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Fair Value of Financial Instruments - Schedule of Equity Investments (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total net change in unrealized appreciation (depreciation) | $ (25,565) | $ 3,634
Significant Unobservable Inputs (Level 3) | Debt investments |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total net change in unrealized appreciation (depreciation) | (23,400) | 400
Significant Unobservable Inputs (Level 3) | Preferred stock |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total net change in unrealized appreciation (depreciation) | (4,000) | (2,300)
Significant Unobservable Inputs (Level 3) | Common stock |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total net change in unrealized appreciation (depreciation) | (2,300) | (1,800)
Significant Unobservable Inputs (Level 3) | Warrant investments |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total net change in unrealized appreciation (depreciation) | $ (1,600) | $ 700

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