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Investments - Portfolio Summary for SLP III and SLP IV (Details)
€ in Thousands, £ in Thousands, $ in Thousands
Dec. 31, 2023
USD ($)
company
Dec. 31, 2023
GBP (£)
company
Dec. 31, 2023
EUR (€)
company
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
company
Dec. 31, 2022
GBP (£)
company
Dec. 31, 2022
EUR (€)
company
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 14,011                    
Interest rate [2],[3],[4] 11.50% 11.50% 11.50%                
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 5,495                    
Interest rate [2],[4],[5] 11.50% 11.50% 11.50%                
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[7] $ 22,965                    
Interest rate [2],[4],[6],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5],[6] $ 7,450                    
Interest rate [2],[4],[5],[6] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 20,426                    
Interest rate [2],[4],[8] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 9,698                    
Interest rate [2],[4],[5] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 12,357            
Interest rate [10],[11],[12],[13]         9.82% 9.82% 9.82%        
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[14]         $ 4,009            
Interest rate [10],[11],[13],[14]         9.82% 9.82% 9.82%        
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,659 [1],[2],[3],[6]       $ 4,231 [9],[10],[11],[12]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         3,659            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         13,041            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 20,634            
Interest rate [11],[13],[15]         9.89% 9.89% 9.89%        
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 9,797            
Interest rate [11],[13],[14]         9.89% 9.89% 9.89%        
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 12,494            
Interest rate [11],[12],[13]         11.50% 11.50% 11.50%        
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 4,900            
Interest rate [11],[13],[14]         11.50% 11.50% 11.50%        
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,397                    
Interest rate [2],[3],[4],[6] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 353                    
Interest rate [2],[3],[4],[6] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 22,025                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 3,904                    
Interest rate [2],[3],[4] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 22,082            
Interest rate [11],[12],[13]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 2,840            
Interest rate [10],[11],[12],[13]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 259            
Interest rate [10],[11],[12],[13]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,001 [1],[2],[3],[6]       $ 2,095 [9],[10],[11],[12]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,909 [1],[2],[3],[6]       5,386 [9],[10],[11],[12]            
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 11.75% 11.75% 11.75%                
Investment, Identifier [Axis]: ADG, LLC, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 7,430            
Interest rate [11],[12],[13]         14.38% 14.38% 14.38%        
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 13,444                    
Interest rate [2],[4],[8] 13.75% 13.75% 13.75%                
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 13,444            
Interest rate [11],[13],[15]         10.95% 10.95% 10.95%        
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 700                    
Interest rate [2],[3],[4],[6] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 19,159                    
Interest rate [2],[4],[7] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 5,331                    
Interest rate [2],[4],[7] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,969                    
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,969            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         11,718            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 22,321            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,024            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 29,879                    
Interest rate [2],[4],[7],[17],[18] 11.69% 11.69% 11.69%                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 1,527                    
Interest rate [2],[3],[4],[17],[18] 19.44% 19.44% 19.44%                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 5,230                    
Interest rate [2],[3],[4],[17],[18] 7.54% 7.54% 7.54%                
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 2,652 [1],[2],[3],[6],[19]       $ 2,652 [9],[10],[11],[12],[20]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 28,829            
Interest rate [11],[13],[16]         10.38% 10.38% 10.38%        
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 1,527            
Interest rate [11],[12],[13]         18.13% 18.13% 18.13%        
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.), Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 5,230       $ 5,230 [9],[11],[12]            
Interest rate [11],[12],[13]         4.75% 4.75% 4.75%        
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]                      
Principal amount or par value [1],[2],[7] $ 10,618                    
Interest rate [2],[4],[7] 11.85% 11.85% 11.85%                
Investment, Identifier [Axis]: Anaplan, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 33,618            
Interest rate [11],[13],[16]         10.82% 10.82% 10.82%        
Investment, Identifier [Axis]: Ansira Holdings, Inc, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,161            
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 313            
Interest rate [10],[11],[12],[13]         14.42% 14.42% 14.42%        
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 32,953            
Interest rate [11],[13],[15]         10.91% 10.91% 10.91%        
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9]         $ 8,316            
Interest rate [13]         11.15% 11.15% 11.15%        
Investment, Identifier [Axis]: Appriss Health Intermediate Holdings, Inc., Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: Appriss Health, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 6,188                    
Interest rate [2],[4],[8] 12.32% 12.32% 12.32%                
Investment, Identifier [Axis]: Appriss Health, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 6,234            
Interest rate [11],[13],[15]         11.54% 11.54% 11.54%        
Investment, Identifier [Axis]: Appriss Health, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 417 [1],[2],[3],[6]       $ 417 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Apptio, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,240            
Interest rate [10],[11],[12],[13]         9.94% 9.94% 9.94%        
Investment, Identifier [Axis]: Apptio, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 827            
Investment, Identifier [Axis]: Apptio, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 5,703            
Interest rate [11],[13],[15]         9.94% 9.94% 9.94%        
Investment, Identifier [Axis]: Apptio, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 5,500            
Interest rate [11],[13],[16]         9.94% 9.94% 9.94%        
Investment, Identifier [Axis]: Associations, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,252                    
Interest rate [2],[3],[4],[6] 12.14% 12.14% 12.14%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 33,701                    
Interest rate [2],[4],[7] 12.18% 12.18% 12.18%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 9,037                    
Interest rate [2],[4],[7] 12.13% 12.13% 12.13%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 9,036                    
Interest rate [2],[4],[8] 12.15% 12.15% 12.15%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 5,457                    
Interest rate [2],[4],[8] 12.13% 12.13% 12.13%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 4,341                    
Interest rate [2],[4],[8] 12.17% 12.17% 12.17%                
Investment, Identifier [Axis]: Associations, Inc. First Lien 6                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,121                    
Interest rate [2],[4],[7] 12.16% 12.16% 12.16%                
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,291 [1],[2],[3],[6]       $ 3,543 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Associations, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 35,786            
Interest rate [11],[13],[16]         10.36% 10.36% 10.36%        
Investment, Identifier [Axis]: Associations, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 8,810            
Interest rate [11],[13],[15]         11.26% 11.26% 11.26%        
Investment, Identifier [Axis]: Associations, Inc., First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 8,810            
Interest rate [11],[13],[16]         11.29% 11.29% 11.29%        
Investment, Identifier [Axis]: Associations, Inc., First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 5,321            
Interest rate [11],[13],[15]         10.97% 10.97% 10.97%        
Investment, Identifier [Axis]: Associations, Inc., First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 4,233            
Interest rate [11],[13],[15]         10.36% 10.36% 10.36%        
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 34,459 [1],[2],[8]       $ 34,459 [9],[11],[15],[21]            
Interest rate 13.72% [2],[4],[8] 13.72% [2],[4],[8] 13.72% [2],[4],[8]   12.63% [11],[13],[15],[21] 12.63% [11],[13],[15],[21] 12.63% [11],[13],[15],[21]        
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,454                    
Interest rate [2],[4],[7] 12.61% 12.61% 12.61%                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7] $ 1,345                    
Interest rate [4],[7] 12.11% 12.11% 12.11%                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[16],[21]         $ 3,454            
Interest rate [13],[16],[21]         11.48% 11.48% 11.48%        
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 320 [1],[2],[3],[6],[22]       $ 320 [9],[10],[12],[21]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 21,847                    
Interest rate [2],[4],[8] 11.23% 11.23% 11.23%                
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 14,774                    
Interest rate [2],[4],[7] 11.23% 11.23% 11.23%                
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 22,069            
Interest rate [11],[13],[15]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 14,925            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Avalara, Inc First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 17,198                    
Interest rate [2],[4],[8] 12.60% 12.60% 12.60%                
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,720 [1],[2],[3],[6]       $ 3,538 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Avalara, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 22,500            
Interest rate [11],[13],[15]         11.83% 11.83% 11.83%        
Investment, Identifier [Axis]: Avalara, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 12,880            
Interest rate [11],[13],[16]         11.83% 11.83% 11.83%        
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3] 12.25% 12.25% 12.25%                
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,212            
Interest rate [10],[11],[12],[13]         9.93% 9.93% 9.93%        
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 303            
Investment, Identifier [Axis]: Bluefin Holding, LLC, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 18,000            
Interest rate [11],[13],[15]         12.48% 12.48% 12.48%        
Investment, Identifier [Axis]: Brave Parent Holdings, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 20,171                    
Interest rate [2],[4],[23] 10.36% 10.36% 10.36%                
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 2,292                    
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 22,500            
Interest rate [11],[13],[24]         11.88% 11.88% 11.88%        
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [2],[7],[9]         $ 16,624            
Interest rate [2],[7],[13]         11.88% 11.88% 11.88%        
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 6,000            
Interest rate [11],[13],[15]         11.88% 11.88% 11.88%        
Investment, Identifier [Axis]: Brave Parent Holdings, Inc.n, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 1,146                    
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 16,487                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,407                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 763                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 342                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 273                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 392            
Interest rate [10],[11],[12],[13]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 852 [1],[2],[3],[6]       $ 460 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 16,659            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 3,442            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 771            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 345            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 275            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: CFS Management, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 11,188                    
Interest rate [2],[4],[7] 12.61% 12.61% 12.61%                
Investment, Identifier [Axis]: CFS Management, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,333                    
Interest rate [2],[4],[7] 12.61% 12.61% 12.61%                
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 11,392            
Interest rate [11],[13],[16]         11.84% 11.84% 11.84%        
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 3,393            
Interest rate [11],[13],[16]         11.84% 11.84% 11.84%        
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 8,317            
Interest rate [11],[13],[16]         11.98% 11.98% 11.98%        
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 916            
Interest rate [10],[11],[12],[13]         11.63% 11.63% 11.63%        
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 226 [1],[2],[3],[6]       $ 226 [9],[10],[11],[12]            
Investment, Identifier [Axis]: CG Group Holdings, LLC,First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 8,403                    
Interest rate [2],[4],[7],[18] 14.10% 14.10% 14.10%                
Investment, Identifier [Axis]: CG Group Holdings, LLC,First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 935                    
Interest rate [2],[3],[4],[6],[18] 14.11% 14.11% 14.11%                
Investment, Identifier [Axis]: CHA Holdings, Inc. Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 7,012                    
Interest rate [2],[4],[5] 14.22% 14.22% 14.22%                
Investment, Identifier [Axis]: CHA Holdings, Inc. Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 4,453                    
Interest rate [2],[3],[4] 14.22% 14.22% 14.22%                
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 7,012            
Interest rate [11],[13],[14]         13.48% 13.48% 13.48%        
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 4,453            
Interest rate [11],[12],[13]         13.48% 13.48% 13.48%        
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 18,266                    
Interest rate [2],[3],[4] 12.71% 12.71% 12.71%                
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 7,500                    
Interest rate [2],[4],[8] 12.71% 12.71% 12.71%                
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 18,266            
Interest rate [11],[12],[13]         11.63% 11.63% 11.63%        
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 7,500            
Interest rate [11],[13],[15]         11.63% 11.63% 11.63%        
Investment, Identifier [Axis]: Calabrio, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[23] $ 12,347                    
Interest rate [4],[23] 12.48% 12.48% 12.48%                
Investment, Identifier [Axis]: Calabrio, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3],[6] $ 850                    
Interest rate [3],[4],[6] 12.48% 12.48% 12.48%                
Investment, Identifier [Axis]: Calabrio, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 12,347            
Interest rate [11],[13],[24]         11.73% 11.73% 11.73%        
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 850            
Interest rate [10],[11],[12],[13]         11.75% 11.75% 11.75%        
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 637 [1],[3],[6]       $ 637 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Cardinal Parent, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[5] $ 11,852                    
Interest rate [4],[5] 10.00% 10.00% 10.00%                
Investment, Identifier [Axis]: Cardinal Parent, Inc. Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 9,767                    
Interest rate [2],[4],[5] 13.25% 13.25% 13.25%                
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 11,974            
Interest rate [11],[13],[14]         9.23% 9.23% 9.23%        
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 9,767            
Interest rate [11],[13],[14]         12.46% 12.46% 12.46%        
Investment, Identifier [Axis]: Castle Management Borrower LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 14,288            
Interest rate [11],[13],[15]         3.19% 3.19% 3.19%        
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 47,838                    
Interest rate [2],[3],[4] 13.00% 13.00% 13.00%                
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 7,500                    
Interest rate [2],[4],[8] 13.00% 13.00% 13.00%                
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 47,838            
Interest rate [12],[13]         12.23% 12.23% 12.23%        
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[15]         $ 7,500            
Interest rate [13],[15]         12.23% 12.23% 12.23%        
Investment, Identifier [Axis]: CommerceHub, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 3,960                    
Interest rate [2],[3],[4] 11.79% 11.79% 11.79%                
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,091                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 7,163            
Interest rate [11],[13],[16]         10.17% 10.17% 10.17%        
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 425 [1],[2],[3],[6]       $ 425 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 849 [1],[2],[3],[6]       849 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 19,022                    
Interest rate [2],[4],[5] 10.70% 10.70% 10.70%                
Investment, Identifier [Axis]: Convey Health Solutions, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 3,176                    
Interest rate [2],[4],[5] 10.70% 10.70% 10.70%                
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 19,215            
Interest rate [11],[13],[14]         9.93% 9.93% 9.93%        
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 3,208            
Interest rate [11],[13],[14]         9.93% 9.93% 9.93%        
Investment, Identifier [Axis]: Coupa Holdings, LLC First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,230                    
Interest rate [2],[4],[7] 12.86% 12.86% 12.86%                
Investment, Identifier [Axis]: Coupa Holdings, LLC First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 7,230                    
Interest rate [2],[4],[8] 12.86% 12.86% 12.86%                
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,291                    
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 989                    
Investment, Identifier [Axis]: Coyote Buyer, LLC First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[23] $ 13,653                    
Interest rate [4],[23] 11.53% 11.53% 11.53%                
Investment, Identifier [Axis]: Coyote Buyer, LLC First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[23] $ 2,457                    
Interest rate [4],[23] 13.54% 13.54% 13.54%                
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,013 [1],[3],[6]       $ 1,013 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 13,795            
Interest rate [11],[13],[24]         10.41% 10.41% 10.41%        
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 2,482            
Interest rate [11],[13],[24]         12.73% 12.73% 12.73%        
Investment, Identifier [Axis]: Cube Industrials Buyer, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 4,483                    
Interest rate [2],[3],[4] 11.40% 11.40% 11.40%                
Investment, Identifier [Axis]: Cube Industrials Buyer, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 517                    
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 1,823                    
Interest rate [2],[4],[7] 11.75% 11.75% 11.75%                
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,021                    
Interest rate [2],[3],[4],[6] 11.85% 11.85% 11.85%                
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 2,836            
Interest rate [10],[11],[12],[13]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 450            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[12]         3,936            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 19,660            
Interest rate [11],[13],[16]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 7,046            
Interest rate [11],[13],[16]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 3,273            
Interest rate [11],[12],[13]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc. Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3] $ 20,313                    
Interest rate [3],[4] 12.22% 12.22% 12.22%                
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 20,313            
Interest rate [12],[13]         11.07% 11.07% 11.07%        
Investment, Identifier [Axis]: DOCS, MSO, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 18,572                    
Interest rate [2],[4],[8] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: DOCS, MSO, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 6,955                    
Interest rate [2],[4],[5] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,405 [1],[2],[3],[6]       $ 2,457 [9],[10],[11],[12]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         2,405            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         6,561            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 18,760            
Interest rate [11],[13],[15]         10.54% 10.54% 10.54%        
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 7,025            
Interest rate [11],[13],[14]         10.54% 10.54% 10.54%        
Investment, Identifier [Axis]: DS Admiral Bidco, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,472                    
Interest rate [2],[4],[7] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: DS Admiral Bidco, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9]         $ 7,547            
Interest rate [13]         11.51% 11.51% 11.51%        
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 66                    
Interest rate [2],[3],[4],[6] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 66                    
Interest rate [2],[3],[4],[6] 13.00% 13.00% 13.00%                
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 13,011                    
Interest rate [2],[4],[8] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 1,096                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 33            
Interest rate [10],[11],[12],[13]         12.00% 12.00% 12.00%        
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 459 [1],[2],[3],[6]       $ 524 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 920 [1],[2],[3],[6]       953 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 13,144            
Interest rate [11],[13],[15]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9]         $ 1,107            
Interest rate [13]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 7.00% 7.00% 7.00%                
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 2,623                    
Interest rate [2],[3],[4],[6] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 37,477                    
Interest rate [2],[4],[7] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 3,945                    
Interest rate [2],[3],[4] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 37,860            
Interest rate [11],[13],[16]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 3,985            
Interest rate [10],[11],[12],[13]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 2,623            
Interest rate [10],[11],[12],[13]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 404                    
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 404            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         9,080            
Investment, Identifier [Axis]: Diligent Corporation , First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 1,667                    
Investment, Identifier [Axis]: Diligent Corporation, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,957                    
Interest rate [2],[3],[4],[6] 11.76% 11.76% 11.76%                
Investment, Identifier [Axis]: Diligent Corporation, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 17,404                    
Interest rate [2],[4],[7] 11.28% 11.28% 11.28%                
Investment, Identifier [Axis]: Diligent Corporation, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 5,768                    
Interest rate [2],[3],[4] 11.78% 11.78% 11.78%                
Investment, Identifier [Axis]: Diligent Corporation, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 5,679                    
Interest rate [2],[4],[7] 11.28% 11.28% 11.28%                
Investment, Identifier [Axis]: Diligent Corporation, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,087            
Interest rate [10],[11],[12],[13]         10.63% 10.63% 10.63%        
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12],[25]         $ 2,537            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 17,583            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 9,805            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Diligent Corporation, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 5,827            
Interest rate [11],[12],[13]         10.63% 10.63% 10.63%        
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 10.50% 10.50% 10.50%                
Investment, Identifier [Axis]: EAB Global, Inc. Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 14,868                    
Interest rate [2],[4],[7] 11.97% 11.97% 11.97%                
Investment, Identifier [Axis]: EAB Global, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 33,452            
Interest rate [11],[13],[16]         10.69% 10.69% 10.69%        
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 10,676                    
Interest rate [2],[7] 13.00% 13.00% 13.00%                
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1] $ 342                    
Interest rate 13.00% 13.00% 13.00%                
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 18,635 [1],[2],[3]       $ 16,473 [9],[11],[12]            
Interest rate 17.50% [2],[3] 17.50% [2],[3] 17.50% [2],[3]   13.00% [11],[12],[13] 13.00% [11],[12],[13] 13.00% [11],[12],[13]        
Investment, Identifier [Axis]: Education Management II LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[16]         $ 300            
Interest rate [13],[16]         13.00% 13.00% 13.00%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 169            
Interest rate [12],[13]         13.00% 13.00% 13.00%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[16]         $ 205            
Interest rate [13],[16]         9.75% 9.75% 9.75%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 115            
Interest rate [12],[13]         9.75% 9.75% 9.75%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[16]         $ 139            
Interest rate [13],[16]         11.75% 11.75% 11.75%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 6                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 79            
Interest rate [12],[13]         11.75% 11.75% 11.75%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 7                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[16]         $ 4            
Interest rate [13],[16]         11.75% 11.75% 11.75%        
Investment, Identifier [Axis]: Education Management II LLC, First lien 8                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 2            
Interest rate [12],[13]         11.75% 11.75% 11.75%        
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 14,582            
Interest rate [11],[13],[16]         13.88% 13.88% 13.88%        
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 4,503                    
Interest rate [2],[3],[4],[6] 11.52% 11.52% 11.52%                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 315                    
Interest rate [2],[3],[4],[6] 11.26% 11.26% 11.26%                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 10,290                    
Interest rate [2],[4],[23] 11.25% 11.25% 11.25%                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 3,454                    
Interest rate [2],[4],[23] 11.28% 11.28% 11.28%                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 3,432                    
Interest rate [2],[4],[23] 11.25% 11.25% 11.25%                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 490            
Interest rate [10],[11],[12],[13]         10.50% 10.50% 10.50%        
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 589            
Interest rate [10],[11],[12],[13]         10.53% 10.53% 10.53%        
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,229 [1],[2],[3],[6]       $ 910 [9],[10],[11],[12]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 1,085 [1],[2],[3],[6]       5,165 [9],[10],[11],[12]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 10,395            
Interest rate [11],[13],[24]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 3,489            
Interest rate [11],[13],[24]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 3,467            
Interest rate [11],[13],[24]         10.48% 10.48% 10.48%        
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,006                    
Interest rate [2],[3],[4],[6] 11.02% 11.02% 11.02%                
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 33,698                    
Interest rate [2],[4],[7] 11.04% 11.04% 11.04%                
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 347                    
Interest rate [2],[3],[4] 11.04% 11.04% 11.04%                
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,557 [1],[2],[3],[6]       $ 2,095 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 1,090 [1],[2],[3],[6]       4,907 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 31,968            
Interest rate [11],[13],[16]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 2,072            
Interest rate [10],[11],[12],[13]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 143                    
Interest rate [2],[3],[4],[6] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 138                    
Interest rate [2],[3],[4],[6] 10.98% 10.98% 10.98%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 17,353                    
Interest rate [2],[4],[7] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 10,092                    
Interest rate [2],[4],[8] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 1,178                    
Interest rate [2],[3],[4] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 80                    
Interest rate [2],[3],[4] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 381            
Interest rate [10],[11],[12],[13]         9.67% 9.67% 9.67%        
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,718 [1],[2],[3],[6]       $ 81 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 4,435 [1],[2],[3],[6]       2,479 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         4,886            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 17,529            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 10,195            
Interest rate [11],[13],[15]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 875            
Interest rate [11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: Foundational Education Group, Inc. Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 22,500                    
Interest rate [2],[4],[23] 12.14% 12.14% 12.14%                
Investment, Identifier [Axis]: Foundational Education Group, Inc. Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,009                    
Interest rate [2],[4],[7] 12.14% 12.14% 12.14%                
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 22,500            
Interest rate [11],[13],[24]         11.34% 11.34% 11.34%        
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 7,009            
Interest rate [11],[13],[16]         11.34% 11.34% 11.34%        
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[6],[7],[11] $ 451                    
Interest rate [4],[6],[7],[11] 11.46% 11.46% 11.46%                
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7],[11] $ 40,270                    
Interest rate [4],[7],[11] 11.46% 11.46% 11.46%                
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7],[11] $ 21,666                    
Interest rate [4],[7],[11] 11.46% 11.46% 11.46%                
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 16,611            
Interest rate [10],[11],[13],[16]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 988            
Interest rate [10],[11],[12],[13]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 3,951                    
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 757            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         2,963            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 21,885            
Interest rate [11],[13],[24]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 13,211            
Interest rate [11],[13],[16]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 10,551            
Interest rate [11],[13],[16]         9.88% 9.88% 9.88%        
Investment, Identifier [Axis]: GS Acquisitionco, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 34,023                    
Interest rate [2],[4],[7] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 21,521                    
Interest rate [2],[4],[7] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,730 [1],[2],[3],[6]       $ 5,917 [9],[10],[11],[12]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 67,275            
Interest rate [11],[13],[16]         9.92% 9.92% 9.92%        
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 21,745            
Interest rate [11],[13],[16]         9.92% 9.92% 9.92%        
Investment, Identifier [Axis]: Granicus, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 579                    
Interest rate [2],[3],[4],[6] 11.96% 11.96% 11.96%                
Investment, Identifier [Axis]: Granicus, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 15,463                    
Interest rate [2],[4],[5] 12.48% 12.48% 12.48%                
Investment, Identifier [Axis]: Granicus, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 5,981                    
Interest rate [2],[4],[8] 12.48% 12.48% 12.48%                
Investment, Identifier [Axis]: Granicus, Inc. First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 5,899                    
Interest rate [2],[4],[7] 12.48% 12.48% 12.48%                
Investment, Identifier [Axis]: Granicus, Inc. First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,542                    
Interest rate [2],[4],[7] 11.48% 11.48% 11.48%                
Investment, Identifier [Axis]: Granicus, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 810            
Interest rate [10],[11],[12],[13]         10.69% 10.69% 10.69%        
Investment, Identifier [Axis]: Granicus, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,604            
Investment, Identifier [Axis]: Granicus, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,834                    
Investment, Identifier [Axis]: Granicus, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 15,405            
Interest rate [11],[13],[14]         11.14% 11.14% 11.14%        
Investment, Identifier [Axis]: Granicus, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 5,959            
Interest rate [11],[13],[15]         11.14% 11.14% 11.14%        
Investment, Identifier [Axis]: Granicus, Inc., First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 5,877            
Interest rate [11],[13],[16]         11.14% 11.14% 11.14%        
Investment, Identifier [Axis]: Granicus, Inc., First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,579            
Interest rate [11],[13],[16]         10.14% 10.14% 10.14%        
Investment, Identifier [Axis]: Greenway Health, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[8] $ 6,349                    
Interest rate [4],[8] 11.93% 11.93% 11.93%                
Investment, Identifier [Axis]: Groundworks, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 19,517                    
Interest rate [2],[4],[5] 11.90% 11.90% 11.90%                
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5],[6] $ 891                    
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,076                    
Investment, Identifier [Axis]: HB Wealth Management, LLC, Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[26] 4.00% 4.00% 4.00%                
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 22,500                    
Interest rate [2],[4],[23] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,208                    
Interest rate [2],[4],[7] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 22,500            
Interest rate [11],[13],[24]         10.94% 10.94% 10.94%        
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,208            
Interest rate [11],[13],[16]         10.94% 10.94% 10.94%        
Investment, Identifier [Axis]: Haven Midstream LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,000 [1],[2],[3],[6]       $ 8,000 [9],[10],[11],[12],[27]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 5,120                    
Interest rate [2],[4],[8] 11.10% 11.10% 11.10%                
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,229                    
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[8] $ 6,822                    
Interest rate [4],[8] 10.71% 10.71% 10.71%                
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 28,839                    
Interest rate [2],[4],[7] 11.48% 11.48% 11.48%                
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,214                    
Interest rate [2],[4],[7] 11.48% 11.48% 11.48%                
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 919            
Interest rate [10],[11],[12],[13]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,298 [1],[2],[3],[6]       $ 1,379 [9],[10],[11],[12]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 29,134            
Interest rate [11],[13],[16]         10.38% 10.38% 10.38%        
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,257            
Interest rate [11],[13],[16]         10.38% 10.38% 10.38%        
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 12,844                    
Interest rate [2],[4],[7] 11.40% 11.40% 11.40%                
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,139                    
Interest rate [2],[3],[4],[6] 11.39% 11.39% 11.39%                
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 62                    
Interest rate [2],[3],[4],[6] 11.42% 11.42% 11.42%                
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 12,974            
Interest rate [11],[13],[16]         10.62% 10.62% 10.62%        
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 294            
Interest rate [10],[11],[12],[13]         10.61% 10.61% 10.61%        
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,487 [1],[2],[3],[6]       $ 1,254 [9],[10],[11],[12]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 1,951 [1],[2],[3],[6]       3,097 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Idera, Inc. Secnd Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 22,500                    
Interest rate [2],[4],[5] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Idera, Inc. Secnd Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 3,000                    
Interest rate [2],[3],[4] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 22,500            
Interest rate [11],[13],[14]         10.50% 10.50% 10.50%        
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 3,000            
Interest rate [11],[12],[13]         10.50% 10.50% 10.50%        
Investment, Identifier [Axis]: Infogain Corporation, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 18,707                    
Interest rate [2],[4],[7] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Infogain Corporation, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 7,844                    
Interest rate [2],[4],[8] 10.96% 10.96% 10.96%                
Investment, Identifier [Axis]: Infogain Corporation, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,068            
Interest rate [10],[11],[12],[13]         10.17% 10.17% 10.17%        
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,827 [1],[2],[3],[6]       $ 2,759 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [2],[7],[9]         $ 18,898            
Interest rate [2],[7],[13]         10.17% 10.17% 10.17%        
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 7,923            
Interest rate [11],[13],[15]         10.17% 10.17% 10.17%        
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 17,245 [1],[2],[3]       $ 17,245 [9],[11],[12]            
Interest rate 13.70% [2],[3],[4] 13.70% [2],[3],[4] 13.70% [2],[3],[4]   12.93% [11],[12],[13] 12.93% [11],[12],[13] 12.93% [11],[12],[13]        
Investment, Identifier [Axis]: Integro Parent Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,086 [1],[2],[7]       $ 4,187 [9],[11],[16]            
Interest rate 17.60% [2],[4],[7] 17.60% [2],[4],[7] 17.60% [2],[4],[7]   16.83% [11],[13],[16] 16.83% [11],[13],[16] 16.83% [11],[13],[16]        
Investment, Identifier [Axis]: Integro Parent Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 807 [1],[2],[3]       $ 827 [9],[11],[12]            
Interest rate 17.60% [2],[3],[4] 17.60% [2],[3],[4] 17.60% [2],[3],[4]   16.83% [11],[12],[13] 16.83% [11],[12],[13] 16.83% [11],[12],[13]        
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 13,657 [1],[2],[3]       $ 11,510 [9],[11],[12]            
Interest rate 17.60% [2],[3],[4] 17.60% [2],[3],[4] 17.60% [2],[3],[4]   16.83% [11],[12],[13] 16.83% [11],[12],[13] 16.83% [11],[12],[13]        
Investment, Identifier [Axis]: Integro Parent Inc., Second lien, Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value               $ 4,780      
Investment, Identifier [Axis]: KAMC Holdings, Inc, Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 18,750                    
Interest rate [2],[4],[7] 13.63% 13.63% 13.63%                
Investment, Identifier [Axis]: KAMC Holdings, Inc, Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 18,750                    
Interest rate [2],[4],[8] 13.63% 13.63% 13.63%                
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 18,750            
Interest rate [11],[13],[16]         12.65% 12.65% 12.65%        
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 18,750            
Interest rate [11],[13],[15]         12.65% 12.65% 12.65%        
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[7] $ 1,160                    
Interest rate [2],[4],[6],[7] 10.73% 10.73% 10.73%                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 19                    
Interest rate [2],[3],[4],[6] 11.23% 11.23% 11.23%                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 6,898                    
Interest rate [2],[4],[8] 10.73% 10.73% 10.73%                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 790                    
Interest rate [2],[4],[7] 10.76% 10.76% 10.76%                
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 145            
Interest rate [10],[11],[13],[16]         12.00% 12.00% 12.00%        
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,568 [1],[2],[3],[6]       $ 1,022 [9],[10],[11],[16]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 6,968            
Interest rate [11],[13],[15]         9.89% 9.89% 9.89%        
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 801            
Interest rate [11],[13],[16]         12.00% 12.00% 12.00%        
Investment, Identifier [Axis]: Kaseya Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 63,633                    
Interest rate [2],[4],[7] 11.38% 11.38% 11.38%                
Investment, Identifier [Axis]: Kaseya Inc. First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 973                    
Interest rate [2],[3],[4],[6] 10.86% 10.86% 10.86%                
Investment, Identifier [Axis]: Kaseya Inc. First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 237                    
Interest rate [2],[3],[4],[6] 11.38% 11.38% 11.38%                
Investment, Identifier [Axis]: Kaseya Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [2],[7],[9]         $ 63,093            
Interest rate [2],[7],[13]         10.33% 10.33% 10.33%        
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,616 [1],[2],[3],[6]       $ 3,851 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 2,888 [1],[2],[3],[6]       3,851 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 14,796                    
Interest rate [2],[4],[23] 10.71% 10.71% 10.71%                
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,799                    
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 15,788            
Interest rate [11],[13],[24]         9.42% 9.42% 9.42%        
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,799            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 11.75% 11.75% 11.75%                
Investment, Identifier [Axis]: MED Parentco, LP, Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 20,857                    
Interest rate [2],[4],[8] 13.72% 13.72% 13.72%                
Investment, Identifier [Axis]: MED Parentco, LP, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[15]         $ 20,857            
Interest rate [13],[15]         12.63% 12.63% 12.63%        
Investment, Identifier [Axis]: MRI Software LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 21,655                    
Interest rate [2],[4],[23] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: MRI Software LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 7,670                    
Interest rate [2],[3],[4] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: MRI Software LLC, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,568                    
Interest rate [2],[4],[7] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: MRI Software LLC, First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,140                    
Interest rate [2],[4],[7] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: MRI Software LLC, First Lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 801                    
Interest rate [2],[3],[4] 10.95% 10.95% 10.95%                
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 2,002            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 2,002                    
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         4,074            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 21,879            
Interest rate [11],[13],[24]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,615            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 3,173            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 3,664            
Interest rate [11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 810            
Interest rate [11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 5,012                    
Interest rate [2],[3],[4],[6] 11.62% 11.62% 11.62%                
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 19,259                    
Interest rate [2],[4],[8] 11.64% 11.64% 11.64%                
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,913                    
Interest rate [2],[4],[7] 11.64% 11.64% 11.64%                
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,635            
Interest rate [10],[11],[12],[13]         10.39% 10.39% 10.39%        
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 9,029            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 19,259            
Interest rate [11],[13],[15]         9.74% 9.74% 9.74%        
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 4,913            
Interest rate [11],[13],[16]         9.74% 9.74% 9.74%        
Investment, Identifier [Axis]: National HME, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [2],[3],[28] $ 8,281                    
Interest rate [2],[3],[28] 10.66% 10.66% 10.66%                
Investment, Identifier [Axis]: National HME, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12],[29]         $ 13,013            
Interest rate [11],[12],[13],[29]         12.00% 12.00% 12.00%        
Investment, Identifier [Axis]: National HME, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12],[29]         $ 14,500            
Interest rate [11],[12],[13],[29]         12.00% 12.00% 12.00%        
Investment, Identifier [Axis]: Ncontracts, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7] $ 8,372                    
Interest rate [4],[7] 11.80% 11.80% 11.80%                
Investment, Identifier [Axis]: Ncontracts, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3],[6] $ 773                    
Investment, Identifier [Axis]: Ncontracts, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3],[6] 773                    
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 41,731 [2],[7]       $ 35,541 [9],[11],[16]            
Interest rate 14.96% [2],[7] 14.96% [2],[7] 14.96% [2],[7]   14.23% [11],[13],[16] 14.23% [11],[13],[16] 14.23% [11],[13],[16]        
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 19,798 [2],[3]       $ 8,720 [9],[11],[15]            
Interest rate 14.96% [2],[3] 14.96% [2],[3] 14.96% [2],[3]   14.23% [11],[13],[15] 14.23% [11],[13],[15] 14.23% [11],[13],[15]        
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,239 [2],[8]       $ 4,282 [9],[11],[12]            
Interest rate 14.96% [2],[8] 14.96% [2],[8] 14.96% [2],[8]   14.23% [11],[12],[13] 14.23% [11],[12],[13] 14.23% [11],[12],[13]        
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 21,092 [2],[3]       $ 18,687 [9],[11],[12]            
Interest rate 12.00% [2],[3] 12.00% [2],[3] 12.00% [2],[3]   12.00% [11],[12],[13] 12.00% [11],[12],[13] 12.00% [11],[12],[13]        
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 23,336 [2],[3]       $ 21,779 [9],[11],[12]            
Interest rate 14.61% [2],[3] 14.61% [2],[3] 14.61% [2],[3]   18.00% [11],[12],[13] 18.00% [11],[12],[13] 18.00% [11],[12],[13]        
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 13,835 [2],[3],[6]       $ 9,785 [9],[10],[11],[12]            
Interest rate 11.61% [2],[3],[6] 11.61% [2],[3],[6] 11.61% [2],[3],[6]   13.12% [10],[11],[12],[13] 13.12% [10],[11],[12],[13] 13.12% [10],[11],[12],[13]        
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,060 [1],[2],[3],[6]       $ 1,577 [9],[10],[11],[12]            
Investment, Identifier [Axis]: New Trojan Parent, Inc. Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 26,762                    
Interest rate [2],[4],[7] 12.72% 12.72% 12.72%                
Investment, Identifier [Axis]: New Trojan Parent, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 26,762            
Interest rate [11],[13],[16]         11.63% 11.63% 11.63%        
Investment, Identifier [Axis]: Next Holdco, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,520                    
Interest rate [2],[4],[7] 11.37% 11.37% 11.37%                
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 903                    
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 339                    
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 867                    
Interest rate [2],[3],[4],[6] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 59                    
Interest rate [2],[3],[4],[6] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 9,950                    
Interest rate [2],[4],[8] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 9,825                    
Interest rate [2],[4],[8] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 876            
Interest rate [10],[11],[12],[13]         10.99% 10.99% 10.99%        
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 147            
Interest rate [10],[11],[12],[13]         10.99% 10.99% 10.99%        
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 822                    
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 587            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         734            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 10,051            
Interest rate [11],[13],[15]         10.99% 10.99% 10.99%        
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 9,925            
Interest rate [11],[13],[15]         10.99% 10.99% 10.99%        
Investment, Identifier [Axis]: OA Buyer, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 27,707                    
Interest rate [2],[4],[7] 10.86% 10.86% 10.86%                
Investment, Identifier [Axis]: OA Buyer, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 1,754                    
Interest rate [2],[4],[7] 10.86% 10.86% 10.86%                
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,600 [1],[2],[3],[6]       $ 3,600 [9],[10],[11],[12],[30]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 27,989            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 1,772            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: OEC Holdco, LLC, Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[31],[32] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: OEConnection LLC, Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 23,406                    
Interest rate [2],[4],[7] 12.46% 12.46% 12.46%                
Investment, Identifier [Axis]: OEConnection LLC, Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 12,044                    
Interest rate [2],[4],[7] 12.46% 12.46% 12.46%                
Investment, Identifier [Axis]: OEConnection LLC, Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 23,406            
Interest rate [11],[13],[16]         11.42% 11.42% 11.42%        
Investment, Identifier [Axis]: OEConnection LLC, Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 12,044            
Interest rate [11],[13],[16]         11.42% 11.42% 11.42%        
Investment, Identifier [Axis]: Oranje Holdco, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 7,440                    
Interest rate [2],[4],[8] 12.88% 12.88% 12.88%                
Investment, Identifier [Axis]: Oranje Holdco, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,440                    
Interest rate [2],[4],[7] 12.88% 12.88% 12.88%                
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 1,860                    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 7,514                    
Interest rate [2],[4],[5] 11.14% 11.14% 11.14%                
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 6,629            
Interest rate [11],[13],[14]         9.12% 9.12% 9.12%        
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 131            
Interest rate [10],[11],[12],[13]         10.03% 10.03% 10.03%        
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 486                    
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 355            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[14]         885            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 14,500 [9],[11],[12]           $ 20,000
Interest rate [11],[12],[13]         0.00% 0.00% 0.00%        
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] 14,500                    
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 0 [1],[17],[33]       $ 0 [9],[34],[35]            
Interest rate 0.00% [4],[17],[33] 0.00% [4],[17],[33] 0.00% [4],[17],[33]   0.00% [13],[34],[35] 0.00% [13],[34],[35] 0.00% [13],[34],[35]        
Investment, Identifier [Axis]: Permian Trust, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 247 [1],[2],[36]       $ 247 [9],[11],[37]            
Interest rate 10.00% [2],[36] 10.00% [2],[36] 10.00% [2],[36]   10.00% [11],[13],[37] 10.00% [11],[13],[37] 10.00% [11],[13],[37]        
Investment, Identifier [Axis]: Permian Trust, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,409 [1],[2],[3]       $ 3,409 [9],[11],[12]            
Interest rate 11.00% [2],[3] 11.00% [2],[3] 11.00% [2],[3]   11.00% [11],[12],[13] 11.00% [11],[12],[13] 11.00% [11],[12],[13]        
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7] $ 28,430                    
Interest rate [4],[7] 11.36% 11.36% 11.36%                
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3],[6] $ 3,708                    
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3],[6] 3,708                    
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 49,270            
Interest rate [11],[13],[16]         10.80% 10.80% 10.80%        
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 18,726            
Interest rate [11],[13],[16]         10.80% 10.80% 10.80%        
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 16,802                    
Interest rate [2],[4],[8],[18] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 2,303                    
Interest rate [2],[4],[8],[18] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,446 [1],[2],[3],[6]       $ 2,446 [9],[10],[11],[12],[38]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 14,900            
Interest rate [11],[13],[15]         11.73% 11.73% 11.73%        
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 2,042            
Interest rate [11],[13],[15]         11.73% 11.73% 11.73%        
Investment, Identifier [Axis]: Power Grid Holdings, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 18,193                    
Interest rate [2],[4],[5] 10.14% 10.14% 10.14%                
Investment, Identifier [Axis]: Power Grid Holdings, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 214                    
Interest rate [2],[3],[4],[6] 10.12% 10.12% 10.12%                
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 4,075                    
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 14.85% 14.85% 14.85%                
Investment, Identifier [Axis]: Project Power Buyer, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,553                    
Interest rate [2],[4],[7] 12.35% 12.35% 12.35%                
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 184                    
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 5,109                    
Interest rate [2],[4],[7] 11.00% 11.00% 11.00%                
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 5,161            
Interest rate [11],[13],[16]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 422            
Interest rate [10],[11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,161 [1],[2],[3],[6]       $ 483 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Quartz Holding Company, Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 10,000                    
Interest rate [2],[3],[4] 13.46% 13.46% 13.46%                
Investment, Identifier [Axis]: Quartz Holding Company, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 10,000            
Interest rate [11],[12],[13]         12.38% 12.38% 12.38%        
Investment, Identifier [Axis]: Recorded Future, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 24,220                    
Interest rate [2],[4],[8] 10.71% 10.71% 10.71%                
Investment, Identifier [Axis]: Recorded Future, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 12,524                    
Interest rate [2],[4],[7] 10.71% 10.71% 10.71%                
Investment, Identifier [Axis]: Recorded Future, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,981 [1],[2],[3],[6]       $ 2,981 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 24,469            
Interest rate [11],[13],[15]         9.98% 9.98% 9.98%        
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 12,652            
Interest rate [11],[13],[16]         9.98% 9.98% 9.98%        
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 6,904                    
Interest rate [2],[4],[7] 10.87% 10.87% 10.87%                
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 384                    
Interest rate [2],[3],[4],[6] 12.75% 12.75% 12.75%                
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 6,975            
Interest rate [11],[13],[16]         10.41% 10.41% 10.41%        
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 128 [1],[2],[3],[6]       $ 512 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3] $ 23,780                    
Interest rate [3],[4] 12.13% 12.13% 12.13%                
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 5            
Interest rate [11],[12],[13]         15.00% 15.00% 15.00%        
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 78                    
Interest rate [2],[3],[4],[6] 9.46% 9.46% 9.46%                
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 10,352                    
Interest rate [2],[4],[7] 11.41% 11.41% 11.41%                
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 78                    
Interest rate [2],[3],[4] 11.41% 11.41% 11.41%                
Investment, Identifier [Axis]: Specialtycare, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 10,458            
Interest rate [11],[13],[16]         9.49% 9.49% 9.49%        
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 212            
Interest rate [10],[11],[12],[13]         8.29% 8.29% 8.29%        
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 79            
Interest rate [10],[11],[12],[13]         9.76% 9.76% 9.76%        
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 481                    
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 347            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         868            
Investment, Identifier [Axis]: Spring Education Group, Inc (fka SSH Group Holdings, Inc.), Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 21,959            
Interest rate [11],[13],[16]         12.98% 12.98% 12.98%        
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 112                    
Interest rate [2],[3],[4],[6] 11.22% 11.22% 11.22%                
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 3,945                    
Interest rate [2],[4],[7] 11.22% 11.22% 11.22%                
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 2,788                    
Interest rate [2],[4],[7] 11.22% 11.22% 11.22%                
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 3,985            
Interest rate [11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 2,791            
Interest rate [10],[11],[13],[16]         10.13% 10.13% 10.13%        
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 447                    
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 559            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         152            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[4],[5] 16.03% 16.03% 16.03%                
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[4] 16.03% 16.03% 16.03%                
Investment, Identifier [Axis]: Syndigo LLC, Second Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 22,500                    
Interest rate [2],[4],[5] 13.48% 13.48% 13.48%                
Investment, Identifier [Axis]: Syndigo LLC, Second Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 5,697                    
Interest rate [2],[4],[7] 13.48% 13.48% 13.48%                
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9]         $ 22,500            
Interest rate [13]         13.21% 13.21% 13.21%        
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 5,697            
Interest rate [11],[13],[16]         13.21% 13.21% 13.21%        
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 16,227                    
Interest rate [2],[4],[7] 9.14% 9.14% 9.14%                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 15,651                    
Interest rate [2],[4],[8] 9.14% 9.14% 9.14%                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[7] $ 1,033                    
Interest rate [4],[7] 14.98% 14.98% 14.98%                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[8] $ 996                    
Interest rate [4],[8] 14.98% 14.98% 14.98%                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 16,395            
Interest rate [11],[13],[16]         8.26% 8.26% 8.26%        
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 15,813            
Interest rate [11],[13],[15]         8.26% 8.26% 8.26%        
Investment, Identifier [Axis]: TRC Companies L.L.C. (fka Energize Holdco LLC) Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,950                    
Interest rate [2],[4],[7] 12.22% 12.22% 12.22%                
Investment, Identifier [Axis]: TRC Companies L.L.C. (fka Energize Holdco LLC), Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 7,950            
Interest rate [11],[13],[16]         11.13% 11.13% 11.13%        
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3] 12.00% 12.00% 12.00%                
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12],[21]         $ 4,439            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15],[21]         $ 35,000            
Interest rate [11],[13],[15],[21]         10.29% 10.29% 10.29%        
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15],[21]         $ 24,189            
Interest rate [11],[13],[15],[21]         10.29% 10.29% 10.29%        
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 13,941            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 16,600 £ 13,039 [1],[2],[39],[40]     $ 15,562 £ 12,879 [9],[11],[12],[41]          
Interest rate 12.96% [2],[4],[18],[39],[40] 12.96% [2],[4],[18],[39],[40] 12.96% [2],[4],[18],[39],[40]   10.95% [11],[12],[13],[41] 10.95% [11],[12],[13],[41] 10.95% [11],[12],[13],[41]        
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value | £   £ 10,734 [1],[2],[39],[40]       £ 10,538 [9],[11],[12],[41]          
Interest rate 12.96% [2],[4],[18],[39],[40] 12.96% [2],[4],[18],[39],[40] 12.96% [2],[4],[18],[39],[40]   10.95% [11],[12],[13],[41] 10.95% [11],[12],[13],[41] 10.95% [11],[12],[13],[41]        
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2 and Tennessee Bidco Limited, First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,457                    
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,312 [1],[2],[40]       $ 10,184 [9],[11],[12]            
Interest rate 13.03% [2],[4],[18],[40] 13.03% [2],[4],[18],[40] 13.03% [2],[4],[18],[40]   10.38% [11],[12],[13] 10.38% [11],[12],[13] 10.38% [11],[12],[13]        
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,373 [1],[2],[40]       $ 6,246 [9],[11],[12]            
Interest rate 12.90% [2],[4],[18],[40] 12.90% [2],[4],[18],[40] 12.90% [2],[4],[18],[40]   11.78% [11],[12],[13] 11.78% [11],[12],[13] 11.78% [11],[12],[13]        
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value | €     € 716 [1],[2],[39],[40]       € 708 [9],[11],[12],[41]        
Interest rate 11.47% [2],[4],[18],[39],[40] 11.47% [2],[4],[18],[39],[40] 11.47% [2],[4],[18],[39],[40]   7.63% [11],[12],[13],[41] 7.63% [11],[12],[13],[41] 7.63% [11],[12],[13],[41]        
Investment, Identifier [Axis]: The Kleinfelder Group, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 16,533            
Interest rate [11],[13],[14]         9.98% 9.98% 9.98%        
Investment, Identifier [Axis]: TigerConnect, Inc. First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 29,868                    
Interest rate [2],[4],[8] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: TigerConnect, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[7] $ 1,354                    
Interest rate [2],[4],[6],[7] 12.28% 12.28% 12.28%                
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 29,868            
Interest rate [11],[13],[15]         11.49% 11.49% 11.49%        
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 277            
Interest rate [10],[11],[13],[16]         11.49% 11.49% 11.49%        
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 885 [1]       $ 955 [9],[10],[11],[12]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 4,267 [1],[2],[3],[6]       4,267 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Transcendia Holdings, Inc. Second Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 14,500                    
Interest rate [2],[4],[8],[17] 13.61% 13.61% 13.61%                
Investment, Identifier [Axis]: Transcendia Holdings, Inc., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 14,500            
Interest rate [11],[13],[15]         12.38% 12.38% 12.38%        
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[7] $ 4,070                    
Interest rate [2],[4],[6],[7] 11.18% 11.18% 11.18%                
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 15,382                    
Interest rate [2],[4],[7] 11.29% 11.29% 11.29%                
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 15,382            
Interest rate [11],[13],[16]         10.18% 10.18% 10.18%        
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[16]         $ 2,889            
Interest rate [10],[11],[13],[16]         9.40% 9.40% 9.40%        
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,182 [1],[2],[3],[6]       $ 1,501 [9],[10],[11],[12]            
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 [1],[2],[3],[6]       2,364 [9],[10],[11],[16]            
Investment, Identifier [Axis]: USRP Holdings, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 11,226                    
Interest rate [2],[4],[7] 11.18% 11.18% 11.18%                
Investment, Identifier [Axis]: USRP Holdings, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 1,462                    
Interest rate [2],[3],[4] 11.18% 11.18% 11.18%                
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 893 [1],[2],[3],[6]       893 [9],[10],[11],[12]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 11,311            
Interest rate [11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[12]         $ 1,473            
Interest rate [11],[12],[13]         10.23% 10.23% 10.23%        
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 22,367            
Interest rate [11],[13],[16]         10.76% 10.76% 10.76%        
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 3,949            
Interest rate [11],[13],[16]         10.76% 10.76% 10.76%        
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3] 20.00% 20.00% 20.00%                
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3] 20.00% 20.00% 20.00%                
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[17] 19.00% 19.00% 19.00%                
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[7],[17] 13.50% 13.50% 13.50%                
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate [2],[3],[17] 13.50% 13.50% 13.50%                
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 13,438 [2],[3]       $ 11,575 [9],[11],[12]            
Interest rate 15.00% [2],[3] 15.00% [2],[3] 15.00% [2],[3]   15.00% [11],[12],[13] 15.00% [11],[12],[13] 15.00% [11],[12],[13]        
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,957 [2],[3]       $ 5,131 [9],[11],[12]            
Interest rate 15.00% [2],[3] 15.00% [2],[3] 15.00% [2],[3]   15.00% [11],[12],[13] 15.00% [11],[12],[13] 15.00% [11],[12],[13]        
Investment, Identifier [Axis]: UniTek Global Services, Inc., Senior preferred shares, Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value                 $ 19,795    
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 16,183            
Interest rate [11],[13],[16]         11.13% 11.13% 11.13%        
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 10,000            
Interest rate [11],[13],[14]         11.13% 11.13% 11.13%        
Investment, Identifier [Axis]: Vectra Co., Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 10,788            
Interest rate [11],[13],[15]         11.63% 11.63% 11.63%        
Investment, Identifier [Axis]: Virtusa Corporation, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[12]         $ 5,000            
Interest rate [12],[13]         7.13% 7.13% 7.13%        
Investment, Identifier [Axis]: Virtusa Corporation, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[3] $ 9,401                    
Interest rate [3],[4] 7.13% 7.13% 7.13%                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[7] $ 13,336                    
Interest rate [2],[4],[6],[7] 11.20% 11.20% 11.20%                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 18,758                    
Interest rate [2],[4],[7] 11.11% 11.11% 11.11%                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 1,241                    
Interest rate [2],[4],[7] 11.23% 11.23% 11.23%                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 832                    
Interest rate [2],[4],[7] 11.23% 11.23% 11.23%                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 7,478            
Interest rate [10],[11],[12],[13]         10.31% 10.31% 10.31%        
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,396 [1],[2],[6],[7]       $ 2,040 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 2,040 [1],[2],[3],[6]       8,327 [9],[10],[11],[12]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 18,949            
Interest rate [11],[13],[16]         10.00% 10.00% 10.00%        
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 1,254            
Interest rate [11],[13],[16]         9.41% 9.41% 9.41%        
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[16]         $ 841            
Interest rate [11],[13],[16]         10.46% 10.46% 10.46%        
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subrdinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3] $ 3,513                    
Interest rate [2],[3],[4] 15.00% 15.00% 15.00%                
Investment, Identifier [Axis]: Xactly Corporation, First Lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[5] $ 22,500                    
Interest rate [2],[4],[5] 12.74% 12.74% 12.74%                
Investment, Identifier [Axis]: Xactly Corporation, First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[14]         $ 19,047            
Interest rate [11],[13],[14]         11.99% 11.99% 11.99%        
Investment, Identifier [Axis]: Xactly Corporation, First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 992            
Interest rate [10],[11],[12],[13]         11.59% 11.59% 11.59%        
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 992                    
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[23] $ 1,204                    
Interest rate [2],[4],[6],[23] 10.48% 10.48% 10.48%                
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[23] $ 80                    
Interest rate [2],[4],[6],[23] 10.99% 10.99% 10.99%                
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 17,677                    
Interest rate [2],[4],[23] 10.48% 10.48% 10.48%                
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[23] $ 2,302                    
Interest rate [2],[4],[23] 10.48% 10.48% 10.48%                
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[24]         $ 495            
Interest rate [10],[11],[13],[24]         9.90% 9.90% 9.90%        
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 1,584            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[6],[23] $ 785                    
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 3,968                    
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 17,861            
Interest rate [11],[13],[24]         9.93% 9.93% 9.93%        
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[24]         $ 2,326            
Interest rate [11],[13],[24]         9.93% 9.93% 9.93%        
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien) - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[10],[11],[12]         $ 3,968            
Investment, Identifier [Axis]: iCIMS, Inc. First Lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] $ 471                    
Interest rate [2],[3],[4],[6] 12.10% 12.10% 12.10%                
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[8] $ 30,783                    
Interest rate [2],[4],[8] 12.62% 12.62% 12.62%                
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 7,366                    
Interest rate [2],[4],[7] 12.62% 12.62% 12.62%                
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[7] $ 4,772                    
Interest rate [2],[4],[7] 12.62% 12.62% 12.62%                
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,293 [1],[2],[6],[8]       11,763 [9],[10],[12],[15]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value 976 [1],[2],[6],[7]       4,218 [9],[10],[11],[12]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [1],[2],[3],[6] 2,347                    
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [9],[11],[15]         $ 44,287            
Interest rate [11],[13],[15]         11.52% 11.52% 11.52%        
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value [2],[7],[9]         $ 7,366            
Interest rate [2],[7],[13]         11.52% 11.52% 11.52%        
SLP III                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 657,208       $ 690,017            
Number of portfolio companies | company 87 87 87   83 83 83        
SLP III | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,376       $ 2,400            
Interest rate 9.22% 9.22% 9.22%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: AG Parent Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,626       $ 12,125            
Interest rate 9.96% 9.96% 9.96%   9.38% 9.38% 9.38%        
SLP III | Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,294       $ 9,700            
Interest rate 10.65% 10.65% 10.65%   8.88% 8.88% 8.88%        
SLP III | Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,273       $ 6,838            
Interest rate 8.95% 8.95% 8.95%   8.23% 8.23% 8.23%        
SLP III | Investment, Identifier [Axis]: AssuredPartners, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,817       $ 1,995            
Interest rate 8.97% 8.97% 8.97%   8.57% 8.57% 8.57%        
SLP III | Investment, Identifier [Axis]: Aston FinCo S.a.r.l. / Aston US Finco, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,975       $ 5,835            
Interest rate 9.22% 9.22% 9.22%   8.63% 8.63% 8.63%        
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,843       $ 4,258            
Interest rate 8.61% 8.61% 8.61%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,458       $ 3,257            
Interest rate 10.11% 10.11% 10.11%   9.05% 9.05% 9.05%        
SLP III | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 962       $ 2,238            
Interest rate 9.21% 9.21% 9.21%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 11,883       $ 9,700            
Interest rate 9.60% 9.60% 9.60%   10.48% 10.48% 10.48%        
SLP III | Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,253       $ 2,562            
Interest rate 10.45% 10.45% 10.45%   10.48% 10.48% 10.48%        
SLP III | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,989       $ 14,362            
Interest rate 9.13% 9.13% 9.13%   7.99% 7.99% 7.99%        
SLP III | Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,821       $ 4,266            
Interest rate 10.00% 10.00% 10.00%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,810       $ 7,045            
Interest rate 9.02% 9.02% 9.02%   7.91% 7.91% 7.91%        
SLP III | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,692       $ 10,920            
Interest rate 9.21% 9.21% 9.21%   8.59% 8.59% 8.59%        
SLP III | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,960       $ 957            
Interest rate 11.79% 11.79% 11.79%   9.23% 9.23% 9.23%        
SLP III | Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,628       $ 14,363            
Interest rate 9.86% 9.86% 9.86%   7.77% 7.77% 7.77%        
SLP III | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,313       $ 6,965            
Interest rate 9.22% 9.22% 9.22%   9.58% 9.58% 9.58%        
SLP III | Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,250       $ 9,508            
Interest rate 9.25% 9.25% 9.25%   8.42% 8.42% 8.42%        
SLP III | Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 947       $ 9,922            
Interest rate 10.15% 10.15% 10.15%   9.23% 9.23% 9.23%        
SLP III | Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,658       $ 14,400            
Interest rate 9.54% 9.54% 9.54%   8.48% 8.48% 8.48%        
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,962       $ 5,717            
Interest rate 9.47% 9.47% 9.47%   8.78% 8.78% 8.78%        
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,878       $ 11,962            
Interest rate 9.10% 9.10% 9.10%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 12,838       $ 1,499            
Interest rate 10.74% 10.74% 10.74%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 1,139            
SLP III | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,527       $ 6,947            
Interest rate 9.22% 9.22% 9.22%   8.33% 8.33% 8.33%        
SLP III | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,583       $ 12,967            
Interest rate 9.38% 9.38% 9.38%   9.93% 9.93% 9.93%        
SLP III | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,000       $ 4,511            
Interest rate 9.38% 9.38% 9.38%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,213       $ 2,000            
Interest rate 8.96% 8.96% 8.96%   8.41% 8.41% 8.41%        
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,905       $ 9,680            
Interest rate 10.35% 10.35% 10.35%   8.41% 8.41% 8.41%        
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,029       $ 7,388            
Interest rate 9.77% 9.77% 9.77%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 15,448       $ 9,725            
Interest rate 9.75% 9.75% 9.75%   8.82% 8.82% 8.82%        
SLP III | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,960       $ 7,100            
Interest rate 8.97% 8.97% 8.97%   7.97% 7.97% 7.97%        
SLP III | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,468       $ 15,606            
Interest rate 9.60% 9.60% 9.60%   8.98% 8.98% 8.98%        
SLP III | Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,190       $ 18,197            
Interest rate 10.72% 10.72% 10.72%   8.63% 8.63% 8.63%        
SLP III | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,632       $ 3,212            
Interest rate 9.96% 9.96% 9.96%   7.88% 7.88% 7.88%        
SLP III | Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 12,210       $ 12,488            
Interest rate 9.39% 9.39% 9.39%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,432       $ 14,611            
Interest rate 11.90% 11.90% 11.90%   8.48% 8.48% 8.48%        
SLP III | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,178       $ 9,405            
Interest rate 10.36% 10.36% 10.36%   8.59% 8.59% 8.59%        
SLP III | Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 17,883       $ 14,219            
Interest rate 9.48% 9.48% 9.48%   8.48% 8.48% 8.48%        
SLP III | Investment, Identifier [Axis]: Groundworks, LLC , First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 65                    
SLP III | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,987       $ 18,160            
Interest rate 10.96% 10.96% 10.96%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,729       $ 18,068            
Interest rate 9.64% 9.64% 9.64%   8.19% 8.19% 8.19%        
SLP III | Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,151       $ 9,079            
Interest rate 10.71% 10.71% 10.71%   9.63% 9.63% 9.63%        
SLP III | Investment, Identifier [Axis]: HighTower Holding, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,426       $ 4,778            
Interest rate 9.66% 9.66% 9.66%   8.28% 8.28% 8.28%        
SLP III | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,000       $ 5,652            
Interest rate 9.70% 9.70% 9.70%   9.67% 9.67% 9.67%        
SLP III | Investment, Identifier [Axis]: Idera, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 15,642       $ 15,803            
Interest rate 9.28% 9.28% 9.28%   7.50% 7.50% 7.50%        
SLP III | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 11,811       $ 11,935            
Interest rate 9.70% 9.70% 9.70%   8.98% 8.98% 8.98%        
SLP III | Investment, Identifier [Axis]: LI Group Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,749       $ 4,573            
Interest rate 8.97% 8.97% 8.97%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,491       $ 7,567            
Interest rate 9.97% 9.97% 9.97%   8.88% 8.88% 8.88%        
SLP III | Investment, Identifier [Axis]: Largest Portfolio Company Investment                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 17,883       $ 18,197            
SLP III | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 12,458       $ 12,588            
Interest rate 9.72% 9.72% 9.72%   8.63% 8.63% 8.63%        
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,558       $ 10,695            
Interest rate 9.61% 9.61% 9.61%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 5,730            
Interest rate         7.89% 7.89% 7.89%        
SLP III | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,837                    
Interest rate 9.13% 9.13% 9.13%                
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc, First lien - Funded. 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,488                    
Interest rate 9.89% 9.89% 9.89%                
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,920       $ 3,960            
Interest rate 9.28% 9.28% 9.28%   8.16% 8.16% 8.16%        
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 2,000            
Interest rate         9.28% 9.28% 9.28%        
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,985                    
Interest rate 10.47% 10.47% 10.47%                
SLP III | Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,131       $ 4,174            
Interest rate 9.47% 9.47% 9.47%   8.50% 8.50% 8.50%        
SLP III | Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,179            
Interest rate         8.25% 8.25% 8.25%        
SLP III | Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,655            
Interest rate         8.94% 8.94% 8.94%        
SLP III | Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 8,485            
Interest rate         8.08% 8.08% 8.08%        
SLP III | Investment, Identifier [Axis]: Navex Topco, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 10,887            
Interest rate         7.64% 7.64% 7.64%        
SLP III | Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,900       $ 3,940            
Interest rate 9.22% 9.22% 9.22%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,925                    
Interest rate 11.61% 11.61% 11.61%                
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 556                    
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,919                    
Interest rate 9.63% 9.63% 9.63%                
SLP III | Investment, Identifier [Axis]: Optiv Parent Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,585                    
Interest rate 10.63% 10.63% 10.63%                
SLP III | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,650                    
Interest rate 9.86% 9.86% 9.86%                
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited , First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 506                    
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,494                    
Interest rate 9.09% 9.09% 9.09%                
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,405                    
Interest rate 9.60% 9.60% 9.60%                
SLP III | Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 3,331            
Interest rate         7.98% 7.98% 7.98%        
SLP III | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,710       $ 1,728            
Interest rate 9.13% 9.13% 9.13%   7.84% 7.84% 7.84%        
SLP III | Investment, Identifier [Axis]: Peraton Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,147       $ 7,235            
Interest rate 9.21% 9.21% 9.21%   8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,573            
Interest rate         7.88% 7.88% 7.88%        
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,231       $ 5,627            
Interest rate 9.53% 9.53% 9.53%   8.42% 8.42% 8.42%        
SLP III | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,721       $ 10,832            
Interest rate 9.61% 9.61% 9.61%   8.73% 8.73% 8.73%        
SLP III | Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,328       $ 7,405            
Interest rate 9.25% 9.25% 9.25%   7.92% 7.92% 7.92%        
SLP III | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 13,745                    
Interest rate 10.11% 10.11% 10.11%                
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,938       $ 4,352            
Interest rate 11.22% 11.22% 11.22%   7.63% 7.63% 7.63%        
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,308       $ 4,988            
Interest rate 8.72% 8.72% 8.72%   10.07% 10.07% 10.07%        
SLP III | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,727       $ 5,785            
Interest rate 9.72% 9.72% 9.72%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,305       $ 10,159            
Interest rate 8.47% 8.47% 8.47%   7.38% 7.38% 7.38%        
SLP III | Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,612                    
Interest rate 10.11% 10.11% 10.11%                
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,339                    
Interest rate 9.97% 9.97% 9.97%                
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,669                    
Interest rate 10.61% 10.61% 10.61%                
SLP III | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,484       $ 2,381            
Interest rate 12.13% 12.13% 12.13%   8.41% 8.41% 8.41%        
SLP III | Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,556       $ 6,622            
Interest rate 10.00% 10.00% 10.00%   8.88% 8.88% 8.88%        
SLP III | Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 9,429            
Interest rate         7.91% 7.91% 7.91%        
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc. (fka SSH Group Holdings, Inc.), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 11,933            
Interest rate         8.73% 8.73% 8.73%        
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 12,349                    
Interest rate 9.85% 9.85% 9.85%                
SLP III | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,785       $ 3,823            
Interest rate 8.86% 8.86% 8.86%   7.98% 7.98% 7.98%        
SLP III | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 15,560       $ 15,720            
Interest rate 9.98% 9.98% 9.98%   8.69% 8.69% 8.69%        
SLP III | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,588       $ 14,738            
Interest rate 9.97% 9.97% 9.97%   8.84% 8.84% 8.84%        
SLP III | Investment, Identifier [Axis]: TMF Sapphire Bidco B.V., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,667                    
Interest rate 10.41% 10.41% 10.41%                
SLP III | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 13,525                    
Interest rate 9.22% 9.22% 9.22%                
SLP III | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,058       $ 4,099            
Interest rate 9.47% 9.47% 9.47%   8.35% 8.35% 8.35%        
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,560       $ 6,003            
Interest rate 10.04% 10.04% 10.04%   9.23% 9.23% 9.23%        
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 937            
SLP III | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 79,458       85,948            
SLP III | Investment, Identifier [Axis]: UKG Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,975                    
Interest rate 9.99% 9.99% 9.99%                
SLP III | Investment, Identifier [Axis]: USI, Inc. (fka Compass Investors Inc.), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 5,486            
Interest rate         8.33% 8.33% 8.33%        
SLP III | Investment, Identifier [Axis]: USI, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,446                    
Interest rate 8.35% 8.35% 8.35%                
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 31            
Interest rate         8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 2,729            
Interest rate         7.88% 7.88% 7.88%        
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 838            
Interest rate         8.13% 8.13% 8.13%        
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 25            
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,459       $ 4,504            
Interest rate 9.21% 9.21% 9.21%   7.98% 7.98% 7.98%        
SLP III | Investment, Identifier [Axis]: WP CityMD Bidco LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,148            
Interest rate         7.63% 7.63% 7.63%        
SLP III | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,237       $ 5,290            
Interest rate 10.60% 10.60% 10.60%   9.57% 9.57% 9.57%        
SLP III | Investment, Identifier [Axis]: Waystar Technologies, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,983       $ 4,025            
Interest rate 9.47% 9.47% 9.47%   8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 7,824            
Interest rate         8.73% 8.73% 8.73%        
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,743                    
Interest rate 9.61% 9.61% 9.61%                
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,473                    
Interest rate 9.95% 9.95% 9.95%                
SLP III | Investment, Identifier [Axis]: YI, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 9,490            
Interest rate         8.38% 8.38% 8.38%        
SLP III | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,072                    
Interest rate 10.86% 10.86% 10.86%                
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,775       $ 6,912            
Interest rate 9.72% 9.72% 9.72%   7.82% 7.82% 7.82%        
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 847            
SLP III | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,601       $ 7,271            
Interest rate 9.89% 9.89% 9.89%   8.88% 8.88% 8.88%        
SLP III | Weighted average                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate 9.79% 9.79% 9.79%   8.51% 8.51% 8.51%        
SLP IV                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 482,776       $ 510,372            
Number of portfolio companies | company 78 78 78   74 74 74        
SLP IV | Investment, Identifier [Axis]: ADG, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 17,400       $ 16,335            
Interest rate 9.54% 9.54% 9.54%   9.69% 9.69% 9.69%        
SLP IV | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,833       $ 1,852            
Interest rate 9.22% 9.22% 9.22%   8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 11,577            
Interest rate         8.88% 8.88% 8.88%        
SLP IV | Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,804                    
Interest rate 9.96% 9.96% 9.96%                
SLP IV | Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,068       $ 5,275            
Interest rate 8.95% 8.95% 8.95%   8.23% 8.23% 8.23%        
SLP IV | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,171                    
Interest rate 8.97% 8.97% 8.97%                
SLP IV | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,353                    
Interest rate 10.11% 10.11% 10.11%                
SLP IV | Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,950       $ 5,000            
Interest rate 9.88% 9.88% 9.88%   8.59% 8.59% 8.59%        
SLP IV | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,940       $ 8,607            
Interest rate 10.15% 10.15% 10.15%   8.96% 8.96% 8.96%        
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 1,751            
Interest rate         8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 753                    
Interest rate 9.21% 9.21% 9.21%                
SLP IV | Investment, Identifier [Axis]: Bleriot US Bidco Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,900       $ 3,940            
Interest rate 9.61% 9.61% 9.61%   8.73% 8.73% 8.73%        
SLP IV | Investment, Identifier [Axis]: Boxer Parent Company Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,987                    
Interest rate 9.60% 9.60% 9.60%                
SLP IV | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,394       $ 4,427            
Interest rate 10.45% 10.45% 10.45%   7.99% 7.99% 7.99%        
SLP IV | Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 2,345            
Interest rate         8.38% 8.38% 8.38%        
SLP IV | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,370       $ 5,424            
Interest rate 9.13% 9.13% 9.13%   7.91% 7.91% 7.91%        
SLP IV | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,095       $ 8,178            
Interest rate 9.02% 9.02% 9.02%   8.59% 8.59% 8.59%        
SLP IV | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,692       $ 1,984            
Interest rate 10.15% 10.15% 10.15%   9.23% 9.23% 9.23%        
SLP IV | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,963       $ 10,806            
Interest rate 9.97% 9.97% 9.97%   9.23% 9.23% 9.23%        
SLP IV | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,656       $ 2,687            
Interest rate 10.35% 10.35% 10.35%   9.58% 9.58% 9.58%        
SLP IV | Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 7,478            
Interest rate         8.42% 8.42% 8.42%        
SLP IV | Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 14,250       $ 14,400            
Interest rate 9.25% 9.25% 9.25%   8.48% 8.48% 8.48%        
SLP IV | Investment, Identifier [Axis]: Certara Holdco, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 3,900            
Interest rate         7.88% 7.88% 7.88%        
SLP IV | Investment, Identifier [Axis]: Cloudera, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,308                    
Interest rate 9.21% 9.21% 9.21%                
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,338                    
Interest rate 9.47% 9.47% 9.47%                
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 999            
Interest rate         8.68% 8.68% 8.68%        
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 8,014            
Interest rate         8.38% 8.38% 8.38%        
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 759            
SLP IV | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,878       $ 6,948            
Interest rate 9.10% 9.10% 9.10%   8.33% 8.33% 8.33%        
SLP IV | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,938       $ 4,988            
Interest rate 10.74% 10.74% 10.74%   9.83% 9.83% 9.83%        
SLP IV | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,519       $ 3,222            
Interest rate 9.22% 9.22% 9.22%   8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 10,559       $ 10,666            
Interest rate 9.86% 9.86% 9.86%   8.82% 8.82% 8.82%        
SLP IV | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,346       $ 5,400            
Interest rate 9.77% 9.77% 9.77%   7.97% 7.97% 7.97%        
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,774       $ 9,875            
Interest rate 9.75% 9.75% 9.75%   8.98% 8.98% 8.98%        
SLP IV | Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 20,288            
Interest rate         8.63% 8.63% 8.63%        
SLP IV | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,369       $ 6,422            
Interest rate 8.97% 8.97% 8.97%   7.88% 7.88% 7.88%        
SLP IV | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,481                    
Interest rate 9.60% 9.60% 9.60%                
SLP IV | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,689                    
Interest rate 10.72% 10.72% 10.72%                
SLP IV | Investment, Identifier [Axis]: Emerald 2 Limited, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 441            
Interest rate         7.98% 7.98% 7.98%        
SLP IV | Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 9,000            
Interest rate         8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,825       $ 9,925            
Interest rate 9.39% 9.39% 9.39%   8.48% 8.48% 8.48%        
SLP IV | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,453       $ 6,435            
Interest rate 9.89% 9.89% 9.89%   8.59% 8.59% 8.59%        
SLP IV | Investment, Identifier [Axis]: Geo Parent Corporation, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,634       $ 9,709            
Interest rate 10.80% 10.80% 10.80%   9.44% 9.44% 9.44%        
SLP IV | Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 20,729            
Interest rate         8.48% 8.48% 8.48%        
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,605                    
Interest rate 10.36% 10.36% 10.36%                
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 3,535            
Interest rate         8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 6,206            
Interest rate         8.39% 8.39% 8.39%        
SLP IV | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,707       $ 9,808            
Interest rate 9.48% 9.48% 9.48%   8.19% 8.19% 8.19%        
SLP IV | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,310       $ 4,037            
Interest rate 10.71% 10.71% 10.71%   9.67% 9.67% 9.67%        
SLP IV | Investment, Identifier [Axis]: Hub International Limited, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,754                    
Interest rate 9.66% 9.66% 9.66%                
SLP IV | Investment, Identifier [Axis]: Hunter Holdco 3 Limited, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,949       $ 3,949            
Interest rate 9.70% 9.70% 9.70%   8.98% 8.98% 8.98%        
SLP IV | Investment, Identifier [Axis]: Idera, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,130       $ 9,224            
Interest rate 9.28% 9.28% 9.28%   7.50% 7.50% 7.50%        
SLP IV | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,374       $ 5,430            
Interest rate 9.70% 9.70% 9.70%   8.98% 8.98% 8.98%        
SLP IV | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,582       $ 8,669            
Interest rate 9.97% 9.97% 9.97%   8.88% 8.88% 8.88%        
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 17,400       $ 21,982            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,783       $ 7,818            
Interest rate 9.61% 9.61% 9.61%   8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,092            
Interest rate         7.89% 7.89% 7.89%        
SLP IV | Investment, Identifier [Axis]: Mandolin Technology Intermediate Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,800       $ 9,900            
Interest rate 9.25% 9.25% 9.25%   8.16% 8.16% 8.16%        
SLP IV | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,039                    
Interest rate 9.13% 9.13% 9.13%                
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,841       $ 2,000            
Interest rate 9.28% 9.28% 9.28%   9.28% 9.28% 9.28%        
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,985       $ 7,921            
Interest rate 10.47% 10.47% 10.47%   8.16% 8.16% 8.16%        
SLP IV | Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,263       $ 8,348            
Interest rate 9.47% 9.47% 9.47%   8.50% 8.50% 8.50%        
SLP IV | Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 6,188            
Interest rate         8.25% 8.25% 8.25%        
SLP IV | Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 1,319            
Interest rate         8.08% 8.08% 8.08%        
SLP IV | Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 6,825       $ 6,894            
Interest rate 9.22% 9.22% 9.22%   8.38% 8.38% 8.38%        
SLP IV | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,950                    
Interest rate 11.61% 11.61% 11.61%                
SLP IV | Investment, Identifier [Axis]: OEConnection LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,039       $ 4,081            
Interest rate 9.46% 9.46% 9.46%   8.42% 8.42% 8.42%        
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,566                    
Interest rate 9.63% 9.63% 9.63%                
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 429                    
SLP IV | Investment, Identifier [Axis]: Optiv Parent Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,080                    
Interest rate 10.63% 10.63% 10.63%                
SLP IV | Investment, Identifier [Axis]: Osaic Holdings, Inc.                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 11,518                    
Interest rate 9.86% 9.86% 9.86%                
SLP IV | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,494                    
Interest rate 9.09% 9.09% 9.09%                
SLP IV | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,726                    
Interest rate 9.60% 9.60% 9.60%                
SLP IV | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 363                    
SLP IV | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,319       $ 1,333            
Interest rate 9.13% 9.13% 9.13%   7.84% 7.84% 7.84%        
SLP IV | Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 7,975            
Interest rate         7.88% 7.88% 7.88%        
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,197       $ 4,252            
Interest rate 9.53% 9.53% 9.53%   8.42% 8.42% 8.42%        
SLP IV | Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,926       $ 1,946            
Interest rate 9.25% 9.25% 9.25%   7.92% 7.92% 7.92%        
SLP IV | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,880                    
Interest rate 10.11% 10.11% 10.11%                
SLP IV | Investment, Identifier [Axis]: Project Boost Purchaser, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 2,463            
Interest rate         7.88% 7.88% 7.88%        
SLP IV | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 4,719            
Interest rate         8.38% 8.38% 8.38%        
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 1,371       $ 3,628            
Interest rate 8.47% 8.47% 8.47%   7.38% 7.38% 7.38%        
SLP IV | Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,101                    
Interest rate 10.11% 10.11% 10.11%                
SLP IV | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,363                    
Interest rate 9.97% 9.97% 9.97%                
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,271       $ 2,294            
Interest rate 12.88% 12.88% 12.88%   11.52% 11.52% 11.52%        
SLP IV | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,352       $ 4,172            
Interest rate 12.13% 12.13% 12.13%   8.41% 8.41% 8.41%        
SLP IV | Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 8,498       $ 8,584            
Interest rate 10.00% 10.00% 10.00%   8.88% 8.88% 8.88%        
SLP IV | Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 8,290            
Interest rate         7.91% 7.91% 7.91%        
SLP IV | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,526                    
Interest rate 9.85% 9.85% 9.85%                
SLP IV | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,920       $ 3,960            
Interest rate 8.86% 8.86% 8.86%   7.98% 7.98% 7.98%        
SLP IV | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,726       $ 3,765            
Interest rate 9.98% 9.98% 9.98%   8.69% 8.69% 8.69%        
SLP IV | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,660       $ 9,760            
Interest rate 9.97% 9.97% 9.97%   8.84% 8.84% 8.84%        
SLP IV | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,574                    
Interest rate 9.22% 9.22% 9.22%                
SLP IV | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 5,969       $ 6,030            
Interest rate 9.47% 9.47% 9.47%   8.35% 8.35% 8.35%        
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,686       $ 4,288            
Interest rate 10.04% 10.04% 10.04%   9.23% 9.23% 9.23%        
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 669            
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 67,838       93,734            
SLP IV | Investment, Identifier [Axis]: USIC Holdings, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,971       $ 3,801            
Interest rate 9.11% 9.11% 9.11%   7.88% 7.88% 7.88%        
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 7,289                    
Interest rate 9.61% 9.61% 9.61%                
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 308            
Interest rate         6.16% 6.16% 6.16%        
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 8,378            
Interest rate         8.13% 8.13% 8.13%        
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 251            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,244       $ 3,276            
Interest rate 9.21% 9.21% 9.21%   7.98% 7.98% 7.98%        
SLP IV | Investment, Identifier [Axis]: Virtusa Corporation, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 2,281            
Interest rate         8.17% 8.17% 8.17%        
SLP IV | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 4,040       $ 4,081            
Interest rate 10.60% 10.60% 10.60%   9.57% 9.57% 9.57%        
SLP IV | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,371       $ 9,469            
Interest rate 9.61% 9.61% 9.61%   8.73% 8.73% 8.73%        
SLP IV | Investment, Identifier [Axis]: YI, LLC, First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 21,982            
Interest rate         8.38% 8.38% 8.38%        
SLP IV | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 3,142                    
Interest rate 10.86% 10.86% 10.86%                
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 9,850       $ 9,950            
Interest rate 10.80% 10.80% 10.80%   8.62% 8.62% 8.62%        
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,165       $ 2,187            
Interest rate 10.80% 10.80% 10.80%   8.64% 8.64% 8.64%        
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,373       $ 2,397            
Interest rate 8.61% 8.61% 8.61%   7.82% 7.82% 7.82%        
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value         $ 294            
SLP IV | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount or par value $ 2,190       $ 4,384            
Interest rate 9.96% 9.96% 9.96%   8.88% 8.88% 8.88%        
SLP IV | Weighted average                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Interest rate 9.81% 9.81% 9.81%   8.54% 8.54% 8.54%        
[1] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[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 pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[4] 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 London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), weekly (W), 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, 2023.
[5] Investment is held by New Mountain Finance SBIC, L.P.
[6] 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.
[7] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. ("NMF Holdings") as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details.
[8] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C. as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[9] Par amount is denominated in United States Dollar unless otherwise noted, British Pound ("£") and/or Euro ("€").
[10] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[11] 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.
[12] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[13] All interest is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest at a rate that may be determined by reference to the London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR), Euro Interbank Offered Rate (EURIBOR) and the alternative base rate (Base) and which resets daily (D), weekly (W), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current interest rate provided reflects the rate in effect as of December 31, 2022.
[14] Investment is held in New Mountain Finance SBIC, L.P.
[15] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[16] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. ("NMF Holdings") as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details.
[17] Investment is on non-accrual status. See Note 3. Investments, for details.
[18] All or a portion of interest contains PIK interest.
[19] 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.
[20] The Company holds ordinary shares in AAC Lender Holdings, LLC and a first lien term loan, first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[21] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2022, 15.3% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[22] 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, 2023, 14.8% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[23] Investment is held by New Mountain Finance SBIC II, L.P.
[24] Investment is held in New Mountain Finance SBIC II, L.P.
[25] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.50% per annum.
[26] Investment is held by NMF HB, Inc.
[27] The Company holds investments in multiple entities of Haven Midstream Holdings LLC. The Company holds 4.6% of the Class B profits interest in QID NGL, LLC (which at closing represented 97% of the ownership in the class B units in QID TRH Holdings, LLC), class A common units of Haven Midstream Holdings LLC., and holds a first lien revolver in Haven Midstream Holdings LLC.
[28] 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%.
[29] All or a portion of interest contains PIK interest.
[30] The Company holds ordinary shares in OA Topco, L.P., and a first lien term loan and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[31] Investment is held by NMF OEC, Inc.
[32] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive preferential dividends of 11.0% per annum.
[33] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $16,500 as of December 31, 2023. See Note 2. Summary of Significant Accounting Policies, for details.
[34] Investment or a portion of the investment is on non-accrual status. See Note 3. Investments, for details.
[35] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $16,539 as of December 31, 2022. See Note 2. Summary of Significant Accounting Policies, for details.
[36] Investment is held by NMF Permian Holdings, LLC.
[37] Investment is held in NMF Permian Holdings, LLC.
[38] The Company holds ordinary shares in Pioneer Topco I, L.P., and a first lien term loan and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[39] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2023, the par value U.S. dollar equivalent of the first lien term loan, and drawn first lien term loan is $16,600 and $14,457, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[40] Investment is held by NMF Pioneer, Inc.
[41] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2022, the par value U.S. dollar equivalent of the first lien term loan, and drawn first lien term loan is $15,562 and $13,941, respectively. See Note 2. Summary of Significant Accounting Policies, for details.