Quarterly report pursuant to Section 13 or 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
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 100.00% 100.00%
Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 100.00% 100.00%
Northeast | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 22.80% 21.90%
Northeast | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 22.50% 21.60%
Midwest | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 19.70% 17.60%
Midwest | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 20.30% 18.30%
Southeast | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 19.70% 17.80%
Southeast | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 16.80% 15.00%
Southwest | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 18.40% 23.80%
Southwest | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 21.80% 26.80%
West | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 17.60% 17.00%
West | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 16.90% 16.40%
Canada | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 0.80% 0.80%
Canada | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 0.70% 0.80%
Other Non-United States | Investment Owned, At Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 1.00% 1.10%
Other Non-United States | Investment Owned, At Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Concentration risk, percentage (as a percent) 1.00% 1.10%