Quarterly report [Sections 13 or 15(d)]

FAIR VALUE HIERARCHY FOR INVESTMENTS???PORTFOLIO COMPOSITION - Percentage of Portfolio Investments by Type of Investment (Details)

v3.25.1
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%