v3.25.2
Fair Value of Financial Instruments - Unobservable Inputs Used in Fair Value Measurement of Investments (Detail)
$ in Thousands
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,362,591 [1],[2],[3] $ 1,140,859 [4],[5],[6]
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 1,362,591 1,140,859
Discounted Cash Flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Senior Debt 311,015 292,284
Equity 938,076 $ 848,575
Transaction Precedent | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Senior Debt 23,000  
Equity $ 90,500  
Minimum | Discounted Cash Flow | Discount Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 0.105 0.108
Measurement input, equity securities 0.105 0.108
Minimum | Market Comparables | EBITDA Multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 5.9 6.3
Measurement input, equity securities 5.9 6.3
Maximum | Discounted Cash Flow | Discount Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 0.160 0.160
Measurement input, equity securities 0.160 0.160
Maximum | Market Comparables | EBITDA Multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 20.0 21.7
Measurement input, equity securities 20.0 21.7
Weighted Average | Discounted Cash Flow | Discount Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 0.135 0.134
Measurement input, equity securities 0.135 0.134
Weighted Average | Market Comparables | EBITDA Multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input, debt securities 12.4 12.4
Measurement input, equity securities 12.4 12.4
[1] All investments are US based unless otherwise noted.
[2] Percentages represent fair value as a percentage of net assets for each investment category.
[3] Security may be an obligation of one or more entities affiliated with the named company.
[4] All investments are US based unless otherwise noted.
[5] Percentages represent fair value as a percentage of net assets for each investment category.
[6] Security may be an obligation of one or more entities affiliated with the named company.