Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.2
Fair Value of Financial Instruments - Schedule of Quantitative Information of Fair Value Measurements (Details) - Level 3 significant unobservable inputs
$ in Thousands
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Equity and Warrant Investments    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 96,216 $ 85,966
Valuation Market Approach | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 35,966 30,086
Valuation Market Approach | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 15,936 $ 12,479
Valuation Market Approach | 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 [1] 0.0547  
Valuation Market Approach | 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 [1] 0.3211  
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 13.3 [2] 12.4 [3]
Market Comparable Companies | Minimum | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 13.3 [2] 12.4 [3]
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 [2] 0.7 [3]
Market Comparable Companies | Minimum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.7 [2] 0.6 [3]
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 [2] 1.6 [3]
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 [4]   0.0811
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]    
Alternative Investment, Measurement Input 0.0547 [1] 0.0811 [4]
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 13.3 [2] 12.4 [3]
Market Comparable Companies | Maximum | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 13.3 [2] 12.4 [3]
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 18 [2] 16.1 [5]
Market Comparable Companies | Maximum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 9.9 [2] 8.8 [3]
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 [2] 1.6 [3]
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 [4]   0.289
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]    
Alternative Investment, Measurement Input 0.325 [1] 0.327 [4]
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 13.3 [2],[6] 12.4 [3],[7]
Market Comparable Companies | Weighted Average | EBITDA Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 13.3 [2],[6] 12.4 [3],[7]
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 7.9 [2],[6] 7.4 [3],[7]
Market Comparable Companies | Weighted Average | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 3.9 [2],[6] 3.4 [3],[7]
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 [2],[6] 1.6 [3],[7]
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 0.2335 [1],[6] 0.1979 [4],[7]
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]    
Alternative Investment, Measurement Input 0.2291 [1],[6] 0.1897 [4],[7]
Liquidation | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 0 $ 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 1.7 [2] 2.1 [3]
Liquidation | Minimum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [3]   6.2
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 0.83 [1] 0.85 [4]
Liquidation | Minimum | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [4]   90
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 1.7 [2] 2.1 [3]
Liquidation | Maximum | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [3]   6.2
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 0.83 [1] 0.85 [4]
Liquidation | Maximum | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [4]   90
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 1.7 [2],[6] 2.1 [3],[7]
Liquidation | Weighted Average | Revenue Multiple | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [3],[7]   6.2
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 0.83 [1],[6] 0.85 [4],[7]
Liquidation | Weighted Average | Discount for Lack of Marketability | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [4],[7]   90
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 (0.8347) [5] (0.9782) [8]
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 0.1333 [5] 0.1634 [8]
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 (0.1331) [5],[6] (0.1669) [7],[8]
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]    
Alternative Investment, Measurement Input 0.0656 [5],[6] (0.0886) [7],[8]
Market Adjusted OPM Backsolve | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 8,882 $ 13,795
Market Adjusted OPM Backsolve | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 5,244 $ 6,934
Market Adjusted OPM Backsolve | Minimum | Market Equity Adjustment | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input (0.6349) [5] (0.9782) [8]
Market Adjusted OPM Backsolve | Maximum | Market Equity Adjustment | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.2393 [5] 0.6643 [8]
Discounted Cash Flow | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 27,161 $ 19,153
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 0.1995 [9] 0.1772 [10]
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 0.3168 [9] 0.3013 [10]
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 0.2614 [6],[9] 0.2446 [7],[10]
Other | Equity Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments [11] $ 3,027 $ 3,513
Other | Warrants    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments   6
Investments [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 2,937,942 2,795,444
Investments [Member] | Debt Maturing Within One Year    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 162,590 93,597
Investments [Member] | Debt Investments - Imminent Payoff    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments [12] 142,446 77,676
Investments [Member] | Valuation Cost Approach    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 255,144 392,168
Investments [Member] | Valuation Market Approach | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 1,046,205 903,427
Investments [Member] | Valuation Market Approach | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 1,047,563 967,108
Investments [Member] | Valuation Market Approach | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 1,856 3,006
Investments [Member] | Valuation Market Approach | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments 252,658 328,393
Investments [Member] | Liquidation | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments [13]   1,671
Investments [Member] | Liquidation | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 7,073 [13] $ 8,042
Investments [Member] | Liquidation | Minimum | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13]   0.05
Investments [Member] | Liquidation | Minimum | Probability weighting of alternative outcomes | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13] 0.20 0.20
Investments [Member] | Liquidation | Maximum | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13]   0.80
Investments [Member] | Liquidation | Maximum | Probability weighting of alternative outcomes | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13] 0.80 0.80
Investments [Member] | Liquidation | Weighted Average | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13],[14]   0.4829
Investments [Member] | Liquidation | Weighted Average | Probability weighting of alternative outcomes | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [13],[14] 0.80 0.80
Investments [Member] | Valuation Income Approach | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Investments $ 22,407 $ 20,356
Investments [Member] | Valuation Income Approach | Minimum | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.01 0.01
Investments [Member] | Valuation Income Approach | Maximum | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.50 0.50
Investments [Member] | Valuation Income Approach | Weighted Average | Probability weighting of alternative outcomes | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.3522 0.3579
Investments [Member] | Market Comparable Companies | Hypothetical Market Yield | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.111  
Investments [Member] | Market Comparable Companies | Premium/(Discount) | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.0075  
Investments [Member] | Market Comparable Companies | Minimum | Hypothetical Market Yield | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.1172 0.1174
Investments [Member] | Market Comparable Companies | Minimum | Hypothetical Market Yield | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.1287 0.1205
Investments [Member] | Market Comparable Companies | Minimum | Hypothetical Market Yield | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input   0.1471
Investments [Member] | Market Comparable Companies | Minimum | Hypothetical Market Yield | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.1407 0.1368
Investments [Member] | Market Comparable Companies | Minimum | Premium/(Discount) | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input (0.01) (0.0075)
Investments [Member] | Market Comparable Companies | Minimum | Premium/(Discount) | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input (0.0075) (0.01)
Investments [Member] | Market Comparable Companies | Minimum | Premium/(Discount) | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input   0.0075
Investments [Member] | Market Comparable Companies | Minimum | Premium/(Discount) | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input (0.0075) (0.02)
Investments [Member] | Market Comparable Companies | Maximum | Hypothetical Market Yield | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.1825 0.1904
Investments [Member] | Market Comparable Companies | Maximum | Hypothetical Market Yield | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.202 0.1853
Investments [Member] | Market Comparable Companies | Maximum | Hypothetical Market Yield | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input   0.1471
Investments [Member] | Market Comparable Companies | Maximum | Hypothetical Market Yield | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.1736 0.1849
Investments [Member] | Market Comparable Companies | Maximum | Premium/(Discount) | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.035 0.0175
Investments [Member] | Market Comparable Companies | Maximum | Premium/(Discount) | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.03 0.015
Investments [Member] | Market Comparable Companies | Maximum | Premium/(Discount) | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input   0.0075
Investments [Member] | Market Comparable Companies | Maximum | Premium/(Discount) | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input 0.0175 0.0075
Investments [Member] | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.1452 0.1517
Investments [Member] | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.1557 0.1521
Investments [Member] | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.111 0.1471
Investments [Member] | Market Comparable Companies | Weighted Average | Hypothetical Market Yield | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.1396 0.1482
Investments [Member] | Market Comparable Companies | Weighted Average | Premium/(Discount) | Pharmaceuticals    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.001 0.0001
Investments [Member] | Market Comparable Companies | Weighted Average | Premium/(Discount) | Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.0039 0.002
Investments [Member] | Market Comparable Companies | Weighted Average | Premium/(Discount) | Sustainable And Renewable Technology    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.0075 0.0075
Investments [Member] | Market Comparable Companies | Weighted Average | Premium/(Discount) | Lower Middle Market    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Alternative Investment, Measurement Input [14] 0.0023 (0.0043)
[1] Represents amounts used when the Company has determined market participants would take into account these discounts when pricing the investments.
[2] Represents amounts used when the Company has determined that market participants would use such multiples 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 market participants would take into account these discounts when pricing the investments.
[5] Represents the range of changes in industry valuations since the portfolio company's last external valuation event.
[6] Weighted averages are calculated based on the fair market value of each investment.
[7] Weighted averages are calculated based on the fair market value of each investment.
[8] Represents the range of changes in industry valuations since the portfolio company's last external valuation event.
[9] The discount rate used is based on current portfolio yield adjusted for uncertainty of actual performance and timing in capital deployments.
[10] The discount rate used is based on current portfolio yield adjusted for uncertainty of actual performance and timing in capital deployments.
[11] The fair market value of these investments is derived based on recent private market and merger and acquisition transaction prices.
[12] Imminent payoffs represent debt investments that the Company expects to be fully repaid within the next three months, prior to their scheduled maturity date.
[13] The significant unobservable input used in the fair value measurement of impaired debt securities is the probability weighting of alternative outcomes.
[14] The weighted averages are calculated based on the fair market value of each investment.