v3.25.2
Summary of Estimated Fair Values of Bonds Held on Deposit (Parenthetical) (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]    
Cash and cash equivalents $ 67,344 $ 17,009
Remainder Related to Bonds Available for Sale    
Debt Securities, Available-for-Sale [Line Items]    
Cash and cash equivalents $ 5,500 $ 5,200