v3.26.1
Fair Value - Summary of Quantitative Information About The Company's Level 3 Asset Fair Value Measurements (Detail)
$ / shares in Units, $ in Thousands
Mar. 31, 2026
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
Mar. 31, 2025
$ / shares
Dec. 31, 2024
$ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
NAV Per Share | $ / shares [1] $ 9.17 $ 9.42 $ 9.9 $ 10.11
Fair Value, Inputs, Level 3 [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
NAV Per Share | $ / shares $ 2.18 $ 2.18    
Bank Debt/Senior Secured Loans | Fair Value, Inputs, Level 3 [Member] | Valuation, Income Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Investments, Fair Value Disclosure $ 153,748 $ 162,467    
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Valuation, Income Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Investments, Fair Value Disclosure 14,895 11,175    
Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Transaction Price [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Investments, Fair Value Disclosure 224 224    
Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Measurement Ebitda Multiple | Measurement Input Comparable Multiple [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Investments, Fair Value Disclosure 10,562 10,562    
Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input, Price Volatility [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Investments, Fair Value Disclosure $ 14 $ 14    
Minimum [Member] | Bank Debt/Senior Secured Loans | Fair Value, Inputs, Level 3 [Member] | Valuation, Income Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 8.8 8.7    
Minimum [Member] | Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 9 9    
Minimum [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Measurement Ebitda Multiple | Measurement Input Comparable Multiple [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 5.5 5.5    
Minimum [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input, Price Volatility [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 25.5 21.4    
Maximum [Member] | Bank Debt/Senior Secured Loans | Fair Value, Inputs, Level 3 [Member] | Valuation, Income Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 29.9 26.9    
Maximum [Member] | Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 9 9    
Maximum [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Measurement Ebitda Multiple | Measurement Input Comparable Multiple [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 6.5 6.5    
Maximum [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input, Price Volatility [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input 25.5 21.4    
Weighted Average [Member] | Bank Debt/Senior Secured Loans | Fair Value, Inputs, Level 3 [Member] | Valuation, Income Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input (12.8) (12.2)    
Weighted Average [Member] | Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input Market Yield [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input (9) (9)    
Weighted Average [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Measurement Ebitda Multiple | Measurement Input Comparable Multiple [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input (6) (6)    
Weighted Average [Member] | Common Equity/Equity Interests/Warrants | Fair Value, Inputs, Level 3 [Member] | Valuation, Market Approach [Member] | Measurement Input, Price Volatility [Member]        
Fair Value Measurement Inputs and Valuation Techniques [Line Items]        
Alternative Investment, Measurement Input (25.5) (21.4)    
[1] Calculated using the average units outstanding method. Weighted average Units outstanding for the three months ended March 31, 2026 and March 31, 2025 were 14,415,168 and 18,532,519, respectively.