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Fair Value of Financial Instruments - Summary of Significant Unobservable Inputs Used to Measure The Fair Value Of The Level 3 Portfolio Investments (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands | Jun. 30, 2025 USD ($) yr | Dec. 31, 2024 USD ($) yr
--- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 1,962,131 | $ 1,710,169
Debt investments | Discounted Cash Flows | Hypothetical Market Yield |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 1,370,192 | $ 1,206,947
Debt investments | Discounted Cash Flows | Minimum | Hypothetical Market Yield |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.036 | 0.096
Debt investments | Discounted Cash Flows | Maximum | Hypothetical Market Yield |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.381 | 0.563
Debt investments | Discounted Cash Flows | Weighted Average | Hypothetical Market Yield |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.158 | 0.163
Debt investments | Cost approximates fair value |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 434,409 | $ 369,600
Debt investments | Scenario Analysis | Probability Weighting of Alternative Outcomes |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 16,937 | $ 12,699
Debt investments | Scenario Analysis | Minimum | Probability Weighting of Alternative Outcomes |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.05 | 0.01
Debt investments | Scenario Analysis | Maximum | Probability Weighting of Alternative Outcomes |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.90 | 1
Debt investments | Enterprise Value |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 12,885 | $ 12,885
Equity investments | Market Approach | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 64,048 | $ 56,584
Equity investments | Market Approach | Minimum | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.003 | 0.005
Equity investments | Market Approach | Minimum | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.395 | 0.401
Equity investments | Market Approach | Minimum | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 3.7 | 0.042
Equity investments | Market Approach | Minimum | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 0.8 | 1
Equity investments | Market Approach | Maximum | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.296 | 0.349
Equity investments | Market Approach | Maximum | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 1.028 | 1.188
Equity investments | Market Approach | Maximum | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 4.1 | 0.043
Equity investments | Market Approach | Maximum | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 4.5 | 4.5
Equity investments | Market Approach | Weighted Average | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.028 | 0.034
Equity investments | Market Approach | Weighted Average | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.542 | 0.554
Equity investments | Market Approach | Weighted Average | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 3.8 | 0.043
Equity investments | Market Approach | Weighted Average | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 2.4 | 2.8
Warrants | Market Approach | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Total Level 3 Investments | $ 63,660 | $ 51,454
Warrants | Market Approach | Minimum | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.002 | 0.002
Warrants | Market Approach | Minimum | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.377 | 0.354
Warrants | Market Approach | Minimum | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.037 | 4.2
Warrants | Market Approach | Minimum | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 0.8 | 0.7
Warrants | Market Approach | Maximum | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.296 | 0.349
Warrants | Market Approach | Maximum | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 1.325 | 1.279
Warrants | Market Approach | Maximum | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.041 | 4.4
Warrants | Market Approach | Maximum | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 3.8 | 5
Warrants | Market Approach | Weighted Average | Revenue Multiple |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.035 | 0.041
Warrants | Market Approach | Weighted Average | Volatility |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.594 | 0.61
Warrants | Market Approach | Weighted Average | Risk-Free Interest Rate |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | 0.038 | 4.3
Warrants | Market Approach | Weighted Average | Estimated Time to Exit (in years) |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] |  |
Range | yr | 2.3 | 2.4

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