v3.25.1
Investments (Limited Partnership Investments) - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Schedule Of Investments [Line Items]      
Gains Losses On Limited Partnerships Interest $ (626) $ 195  
Limited Partnership [Member]      
Schedule Of Investments [Line Items]      
Gains Losses On Limited Partnerships Interest (626) 195  
Limited partnership investment, estimated unfavorable change in net asset value 175    
Estimated favorable change in net asset value   100  
Cash distributions 95 $ 162  
Company's net cumulative contributed capital to the partnership 23,346   $ 20,987
Maximum exposure loss relating to VIE $ 20,176   $ 20,802