Annual report pursuant to Section 13 and 15(d)

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) - Geographic Concentration Risk
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 100.00% 100.00%
Investment Owned, At Cost | West    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 28.50% 28.30%
Investment Owned, At Cost | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 20.10% 21.60%
Investment Owned, At Cost | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 19.00% 22.60%
Investment Owned, At Cost | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 16.30% 15.10%
Investment Owned, At Cost | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 14.00% 11.60%
Investment Owned, At Cost | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 0.60% 0.80%
Investment Owned, At Cost | Other Non-United States    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 1.50% 0.00%
Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 100.00% 100.00%
Investment Owned, At Fair Value | West    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 28.70% 28.50%
Investment Owned, At Fair Value | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 21.40% 23.00%
Investment Owned, At Fair Value | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 18.80% 21.90%
Investment Owned, At Fair Value | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 16.60% 15.80%
Investment Owned, At Fair Value | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 12.40% 10.00%
Investment Owned, At Fair Value | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 0.60% 0.80%
Investment Owned, At Fair Value | Other Non-United States    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage 1.50% 0.00%