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FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) $ in Thousands | Mar. 31, 2025 USD ($) decimal | Dec. 31, 2024 USD ($) decimal
--- | --- | ---
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Total Level 3 investments | $ | $ 1,260,853 | [1] | $ 1,177,507 | [2]
Significant Unobservable Inputs (Level 3) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Total Level 3 investments | $ | $ 1,260,853 |  | $ 1,177,507 |
Significant Unobservable Inputs (Level 3) | Minimum | EBITDA multiple, outlier |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 2.0 |  | 2.0 |
Significant Unobservable Inputs (Level 3) | Minimum | Risk adjusted discount factor, outlier |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.072 |  | 0.068 |
Significant Unobservable Inputs (Level 3) | Maximum | EBITDA multiple, outlier |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 13.5 |  | 17.0 |
Significant Unobservable Inputs (Level 3) | Maximum | Risk adjusted discount factor, outlier |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.362 |  | 0.383 |
Significant Unobservable Inputs (Level 3) | Equity investments | Discounted cash flow |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Total Level 3 investments | $ | $ 291,419 |  | $ 281,831 |
Significant Unobservable Inputs (Level 3) | Equity investments | Discounted cash flow | Minimum | WACC |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.113 |  | 0.115 |
Significant Unobservable Inputs (Level 3) | Equity investments | Discounted cash flow | Maximum | WACC |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.223 |  | 0.225 |
Significant Unobservable Inputs (Level 3) | Equity investments | Discounted cash flow | Weighted Average | WACC |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.147 |  | 0.148 |
Significant Unobservable Inputs (Level 3) | Equity investments | Discounted cash flow | Median | WACC |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.150 |  | 0.151 |
Significant Unobservable Inputs (Level 3) | Equity investments | Market comparable / Enterprise value | Minimum | EBITDA multiple |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 5.0 |  | 4.9 |
Significant Unobservable Inputs (Level 3) | Equity investments | Market comparable / Enterprise value | Maximum | EBITDA multiple |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 8.5 |  | 9.0 |
Significant Unobservable Inputs (Level 3) | Equity investments | Market comparable / Enterprise value | Weighted Average | EBITDA multiple |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 6.6 |  | 6.6 |
Significant Unobservable Inputs (Level 3) | Equity investments | Market comparable / Enterprise value | Median | EBITDA multiple |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 6.5 |  | 6.5 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Total Level 3 investments | $ | $ 964,554 |  | $ 862,813 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Minimum | Risk adjusted discount factor |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.089 |  | 0.085 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Minimum | Expected principal recovery percentage |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.003 |  | 0.003 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Maximum | Risk adjusted discount factor |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.158 |  | 0.180 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Maximum | Expected principal recovery percentage |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 5.000 |  | 1.000 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Weighted Average | Risk adjusted discount factor |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.127 |  | 0.132 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Weighted Average | Expected principal recovery percentage |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.999 |  | 0.997 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Median | Risk adjusted discount factor |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 0.123 |  | 0.121 |
Significant Unobservable Inputs (Level 3) | Debt investments | Discounted cash flow | Median | Expected principal recovery percentage |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 1.000 |  | 1.000 |
Significant Unobservable Inputs (Level 3) | Debt investments | Market approach |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Total Level 3 investments | $ | $ 4,880 |  | $ 32,863 |
Significant Unobservable Inputs (Level 3) | Debt investments | Market approach | Minimum | Third-party quote |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 14.5 |  | 21.0 |
Significant Unobservable Inputs (Level 3) | Debt investments | Market approach | Maximum | Third-party quote |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 75.0 |  | 99.4 |
Significant Unobservable Inputs (Level 3) | Debt investments | Market approach | Weighted Average | Third-party quote |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 50.1 |  | 82.9 |
Significant Unobservable Inputs (Level 3) | Debt investments | Market approach | Median | Third-party quote |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |
Measurement input | 40.0 |  | 84.5 |
[1] | Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.
[2] | Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par.

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