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Investments - Summary Of Net Gains And Losses On Equity Securities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Net gains (losses) recognized during the period on equity securities $ 5,075 $ 3,024 $ 0
Unrealized net gains (losses) recognized during the period on equity securities still held at the reporting date $ 5,075 $ 3,024 $ 0