Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 6,047	$ 11,974	$ 14,609	$ 24,549
Other Comprehensive Income (Loss), Net of Tax:
Net Unrealized Securities Holding (Loss) Gain Arising During the Period	(3,849)	(9,711)	2,250	(32,007)
Net Unrealized Gain (Loss) on Cash Flow Hedge Agreements	59	878	(534)	2,003
Reclassification of Net Unrealized Loss on Cash Flow Hedge Agreements to Interest Expense	163	8	310	(13)
Amortization of Net Retirement Plan Actuarial (Gain) Loss	(42)	(21)	(60)	21
Amortization of Net Retirement Plan Prior Service Cost	39	79	76	85
Other Comprehensive (Loss) Income	(3,630)	(8,767)	2,042	(29,911)
Comprehensive Income (Loss)	$ 2,417	$ 3,207	$ 16,651	$ (5,362)