v3.26.1
Investments (Investment Income (Loss) Summarized) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net Investment Income [Line Items]    
Proceeds from sales of real estate investments $ 760 $ 824
Gain on sale of investment real estate $ 354 $ 370