Deposits (Scheduled Maturities of Time Deposits Not Covered By Deposit Insurance) (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deposits [Abstract]
Due within 3 months or less	$ 2,500,536
Due after 3 months and within 6 months	91,140
Due after 6 months and within 12 months	107,808
Due after 12 months	44,628
Time deposits liability, above US Insurance Limit Total	$ 2,744,112	$ 2,339,716