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Income Taxes - Summary of Federal Income Tax Purposes Cost of Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Income Tax Disclosure [Abstract] |  |
Tax-basis amortized cost of investments | $ 1,045,066 | $ 910,599
Tax-basis gross unrealized appreciation on investments | 102,651 | 86,768
Tax-basis gross unrealized depreciation on investments | (57,211) | (39,461)
Tax-basis net unrealized appreciation on investments | 45,440 | 47,307
Fair value of investments | $ 1,090,506 | $ 957,906

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