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 Comprehensive Income [Abstract]
Net Income	$ 12,163	$ 12,989	$ 36,712	$ 39,548
Other Comprehensive (Loss) Income, Net of Tax:
Net Unrealized Securities Holding Loss Arising During the Period	(20,801)	(1,279)	(52,808)	(3,969)
Net Unrealized Gain on Cash Flow Hedge Agreements	778	183	2,781	954
Reclassification of Net Unrealized Gain on Cash Flow Hedge Agreements to Interest Expense	55	(25)	42	(68)
Amortization of Net Retirement Plan Actuarial Loss	420	17	441	51
Amortization of Net Retirement Plan Prior Service Cost	42	43	127	129
Other Comprehensive Loss	(19,506)	(1,061)	(49,417)	(2,903)
Comprehensive (Loss) Income	$ (7,343)	$ 11,928	$ (12,705)	$ 36,645