v3.26.1
Fair Value - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure $ 94,091 $ 85,761
Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 1 1
Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 3 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 94,090 85,760
Bank Debt/Senior Secured Loans [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 91,100 82,835
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Bank Debt/Senior Secured Loans [Member] | Fair Value, Inputs, Level 3 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 91,100 82,835
Preferred Equity [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 2,930 2,866
Preferred Equity [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Preferred Equity [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Preferred Equity [Member] | Fair Value, Inputs, Level 3 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 2,930 2,866
Common Equity/Warrants [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 61 60
Common Equity/Warrants [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 1 1
Common Equity/Warrants [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure 0 0
Common Equity/Warrants [Member] | Fair Value, Inputs, Level 3 [Member]    
Assets, Fair Value Disclosure [Abstract]    
Investments, Fair Value Disclosure $ 60 $ 59