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Fair Value of Financial Instruments - Schedule of Quantitative Information of Fair Value Measurements (Details) - Level 3 significant unobservable inputs $ in Thousands | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 2,661,399 |  | $ 2,209,599 |
Equity and Warrant Investments |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | 86,279 |  | 118,884 |
Debt Maturing Within One Year | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | 93,172 |  | 131,584 |
Debt Investments - Imminent Payoff | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments | [1] | 77,801 |  |  |
Valuation Cost Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | 130,945 |  | 441,524 |
Valuation Market Approach | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | 29,721 |  | 26,587 |
Valuation Market Approach | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 10,968 |  | $ 14,517 |
Valuation Market Approach | Minimum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [2] | 0.0000 |  |  |
Valuation Market Approach | Maximum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [2] | 0.327 |  |  |
Market Comparable Companies | Minimum | EBITDA Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3] | 20.6 | [4]
Market Comparable Companies | Minimum | EBITDA Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3],[5] | 20.6 | [4]
Market Comparable Companies | Minimum | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.6 | [3] | 1.0 | [4]
Market Comparable Companies | Minimum | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.6 | [3] | 0.6 | [4]
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] |  |  |  |  |
Alternative Investment, Measurement Input |  | 1.7 | [3] | 2.5 | [4]
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] |  |  |  |  |
Alternative Investment, Measurement Input | [6] | 0.0719 |  | 0.1881 |
Market Comparable Companies | Minimum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [6] |  |  | 0.1881 |
Market Comparable Companies | Maximum | EBITDA Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3] | 20.6 | [4]
Market Comparable Companies | Maximum | EBITDA Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3],[5] | 26.0 | [4]
Market Comparable Companies | Maximum | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 15.4 | [3] | 18.4 | [4]
Market Comparable Companies | Maximum | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 9.3 | [3] | 9.5 | [4]
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] |  |  |  |  |
Alternative Investment, Measurement Input |  | 1.7 | [3] | 2.5 | [4]
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] |  |  |  |  |
Alternative Investment, Measurement Input | [6] | 0.3268 |  | 0.3469 |
Market Comparable Companies | Maximum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [6] |  |  | 0.3735 |
Market Comparable Companies | Weighted Average | EBITDA Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3],[7] | 20.6 | [4],[8]
Market Comparable Companies | Weighted Average | EBITDA Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 11.5 | [3],[5],[7] | 20.7 | [4],[8]
Market Comparable Companies | Weighted Average | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 6.6 | [3],[7] | 11.8 | [4],[8]
Market Comparable Companies | Weighted Average | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 3.6 | [3],[7] | 4.5 | [4],[8]
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] |  |  |  |  |
Alternative Investment, Measurement Input |  | 1.7 | [3],[7] | 2.5 | [4],[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] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.2053 | [2],[7] | 0.2553 | [6],[8]
Market Comparable Companies | Weighted Average | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.2135 | [2],[7] | 0.2693 | [6],[8]
Liquidation | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 0 |  | $ 0 |
Liquidation | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 0 |  |  |
Liquidation | Minimum | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 2.1 | [3] | 2.1 | [4]
Liquidation | Minimum | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [3] | 7.1 |  |  |
Liquidation | Minimum | Discount for Lack of Marketability | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [6] | 0.8400 |  | 0.8400 |
Liquidation | Minimum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [6] | 0.9000 |  |  |
Liquidation | Maximum | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 2.1 | [3] | 2.1 | [4]
Liquidation | Maximum | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [3] | 7.1 |  |  |
Liquidation | Maximum | Discount for Lack of Marketability | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [6] | 0.8400 |  | 0.8400 |
Liquidation | Maximum | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [2] | 0.9000 |  |  |
Liquidation | Weighted Average | Revenue Multiple | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 2.1 | [3],[7] | 2.1 | [4],[8]
Liquidation | Weighted Average | Discount for Lack of Marketability | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.8400 | [2],[7] | 0.8400 | [6],[8]
Liquidation | Weighted Average | Discount for Lack of Marketability | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [2],[7] | 0.9000 |  |  |
Market Adjusted OPM Backsolve | Minimum | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [9] |  |  | (0.8867) |
Market Adjusted OPM Backsolve | Maximum | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [9] |  |  | 0.4722 |
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] |  |  |  |  |
Alternative Investment, Measurement Input | [8],[9] |  |  | 0.0081 |
Market Adjusted OPM Backsolve | Weighted Average | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [8],[9] |  |  | (0.0776) |
Market Adjusted OPM Backsolve | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 13,397 |  | $ 24,910 |
Market Adjusted OPM Backsolve | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 6,671 |  | $ 11,914 |
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] |  |  |  |  |
Alternative Investment, Measurement Input | [9] | (0.9729) |  | (0.8867) |
Market Adjusted OPM Backsolve | Minimum | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [10] | (0.9729) |  |  |
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] |  |  |  |  |
Alternative Investment, Measurement Input | [9] | 0.0780 |  | 0.4722 |
Market Adjusted OPM Backsolve | Maximum | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [10] | 0.1057 |  |  |
Market Adjusted OPM Backsolve | Weighted Average | Revenue Multiple | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [3],[7] | 7.1 |  |  |
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] |  |  |  |  |
Alternative Investment, Measurement Input | [7],[9] | (0.1668) |  |  |
Market Adjusted OPM Backsolve | Weighted Average | Market Equity Adjustment | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [7],[9] | (0.1868) |  |  |
Discounted Cash Flow | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 21,945 |  | $ 11,990 |
Discounted Cash Flow | Minimum | Measurement Input, Discount Rate | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1708 | [11] | 0.1593 | [12]
Discounted Cash Flow | Maximum | Measurement Input, Discount Rate | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.2880 | [11] | 0.2530 | [12]
Discounted Cash Flow | Weighted Average | Measurement Input, Discount Rate | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.2332 | [7],[11] | 0.2046 | [8],[12]
Other | Equity Securities |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 3,577 | [5] | $ 27,920 | [13]
Other | Warrant |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | 0 | [5] | 1,046 | [13]
Pharmaceuticals | Valuation Cost Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 37,851 |  | $ 206,461 |
Pharmaceuticals | Valuation Cost Approach | Minimum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0928 |  | 0.1123 |
Pharmaceuticals | Valuation Cost Approach | Maximum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1026 |  | 0.1284 |
Pharmaceuticals | Valuation Cost Approach | Weighted Average | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1016 | [14] | 0.1140 | [15]
Pharmaceuticals | Valuation Market Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 982,922 |  |  |
Pharmaceuticals | Market Comparable Companies | Minimum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1048 |  | 0.0969 |
Pharmaceuticals | Market Comparable Companies | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | (0.0050) |
Pharmaceuticals | Market Comparable Companies | Maximum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1810 |  | 0.1389 |
Pharmaceuticals | Market Comparable Companies | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0150 |  | 0.0075 |
Pharmaceuticals | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] | 0.1317 |  | 0.1134 |
Pharmaceuticals | Market Comparable Companies | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0002 | [14] | 0.0006 | [15]
Pharmaceuticals | Market Yield Analysis | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  |  |  | $ 451,587 |
Technology | Valuation Cost Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  |  |  | $ 109,904 |
Technology | Valuation Cost Approach | Origination Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 43,732 |  |  |
Technology | Valuation Cost Approach | Minimum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0990 |  | 0.1112 |
Technology | Valuation Cost Approach | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.0100 |
Technology | Valuation Cost Approach | Maximum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1253 |  | 0.1168 |
Technology | Valuation Cost Approach | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.3500 |
Technology | Valuation Cost Approach | Weighted Average | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1041 | [14] | 0.1139 | [15]
Technology | Valuation Cost Approach | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] |  |  | 0.3295 |
Technology | Valuation Market Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 910,488 |  |  |
Technology | Market Comparable Companies | Minimum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1172 |  | 0.0898 |
Technology | Market Comparable Companies | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | (0.0075) |  | (0.0050) |
Technology | Market Comparable Companies | Maximum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1752 |  | 0.1454 |
Technology | Market Comparable Companies | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0150 |  | 0.0075 |
Technology | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1422 | [14] | 0.1164 | [15]
Technology | Market Comparable Companies | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0016 | [14] | 0.0012 | [15]
Technology | Market Yield Analysis | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  |  |  | $ 654,320 |
Technology | Liquidation | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 4,270 |  | $ 2,608 | [16]
Technology | Liquidation | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1500 |  | 0.2000 | [16]
Technology | Liquidation | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.5500 |  | 0.5000 | [16]
Technology | Liquidation | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [16] | 0.4657 | [14] | 0.4048 | [15]
Technology | Valuation Income Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 20,354 |  | $ 20,425 |
Technology | Valuation Income Approach | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0100 |  |  |
Technology | Valuation Income Approach | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.5000 |  |  |
Technology | Valuation Income Approach | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [14] | 0.3583 |  |  |
Medical Devices | Valuation Cost Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 14,835 |  |  |
Medical Devices | Valuation Cost Approach | Minimum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1484 |  |  |
Medical Devices | Valuation Cost Approach | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0050 |  |  |
Medical Devices | Valuation Cost Approach | Maximum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1484 |  |  |
Medical Devices | Valuation Cost Approach | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 50 |  |  |
Medical Devices | Valuation Cost Approach | Weighted Average | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [14] | 0.1484 |  |  |
Medical Devices | Valuation Cost Approach | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] | 0.0050 |  |  |
Lower Middle Market | Valuation Cost Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 25,595 |  | $ 3,100 |
Lower Middle Market | Valuation Cost Approach | Minimum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0967 |  | 0.0517 |
Lower Middle Market | Valuation Cost Approach | Maximum | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0967 |  | 0.0517 |
Lower Middle Market | Valuation Cost Approach | Weighted Average | Measurement Input, Discount Rate | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0967 | [14] | 0.0517 | [15]
Lower Middle Market | Valuation Market Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 308,155 |  |  |
Lower Middle Market | Market Comparable Companies | Minimum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1271 |  | 0.1223 |
Lower Middle Market | Market Comparable Companies | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | (0.0200) |  | 0.0000 |
Lower Middle Market | Market Comparable Companies | Maximum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1782 |  | 0.1601 |
Lower Middle Market | Market Comparable Companies | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0150 |  | 0.0150 |
Lower Middle Market | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1394 | [14] | 0.1322 | [15]
Lower Middle Market | Market Comparable Companies | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | (0.0038) | [14] | 0.0043 | [15]
Lower Middle Market | Market Yield Analysis | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  |  |  | $ 81,566 |
Lower Middle Market | Liquidation | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 8,318 |  | $ 8,269 | [16]
Lower Middle Market | Liquidation | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.2000 |  | 0.2000 | [16],[17]
Lower Middle Market | Liquidation | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.8000 |  | 0.8000 | [1]
Lower Middle Market | Liquidation | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.8000 | [14],[18] | 0.8000 | [15],[16]
Lower Middle Market | Expected Realizable Value | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments | [1] |  |  | $ 90,504 |
Lower Middle Market | Expected Realizable Value | Minimum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.1064 |
Lower Middle Market | Expected Realizable Value | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | (0.0100) |
Lower Middle Market | Expected Realizable Value | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [1] |  |  | 0.3000 |
Lower Middle Market | Expected Realizable Value | Maximum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.1064 |
Lower Middle Market | Expected Realizable Value | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | (0.0100) |
Lower Middle Market | Expected Realizable Value | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [1] |  |  | 0.7000 |
Lower Middle Market | Expected Realizable Value | Weighted Average | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] |  |  | 0.1064 |
Lower Middle Market | Expected Realizable Value | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] |  |  | (0.0100) |
Lower Middle Market | Expected Realizable Value | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [1],[15] |  |  | 0.5774 |
Sustainable And Renewable Technology | Valuation Cost Approach | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.4000 |
Sustainable And Renewable Technology | Valuation Cost Approach | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  |  |  | 0.6000 |
Sustainable And Renewable Technology | Valuation Cost Approach | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15] |  |  | 0.5184 |
Sustainable And Renewable Technology | Valuation Market Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  | $ 2,961 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Minimum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1367 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Minimum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0075 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Maximum | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.1367 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Maximum | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input |  | 0.0075 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [14] | 0.1367 |  |  |
Sustainable And Renewable Technology | Market Comparable Companies | Weighted Average | Premium/(Discount) | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [14] | 0.0075 |  |  |
Sustainable And Renewable Technology | Valuation Income Approach | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments |  |  |  | $ 247 |
Sustainable And Renewable Technology | Expected Realizable Value | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Investments | [17] |  |  | $ 7,500 |
Sustainable And Renewable Technology | Expected Realizable Value | Minimum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [17] |  |  | 1 |
Sustainable And Renewable Technology | Expected Realizable Value | Maximum | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [17] |  |  | 1 |
Sustainable And Renewable Technology | Expected Realizable Value | Weighted Average | Probability weighting of alternative outcomes | Debt Investment |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |  |  |  |
Alternative Investment, Measurement Input | [15],[17] |  |  | 1.0000 |
[1] | Expected realizable value represent debt investments that the Company expects to be fully repaid within the next three months, prior to their scheduled maturity date.
[2] | Represents amounts used when the Company has determined market participants would take into account these discounts when pricing the investments.
[3] | Represents amounts used when the Company has determined that market participants would use such multiples when pricing the investments.
[4] | Represents amounts used when the Company has determined that market participants would use such multiples when pricing the investments.
[5] | The fair market value of these investments is derived based on recent private market and merger and acquisition transaction prices.
[6] | Represents amounts used when the Company has determined market participants would take into account these discounts when pricing the investments.
[7] | Weighted averages are calculated based on the fair market value of each investment.
[8] | Weighted averages are calculated based on the fair market value of each investment.
[9] | Represents the range of changes in industry valuations since the portfolio company's last external valuation event.
[10] | Represents the range of changes in industry valuations since the portfolio company's last external valuation event.
[11] | The discount rate used is based on current portfolio yield adjusted for uncertainty of actual performance and timing in capital deployments.
[12] | The discount rate used is based on current portfolio yield adjusted for uncertainty of actual performance and timing in capital deployments.
[13] | The fair market value of these investments is derived based on recent market transactions.
[14] | The weighted averages are calculated based on the fair market value of each investment.
[15] | The weighted averages are calculated based on the fair market value of each investment.
[16] | The significant unobservable input used in the fair value measurement of impaired debt securities is the probability weighting of alternative outcomes.
[17] | Expected realizable value represent debt investments that the Company expects to be fully repaid within the next three months, prior to their scheduled maturity date.
[18] | The significant unobservable input used in the fair value measurement of impaired debt securities is the probability weighting of alternative outcomes.

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