Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Fair Value of Financial Instruments - Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]        
Total net change in unrealized appreciation (depreciation) $ 29,566 $ 47,790 $ (15,439) $ 22,225
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)     (24,100) (11,400)
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)     2,200 (2,000)
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)     (4,100) (2,000)
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)     $ 8,300 $ 700