v3.26.1
Investments (Investment Income (Loss) Summarized) - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Net Investment Income [Line Items]    
Proceeds from sales of real estate investments $ 760 $ 2,013
Gain on sale of investment real estate $ 354 $ 440