Annual report [Section 13 and 15(d), not S-K Item 405]

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

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FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Percentage of Portfolio Investments by Geographical Regions (Details)
 12 Months Ended
Dec. 31, 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 | 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) 22.00% 18.70%
West | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 22.30% 18.40%
Midwest | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 20.90% 21.50%
Midwest | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 21.20% 22.70%
Southwest | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 19.40% 18.20%
Southwest | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 21.80% 20.40%
Southeast | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 18.50% 17.00%
Southeast | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 16.50% 13.80%
Northeast | Investment Owned, At Cost | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 15.10% 22.40%
Northeast | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 14.30% 22.60%
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% 1.20%
Canada | Investment Owned, At Fair Value | Geographic Concentration Risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 2.90% 1.10%
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) 1.00% 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) 1.00% 1.00%