v3.25.2
FAIR VALUE MEASUREMENTS - Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Level 3 Fair Value Measurements of Assets (Details) - Level 3
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 1,442,410,000 $ 1,276,467,000
First-Lien Debt | Yield Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 1,308,161,000 $ 1,153,845,000
First-Lien Debt | Yield Method | Low | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0531  
First-Lien Debt | Yield Method | Low | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.0583
First-Lien Debt | Yield Method | High | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1631  
First-Lien Debt | Yield Method | High | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.1920
First-Lien Debt | Yield Method | Weighted Average | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0910  
First-Lien Debt | Yield Method | Weighted Average | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.0980
First-Lien Debt | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 19,924,000 $ 8,969,000
First-Lien Debt | Market Approach | Low | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 4.75 8
First-Lien Debt | Market Approach | High | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 9.75 15.5
First-Lien Debt | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 9.32 12.59
First-Lien Debt | Market Approach, Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 2,057,000  
First-Lien Debt | Market Approach, Revenue Multiple | Low | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.4  
First-Lien Debt | Market Approach, Revenue Multiple | High | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 12  
First-Lien Debt | Market Approach, Revenue Multiple | Weighted Average | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 3.02  
First-Lien Debt | Recent Transactions    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments valued using recent transactions $ 133,254,000 $ 107,270,000
Subordinated Debt | Yield Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 94,615,000 $ 95,793,000
Subordinated Debt | Yield Method | Low | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1182  
Subordinated Debt | Yield Method | Low | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.1182
Subordinated Debt | Yield Method | High | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.2600  
Subordinated Debt | Yield Method | High | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.2500
Subordinated Debt | Yield Method | Weighted Average | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1512  
Subordinated Debt | Yield Method | Weighted Average | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.1520
Subordinated Debt | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 5,070,000 $ 1,765,000
Subordinated Debt | Market Approach | Low | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.75 14
Subordinated Debt | Market Approach | High | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 14 14
Subordinated Debt | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 11.69 14
Subordinated Debt | Recent Transactions    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments valued using recent transactions $ 1,508,000 $ 5,435,000
Equity Investments | Yield Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 700,000 $ 657,000
Equity Investments | Yield Method | Low | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0836  
Equity Investments | Yield Method | Low | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.0800
Equity Investments | Yield Method | High | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1581  
Equity Investments | Yield Method | High | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.1606
Equity Investments | Yield Method | Weighted Average | Market Yield Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0841  
Equity Investments | Yield Method | Weighted Average | Implied Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.1379
Equity Investments | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 11,670,000 $ 15,272,000
Equity Investments | Market Approach | Low | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 4.75 8
Equity Investments | Market Approach | High | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 20 22
Equity Investments | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 11.93 12.98
Equity Investments | Market Approach, Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value $ 213,000  
Equity Investments | Market Approach, Revenue Multiple | Low | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.4  
Equity Investments | Market Approach, Revenue Multiple | High | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10  
Equity Investments | Market Approach, Revenue Multiple | Weighted Average | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 7.61  
Equity Investments | Market Approach, ARR Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value   $ 166,000
Equity Investments | Market Approach, ARR Multiple | Low | ARR Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   5
Equity Investments | Market Approach, ARR Multiple | High | ARR Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   5
Equity Investments | Market Approach, ARR Multiple | Weighted Average | ARR Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   5
Equity Investments | Recent Transactions    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments valued using recent transactions $ 1,145,000 $ 3,619,000