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Fair Value of Financial Instruments - Summary of Changes In Fair Value of Company's Level 3 Debt (Parenthetical) (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Abstract]    
Transfers into Level 3 $ 0  
Transfers into/(out of) of Level 3 0  
Affiliate investments (cost of $28,718 and $41,609, respectively) $ 7,688,000 $ 1,528,000