Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 30,075	$ 48,799	$ 49,857
Other Comprehensive (Loss) Income, Net of Tax:
Unrealized Net Securities Holding Gains Arising During the Year	10,441	(48,227)	(6,413)
Reclassification Adjustment for Net Securities Losses Realized During the Year	6,752	0	0
Net Unrealized (Loss) Gain on Cash Flow Hedge Agreements	(2,900)	2,582	929
Reclassification of Net Unrealized Loss (Gain) on Cash Flow Hedge Agreements	557	152	(94)
Net Retirement Plan Gain (Loss)	1,747	(5,147)	6,500
Net Retirement Plan Prior Service Cost	(391)	0	0
Settlement Cost	0	428	0
Amortization of Net Retirement Plan Actuarial Loss	(119)	41	68
Amortization of Net Retirement Plan Prior Service Cost	152	169	173
Other Comprehensive Income (Loss)	16,239	(50,002)	1,163
Comprehensive Income (Loss)	$ 46,314	$ (1,203)	$ 51,020