v3.26.1
Fair Value Measurements - Schedule of Fair Value Measurements of Investments (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Derivative contracts payable, at fair value $ 311,000 $ 185,000
Fair Value, Recurring    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total investments measured at fair value 836,632,000 849,354,000
Total cash equivalents 14,745 13,450
Total interest rate swaps (311,000) 185,000
Fair Value, Recurring | Interest Rate Swap    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Derivative contracts payable, at fair value (311,000) 185,000
Fair Value, Recurring | Level 1    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total cash equivalents 14,745 13,450
Fair Value, Recurring | Level 2    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total investments measured at fair value 58,000 83,000
Total interest rate swaps (311,000) 185,000
Fair Value, Recurring | Level 2 | Interest Rate Swap    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Derivative contracts payable, at fair value (311,000) 185,000
Fair Value, Recurring | Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total investments measured at fair value 836,574,000 849,271,000
Fair Value, Recurring | Senior Secured First Lien Loans    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 655,435,000 673,713,000
Fair Value, Recurring | Senior Secured First Lien Loans | Level 2    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 58,000 83,000
Fair Value, Recurring | Senior Secured First Lien Loans | Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 655,377,000 673,630,000
Fair Value, Recurring | Equity    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 9,343,000 9,939,000
Fair Value, Recurring | Equity | Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 9,343,000 9,939,000
Fair Value, Recurring | Subordinated Certificates Of SDLP    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 171,854,000 165,702,000
Fair Value, Recurring | Subordinated Certificates Of SDLP | Level 3    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Investments at fair value 171,854,000 165,702,000
Fair Value, Recurring | Money Market Funds    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total cash equivalents 14,745 13,450
Fair Value, Recurring | Money Market Funds | Level 1    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Total cash equivalents $ 14,745 $ 13,450