v3.25.1
Summary of Estimated Fair Values of Bonds Held on Deposit (Parenthetical) (Detail) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Cash and cash equivalents $ 81,146 $ 17,009
Remainder Related to Bonds Available for Sale    
Debt Securities, Available-for-Sale [Line Items]    
Cash and cash equivalents $ 13,600 $ 5,200