v3.26.1
FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Percentage of Portfolio Investments by Geographical Regions (Details)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 100.00% 100.00%
Investment Owned, At Cost | Geographic 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 | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 100.00% 100.00%
West | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 21.90% 22.00%
West | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 22.90% 22.30%
Midwest | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 21.70% 20.90%
Midwest | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 22.10% 21.20%
Southeast | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 19.60% 18.50%
Southeast | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 17.70% 16.50%
Southwest | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 18.00% 19.40%
Southwest | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 19.80% 21.80%
Northeast | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 14.80% 15.10%
Northeast | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 13.60% 14.30%
Canada | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 3.10% 3.10%
Canada | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 3.00% 2.90%
Other Non-U.S. | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 0.90% 1.00%
Other Non-U.S. | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 0.90% 1.00%