v3.26.1
Fair Value - Summary of Company's Level 3 (Detail) - Fair Value, Recurring [Member]
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 94,091 $ 85,761
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 94,090 85,760
Bank Debt/Senior Secured Loans [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure 91,100 82,835
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 91,100 $ 82,835
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset or Liability Asset Asset
Investments, Fair Value Disclosure $ 91,100 $ 82,835
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 8.6 8.6
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 26.7 23.3
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 10.9 10.4
Preferred Equity [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 2,930 $ 2,866
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, Fair Value Disclosure $ 2,930 $ 2,866
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset or Liability Asset Asset
Investments, Fair Value Disclosure $ 2,930 $ 2,866
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 9 9
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 9 9
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Market Yield [Member] | Valuation, Income Approach [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Securities, Trading, Measurement Input 9 9
Common Equity [Member] | Fair Value, Inputs, Level 3 [Member] | Valuation, Transaction Price [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset or Liability Asset Asset
Investments, Fair Value Disclosure $ 57 $ 57
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Price Volatility [Member] | Valuation, Market Approach [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Asset or Liability Asset Asset
Investments, Fair Value Disclosure $ 3 $ 2
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Price Volatility [Member] | Valuation, Market Approach [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Asset, Measurement Input 25.5 21.4
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Price Volatility [Member] | Valuation, Market Approach [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Asset, Measurement Input 25.5 21.4
Warrant [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Price Volatility [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative Asset, Measurement Input 25.5 21.4