $ 9,155            
Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 1 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.16% 9.16% 9.16%              
Principal Amount, Par Value $ 7,803                  
Cost 7,790                  
Investments at fair value $ 7,677                  
Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 2 | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 9.54% 9.54% 9.54%              
Principal Amount, Par Value $ 5,500                  
Cost 5,390                  
Investments at fair value $ 5,473                  
Investment, Identifier [Axis]: Xactly Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[15] 7.25% [3],[15] 7.25% [3],[15] 7.25% [5],[16] 7.25% [5],[16] 7.25% [5],[16]        
Interest Rate 12.11% [3],[11],[15] 12.11% [3],[11],[15] 12.11% [3],[11],[15] 11.99% [5],[12],[16] 11.99% [5],[12],[16] 11.99% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 19,047 [5],[14],[16]            
Cost 22,462 [3],[15]     19,030 [5],[16]            
Investments at fair value 22,500 [3],[15]     $ 19,047 [5],[16]            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       7.25% 7.25% 7.25%        
Interest Rate [5],[6],[10],[12]       11.59% 11.59% 11.59%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 992            
Cost [5],[6],[10]       982            
Investments at fair value [5],[6],[10]       $ 992            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 992                  
Cost [3],[4],[9] (10)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: YI, LLC, First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 9,465     $ 9,490            
Cost 9,462     9,487            
Investments at fair value $ 9,149     $ 9,174            
Investment, Identifier [Axis]: YI, LLC, First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 8.84% 8.84% 8.84% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 21,924     $ 21,982            
Cost 21,917     21,975            
Investments at fair value $ 21,193     $ 21,251            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[9] 5.00% [3],[4],[9] 5.00% [3],[4],[9] 5.00% [5],[10],[36] 5.00% [5],[10],[36] 5.00% [5],[10],[36]        
Interest Rate 9.96% [3],[4],[9],[11] 9.96% [3],[4],[9],[11] 9.96% [3],[4],[9],[11] 9.90% [5],[10],[12],[36] 9.90% [5],[10],[12],[36] 9.90% [5],[10],[12],[36]        
Principal Amount, Par Value $ 794 [3],[4],[9],[13]     $ 495 [5],[10],[14],[36]            
Cost 800 [3],[4],[9]     506 [5],[10],[36]            
Investments at fair value 771 [3],[4],[9]     482 [5],[10],[36]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[36]       1,584            
Cost [5],[10],[36]       (16)            
Investments at fair value [5],[10],[36]       $ (41)            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[9],[13],[35] 1,283                  
Cost [3],[9],[35] (13)                  
Investments at fair value [3],[9],[35] (37)                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 3,968                  
Cost [3],[4],[9] (20)                  
Investments at fair value [3],[4],[9] $ (115)                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[35] 5.00% [3],[35] 5.00% [3],[35] 5.00% [5],[36] 5.00% [5],[36] 5.00% [5],[36]        
Interest Rate 9.74% [3],[11],[35] 9.74% [3],[11],[35] 9.74% [3],[11],[35] 9.93% [5],[12],[36] 9.93% [5],[12],[36] 9.93% [5],[12],[36]        
Principal Amount, Par Value $ 17,815 [3],[13],[35]     $ 17,861 [5],[14],[36]            
Cost 17,772 [3],[35]     17,815 [5],[36]            
Investments at fair value $ 17,297 [3],[35]     $ 17,393 [5],[36]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[35] 5.00% [3],[35] 5.00% [3],[35] 5.00% [5],[36] 5.00% [5],[36] 5.00% [5],[36]        
Interest Rate 9.80% [3],[11],[35] 9.80% [3],[11],[35] 9.80% [3],[11],[35] 9.93% [5],[12],[36] 9.93% [5],[12],[36] 9.93% [5],[12],[36]        
Principal Amount, Par Value $ 2,320 [3],[13],[35]     $ 2,326 [5],[14],[36]            
Cost 2,314 [3],[35]     2,319 [5],[36]            
Investments at fair value $ 2,253 [3],[35]     2,265 [5],[36]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien) - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       3,968            
Cost [5],[6],[10]       (20)            
Investments at fair value [5],[6],[10]       $ (104)            
Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest Rate 10.22% 10.22% 10.22%              
Principal Amount, Par Value $ 4,103                  
Cost 3,935                  
Investments at fair value $ 3,975                  
Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest Rate 10.22% 10.22% 10.22%              
Principal Amount, Par Value $ 3,165                  
Cost 3,037                  
Investments at fair value $ 3,067                  
Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 1 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest Rate 9.54% 9.54% 9.54% 8.62% 8.62% 8.62%        
Principal Amount, Par Value $ 9,899     $ 9,950            
Cost 9,732     9,773            
Investments at fair value $ 9,901     $ 9,791            
Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 2 | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest Rate 9.54% 9.54% 9.54% 8.64% 8.64% 8.64%        
Principal Amount, Par Value $ 2,175     $ 2,187            
Cost 2,140     2,149            
Investments at fair value $ 2,185     $ 2,152            
Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.26% 8.26% 8.26% 7.82% 7.82% 7.82%        
Principal Amount, Par Value $ 6,895     $ 6,912            
Cost 6,636     6,644            
Investments at fair value $ 6,429     $ 6,258            
Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.26% 8.26% 8.26% 7.82% 7.82% 7.82%        
Principal Amount, Par Value $ 2,391     $ 2,397            
Cost 2,381     2,387            
Investments at fair value 2,230     2,171            
Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 847     847            
Cost (44)     (44)            
Investments at fair value (57)     (80)            
Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 294     294            
Cost 0     0            
Investments at fair value $ (20)     $ (28)            
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded | SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 7,252     $ 7,271            
Cost 7,230     7,247            
Investments at fair value $ 6,841     $ 6,459            
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded | SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.34% 9.34% 9.34% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 4,373     $ 4,384            
Cost 4,347     4,357            
Investments at fair value 4,125     3,895            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 11,310 [3],[9],[13],[17]     11,763 [5],[10],[14],[18]            
Cost 0 [3],[9],[17]     0 [5],[10],[18]            
Investments at fair value 0 [3],[9],[17]     0 [5],[10],[18]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,218 [3],[4],[9],[13]     4,218 [5],[6],[10],[14]            
Cost (37) [3],[4],[9]     (37) [5],[6],[10]            
Investments at fair value $ (23) [3],[4],[9]     $ (37) [5],[6],[10]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.88% [3],[17],[19] 3.88% [3],[17],[19] 3.88% [3],[17],[19] 3.38% [5],[18],[20] 3.38% [5],[18],[20] 3.38% [5],[18],[20]        
PIK 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.88% [5],[18],[20] 3.88% [5],[18],[20] 3.88% [5],[18],[20]        
Interest Rate 12.05% [3],[11],[17],[19] 12.05% [3],[11],[17],[19] 12.05% [3],[11],[17],[19] 11.52% [5],[12],[18],[20] 11.52% [5],[12],[18],[20] 11.52% [5],[12],[18],[20]        
Principal Amount, Par Value $ 44,740 [3],[13],[17]     $ 44,287 [5],[14],[18]            
Cost 44,382 [3],[17]     43,917 [5],[18]            
Investments at fair value $ 44,498 [3],[17]     $ 43,901 [5],[18]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [5],[21] 7.25% [5],[21] 7.25% [5],[21]        
Interest Rate 12.05% [3],[8],[11] 12.05% [3],[8],[11] 12.05% [3],[8],[11] 11.52% [5],[12],[21] 11.52% [5],[12],[21] 11.52% [5],[12],[21]        
Principal Amount, Par Value $ 7,366 [3],[8],[13]     $ 7,366 [5],[14],[21]            
Cost 7,305 [3],[8]     7,303 [5],[21]            
Investments at fair value $ 7,365 [3],[8]     $ 7,311 [5],[21]            
[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 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.
[4] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[5] 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.
[6] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[7] The Company holds ordinary shares in AAC Lender Holdings, LLC and a first lien term loan, first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[8] 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. ("NMF Holdings") 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.
[9] 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.
[10] 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.
[11] All interest is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest at a rate that may be determined by reference to the London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR), Euro Interbank Offered Rate (EURIBOR) and the alternative base rate (Base) and which resets daily (D), weekly (W), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current interest rate provided reflects the rate in effect as of March 31, 2023.
[12] All interest is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest at a rate that may be determined by reference to the London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR), Euro Interbank Offered Rate (EURIBOR) and the alternative base rate (Base) and which resets daily (D), weekly (W), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current interest rate provided reflects the rate in effect as of December 31, 2022.
[13] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[14] Par amount is denominated in United States Dollar unless otherwise noted, British Pound ("£") and/or Euro ("€").
[15] Investment is held in New Mountain Finance SBIC, L.P.
[16] Investment is held in New Mountain Finance SBIC, L.P.
[17] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C. as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[18] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[19] All or a portion of interest contains PIK interest. See Note 2. Summary of Significant Accounting Policies-Revenue Recognition, for details.
[20] All or a portion of interest contains PIK interest.
[21] 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. ("NMF Holdings") 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.
[22] 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, a first lien delayed draw and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The preferred equity in ACI Parent Inc. is entitled to receive cumulative preferential dividends at a rate of 11.75% per annum.
[23] 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, a first lien delayed draw and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The preferred equity in ACI Parent Inc. is entitled to receive cumulative preferential dividends at a rate of 11.75% per annum
[24] Investment or a portion of the investment is on non-accrual status. See Note 3. Investments, for details.
[25] The Company holds ordinary shares in AAC Lender Holdings, LLC and a first lien term loan, first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[26] Investment or a portion of the investment is on non-accrual status. See Note 3. Investments, for details.
[27] Investment is held in NMF Ancora Holdings, Inc.
[28] Investment is held in NMF Ancora Holdings, Inc.
[29] The Company holds investments in two wholly-owned subsidiaries of Appriss Health Holdings, Inc. The company holds a first lien term loan and a first lien revolver in Appriss Health, LLC, and preferred equity in Appriss Health Intermediate Holdings, Inc. The preferred equity is entitled to receive preferential dividends at a rate of 11.0% per annum.
[30] The Company holds investments in two wholly-owned subsidiaries of Appriss Health Holdings, Inc. The company holds a first lien term loan and a first lien revolver in Appriss Health, LLC, and preferred equity in Appriss Health Intermediate Holdings, Inc. The preferred equity is entitled to receive preferential dividends at a rate of 11.00% per annum.
[31] 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 March 31, 2023, 15.3% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[32] 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, 2022, 15.3% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[33] The Company holds preferred equity in Bach Special Limited (Bach Preference Limited) that is entitled to receive cumulative preferential dividends at a rate of 12.25% per annum payable in additional shares.
[34] The Company holds preferred equity in Bach Special Limited (Bach Preference Limited) that is entitled to receive cumulative preferential dividends at a rate of 12.25% per annum payable in additional shares.
[35] Investment is held in New Mountain Finance SBIC II, L.P.
[36] Investment is held in New Mountain Finance SBIC II, L.P.
[37] The Company holds preferred equity in Dealer Tire Holdings, LLC that is entitled to receive cumulative preferential dividends at a rate of 7.0% per annum.
[38] The Company holds preferred equity in Dealer Tire Holdings, LLC that is entitled to receive cumulative preferential dividends at a rate of 7.00% per annum.
[39] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.5% per annum.
[40] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.50% per annum.
[41] The Company holds ordinary shares in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. The ordinary shares are entitled to receive cumulative preferential dividends at a rate of 12.0% per annum.
[42] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and two first lien delayed draws in FS WhiteWater Borrwer, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[43] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and two first lien delayed draws in FS WhiteWater Borrwer, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[44] Investment is held in NMF HB, Inc.
[45] The Company holds preferred equity in HB Wealth Management, LLC that is entitled to receive cumulative preferential dividends at a rate of 4.0% per annum.
[46] Investment is held in NMF HB, Inc
[47] The Company holds preferred equity in HB Wealth Management, LLC that is entitled to receive cumulative preferential dividends at a rate of 4.00% per annum.
[48] Investment is held in NMF TRM, LLC.
[49] Investment is held in NMF TRM, LLC.
[50] Investment is held in NMF QID NGL Holdings, Inc.
[51] Investment is held in NMF QID NGL Holdings, Inc.
[52] The Company holds investments in multiple entities of Haven Midstream Holdings LLC. The Company holds 4.6% of the Class B profits interest in QID NGL, LLC (which at closing represented 97.0% of the ownership in the class B units in QID TRH Holdings, LLC), class A common units of Haven Midstream Holdings LLC, and holds a tranche A first lien term loan, a tranche B first lien term loan and a first lien revolver in Haven Midstream LLC.
[53] The Company holds investments in multiple entities of Haven Midstream Holdings LLC. The Company holds 4.6% of the Class B profits interest in QID NGL, LLC (which at closing represented 97% of the ownership in the class B units in QID TRH Holdings, LLC), class A common units of Haven Midstream Holdings LLC., and holds a first lien revolver in Haven Midstream Holdings LLC.
[54] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc. The preferred equity is entitled to received cumulative preferential dividends at a rate of 11.75% per annum.
[55] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc. The preferred equity is entitled to received cumulative preferential dividends at a rate of 11.75% per annum
[56] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp.
[57] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as Tranche A Term Loan and Tranche B Term Loan in National HME, Inc., a whollyowned subsidiary of NHME Holdings Corp.
[58] Investment is held in New Mountain Net Lease Corporation.
[59] Investment is held in New Mountain Net Lease Corporation.
[60] The Company holds ordinary shares in OA Topco, L.P., and a first lien term loan and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidary of OA Topco, L.P.
[61] The Company holds ordinary shares in OA Topco, L.P., and a first lien term loan and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[62] Investment is held in NMF OEC, Inc.
[63] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive prefenential dividends of 11.0% per annum.
[64] Investment is held in NMF OEC, Inc.
[65] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive prefenential dividends of 11.00% per annum.
[66] 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 $16,539 as of March 31, 2023. See Note 2. Summary of Significant Accounting Policies, for details.
[67] 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 $16,539 as of December 31, 2022. See Note 2. Summary of Significant Accounting Policies, for details.
[68] Investment is held in NMF Permian Holdings, LLC.
[69] Investment is held in NMF Permian Holdings, LLC
[70] The Company holds ordinary shares in Pioneer Topco I, L.P., and a first lien term loan and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[71] The Company holds ordinary shares in Pioneer Topco I, L.P., and a first lien term loan and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[72] Investment is held in NMF Pioneer, Inc.
[73] Investment is held in NMF Pioneer, Inc
[74] The Company holds preferred equity in Project Essential Super Parent, Inc. that is entitled to receive cumulative preferential dividends at a rate of L + 9.5% per annum.
[75] The Company holds preferred equity in Project Essential Super Parent, LLC that is entitled to receive cumulative preferential dividends at a rate of L + 9.50% per annum.
[76] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of March 31, 2023, the par value U.S. dollar equivalent of the first lien term loan, and drawn first lien term loan is $15,889, and $13,768, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[77] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2022, the par value U.S. dollar equivalent of the first lien term loan and drawn first lien term loan is $15,562 and $13,941, respectively. See Note 2. Summary of Significant Accounting Policies, for details
[78] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to received cumulative preferential dividends at a rate of 20.0% per annum payable in additional shares.
[79] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to received cumulative preferential dividends at a rate of 20.0% per annum payable in additional shares.
[80] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 19.0% per annum payable in additional shares.
[81] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 19.0% per annum payable in additional shares.
[82] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 13.5% per annum payable in additional shares.
[83] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 13.5% per annum payable in additional shares.