Other Non-Interest Income and Expense (Other Non-Interest Income and Expense) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Abstract]
Other	$ 54,941	$ 45,217	$ 48,528
Total other non-interest income	54,941	45,217	48,528
Professional services	53,932	40,908	34,747
Advertising, promotions and public relations	48,608	39,994	34,539
Other	126,827	113,799	102,868
Total other non-interest expense	$ 229,367	$ 194,701	$ 172,154