Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Computed at the statutory rate	$ 42,127	$ 64,378	$ 69,807
State income taxes, net of federal tax benefit	(983)	3,249	4,452
Discrete items related to share-based compensation	596	(74)	(17)
Tax exempt interest income	(15,357)	(14,484)	(11,510)
Tax exempt earnings on bank owned life insurance	(2,607)	(1,918)	(1,212)
Federal tax credits	(218)	(1,708)	(2,260)
Other differences, net	1,988	705	2,046
Provision for income taxes	$ 25,546	$ 50,148	$ 61,306