Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Percentage of Portfolio Investments by Type of Investment (Details)
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
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    
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) 1.20% 1.60%
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) 84.60% 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) 15.20% 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) 1.30% 2.00%
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) 76.20% 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) 23.20% 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) 0.60% 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%