Unaudited Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 6,867	$ 6,833	$ 22,129	$ 19,648
Investment securities available-for-sale:
Net unrealized (losses) gains	(25,445)	1,752	(106,365)	(4,389)
Income tax effect	6,390	(440)	26,709	1,103
Reclassification adjustments for net losses (gains) realized in net income	796		2,062	(7)
Income tax effect	(199)		(518)	2
Other comprehensive (loss) income, net of tax	(18,458)	1,312	(78,112)	(3,291)
Comprehensive (loss) income	$ (11,591)	$ 8,145	$ (55,983)	$ 16,357