Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 269,105	$ 346,540	$ 376,913
Other comprehensive income (loss)
Net unrealized holding gains (losses) arising during period on investment securities available-for-sale, net of tax expense (benefit) of $3,598, ($16,507) and ($4,762)	10,339	(62,097)	(17,915)
Reclassification adjustment for losses on investment securities included in earnings, net of tax of $80, $0 and $0	229	0	0
Total other comprehensive income (loss)	10,568	(62,097)	(17,915)
Comprehensive income	$ 279,673	$ 284,443	$ 358,998