v3.25.3
Fair Value Measurement - Summary of Ranges of Significant Unobservable Inputs Used to Value Level 3 Assets (Parenthetical) (Details)
$ in Thousands
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Debt investments, Fair Value $ 3,196,933 $ 3,475,258
Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Debt investments, Fair Value 3,173,534 3,431,997
Income Approach | Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Debt investments, Fair Value $ 2,745,539 $ 3,028,320
Fair value of debt investments percentage using income approach 0.879 0.90
Investment Adviser did not Develop Unobservable Inputs | Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Debt investments, Fair Value $ 290,434 $ 242,458