v3.26.3
FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Schedule of Percentage of Portfolio Investments by Geographical Regions (Details) - Geographic Concentration Risk
 9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 100.00% 100.00%
Investment Owned, At Cost | West    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 25.80% 25.30%
Investment Owned, At Cost | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 21.90% 19.20%
Investment Owned, At Cost | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 18.70% 17.50%
Investment Owned, At Cost | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 16.80% 19.00%
Investment Owned, At Cost | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 13.60% 15.40%
Investment Owned, At Cost | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 2.10% 2.20%
Investment Owned, At Cost | Other Non-U.S.    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 1.10% 1.40%
Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 100.00% 100.00%
Investment Owned, At Fair Value | West    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 25.20% 24.80%
Investment Owned, At Fair Value | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 22.70% 20.10%
Investment Owned, At Fair Value | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 17.10% 15.80%
Investment Owned, At Fair Value | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 20.30% 23.00%
Investment Owned, At Fair Value | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 11.90% 13.10%
Investment Owned, At Fair Value | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 1.80% 1.90%
Investment Owned, At Fair Value | Other Non-U.S.    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 1.00% 1.30%