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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, 2025
USD ($)
Mar. 31, 2025
EUR (€)
Mar. 31, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Dec. 31, 2024
GBP (£)
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost $ 3,092,943     $ 3,101,924            
Fair Value $ 3,034,211     3,091,024            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[4] 6.25% 6.25% 6.25%              
Interest rate [1],[2],[3],[4],[5] 10.55% 10.55% 10.55%              
Principal Amount or Par Value [1],[2],[3],[4],[6] $ 4,698                  
Cost [1],[2],[3],[4] 4,657                  
Fair Value [1],[2],[3],[4] 4,698                  
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [2],[3]     0 [7],[8]            
Fair Value 0 [2],[3]     0 [7],[8]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,659 [2],[3],[6],[9]     3,659 [7],[8],[10],[11]            
Cost (37) [2],[3],[9]     (37) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.67% [2],[5],[12],[13] 9.67% [2],[5],[12],[13] 9.67% [2],[5],[12],[13] 9.71% [7],[14],[15],[16] 9.71% [7],[14],[15],[16] 9.71% [7],[14],[15],[16]        
Principal Amount or Par Value $ 22,675 [2],[6],[12],[13]     $ 22,733 [7],[10],[14],[15]            
Cost 22,537 [2],[12],[13]     22,583 [7],[14],[15]            
Fair Value $ 22,675 [2],[12],[13]     $ 22,734 [7],[14],[15]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.67% [1],[2],[3],[5] 9.67% [1],[2],[3],[5] 9.67% [1],[2],[3],[5] 9.71% [7],[8],[16],[17] 9.71% [7],[8],[16],[17] 9.71% [7],[8],[16],[17]        
Principal Amount or Par Value $ 20,165 [1],[2],[3],[6]     $ 20,218 [7],[8],[10],[17]            
Cost 20,061 [1],[2],[3]     20,104 [7],[8],[17]            
Fair Value $ 20,165 [1],[2],[3]     $ 20,218 [7],[8],[17]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[18] 5.25% [2],[18] 5.25% [2],[18] 5.25% [7],[19] 5.25% [7],[19] 5.25% [7],[19]        
Interest rate 9.67% [2],[5],[18] 9.67% [2],[5],[18] 9.67% [2],[5],[18] 9.71% [7],[16],[19] 9.71% [7],[16],[19] 9.71% [7],[16],[19]        
Principal Amount or Par Value $ 9,575 [2],[6],[18]     $ 9,599 [7],[10],[19]            
Cost 9,524 [2],[18]     9,545 [7],[19]            
Fair Value $ 9,575 [2],[18]     $ 9,599 [7],[19]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[18] 5.25% [2],[18] 5.25% [2],[18] 5.25% [7],[19] 5.25% [7],[19] 5.25% [7],[19]        
Interest rate 9.67% [2],[5],[18] 9.67% [2],[5],[18] 9.67% [2],[5],[18] 9.71% [7],[16],[19] 9.71% [7],[16],[19] 9.71% [7],[16],[19]        
Principal Amount or Par Value $ 7,357 [2],[6],[18]     $ 7,375 [7],[10],[19]            
Cost 7,312 [2],[18]     7,327 [7],[19]            
Fair Value $ 7,357 [2],[18]     $ 7,375 [7],[19]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [1],[2],[3],[20] 11.50% [1],[2],[3],[20] 11.50% [1],[2],[3],[20] 11.50% [7],[8],[17],[21] 11.50% [7],[8],[17],[21] 11.50% [7],[8],[17],[21]        
Interest rate 11.50% [1],[2],[3],[5] 11.50% [1],[2],[3],[5] 11.50% [1],[2],[3],[5] 11.50% [7],[8],[16],[17] 11.50% [7],[8],[16],[17] 11.50% [7],[8],[16],[17]        
Principal Amount or Par Value $ 16,185 [1],[2],[3],[6]     $ 15,733 [7],[8],[10],[17]            
Cost 16,053 [1],[2],[3]     15,598 [7],[8],[17]            
Fair Value $ 15,916 [1],[2],[3]     $ 15,366 [7],[8],[17]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [2],[18],[20] 11.50% [2],[18],[20] 11.50% [2],[18],[20] 11.50% [7],[19],[21] 11.50% [7],[19],[21] 11.50% [7],[19],[21]        
Interest rate 11.50% [2],[5],[18] 11.50% [2],[5],[18] 11.50% [2],[5],[18] 11.50% [7],[16],[19] 11.50% [7],[16],[19] 11.50% [7],[16],[19]        
Principal Amount or Par Value $ 6,347 [2],[6],[18]     $ 6,170 [7],[10],[19]            
Cost 6,296 [2],[18]     6,117 [7],[19]            
Fair Value $ 6,242 [2],[18]     $ 6,027 [7],[19]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[8],[11] 5.50% [7],[8],[11] 5.50% [7],[8],[11]        
Interest rate 9.92% [2],[3],[5],[9] 9.92% [2],[3],[5],[9] 9.92% [2],[3],[5],[9] 9.96% [7],[8],[11],[16] 9.96% [7],[8],[11],[16] 9.96% [7],[8],[11],[16]        
Principal Amount or Par Value $ 282 [2],[3],[6],[9]     $ 235 [7],[8],[10],[11]            
Cost 280 [2],[3],[9]     233 [7],[8],[11]            
Fair Value 272 [2],[3],[9]     228 [7],[8],[11]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,071 [2],[3],[6],[9],[22]     2,118 [7],[8],[10],[11],[16],[23]            
Cost (21) [2],[3],[9],[22]     (21) [7],[8],[11],[23]            
Fair Value $ (74) [2],[3],[9],[22]     $ (62) [7],[8],[11],[23]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [2],[12],[13],[20] 2.75% [2],[12],[13],[20] 2.75% [2],[12],[13],[20] 2.75% [7],[14],[15],[21] 2.75% [7],[14],[15],[21] 2.75% [7],[14],[15],[21]        
PIK 3.25% [2],[12],[13],[20] 3.25% [2],[12],[13],[20] 3.25% [2],[12],[13],[20] 3.25% [7],[14],[15],[21] 3.25% [7],[14],[15],[21] 3.25% [7],[14],[15],[21]        
Interest rate 10.42% [2],[5],[12],[13] 10.42% [2],[5],[12],[13] 10.42% [2],[5],[12],[13] 10.46% [7],[14],[15],[16] 10.46% [7],[14],[15],[16] 10.46% [7],[14],[15],[16]        
Principal Amount or Par Value $ 22,089 [2],[6],[12],[13]     $ 21,910 [7],[10],[14],[15]            
Cost 21,968 [2],[12],[13]     21,782 [7],[14],[15]            
Fair Value $ 21,300 [2],[12],[13]     $ 21,266 [7],[14],[15]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [1],[2],[3],[20] 2.75% [1],[2],[3],[20] 2.75% [1],[2],[3],[20] 2.75% [7],[8],[17],[21] 2.75% [7],[8],[17],[21] 2.75% [7],[8],[17],[21]        
PIK 3.25% [1],[2],[3],[20] 3.25% [1],[2],[3],[20] 3.25% [1],[2],[3],[20] 3.25% [7],[8],[17],[21] 3.25% [7],[8],[17],[21] 3.25% [7],[8],[17],[21]        
Interest rate 10.42% [1],[2],[3],[5] 10.42% [1],[2],[3],[5] 10.42% [1],[2],[3],[5] 10.46% [7],[8],[16],[17] 10.46% [7],[8],[16],[17] 10.46% [7],[8],[16],[17]        
Principal Amount or Par Value $ 4,240 [1],[2],[3],[6]     $ 4,206 [7],[8],[10],[17]            
Cost 4,206 [1],[2],[3]     4,170 [7],[8],[17]            
Fair Value $ 4,089 [1],[2],[3]     $ 4,082 [7],[8],[17]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [1],[2],[3],[20] 2.75% [1],[2],[3],[20] 2.75% [1],[2],[3],[20] 2.75% [7],[8],[17],[21] 2.75% [7],[8],[17],[21] 2.75% [7],[8],[17],[21]        
PIK 3.25% [1],[2],[3],[20] 3.25% [1],[2],[3],[20] 3.25% [1],[2],[3],[20] 3.25% [7],[8],[17],[21] 3.25% [7],[8],[17],[21] 3.25% [7],[8],[17],[21]        
Interest rate 10.42% [1],[2],[3],[5] 10.42% [1],[2],[3],[5] 10.42% [1],[2],[3],[5] 10.46% [7],[8],[16],[17] 10.46% [7],[8],[16],[17] 10.46% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,915 [1],[2],[3],[6]     $ 3,884 [7],[8],[10],[17]            
Cost 3,890 [1],[2],[3]     3,858 [7],[8],[17]            
Fair Value $ 3,776 [1],[2],[3]     $ 3,769 [7],[8],[17]            
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.75% [2],[3],[20],[22] 11.75% [2],[3],[20],[22] 11.75% [2],[3],[20],[22] 11.75% [7],[8],[21],[23] 11.75% [7],[8],[21],[23] 11.75% [7],[8],[21],[23]        
Interest rate 11.75% [2],[3],[5],[22] 11.75% [2],[3],[5],[22] 11.75% [2],[3],[5],[22] 11.75% [7],[8],[16],[23] 11.75% [7],[8],[16],[23] 11.75% [7],[8],[16],[23]        
Cost $ 18,982 [2],[3],[22]     $ 18,444 [7],[8],[23]            
Fair Value $ 16,872 [2],[3],[22]     $ 16,419 [7],[8],[23]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [7],[8],[17] 4.75% [7],[8],[17] 4.75% [7],[8],[17]        
Interest rate 9.03% [1],[2],[3],[5] 9.03% [1],[2],[3],[5] 9.03% [1],[2],[3],[5] 9.03% [7],[8],[16],[17] 9.03% [7],[8],[16],[17] 9.03% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,062 [1],[2],[3],[6]     $ 3,062 [7],[8],[10],[17]            
Cost 3,049 [1],[2],[3]     3,048 [7],[8],[17]            
Fair Value 3,062 [1],[2],[3]     3,062 [7],[8],[17]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,077 [2],[3],[6],[9]     3,077 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17],[24]       6.25% 6.25% 6.25%        
Interest rate [7],[8],[16],[17],[24]       10.58% 10.58% 10.58%        
Principal Amount or Par Value [7],[8],[10],[17],[24]       $ 4,698            
Cost [7],[8],[17],[24]       4,656            
Fair Value [7],[8],[17],[24]       4,698            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,048            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,048                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 667 [2],[3],[6],[9]     667 [7],[8],[10],[11]            
Cost (7) [2],[3],[9]     (7) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [1],[2],[3] 6.75% [1],[2],[3] 6.75% [1],[2],[3] 6.75% [7],[8],[17] 6.75% [7],[8],[17] 6.75% [7],[8],[17]        
Interest rate 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.30% [7],[8],[16],[17] 11.30% [7],[8],[16],[17] 11.30% [7],[8],[16],[17]        
Principal Amount or Par Value $ 8,478 [1],[2],[3],[6]     $ 8,510 [7],[8],[10],[17]            
Cost 8,378 [1],[2],[3]     8,406 [7],[8],[17]            
Fair Value 8,372 [1],[2],[3]     8,404 [7],[8],[17]            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,348 [2],[13]     1,348 [7],[15]            
Fair Value 1,291 [2],[13]     1,348 [7],[15]            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,300 [2],[3]     1,300 [7],[8]            
Fair Value 1,245 [2],[3]     1,300 [7],[8]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,969            
Cost [7],[8],[11]       (10)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,969                  
Cost [2],[3],[9] (10)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.72% [1],[2],[3],[5] 9.72% [1],[2],[3],[5] 9.72% [1],[2],[3],[5] 9.75% [7],[14],[15],[16] 9.75% [7],[14],[15],[16] 9.75% [7],[14],[15],[16]        
Principal Amount or Par Value $ 18,915 [1],[2],[3],[6]     $ 18,964 [7],[10],[14],[15]            
Cost 18,863 [1],[2],[3]     18,908 [7],[14],[15]            
Fair Value $ 18,915 [1],[2],[3]     $ 18,964 [7],[14],[15]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.72% [2],[5],[12],[13] 9.72% [2],[5],[12],[13] 9.72% [2],[5],[12],[13] 9.75% [7],[14],[15],[16] 9.75% [7],[14],[15],[16] 9.75% [7],[14],[15],[16]        
Principal Amount or Par Value $ 5,264 [2],[6],[12],[13]     $ 5,277 [7],[10],[14],[15]            
Cost 5,247 [2],[12],[13]     5,259 [7],[14],[15]            
Fair Value $ 5,264 [2],[12],[13]     $ 5,277 [7],[14],[15]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.72% [1],[2],[3],[5] 9.72% [1],[2],[3],[5] 9.72% [1],[2],[3],[5] 9.75% [7],[8],[16],[17] 9.75% [7],[8],[16],[17] 9.75% [7],[8],[16],[17]        
Principal Amount or Par Value $ 691 [1],[2],[3],[6]     $ 693 [7],[8],[10],[17]            
Cost 689 [1],[2],[3]     690 [7],[8],[17]            
Fair Value 691 [1],[2],[3]     693 [7],[8],[17]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 31,406                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11],[25]       2,652            
Cost [7],[8],[11],[25]       0            
Fair Value [7],[8],[11],[25]       $ 0            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 2,652                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.50% [2],[13],[20],[26] 0.50% [2],[13],[20],[26] 0.50% [2],[13],[20],[26] 0.50% [7],[15],[21] 0.50% [7],[15],[21] 0.50% [7],[15],[21]        
PIK 6.75% [2],[13],[20],[26] 6.75% [2],[13],[20],[26] 6.75% [2],[13],[20],[26] 6.75% [7],[15],[21] 6.75% [7],[15],[21] 6.75% [7],[15],[21]        
Interest rate 11.67% [2],[5],[13],[26] 11.67% [2],[5],[13],[26] 11.67% [2],[5],[13],[26] 11.90% [7],[15],[16] 11.90% [7],[15],[16] 11.90% [7],[15],[16]        
Principal Amount or Par Value $ 29,879 [2],[6],[13],[26]     $ 29,879 [7],[10],[15]            
Cost 29,842 [2],[13],[26]     29,843 [7],[15]            
Fair Value $ 17,999 [2],[13],[26]     $ 17,999 [7],[15]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.50% [2],[3],[20],[26] 0.50% [2],[3],[20],[26] 0.50% [2],[3],[20],[26] 0.50% [7],[8],[21] 0.50% [7],[8],[21] 0.50% [7],[8],[21]        
PIK 14.50% [2],[3],[20],[26] 14.50% [2],[3],[20],[26] 14.50% [2],[3],[20],[26] 14.50% [7],[8],[21] 14.50% [7],[8],[21] 14.50% [7],[8],[21]        
Interest rate 19.42% [2],[3],[5],[26] 19.42% [2],[3],[5],[26] 19.42% [2],[3],[5],[26] 19.65% [7],[8],[16] 19.65% [7],[8],[16] 19.65% [7],[8],[16]        
Principal Amount or Par Value $ 1,527 [2],[3],[6],[26]     $ 1,527 [7],[8],[10]            
Cost 1,527 [2],[3],[26]     1,527 [7],[8]            
Fair Value 0 [2],[3],[26]     $ 0 [7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value             $ 17,927 $ 13,479    
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 31,369                  
Fair Value $ 17,999                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 1.00% [2],[3],[20],[26] 1.00% [2],[3],[20],[26] 1.00% [2],[3],[20],[26] 1.00% [7],[8],[21] 1.00% [7],[8],[21] 1.00% [7],[8],[21]        
Interest rate 5.46% [2],[3],[5],[26] 5.46% [2],[3],[5],[26] 5.46% [2],[3],[5],[26] 5.74% [7],[8],[16] 5.74% [7],[8],[16] 5.74% [7],[8],[16]        
Principal Amount or Par Value $ 5,230 [2],[3],[6],[26]     $ 5,230 [7],[8],[10]            
Cost 0 [2],[3],[26]     0 [7],[8]            
Fair Value $ 0 [2],[3],[26]     $ 0 [7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value                 $ 5,230  
Investment, Identifier [Axis]: Anaplan, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17]        
Principal Amount or Par Value $ 10,592 [1],[2],[3],[6]     $ 10,618 [7],[8],[10],[17]            
Cost 10,525 [1],[2],[3]     10,548 [7],[8],[17]            
Fair Value 10,592 [1],[2],[3]     10,618 [7],[8],[17]            
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 83 [2],[27]     83 [7],[28]            
Fair Value $ 0 [2],[27]     $ 0 [7],[28]            
Investment, Identifier [Axis]: Associations, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [7],[8],[17] 6.50% [7],[8],[17] 6.50% [7],[8],[17]        
Interest rate 11.06% [1],[2],[3],[5] 11.06% [1],[2],[3],[5] 11.06% [1],[2],[3],[5] 11.32% [7],[8],[16],[17] 11.32% [7],[8],[16],[17] 11.32% [7],[8],[16],[17]        
Principal Amount or Par Value $ 49,306 [1],[2],[3],[6]     $ 49,430 [7],[8],[10],[17]            
Cost 49,285 [1],[2],[3]     49,409 [7],[8],[17]            
Fair Value $ 49,799 [1],[2],[3]     $ 49,430 [7],[8],[17]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [2],[3],[9] 6.50% [2],[3],[9] 6.50% [2],[3],[9] 6.50% [7],[8],[11] 6.50% [7],[8],[11] 6.50% [7],[8],[11]        
Interest rate 11.06% [2],[3],[5],[9] 11.06% [2],[3],[5],[9] 11.06% [2],[3],[5],[9] 11.32% [7],[8],[11],[16] 11.32% [7],[8],[11],[16] 11.32% [7],[8],[11],[16]        
Principal Amount or Par Value $ 953 [2],[3],[6],[9]     $ 641 [7],[8],[10],[11]            
Cost 954 [2],[3],[9]     641 [7],[8],[11]            
Fair Value $ 962 [2],[3],[9]     641 [7],[8],[11]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       3,200            
Cost [7],[8],[11]       (2)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [2],[3],[9] 6.50% [2],[3],[9] 6.50% [2],[3],[9] 6.50% [7],[8],[11] 6.50% [7],[8],[11] 6.50% [7],[8],[11]        
Interest rate 11.07% [2],[3],[5],[9] 11.07% [2],[3],[5],[9] 11.07% [2],[3],[5],[9] 11.28% [7],[8],[11],[16] 11.28% [7],[8],[11],[16] 11.28% [7],[8],[11],[16]        
Principal Amount or Par Value $ 2,277 [2],[3],[6],[9]     $ 1,539 [7],[8],[10],[11]            
Cost 2,276 [2],[3],[9]     1,538 [7],[8],[11]            
Fair Value 2,277 [2],[3],[9]     1,539 [7],[8],[11]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,884 [2],[3],[6]     1,539 [7],[8],[10],[11]            
Cost (1) [2],[3]     (1) [7],[8],[11]            
Fair Value 29 [2],[3]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6] 800                  
Cost [2],[3] 0                  
Fair Value [2],[3] $ 0                  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 14.25% [2],[3],[20] 14.25% [2],[3],[20] 14.25% [2],[3],[20] 14.25% [7],[8],[21] 14.25% [7],[8],[21] 14.25% [7],[8],[21]        
Interest rate 14.25% [2],[3],[5] 14.25% [2],[3],[5] 14.25% [2],[3],[5] 14.25% [7],[8],[16] 14.25% [7],[8],[16] 14.25% [7],[8],[16]        
Principal Amount or Par Value $ 8,243 [2],[3],[6]     $ 7,959 [7],[8],[10]            
Cost 8,226 [2],[3]     7,942 [7],[8]            
Fair Value $ 8,366 [2],[3]     $ 7,959 [7],[8]            
Investment, Identifier [Axis]: Associations, Inc., Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 14.25% [2],[3],[20] 14.25% [2],[3],[20] 14.25% [2],[3],[20] 14.25% [7],[8],[21] 14.25% [7],[8],[21] 14.25% [7],[8],[21]        
Interest rate 14.25% [2],[3],[5] 14.25% [2],[3],[5] 14.25% [2],[3],[5] 14.25% [7],[8],[16] 14.25% [7],[8],[16] 14.25% [7],[8],[16]        
Principal Amount or Par Value $ 3,148 [2],[3],[6]     $ 3,039 [7],[8],[10]            
Cost 3,141 [2],[3]     3,033 [7],[8]            
Fair Value $ 3,195 [2],[3]     $ 3,039 [7],[8]            
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [1],[2],[3] 8.25% [1],[2],[3] 8.25% [1],[2],[3] 8.25% [7],[8],[17],[24] 8.25% [7],[8],[17],[24] 8.25% [7],[8],[17],[24]        
Interest rate 12.69% [1],[2],[3],[5] 12.69% [1],[2],[3],[5] 12.69% [1],[2],[3],[5] 12.72% [7],[8],[16],[17],[24] 12.72% [7],[8],[16],[17],[24] 12.72% [7],[8],[16],[17],[24]        
Principal Amount or Par Value $ 34,459 [1],[2],[3],[6]     $ 34,459 [7],[8],[10],[17],[24]            
Cost 34,345 [1],[2],[3]     34,335 [7],[8],[17],[24]            
Fair Value 34,459 [1],[2],[3]     34,459 [7],[8],[17],[24]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11],[16],[24]       320            
Cost [7],[8],[11],[24]       (5)            
Fair Value [7],[8],[11],[24]       $ 0            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[4],[6],[9] 320                  
Cost [2],[3],[4],[9] (5)                  
Fair Value [2],[3],[4],[9] $ 0                  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.63% [7],[8],[16],[17] 9.63% [7],[8],[16],[17] 9.63% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,437 [1],[2],[3],[6]     $ 3,445 [7],[8],[10],[17]            
Cost 3,398 [1],[2],[3]     3,405 [7],[8],[17]            
Fair Value $ 3,437 [1],[2],[3]     $ 3,445 [7],[8],[17]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.63% [7],[8],[16],[17] 9.63% [7],[8],[16],[17] 9.63% [7],[8],[16],[17]        
Principal Amount or Par Value $ 1,338 [1],[2],[3],[6]     $ 1,342 [7],[8],[10],[17]            
Cost 1,327 [1],[2],[3]     1,330 [7],[8],[17]            
Fair Value $ 1,338 [1],[2],[3]     $ 1,342 [7],[8],[17]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.75% 5.75% 5.75%              
Interest rate [1],[2],[3],[5] 10.14% 10.14% 10.14%              
Principal Amount or Par Value [1],[2],[3],[6] $ 36,155                  
Cost [1],[2],[3] 35,945                  
Fair Value [1],[2],[3] $ 35,446                  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       5.75% 5.75% 5.75%        
Interest rate [7],[8],[16],[17]       10.94% 10.94% 10.94%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 21,624            
Cost [7],[8],[17]       21,492            
Fair Value [7],[8],[17]       $ 21,138            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.75% 5.75% 5.75%        
Interest rate [7],[14],[15],[16]       10.94% 10.94% 10.94%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 14,624            
Cost [7],[14],[15]       14,534            
Fair Value [7],[14],[15]       $ 14,295            
Investment, Identifier [Axis]: Avalara, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       6.25% 6.25% 6.25%        
Interest rate [7],[8],[16],[17]       10.58% 10.58% 10.58%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 17,198            
Cost [7],[8],[17]       17,045            
Fair Value [7],[8],[17]       17,198            
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,720            
Cost [7],[8],[11]       (21)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[17],[24]       11.75% 11.75% 11.75%        
Interest rate [8],[16],[17],[24]       11.75% 11.75% 11.75%        
Cost [8],[17],[24]       $ 13,788            
Fair Value [8],[17],[24]       $ 13,867            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [7],[8],[17] 4.75% [7],[8],[17] 4.75% [7],[8],[17]        
Interest rate 9.07% [1],[2],[3],[5] 9.07% [1],[2],[3],[5] 9.07% [1],[2],[3],[5] 9.11% [7],[8],[16],[17] 9.11% [7],[8],[16],[17] 9.11% [7],[8],[16],[17]        
Principal Amount or Par Value $ 13,652 [1],[2],[3],[6]     $ 13,687 [7],[8],[10],[17]            
Cost 13,559 [1],[2],[3]     13,591 [7],[8],[17]            
Fair Value 13,550 [1],[2],[3]     13,585 [7],[8],[17]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,065 [2],[3],[6],[9]     2,065 [7],[8],[10],[11],[16]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value (15) [2],[3],[9]     (15) [7],[8],[11]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,894 [2],[3],[6],[9]     2,894 [7],[8],[10],[11],[16]            
Cost (22) [2],[3],[9]     (22) [7],[8],[11]            
Fair Value $ (22) [2],[3],[9]     $ (22) [7],[8],[11]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [1],[2],[3] 7.00% [1],[2],[3] 7.00% [1],[2],[3] 7.00% [7],[8],[17],[29] 7.00% [7],[8],[17],[29] 7.00% [7],[8],[17],[29]        
Interest rate 11.48% [1],[2],[3],[5] 11.48% [1],[2],[3],[5] 11.48% [1],[2],[3],[5] 12.08% [7],[8],[16],[17],[29] 12.08% [7],[8],[16],[17],[29] 12.08% [7],[8],[16],[17],[29]        
Principal Amount or Par Value $ 6,086 [1],[2],[3],[6]     $ 6,109 [7],[8],[10],[17],[29]            
Cost 6,061 [1],[2],[3]     6,081 [7],[8],[17],[29]            
Fair Value 6,086 [1],[2],[3]     6,109 [7],[8],[17],[29]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 417 [2],[3],[6],[9]     417 [7],[8],[10],[11],[29]            
Cost (4) [2],[3],[9]     (4) [7],[8],[11],[29]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11],[29]            
Investment, Identifier [Axis]: Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21],[29]       11.00% 11.00% 11.00%        
Interest rate [7],[8],[16],[29]       11.00% 11.00% 11.00%        
Cost [7],[8],[29]       $ 3,432            
Fair Value [7],[8],[29]       $ 3,371            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 4.75% 4.75% 4.75%              
Interest rate [2],[3],[5],[9] 9.18% 9.18% 9.18%              
Principal Amount or Par Value [2],[3],[6],[9] $ 466                  
Cost [2],[3],[9] 462                  
Fair Value [2],[3],[9] 466                  
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11]       4.75% 4.75% 4.75%        
Interest rate [7],[8],[11],[16]       9.18% 9.18% 9.18%        
Principal Amount or Par Value [7],[8],[10],[11]       $ 467            
Cost [7],[8],[11]       464            
Fair Value [7],[8],[11]       467            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,685 [2],[3],[6],[9]     1,685 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Bonterra LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[3] 5.00% 5.00% 5.00%              
Interest rate [1],[3],[5] 9.30% 9.30% 9.30%              
Principal Amount or Par Value [1],[3],[6] $ 15,065                  
Cost [1],[3] 15,027                  
Fair Value [1],[3] $ 15,027                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[9] 5.00% 5.00% 5.00%              
Interest rate [3],[5],[9] 9.30% 9.30% 9.30%              
Principal Amount or Par Value [3],[6],[9] $ 266                  
Cost [3],[9] 265                  
Fair Value [3],[9] 265                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[6],[9] 1,629                  
Cost [3],[9] 0                  
Fair Value [3],[9] 0                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[6],[9] 1,363                  
Cost [3],[9] (3)                  
Fair Value [3],[9] $ (3)                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[9],[30] 5.00% [2],[9],[30] 5.00% [2],[9],[30] 5.00% [7],[11],[31] 5.00% [7],[11],[31] 5.00% [7],[11],[31]        
Interest rate 9.32% [2],[5],[9],[30] 9.32% [2],[5],[9],[30] 9.32% [2],[5],[9],[30] 9.36% [7],[11],[16],[31] 9.36% [7],[11],[16],[31] 9.36% [7],[11],[16],[31]        
Principal Amount or Par Value $ 1,316 [2],[6],[9],[30]     $ 1,319 [7],[10],[11],[31]            
Cost 1,315 [2],[9],[30]     1,318 [7],[11],[31]            
Fair Value $ 1,316 [2],[9],[30]     $ 1,319 [7],[11],[31]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[3],[9] 5.00% [2],[3],[9] 5.00% [2],[3],[9] 5.00% [7],[8],[11] 5.00% [7],[8],[11] 5.00% [7],[8],[11]        
Interest rate 9.32% [2],[3],[5],[9] 9.32% [2],[3],[5],[9] 9.32% [2],[3],[5],[9] 9.36% [7],[8],[11],[16] 9.36% [7],[8],[11],[16] 9.36% [7],[8],[11],[16]        
Principal Amount or Par Value $ 515 [2],[3],[6],[9]     $ 516 [7],[8],[10],[11]            
Cost 518 [2],[3],[9]     520 [7],[8],[11]            
Fair Value 515 [2],[3],[9]     516 [7],[8],[11]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 376 [2],[3],[6],[9]     376 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,594 [2],[3],[6],[9]     1,594 [7],[8],[10],[11]            
Cost (6) [2],[3],[9]     (6) [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 963 [2],[6],[9],[30]     963 [7],[10],[11],[31]            
Cost (7) [2],[9],[30]     (7) [7],[11],[31]            
Fair Value $ 0 [2],[9],[30]     $ 0 [7],[11],[31]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[30] 5.00% [2],[30] 5.00% [2],[30] 5.00% [7],[31] 5.00% [7],[31] 5.00% [7],[31]        
Interest rate 9.32% [2],[5],[30] 9.32% [2],[5],[30] 9.32% [2],[5],[30] 9.36% [7],[16],[31] 9.36% [7],[16],[31] 9.36% [7],[16],[31]        
Principal Amount or Par Value $ 19,969 [2],[6],[30]     $ 20,019 [7],[10],[31]            
Cost 19,883 [2],[30]     19,931 [7],[31]            
Fair Value $ 19,969 [2],[30]     $ 20,019 [7],[31]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 7,808 [2],[6],[12],[13]     $ 7,827 [7],[10],[14],[15]            
Cost 7,808 [2],[12],[13]     7,827 [7],[14],[15]            
Fair Value 7,808 [2],[12],[13]     7,827 [7],[14],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       935            
Cost [7],[8],[11]       (4)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11]       5.00% 5.00% 5.00%        
Interest rate [7],[8],[11],[16]       9.36% 9.36% 9.36%        
Principal Amount or Par Value [7],[8],[10],[11]       $ 417            
Cost [7],[8],[11]       417            
Fair Value [7],[8],[11]       417            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,847 [2],[3],[6],[9]     1,847 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 935                  
Cost [2],[3],[9] (4)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 13,206 [2],[6],[12],[13]     $ 13,206 [7],[10],[14],[15]            
Cost 13,172 [2],[12],[13]     13,170 [7],[14],[15]            
Fair Value $ 13,206 [2],[12],[13]     $ 13,206 [7],[14],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17]        
Principal Amount or Par Value $ 8,879 [1],[2],[3],[6]     $ 8,462 [7],[8],[10],[17]            
Cost 8,893 [1],[2],[3]     8,452 [7],[8],[17]            
Fair Value $ 8,879 [1],[2],[3]     $ 8,462 [7],[8],[17]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 3,398 [2],[6],[12],[13]     $ 3,398 [7],[10],[14],[15]            
Cost 3,394 [2],[12],[13]     3,394 [7],[14],[15]            
Fair Value $ 3,398 [2],[12],[13]     $ 3,398 [7],[14],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 761 [2],[6],[12],[13]     $ 761 [7],[10],[14],[15]            
Cost 759 [2],[12],[13]     758 [7],[14],[15]            
Fair Value $ 761 [2],[12],[13]     $ 761 [7],[14],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 341 [2],[6],[12],[13]     $ 341 [7],[10],[14],[15]            
Cost 340 [2],[12],[13]     340 [7],[14],[15]            
Fair Value $ 341 [2],[12],[13]     $ 341 [7],[14],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 6                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 272 [2],[6],[12],[13]     $ 272 [7],[10],[14],[15]            
Cost 271 [2],[12],[13]     271 [7],[14],[15]            
Fair Value $ 272 [2],[12],[13]     $ 272 [7],[14],[15]            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.25% 5.25% 5.25%        
Interest rate [7],[14],[15],[16]       9.61% 9.61% 9.61%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 3,308            
Cost [7],[14],[15]       3,293            
Fair Value [7],[14],[15]       3,292            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       364            
Cost [7],[8],[11]       (2)            
Fair Value [7],[8],[11]       (2)            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       934            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       $ (5)            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [1],[2],[3],[20] 6.25% [1],[2],[3],[20] 6.25% [1],[2],[3],[20] 6.25% [7],[14],[15],[21] 6.25% [7],[14],[15],[21] 6.25% [7],[14],[15],[21]        
PIK 2.25% [1],[2],[3],[20] 2.25% [1],[2],[3],[20] 2.25% [1],[2],[3],[20] 2.25% [7],[14],[15],[21] 2.25% [7],[14],[15],[21] 2.25% [7],[14],[15],[21]        
Interest rate 13.06% [1],[2],[3],[5] 13.06% [1],[2],[3],[5] 13.06% [1],[2],[3],[5] 13.09% [7],[14],[15],[16] 13.09% [7],[14],[15],[16] 13.09% [7],[14],[15],[16]        
Principal Amount or Par Value $ 11,918 [1],[2],[3],[6]     $ 11,881 [7],[10],[14],[15]            
Cost 11,918 [1],[2],[3]     11,880 [7],[14],[15]            
Fair Value $ 10,429 [1],[2],[3]     $ 10,693 [7],[14],[15]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [2],[12],[13],[20] 6.25% [2],[12],[13],[20] 6.25% [2],[12],[13],[20] 6.25% [7],[14],[15],[21] 6.25% [7],[14],[15],[21] 6.25% [7],[14],[15],[21]        
PIK 2.25% [2],[12],[13],[20] 2.25% [2],[12],[13],[20] 2.25% [2],[12],[13],[20] 2.25% [7],[14],[15],[21] 2.25% [7],[14],[15],[21] 2.25% [7],[14],[15],[21]        
Interest rate 13.06% [2],[5],[12],[13] 13.06% [2],[5],[12],[13] 13.06% [2],[5],[12],[13] 13.09% [7],[14],[15],[16] 13.09% [7],[14],[15],[16] 13.09% [7],[14],[15],[16]        
Principal Amount or Par Value $ 3,551 [2],[6],[12],[13]     $ 3,539 [7],[10],[14],[15]            
Cost 3,559 [2],[12],[13]     3,548 [7],[14],[15]            
Fair Value $ 3,107 [2],[12],[13]     $ 3,185 [7],[14],[15]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [1],[2],[3],[9],[12],[13],[20] 6.75% [1],[2],[3],[9],[12],[13],[20] 6.75% [1],[2],[3],[9],[12],[13],[20] 6.75% [7],[14],[15],[21] 6.75% [7],[14],[15],[21] 6.75% [7],[14],[15],[21]        
PIK 2.00% [1],[2],[3],[9],[12],[13],[20] 2.00% [1],[2],[3],[9],[12],[13],[20] 2.00% [1],[2],[3],[9],[12],[13],[20] 2.00% [7],[14],[15],[21] 2.00% [7],[14],[15],[21] 2.00% [7],[14],[15],[21]        
Interest rate 13.05% [2],[5],[12],[13] 13.05% [2],[5],[12],[13] 13.05% [2],[5],[12],[13] 13.08% [7],[14],[15],[16] 13.08% [7],[14],[15],[16] 13.08% [7],[14],[15],[16]        
Principal Amount or Par Value $ 8,514 [2],[6],[12],[13]     $ 8,493 [7],[10],[14],[15]            
Cost 8,472 [2],[12],[13]     8,447 [7],[14],[15]            
Fair Value $ 8,514 [2],[12],[13]     $ 8,449 [7],[14],[15]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11],[17],[21]       6.75% 6.75% 6.75%        
PIK [7],[8],[11],[17],[21]       2.00% 2.00% 2.00%        
Interest rate 13.08% [1],[2],[3],[5],[9] 13.08% [1],[2],[3],[5],[9] 13.08% [1],[2],[3],[5],[9] 13.11% [7],[8],[11],[16],[17] 13.11% [7],[8],[11],[16],[17] 13.11% [7],[8],[11],[16],[17]        
Principal Amount or Par Value $ 1,073 [1],[2],[3],[6],[9]     $ 954 [7],[8],[10],[11],[17]            
Cost 1,061 [1],[2],[3],[9]     945 [7],[8],[11],[17]            
Fair Value 1,073 [1],[2],[3],[9]     950 [7],[8],[11],[17]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 113 [2],[3],[6],[9]     226 [7],[8],[10],[11]            
Cost (1) [2],[3],[9]     (3) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ (1) [7],[8],[11]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 6,500 [2],[6],[12],[13]     $ 6,516 [7],[10],[14],[15]            
Cost 6,469 [2],[12],[13]     6,484 [7],[14],[15]            
Fair Value $ 6,467 [2],[12],[13]     $ 6,483 [7],[14],[15]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3],[9] 5.00% [1],[2],[3],[9] 5.00% [1],[2],[3],[9] 5.00% [7],[8],[11],[17] 5.00% [7],[8],[11],[17] 5.00% [7],[8],[11],[17]        
Interest rate 9.32% [1],[2],[3],[5],[9] 9.32% [1],[2],[3],[5],[9] 9.32% [1],[2],[3],[5],[9] 9.36% [7],[8],[11],[16],[17] 9.36% [7],[8],[11],[16],[17] 9.36% [7],[8],[11],[16],[17]        
Principal Amount or Par Value $ 565 [1],[2],[3],[6],[9]     $ 489 [7],[8],[10],[11],[17]            
Cost 562 [1],[2],[3],[9]     486 [7],[8],[11],[17]            
Fair Value 562 [1],[2],[3],[9]     486 [7],[8],[11],[17]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 521 [2],[3],[6],[9]     597 [7],[8],[10],[11]            
Cost (3) [2],[3],[9]     (3) [7],[8],[11]            
Fair Value (3) [2],[3],[9]     (3) [7],[8],[11]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,629 [2],[3],[6],[9]     1,629 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ (8) [2],[3],[9]     (8) [7],[8],[11]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       850            
Cost [7],[8],[11]       (6)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[8],[11] 5.50% [7],[8],[11] 5.50% [7],[8],[11]        
Interest rate 9.81% [2],[3],[5],[9] 9.81% [2],[3],[5],[9] 9.81% [2],[3],[5],[9] 10.02% [7],[8],[11],[16] 10.02% [7],[8],[11],[16] 10.02% [7],[8],[11],[16]        
Principal Amount or Par Value $ 637 [2],[3],[6],[9]     $ 637 [7],[8],[10],[11]            
Cost 633 [2],[3],[9]     633 [7],[8],[11]            
Fair Value 637 [2],[3],[9]     $ 637 [7],[8],[11]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 850                  
Cost [2],[3],[9] (6)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[30] 5.50% [2],[30] 5.50% [2],[30] 5.50% [7],[31] 5.50% [7],[31] 5.50% [7],[31]        
Interest rate 9.81% [2],[5],[30] 9.81% [2],[5],[30] 9.81% [2],[5],[30] 10.01% [7],[16],[31] 10.01% [7],[16],[31] 10.01% [7],[16],[31]        
Principal Amount or Par Value $ 12,255 [2],[6],[30]     $ 12,286 [7],[10],[31]            
Cost 12,217 [2],[30]     12,244 [7],[31]            
Fair Value $ 12,255 [2],[30]     $ 12,286 [7],[31]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[30] 5.50% [2],[30] 5.50% [2],[30] 5.50% [7],[31] 5.50% [7],[31] 5.50% [7],[31]        
Interest rate 9.81% [2],[5],[30] 9.81% [2],[5],[30] 9.81% [2],[5],[30] 10.01% [7],[16],[31] 10.01% [7],[16],[31] 10.01% [7],[16],[31]        
Principal Amount or Par Value $ 1,570 [2],[6],[30]     $ 1,574 [7],[10],[31]            
Cost 1,559 [2],[30]     1,562 [7],[31]            
Fair Value $ 1,570 [2],[30]     $ 1,574 [7],[31]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [18] 4.50% [18] 4.50% [18] 4.50% [19] 4.50% [19] 4.50% [19]        
Interest rate 8.95% [5],[18] 8.95% [5],[18] 8.95% [5],[18] 8.98% [16],[19] 8.98% [16],[19] 8.98% [16],[19]        
Principal Amount or Par Value $ 11,700 [6],[18]     $ 11,730 [10],[19]            
Cost 11,661 [18]     11,689 [19]            
Fair Value $ 11,433 [18]     $ 11,249 [19]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [2],[18] 7.75% [2],[18] 7.75% [2],[18] 7.75% [7],[19] 7.75% [7],[19] 7.75% [7],[19]        
Interest rate 12.20% [2],[5],[18] 12.20% [2],[5],[18] 12.20% [2],[5],[18] 12.24% [7],[16],[19] 12.24% [7],[16],[19] 12.24% [7],[16],[19]        
Principal Amount or Par Value $ 9,767 [2],[6],[18]     $ 9,767 [7],[10],[19]            
Cost 9,712 [2],[18]     9,709 [7],[19]            
Fair Value 9,655 [2],[18]     $ 9,423 [7],[19]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15],[21]       2.88% 2.88% 2.88%        
PIK [7],[14],[15],[21]       3.38% 3.38% 3.38%        
Interest rate [7],[14],[15],[16]       10.63% 10.63% 10.63%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 35,797            
Cost [7],[14],[15]       35,399            
Fair Value [7],[14],[15]       35,797            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,980 [2],[3],[6],[9]     3,980 [7],[8],[10],[11]            
Cost (50) [2],[3],[9]     (50) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[12],[13],[20] 2.88% 2.88% 2.88%              
PIK [2],[12],[13],[20] 3.38% 3.38% 3.38%              
Interest rate [2],[5],[12],[13] 10.57% 10.57% 10.57%              
Principal Amount or Par Value [2],[6],[12],[13] $ 36,023                  
Cost [2],[12],[13] 35,640                  
Fair Value [2],[12],[13] 36,023                  
Investment, Identifier [Axis]: Ciklum Inc, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 2,989                  
Cost [2],[3],[9] (37)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Ciklum Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [2],[4],[12],[13] 6.50% [2],[4],[12],[13] 6.50% [2],[4],[12],[13] 6.50% [7],[14],[15],[24] 6.50% [7],[14],[15],[24] 6.50% [7],[14],[15],[24]        
Interest rate 10.89% [2],[4],[5],[12],[13] 10.89% [2],[4],[5],[12],[13] 10.89% [2],[4],[5],[12],[13] 11.17% [7],[14],[15],[16],[24] 11.17% [7],[14],[15],[16],[24] 11.17% [7],[14],[15],[16],[24]        
Principal Amount or Par Value $ 9,512 [2],[4],[6],[12],[13]     $ 9,536 [7],[10],[14],[15],[24]            
Cost 9,410 [2],[4],[12],[13]     9,430 [7],[14],[15],[24]            
Fair Value 9,512 [2],[4],[12],[13]     9,536 [7],[14],[15],[24]            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 11,955 [2],[3],[6],[9]     11,955 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       2,989            
Cost [7],[8],[11]       (37)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: CommerceHub, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [1],[2],[3] 6.25% [1],[2],[3] 6.25% [1],[2],[3] 6.25% [7],[8],[17] 6.25% [7],[8],[17] 6.25% [7],[8],[17]        
Interest rate 10.56% [1],[2],[3],[5] 10.56% [1],[2],[3],[5] 10.56% [1],[2],[3],[5] 10.90% [7],[8],[16],[17] 10.90% [7],[8],[16],[17] 10.90% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,910 [1],[2],[3],[6]     $ 3,920 [7],[8],[10],[17]            
Cost 3,621 [1],[2],[3]     3,608 [7],[8],[17]            
Fair Value $ 3,910 [1],[2],[3]     $ 3,920 [7],[8],[17]            
Investment, Identifier [Axis]: Compsych Investments Corp, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[12],[13] 4.75% 4.75% 4.75%              
Interest rate [2],[5],[12],[13] 9.04% 9.04% 9.04%              
Principal Amount or Par Value [2],[6],[12],[13] $ 1,162                  
Cost [2],[12],[13] 1,159                  
Fair Value [2],[12],[13] 1,159                  
Investment, Identifier [Axis]: Compsych Investments Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       4.75% 4.75% 4.75%        
Interest rate [7],[14],[15],[16]       9.38% 9.38% 9.38%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 1,164            
Cost [7],[14],[15]       1,162            
Fair Value [7],[14],[15]       1,162            
Investment, Identifier [Axis]: Compsych Investments Corp., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 333 [2],[3],[6],[9]     333 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ (1) [2],[3],[9]     $ (1) [7],[8],[11]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [7],[8],[17],[21] 1.00% [7],[8],[17],[21] 1.00% [7],[8],[17],[21]        
PIK 4.25% [1],[2],[3],[20] 4.25% [1],[2],[3],[20] 4.25% [1],[2],[3],[20] 4.25% [7],[8],[17],[21] 4.25% [7],[8],[17],[21] 4.25% [7],[8],[17],[21]        
Interest rate 9.57% [1],[2],[3],[5] 9.57% [1],[2],[3],[5] 9.57% [1],[2],[3],[5] 9.68% [7],[8],[16],[17] 9.68% [7],[8],[16],[17] 9.68% [7],[8],[16],[17]        
Principal Amount or Par Value $ 13,243 [1],[2],[3],[6]     $ 13,152 [7],[8],[10],[17]            
Cost 13,195 [1],[2],[3]     13,101 [7],[8],[17]            
Fair Value $ 12,180 [1],[2],[3]     $ 11,935 [7],[8],[17]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [7],[8],[17],[21] 1.00% [7],[8],[17],[21] 1.00% [7],[8],[17],[21]        
PIK 4.25% [1],[2],[3],[20] 4.25% [1],[2],[3],[20] 4.25% [1],[2],[3],[20] 4.25% [7],[8],[17],[21] 4.25% [7],[8],[17],[21] 4.25% [7],[8],[17],[21]        
Interest rate 9.57% [1],[2],[3],[5] 9.57% [1],[2],[3],[5] 9.57% [1],[2],[3],[5] 9.68% [7],[8],[16],[17] 9.68% [7],[8],[16],[17] 9.68% [7],[8],[16],[17]        
Principal Amount or Par Value $ 2,211 [1],[2],[3],[6]     $ 2,196 [7],[8],[10],[17]            
Cost 2,196 [1],[2],[3]     2,180 [7],[8],[17]            
Fair Value $ 2,034 [1],[2],[3]     $ 1,993 [7],[8],[17]            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       5.25% 5.25% 5.25%        
Interest rate [7],[8],[16],[17]       9.61% 9.61% 9.61%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 1,050            
Cost [7],[8],[17]       1,045            
Fair Value [7],[8],[17]       1,050            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.25% 5.25% 5.25%              
Interest rate [1],[2],[3],[5] 9.57% 9.57% 9.57%              
Principal Amount or Par Value [1],[2],[3],[6] $ 1,047                  
Cost [1],[2],[3] 1,042                  
Fair Value [1],[2],[3] 1,047                  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       578            
Cost [7],[8],[11]       (3)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 578                  
Cost [2],[3],[9] (3)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.54% [1],[2],[3],[5] 9.54% [1],[2],[3],[5] 9.54% [1],[2],[3],[5] 9.84% [7],[8],[16],[17] 9.84% [7],[8],[16],[17] 9.84% [7],[8],[16],[17]        
Principal Amount or Par Value $ 14,352 [1],[2],[3],[6]     $ 14,388 [7],[8],[10],[17]            
Cost 14,212 [1],[2],[3]     14,243 [7],[8],[17]            
Fair Value 14,352 [1],[2],[3]     14,388 [7],[8],[17]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,291 [2],[3],[6],[9]     1,291 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 989 [2],[3],[6],[9]     989 [7],[8],[10],[11]            
Cost (12) [2],[3],[9]     (12) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.41% [2],[12],[13] 6.41% [2],[12],[13] 6.41% [2],[12],[13] 6.41% [7],[14],[15] 6.41% [7],[14],[15] 6.41% [7],[14],[15]        
Interest rate 10.70% [2],[5],[12],[13] 10.70% [2],[5],[12],[13] 10.70% [2],[5],[12],[13] 10.73% [7],[14],[15],[16] 10.73% [7],[14],[15],[16] 10.73% [7],[14],[15],[16]        
Principal Amount or Par Value $ 1,799 [2],[6],[12],[13]     $ 1,804 [7],[10],[14],[15]            
Cost 1,794 [2],[12],[13]     1,798 [7],[14],[15]            
Fair Value $ 1,761 [2],[12],[13]     $ 1,758 [7],[14],[15]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [7],[8],[17] 6.50% [7],[8],[17] 6.50% [7],[8],[17]        
Interest rate 10.80% [1],[2],[3],[5] 10.80% [1],[2],[3],[5] 10.80% [1],[2],[3],[5] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17]        
Principal Amount or Par Value $ 1,008 [1],[2],[3],[6]     $ 1,011 [7],[8],[10],[17]            
Cost 998 [1],[2],[3]     1,000 [7],[8],[17]            
Fair Value $ 988 [1],[2],[3]     $ 987 [7],[8],[17]            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [1],[3] 6.75% [1],[3] 6.75% [1],[3] 6.75% [8],[17] 6.75% [8],[17] 6.75% [8],[17]        
Interest rate 11.19% [1],[3],[5] 11.19% [1],[3],[5] 11.19% [1],[3],[5] 11.22% [8],[16],[17] 11.22% [8],[16],[17] 11.22% [8],[16],[17]        
Principal Amount or Par Value $ 20,313 [1],[3],[6]     $ 20,313 [8],[10],[17]            
Cost 20,280 [1],[3]     20,280 [8],[17]            
Fair Value $ 20,034 [1],[3]     20,281 [8],[17]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 5.75% 5.75% 5.75%              
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien (3)(13)(16) - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Interest rate [2],[3],[5],[9] 10.13% 10.13% 10.13%              
Principal Amount or Par Value [2],[3],[6],[9] $ 481                  
Cost [2],[3],[9] 481                  
Fair Value [2],[3],[9] 479                  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,924 [2],[3],[6],[9]     2,405 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ (8) [2],[3],[9]     $ (13) [7],[8],[11]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [7],[8],[17] 5.75% [7],[8],[17] 5.75% [7],[8],[17]        
Interest rate 10.17% [1],[2],[3],[5] 10.17% [1],[2],[3],[5] 10.17% [1],[2],[3],[5] 10.40% [7],[8],[16],[17] 10.40% [7],[8],[16],[17] 10.40% [7],[8],[16],[17]        
Principal Amount or Par Value $ 18,290 [1],[2],[3],[6]     $ 18,337 [7],[8],[10],[17]            
Cost 18,290 [1],[2],[3]     18,337 [7],[8],[17]            
Fair Value $ 18,213 [1],[2],[3]     $ 18,236 [7],[8],[17]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[18] 5.75% [2],[18] 5.75% [2],[18] 5.75% [7],[19] 5.75% [7],[19] 5.75% [7],[19]        
Interest rate 10.17% [2],[5],[18] 10.17% [2],[5],[18] 10.17% [2],[5],[18] 10.40% [7],[16],[19] 10.40% [7],[16],[19] 10.40% [7],[16],[19]        
Principal Amount or Par Value $ 6,849 [2],[6],[18]     $ 6,867 [7],[10],[19]            
Cost 6,849 [2],[18]     6,867 [7],[19]            
Fair Value $ 6,821 [2],[18]     6,829 [7],[19]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.75% 5.75% 5.75%              
Interest rate [1],[2],[3],[5] 10.17% 10.17% 10.17%              
Principal Amount or Par Value [1],[2],[3],[6] $ 3,380                  
Cost [1],[2],[3] 3,355                  
Fair Value [1],[2],[3] 3,366                  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,046 [2],[3],[6],[9]     3,046 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9]     986 [7],[8],[10],[11]            
Cost [2],[3],[9]     (10) [7],[8],[11]            
Fair Value [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17]        
Principal Amount or Par Value $ 12,845 [1],[2],[3],[6]     $ 12,878 [7],[8],[10],[17]            
Cost 12,771 [1],[2],[3]     12,799 [7],[8],[17]            
Fair Value $ 12,845 [1],[2],[3]     $ 12,878 [7],[8],[17]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 1,082 [2],[6],[12],[13]     $ 1,085 [7],[10],[14],[15]            
Cost 1,076 [2],[12],[13]     1,078 [7],[14],[15]            
Fair Value $ 1,082 [2],[12],[13]     $ 1,085 [7],[14],[15]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[3] 5.00% [2],[3] 5.00% [2],[3] 5.00% [7],[8] 5.00% [7],[8] 5.00% [7],[8]        
Interest rate 9.32% [2],[3],[5] 9.32% [2],[3],[5] 9.32% [2],[3],[5] 9.36% [7],[8],[16] 9.36% [7],[8],[16] 9.36% [7],[8],[16]        
Principal Amount or Par Value $ 65 [2],[3],[6]     $ 65 [7],[8],[10]            
Cost 64 [2],[3]     64 [7],[8]            
Fair Value 65 [2],[3]     $ 65 [7],[8]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 986                  
Cost [2],[3],[9] (10)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 7.00% [1],[2],[3],[20] 7.00% [1],[2],[3],[20] 7.00% [1],[2],[3],[20] 7.00% [7],[8],[17],[21] 7.00% [7],[8],[17],[21] 7.00% [7],[8],[17],[21]        
Interest rate 7.00% [1],[2],[3],[5] 7.00% [1],[2],[3],[5] 7.00% [1],[2],[3],[5] 7.00% [7],[8],[16],[17] 7.00% [7],[8],[16],[17] 7.00% [7],[8],[16],[17]        
Cost $ 75,928 [1],[2],[3]     $ 75,927 [7],[8],[17]            
Fair Value $ 78,578 [1],[2],[3]     $ 79,222 [7],[8],[17]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[2],[3],[9] 5.75% [1],[2],[3],[9] 5.75% [1],[2],[3],[9] 5.75% [7],[8],[11],[17] 5.75% [7],[8],[11],[17] 5.75% [7],[8],[11],[17]        
Interest rate 10.15% [1],[2],[3],[5],[9] 10.15% [1],[2],[3],[5],[9] 10.15% [1],[2],[3],[5],[9] 10.20% [7],[8],[11],[16],[17] 10.20% [7],[8],[11],[16],[17] 10.20% [7],[8],[11],[16],[17]        
Principal Amount or Par Value $ 3,027 [1],[2],[3],[6],[9]     $ 3,027 [7],[8],[10],[11],[17]            
Cost 2,997 [1],[2],[3],[9]     2,997 [7],[8],[11],[17]            
Fair Value $ 3,000 [1],[2],[3],[9]     $ 2,987 [7],[8],[11],[17]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]        
Interest rate 10.15% [2],[5],[12],[13] 10.15% [2],[5],[12],[13] 10.15% [2],[5],[12],[13] 10.18% [7],[14],[15],[16] 10.18% [7],[14],[15],[16] 10.18% [7],[14],[15],[16]        
Principal Amount or Par Value $ 36,998 [2],[6],[12],[13]     $ 37,094 [7],[10],[14],[15]            
Cost 36,788 [2],[12],[13]     36,871 [7],[14],[15]            
Fair Value $ 36,672 [2],[12],[13]     $ 36,604 [7],[14],[15]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [7],[8],[17] 5.75% [7],[8],[17] 5.75% [7],[8],[17]        
Interest rate 10.15% [1],[2],[3],[5] 10.15% [1],[2],[3],[5] 10.15% [1],[2],[3],[5] 10.18% [7],[8],[16],[17] 10.18% [7],[8],[16],[17] 10.18% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,894 [1],[2],[3],[6]     $ 3,905 [7],[8],[10],[17]            
Cost 3,872 [1],[2],[3]     3,880 [7],[8],[17]            
Fair Value $ 3,860 [1],[2],[3]     3,853 [7],[8],[17]            
Investment, Identifier [Axis]: Diligent Corporation , First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[12],[13] 5.00% 5.00% 5.00%              
Interest rate [2],[5],[12],[13] 9.31% 9.31% 9.31%              
Principal Amount or Par Value [2],[6],[12],[13] $ 19,821                  
Cost [2],[12],[13] 19,755                  
Fair Value [2],[12],[13] $ 19,821                  
Investment, Identifier [Axis]: Diligent Corporation , First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.00% 5.00% 5.00%              
Interest rate [1],[2],[3],[5] 9.31% 9.31% 9.31%              
Principal Amount or Par Value [1],[2],[3],[6] $ 3,398                  
Cost [1],[2],[3] 3,387                  
Fair Value [1],[2],[3] 3,398                  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,265 [2],[3],[6],[9]     2,265 [7],[8],[10],[11]            
Cost (8) [2],[3],[9]     (8) [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,398 [2],[3],[6],[9]     3,398 [7],[8],[10],[11]            
Cost (13) [2],[3],[9]     (13) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.00% 5.00% 5.00%        
Interest rate [7],[14],[15],[16]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 19,821            
Cost [7],[14],[15]       19,753            
Fair Value [7],[14],[15]       $ 19,821            
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       5.00% 5.00% 5.00%        
Interest rate [7],[8],[16],[17]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 3,398            
Cost [7],[8],[17]       3,386            
Fair Value [7],[8],[17]       $ 3,398            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.50% [2],[3],[20],[32] 10.50% [2],[3],[20],[32] 10.50% [2],[3],[20],[32] 10.50% [7],[8],[21],[33] 10.50% [7],[8],[21],[33] 10.50% [7],[8],[21],[33]        
Interest rate 10.50% [2],[3],[5],[32] 10.50% [2],[3],[5],[32] 10.50% [2],[3],[5],[32] 10.50% [7],[8],[16],[33] 10.50% [7],[8],[16],[33] 10.50% [7],[8],[16],[33]        
Cost $ 14,912 [2],[3],[32]     $ 14,162 [7],[8],[33]            
Fair Value $ 14,364 [2],[3],[32]     $ 13,609 [7],[8],[33]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [2],[12],[13] 7.50% [2],[12],[13] 7.50% [2],[12],[13] 7.50% [7],[14],[15] 7.50% [7],[14],[15] 7.50% [7],[14],[15]        
Interest rate 11.95% [2],[5],[12],[13] 11.95% [2],[5],[12],[13] 11.95% [2],[5],[12],[13] 11.98% [7],[14],[15],[16] 11.98% [7],[14],[15],[16] 11.98% [7],[14],[15],[16]        
Principal Amount or Par Value $ 10,628 [2],[6],[12],[13]     $ 10,628 [7],[10],[14],[15]            
Cost 10,628 [2],[12],[13]     10,628 [7],[14],[15]            
Fair Value $ 10,628 [2],[12],[13]     $ 10,628 [7],[14],[15]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [2],[3] 7.50% [2],[3] 7.50% [2],[3] 7.50% [7],[8] 7.50% [7],[8] 7.50% [7],[8]        
Interest rate 11.95% [2],[3],[5] 11.95% [2],[3],[5] 11.95% [2],[3],[5] 11.98% [7],[8],[16] 11.98% [7],[8],[16] 11.98% [7],[8],[16]        
Principal Amount or Par Value $ 340 [2],[3],[6]     $ 340 [7],[8],[10]            
Cost 340 [2],[3]     340 [7],[8]            
Fair Value 340 [2],[3]     340 [7],[8]            
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,104 [2],[3]     4,104 [7],[8]            
Fair Value $ 7,369 [2],[3]     $ 8,188 [7],[8]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[18],[34] 4.75% [2],[18],[34] 4.75% [2],[18],[34] 4.75% [7],[19],[35] 4.75% [7],[19],[35] 4.75% [7],[19],[35]        
Interest rate 9.06% [2],[5],[18],[34] 9.06% [2],[5],[18],[34] 9.06% [2],[5],[18],[34] 9.26% [7],[16],[19],[35] 9.26% [7],[16],[19],[35] 9.26% [7],[16],[19],[35]        
Principal Amount or Par Value $ 7,113 [2],[6],[18],[34]     $ 7,113 [7],[10],[19],[35]            
Cost 7,079 [2],[18],[34]     7,078 [7],[19],[35]            
Fair Value 7,078 [2],[18],[34]     7,078 [7],[19],[35]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,206 [2],[6],[9],[18]     1,206 [7],[10],[11],[19]            
Cost 0 [2],[9],[18]     0 [7],[11],[19]            
Fair Value (6) [2],[9],[18]     (6) [7],[11],[19]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,190 [2],[3],[6],[9]     4,190 [7],[8],[10],[11]            
Cost (21) [2],[3],[9]     (21) [7],[8],[11]            
Fair Value (21) [2],[3],[9]     (21) [7],[8],[11]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 145 [2],[3]     145 [7],[8]            
Fair Value $ 305 [2],[3]     $ 305 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [2],[3],[20] 15.00% [2],[3],[20] 15.00% [2],[3],[20] 15.00% [7],[8],[21] 15.00% [7],[8],[21] 15.00% [7],[8],[21]        
Interest rate 15.00% [2],[3],[5] 15.00% [2],[3],[5] 15.00% [2],[3],[5] 15.00% [7],[8],[16] 15.00% [7],[8],[16] 15.00% [7],[8],[16]        
Cost $ 2,900 [2],[3]     $ 2,900 [7],[8]            
Fair Value $ 2,900 [2],[3]     $ 2,900 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [2],[3],[20] 11.50% [2],[3],[20] 11.50% [2],[3],[20] 11.50% [7],[8],[21] 11.50% [7],[8],[21] 11.50% [7],[8],[21]        
Interest rate 11.50% [2],[3],[5] 11.50% [2],[3],[5] 11.50% [2],[3],[5] 11.50% [7],[8],[16] 11.50% [7],[8],[16] 11.50% [7],[8],[16]        
Cost $ 2,565 [2],[3]     $ 2,565 [7],[8]            
Fair Value 2,702 [2],[3]     $ 2,702 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc., Junior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,565                  
Fair Value $ 2,702                  
Investment, Identifier [Axis]: Eclipse Topco, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.50% [2],[18],[20],[34] 12.50% [2],[18],[20],[34] 12.50% [2],[18],[20],[34] 12.50% [7],[19],[21],[35] 12.50% [7],[19],[21],[35] 12.50% [7],[19],[21],[35]        
Interest rate 12.50% [2],[5],[18],[34] 12.50% [2],[5],[18],[34] 12.50% [2],[5],[18],[34] 12.50% [7],[16],[19],[35] 12.50% [7],[16],[19],[35] 12.50% [7],[16],[19],[35]        
Cost $ 1,952 [2],[18],[34]     $ 1,952 [7],[19],[35]            
Fair Value $ 1,952 [2],[18],[34]     $ 1,952 [7],[19],[35]            
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 13.50% [2],[3],[20],[36] 13.50% [2],[3],[20],[36] 13.50% [2],[3],[20],[36] 13.25% [7],[8],[21] 13.25% [7],[8],[21] 13.25% [7],[8],[21]        
Interest rate 17.80% [2],[3],[5],[36] 17.80% [2],[3],[5],[36] 17.80% [2],[3],[5],[36] 17.58% [7],[8],[16] 17.58% [7],[8],[16] 17.58% [7],[8],[16]        
Principal Amount or Par Value $ 23,277 [2],[3],[6],[36]     $ 22,290 [7],[8],[10]            
Cost 23,214 [2],[3],[36]     22,223 [7],[8]            
Fair Value $ 23,277 [2],[3],[36]     22,290 [7],[8]            
Investment, Identifier [Axis]: Einstein Parent, Inc., First Lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 6.50% 6.50% 6.50%              
Interest rate [1],[2],[3],[5] 10.79% 10.79% 10.79%              
Principal Amount or Par Value [1],[2],[3],[6] $ 55,582                  
Cost [1],[2],[3] 55,039                  
Fair Value [1],[2],[3] 55,026                  
Investment, Identifier [Axis]: Einstein Parent, Inc.., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 5,750                  
Cost [2],[3],[9] (57)                  
Fair Value [2],[3],[9] (57)                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11],[37]       1,400            
Cost [7],[8],[11],[37]       (14)            
Fair Value [7],[8],[11],[37]       $ 0            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 909                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[6],[9],[30] 2,723                  
Cost [2],[9],[30] 0                  
Fair Value [2],[9],[30] 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,400                  
Cost [2],[3],[9] (14)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[30] 5.00% [2],[30] 5.00% [2],[30] 5.75% [7],[31] 5.75% [7],[31] 5.75% [7],[31]        
Interest rate 9.45% [2],[5],[30] 9.45% [2],[5],[30] 9.45% [2],[5],[30] 10.23% [7],[16],[31] 10.23% [7],[16],[31] 10.23% [7],[16],[31]        
Principal Amount or Par Value $ 8,527 [2],[6],[30]     $ 10,185 [7],[10],[31]            
Cost 8,483 [2],[30]     10,127 [7],[31]            
Fair Value $ 8,527 [2],[30]     $ 10,185 [7],[31]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 6.00% [7],[8],[17] 6.00% [7],[8],[17] 6.00% [7],[8],[17]        
Interest rate 9.45% [1],[2],[3],[5] 9.45% [1],[2],[3],[5] 9.45% [1],[2],[3],[5] 10.48% [7],[8],[16],[17] 10.48% [7],[8],[16],[17] 10.48% [7],[8],[16],[17]        
Principal Amount or Par Value $ 4,753 [1],[2],[3],[6]     $ 5,677 [7],[8],[10],[17]            
Cost 4,721 [1],[2],[3]     5,636 [7],[8],[17]            
Fair Value $ 4,753 [1],[2],[3]     $ 5,677 [7],[8],[17]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[30] 5.00% [2],[30] 5.00% [2],[30] 5.75% [7],[31] 5.75% [7],[31] 5.75% [7],[31]        
Interest rate 9.45% [2],[5],[30] 9.45% [2],[5],[30] 9.45% [2],[5],[30] 10.23% [7],[16],[31] 10.23% [7],[16],[31] 10.23% [7],[16],[31]        
Principal Amount or Par Value $ 2,863 [2],[6],[30]     $ 3,419 [7],[10],[31]            
Cost 2,846 [2],[30]     3,398 [7],[31]            
Fair Value $ 2,863 [2],[30]     $ 3,419 [7],[31]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[30] 5.00% [2],[30] 5.00% [2],[30] 5.75% [7],[31] 5.75% [7],[31] 5.75% [7],[31]        
Interest rate 9.45% [2],[5],[30] 9.45% [2],[5],[30] 9.45% [2],[5],[30] 10.23% [7],[16],[31] 10.23% [7],[16],[31] 10.23% [7],[16],[31]        
Principal Amount or Par Value $ 2,844 [2],[6],[30]     $ 3,397 [7],[10],[31]            
Cost 2,829 [2],[30]     3,378 [7],[31]            
Fair Value 2,844 [2],[30]     3,397 [7],[31]            
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 5,000 [2],[30],[38]     5,000 [7],[31],[37]            
Fair Value $ 4,655 [2],[30],[38]     4,618 [7],[31],[37]            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[20],[39] 2.25% 2.25% 2.25%              
PIK [1],[2],[3],[20],[39] 2.75% 2.75% 2.75%              
Interest rate [1],[2],[3],[5],[39] 9.29% 9.29% 9.29%              
Principal Amount or Par Value [1],[2],[3],[6],[39] $ 8,058                  
Cost [1],[2],[3],[39] 8,039                  
Fair Value [1],[2],[3],[39] 8,038                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 4,740                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,422                  
Cost [2],[3],[9] (4)                  
Fair Value [2],[3],[9] (4)                  
Investment, Identifier [Axis]: Firebird Co-Invest L.P, LP Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [2],[3],[39] 3,358                  
Fair Value [2],[3],[39] $ 3,358                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[18] 6.75% 6.75% 6.75%              
Interest rate [2],[5],[18] 11.19% 11.19% 11.19%              
Principal Amount or Par Value [2],[6],[18] $ 15,091                  
Cost [2],[18] 14,967                  
Fair Value [2],[18] $ 14,319                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 6.75% 6.75% 6.75%              
Interest rate [1],[2],[3],[5] 11.19% 11.19% 11.19%              
Principal Amount or Par Value [1],[2],[3],[6] $ 2,012                  
Cost [1],[2],[3] 2,006                  
Fair Value [1],[2],[3] $ 1,909                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.25% 5.25% 5.25%              
Interest rate [1],[2],[3],[5] 9.71% 9.71% 9.71%              
Principal Amount or Par Value [1],[2],[3],[6] $ 4,064                  
Cost [1],[2],[3] 4,034                  
Fair Value [1],[2],[3] $ 4,064                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[12],[13] 5.25% 5.25% 5.25%              
Interest rate [2],[5],[12],[13] 9.71% 9.71% 9.71%              
Principal Amount or Par Value [2],[6],[12],[13] $ 37,095                  
Cost [2],[12],[13] 36,918                  
Fair Value [2],[12],[13] $ 37,095                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 5.25% 5.25% 5.25%              
Interest rate [2],[3],[5],[9] 9.70% 9.70% 9.70%              
Principal Amount or Par Value [2],[3],[6],[9] $ 601                  
Cost [2],[3],[9] 597                  
Fair Value [2],[3],[9] 601                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,312 [2],[3],[6],[9]     3,312 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,710 [2],[3],[6],[9]     2,095 [7],[8],[10],[11]            
Cost (17) [2],[3],[9]     (21) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 10.17% [2],[5],[12],[13] 10.17% [2],[5],[12],[13] 10.17% [2],[5],[12],[13] 9.71% [7],[14],[15],[16] 9.71% [7],[14],[15],[16] 9.71% [7],[14],[15],[16]        
Principal Amount or Par Value $ 18,372 [2],[6],[12],[13]     $ 33,356 [7],[10],[14],[15]            
Cost 18,295 [2],[12],[13]     33,163 [7],[14],[15]            
Fair Value $ 18,372 [2],[12],[13]     $ 33,356 [7],[14],[15]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 10.17% [1],[2],[3],[5] 10.17% [1],[2],[3],[5] 10.17% [1],[2],[3],[5] 9.71% [7],[8],[16],[17] 9.71% [7],[8],[16],[17] 9.71% [7],[8],[16],[17]        
Principal Amount or Par Value $ 7,744 [1],[2],[3],[6]     $ 4,075 [7],[8],[10],[17]            
Cost 7,696 [1],[2],[3]     4,041 [7],[8],[17]            
Fair Value $ 7,744 [1],[2],[3]     $ 4,075 [7],[8],[17]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3] 7.50% 7.50% 7.50%              
Interest rate [2],[3],[5] 11.90% 11.90% 11.90%              
Principal Amount or Par Value [2],[3],[6] $ 16,953                  
Cost [2],[3] 16,802                  
Fair Value [2],[3] $ 16,953                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[8],[11] 5.50% [7],[8],[11] 5.50% [7],[8],[11]        
Interest rate 9.90% [2],[3],[5],[9] 9.90% [2],[3],[5],[9] 9.90% [2],[3],[5],[9] 10.30% [7],[8],[11],[16] 10.30% [7],[8],[11],[16] 10.30% [7],[8],[11],[16]        
Principal Amount or Par Value $ 1,287 [2],[3],[6],[9]     $ 1,001 [7],[8],[10],[11]            
Cost 1,274 [2],[3],[9]     990 [7],[8],[11]            
Fair Value $ 1,287 [2],[3],[9]     $ 1,001 [7],[8],[11]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[8],[11] 5.50% [7],[8],[11] 5.50% [7],[8],[11]        
Interest rate 9.90% [2],[3],[5],[9] 9.90% [2],[3],[5],[9] 9.90% [2],[3],[5],[9] 9.90% [7],[8],[11],[16] 9.90% [7],[8],[11],[16] 9.90% [7],[8],[11],[16]        
Principal Amount or Par Value $ 98 [2],[3],[6],[9]     $ 342 [7],[8],[10],[11]            
Cost 99 [2],[3],[9]     343 [7],[8],[11]            
Fair Value 98 [2],[3],[9]     342 [7],[8],[11]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,262 [2],[3],[6],[9]     3,360 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,573 [2],[3],[6],[9]     1,859 [7],[8],[10],[11]            
Cost (16) [2],[3],[9]     (19) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[12],[13] 5.50% [2],[12],[13] 5.50% [2],[12],[13] 5.50% [7],[14],[15] 5.50% [7],[14],[15] 5.50% [7],[14],[15]        
Interest rate 9.90% [2],[5],[12],[13] 9.90% [2],[5],[12],[13] 9.90% [2],[5],[12],[13] 9.93% [7],[14],[15],[16] 9.93% [7],[14],[15],[16] 9.93% [7],[14],[15],[16]        
Principal Amount or Par Value $ 17,132 [2],[6],[12],[13]     $ 17,176 [7],[10],[14],[15]            
Cost 17,028 [2],[12],[13]     17,066 [7],[14],[15]            
Fair Value $ 17,132 [2],[12],[13]     $ 17,176 [7],[14],[15]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [7],[8],[17] 5.50% [7],[8],[17] 5.50% [7],[8],[17]        
Interest rate 9.90% [1],[2],[3],[5] 9.90% [1],[2],[3],[5] 9.90% [1],[2],[3],[5] 9.93% [7],[8],[16],[17] 9.93% [7],[8],[16],[17] 9.93% [7],[8],[16],[17]        
Principal Amount or Par Value $ 12,330 [1],[2],[3],[6]     $ 12,020 [7],[8],[10],[17]            
Cost 12,260 [1],[2],[3]     11,946 [7],[8],[17]            
Fair Value $ 12,330 [1],[2],[3]     $ 12,020 [7],[8],[17]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3] 5.50% [2],[3] 5.50% [2],[3] 5.50% [7],[8] 5.50% [7],[8] 5.50% [7],[8]        
Interest rate 9.90% [2],[3],[5] 9.90% [2],[3],[5] 9.90% [2],[3],[5] 9.93% [7],[8],[16] 9.93% [7],[8],[16] 9.93% [7],[8],[16]        
Principal Amount or Par Value $ 79 [2],[3],[6]     $ 80 [7],[8],[10]            
Cost 79 [2],[3]     79 [7],[8]            
Fair Value $ 79 [2],[3]     $ 80 [7],[8]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [2],[30] 6.50% [2],[30] 6.50% [2],[30] 6.50% [7],[31] 6.50% [7],[31] 6.50% [7],[31]        
Interest rate 11.05% [2],[5],[30] 11.05% [2],[5],[30] 11.05% [2],[5],[30] 11.35% [7],[16],[31] 11.35% [7],[16],[31] 11.35% [7],[16],[31]        
Principal Amount or Par Value $ 22,500 [2],[6],[30]     $ 22,500 [7],[10],[31]            
Cost 22,426 [2],[30]     22,423 [7],[31]            
Fair Value $ 22,500 [2],[30]     $ 22,500 [7],[31]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [7],[14],[15] 6.50% [7],[14],[15] 6.50% [7],[14],[15]        
Interest rate 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.35% [7],[14],[15],[16] 11.35% [7],[14],[15],[16] 11.35% [7],[14],[15],[16]        
Principal Amount or Par Value $ 10,965 [1],[2],[3],[6]     $ 7,009 [7],[10],[14],[15]            
Cost 10,720 [1],[2],[3]     6,992 [7],[14],[15]            
Fair Value 10,965 [1],[2],[3]     7,009 [7],[14],[15]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,951 [2],[3],[6],[9]     3,951 [7],[8],[10],[11]            
Cost (30) [2],[3],[9]     (30) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 9.17% [2],[5],[12],[13] 9.17% [2],[5],[12],[13] 9.17% [2],[5],[12],[13] 9.21% [7],[14],[15],[16] 9.21% [7],[14],[15],[16] 9.21% [7],[14],[15],[16]        
Principal Amount or Par Value $ 40,211 [2],[6],[12],[13]     $ 40,312 [7],[10],[14],[15]            
Cost 39,992 [2],[12],[13]     40,084 [7],[14],[15]            
Fair Value $ 40,211 [2],[12],[13]     $ 40,312 [7],[14],[15]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[30] 4.75% [2],[30] 4.75% [2],[30] 4.75% [7],[31] 4.75% [7],[31] 4.75% [7],[31]        
Interest rate 9.17% [2],[5],[30] 9.17% [2],[5],[30] 9.17% [2],[5],[30] 9.21% [7],[16],[31] 9.21% [7],[16],[31] 9.21% [7],[16],[31]        
Principal Amount or Par Value $ 21,395 [2],[6],[30]     $ 21,448 [7],[10],[31]            
Cost 21,335 [2],[30]     21,386 [7],[31]            
Fair Value 21,395 [2],[30]     21,448 [7],[31]            
Investment, Identifier [Axis]: GEDC Equity, LLC, Participation Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 190 [2],[3]     190 [7],[8]            
Fair Value $ 50 [2],[3]     $ 50 [7],[8]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[3],[9] 5.25% [2],[3],[9] 5.25% [2],[3],[9] 5.25% [7],[8],[11] 5.25% [7],[8],[11] 5.25% [7],[8],[11]        
Interest rate 9.55% [2],[3],[5],[9] 9.55% [2],[3],[5],[9] 9.55% [2],[3],[5],[9] 9.58% [7],[8],[11],[16] 9.58% [7],[8],[11],[16] 9.58% [7],[8],[11],[16]        
Principal Amount or Par Value $ 318 [2],[3],[6],[9]     $ 319 [7],[8],[10],[11]            
Cost 318 [2],[3],[9]     319 [7],[8],[11]            
Fair Value 318 [2],[3],[9]     319 [7],[8],[11]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,120 [2],[3],[6],[9]     1,120 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,821 [2],[3],[6],[9]     4,821 [7],[8],[10],[11]            
Cost (26) [2],[3],[9]     (26) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.55% [2],[5],[12],[13] 9.55% [2],[5],[12],[13] 9.55% [2],[5],[12],[13] 9.58% [7],[14],[15],[16] 9.58% [7],[14],[15],[16] 9.58% [7],[14],[15],[16]        
Principal Amount or Par Value $ 34,628 [2],[6],[12],[13]     $ 34,719 [7],[10],[14],[15]            
Cost 34,576 [2],[12],[13]     34,663 [7],[14],[15]            
Fair Value $ 34,628 [2],[12],[13]     $ 34,719 [7],[14],[15]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[30] 5.25% [2],[30] 5.25% [2],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]        
Interest rate 9.55% [2],[5],[30] 9.55% [2],[5],[30] 9.55% [2],[5],[30] 9.58% [7],[16],[31] 9.58% [7],[16],[31] 9.58% [7],[16],[31]        
Principal Amount or Par Value $ 21,241 [2],[6],[30]     $ 21,297 [7],[10],[31]            
Cost 21,209 [2],[30]     21,263 [7],[31]            
Fair Value $ 21,241 [2],[30]     $ 21,297 [7],[31]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.55% [1],[2],[3],[5] 9.55% [1],[2],[3],[5] 9.55% [1],[2],[3],[5] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17]        
Principal Amount or Par Value $ 2,901 [1],[2],[3],[6]     $ 2,909 [7],[8],[10],[17]            
Cost 2,895 [1],[2],[3]     2,902 [7],[8],[17]            
Fair Value $ 2,901 [1],[2],[3]     $ 2,909 [7],[8],[17]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.50% [7],[14],[15] 4.50% [7],[14],[15] 4.50% [7],[14],[15]        
Interest rate 8.80% [2],[5],[12],[13] 8.80% [2],[5],[12],[13] 8.80% [2],[5],[12],[13] 8.83% [7],[14],[15],[16] 8.83% [7],[14],[15],[16] 8.83% [7],[14],[15],[16]        
Principal Amount or Par Value $ 1,087 [2],[6],[12],[13]     $ 1,090 [7],[10],[14],[15]            
Cost 1,081 [2],[12],[13]     1,083 [7],[14],[15]            
Fair Value $ 1,077 [2],[12],[13]     $ 1,080 [7],[14],[15]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11]       4.50% 4.50% 4.50%        
Interest rate [7],[8],[11],[16]       8.83% 8.83% 8.83%        
Principal Amount or Par Value [7],[8],[10],[11]       $ 1,806            
Cost [7],[8],[11]       1,779            
Fair Value [7],[8],[11]       $ 1,788            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 4.50% 4.50% 4.50%              
Interest rate [2],[3],[5],[9] 8.80% 8.80% 8.80%              
Principal Amount or Par Value [2],[3],[6],[9] $ 1,801                  
Cost [2],[3],[9] 1,775                  
Fair Value [2],[3],[9] $ 1,783                  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16]        
Principal Amount or Par Value $ 17,856 [2],[6],[12],[13]     $ 17,901 [7],[10],[14],[15]            
Cost 17,815 [2],[12],[13]     17,858 [7],[14],[15]            
Fair Value $ 17,856 [2],[12],[13]     $ 17,856 [7],[14],[15]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [7],[8],[11] 4.75% [7],[8],[11] 4.75% [7],[8],[11]        
Interest rate 9.05% [2],[3],[5],[9] 9.05% [2],[3],[5],[9] 9.05% [2],[3],[5],[9] 9.08% [7],[8],[11],[16] 9.08% [7],[8],[11],[16] 9.08% [7],[8],[11],[16]        
Principal Amount or Par Value $ 446 [2],[3],[6],[9]     $ 448 [7],[8],[10],[11]            
Cost 444 [2],[3],[9]     445 [7],[8],[11]            
Fair Value 446 [2],[3],[9]     446 [7],[8],[11]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,682 [2],[3],[6],[9]     1,682 [7],[8],[10],[11]            
Cost (4) [2],[3],[9]     (4) [7],[8],[11]            
Fair Value 0 [2],[3],[9]     (4) [7],[8],[11]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,038 [2],[3],[6],[9]     4,038 [7],[8],[10],[11]            
Cost (10) [2],[3],[9]     (10) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ (10) [7],[8],[11]            
Investment, Identifier [Axis]: Greenway Health, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [1],[2],[3] 6.75% [1],[2],[3] 6.75% [1],[2],[3] 6.75% [7],[8],[17] 6.75% [7],[8],[17] 6.75% [7],[8],[17]        
Interest rate 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.05% [1],[2],[3],[5] 11.08% [7],[8],[16],[17] 11.08% [7],[8],[16],[17] 11.08% [7],[8],[16],[17]        
Principal Amount or Par Value $ 6,286 [1],[2],[3],[6]     $ 6,302 [7],[8],[10],[17]            
Cost 6,210 [1],[2],[3]     6,221 [7],[8],[17]            
Fair Value $ 6,286 [1],[2],[3]     $ 6,302 [7],[8],[17]            
Investment, Identifier [Axis]: Groundworks, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [19]       3.25% 3.25% 3.25%        
Interest rate [16],[19]       7.65% 7.65% 7.65%        
Principal Amount or Par Value [10],[19]       $ 18,908            
Cost [19]       18,734            
Fair Value [19]       $ 19,034            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [11],[19]       3.25% 3.25% 3.25%        
Interest rate [11],[16],[19]       7.65% 7.65% 7.65%        
Principal Amount or Par Value [10],[11],[19]       $ 557            
Cost [11],[19]       552            
Fair Value [11],[19]       560            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [10],[11],[19]       2,938            
Cost [11],[19]       (15)            
Fair Value [11],[19]       $ 20            
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[20],[40] 4.00% 4.00% 4.00%              
Interest rate [2],[5],[40] 4.00% 4.00% 4.00%              
Cost [2],[40] $ 4,733                  
Fair Value [2],[40] $ 9,532                  
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[41]       4.00% 4.00% 4.00%        
Interest rate [7],[16],[41]       4.00% 4.00% 4.00%        
Cost [7],[41]       $ 4,717            
Fair Value [7],[41]       $ 9,532            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [30] 6.75% [30] 6.75% [30] 6.75% [31] 6.75% [31] 6.75% [31]        
Interest rate 11.14% [5],[30] 11.14% [5],[30] 11.14% [5],[30] 11.44% [16],[31] 11.44% [16],[31] 11.44% [16],[31]        
Principal Amount or Par Value $ 22,500 [6],[30]     $ 22,500 [10],[31]            
Cost 22,441 [30]     22,441 [31]            
Fair Value $ 16,313 [30]     $ 14,513 [31]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [12],[13] 6.75% [12],[13] 6.75% [12],[13] 6.75% [14],[15] 6.75% [14],[15] 6.75% [14],[15]        
Interest rate 11.14% [5],[12],[13] 11.14% [5],[12],[13] 11.14% [5],[12],[13] 11.44% [14],[15],[16] 11.44% [14],[15],[16] 11.44% [14],[15],[16]        
Principal Amount or Par Value $ 4,208 [6],[12],[13]     $ 4,208 [10],[14],[15]            
Cost 4,188 [12],[13]     4,188 [14],[15]            
Fair Value $ 3,051 [12],[13]     $ 2,714 [14],[15]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.55% [1],[2],[3],[5] 9.55% [1],[2],[3],[5] 9.55% [1],[2],[3],[5] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17] 9.58% [7],[8],[16],[17]        
Principal Amount or Par Value $ 5,056 [1],[2],[3],[6]     $ 5,069 [7],[8],[10],[17]            
Cost 5,013 [1],[2],[3]     5,025 [7],[8],[17]            
Fair Value 5,056 [1],[2],[3]     5,069 [7],[8],[17]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,229 [2],[3],[6],[9]     1,229 [7],[8],[10],[11]            
Cost (12) [2],[3],[9]     (12) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [1],[2],[3] 4.50% [1],[2],[3] 4.50% [1],[2],[3] 4.50% [7],[8],[17] 4.50% [7],[8],[17] 4.50% [7],[8],[17]        
Interest rate 8.83% [1],[2],[3],[5] 8.83% [1],[2],[3],[5] 8.83% [1],[2],[3],[5] 8.86% [7],[8],[16],[17] 8.86% [7],[8],[16],[17] 8.86% [7],[8],[16],[17]        
Principal Amount or Par Value $ 3,798 [1],[2],[3],[6]     $ 3,808 [7],[8],[10],[17]            
Cost 3,798 [1],[2],[3]     3,808 [7],[8],[17]            
Fair Value $ 3,798 [1],[2],[3]     $ 3,808 [7],[8],[17]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [7],[8],[11] 4.75% [7],[8],[11] 4.75% [7],[8],[11]        
Interest rate 9.07% [2],[3],[5],[9] 9.07% [2],[3],[5],[9] 9.07% [2],[3],[5],[9] 9.11% [7],[8],[11],[16] 9.11% [7],[8],[11],[16] 9.11% [7],[8],[11],[16]        
Principal Amount or Par Value $ 3,315 [2],[3],[6],[9]     $ 2,313 [7],[8],[10],[11]            
Cost 3,300 [2],[3],[9]     2,302 [7],[8],[11]            
Fair Value 3,315 [2],[3],[9]     2,313 [7],[8],[11]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,665 [2],[3],[6],[9]     5,676 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[3] 5.25% [1],[3] 5.25% [1],[3] 5.25% [8],[17] 5.25% [8],[17] 5.25% [8],[17]        
Interest rate 9.67% [1],[3],[5] 9.67% [1],[3],[5] 9.67% [1],[3],[5] 9.71% [8],[16],[17] 9.71% [8],[16],[17] 9.71% [8],[16],[17]        
Principal Amount or Par Value $ 14,447 [1],[3],[6]     $ 14,484 [8],[10],[17]            
Cost 14,091 [1],[3]     14,108 [8],[17]            
Fair Value 14,300 [1],[3]     14,291 [8],[17]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,780 [2],[3],[6],[9]     3,780 [7],[8],[10],[11]            
Cost (38) [2],[3],[9]     (38) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.29% [2],[5],[12],[13] 9.29% [2],[5],[12],[13] 9.29% [2],[5],[12],[13] 9.67% [7],[14],[15],[16] 9.67% [7],[14],[15],[16] 9.67% [7],[14],[15],[16]        
Principal Amount or Par Value $ 32,717 [2],[6],[12],[13]     $ 32,799 [7],[10],[14],[15]            
Cost 32,540 [2],[12],[13]     32,611 [7],[14],[15]            
Fair Value $ 32,717 [2],[12],[13]     $ 32,799 [7],[14],[15]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.29% [1],[2],[3],[5] 9.67% [7],[8],[16],[17] 9.67% [7],[8],[16],[17] 9.67% [7],[8],[16],[17]        
Principal Amount or Par Value $ 2,536 [1],[2],[3],[6]     $ 2,542 [7],[8],[10],[17]            
Cost 2,534 [1],[2],[3]     2,540 [7],[8],[17]            
Fair Value $ 2,536 [1],[2],[3]     $ 2,542 [7],[8],[17]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [1],[2],[3] 6.50% [7],[8],[17] 6.50% [7],[8],[17] 6.50% [7],[8],[17]        
Interest rate 10.79% [1],[2],[3],[5] 10.79% [1],[2],[3],[5] 10.79% [1],[2],[3],[5] 10.86% [7],[8],[16],[17] 10.86% [7],[8],[16],[17] 10.86% [7],[8],[16],[17]        
Principal Amount or Par Value $ 8,696 [1],[2],[3],[6]     $ 8,696 [7],[8],[10],[17]            
Cost 8,622 [1],[2],[3]     8,619 [7],[8],[17]            
Fair Value 8,696 [1],[2],[3]     8,696 [7],[8],[17]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 828 [2],[3],[6],[9]     828 [7],[8],[10],[11]            
Cost (8) [2],[3],[9]     (8) [7],[8],[11]            
Fair Value 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[19]       6.75% 6.75% 6.75%        
Interest rate [7],[16],[19]       11.47% 11.47% 11.47%        
Principal Amount or Par Value [7],[10],[19]       $ 15,091            
Cost [7],[19]       14,961            
Fair Value [7],[19]       $ 15,091            
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       6.75% 6.75% 6.75%        
Interest rate [7],[8],[16],[17]       11.47% 11.47% 11.47%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 2,012            
Cost [7],[8],[17]       2,006            
Fair Value [7],[8],[17]       2,012            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,827 [2],[3],[6],[9]     3,827 [7],[8],[10],[11]            
Cost (29) [2],[3],[9]     (29) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.75% 5.75% 5.75%        
Interest rate [7],[14],[15],[16]       10.21% 10.21% 10.21%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 18,372            
Cost [7],[14],[15]       18,291            
Fair Value [7],[14],[15]       $ 18,372            
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       5.75% 5.75% 5.75%        
Interest rate [7],[8],[16],[17]       10.21% 10.21% 10.21%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 7,764            
Cost [7],[8],[17]       7,713            
Fair Value [7],[8],[17]       $ 7,764            
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       7.50% 7.50% 7.50%        
Interest rate [7],[8],[16]       11.93% 11.93% 11.93%        
Principal Amount or Par Value [7],[8],[10]       $ 16,953            
Cost [7],[8]       16,795            
Fair Value [7],[8]       $ 16,953            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[17],[21],[24]       12.25% 12.25% 12.25%        
Interest rate [7],[8],[16],[17],[24]       16.58% 16.58% 16.58%        
Principal Amount or Par Value [7],[8],[10],[17],[24]       $ 7,091            
Cost [7],[8],[17],[24]       6,405            
Fair Value [7],[8],[17],[24]       $ 6,331            
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[24]       7.00% 7.00% 7.00%        
Interest rate [8],[16],[24]       11.46% 11.46% 11.46%        
Cost [8],[24]       $ 3,232            
Fair Value [8],[24]       $ 3,232            
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3] 7.00% 7.00% 7.00%              
Interest rate [2],[3],[5] 11.46% 11.46% 11.46%              
Principal Amount or Par Value [2],[3],[6] $ 3,232                  
Cost [2],[3] 3,232                  
Fair Value [2],[3] $ 3,232                  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[3],[9] 5.75% [2],[3],[9] 5.75% [2],[3],[9] 5.75% [7],[8],[11] 5.75% [7],[8],[11] 5.75% [7],[8],[11]        
Interest rate 10.16% [2],[3],[5],[9] 10.16% [2],[3],[5],[9] 10.16% [2],[3],[5],[9] 10.36% [7],[8],[11],[16] 10.36% [7],[8],[11],[16] 10.36% [7],[8],[11],[16]        
Principal Amount or Par Value $ 19 [2],[3],[6],[9]     $ 19 [7],[8],[10],[11]            
Cost 19 [2],[3],[9]     19 [7],[8],[11]            
Fair Value 18 [2],[3],[9]     18 [7],[8],[11]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,568 [2],[3],[6],[9]     1,568 [7],[8],[10],[11],[16]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ (45) [2],[3],[9]     $ (47) [7],[8],[11]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [7],[8],[17] 5.50% [7],[8],[17] 5.50% [7],[8],[17]        
Interest rate 9.89% [1],[2],[3],[5] 9.89% [1],[2],[3],[5] 9.89% [1],[2],[3],[5] 10.19% [7],[8],[16],[17] 10.19% [7],[8],[16],[17] 10.19% [7],[8],[16],[17]        
Principal Amount or Par Value $ 6,809 [1],[2],[3],[6]     $ 6,827 [7],[8],[10],[17]            
Cost 6,770 [1],[2],[3]     6,785 [7],[8],[17]            
Fair Value $ 6,591 [1],[2],[3]     $ 6,570 [7],[8],[17]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [7],[8],[17] 5.50% [7],[8],[17] 5.50% [7],[8],[17]        
Interest rate 9.91% [1],[2],[3],[5] 9.91% [1],[2],[3],[5] 9.91% [1],[2],[3],[5] 10.15% [7],[8],[16],[17] 10.15% [7],[8],[16],[17] 10.15% [7],[8],[16],[17]        
Principal Amount or Par Value $ 1,146 [1],[2],[3],[6]     $ 1,149 [7],[8],[10],[17]            
Cost 1,138 [1],[2],[3]     1,140 [7],[8],[17]            
Fair Value $ 1,109 [1],[2],[3]     $ 1,106 [7],[8],[17]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [1],[2],[3] 5.50% [7],[8],[17] 5.50% [7],[8],[17] 5.50% [7],[8],[17]        
Interest rate 9.89% [1],[2],[3],[5] 9.89% [1],[2],[3],[5] 9.89% [1],[2],[3],[5] 10.28% [7],[8],[16],[17] 10.28% [7],[8],[16],[17] 10.28% [7],[8],[16],[17]        
Principal Amount or Par Value $ 780 [1],[2],[3],[6]     $ 782 [7],[8],[10],[17]            
Cost 776 [1],[2],[3]     777 [7],[8],[17]            
Fair Value $ 755 [1],[2],[3]     $ 752 [7],[8],[17]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11],[17]       5.50% 5.50% 5.50%        
Interest rate [7],[8],[11],[16],[17]       9.83% 9.83% 9.83%        
Principal Amount or Par Value [7],[8],[10],[11],[17]       $ 973            
Cost [7],[8],[11],[17]       966            
Fair Value [7],[8],[11],[17]       $ 973            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11]       5.50% 5.50% 5.50%        
Interest rate [7],[8],[11],[16]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[8],[10],[11]       $ 751            
Cost [7],[8],[11]       746            
Fair Value [7],[8],[11]       751            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       2,865            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       2,888            
Cost [7],[8],[11]       (22)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Kaseya Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.50% 5.50% 5.50%        
Interest rate [7],[14],[15],[16]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 64,124            
Cost [7],[14],[15]       63,786            
Fair Value [7],[14],[15]       $ 64,124            
Investment, Identifier [Axis]: Kaseya Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17]       5.50% 5.50% 5.50%        
Interest rate [7],[8],[16],[17]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[8],[10],[17]       $ 238            
Cost [7],[8],[17]       237            
Fair Value [7],[8],[17]       238            
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[9] 4.50% 4.50% 4.50%              
Interest rate [1],[2],[3],[5],[9] 8.82% 8.82% 8.82%              
Principal Amount or Par Value [1],[2],[3],[6],[9] $ 180                  
Cost [1],[2],[3],[9] 179                  
Fair Value [1],[2],[3],[9] $ 180                  
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[30] 4.50% 4.50% 4.50%              
Interest rate [2],[5],[30] 8.82% 8.82% 8.82%              
Principal Amount or Par Value [2],[6],[30] $ 14,594                  
Cost [2],[30] 14,578                  
Fair Value [2],[30] $ 14,594                  
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[30] 4.50% 4.50% 4.50%              
Interest rate [2],[5],[30] 8.82% 8.82% 8.82%              
Principal Amount or Par Value [2],[6],[30] $ 1,261                  
Cost [2],[30] 1,254                  
Fair Value [2],[30] 1,261                  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,799            
Cost [7],[8],[11]       (9)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[31]       4.50% 4.50% 4.50%        
Interest rate [7],[16],[31]       8.84% 8.84% 8.84%        
Principal Amount or Par Value [7],[10],[31]       $ 14,635            
Cost [7],[31]       14,617            
Fair Value [7],[31]       $ 14,635            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[31]       4.50% 4.50% 4.50%        
Interest rate [7],[16],[31]       8.84% 8.84% 8.84%        
Principal Amount or Par Value [7],[10],[31]       $ 2,268            
Cost [7],[31]       2,254            
Fair Value [7],[31]       $ 2,268            
Investment, Identifier [Axis]: Kele Holdco, Inc.., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,619                  
Cost [2],[3],[9] (8)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Kene Acquisition, Inc, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 5.25% 5.25% 5.25%              
Interest rate [2],[3],[5],[9] 9.54% 9.54% 9.54%              
Principal Amount or Par Value [2],[3],[6],[9] $ 162                  
Cost [2],[3],[9] 160                  
Fair Value [2],[3],[9] $ 162                  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.54% [2],[5],[12],[13] 9.54% [2],[5],[12],[13] 9.54% [2],[5],[12],[13] 9.84% [7],[14],[15],[16] 9.84% [7],[14],[15],[16] 9.84% [7],[14],[15],[16]        
Principal Amount or Par Value $ 3,500 [2],[6],[12],[13]     $ 3,509 [7],[10],[14],[15]            
Cost 3,470 [2],[12],[13]     3,477 [7],[14],[15]            
Fair Value 3,500 [2],[12],[13]     $ 3,509 [7],[14],[15]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11]       5.25% 5.25% 5.25%        
Interest rate [7],[8],[11],[16]       9.59% 9.59% 9.59%        
Principal Amount or Par Value [7],[8],[10],[11]       $ 162            
Cost [7],[8],[11]       161            
Fair Value [7],[8],[11]       162            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,398 [2],[3],[6],[9]     1,398 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 468 [2],[3],[6],[9]     468 [7],[8],[10],[11]            
Cost (5) [2],[3],[9]     (5) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.75% [2],[3],[20] 10.75% [2],[3],[20] 10.75% [2],[3],[20] 10.75% [7],[8],[21],[42] 10.75% [7],[8],[21],[42] 10.75% [7],[8],[21],[42]        
Interest rate 15.03% [2],[3],[5] 15.03% [2],[3],[5] 15.03% [2],[3],[5] 15.03% [7],[8],[16],[42] 15.03% [7],[8],[16],[42] 15.03% [7],[8],[16],[42]        
Cost $ 13,143 [2],[3]     $ 20,819 [7],[8],[42]            
Fair Value $ 13,236 [2],[3]     $ 21,010 [7],[8],[42]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% [2],[20],[30] 2.75% [2],[20],[30] 2.75% [2],[20],[30] 2.75% [7],[21],[31] 2.75% [7],[21],[31] 2.75% [7],[21],[31]        
PIK 2.75% [2],[20],[30] 2.75% [2],[20],[30] 2.75% [2],[20],[30] 2.75% [7],[21],[31] 2.75% [7],[21],[31] 2.75% [7],[21],[31]        
Interest rate 9.83% [2],[5],[30] 9.83% [2],[5],[30] 9.83% [2],[5],[30] 10.02% [7],[16],[31] 10.02% [7],[16],[31] 10.02% [7],[16],[31]        
Principal Amount or Par Value $ 6,151 [2],[6],[30]     $ 6,124 [7],[10],[31]            
Cost 6,095 [2],[30]     6,065 [7],[31]            
Fair Value $ 6,090 [2],[30]     $ 6,062 [7],[31]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[3],[9] 5.00% [2],[3],[9] 5.00% [2],[3],[9] 5.00% [7],[8],[11] 5.00% [7],[8],[11] 5.00% [7],[8],[11]        
Interest rate 9.32% [2],[3],[5],[9] 9.32% [2],[3],[5],[9] 9.32% [2],[3],[5],[9] 9.41% [7],[8],[11],[16] 9.41% [7],[8],[11],[16] 9.41% [7],[8],[11],[16]        
Principal Amount or Par Value $ 333 [2],[3],[6],[9]     $ 72 [7],[8],[10],[11]            
Cost 329 [2],[3],[9]     71 [7],[8],[11]            
Fair Value 329 [2],[3],[9]     71 [7],[8],[11]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 358 [2],[6],[9],[30]     358 [10]            
Cost 0 [2],[9],[30]     0            
Fair Value (4) [2],[9],[30]     (4)            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 383 [2],[3],[6],[9]     644 [7],[8],[10],[11]            
Cost (4) [2],[3],[9]     (6) [7],[8],[11]            
Fair Value $ (4) [2],[3],[9]     $ (6) [7],[8],[11]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [2],[3] 7.50% [2],[3] 7.50% [2],[3] 7.50% [7],[8],[17] 7.50% [7],[8],[17] 7.50% [7],[8],[17]        
Interest rate 11.81% [2],[3],[5] 11.81% [2],[3],[5] 11.81% [2],[3],[5] 11.86% [7],[8],[16],[17] 11.86% [7],[8],[16],[17] 11.86% [7],[8],[16],[17]        
Principal Amount or Par Value $ 4,196 [2],[3],[6]     $ 4,196 [7],[8],[10],[17]            
Cost 4,140 [2],[3]     4,138 [7],[8],[17]            
Fair Value 4,127 [2],[3]     4,196 [7],[8],[17]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 420 [2],[3],[6],[9]     420 [7],[8],[10],[11]            
Cost (6) [2],[3],[9]     (6) [7],[8],[11]            
Fair Value $ (7) [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [2],[3],[9] 4.75% [7],[8],[11] 4.75% [7],[8],[11] 4.75% [7],[8],[11]        
Interest rate 9.05% [2],[3],[5],[9] 9.05% [2],[3],[5],[9] 9.05% [2],[3],[5],[9] 9.08% [7],[8],[11],[16] 9.08% [7],[8],[11],[16] 9.08% [7],[8],[11],[16]        
Principal Amount or Par Value $ 111 [2],[3],[6],[9]     $ 111 [7],[8],[10],[11]            
Cost 111 [2],[3],[9]     111 [7],[8],[11]            
Fair Value $ 111 [2],[3],[9]     111 [7],[8],[11]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,891            
Cost [7],[8],[11]       (9)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[30] 4.75% [2],[30] 4.75% [2],[30] 4.75% [7],[31] 4.75% [7],[31] 4.75% [7],[31]        
Interest rate 9.05% [2],[5],[30] 9.05% [2],[5],[30] 9.05% [2],[5],[30] 9.08% [7],[16],[31] 9.08% [7],[16],[31] 9.08% [7],[16],[31]        
Principal Amount or Par Value $ 21,373 [2],[6],[30]     $ 21,430 [7],[10],[31]            
Cost 21,345 [2],[30]     21,398 [7],[31]            
Fair Value $ 21,373 [2],[30]     $ 21,430 [7],[31]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [7],[8],[17] 4.75% [7],[8],[17] 4.75% [7],[8],[17]        
Interest rate 9.05% [1],[2],[3],[5] 9.05% [1],[2],[3],[5] 9.05% [1],[2],[3],[5] 9.08% [7],[8],[16],[17] 9.08% [7],[8],[16],[17] 9.08% [7],[8],[16],[17]        
Principal Amount or Par Value $ 7,571 [1],[2],[3],[6]     $ 7,591 [7],[8],[10],[17]            
Cost 7,561 [1],[2],[3]     7,580 [7],[8],[17]            
Fair Value $ 7,571 [1],[2],[3]     $ 7,591 [7],[8],[17]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16]        
Principal Amount or Par Value $ 4,509 [2],[6],[12],[13]     $ 4,521 [7],[10],[14],[15]            
Cost 4,509 [2],[12],[13]     4,516 [7],[14],[15]            
Fair Value $ 4,509 [2],[12],[13]     $ 4,521 [7],[14],[15]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16] 9.08% [7],[14],[15],[16]        
Principal Amount or Par Value $ 3,099 [2],[6],[12],[13]     $ 3,107 [7],[10],[14],[15]            
Cost 3,096 [2],[12],[13]     3,103 [7],[14],[15]            
Fair Value $ 3,099 [2],[12],[13]     $ 3,107 [7],[14],[15]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [1],[2],[3] 4.75% [7],[8],[17] 4.75% [7],[8],[17] 4.75% [7],[8],[17]        
Interest rate 9.05% [1],[2],[3],[5] 9.05% [1],[2],[3],[5] 9.05% [1],[2],[3],[5] 9.08% [7],[8],[16],[17] 9.08% [7],[8],[16],[17] 9.08% [7],[8],[16],[17]        
Principal Amount or Par Value $ 791 [1],[2],[3],[6]     $ 793 [7],[8],[10],[17]            
Cost 790 [1],[2],[3]     792 [7],[8],[17]            
Fair Value 791 [1],[2],[3]     $ 793 [7],[8],[17]            
Investment, Identifier [Axis]: MRI Software LLC., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,891                  
Cost [2],[3],[9] (9)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Michael Baker International, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[17]       4.75% 4.75% 4.75%        
Interest rate [8],[16],[17]       9.11% 9.11% 9.11%        
Principal Amount or Par Value [8],[10],[17]       $ 4,892            
Cost [8],[17]       4,869            
Fair Value [8],[17]       $ 4,910            
Investment, Identifier [Axis]: Model N, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[12],[13] 4.75% [2],[12],[13] 4.75% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.05% [2],[5],[12],[13] 9.33% [7],[14],[15],[16] 9.33% [7],[14],[15],[16] 9.33% [7],[14],[15],[16]        
Principal Amount or Par Value $ 44,107 [2],[6],[12],[13]     $ 44,218 [7],[10],[14],[15]            
Cost 43,904 [2],[12],[13]     44,008 [7],[14],[15]            
Fair Value 43,886 [2],[12],[13]     43,997 [7],[14],[15]            
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,825 [2],[3],[6],[9]     4,825 [7],[8],[10],[11],[16]            
Cost (24) [2],[3],[9]     (24) [7],[8],[11]            
Fair Value (24) [2],[3],[9]     (24) [7],[8],[11]            
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 9,047 [2],[3],[6],[9]     9,047 [7],[8],[10],[11],[16]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ (45) [2],[3],[9]     $ (45) [7],[8],[11]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.50% [2],[12],[13],[20] 2.50% [2],[12],[13],[20] 2.50% [2],[12],[13],[20] 2.50% [7],[14],[15],[21] 2.50% [7],[14],[15],[21] 2.50% [7],[14],[15],[21]        
PIK 2.75% [2],[12],[13],[20] 2.75% [2],[12],[13],[20] 2.75% [2],[12],[13],[20] 2.75% [7],[14],[15],[21] 2.75% [7],[14],[15],[21] 2.75% [7],[14],[15],[21]        
Interest rate 9.57% [2],[5],[12],[13] 9.57% [2],[5],[12],[13] 9.57% [2],[5],[12],[13] 9.61% [7],[14],[15],[16] 9.61% [7],[14],[15],[16] 9.61% [7],[14],[15],[16]        
Principal Amount or Par Value $ 5,879 [2],[6],[12],[13]     $ 5,853 [7],[10],[14],[15]            
Cost 5,851 [2],[12],[13]     5,825 [7],[14],[15]            
Fair Value 5,849 [2],[12],[13]     5,824 [7],[14],[15]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 669 [2],[3],[6],[9]     669 [7],[8],[10],[11]            
Cost (3) [2],[3],[9]     (3) [7],[8],[11]            
Fair Value (3) [2],[3],[9]     (3) [7],[8],[11]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,672 [2],[3],[6],[9]     1,672 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value (8) [2],[3],[9]     (8) [7],[8],[11]            
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,000 [2],[3],[43]     4,000 [7],[8],[44]            
Fair Value 0 [2],[3],[43]     0 [7],[8],[44]            
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,000 [2],[3],[43]     1,000 [7],[8],[44]            
Fair Value 0 [2],[3],[43]     0 [7],[8],[44]            
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 850 [2],[4],[45]     850 [7],[24],[46]            
Fair Value 383 [2],[4],[45]     322 [7],[24],[46]            
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 74,248 [2],[4],[45]     74,248 [7],[24],[46]            
Fair Value 105,211 [2],[4],[45]     104,512 [7],[24],[46]            
Investment, Identifier [Axis]: NM YI, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,272 [2],[45]     6,272 [7],[46]            
Fair Value $ 8,927 [2],[45]     $ 9,960 [7],[46]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [1],[2],[3] 6.09% [1],[2],[3] 6.09% [1],[2],[3] 6.09% [7],[8],[17] 6.09% [7],[8],[17] 6.09% [7],[8],[17]        
Interest rate 10.55% [1],[2],[3],[5] 10.55% [1],[2],[3],[5] 10.55% [1],[2],[3],[5] 10.85% [7],[8],[16],[17] 10.85% [7],[8],[16],[17] 10.85% [7],[8],[16],[17]        
Principal Amount or Par Value $ 19,259 [1],[2],[3],[6]     $ 19,259 [7],[8],[10],[17]            
Cost 19,116 [1],[2],[3]     19,106 [7],[8],[17]            
Fair Value $ 19,259 [1],[2],[3]     $ 19,259 [7],[8],[17]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [1],[2],[3] 6.09% [1],[2],[3] 6.09% [1],[2],[3] 6.09% [7],[8],[17] 6.09% [7],[8],[17] 6.09% [7],[8],[17]        
Interest rate 10.55% [1],[2],[3],[5] 10.55% [1],[2],[3],[5] 10.55% [1],[2],[3],[5] 10.69% [7],[8],[16],[17] 10.69% [7],[8],[16],[17] 10.69% [7],[8],[16],[17]        
Principal Amount or Par Value $ 5,012 [1],[2],[3],[6]     $ 5,012 [7],[8],[10],[17]            
Cost 4,997 [1],[2],[3]     4,996 [7],[8],[17]            
Fair Value $ 5,012 [1],[2],[3]     $ 5,012 [7],[8],[17]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [2],[12],[13] 6.09% [2],[12],[13] 6.09% [2],[12],[13] 6.09% [7],[14],[15] 6.09% [7],[14],[15] 6.09% [7],[14],[15]        
Interest rate 10.55% [2],[5],[12],[13] 10.55% [2],[5],[12],[13] 10.55% [2],[5],[12],[13] 10.85% [7],[14],[15],[16] 10.85% [7],[14],[15],[16] 10.85% [7],[14],[15],[16]        
Principal Amount or Par Value $ 4,913 [2],[6],[12],[13]     $ 4,913 [7],[10],[14],[15]            
Cost 4,876 [2],[12],[13]     4,874 [7],[14],[15]            
Fair Value 4,913 [2],[12],[13]     4,913 [7],[14],[15]            
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 160,000 [2],[3],[4]     160,000 [7],[8],[24]            
Fair Value 160,000 [2],[3],[4]     160,000 [7],[8],[24]            
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 112,400 [2],[3],[4]     112,400 [7],[8],[24]            
Fair Value $ 112,400 [2],[3],[4]     $ 112,400 [7],[8],[24]            
Investment, Identifier [Axis]: National HME, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 5.00% [2],[3],[20],[43] 5.00% [2],[3],[20],[43] 5.00% [2],[3],[20],[43] 5.00% [7],[8],[21],[44] 5.00% [7],[8],[21],[44] 5.00% [7],[8],[21],[44]        
Interest rate 9.57% [2],[3],[5],[43] 9.57% [2],[3],[5],[43] 9.57% [2],[3],[5],[43] 9.85% [7],[8],[16],[44] 9.85% [7],[8],[16],[44] 9.85% [7],[8],[16],[44]        
Principal Amount or Par Value $ 8,281 [2],[3],[6],[43]     $ 8,281 [7],[8],[10],[44]            
Cost 7,872 [2],[3],[43]     7,871 [7],[8],[44]            
Fair Value $ 3,000 [2],[3],[43]     $ 3,000 [7],[8],[44]            
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche A Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche B Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% 6.00% 6.00% 6.00% 6.00% 6.00%        
Investment, Identifier [Axis]: Nelipak Holding Company First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       $ 17,109            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       406            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       6,638            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       $ 833            
Investment, Identifier [Axis]: Nelipak Holding Company, Drawn Revolver                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 226                  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3],[9],[47] 5.50% [1],[2],[3],[9],[47] 5.50% [1],[2],[3],[9],[47] 5.50% [7],[8],[11],[17],[48] 5.50% [7],[8],[11],[17],[48] 5.50% [7],[8],[11],[17],[48]        
Interest rate 9.82% [1],[2],[3],[5],[9],[47] 9.82% [1],[2],[3],[5],[9],[47] 9.82% [1],[2],[3],[5],[9],[47] 9.86% [7],[8],[11],[16],[17],[48] 9.86% [7],[8],[11],[16],[17],[48] 9.86% [7],[8],[11],[16],[17],[48]        
Principal Amount or Par Value $ 1,306 [1],[2],[3],[6],[9],[47]     $ 1,097 [7],[8],[10],[11],[17],[48]            
Cost 1,296 [1],[2],[3],[9],[47]     1,089 [7],[8],[11],[17],[48]            
Fair Value $ 1,306 [1],[2],[3],[9],[47]     $ 1,097 [7],[8],[11],[17],[48]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[8],[11] 5.50% [7],[8],[11] 5.50% [7],[8],[11]        
Interest rate 7.88% [2],[3],[5],[9] 7.88% [2],[3],[5],[9] 7.88% [2],[3],[5],[9] 8.32% [7],[8],[11],[16] 8.32% [7],[8],[11],[16] 8.32% [7],[8],[11],[16]        
Principal Amount or Par Value   € 209 [2],[3],[6],[9]   $ 392 [7],[8],[10],[11]            
Cost $ 224 [2],[3],[9]     406 [7],[8],[11]            
Fair Value 226 [2],[3],[9]     405 [7],[8],[11]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,501 [2],[3],[6],[9]     3,501 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value   6,411 [1],[2],[3],[6],[9],[47]   6,411 [7],[8],[10],[11],[17],[48]            
Cost 0 [1],[2],[3],[9],[47]     0 [7],[8],[11],[17],[48]            
Fair Value 0 [1],[2],[3],[9],[47]     0 [7],[8],[11],[17],[48]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value   € 987 [1],[2],[3],[6],[9],[47]   804 [7],[8],[10],[11],[17],[48]            
Cost (7) [1],[2],[3],[9],[47]     (6) [7],[8],[11],[17],[48]            
Fair Value 0 [1],[2],[3],[9],[47]     0 [7],[8],[11],[17],[48]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,306 [2],[3],[6],[9]     1,515 [7],[8],[10],[11]            
Cost (10) [2],[3],[9]     (11) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [1],[2],[3],[47] 5.50% [1],[2],[3],[47] 5.50% [1],[2],[3],[47] 5.50% [7],[8],[17],[48] 5.50% [7],[8],[17],[48] 5.50% [7],[8],[17],[48]        
Interest rate 7.86% [1],[2],[3],[5],[47] 7.86% [1],[2],[3],[5],[47] 7.86% [1],[2],[3],[5],[47] 8.36% [7],[8],[16],[17],[48] 8.36% [7],[8],[16],[17],[48] 8.36% [7],[8],[16],[17],[48]        
Principal Amount or Par Value $ 17,830 € 16,482 [1],[2],[3],[6],[47]     € 16,523 [7],[8],[10],[17],[48]          
Cost 17,735 [1],[2],[3],[47]     $ 17,776 [7],[8],[17],[48]            
Fair Value $ 17,830 [1],[2],[3],[47]     $ 17,108 [7],[8],[17],[48]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[12],[13] 5.50% [2],[12],[13] 5.50% [2],[12],[13] 5.50% [7],[14],[15] 5.50% [7],[14],[15] 5.50% [7],[14],[15]        
Interest rate 9.80% [2],[5],[12],[13] 9.80% [2],[5],[12],[13] 9.80% [2],[5],[12],[13] 9.86% [7],[14],[15],[16] 9.86% [7],[14],[15],[16] 9.86% [7],[14],[15],[16]        
Principal Amount or Par Value $ 9,001 [2],[6],[12],[13]     $ 9,023 [7],[10],[14],[15]            
Cost 8,940 [2],[12],[13]     8,961 [7],[14],[15]            
Fair Value 9,001 [2],[12],[13]     $ 9,023 [7],[14],[15]            
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Delayed Draw Term Loan                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 6,935                  
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Revolver                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 1,068                  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [1],[2],[3],[13],[20] 12.00% [1],[2],[3],[13],[20] 12.00% [1],[2],[3],[13],[20] 12.00% [7],[15],[21] 12.00% [7],[15],[21] 12.00% [7],[15],[21]        
Interest rate 12.00% [2],[5],[13] 12.00% [2],[5],[13] 12.00% [2],[5],[13] 12.00% [7],[15],[16] 12.00% [7],[15],[16] 12.00% [7],[15],[16]        
Principal Amount or Par Value $ 47,496 [2],[6],[13]     $ 46,068 [7],[10],[15]            
Cost 47,496 [2],[13]     46,068 [7],[15]            
Fair Value $ 47,496 [2],[13]     $ 46,068 [7],[15]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[17],[21]       12.00% 12.00% 12.00%        
Interest rate 12.00% [1],[2],[3],[5] 12.00% [1],[2],[3],[5] 12.00% [1],[2],[3],[5] 12.00% [7],[8],[16],[17] 12.00% [7],[8],[16],[17] 12.00% [7],[8],[16],[17]        
Principal Amount or Par Value $ 36,948 [1],[2],[3],[6]     $ 33,155 [7],[8],[10],[17]            
Cost 36,948 [1],[2],[3]     33,155 [7],[8],[17]            
Fair Value $ 36,948 [1],[2],[3]     $ 33,155 [7],[8],[17]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21]       12.00% 12.00% 12.00%        
Interest rate 12.00% [2],[3],[5] 12.00% [2],[3],[5] 12.00% [2],[3],[5] 12.00% [7],[8],[16] 12.00% [7],[8],[16] 12.00% [7],[8],[16]        
Principal Amount or Par Value $ 24,535 [2],[3],[6]     $ 23,814 [7],[8],[10]            
Cost 23,776 [2],[3]     22,942 [7],[8]            
Fair Value 19,628 [2],[3]     19,051 [7],[8]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 27,154 [2],[13]     27,154 [7],[15]            
Fair Value 27,697 [2],[13]     28,481 [7],[15]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,768 [2],[3]     12,768 [7],[8]            
Fair Value 12,980 [2],[3]     13,347 [7],[8]            
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,155 [2],[3]     11,155 [7],[8]            
Fair Value $ 16,000 [2],[3]     $ 18,900 [7],[8]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 9.00% [1],[2],[3] 9.00% [1],[2],[3] 9.00% [1],[2],[3] 9.00% [7],[8],[17] 9.00% [7],[8],[17] 9.00% [7],[8],[17]        
Interest rate 13.56% [1],[2],[3],[5] 13.56% [1],[2],[3],[5] 13.56% [1],[2],[3],[5] 13.59% [7],[8],[16],[17] 13.59% [7],[8],[16],[17] 13.59% [7],[8],[16],[17]        
Principal Amount or Par Value $ 23,336 [1],[2],[3],[6]     $ 23,336 [7],[8],[10],[17]            
Cost 23,336 [1],[2],[3]     23,336 [7],[8],[17]            
Fair Value $ 23,336 [1],[2],[3]     $ 23,336 [7],[8],[17]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [1],[2],[3],[9] 6.00% [1],[2],[3],[9] 6.00% [1],[2],[3],[9] 6.00% [7],[8],[11],[17] 6.00% [7],[8],[11],[17] 6.00% [7],[8],[11],[17]        
Interest rate 10.56% [1],[2],[3],[5],[9] 10.56% [1],[2],[3],[5],[9] 10.56% [1],[2],[3],[5],[9] 10.59% [7],[8],[11],[16],[17] 10.59% [7],[8],[11],[16],[17] 10.59% [7],[8],[11],[16],[17]        
Principal Amount or Par Value $ 22,184 [1],[2],[3],[6],[9]     $ 20,840 [7],[8],[10],[11],[17]            
Cost 22,184 [1],[2],[3],[9]     20,840 [7],[8],[11],[17]            
Fair Value 22,184 [1],[2],[3],[9]     20,840 [7],[8],[11],[17]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 9,710 [2],[3],[6],[9]     1,055 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]        
Interest rate 9.55% [2],[5],[12],[13] 9.55% [2],[5],[12],[13] 9.55% [2],[5],[12],[13] 10.27% [7],[14],[15],[16] 10.27% [7],[14],[15],[16] 10.27% [7],[14],[15],[16]        
Principal Amount or Par Value $ 6,312 [2],[6],[12],[13]     $ 3,494 [7],[10],[14],[15]            
Cost 6,276 [2],[12],[13]     3,471 [7],[14],[15]            
Fair Value 6,312 [2],[12],[13]     3,494 [7],[14],[15]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       903            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       339            
Cost [7],[8],[11]       (3)            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 903                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 339                  
Cost [2],[3],[9] (3)                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 646 [2],[3],[6],[9]     880 [7],[8],[10],[11],[16]            
Cost (5) [2],[3],[9]     (7) [7],[8],[11]            
Fair Value $ (99) [2],[3],[9]     $ (71) [7],[8],[11]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21]        
PIK 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21]        
Interest rate 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17]        
Principal Amount or Par Value $ 10,096 [1],[2],[3],[6]     $ 10,058 [7],[8],[10],[17]            
Cost 10,058 [1],[2],[3]     10,017 [7],[8],[17]            
Fair Value $ 8,553 [1],[2],[3]     $ 9,241 [7],[8],[17]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21]        
PIK 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21]        
Interest rate 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17]        
Principal Amount or Par Value $ 9,970 [1],[2],[3],[6]     $ 9,932 [7],[8],[10],[17]            
Cost 9,930 [1],[2],[3]     9,889 [7],[8],[17]            
Fair Value $ 8,446 [1],[2],[3]     $ 9,126 [7],[8],[17]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [1],[2],[3],[20] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21] 4.75% [7],[8],[17],[21]        
PIK 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [1],[2],[3],[20] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21] 2.50% [7],[8],[17],[21]        
Interest rate 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.71% [1],[2],[3],[5] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17] 11.91% [7],[8],[16],[17]        
Principal Amount or Par Value $ 880 [1],[2],[3],[6]     $ 877 [7],[8],[10],[17]            
Cost 874 [1],[2],[3]     870 [7],[8],[17]            
Fair Value $ 745 [1],[2],[3]     805 [7],[8],[17]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 6.75% 6.75% 6.75%              
Interest rate [2],[3],[5],[9] 11.21% 11.21% 11.21%              
Principal Amount or Par Value [2],[3],[6],[9] $ 235                  
Cost [2],[3],[9] 233                  
Fair Value [2],[3],[9] 199                  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,600 [2],[3],[6],[9]     3,600 [7],[8],[10],[11],[49]            
Cost (36) [2],[3],[9]     (36) [7],[8],[11],[49]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11],[49]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16]        
Principal Amount or Par Value $ 31,434 [2],[6],[12],[13]     $ 31,513 [7],[10],[14],[15]            
Cost 31,367 [2],[12],[13]     31,442 [7],[14],[15]            
Fair Value $ 31,434 [2],[12],[13]     $ 31,513 [7],[14],[15]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16]        
Principal Amount or Par Value $ 27,355 [2],[6],[12],[13]     $ 27,425 [7],[10],[14],[15]            
Cost 27,188 [2],[12],[13]     27,248 [7],[14],[15]            
Fair Value $ 27,355 [2],[12],[13]     $ 27,425 [7],[14],[15]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.50% [2],[12],[13] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]        
Interest rate 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 8.82% [2],[5],[12],[13] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16] 9.11% [7],[14],[15],[16]        
Principal Amount or Par Value $ 1,732 [2],[6],[12],[13]     $ 1,736 [7],[10],[14],[15]            
Cost 1,721 [2],[12],[13]     1,724 [7],[14],[15]            
Fair Value 1,732 [2],[12],[13]     1,736 [7],[14],[15]            
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,000 [2],[3],[50]     2,000 [7],[8],[49]            
Fair Value $ 14,980 [2],[3],[50]     $ 7,646 [7],[8],[49]            
Investment, Identifier [Axis]: OEConnection LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[14],[15]       5.00% 5.00% 5.00%        
Interest rate [7],[14],[15],[16]       9.36% 9.36% 9.36%        
Principal Amount or Par Value [7],[10],[14],[15]       $ 46,430            
Cost [7],[14],[15]       46,214            
Fair Value [7],[14],[15]       46,430            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       8,101            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       5,063            
Cost [7],[8],[11]       (25)            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: OEConnection LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[12],[13] 5.00% 5.00% 5.00%              
Interest rate [2],[5],[12],[13] 9.32% 9.32% 9.32%              
Principal Amount or Par Value [2],[6],[12],[13] $ 46,313                  
Cost [2],[12],[13] 46,104                  
Fair Value [2],[12],[13] $ 46,313                  
Investment, Identifier [Axis]: OEConnection LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.00% 5.00% 5.00%              
Interest rate [1],[2],[3],[5] 9.32% 9.32% 9.32%              
Principal Amount or Par Value [1],[2],[3],[6] $ 8,081                  
Cost [1],[2],[3] 8,041                  
Fair Value [1],[2],[3] 8,081                  
Investment, Identifier [Axis]: OEConnection LLC., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 5,063                  
Cost [2],[3],[9] (25)                  
Fair Value [2],[3],[9] 0                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,860 [2],[3],[6],[9]     1,860 [7],[8],[10],[11]            
Cost (23) [2],[3],[9]     (23) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [1],[2],[3] 7.75% [1],[2],[3] 7.75% [1],[2],[3] 7.75% [7],[14],[15] 7.75% [7],[14],[15] 7.75% [7],[14],[15]        
Interest rate 12.04% [1],[2],[3],[5] 12.04% [1],[2],[3],[5] 12.04% [1],[2],[3],[5] 12.32% [7],[14],[15],[16] 12.32% [7],[14],[15],[16] 12.32% [7],[14],[15],[16]        
Principal Amount or Par Value $ 14,880 [1],[2],[3],[6]     $ 7,440 [7],[10],[14],[15]            
Cost 14,745 [1],[2],[3]     7,370 [7],[14],[15]            
Fair Value $ 14,880 [1],[2],[3]     $ 7,440 [7],[14],[15]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [1],[2],[3] 7.25% [1],[2],[3] 7.25% [1],[2],[3] 7.75% [7],[8] 7.75% [7],[8] 7.75% [7],[8]        
Interest rate 11.54% [1],[2],[3],[5] 11.54% [1],[2],[3],[5] 11.54% [1],[2],[3],[5] 12.32% [7],[8],[16] 12.32% [7],[8],[16] 12.32% [7],[8],[16]        
Principal Amount or Par Value $ 5,454 [1],[2],[3],[6]     $ 7,440 [7],[8],[10]            
Cost 5,407 [1],[2],[3]     7,369 [7],[8]            
Fair Value $ 5,454 [1],[2],[3]     $ 7,440 [7],[8]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       7.25% 7.25% 7.25%        
Interest rate [7],[8],[16]       11.82% 11.82% 11.82%        
Principal Amount or Par Value [7],[8],[10]       $ 5,454            
Cost [7],[8]       5,404            
Fair Value [7],[8]       $ 5,454            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[19]       5.50% 5.50% 5.50%        
Interest rate [7],[16],[19]       10.09% 10.09% 10.09%        
Principal Amount or Par Value [7],[10],[19]       $ 18,161            
Cost [7],[19]       18,078            
Fair Value [7],[19]       $ 18,161            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [2],[3],[9] 5.50% [7],[11],[19] 5.50% [7],[11],[19] 5.50% [7],[11],[19]        
Interest rate 9.79% [2],[3],[5],[9] 9.79% [2],[3],[5],[9] 9.79% [2],[3],[5],[9] 10.00% [7],[11],[16],[19] 10.00% [7],[11],[16],[19] 10.00% [7],[11],[16],[19]        
Principal Amount or Par Value $ 244 [2],[3],[6],[9]     $ 2,360 [7],[10],[11],[19]            
Cost 243 [2],[3],[9]     2,348 [7],[11],[19]            
Fair Value 244 [2],[3],[9]     2,360 [7],[11],[19]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,586 [2],[3],[6],[9]     1,865 [7],[10],[11],[19]            
Cost (8) [2],[3],[9]     0 [7],[11],[19]            
Fair Value 0 [2],[3],[9]     0 [7],[11],[19]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,865 [2],[6],[9],[18]     1,830 [7],[8],[10],[11]            
Cost 0 [2],[9],[18]     (9) [7],[8],[11]            
Fair Value $ 0 [2],[9],[18]     0 [7],[8],[11]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[18] 5.50% 5.50% 5.50%              
Interest rate [2],[5],[18] 9.79% 9.79% 9.79%              
Principal Amount or Par Value [2],[6],[18] $ 20,469                  
Cost [2],[18] 20,378                  
Fair Value [2],[18] $ 20,469                  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3] 5.50% 5.50% 5.50%              
Interest rate [1],[2],[3],[5] 9.79% 9.79% 9.79%              
Principal Amount or Par Value [1],[2],[3],[6] $ 513                  
Cost [1],[2],[3] 513                  
Fair Value [1],[2],[3] 513                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 486 [2],[3],[6],[9]     486 [7],[8],[10],[11]            
Cost (5) [2],[3],[9]     (5) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[18] 5.75% [2],[18] 5.75% [2],[18] 5.75% [7],[19] 5.75% [7],[19] 5.75% [7],[19]        
Interest rate 10.06% [2],[5],[18] 10.06% [2],[5],[18] 10.06% [2],[5],[18] 10.26% [7],[16],[19] 10.26% [7],[16],[19] 10.26% [7],[16],[19]        
Principal Amount or Par Value $ 22,331 [2],[6],[18]     $ 22,388 [7],[10],[19]            
Cost 22,279 [2],[18]     22,332 [7],[19]            
Fair Value $ 22,331 [2],[18]     $ 22,388 [7],[19]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]        
Interest rate 10.06% [2],[5],[12],[13] 10.06% [2],[5],[12],[13] 10.06% [2],[5],[12],[13] 10.26% [7],[14],[15],[16] 10.26% [7],[14],[15],[16] 10.26% [7],[14],[15],[16]        
Principal Amount or Par Value $ 8,238 [2],[6],[12],[13]     $ 8,258 [7],[10],[14],[15]            
Cost 8,238 [2],[12],[13]     8,258 [7],[14],[15]            
Fair Value $ 8,238 [2],[12],[13]     $ 8,258 [7],[14],[15]            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [2],[3] 0.00% [2],[3] 0.00% [2],[3] 0.00% [7],[8] 0.00% [7],[8] 0.00% [7],[8]        
Interest rate 0.00% [2],[3],[5] 0.00% [2],[3],[5] 0.00% [2],[3],[5] 0.00% [7],[8],[16] 0.00% [7],[8],[16] 0.00% [7],[8],[16]        
Principal Amount or Par Value $ 14,500 [2],[3],[6]     $ 14,500 [7],[8],[10]           $ 20,000
Cost 14,500 [2],[3]     14,500 [7],[8]            
Fair Value $ 6,525 [2],[3]     $ 6,525 [7],[8]            
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [26],[51] 0.00% [26],[51] 0.00% [26],[51] 0.00% [52],[53] 0.00% [52],[53] 0.00% [52],[53]        
Interest rate 0.00% [5],[26],[51] 0.00% [5],[26],[51] 0.00% [5],[26],[51] 0.00% [16],[52],[53] 0.00% [16],[52],[53] 0.00% [16],[52],[53]        
Principal Amount or Par Value $ 0 [6],[26],[51]     $ 0 [10],[52],[53]            
Cost 0 [26],[51]     0 [52],[53]            
Fair Value $ 0 [26],[51]     $ 0 [52],[53]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.54% [2],[5],[12],[13] 9.54% [2],[5],[12],[13] 9.54% [2],[5],[12],[13] 9.61% [7],[14],[15],[16] 9.61% [7],[14],[15],[16] 9.61% [7],[14],[15],[16]        
Principal Amount or Par Value $ 7,635 [2],[6],[12],[13]     $ 7,654 [7],[10],[14],[15]            
Cost 7,617 [2],[12],[13]     7,635 [7],[14],[15]            
Fair Value $ 7,616 [2],[12],[13]     $ 7,635 [7],[14],[15]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[11],[17]       5.25% 5.25% 5.25%        
Interest rate [7],[8],[11],[16],[17]       9.80% 9.80% 9.80%        
Principal Amount or Par Value [7],[8],[10],[11],[17]       $ 258            
Cost [7],[8],[11],[17]       258            
Fair Value [7],[8],[11],[17]       258            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[3],[9] 5.25% 5.25% 5.25%              
Interest rate [2],[3],[5],[9] 9.57% 9.57% 9.57%              
Principal Amount or Par Value [2],[3],[6],[9] $ 617                  
Cost [2],[3],[9] 615                  
Fair Value [2],[3],[9] $ 615                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[9] 5.25% 5.25% 5.25%              
Interest rate [1],[2],[3],[5],[9] 9.57% 9.57% 9.57%              
Principal Amount or Par Value [1],[2],[3],[6],[9] $ 210                  
Cost [1],[2],[3],[9] 210                  
Fair Value [1],[2],[3],[9] 210                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 583 [2],[3],[6],[9]     643 [7],[8],[10],[11]            
Cost (1) [2],[3],[9]     (2) [7],[8],[11]            
Fair Value (1) [2],[3],[9]     (2) [7],[8],[11]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 691 [2],[3],[6],[9]     1,201 [7],[8],[10],[11]            
Cost (2) [2],[3],[9]     (3) [7],[8],[11]            
Fair Value $ (2) [2],[3],[9]     $ (3) [7],[8],[11]            
Investment, Identifier [Axis]: Permian Trust, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [2],[3],[20] 10.00% [2],[3],[20] 10.00% [2],[3],[20] 10.00% [7],[8],[21],[52] 10.00% [7],[8],[21],[52] 10.00% [7],[8],[21],[52]        
Interest rate 11.00% [2],[3],[5] 11.00% [2],[3],[5] 11.00% [2],[3],[5] 11.00% [7],[8],[16],[52] 11.00% [7],[8],[16],[52] 11.00% [7],[8],[16],[52]        
Principal Amount or Par Value $ 3,409 [2],[3],[6]     $ 3,409 [7],[8],[10],[52]            
Cost 0 [2],[3]     0 [7],[8],[52]            
Fair Value $ 0 [2],[3]     $ 0 [7],[8],[52]            
Investment, Identifier [Axis]: Permian Trust, Trust Claim                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [2],[20],[54] 10.00% [2],[20],[54] 10.00% [2],[20],[54] 10.00% [7],[21],[52],[55] 10.00% [7],[21],[52],[55] 10.00% [7],[21],[52],[55]        
Interest rate 10.00% [2],[5],[54] 10.00% [2],[5],[54] 10.00% [2],[5],[54] 10.00% [7],[16],[52],[55] 10.00% [7],[16],[52],[55] 10.00% [7],[16],[52],[55]        
Principal Amount or Par Value $ 247 [2],[6],[54]     $ 247 [7],[10],[52],[55]            
Cost 0 [2],[54]     0 [7],[52],[55]            
Fair Value $ 0 [2],[54]     $ 0 [7],[52],[55]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.00% [7],[14],[15] 6.00% [7],[14],[15] 6.00% [7],[14],[15]        
Interest rate 10.32% [1],[2],[3],[5] 10.32% [1],[2],[3],[5] 10.32% [1],[2],[3],[5] 10.36% [7],[14],[15],[16] 10.36% [7],[14],[15],[16] 10.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 28,074 [1],[2],[3],[6]     $ 28,145 [7],[10],[14],[15]            
Cost 27,833 [1],[2],[3]     27,895 [7],[14],[15]            
Fair Value 27,614 [1],[2],[3]     28,145 [7],[14],[15]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,708 [2],[3],[6],[9]     3,708 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value (61) [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,708 [2],[3],[6],[9]     3,708 [7],[8],[10],[11]            
Cost (37) [2],[3],[9]     (37) [7],[8],[11]            
Fair Value $ (61) [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11],[56]       3,284            
Cost [7],[8],[11],[56]       (26)            
Fair Value [7],[8],[11],[56]       $ 0            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.50% [7],[8],[17] 6.50% [7],[8],[17] 6.50% [7],[8],[17]        
Interest rate 10.30% [1],[2],[3],[5] 10.30% [1],[2],[3],[5] 10.30% [1],[2],[3],[5] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17]        
Principal Amount or Par Value $ 23,089 [1],[2],[3],[6]     $ 23,089 [7],[8],[10],[17]            
Cost 23,002 [1],[2],[3]     22,997 [7],[8],[17]            
Fair Value $ 23,089 [1],[2],[3]     $ 23,089 [7],[8],[17]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.00% [1],[2],[3] 6.50% [7],[8],[17] 6.50% [7],[8],[17] 6.50% [7],[8],[17]        
Interest rate 10.30% [1],[2],[3],[5] 10.30% [1],[2],[3],[5] 10.30% [1],[2],[3],[5] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17] 10.83% [7],[8],[16],[17]        
Principal Amount or Par Value $ 2,374 [1],[2],[3],[6]     $ 2,374 [7],[8],[10],[17]            
Cost 2,364 [1],[2],[3]     2,364 [7],[8],[17]            
Fair Value 2,374 [1],[2],[3]     2,374 [7],[8],[17]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9],[57] 3,284                  
Cost [2],[3],[9],[57] (26)                  
Fair Value [2],[3],[9],[57] 0                  
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,000 [2],[57],[58]     2,000 [7],[56],[59]            
Fair Value $ 2,000 [2],[57],[58]     $ 2,000 [7],[56],[59]            
Investment, Identifier [Axis]: Planview Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[3] 5.75% [1],[3] 5.75% [1],[3] 5.75% [14],[15] 5.75% [14],[15] 5.75% [14],[15]        
Interest rate 10.05% [1],[3],[5] 10.05% [1],[3],[5] 10.05% [1],[3],[5] 10.08% [14],[15],[16] 10.08% [14],[15],[16] 10.08% [14],[15],[16]        
Principal Amount or Par Value $ 9,231 [1],[3],[6]     $ 9,231 [10],[14],[15]            
Cost 9,209 [1],[3]     9,208 [14],[15]            
Fair Value $ 9,196 [1],[3]     $ 9,208 [14],[15]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[18] 4.75% [2],[18] 4.75% [2],[18] 4.75% [7],[19] 4.75% [7],[19] 4.75% [7],[19]        
Interest rate 9.05% [2],[5],[18] 9.05% [2],[5],[18] 9.05% [2],[5],[18] 9.08% [7],[16],[19] 9.08% [7],[16],[19] 9.08% [7],[16],[19]        
Principal Amount or Par Value $ 22,331 [2],[6],[18]     $ 22,387 [7],[10],[19]            
Cost 22,177 [2],[18]     22,228 [7],[19]            
Fair Value 22,331 [2],[18]     22,387 [7],[19]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,289 [2],[3],[6],[9]     4,289 [7],[8],[10],[11]            
Cost (43) [2],[3],[9]     (43) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[30] 5.25% [2],[30] 5.25% [2],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]        
Interest rate 9.57% [2],[5],[30] 9.57% [2],[5],[30] 9.57% [2],[5],[30] 9.61% [7],[16],[31] 9.61% [7],[16],[31] 9.61% [7],[16],[31]        
Principal Amount or Par Value $ 10,493 [2],[6],[30]     $ 10,519 [7],[10],[31]            
Cost 10,446 [2],[30]     10,470 [7],[31]            
Fair Value 10,493 [2],[30]     10,519 [7],[31]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       1,510            
Cost [7],[8],[11]       (8)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 1,510                  
Cost [2],[3],[9] (8)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 9.50% [2],[3],[20] 9.50% [2],[3],[20] 9.50% [2],[3],[20] 9.50% [7],[8],[21] 9.50% [7],[8],[21] 9.50% [7],[8],[21]        
Interest rate 13.95% [2],[3],[5] 13.95% [2],[3],[5] 13.95% [2],[3],[5] 14.10% [7],[8],[16] 14.10% [7],[8],[16] 14.10% [7],[8],[16]        
Cost $ 16,492 [2],[3]     $ 15,929 [7],[8]            
Fair Value $ 15,548 [2],[3]     $ 14,833 [7],[8]            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [12],[13] 5.00% [12],[13] 5.00% [12],[13] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]        
Interest rate 9.32% [5],[12],[13] 9.32% [5],[12],[13] 9.32% [5],[12],[13] 9.36% [14],[15],[16] 9.36% [14],[15],[16] 9.36% [14],[15],[16]        
Principal Amount or Par Value $ 3,959 [6],[12],[13]     $ 3,970 [10],[14],[15]            
Cost 3,959 [12],[13]     3,970 [14],[15]            
Fair Value 3,660 [12],[13]     $ 3,934 [14],[15]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[15]       0.00% 0.00% 0.00%        
Interest rate [7],[15],[16]       0.00% 0.00% 0.00%        
Principal Amount or Par Value 152 [2],[6],[13]     $ 152 [7],[10],[15]            
Cost 152 [2],[13]     152 [7],[15]            
Fair Value 152 [2],[13]     $ 152 [7],[15]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8]       0.00% 0.00% 0.00%        
Interest rate [7],[8],[16]       0.00% 0.00% 0.00%        
Principal Amount or Par Value 52 [2],[3],[6]     $ 52 [7],[8],[10]            
Cost 52 [2],[3]     52 [7],[8]            
Fair Value 52 [2],[3]     52 [7],[8]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 183 [2],[13]     182 [7],[15]            
Fair Value 272 [2],[13]     327 [7],[15]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 63 [2],[3]     62 [7],[8]            
Fair Value 93 [2],[3]     112 [7],[8]            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       6,349            
Cost [7],[8],[11]       0            
Fair Value [7],[8],[11]       0            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 6,349                  
Cost [2],[3],[9] 0                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       384            
Cost [7],[8],[11]       (2)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% [2],[3],[9] 4.25% [2],[3],[9] 4.25% [2],[3],[9] 4.25% [7],[8],[11] 4.25% [7],[8],[11] 4.25% [7],[8],[11]        
Interest rate 11.75% [2],[3],[5],[9] 11.75% [2],[3],[5],[9] 11.75% [2],[3],[5],[9] 11.75% [7],[8],[11],[16] 11.75% [7],[8],[11],[16] 11.75% [7],[8],[11],[16]        
Principal Amount or Par Value $ 128 [2],[3],[6],[9]     $ 128 [7],[8],[10],[11]            
Cost 127 [2],[3],[9]     127 [7],[8],[11]            
Fair Value 128 [2],[3],[9]     $ 128 [7],[8],[11]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 384                  
Cost [2],[3],[9] (2)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.69% [2],[5],[12],[13] 9.69% [2],[5],[12],[13] 9.69% [2],[5],[12],[13] 9.72% [7],[14],[15],[16] 9.72% [7],[14],[15],[16] 9.72% [7],[14],[15],[16]        
Principal Amount or Par Value $ 7,427 [2],[6],[12],[13]     $ 7,446 [7],[10],[14],[15]            
Cost 7,408 [2],[12],[13]     7,425 [7],[14],[15]            
Fair Value $ 7,427 [2],[12],[13]     $ 7,446 [7],[14],[15]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [1],[2],[3] 5.25% [7],[8],[17] 5.25% [7],[8],[17] 5.25% [7],[8],[17]        
Interest rate 9.69% [1],[2],[3],[5] 9.69% [1],[2],[3],[5] 9.69% [1],[2],[3],[5] 9.72% [7],[8],[16],[17] 9.72% [7],[8],[16],[17] 9.72% [7],[8],[16],[17]        
Principal Amount or Par Value $ 1,519 [1],[2],[3],[6]     $ 1,523 [7],[8],[10],[17]            
Cost 1,519 [1],[2],[3]     1,523 [7],[8],[17]            
Fair Value $ 1,519 [1],[2],[3]     $ 1,523 [7],[8],[17]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [1],[2],[3] 6.25% [1],[2],[3] 6.25% [1],[2],[3] 6.75% [7],[8],[17] 6.75% [7],[8],[17] 6.75% [7],[8],[17]        
Interest rate 10.54% [1],[2],[3],[5] 10.54% [1],[2],[3],[5] 10.54% [1],[2],[3],[5] 11.34% [7],[8],[16],[17] 11.34% [7],[8],[16],[17] 11.34% [7],[8],[16],[17]        
Principal Amount or Par Value $ 42,345 [1],[2],[3],[6]     $ 42,450 [7],[8],[10],[17]            
Cost 39,073 [1],[2],[3]     38,840 [7],[8],[17]            
Fair Value 42,345 [1],[2],[3]     42,450 [7],[8],[17]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,501 [2],[13]     11,501 [7],[15]            
Fair Value 1,799 [2],[13]     1,799 [7],[15]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,282 [2],[3]     1,282 [7],[8]            
Fair Value $ 201 [2],[3]     $ 201 [7],[8]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [1],[2],[3],[9] 4.00% [1],[2],[3],[9] 4.00% [1],[2],[3],[9] 4.00% [7],[8],[11],[17] 4.00% [7],[8],[11],[17] 4.00% [7],[8],[11],[17]        
Interest rate 8.44% [1],[2],[3],[5],[9] 8.44% [1],[2],[3],[5],[9] 8.44% [1],[2],[3],[5],[9] 9.04% [7],[8],[11],[16],[17] 9.04% [7],[8],[11],[16],[17] 9.04% [7],[8],[11],[16],[17]        
Principal Amount or Par Value $ 235 [1],[2],[3],[6],[9]     $ 324 [7],[8],[10],[11],[17]            
Cost 231 [1],[2],[3],[9]     319 [7],[8],[11],[17]            
Fair Value 228 [1],[2],[3],[9]     315 [7],[8],[11],[17]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 324 [2],[3],[6],[9]     235 [7],[8],[10],[11]            
Cost (5) [2],[3],[9]     (4) [7],[8],[11]            
Fair Value $ (9) [2],[3],[9]     $ (7) [7],[8],[11]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]        
Interest rate 10.32% [2],[5],[12],[13] 10.32% [2],[5],[12],[13] 10.32% [2],[5],[12],[13] 10.60% [7],[14],[15],[16] 10.60% [7],[14],[15],[16] 10.60% [7],[14],[15],[16]        
Principal Amount or Par Value $ 10,220 [2],[6],[12],[13]     $ 10,247 [7],[10],[14],[15]            
Cost 10,145 [2],[12],[13]     10,167 [7],[14],[15]            
Fair Value $ 9,927 [2],[12],[13]     $ 9,953 [7],[14],[15]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [1],[2],[3] 5.75% [7],[8],[17] 5.75% [7],[8],[17] 5.75% [7],[8],[17]        
Interest rate 10.31% [1],[2],[3],[5] 10.31% [1],[2],[3],[5] 10.31% [1],[2],[3],[5] 10.66% [7],[8],[16],[17] 10.66% [7],[8],[16],[17] 10.66% [7],[8],[16],[17]        
Principal Amount or Par Value $ 77 [1],[2],[3],[6]     $ 77 [7],[8],[10],[17]            
Cost 75 [1],[2],[3]     76 [7],[8],[17]            
Fair Value $ 75 [1],[2],[3]     $ 75 [7],[8],[17]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.50% [2],[18],[20] 10.50% [2],[18],[20] 10.50% [2],[18],[20] 10.50% [7],[19],[21] 10.50% [7],[19],[21] 10.50% [7],[19],[21]        
Interest rate 14.94% [2],[5],[18] 14.94% [2],[5],[18] 14.94% [2],[5],[18] 14.97% [7],[16],[19] 14.97% [7],[16],[19] 14.97% [7],[16],[19]        
Cost $ 16,979 [2],[18]     $ 16,363 [7],[19]            
Fair Value $ 16,815 [2],[18]     $ 16,450 [7],[19]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.50% [1],[2],[3],[20] 10.50% [1],[2],[3],[20] 10.50% [1],[2],[3],[20] 10.50% [7],[8],[17],[21] 10.50% [7],[8],[17],[21] 10.50% [7],[8],[17],[21]        
Interest rate 14.94% [1],[2],[3],[5] 14.94% [1],[2],[3],[5] 14.94% [1],[2],[3],[5] 14.97% [7],[8],[16],[17] 14.97% [7],[8],[16],[17] 14.97% [7],[8],[16],[17]        
Cost $ 5,853 [1],[2],[3]     $ 5,641 [7],[8],[17]            
Fair Value $ 5,797 [1],[2],[3]     $ 5,671 [7],[8],[17]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [2],[18] 8.00% [2],[18] 8.00% [2],[18] 8.00% [7],[19] 8.00% [7],[19] 8.00% [7],[19]        
Interest rate 12.55% [2],[5],[18] 12.55% [2],[5],[18] 12.55% [2],[5],[18] 12.89% [7],[16],[19] 12.89% [7],[16],[19] 12.89% [7],[16],[19]        
Principal Amount or Par Value $ 22,500 [2],[6],[18]     $ 22,500 [7],[10],[19]            
Cost 22,402 [2],[18]     22,397 [7],[19]            
Fair Value $ 22,500 [2],[18]     $ 22,500 [7],[19]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [2],[12],[13] 8.00% [2],[12],[13] 8.00% [2],[12],[13] 8.00% [7],[14],[15] 8.00% [7],[14],[15] 8.00% [7],[14],[15]        
Interest rate 12.55% [2],[5],[12],[13] 12.55% [2],[5],[12],[13] 12.55% [2],[5],[12],[13] 12.89% [7],[14],[15],[16] 12.89% [7],[14],[15],[16] 12.89% [7],[14],[15],[16]        
Principal Amount or Par Value $ 5,697 [2],[6],[12],[13]     $ 5,697 [7],[10],[14],[15]            
Cost 5,706 [2],[12],[13]     5,706 [7],[14],[15]            
Fair Value 5,697 [2],[12],[13]     5,697 [7],[14],[15]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,695 [2],[3],[6],[9]     2,695 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[13],[20] 3.25% 3.25% 3.25%              
PIK 2.00% [2],[13],[20] 2.00% [2],[13],[20] 2.00% [2],[13],[20] 5.25% [7],[15],[21] 5.25% [7],[15],[21] 5.25% [7],[15],[21]        
Interest rate 9.58% [2],[5],[13] 9.58% [2],[5],[13] 9.58% [2],[5],[13] 9.59% [7],[15],[16] 9.59% [7],[15],[16] 9.59% [7],[15],[16]        
Principal Amount or Par Value $ 12,475 [2],[6],[13]     $ 12,327 [7],[10],[15]            
Cost 11,951 [2],[13]     11,782 [7],[15]            
Fair Value $ 10,526 [2],[13]     $ 10,402 [7],[15]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[20] 3.25% 3.25% 3.25%              
PIK 2.00% [1],[2],[3],[20] 2.00% [1],[2],[3],[20] 2.00% [1],[2],[3],[20] 5.25% [7],[8],[21] 5.25% [7],[8],[21] 5.25% [7],[8],[21]        
Interest rate 9.58% [1],[2],[3],[5] 9.58% [1],[2],[3],[5] 9.58% [1],[2],[3],[5] 9.59% [7],[8],[16] 9.59% [7],[8],[16] 9.59% [7],[8],[16]        
Principal Amount or Par Value $ 10,043 [1],[2],[3],[6]     $ 9,925 [7],[8],[10]            
Cost 9,941 [1],[2],[3]     9,818 [7],[8]            
Fair Value $ 8,474 [1],[2],[3]     $ 8,374 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% [1],[2],[3],[20] 3.00% [1],[2],[3],[20] 3.00% [1],[2],[3],[20] 2.00% [7],[8],[21] 2.00% [7],[8],[21] 2.00% [7],[8],[21]        
PIK 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [1],[2],[3],[20] 1.00% [7],[8],[21] 1.00% [7],[8],[21] 1.00% [7],[8],[21]        
Interest rate 8.32% [1],[2],[3],[5] 8.32% [1],[2],[3],[5] 8.32% [1],[2],[3],[5] 7.34% [7],[8],[16] 7.34% [7],[8],[16] 7.34% [7],[8],[16]        
Principal Amount or Par Value $ 2,863 [1],[2],[3],[6]     $ 2,843 [7],[8],[10]            
Cost 2,359 [1],[2],[3]     2,317 [7],[8]            
Fair Value $ 2,368 [1],[2],[3]     $ 2,351 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.00% [2],[13],[20] 11.00% [2],[13],[20] 11.00% [2],[13],[20] 11.00% [7],[15],[21] 11.00% [7],[15],[21] 11.00% [7],[15],[21]        
Interest rate 11.00% [2],[5],[13] 11.00% [2],[5],[13] 11.00% [2],[5],[13] 11.00% [7],[15],[16] 11.00% [7],[15],[16] 11.00% [7],[15],[16]        
Principal Amount or Par Value $ 311 [2],[6],[13]     $ 302 [7],[10],[15]            
Cost 311 [2],[13]     302 [7],[15]            
Fair Value $ 311 [2],[13]     $ 302 [7],[15]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.00% [2],[3],[20] 11.00% [2],[3],[20] 11.00% [2],[3],[20] 11.00% [7],[8],[21] 11.00% [7],[8],[21] 11.00% [7],[8],[21]        
Interest rate 11.00% [2],[3],[5] 11.00% [2],[3],[5] 11.00% [2],[3],[5] 11.00% [7],[8],[16] 11.00% [7],[8],[16] 11.00% [7],[8],[16]        
Principal Amount or Par Value $ 300 [2],[3],[6]     $ 291 [7],[8],[10]            
Cost 300 [2],[3]     291 [7],[8]            
Fair Value $ 300 [2],[3]     $ 291 [7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [2],[3],[20] 12.00% [2],[3],[20] 12.00% [2],[3],[20] 12.00% [7],[8],[21] 12.00% [7],[8],[21] 12.00% [7],[8],[21]        
Interest rate 12.00% [2],[3],[5] 12.00% [2],[3],[5] 12.00% [2],[3],[5] 12.00% [7],[8],[16] 12.00% [7],[8],[16] 12.00% [7],[8],[16]        
Cost $ 68,051 [2],[3]     $ 66,651 [7],[8]            
Fair Value $ 59,136 [2],[3]     $ 59,978 [7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [2],[3],[20] 15.00% [2],[3],[20] 15.00% [2],[3],[20] 15.00% [7],[8],[21] 15.00% [7],[8],[21] 15.00% [7],[8],[21]        
Interest rate 15.00% [2],[3],[5] 15.00% [2],[3],[5] 15.00% [2],[3],[5] 15.00% [7],[8],[16] 15.00% [7],[8],[16] 15.00% [7],[8],[16]        
Cost $ 7,807 [2],[3]     $ 7,525 [7],[8]            
Fair Value $ 7,808 [2],[3]     $ 9,352 [7],[8]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [7],[8],[17],[21],[24]       3.50% 3.50% 3.50%        
PIK [7],[8],[17],[21],[24]       2.00% 2.00% 2.00%        
Interest rate [7],[8],[16],[17],[24]       10.76% 10.76% 10.76%        
Principal Amount or Par Value | £ [7],[8],[10],[17],[24]           £ 19,418        
Cost [7],[8],[17],[24]       $ 19,326            
Fair Value [7],[8],[17],[24]       $ 19,321            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [1],[2],[3],[20] 3.50% 3.50% 3.50%              
PIK [1],[2],[3],[20] 2.00% 2.00% 2.00%              
Interest rate [1],[2],[3],[5] 9.76% 9.76% 9.76%              
Principal Amount or Par Value | £ [1],[2],[3],[6]     £ 19,617              
Cost [1],[2],[3] $ 19,564                  
Fair Value [1],[2],[3] $ 19,519                  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [1],[2],[3],[20] 3.38% [1],[2],[3],[20] 3.38% [1],[2],[3],[20] 3.38% [7],[14],[15],[21] 3.38% [7],[14],[15],[21] 3.38% [7],[14],[15],[21]        
PIK 3.38% [1],[2],[3],[20] 3.38% [1],[2],[3],[20] 3.38% [1],[2],[3],[20] 3.38% [7],[14],[15],[21] 3.38% [7],[14],[15],[21] 3.38% [7],[14],[15],[21]        
Interest rate 11.19% [1],[2],[3],[5] 11.19% [1],[2],[3],[5] 11.19% [1],[2],[3],[5] 11.47% [7],[14],[15],[16] 11.47% [7],[14],[15],[16] 11.47% [7],[14],[15],[16]        
Principal Amount or Par Value $ 29,868 [1],[2],[3],[6]     $ 29,868 [7],[10],[14],[15]            
Cost 29,701 [1],[2],[3]     29,689 [7],[14],[15]            
Fair Value $ 29,868 [1],[2],[3]     $ 29,868 [7],[14],[15]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [2],[9],[13],[20] 3.38% [2],[9],[13],[20] 3.38% [2],[9],[13],[20] 3.38% [7],[11],[15],[21] 3.38% [7],[11],[15],[21] 3.38% [7],[11],[15],[21]        
PIK 3.38% [2],[9],[13],[20] 3.38% [2],[9],[13],[20] 3.38% [2],[9],[13],[20] 3.38% [7],[11],[15],[21] 3.38% [7],[11],[15],[21] 3.38% [7],[11],[15],[21]        
Interest rate 11.19% [2],[5],[9],[13] 11.19% [2],[5],[9],[13] 11.19% [2],[5],[9],[13] 11.47% [7],[11],[15],[16] 11.47% [7],[11],[15],[16] 11.47% [7],[11],[15],[16]        
Principal Amount or Par Value $ 2,724 [2],[6],[9],[13]     $ 2,440 [7],[10],[11],[15]            
Cost 2,724 [2],[9],[13]     2,440 [7],[11],[15]            
Fair Value 2,724 [2],[9],[13]     2,440 [7],[11],[15]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,017 [2],[6],[9],[13]     1,301 [7],[10],[11],[15]            
Cost 0 [2],[9],[13]     0 [7],[11],[15]            
Fair Value 0 [2],[9],[13]     0 [7],[11],[15]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,267 [2],[3],[6],[9]     4,267 [7],[8],[10],[11]            
Cost (43) [2],[3],[9]     (43) [7],[8],[11]            
Fair Value 0 [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 95 [2],[6],[9],[12],[13]     785 [7],[10],[11],[14],[15]            
Cost 0 [2],[9],[12],[13]     0 [7],[11],[14],[15]            
Fair Value 0 [2],[9],[12],[13]     0 [7],[11],[14],[15]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,501 [2],[3],[6],[9]     1,501 [7],[8],[10],[11]            
Cost (15) [2],[3],[9]     (15) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.76% [2],[5],[12],[13] 9.76% [2],[5],[12],[13] 9.76% [2],[5],[12],[13] 9.76% [7],[14],[15],[16] 9.76% [7],[14],[15],[16] 9.76% [7],[14],[15],[16]        
Principal Amount or Par Value $ 15,382 [2],[6],[12],[13]     $ 15,382 [7],[10],[14],[15]            
Cost 15,308 [2],[12],[13]     15,303 [7],[14],[15]            
Fair Value $ 15,382 [2],[12],[13]     $ 15,382 [7],[14],[15]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [2],[12],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]        
Interest rate 9.62% [2],[5],[12],[13] 9.62% [2],[5],[12],[13] 9.62% [2],[5],[12],[13] 9.94% [7],[14],[15],[16] 9.94% [7],[14],[15],[16] 9.94% [7],[14],[15],[16]        
Principal Amount or Par Value $ 4,467 [2],[6],[12],[13]     $ 4,467 [7],[10],[14],[15]            
Cost 4,440 [2],[12],[13]     4,438 [7],[14],[15]            
Fair Value $ 4,467 [2],[12],[13]     4,467 [7],[14],[15]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [2],[9],[12],[13] 4.50% 4.50% 4.50%              
Interest rate [2],[5],[9],[12],[13] 8.82% 8.82% 8.82%              
Principal Amount or Par Value [2],[6],[9],[12],[13] $ 690                  
Cost [2],[9],[12],[13] 687                  
Fair Value [2],[9],[12],[13] 690                  
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 893 [2],[3],[6],[9]     893 [7],[8],[10],[11]            
Cost (9) [2],[3],[9]     (9) [7],[8],[11]            
Fair Value $ 0 [2],[3],[9]     $ 0 [7],[8],[11]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17] 9.36% [7],[8],[16],[17]        
Principal Amount or Par Value $ 6,966 [1],[2],[3],[6]     $ 6,984 [7],[8],[10],[17]            
Cost 6,930 [1],[2],[3]     6,946 [7],[8],[17]            
Fair Value $ 6,966 [1],[2],[3]     $ 6,984 [7],[8],[17]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.32% [2],[5],[12],[13] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16] 9.36% [7],[14],[15],[16]        
Principal Amount or Par Value $ 5,527 [2],[6],[12],[13]     $ 5,541 [7],[10],[14],[15]            
Cost 5,499 [2],[12],[13]     5,512 [7],[14],[15]            
Fair Value 5,527 [2],[12],[13]     5,541 [7],[14],[15]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,925 [2],[13]     1,925            
Fair Value 0 [2],[13]     0            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 532 [2],[3]     532 [7],[8]            
Fair Value $ 0 [2],[3]     $ 0 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 20.00% [2],[3],[20] 20.00% [2],[3],[20] 20.00% [2],[3],[20] 20.00% [7],[8],[21] 20.00% [7],[8],[21] 20.00% [7],[8],[21]        
Interest rate 20.00% [2],[3],[5] 20.00% [2],[3],[5] 20.00% [2],[3],[5] 20.00% [7],[8],[16] 20.00% [7],[8],[16] 20.00% [7],[8],[16]        
Cost $ 52,381 [2],[3]     $ 22,803 [7],[8]            
Fair Value 45,347 [2],[3]     $ 20,646 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21]       20.00% 20.00% 20.00%        
Interest rate [7],[8],[16]       20.00% 20.00% 20.00%        
Cost 29,318 [2],[3]     $ 13,553 [7],[8]            
Fair Value 21,388 [2],[3]     $ 12,682 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21],[52]       19.00% 19.00% 19.00%        
Interest rate [7],[8],[16],[52]       19.00% 19.00% 19.00%        
Cost 26,946 [2],[13]     $ 19,795 [7],[8],[52]            
Fair Value 0 [2],[13]     $ 3,080 [7],[8],[52]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [15],[21],[52]       13.50% 13.50% 13.50%        
Interest rate [15],[16],[52]       13.50% 13.50% 13.50%        
Cost 7,447 [2],[3]     $ 26,946 [15],[52]            
Fair Value 0 [2],[3]     $ 0 [15],[52]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21],[52]       13.50% 13.50% 13.50%        
Interest rate [7],[8],[16],[52]       13.50% 13.50% 13.50%        
Cost [7],[8],[52]       $ 7,447            
Fair Value [7],[8],[52]       $ 0            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21]       15.00% 15.00% 15.00%        
Interest rate [7],[8],[16]       15.00% 15.00% 15.00%        
Principal Amount or Par Value [7],[8],[10]       $ 15,608            
Cost [7],[8]       15,608            
Fair Value [7],[8]       $ 15,459            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [7],[8],[21]       15.00% 15.00% 15.00%        
Interest rate [7],[8],[16]       15.00% 15.00% 15.00%        
Principal Amount or Par Value [7],[8],[10]       $ 6,919            
Cost [7],[8]       6,919            
Fair Value [7],[8]       6,853            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [7],[8]       0            
Fair Value [7],[8]       $ 48,804            
Investment, Identifier [Axis]: Viper Bidco,Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 15,503                  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3],[47] 5.00% [1],[2],[3],[47] 5.00% [1],[2],[3],[47] 5.00% [7],[8],[17],[48] 5.00% [7],[8],[17],[48] 5.00% [7],[8],[17],[48]        
Interest rate 9.46% [1],[2],[3],[5],[47] 9.46% [1],[2],[3],[5],[47] 9.46% [1],[2],[3],[5],[47] 9.70% [7],[8],[16],[17],[48] 9.70% [7],[8],[16],[17],[48] 9.70% [7],[8],[16],[17],[48]        
Principal Amount or Par Value $ 12,000 [1],[2],[3],[6],[47]     $ 12,030 [7],[8],[10],[17],[48]            
Cost 15,142 [1],[2],[3],[47]     15,181 [7],[8],[17],[48]            
Fair Value 15,425 [1],[2],[3],[47]     14,981 [7],[8],[17],[48]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,150 [2],[3],[6],[9]     4,150 [7],[8],[10],[11]            
Cost 0 [2],[3],[9]     0 [7],[8],[11]            
Fair Value (21) [2],[3],[9]     0 [7],[8],[11]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,320 [2],[3],[6],[9]     3,320 [7],[8],[10],[11]            
Cost (17) [2],[3],[9]     (17) [7],[8],[11]            
Fair Value $ (17) [2],[3],[9]     (17) [7],[8],[11]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       15,057            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [7],[8],[10],[11]       2,040            
Cost [7],[8],[11]       (6)            
Fair Value [7],[8],[11]       $ 0            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.30% [2],[5],[12],[13] 9.30% [2],[5],[12],[13] 9.30% [2],[5],[12],[13] 9.55% [7],[14],[15],[16] 9.55% [7],[14],[15],[16] 9.55% [7],[14],[15],[16]        
Principal Amount or Par Value $ 15,553 [2],[6],[12],[13]     $ 15,593 [7],[10],[14],[15]            
Cost 15,527 [2],[12],[13]     15,565 [7],[14],[15]            
Fair Value $ 15,553 [2],[12],[13]     $ 15,593 [7],[14],[15]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.55% [7],[8],[16],[17] 9.55% [7],[8],[16],[17] 9.55% [7],[8],[16],[17]        
Principal Amount or Par Value $ 11,878 [1],[2],[3],[6]     $ 11,908 [7],[8],[10],[17]            
Cost 11,858 [1],[2],[3]     11,887 [7],[8],[17]            
Fair Value $ 11,878 [1],[2],[3]     $ 11,908 [7],[8],[17]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [2],[12],[13] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]        
Interest rate 9.30% [2],[5],[12],[13] 9.30% [2],[5],[12],[13] 9.30% [2],[5],[12],[13] 9.55% [7],[14],[15],[16] 9.55% [7],[14],[15],[16] 9.55% [7],[14],[15],[16]        
Principal Amount or Par Value $ 6,642 [2],[6],[12],[13]     $ 6,659 [7],[10],[14],[15]            
Cost 6,627 [2],[12],[13]     6,644 [7],[14],[15]            
Fair Value $ 6,642 [2],[12],[13]     $ 6,659 [7],[14],[15]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.32% [1],[2],[3],[5] 9.50% [7],[8],[16],[17] 9.50% [7],[8],[16],[17] 9.50% [7],[8],[16],[17]        
Principal Amount or Par Value $ 1,225 [1],[2],[3],[6]     $ 1,228 [7],[8],[10],[17]            
Cost 1,219 [1],[2],[3]     1,221 [7],[8],[17]            
Fair Value $ 1,225 [1],[2],[3]     $ 1,228 [7],[8],[17]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [1],[2],[3] 5.00% [7],[8],[17] 5.00% [7],[8],[17] 5.00% [7],[8],[17]        
Interest rate 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.30% [1],[2],[3],[5] 9.56% [7],[8],[16],[17] 9.56% [7],[8],[16],[17] 9.56% [7],[8],[16],[17]        
Principal Amount or Par Value $ 822 [1],[2],[3],[6]     $ 824 [7],[8],[10],[17]            
Cost 817 [1],[2],[3]     819 [7],[8],[17]            
Fair Value 822 [1],[2],[3]     $ 824 [7],[8],[17]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [2],[3],[6],[9] 2,040                  
Cost [2],[3],[9] (6)                  
Fair Value [2],[3],[9] $ 0                  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 13.00% [2],[3],[20] 13.00% [2],[3],[20] 13.00% [2],[3],[20] 13.00% [7],[8],[21] 13.00% [7],[8],[21] 13.00% [7],[8],[21]        
Interest rate 13.00% [2],[3],[5] 13.00% [2],[3],[5] 13.00% [2],[3],[5] 13.00% [7],[8],[16] 13.00% [7],[8],[16] 13.00% [7],[8],[16]        
Principal Amount or Par Value $ 4,235 [2],[3],[6]     $ 4,231 [7],[8],[10]            
Cost 4,190 [2],[3]     4,185 [7],[8]            
Fair Value $ 4,235 [2],[3]     $ 4,231 [7],[8]            
Investment, Identifier [Axis]: Xactly Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [2],[18] 6.25% [2],[18] 6.25% [2],[18] 6.25% [7],[19] 6.25% [7],[19] 6.25% [7],[19]        
Interest rate 10.66% [2],[5],[18] 10.66% [2],[5],[18] 10.66% [2],[5],[18] 10.86% [7],[16],[19] 10.86% [7],[16],[19] 10.86% [7],[16],[19]        
Principal Amount or Par Value $ 22,500 [2],[6],[18]     $ 22,500 [7],[10],[19]            
Cost 22,484 [2],[18]     22,483 [7],[19]            
Fair Value 22,286 [2],[18]     22,250 [7],[19]            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 992 [2],[3],[6],[9]     992 [7],[8],[10],[11]            
Cost (10) [2],[3],[9]     (10) [7],[8],[11]            
Fair Value $ (9) [2],[3],[9]     $ (11) [7],[8],[11]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% [2],[30] 4.75% [2],[30] 4.75% [2],[30] 4.75% [7],[31] 4.75% [7],[31] 4.75% [7],[31]        
Interest rate 9.05% [2],[5],[30] 9.05% [2],[5],[30] 9.05% [2],[5],[30] 9.09% [7],[16],[31] 9.09% [7],[16],[31] 9.09% [7],[16],[31]        
Principal Amount or Par Value $ 21,825 [2],[6],[30]     $ 21,825 [7],[10],[31]            
Cost 21,799 [2],[30]     21,798 [7],[31]            
Fair Value 21,825 [2],[30]     $ 21,825 [7],[31]            
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[6],[9] 1,889                  
Cost [3],[9] (9)                  
Fair Value [3],[9] (9)                  
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[6],[9] 2,040                  
Cost [3],[9] 0                  
Fair Value [3],[9] (11)                  
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value [3],[6],[9] 1,074                  
Cost [3],[9] (11)                  
Fair Value [3],[9] $ (11)                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3] 4.75% 4.75% 4.75%              
Interest rate [3],[5] 9.07% 9.07% 9.07%              
Principal Amount or Par Value [3],[6] $ 11,380                  
Cost [3] 11,266                  
Fair Value [3] $ 11,266                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[9] 4.75% 4.75% 4.75%              
Interest rate [3],[5],[9] 9.07% 9.07% 9.07%              
Principal Amount or Par Value [3],[6],[9] $ 107                  
Cost [3],[9] 96                  
Fair Value [3],[9] $ 107                  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[3],[9] 5.75% [2],[3],[9] 5.75% [2],[3],[9] 5.75% [7],[8],[11] 5.75% [7],[8],[11] 5.75% [7],[8],[11]        
Interest rate 10.04% [2],[3],[5],[9] 10.04% [2],[3],[5],[9] 10.04% [2],[3],[5],[9] 10.34% [7],[8],[11],[16] 10.34% [7],[8],[11],[16] 10.34% [7],[8],[11],[16]        
Principal Amount or Par Value $ 388 [2],[3],[6],[9]     $ 706 [7],[8],[10],[11]            
Cost 390 [2],[3],[9]     705 [7],[8],[11]            
Fair Value 383 [2],[3],[9]     701 [7],[8],[11]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 3,142 [2],[3],[6],[9]     2,824 [7],[8],[10],[11]            
Cost (27) [2],[3],[9]     (25) [7],[8],[11]            
Fair Value $ (41) [2],[3],[9]     $ (21) [7],[8],[11]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [2],[12],[13] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]        
Interest rate 10.04% [2],[5],[12],[13] 10.04% [2],[5],[12],[13] 10.04% [2],[5],[12],[13] 10.38% [7],[14],[15],[16] 10.38% [7],[14],[15],[16] 10.38% [7],[14],[15],[16]        
Principal Amount or Par Value $ 44,742 [2],[6],[12],[13]     $ 44,742 [7],[10],[14],[15]            
Cost 44,549 [2],[12],[13]     44,537 [7],[14],[15]            
Fair Value $ 44,151 [2],[12],[13]     $ 44,406 [7],[14],[15]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [2],[12],[13] 6.25% [2],[12],[13] 6.25% [2],[12],[13] 6.25% [7],[14],[15] 6.25% [7],[14],[15] 6.25% [7],[14],[15]        
Interest rate 10.54% [2],[5],[12],[13] 10.54% [2],[5],[12],[13] 10.54% [2],[5],[12],[13] 10.88% [7],[14],[15],[16] 10.88% [7],[14],[15],[16] 10.88% [7],[14],[15],[16]        
Principal Amount or Par Value $ 7,366 [2],[6],[12],[13]     $ 7,366 [7],[10],[14],[15]            
Cost 7,323 [2],[12],[13]     7,321 [7],[14],[15]            
Fair Value 7,269 [2],[12],[13]     7,311 [7],[14],[15]            
SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 710,505     727,619            
Cost 697,918     716,654            
Fair Value 688,213     715,096            
SLP III | Funded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 705,596     724,965            
Cost 697,931     716,661            
Fair Value 688,246     715,076            
SLP III | Unfunded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 4,909     2,654            
Cost (13)     (7)            
Fair Value $ (33)     $ 20            
SLP III | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.22% 8.22% 8.22%        
Principal Amount or Par Value $ 2,346     $ 2,352            
Cost 2,340     2,345            
Fair Value $ 2,331     $ 2,318            
SLP III | Investment, Identifier [Axis]: AG Parent Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.57% 9.57% 9.57% 9.78% 9.78% 9.78%        
Principal Amount or Par Value $ 7,199     $ 7,218            
Cost 7,191     7,208            
Fair Value $ 6,911     $ 6,821            
SLP III | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.56% 8.56% 8.56%        
Principal Amount or Par Value $ 5,754     $ 5,754            
Cost 5,725     5,725            
Fair Value 5,754     5,797            
SLP III | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 885     885            
Cost (2)     (2)            
Fair Value $ 0     $ 7            
SLP III | Investment, Identifier [Axis]: Ardonagh Midco 3 Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% 2.75% 2.75% 3.75% 3.75% 3.75%        
Interest rate 7.04% 7.04% 7.04% 8.51% 8.51% 8.51%        
Principal Amount or Par Value $ 6,400     $ 9,400            
Cost 6,371     9,354            
Fair Value $ 6,320     $ 9,459            
SLP III | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00% 3.00%        
Interest rate       7.36% 7.36% 7.36%        
Principal Amount or Par Value       $ 2,787            
Cost       2,778            
Fair Value       $ 2,815            
SLP III | Investment, Identifier [Axis]: AssuredPartners, Inc, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 1,950     $ 1,955            
Cost 1,948     1,953            
Fair Value $ 1,955     $ 1,962            
SLP III | Investment, Identifier [Axis]: Aston FinCo S.a r.l., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.69% 8.69% 8.69% 8.72% 8.72% 8.72%        
Principal Amount or Par Value $ 5,700     $ 5,715            
Cost 5,685     5,698            
Fair Value $ 5,447     $ 5,486            
SLP III | Investment, Identifier [Axis]: Asurion, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.67% 8.67% 8.67% 8.71% 8.71% 8.71%        
Principal Amount or Par Value $ 13,101     $ 13,134            
Cost 13,013     13,041            
Fair Value $ 12,999     $ 13,167            
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest rate 7.57% 7.57% 7.57% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 9,896     $ 8,921            
Cost 9,835     8,863            
Fair Value $ 9,775     $ 8,981            
SLP III | Investment, Identifier [Axis]: BIFM CA Buyer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.07% 8.07% 8.07% 8.11% 8.11% 8.11%        
Principal Amount or Par Value $ 3,571     $ 3,580            
Cost 3,534     3,541            
Fair Value $ 3,577     $ 3,616            
SLP III | Investment, Identifier [Axis]: BW Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.46% 8.46% 8.46% 8.66% 8.66% 8.66%        
Principal Amount or Par Value $ 2,735     $ 2,742            
Cost 2,593     2,592            
Fair Value $ 2,285     $ 2,453            
SLP III | Investment, Identifier [Axis]: Bach Finance Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.75% 3.75% 3.75%        
Interest rate 7.50% 7.50% 7.50% 8.26% 8.26% 8.26%        
Principal Amount or Par Value $ 2,123     $ 2,123            
Cost 2,119     2,118            
Fair Value $ 2,125     $ 2,143            
SLP III | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 9.05% 9.05% 9.05% 9.35% 9.35% 9.35%        
Principal Amount or Par Value $ 6,649     $ 6,667            
Cost 6,612     6,629            
Fair Value $ 6,648     $ 6,667            
SLP III | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.75% 3.75% 3.75%        
Interest rate 7.57% 7.57% 7.57% 8.21% 8.21% 8.21%        
Principal Amount or Par Value $ 7,780     $ 7,800            
Cost 7,762     7,780            
Fair Value $ 7,774     $ 7,859            
SLP III | Investment, Identifier [Axis]: Boxer Parent Company Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.75% 3.75% 3.75%        
Interest rate 7.29% 7.29% 7.29% 8.34% 8.34% 8.34%        
Principal Amount or Par Value $ 15,321     $ 15,321            
Cost 15,285     15,284            
Fair Value $ 15,074     $ 15,470            
SLP III | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 14,075     $ 14,111            
Cost 13,790     13,805            
Fair Value $ 14,137     $ 14,256            
SLP III | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.50% 2.50% 2.50%        
Interest rate       6.86% 6.86% 6.86%        
Principal Amount or Par Value       $ 2,697            
Cost       2,648            
Fair Value       $ 2,708            
SLP III | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest rate       8.05% 8.05% 8.05%        
Principal Amount or Par Value       $ 10,700            
Cost       10,654            
Fair Value       $ 10,761            
SLP III | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.30% 9.30% 9.30% 9.33% 9.33% 9.33%        
Principal Amount or Par Value $ 9,781     $ 9,806            
Cost 9,435     9,444            
Fair Value $ 9,402     $ 9,455            
SLP III | Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.95% 8.95% 8.95% 8.98% 8.98% 8.98%        
Principal Amount or Par Value $ 9,695     $ 9,720            
Cost 9,572     9,586            
Fair Value $ 9,474     $ 9,321            
SLP III | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.79% 7.79% 7.79% 8.12% 8.12% 8.12%        
Principal Amount or Par Value $ 2,126     $ 2,131            
Cost 2,126     2,131            
Fair Value 2,133     2,151            
SLP III | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 158                  
Cost 0                  
Fair Value $ 0                  
SLP III | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l.,. First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       158            
Cost       0            
Fair Value       $ 1            
SLP III | Investment, Identifier [Axis]: Cloudera, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.17% 8.17% 8.17% 8.21% 8.21% 8.21%        
Principal Amount or Par Value $ 12,463     $ 12,495            
Cost 12,310     12,333            
Fair Value $ 12,291     $ 12,514            
SLP III | Investment, Identifier [Axis]: Clubessential, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00%              
Interest rate 7.29% 7.29% 7.29%              
Principal Amount or Par Value $ 4,713                  
Cost 4,713                  
Fair Value $ 4,687                  
SLP III | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 5,312                  
Cost 5,285                  
Fair Value 5,312                  
SLP III | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,230                  
Cost (6)                  
Fair Value $ 0                  
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25% 6.25% 6.25% 6.25%        
Interest rate 10.56% 10.56% 10.56% 10.90% 10.90% 10.90%        
Principal Amount or Par Value $ 3,910     $ 3,920            
Cost 3,609     3,596            
Fair Value $ 3,910     $ 3,920            
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.46% 8.46% 8.46% 8.80% 8.80% 8.80%        
Principal Amount or Par Value $ 6,863     $ 6,881            
Cost 6,810     6,823            
Fair Value $ 6,666     $ 6,540            
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.44% 8.44% 8.44% 8.47% 8.47% 8.47%        
Principal Amount or Par Value $ 4,640     $ 4,653            
Cost 4,626     4,638            
Fair Value $ 4,408     $ 4,554            
SLP III | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest rate 7.55% 7.55% 7.55% 7.85% 7.85% 7.85%        
Principal Amount or Par Value $ 6,791     $ 6,808            
Cost 6,770     6,786            
Fair Value $ 6,825     $ 6,842            
SLP III | Investment, Identifier [Axis]: ConnectWise, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 8.06% 8.06% 8.06% 8.09% 8.09% 8.09%        
Principal Amount or Par Value $ 7,938     $ 7,959            
Cost 7,921     7,940            
Fair Value $ 7,942     $ 8,022            
SLP III | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% 1.00% 1.00% 1.00% 1.00% 1.00%        
PIK 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 9.57% 9.57% 9.57% 9.68% 9.68% 9.68%        
Principal Amount or Par Value $ 8,938     $ 8,876            
Cost 8,805     8,737            
Fair Value $ 8,220     $ 8,055            
SLP III | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.22% 8.22% 8.22%        
Principal Amount or Par Value $ 2,553     $ 2,560            
Cost 2,546     2,552            
Fair Value $ 2,236     $ 2,257            
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.22% 8.22% 8.22%        
Principal Amount or Par Value $ 10,261     $ 10,288            
Cost 10,234     10,258            
Fair Value 10,290     10,406            
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 246     246            
Cost (1)     (1)            
Fair Value $ 1     $ 3            
SLP III | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.32% 7.32% 7.32% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 11,522     $ 11,551            
Cost 11,469     11,496            
Fair Value $ 11,565     $ 11,580            
SLP III | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 4.38% 4.38% 4.38%        
Interest rate 8.04% 8.04% 8.04% 8.95% 8.95% 8.95%        
Principal Amount or Par Value $ 9,449     $ 9,449            
Cost 9,030     9,012            
Fair Value $ 9,362     $ 9,517            
SLP III | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.70% 8.70% 8.70% 8.73% 8.73% 8.73%        
Principal Amount or Par Value $ 15,250     $ 15,289            
Cost 14,998     15,019            
Fair Value $ 14,392     $ 14,611            
SLP III | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.61% 7.61% 7.61%        
Principal Amount or Par Value $ 2,809     $ 2,816            
Cost 2,791     2,798            
Fair Value $ 2,735     $ 2,831            
SLP III | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 7,373     $ 7,392            
Cost 7,277     7,291            
Fair Value $ 7,032     $ 7,261            
SLP III | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.32% 8.32% 8.32% 8.36% 8.36% 8.36%        
Principal Amount or Par Value $ 8,610     $ 8,632            
Cost 8,552     8,571            
Fair Value $ 8,616     $ 8,745            
SLP III | Investment, Identifier [Axis]: FNZ Group Entities Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.29% 9.29% 9.29% 9.55% 9.55% 9.55%        
Principal Amount or Par Value $ 10,255     $ 10,255            
Cost 10,056     10,050            
Fair Value $ 9,537     $ 10,037            
SLP III | Investment, Identifier [Axis]: Flash Charm, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.79% 7.79% 7.79% 8.07% 8.07% 8.07%        
Principal Amount or Par Value $ 16,466     $ 16,508            
Cost 16,456     16,496            
Fair Value $ 15,277     $ 16,226            
SLP III | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.30% 8.30% 8.30% 8.60% 8.60% 8.60%        
Principal Amount or Par Value $ 14,173     $ 14,209            
Cost 14,074     14,104            
Fair Value $ 13,500     $ 13,925            
SLP III | Investment, Identifier [Axis]: Groundworks, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.65% 7.65% 7.65%        
Principal Amount or Par Value $ 258     $ 259            
Cost 256     257            
Fair Value $ 252     $ 260            
SLP III | Investment, Identifier [Axis]: Groundworks, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.65% 7.65% 7.65%        
Principal Amount or Par Value $ 8,765     $ 8,787            
Cost 8,718     8,738            
Fair Value 8,568     8,846            
SLP III | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,365     1,365            
Cost (4)     (4)            
Fair Value $ (31)     $ 9            
SLP III | Investment, Identifier [Axis]: HP PHRG Borrower, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 7,147                  
Cost 7,080                  
Fair Value $ 6,915                  
SLP III | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.82% 8.82% 8.82% 8.86% 8.86% 8.86%        
Principal Amount or Par Value $ 14,001     $ 14,036            
Cost 13,623     13,631            
Fair Value $ 13,992     $ 14,080            
SLP III | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.39% 8.39% 8.39% 8.69% 8.69% 8.69%        
Principal Amount or Par Value $ 17,650     $ 17,697            
Cost 17,599     17,638            
Fair Value $ 16,212     $ 15,640            
SLP III | Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.83% 8.83% 8.83% 8.86% 8.86% 8.86%        
Principal Amount or Par Value $ 8,874     $ 8,896            
Cost 8,836     8,856            
Fair Value $ 8,874     $ 8,897            
SLP III | Investment, Identifier [Axis]: HighTower Holding, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest rate       8.07% 8.07% 8.07%        
Principal Amount or Par Value       $ 4,682            
Cost       4,656            
Fair Value       $ 4,707            
SLP III | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.67% 9.67% 9.67% 9.71% 9.71% 9.71%        
Principal Amount or Par Value $ 8,048     $ 8,069            
Cost 7,846     7,856            
Fair Value $ 7,966     $ 7,961            
SLP III | Investment, Identifier [Axis]: Inizio Group Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.65% 8.65% 8.65% 8.68% 8.68% 8.68%        
Principal Amount or Par Value $ 4,500     $ 4,500            
Cost 4,471     4,470            
Fair Value $ 4,348     $ 4,449            
SLP III | Investment, Identifier [Axis]: Kaseya Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.57% 7.57% 7.57%              
Principal Amount or Par Value $ 5,140                  
Cost 5,115                  
Fair Value $ 5,114                  
SLP III | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.29% 7.29% 7.29% 7.37% 7.37% 7.37%        
Principal Amount or Par Value $ 3,777     $ 10,022            
Cost 3,769     10,001            
Fair Value $ 3,748     $ 10,046            
SLP III | Investment, Identifier [Axis]: LI Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.94% 7.94% 7.94% 7.97% 7.97% 7.97%        
Principal Amount or Par Value $ 3,691     $ 3,702            
Cost 3,686     3,697            
Fair Value $ 3,704     $ 3,716            
SLP III | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.80% 8.80% 8.80% 8.97% 8.97% 8.97%        
Principal Amount or Par Value $ 11,973     $ 11,973            
Cost 11,913     11,883            
Fair Value 11,913     12,070            
SLP III | Investment, Identifier [Axis]: Largest Portfolio Company Investment                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 17,650     $ 17,697            
SLP III | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 9,905     $ 9,930            
Cost 9,860     9,883            
Fair Value $ 9,901     $ 9,987            
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.56% 8.56% 8.56%        
Principal Amount or Par Value       $ 7,094            
Cost       6,973            
Fair Value       $ 7,111            
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.57% 8.57% 8.57%              
Principal Amount or Par Value $ 9,834                  
Cost 9,737                  
Fair Value $ 9,038                  
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.56% 8.56% 8.56%        
Principal Amount or Par Value       $ 7,000            
Cost       6,930            
Fair Value       $ 6,950            
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.57% 8.57% 8.57%              
Principal Amount or Par Value $ 4,214                  
Cost 4,147                  
Fair Value $ 4,027                  
SLP III | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.84% 7.84% 7.84% 8.07% 8.07% 8.07%        
Principal Amount or Par Value $ 2,823     $ 2,823            
Cost 2,787     2,785            
Fair Value $ 2,855     $ 2,855            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.39% 9.39% 9.39% 9.69% 9.69% 9.69%        
Principal Amount or Par Value $ 1,960     $ 1,965            
Cost 1,900     1,901            
Fair Value $ 1,967     $ 1,968            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.49% 8.49% 8.49%        
Principal Amount or Par Value $ 8,832     $ 8,855            
Cost 8,807     8,828            
Fair Value $ 8,857     $ 8,869            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 3, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.80% 8.80% 8.80% 9.10% 9.10% 9.10%        
Principal Amount or Par Value $ 2,456     $ 2,463            
Cost 2,374     2,374            
Fair Value $ 2,465     $ 2,466            
SLP III | Investment, Identifier [Axis]: Mavis Tire Express Services Topco, Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.31% 7.31% 7.31% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 4,090     $ 4,090            
Cost 4,080     4,079            
Fair Value $ 4,070     $ 4,123            
SLP III | Investment, Identifier [Axis]: Michael Baker International, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.32% 8.32% 8.32%              
Principal Amount or Par Value $ 5,575                  
Cost 5,575                  
Fair Value $ 5,568                  
SLP III | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 4.75% 4.75% 4.75%        
Interest rate 7.82% 7.82% 7.82% 9.11% 9.11% 9.11%        
Principal Amount or Par Value $ 15,295     $ 14,753            
Cost 14,128     13,504            
Fair Value $ 15,261     $ 14,720            
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.75% 2.75% 2.75%        
Interest rate       7.37% 7.37% 7.37%        
Principal Amount or Par Value       $ 8,438            
Cost       8,379            
Fair Value       $ 8,483            
SLP III | Investment, Identifier [Axis]: Oceankey (U.S.) II Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.79% 7.79% 7.79%              
Principal Amount or Par Value $ 4,421                  
Cost 4,410                  
Fair Value $ 4,416                  
SLP III | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 11,539     $ 11,568            
Cost 11,430     11,452            
Fair Value $ 11,461     $ 11,627            
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest rate       8.05% 8.05% 8.05%        
Principal Amount or Par Value       $ 11,021            
Cost       10,912            
Fair Value       $ 11,066            
SLP III | Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.54% 7.54% 7.54%              
Principal Amount or Par Value $ 4,119                  
Cost 4,103                  
Fair Value $ 4,126                  
SLP III | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.59% 8.59% 8.59%        
Principal Amount or Par Value       $ 1,695            
Cost       1,692            
Fair Value       $ 1,712            
SLP III | Investment, Identifier [Axis]: Peraton Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.17% 8.17% 8.17% 8.21% 8.21% 8.21%        
Principal Amount or Par Value $ 4,092     $ 4,103            
Cost 4,082     4,093            
Fair Value $ 3,650     $ 3,830            
SLP III | Investment, Identifier [Axis]: Perforce Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest rate 9.07% 9.07% 9.07% 9.11% 9.11% 9.11%        
Principal Amount or Par Value $ 6,580     $ 6,597            
Cost 6,554     6,570            
Fair Value $ 6,181     $ 6,509            
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% 6.00% 6.00%              
Interest rate 10.30% 10.30% 10.30%              
Principal Amount or Par Value $ 2,379                  
Cost 2,311                  
Fair Value $ 2,220                  
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50%              
PIK 2.50% 2.50% 2.50%              
Interest rate 8.45% 8.45% 8.45%              
Principal Amount or Par Value $ 2,752                  
Cost 2,735                  
Fair Value $ 1,454                  
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.74% 8.74% 8.74%        
Principal Amount or Par Value       $ 4,188            
Cost       4,160            
Fair Value       $ 1,766            
SLP III | Investment, Identifier [Axis]: Plano Holdco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.80% 7.80% 7.80% 7.83% 7.83% 7.83%        
Principal Amount or Par Value $ 4,625     $ 4,625            
Cost 4,603     4,602            
Fair Value $ 4,694     $ 4,694            
SLP III | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.80% 7.80% 7.80% 7.83% 7.83% 7.83%        
Principal Amount or Par Value $ 13,606     $ 13,633            
Cost 13,440     13,454            
Fair Value $ 13,532     $ 13,747            
SLP III | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest rate 7.55% 7.55% 7.55% 7.58% 7.58% 7.58%        
Principal Amount or Par Value $ 13,608     $ 13,642            
Cost 13,377     13,403            
Fair Value $ 13,744     $ 13,748            
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.44% 7.44% 7.44% 7.47% 7.47% 7.47%        
Principal Amount or Par Value $ 2,269     $ 4,274            
Cost 2,263     4,263            
Fair Value $ 2,264     $ 4,299            
SLP III | Investment, Identifier [Axis]: Pushpay USA Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.50% 4.50% 4.50%        
Interest rate 8.30% 8.30% 8.30% 8.83% 8.83% 8.83%        
Principal Amount or Par Value $ 5,606     $ 3,120            
Cost 5,575     3,090            
Fair Value $ 5,606     $ 3,147            
SLP III | Investment, Identifier [Axis]: Quartz Holding Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 6,397     $ 9,084            
Cost 6,373     9,044            
Fair Value $ 6,368     $ 9,129            
SLP III | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.69% 8.69% 8.69% 8.72% 8.72% 8.72%        
Principal Amount or Par Value $ 5,654     $ 5,668            
Cost 5,639     5,652            
Fair Value $ 5,173     $ 5,613            
SLP III | Investment, Identifier [Axis]: RealPage, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00% 3.00%        
Interest rate       7.59% 7.59% 7.59%        
Principal Amount or Par Value       $ 4,261            
Cost       4,255            
Fair Value       $ 4,259            
SLP III | Investment, Identifier [Axis]: RealPage, Inc. 2, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest rate       8.08% 8.08% 8.08%        
Principal Amount or Par Value       $ 5,000            
Cost       4,975            
Fair Value       $ 5,028            
SLP III | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.05% 8.05% 8.05%              
Principal Amount or Par Value $ 5,000                  
Cost 4,977                  
Fair Value $ 5,010                  
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.94% 8.94% 8.94% 8.97% 8.97% 8.97%        
Principal Amount or Par Value $ 6,258     $ 6,274            
Cost 6,192     6,203            
Fair Value $ 6,259     $ 6,274            
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.57% 9.57% 9.57% 9.61% 9.61% 9.61%        
Principal Amount or Par Value $ 2,637     $ 3,632            
Cost 2,594     3,568            
Fair Value $ 2,637     $ 3,632            
SLP III | Investment, Identifier [Axis]: Secretariat Advisors LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 8,505                  
Cost 8,463                  
Fair Value 8,484                  
SLP III | Investment, Identifier [Axis]: Secretariat Advisors LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 1,025                  
Cost 0                  
Fair Value $ (3)                  
SLP III | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25% 6.75% 6.75% 6.75%        
Interest rate 10.54% 10.54% 10.54% 11.34% 11.34% 11.34%        
Principal Amount or Par Value $ 2,534     $ 2,540            
Cost 2,533     2,539            
Fair Value $ 2,534     $ 2,540            
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.30% 8.30% 8.30% 8.33% 8.33% 8.33%        
Principal Amount or Par Value $ 13,264     $ 12,225            
Cost 13,136     12,093            
Fair Value $ 13,263     $ 12,315            
SLP III | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest rate 7.57% 7.57% 7.57% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 3,746     $ 3,746            
Cost 3,742     3,741            
Fair Value $ 3,729     $ 3,776            
SLP III | Investment, Identifier [Axis]: Summit Acquisition Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.07% 8.07% 8.07% 8.08% 8.08% 8.08%        
Principal Amount or Par Value $ 6,000     $ 6,000            
Cost 5,971     5,971            
Fair Value $ 6,000     $ 6,000            
SLP III | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.89% 8.89% 8.89% 9.19% 9.19% 9.19%        
Principal Amount or Par Value $ 15,360     $ 15,400            
Cost 15,296     15,331            
Fair Value $ 13,411     $ 14,122            
SLP III | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 9.07% 9.07% 9.07% 9.28% 9.28% 9.28%        
Principal Amount or Par Value $ 14,636     $ 14,674            
Cost 14,587     14,622            
Fair Value $ 14,636     $ 14,720            
SLP III | Investment, Identifier [Axis]: TMF Sapphire Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.75% 2.75% 2.75% 3.50% 3.50% 3.50%        
Interest rate 7.05% 7.05% 7.05% 8.09% 8.09% 8.09%        
Principal Amount or Par Value $ 1,885     $ 2,640            
Cost 1,858     2,600            
Fair Value $ 1,890     $ 2,657            
SLP III | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.32% 7.32% 7.32% 7.97% 7.97% 7.97%        
Principal Amount or Par Value $ 9,448     $ 13,884            
Cost 9,417     13,836            
Fair Value $ 9,368     $ 14,018            
SLP III | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.44% 8.44% 8.44% 8.47% 8.47% 8.47%        
Principal Amount or Par Value $ 4,006     $ 4,016            
Cost 3,995     4,005            
Fair Value $ 3,345     $ 3,414            
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 8,484     $ 8,506            
Cost 8,465     8,485            
Fair Value 8,484     8,506            
SLP III | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 80,092     $ 80,215            
SLP III | Investment, Identifier [Axis]: UKG Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.30% 7.30% 7.30% 7.62% 7.62% 7.62%        
Principal Amount or Par Value $ 5,798     $ 5,812            
Cost 5,793     5,808            
Fair Value $ 5,795     $ 5,861            
SLP III | Investment, Identifier [Axis]: VSTG Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 4.75% 4.75% 4.75%        
Interest rate 8.05% 8.05% 8.05% 9.08% 9.08% 9.08%        
Principal Amount or Par Value $ 5,289     $ 4,455            
Cost 5,270     4,436            
Fair Value $ 5,302     $ 4,475            
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.57% 9.57% 9.57% 9.73% 9.73% 9.73%        
Principal Amount or Par Value $ 2,256     $ 2,256            
Cost 2,236     2,235            
Fair Value $ 2,279     $ 2,328            
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50% 1.50% 1.50% 1.50%        
PIK 2.25% 2.25% 2.25% 2.25% 2.25% 2.25%        
Interest rate 8.19% 8.19% 8.19% 8.35% 8.35% 8.35%        
Principal Amount or Par Value $ 3,122     $ 3,105            
Cost 3,122     3,105            
Fair Value $ 2,668     $ 2,738            
SLP III | Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.32% 8.32% 8.32% 8.59% 8.59% 8.59%        
Principal Amount or Par Value $ 7,082     $ 7,100            
Cost 7,048     7,065            
Fair Value $ 7,098     $ 7,188            
SLP III | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.57% 9.57% 9.57% 9.61% 9.61% 9.61%        
Principal Amount or Par Value $ 6,900     $ 6,918            
Cost 6,661     6,667            
Fair Value $ 6,856     $ 6,869            
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.56% 8.56% 8.56% 8.59% 8.59% 8.59%        
Principal Amount or Par Value $ 14,073     $ 14,109            
Cost 14,052     14,086            
Fair Value $ 13,422     $ 13,597            
SLP III | Investment, Identifier [Axis]: Xplor T1, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.80% 7.80% 7.80% 7.83% 7.83% 7.83%        
Principal Amount or Par Value $ 5,573     $ 5,587            
Cost 5,547     5,560            
Fair Value $ 5,613     $ 5,651            
SLP III | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.54% 9.54% 9.54% 9.84% 9.84% 9.84%        
Principal Amount or Par Value $ 4,021     $ 4,031            
Cost 3,914     3,916            
Fair Value $ 4,021     $ 4,082            
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.61% 7.61% 7.61%        
Principal Amount or Par Value $ 6,773     $ 6,773            
Cost 6,592     6,582            
Fair Value 6,714     $ 6,806            
SLP III | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.36% 8.36% 8.36%        
Principal Amount or Par Value       $ 3,594            
Cost       3,594            
Fair Value       3,620            
SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 467,692     481,040            
Cost 460,308     474,738            
Fair Value 451,133     469,326            
SLP IV | Funded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 464,920     479,828            
Cost 460,316     474,743            
Fair Value 451,149     469,318            
SLP IV | Unfunded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 2,772                  
Cost (8)     (5)            
Fair Value $ (16)     $ 8            
SLP IV | Investment, Identifier [Axis]: ADG, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% 1.00% 1.00% 1.00% 1.00% 1.00%        
PIK 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 8.45% 8.45% 8.45% 8.48% 8.48% 8.48%        
Principal Amount or Par Value $ 18,015     $ 17,933            
Cost 18,011     17,928            
Fair Value $ 15,545     $ 15,544            
SLP IV | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.22% 8.22% 8.22%        
Principal Amount or Par Value $ 1,809     $ 1,814            
Cost 1,805     1,809            
Fair Value $ 1,798     $ 1,788            
SLP IV | Investment, Identifier [Axis]: AmSpec Parent LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.56% 8.56% 8.56%        
Principal Amount or Par Value       $ 2,986            
Cost       2,971            
Fair Value       3,009            
SLP IV | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.55% 8.55% 8.55%              
Principal Amount or Par Value $ 2,986                  
Cost 2,971                  
Fair Value 2,986                  
SLP IV | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 459                  
Cost (1)                  
Fair Value $ 0                  
SLP IV | Investment, Identifier [Axis]: AmSpec parent, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value       459            
Cost       (1)            
Fair Value       $ 3            
SLP IV | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00% 3.00%        
Interest rate       7.36% 7.36% 7.36%        
Principal Amount or Par Value       $ 4,127            
Cost       4,115            
Fair Value       $ 4,168            
SLP IV | Investment, Identifier [Axis]: Asurion, LLC, First Lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.71% 8.71% 8.71%        
Principal Amount or Par Value       $ 9,692            
Cost       9,623            
Fair Value       $ 9,716            
SLP IV | Investment, Identifier [Axis]: Asurion, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.67% 8.67% 8.67%              
Principal Amount or Par Value $ 9,667                  
Cost 9,603                  
Fair Value $ 9,592                  
SLP IV | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest rate 7.57% 7.57% 7.57% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 5,285     $ 5,299            
Cost 5,250     5,264            
Fair Value $ 5,221     $ 5,334            
SLP IV | Investment, Identifier [Axis]: BIFM CA Buyer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.07% 8.07% 8.07% 8.11% 8.11% 8.11%        
Principal Amount or Par Value $ 2,703     $ 2,709            
Cost 2,675     2,679            
Fair Value $ 2,707     $ 2,736            
SLP IV | Investment, Identifier [Axis]: BW Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.46% 8.46% 8.46% 8.66% 8.66% 8.66%        
Principal Amount or Par Value $ 2,019     $ 2,024            
Cost 1,913     1,913            
Fair Value $ 1,686     $ 1,810            
SLP IV | Investment, Identifier [Axis]: Bach Finance Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.75% 3.75% 3.75%        
Interest rate 7.50% 7.50% 7.50% 8.26% 8.26% 8.26%        
Principal Amount or Par Value $ 1,607     $ 1,607            
Cost 1,603     1,603            
Fair Value $ 1,608     $ 1,621            
SLP IV | Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50% 4.50%        
Interest rate       9.09% 9.09% 9.09%        
Principal Amount or Par Value       $ 4,900            
Cost       4,793            
Fair Value       $ 4,551            
SLP IV | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 9.05% 9.05% 9.05% 9.35% 9.35% 9.35%        
Principal Amount or Par Value $ 8,834     $ 8,853            
Cost 8,803     8,820            
Fair Value $ 8,834     $ 8,853            
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.75% 3.75% 3.75%        
Interest rate 7.57% 7.57% 7.57% 8.21% 8.21% 8.21%        
Principal Amount or Par Value $ 743     $ 745            
Cost 742     743            
Fair Value $ 742     $ 751            
SLP IV | Investment, Identifier [Axis]: Bleriot US Bidco Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.75% 2.75% 2.75%        
Interest rate       7.08% 7.08% 7.08%        
Principal Amount or Par Value       $ 3,861            
Cost       3,846            
Fair Value       $ 3,885            
SLP IV | Investment, Identifier [Axis]: Boxer Parent Company Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.75% 3.75% 3.75%        
Interest rate 7.29% 7.29% 7.29% 8.34% 8.34% 8.34%        
Principal Amount or Par Value $ 10,440     $ 10,440            
Cost 10,418     10,415            
Fair Value $ 10,271     $ 10,541            
SLP IV | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 4,339     $ 4,350            
Cost 4,251     4,255            
Fair Value $ 4,358     $ 4,394            
SLP IV | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest rate       8.05% 8.05% 8.05%        
Principal Amount or Par Value       $ 8,013            
Cost       7,978            
Fair Value       $ 8,058            
SLP IV | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.30% 9.30% 9.30% 9.33% 9.33% 9.33%        
Principal Amount or Par Value $ 6,573     $ 6,589            
Cost 6,432     6,442            
Fair Value $ 6,318     $ 6,354            
SLP IV | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.79% 7.79% 7.79% 8.12% 8.12% 8.12%        
Principal Amount or Par Value $ 1,569     $ 1,573            
Cost 1,569     1,573            
Fair Value 1,574     1,588            
SLP IV | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 116     116            
Cost 0     0            
Fair Value $ 0     $ 1            
SLP IV | Investment, Identifier [Axis]: Cloudera, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.17% 8.17% 8.17% 8.21% 8.21% 8.21%        
Principal Amount or Par Value $ 9,298     $ 9,322            
Cost 9,182     9,199            
Fair Value $ 9,170     $ 9,336            
SLP IV | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 3,676                  
Cost 3,658                  
Fair Value 3,676                  
SLP IV | Investment, Identifier [Axis]: Cohnreznick Advisory LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 851                  
Cost (4)                  
Fair Value $ 0                  
SLP IV | Investment, Identifier [Axis]: CommerceHub, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25% 6.25% 6.25% 6.25%        
Interest rate 10.56% 10.56% 10.56% 10.90% 10.90% 10.90%        
Principal Amount or Par Value $ 538     $ 539            
Cost 538     539            
Fair Value $ 538     $ 539            
SLP IV | Investment, Identifier [Axis]: CommerceHub, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.46% 8.46% 8.46% 8.80% 8.80% 8.80%        
Principal Amount or Par Value $ 4,057     $ 4,067            
Cost 3,926     3,926            
Fair Value $ 3,940     $ 3,866            
SLP IV | Investment, Identifier [Axis]: Confluence Technologies, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.20% 8.20% 8.20%              
Principal Amount or Par Value $ 9,675                  
Cost 9,649                  
Fair Value $ 8,629                  
SLP IV | Investment, Identifier [Axis]: Confluence Technologies, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest rate 9.29% 9.29% 9.29%              
Principal Amount or Par Value $ 943                  
Cost 943                  
Fair Value $ 943                  
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.44% 8.44% 8.44% 8.47% 8.47% 8.47%        
Principal Amount or Par Value $ 3,106     $ 3,115            
Cost 3,097     3,104            
Fair Value $ 2,951     $ 3,048            
SLP IV | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest rate 7.55% 7.55% 7.55% 7.85% 7.85% 7.85%        
Principal Amount or Par Value $ 6,791     $ 6,808            
Cost 6,770     6,786            
Fair Value $ 6,825     $ 6,842            
SLP IV | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.00% 1.00% 1.00% 1.00% 1.00% 1.00%        
PIK 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 9.57% 9.57% 9.57% 9.68% 9.68% 9.68%        
Principal Amount or Par Value $ 3,437     $ 3,414            
Cost 3,387     3,360            
Fair Value $ 3,161     $ 3,098            
SLP IV | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.22% 8.22% 8.22%        
Principal Amount or Par Value $ 1,823     $ 1,828            
Cost 1,818     1,823            
Fair Value $ 1,597     $ 1,612            
SLP IV | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.32% 7.32% 7.32% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 10,454     $ 10,480            
Cost 10,406     10,431            
Fair Value $ 10,493     $ 10,507            
SLP IV | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 4.38% 4.38% 4.38%        
Interest rate 8.04% 8.04% 8.04% 8.95% 8.95% 8.95%        
Principal Amount or Par Value $ 5,788     $ 5,788            
Cost 5,475     5,461            
Fair Value $ 5,734     $ 5,830            
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.70% 8.70% 8.70% 8.73% 8.73% 8.73%        
Principal Amount or Par Value $ 9,649     $ 9,674            
Cost 9,584     9,604            
Fair Value $ 9,106     $ 9,245            
SLP IV | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.61% 7.61% 7.61%        
Principal Amount or Par Value $ 993     $ 995            
Cost 987     990            
Fair Value $ 966     $ 1,000            
SLP IV | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 7,386     $ 7,405            
Cost 7,297     7,312            
Fair Value $ 7,044     $ 7,273            
SLP IV | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.32% 8.32% 8.32% 8.36% 8.36% 8.36%        
Principal Amount or Par Value $ 5,014     $ 5,026            
Cost 4,969     4,980            
Fair Value $ 5,017     $ 5,092            
SLP IV | Investment, Identifier [Axis]: FNZ Group Entities Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.29% 9.29% 9.29% 9.55% 9.55% 9.55%        
Principal Amount or Par Value $ 7,270     $ 7,270            
Cost 7,129     7,126            
Fair Value $ 6,762     $ 7,116            
SLP IV | Investment, Identifier [Axis]: Flash Charm, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.79% 7.79% 7.79% 8.07% 8.07% 8.07%        
Principal Amount or Par Value $ 10,031     $ 10,056            
Cost 9,990     10,012            
Fair Value $ 9,306     $ 9,885            
SLP IV | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.30% 8.30% 8.30% 8.60% 8.60% 8.60%        
Principal Amount or Par Value $ 11,015     $ 11,044            
Cost 10,917     10,939            
Fair Value $ 10,492     $ 10,823            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.65% 7.65% 7.65%        
Principal Amount or Par Value $ 121     $ 121            
Cost 120     121            
Fair Value $ 118     $ 122            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.65% 7.65% 7.65%        
Principal Amount or Par Value $ 4,093     $ 4,103            
Cost 4,056     4,065            
Fair Value 4,000     4,130            
SLP IV | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 637     637            
Cost (3)     (4)            
Fair Value $ (14)     $ 4            
SLP IV | Investment, Identifier [Axis]: HP PHRG Borrower, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 5,103                  
Cost 5,055                  
Fair Value $ 4,937                  
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.82% 8.82% 8.82% 8.86% 8.86% 8.86%        
Principal Amount or Par Value $ 9,985     $ 10,011            
Cost 9,784     9,795            
Fair Value $ 9,979     $ 10,042            
SLP IV | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.39% 8.39% 8.39% 8.69% 8.69% 8.69%        
Principal Amount or Par Value $ 9,581     $ 9,607            
Cost 9,569     9,593            
Fair Value $ 8,800     $ 8,490            
SLP IV | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.67% 9.67% 9.67% 9.71% 9.71% 9.71%        
Principal Amount or Par Value $ 6,231     $ 6,246            
Cost 6,075     6,083            
Fair Value $ 6,167     $ 6,163            
SLP IV | Investment, Identifier [Axis]: Inizio Group Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.65% 8.65% 8.65% 8.68% 8.68% 8.68%        
Principal Amount or Par Value $ 3,949     $ 3,949            
Cost 3,927     3,926            
Fair Value $ 3,816     $ 3,905            
SLP IV | Investment, Identifier [Axis]: Kaseya Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.57% 7.57% 7.57%              
Principal Amount or Par Value $ 3,557                  
Cost 3,540                  
Fair Value $ 3,539                  
SLP IV | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.29% 7.29% 7.29% 7.37% 7.37% 7.37%        
Principal Amount or Par Value $ 1,292     $ 4,560            
Cost 1,289     4,549            
Fair Value $ 1,282     $ 4,571            
SLP IV | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.80% 8.80% 8.80% 8.97% 8.97% 8.97%        
Principal Amount or Par Value $ 9,774     $ 9,774            
Cost 9,725     9,721            
Fair Value 9,725     9,853            
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 18,015     $ 17,933            
SLP IV | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 7,309     $ 7,327            
Cost 7,276     7,293            
Fair Value $ 7,306     $ 7,370            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.57% 8.57% 8.57%              
Principal Amount or Par Value $ 5,443                  
Cost 5,389                  
Fair Value $ 5,002                  
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest rate 8.57% 8.57% 8.57%              
Principal Amount or Par Value $ 3,620                  
Cost 3,561                  
Fair Value $ 3,460                  
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.56% 8.56% 8.56%        
Principal Amount or Par Value       $ 3,000            
Cost       2,970            
Fair Value       $ 2,979            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest rate       8.56% 8.56% 8.56%        
Principal Amount or Par Value       $ 6,095            
Cost       5,989            
Fair Value       $ 6,110            
SLP IV | Investment, Identifier [Axis]: Mandolin Technology Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest rate       8.23% 8.23% 8.23%        
Principal Amount or Par Value       $ 9,700            
Cost       9,672            
Fair Value       $ 7,954            
SLP IV | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.84% 7.84% 7.84% 8.07% 8.07% 8.07%        
Principal Amount or Par Value $ 2,029     $ 2,029            
Cost 2,003     2,002            
Fair Value $ 2,052     $ 2,052            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest rate 9.39% 9.39% 9.39% 9.69% 9.69% 9.69%        
Principal Amount or Par Value $ 1,960     $ 1,965            
Cost 1,900     1,900            
Fair Value $ 1,966     $ 1,968            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest rate 8.19% 8.19% 8.19% 8.49% 8.49% 8.49%        
Principal Amount or Par Value $ 7,740     $ 7,761            
Cost 7,721     7,739            
Fair Value $ 7,762     $ 7,773            
SLP IV | Investment, Identifier [Axis]: Mavis Tire Express Services Topco, Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.31% 7.31% 7.31% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 8,180     $ 8,180            
Cost 8,157     8,158            
Fair Value $ 8,140     $ 8,246            
SLP IV | Investment, Identifier [Axis]: Michael Baker International, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.32% 8.32% 8.32%              
Principal Amount or Par Value $ 3,858                  
Cost 3,858                  
Fair Value $ 3,854                  
SLP IV | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 4.75% 4.75% 4.75%        
Interest rate 7.82% 7.82% 7.82% 9.11% 9.11% 9.11%        
Principal Amount or Par Value $ 14,000     $ 9,836            
Cost 13,230     9,009            
Fair Value $ 13,969     $ 9,813            
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       2.75% 2.75% 2.75%        
Interest rate       7.37% 7.37% 7.37%        
Principal Amount or Par Value       $ 4,970            
Cost       4,928            
Fair Value       $ 4,997            
SLP IV | Investment, Identifier [Axis]: Oceankey (U.S.) II Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest rate 7.79% 7.79% 7.79%              
Principal Amount or Par Value $ 3,060                  
Cost 3,052                  
Fair Value $ 3,056                  
SLP IV | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 11,403     $ 11,432            
Cost 11,321     11,344            
Fair Value $ 11,326     $ 11,490            
SLP IV | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest rate       8.05% 8.05% 8.05%        
Principal Amount or Par Value       $ 8,828            
Cost       8,742            
Fair Value       $ 8,864            
SLP IV | Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest rate 7.54% 7.54% 7.54%              
Principal Amount or Par Value $ 2,850                  
Cost 2,840                  
Fair Value $ 2,855                  
SLP IV | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.59% 8.59% 8.59%        
Principal Amount or Par Value       $ 1,307            
Cost       1,305            
Fair Value       $ 1,321            
SLP IV | Investment, Identifier [Axis]: Perforce Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest rate 9.07% 9.07% 9.07% 9.11% 9.11% 9.11%        
Principal Amount or Par Value $ 4,856     $ 4,868            
Cost 4,836     4,848            
Fair Value $ 4,562     $ 4,803            
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% 6.00% 6.00%              
Interest rate 10.30% 10.30% 10.30%              
Principal Amount or Par Value $ 1,798                  
Cost 1,747                  
Fair Value $ 1,678                  
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50%              
PIK 2.50% 2.50% 2.50%              
Interest rate 8.45% 8.45% 8.45%              
Principal Amount or Par Value $ 2,080                  
Cost 2,067                  
Fair Value $ 1,099                  
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.74% 8.74% 8.74%        
Principal Amount or Par Value       $ 3,165            
Cost       3,144            
Fair Value       $ 1,334            
SLP IV | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.80% 7.80% 7.80% 7.83% 7.83% 7.83%        
Principal Amount or Par Value $ 2,992     $ 2,993            
Cost 2,985     2,985            
Fair Value $ 2,976     $ 3,018            
SLP IV | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%        
Interest rate 7.55% 7.55% 7.55% 7.58% 7.58% 7.58%        
Principal Amount or Par Value $ 9,781     $ 9,806            
Cost 9,615     9,633            
Fair Value $ 9,879     $ 9,882            
SLP IV | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.44% 7.44% 7.44% 7.47% 7.47% 7.47%        
Principal Amount or Par Value $ 973     $ 4,975            
Cost 969     4,955            
Fair Value $ 971     $ 5,004            
SLP IV | Investment, Identifier [Axis]: Pushpay USA Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.30% 8.30% 8.30%              
Principal Amount or Par Value $ 3,990                  
Cost 3,990                  
Fair Value $ 3,990                  
SLP IV | Investment, Identifier [Axis]: Quartz Holding Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.82% 7.82% 7.82% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 4,841     $ 6,874            
Cost 4,823     6,845            
Fair Value $ 4,820     $ 6,909            
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest rate 8.05% 8.05% 8.05%              
Principal Amount or Par Value $ 2,000                  
Cost 1,991                  
Fair Value $ 2,004                  
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.00% 3.00% 3.00%        
Interest rate       7.59% 7.59% 7.59%        
Principal Amount or Par Value       $ 1,357            
Cost       1,354            
Fair Value       $ 1,357            
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest rate       8.08% 8.08% 8.08%        
Principal Amount or Par Value       $ 2,000            
Cost       1,990            
Fair Value       $ 2,011            
SLP IV | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.94% 8.94% 8.94% 8.97% 8.97% 8.97%        
Principal Amount or Par Value $ 7,268     $ 7,287            
Cost 7,250     7,268            
Fair Value $ 7,268     $ 7,287            
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.83% 9.83% 9.83% 10.03% 10.03% 10.03%        
Principal Amount or Par Value $ 3,974     $ 3,984            
Cost 3,896     3,892            
Fair Value $ 3,855     $ 3,941            
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% 7.25% 7.25% 7.25% 7.25% 7.25%        
Interest rate 11.83% 11.83% 11.83% 12.03% 12.03% 12.03%        
Principal Amount or Par Value $ 2,243     $ 2,248            
Cost 2,206     2,205            
Fair Value $ 2,243     $ 2,248            
SLP IV | Investment, Identifier [Axis]: Secretariat Advisors LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest rate 8.29% 8.29% 8.29%              
Principal Amount or Par Value $ 5,886                  
Cost 5,857                  
Fair Value 5,871                  
SLP IV | Investment, Identifier [Axis]: Secretariat Advisors LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value 709                  
Cost 0                  
Fair Value $ (2)                  
SLP IV | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25% 6.75% 6.75% 6.75%        
Interest rate 10.54% 10.54% 10.54% 11.34% 11.34% 11.34%        
Principal Amount or Par Value $ 4,439     $ 4,450            
Cost 4,435     4,445            
Fair Value $ 4,439     $ 4,450            
SLP IV | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.30% 8.30% 8.30% 8.33% 8.33% 8.33%        
Principal Amount or Par Value $ 10,232     $ 9,431            
Cost 10,132     9,327            
Fair Value $ 10,232     $ 9,500            
SLP IV | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest rate 7.57% 7.57% 7.57% 7.86% 7.86% 7.86%        
Principal Amount or Par Value $ 3,880     $ 3,880            
Cost 3,875     3,867            
Fair Value $ 3,862     $ 3,911            
SLP IV | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 8.89% 8.89% 8.89% 9.19% 9.19% 9.19%        
Principal Amount or Par Value $ 3,678     $ 3,688            
Cost 3,673     3,683            
Fair Value $ 3,212     $ 3,382            
SLP IV | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest rate 9.07% 9.07% 9.07% 9.28% 9.28% 9.28%        
Principal Amount or Par Value $ 9,772     $ 9,798            
Cost 9,764     9,788            
Fair Value $ 9,772     $ 9,828            
SLP IV | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%        
Interest rate 7.32% 7.32% 7.32% 7.97% 7.97% 7.97%        
Principal Amount or Par Value $ 5,372     $ 9,973            
Cost 5,355     9,939            
Fair Value $ 5,327     $ 10,070            
SLP IV | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.44% 8.44% 8.44% 8.47% 8.47% 8.47%        
Principal Amount or Par Value $ 5,892     $ 5,908            
Cost 5,876     5,891            
Fair Value $ 4,920     $ 5,021            
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest rate 8.55% 8.55% 8.55% 8.58% 8.58% 8.58%        
Principal Amount or Par Value $ 5,634     $ 5,648            
Cost 5,620     5,634            
Fair Value 5,634     5,648            
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount or Par Value $ 66,265     $ 62,752            
SLP IV | Investment, Identifier [Axis]: VSTG Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 4.75% 4.75% 4.75%        
Interest rate 8.05% 8.05% 8.05% 9.08% 9.08% 9.08%        
Principal Amount or Par Value $ 3,948     $ 3,372            
Cost 3,934     3,357            
Fair Value $ 3,958     $ 3,387            
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest rate 7.30% 7.30% 7.30% 7.33% 7.33% 7.33%        
Principal Amount or Par Value $ 5,710     $ 5,724            
Cost 5,662     5,675            
Fair Value $ 5,714     $ 5,771            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 1 First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.25% 5.25% 5.25%        
Interest rate       9.73% 9.73% 9.73%        
Principal Amount or Par Value       $ 1,641            
Cost       1,625            
Fair Value       $ 1,693            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest rate 9.57% 9.57% 9.57%              
Principal Amount or Par Value $ 1,641                  
Cost 1,626                  
Fair Value $ 1,658                  
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.50% 1.50% 1.50% 1.50% 1.50% 1.50%        
PIK 2.25% 2.25% 2.25% 2.25% 2.25% 2.25%        
Interest rate 8.19% 8.19% 8.19% 8.35% 8.35% 8.35%        
Principal Amount or Par Value $ 2,271     $ 2,258            
Cost 2,271     2,258            
Fair Value $ 1,941     $ 1,992            
SLP IV | Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.32% 8.32% 8.32% 8.59% 8.59% 8.59%        
Principal Amount or Par Value $ 2,494     $ 2,500            
Cost 2,482     2,488            
Fair Value $ 2,499     $ 2,531            
SLP IV | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.57% 9.57% 9.57% 9.61% 9.61% 9.61%        
Principal Amount or Par Value $ 3,989     $ 3,999            
Cost 3,806     3,807            
Fair Value $ 3,963     $ 3,971            
SLP IV | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest rate 8.56% 8.56% 8.56% 8.59% 8.59% 8.59%        
Principal Amount or Par Value $ 9,277     $ 9,300            
Cost 9,251     9,273            
Fair Value $ 8,848     $ 8,963            
SLP IV | Investment, Identifier [Axis]: Xplor T1, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest rate 7.80% 7.80% 7.80% 7.83% 7.83% 7.83%        
Principal Amount or Par Value $ 4,055     $ 4,065            
Cost 4,036     4,046            
Fair Value $ 4,084     $ 4,112            
SLP IV | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest rate 9.54% 9.54% 9.54% 9.84% 9.84% 9.84%        
Principal Amount or Par Value $ 3,102     $ 3,110            
Cost 3,027     3,032            
Fair Value $ 3,102     $ 3,149            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.50% 5.50% 5.50%        
Interest rate       10.27% 10.27% 10.27%        
Principal Amount or Par Value       $ 2,138            
Cost       2,112            
Fair Value       $ 2,086            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 1, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50% 5.50% 5.50% 5.50%        
Interest rate 9.94% 9.94% 9.94% 10.27% 10.27% 10.27%        
Principal Amount or Par Value $ 9,700     $ 9,725            
Cost 9,592     9,609            
Fair Value $ 9,623     $ 9,489            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc. 2, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest rate 9.94% 9.94% 9.94%              
Principal Amount or Par Value $ 2,132                  
Cost 2,109                  
Fair Value $ 2,115                  
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%        
Interest rate 7.32% 7.32% 7.32% 7.61% 7.61% 7.61%        
Principal Amount or Par Value $ 2,349     $ 2,349            
Cost 2,342     2,342            
Fair Value $ 2,329     $ 2,361            
SLP IV | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest rate       8.36% 8.36% 8.36%        
Principal Amount or Par Value       $ 2,167            
Cost       2,160            
Fair Value       $ 2,183            
[1] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[2] 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.
[3] Investment is held by New Mountain Finance Corporation
[4] 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, 2025, 14.2% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[5] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of March 31, 2025.
[6] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[7] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[8] Investment is held by New Mountain Finance Corporation
[9] Par 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 amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[11] 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.
[12] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[13] Investment is held by New Mountain Finance Holdings, L.L.C.
[14] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[15] Investment is held by New Mountain Finance Holdings, L.L.C.
[16] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of December 31, 2024.
[17] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[18] Investment is held by New Mountain Finance SBIC, L.P.
[19] Investment is held by New Mountain Finance SBIC, L.P.
[20] All or a portion of interest contains PIK interest. See Note 2. Summary of Significant Accounting Policies-Revenue Recognition, for details.
[21] All or a portion of interest contains PIK interest.
[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, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc.
[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, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc.
[24] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2024, 14.6% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[25] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[26] Investment is on non-accrual status. See Note 3. Investments, for details.
[27] Investment is held by NMF Ancora Holdings, Inc.
[28] Investment is held by NMF Ancora Holdings, Inc.
[29] The Company holds preferred equity in Bamboo Health Intermediate Holdings, Inc.(fka Appriss Health Intermediate Holdings, Inc.) and holds a first lien term loan and a first lien revolver in Bamboo Health Holdings, LLC (fka Appriss Health, LLC), a wholly-owned subsidiary of Bamboo Health Intermediate Holdings, Inc.
[30] Investment is held by New Mountain Finance SBIC II, L.P.
[31] Investment is held by New Mountain Finance SBIC II, L.P.
[32] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[33] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[34] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc.
[35] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc.
[36] The Company holds ordinary shares and preferred equity in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC.
[37] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and three first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[38] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[39] The Company holds a LP Interest in Firebird Co-Invest L.P. and holds a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P. .
[40] Investment is held by NMF HB, Inc.
[41] Investment is held by NMF HB, Inc.
[42] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and two first lien delayed draws in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc.
[43] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[44] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[45] Investment is held by New Mountain Net Lease Corporation.
[46] Investment is held by New Mountain Net Lease Corporation.
[47] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of March 31, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,503 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $17,830, $6,935, $1,068 and $226, respectively. See Note 2. Summary of Significant Accounting Policies, for details
[48] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2024, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,057 and the Nelipak Holding Company first lien term loan, drawn revolver, undrawn delayed draw term loan and undrawn revolver is $17,109, $406 $6,638 and $833, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[49] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[50] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[51] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of March 31, 2025. See Note 2. Summary of Significant Accounting Policies, for details.
[52] Investment is on non-accrual status. See Note 3. Investments, for details.
[53] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of December 31, 2024. See Note 2. Summary of Significant Accounting Policies, for details.
[54] Investment is held by NMF Permian Holdings, LLC.
[55] Investment is held by NMF Permian Holdings, LLC.
[56] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[57] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[58] Investment is held by NMF Pioneer, Inc.
[59] Investment is held by NMF Pioneer, Inc.