v3.26.1
Investments (Limited Partnership Investments) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Schedule Of Investments [Line Items]      
Net income loss from limited partnership interests $ (324) $ (626)  
Limited Partnership [Member]      
Schedule Of Investments [Line Items]      
Company's net cumulative contributed capital to the partnership 18,502   $ 18,697
Maximum exposure loss relating to VIE $ 17,171   $ 17,690