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	$ 61,439	$ 69,014	$ 59,486
Other comprehensive (loss) income:
Net change in unrealized (loss) on debt securities, net of tax	(130,366)	(30,483)	26,060
Net change in unrealized gain on cash flow hedging derivatives, net of tax	7,670	2,847	1,422
Net change in other comprehensive income for supplemental executive retirement plan and other postretirement benefit plan, net of tax	2,970	667	(474)
Other comprehensive (loss) income	(119,726)	(26,969)	27,008
Comprehensive (Loss) Income	$ (58,287)	$ 42,045	$ 86,494