v3.25.1
Investments (Investment Income (Loss) Summarized) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Net Investment Income [Line Items]      
Gain on sale of investment real estate $ 370 $ 0  
Real estate investments 80,151   $ 79,120
Real Estate Investments [Member]      
Net Investment Income [Line Items]      
Gain on sale of investment real estate $ 370