Quarterly report pursuant to Section 13 or 15(d)

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

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FAIR VALUE HIERARCHY FOR INVESTMENTS—PORTFOLIO COMPOSITION - Schedule of Percentage of Portfolio Investments by Geographical Regions (Details) - Geographic Concentration Risk
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
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) 26.70% 25.80%
Investment Owned, At Cost | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 21.40% 22.30%
Investment Owned, At Cost | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 19.50% 19.70%
Investment Owned, At Cost | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 16.80% 17.00%
Investment Owned, At Cost | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 13.70% 13.10%
Investment Owned, At Cost | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 0.40% 0.40%
Investment Owned, At Cost | Other Non-United States    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 1.50% 1.70%
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) 26.00% 25.40%
Investment Owned, At Fair Value | Northeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 20.50% 21.30%
Investment Owned, At Fair Value | Southwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 21.90% 22.00%
Investment Owned, At Fair Value | Midwest    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 18.00% 18.10%
Investment Owned, At Fair Value | Southeast    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 11.80% 11.30%
Investment Owned, At Fair Value | Canada    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 0.40% 0.30%
Investment Owned, At Fair Value | Other Non-United States    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk (as a percent) 1.40% 1.60%