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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	Dec. 31, 2024 USD ($) yr	Dec. 31, 2023 USD ($) yr
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Level 3 Investments	$ 1,710,169	$ 1,268,428
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	$ 1,206,947	$ 858,870
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	0.096	0.116
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	0.563	0.346
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	0.163	0.173
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	$ 369,600	$ 253,250
Debt investments | Transaction Precedent | Transaction Price
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Level 3 Investments		4,680
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	$ 12,699	$ 97,573
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	0.01	0.05
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	1	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	$ 7,704
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	$ 56,584	$ 15,150
Equity investments | Market Approach | Minimum | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.005	0.004
Equity investments | Market Approach | Minimum | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.401	0.442
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	4.2	3
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	1	1
Equity investments | Market Approach | Maximum | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.349	0.15
Equity investments | Market Approach | Maximum | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	1.188	1.313
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	4.3	4.8
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
Equity investments | Market Approach | Weighted Average | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.034	0.037
Equity investments | Market Approach | Weighted Average | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.554	0.625
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	4.3	4
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	2.8	1.7
Warrants | Market Approach | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Level 3 Investments	$ 51,454	$ 31,201
Warrants | Market Approach | Minimum | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.002	0.004
Warrants | Market Approach | Minimum | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.354	0.333
Warrants | Market Approach | Minimum | Risk-Free Interest Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.042	0.029
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	0.7	1
Warrants | Market Approach | Maximum | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.349	0.15
Warrants | Market Approach | Maximum | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	1.279	1.313
Warrants | Market Approach | Maximum | Risk-Free Interest Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.044	0.048
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	5	4.8
Warrants | Market Approach | Weighted Average | Revenue Multiple
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.041	0.027
Warrants | Market Approach | Weighted Average | Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Range	0.61	0.688
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	0.043	0.043
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	2.4	2.2

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