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FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Percentage of Portfolio Investments by Type of Investment (Details) - company | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 100.00% | 100.00%
Middle Market portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Number of portfolio companies | 8 | 10
Investment Owned, At Cost | Investment Type Concentration Risk |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 100.00% | 100.00%
Investment Owned, At Cost | Investment Type Concentration Risk | Other Portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 1.40% | 1.60%
Investment Owned, At Cost | Investment Type Concentration Risk | Middle Market portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 3.40% | 5.80%
Investment Owned, At Cost | Investment Type Concentration Risk | First lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 85.40% | 85.20%
Investment Owned, At Cost | Investment Type Concentration Risk | Equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 14.40% | 14.50%
Investment Owned, At Cost | Investment Type Concentration Risk | Equity Warrant |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 0.20% | 0.30%
Investment Owned, At Cost | Investment Type Concentration Risk | Other Portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 0.00% | 0.00%
Investment Owned, At Fair Value | Investment Type Concentration Risk |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 100.00% | 100.00%
Investment Owned, At Fair Value | Investment Type Concentration Risk | Other Portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 1.80% | 2.00%
Investment Owned, At Fair Value | Investment Type Concentration Risk | Middle Market portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 2.40% | 3.30%
Investment Owned, At Fair Value | Investment Type Concentration Risk | First lien debt |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 78.30% | 77.60%
Investment Owned, At Fair Value | Investment Type Concentration Risk | Equity |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 21.30% | 22.00%
Investment Owned, At Fair Value | Investment Type Concentration Risk | Equity Warrant |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 0.40% | 0.40%
Investment Owned, At Fair Value | Investment Type Concentration Risk | Other Portfolio investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Concentration risk, percentage (as a percent) | 0.00% | 0.00%

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