Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value of Financial Instruments - Schedule of Equity Investments (Details)

v3.25.4
Fair Value of Financial Instruments - Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]      
Total net change in unrealized appreciation (depreciation) $ 38,812 $ (31,209) $ 25,010
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) 8,800 (44,200)  
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) (3,200) (5,900)  
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) (3,300) (2,400)  
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) $ 700 $ 700