Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 346,540	$ 376,913	$ 261,988
Other comprehensive income (loss)
Net unrealized holding gains (losses) arising during period on investment securities available-for-sale, net of tax expense (benefit) of ($16,507), ($4,762) and $4,084	(62,097)	(17,915)	15,363
Net unrealized gains (losses) on cash flow hedge during the period, net of tax expense (benefit) of $—, $— and $39	0	0	147
Total other comprehensive income (loss)	(62,097)	(17,915)	15,510
Comprehensive income	$ 284,443	$ 358,998	$ 277,498