Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 21,991	$ 20,695
Unrealized gain (loss) on securities:
Unrealized holding gain (loss) arising during period	13,607	(52,163)
Income tax benefit (expense) related to items of other comprehensive income	(3,681)	15,787
Other comprehensive income (loss), net of tax	9,926	(36,376)
Comprehensive income (loss)	$ 31,917	$ (15,681)