Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Computed at the statutory rate	$ 64,378	$ 69,807	$ 67,143
State income taxes, net of federal tax benefit	3,249	4,452	6,402
Discrete items related to share-based compensation	(74)	(17)	375
Tax exempt interest income	(14,484)	(11,510)	(6,726)
Tax exempt earnings on bank owned life insurance	(1,918)	(1,212)	(1,214)
Federal tax credits	(1,708)	(2,260)	(2,177)
Other differences, net	705	2,046	1,087
Provision for income taxes	$ 50,148	$ 61,306	$ 64,890