Annual report pursuant to Section 13 and 15(d)

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

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Fair Value of Financial Instruments - Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]      
Total net change in unrealized appreciation (depreciation) $ 25,010 $ (85,063) $ 3,311
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) 11,500 (18,900)  
Significant Unobservable Inputs (Level 3) | Preferred Stock Investment      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]      
Total net change in unrealized appreciation (depreciation) (4,600) (19,400)  
Significant Unobservable Inputs (Level 3) | Common Stock Investment      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]      
Total net change in unrealized appreciation (depreciation) 11,300 6,800  
Significant Unobservable Inputs (Level 3) | Warrants      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]      
Total net change in unrealized appreciation (depreciation) $ 1,500 $ (12,700)