Fair Value Measurement - Summary of Ranges of Significant Unobservable Inputs Used to Value Level 3 Assets (Parenthetical) (Details) $ in Thousands	Dec. 31, 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	$ 3,261,721	$ 3,475,258
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Debt investments, Fair Value	3,207,527	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	$ 2,737,368	$ 3,028,320
Fair value of debt investments percentage using income approach	0.865	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	$ 309,999	$ 242,458