Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments - Schedule of Quantitative Information of Fair Value Measurements (Details)

v3.25.0.1
Fair Value of Financial Instruments - Schedule of Quantitative Information of Fair Value Measurements (Details) - Significant Unobservable Inputs (Level 3)
$ in Thousands
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 3,494,601 $ 3,057,299
Equity and Warrant Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 120,218 116,916
Debt Investments And Other Investment Receivables    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 3,493,589 3,066,947
Market Comparable Companies | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 45,420 52,094
Market Comparable Companies | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 18,302 19,014
Market Comparable Companies | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 947,065 971,775
Market Comparable Companies | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 1,365,943 1,181,823
Market Comparable Companies | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 21,102 1,678
Market Comparable Companies | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 59,645  
Market Comparable Companies | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 636,258 $ 322,162
Market Comparable Companies | Hypothetical Market Yield | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1310  
Market Comparable Companies | Premium/(Discount) | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   0.0047
Market Comparable Companies | Minimum | Hypothetical Market Yield | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0842 0.1091
Market Comparable Companies | Minimum | Hypothetical Market Yield | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1021 0.1130
Market Comparable Companies | Minimum | Hypothetical Market Yield | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1241 0.1075
Market Comparable Companies | Minimum | Hypothetical Market Yield | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1179  
Market Comparable Companies | Minimum | Hypothetical Market Yield | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1027 0.1254
Market Comparable Companies | Minimum | Premium/(Discount) | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.0250) (0.0100)
Market Comparable Companies | Minimum | Premium/(Discount) | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.0075) (0.0100)
Market Comparable Companies | Minimum | Premium/(Discount) | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0025 0.0075
Market Comparable Companies | Minimum | Premium/(Discount) | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0000  
Market Comparable Companies | Minimum | Premium/(Discount) | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.0025) (0.0075)
Market Comparable Companies | Minimum | EBITDA Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Minimum | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Minimum | Revenue Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.4 0.3
Market Comparable Companies | Minimum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.8 0.9
Market Comparable Companies | Minimum | Tangible Book Value Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 1.7 1.8
Market Comparable Companies | Minimum | Discount for Lack of Marketability | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1764 0.0711
Market Comparable Companies | Minimum | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1472 0.0621
Market Comparable Companies | Maximum | Hypothetical Market Yield | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1619 0.2143
Market Comparable Companies | Maximum | Hypothetical Market Yield | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2058 0.2074
Market Comparable Companies | Maximum | Hypothetical Market Yield | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1544 0.1075
Market Comparable Companies | Maximum | Hypothetical Market Yield | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1275  
Market Comparable Companies | Maximum | Hypothetical Market Yield | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2100 0.2015
Market Comparable Companies | Maximum | Premium/(Discount) | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0300 0.0350
Market Comparable Companies | Maximum | Premium/(Discount) | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0450 0.0500
Market Comparable Companies | Maximum | Premium/(Discount) | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0350 0.0075
Market Comparable Companies | Maximum | Premium/(Discount) | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0050  
Market Comparable Companies | Maximum | Premium/(Discount) | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0500 0.0225
Market Comparable Companies | Maximum | EBITDA Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Maximum | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Maximum | Revenue Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 16.8 20.1
Market Comparable Companies | Maximum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 14.1 10.2
Market Comparable Companies | Maximum | Tangible Book Value Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 1.7 1.8
Market Comparable Companies | Maximum | Discount for Lack of Marketability | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.9280 0.9272
Market Comparable Companies | Maximum | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.3435 0.3312
Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1203 0.1346
Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   0.1503
Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1525 0.1075
Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1224  
Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1412 0.1413
Market Comparable Companies | Weighted Average | Premium/(Discount) | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0013 0.0004
Market Comparable Companies | Weighted Average | Premium/(Discount) | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0020  
Market Comparable Companies | Weighted Average | Premium/(Discount) | Sustainable and Renewable Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0045 0.0075
Market Comparable Companies | Weighted Average | Premium/(Discount) | Medical Devices | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0026  
Market Comparable Companies | Weighted Average | Premium/(Discount) | Lower Middle Market | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0107 0.0056
Market Comparable Companies | Weighted Average | EBITDA Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Weighted Average | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   12.3
Market Comparable Companies | Weighted Average | Revenue Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 9.1 7.2
Market Comparable Companies | Weighted Average | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 4.5 4.2
Market Comparable Companies | Weighted Average | Tangible Book Value Multiple | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 1.7 1.8
Market Comparable Companies | Weighted Average | Discount for Lack of Marketability | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.3612 0.3157
Market Comparable Companies | Weighted Average | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2676 0.2170
Liquidation | Accounts Payable and Accrued Liabilities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ (1,012)  
Liquidation | Other Investment Receivables    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments   $ 9,648
Liquidation | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 55,344 8,455
Liquidation | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 51,004 $ 0
Liquidation | Minimum | Probability weighting of alternative outcomes | Accounts Payable and Accrued Liabilities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2000  
Liquidation | Minimum | Probability weighting of alternative outcomes | Other Investment Receivables    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   0.1000
Liquidation | Minimum | Probability weighting of alternative outcomes | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2000 0.1000
Liquidation | Minimum | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2200 1.0000
Liquidation | Maximum | Probability weighting of alternative outcomes | Accounts Payable and Accrued Liabilities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.5000  
Liquidation | Maximum | Probability weighting of alternative outcomes | Other Investment Receivables    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   0.5000
Liquidation | Maximum | Probability weighting of alternative outcomes | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.8000 0.5000
Liquidation | Maximum | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.7800 1.0000
Liquidation | Weighted Average | Probability weighting of alternative outcomes | Accounts Payable and Accrued Liabilities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.3844  
Liquidation | Weighted Average | Probability weighting of alternative outcomes | Other Investment Receivables    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input   0.4183
Liquidation | Weighted Average | Probability weighting of alternative outcomes | Pharmaceuticals | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.7553 0.4183
Liquidation | Weighted Average | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.6634 1.0000
Convertible Note Analysis | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 26,869 $ 23,244
Convertible Note Analysis | Minimum | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0100 0.0100
Convertible Note Analysis | Maximum | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.7000 0.5000
Convertible Note Analysis | Weighted Average | Probability weighting of alternative outcomes | Technology | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.5066 0.3932
Cost Approach | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 242,833 $ 431,512
Debt Investments Imminent Payoffs | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 4,141 54,430
Debt Maturing Within One Year | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 36,185 62,220
Market Adjusted OPM Backsolve | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 12,374 11,096
Market Adjusted OPM Backsolve | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 3,521 $ 3,074
Market Adjusted OPM Backsolve | Minimum | Market Equity Adjustment | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.9657) (0.8614)
Market Adjusted OPM Backsolve | Minimum | Market Equity Adjustment | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.5636) (0.7067)
Market Adjusted OPM Backsolve | Maximum | Market Equity Adjustment | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2476 0.3269
Market Adjusted OPM Backsolve | Maximum | Market Equity Adjustment | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.2476 0.3486
Market Adjusted OPM Backsolve | Weighted Average | Market Equity Adjustment | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input (0.1757) 0.0747
Market Adjusted OPM Backsolve | Weighted Average | Market Equity Adjustment | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.0133 0.1317
Discounted Cash Flow | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 34,677 $ 28,713
Discounted Cash Flow | Minimum | Discount Rate | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.1217 0.1988
Discounted Cash Flow | Maximum | Discount Rate | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.3334 0.3197
Discounted Cash Flow | Weighted Average | Discount Rate | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investment company, investment owned, measurement input 0.3021 0.3051
Other | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 5,924 $ 2,925
Other | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments   $ 0
Debt Investments In Wholly-Owned Subsidiaries | Debt Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 48,212