Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net unrealized gains (losses), before tax	$ (143)	$ 1,501
Income tax (credit)/expense related to other comprehensive income	32	(396)
Other comprehensive (loss)/income, net of tax	(111)	1,105
Accumulated Other Comprehensive Loss
Unrealized net gains (losses), net of tax	(284)	846
Recognized gains (losses), net of tax	(173)	(259)
Other comprehensive (loss)/income, net of tax	(111)	1,105
Investment securities- with OTTI [Member]
Unrealized holding (losses)/gains on investments	8	210
Recognized gains (losses), before tax	50	50
Net unrealized gains (losses), before tax	(42)	160
Unrealized tax (expense) benefit	(2)	(55)
Income tax (credit)/expense related to other comprehensive income	11	(42)
Unrealized net gains (losses), net of tax	6	155
Recognized gains (losses), net of tax	37	37
Other comprehensive (loss)/income, net of tax	(31)	118
Investment securities- with OTTI [Member] | Accretable Yield in Income [Member]
Recognized gains (losses), before tax	50
Recognized tax (expense) benefit	(13)
Recognized gains (losses), net of tax	37
Investment securities- with OTTI [Member] | Amortization of Recognized Income [Member]
Recognized gains (losses), before tax		50
Recognized tax (expense) benefit		(13)
Recognized gains (losses), net of tax		37
Investment securities- all other [Member]
Unrealized holding (losses)/gains on investments	1,849	(623)
Net unrealized gains (losses), before tax	1,849	(623)
Unrealized tax (expense) benefit		164
Income tax (credit)/expense related to other comprehensive income	(492)
Unrealized net gains (losses), net of tax		(459)
Other comprehensive (loss)/income, net of tax	1,357
Investment Securities HTM [Member]
Recognized gains (losses), before tax	(154)	(160)
Net unrealized gains (losses), before tax	154	160
Income tax (credit)/expense related to other comprehensive income	(41)	(42)
Recognized gains (losses), net of tax	(113)	(118)
Other comprehensive (loss)/income, net of tax	113	118
Investment Securities HTM [Member] | Amortization of Recognized Income [Member]
Recognized gains (losses), before tax	(154)	(160)
Recognized tax (expense) benefit	41	42
Recognized gains (losses), net of tax	(113)	(118)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Net unrealized gains (losses), before tax	(108)	73
Income tax (credit)/expense related to other comprehensive income	23	(19)
Unrealized net gains (losses), net of tax	(85)	54
Other comprehensive (loss)/income, net of tax	(85)	54
Net Pension Plan
Unrealized holding (losses)/gains on investments	(2,128)	1,489
Recognized gains (losses), before tax	(132)	(203)
Net unrealized gains (losses), before tax	(1,996)	1,692
Net Pension Plan | Pension
Unrealized holding (losses)/gains on investments	(2,128)	1,489
Net unrealized gains (losses), before tax	(1,996)	1,692
Unrealized tax (expense) benefit	566	(393)
Income tax (credit)/expense related to other comprehensive income	531	(447)
Unrealized net gains (losses), net of tax	(1,562)	1,096
Recognized gains (losses), net of tax	(97)	(149)
Other comprehensive (loss)/income, net of tax	(1,465)	1,245
Net Pension Plan | SERP
Net unrealized gains (losses), before tax		39
Income tax (credit)/expense related to other comprehensive income		(10)
Recognized gains (losses), net of tax		(29)
Other comprehensive (loss)/income, net of tax		29
Net Pension Plan | Amortization of Unrecognized Loss [Member] | Pension
Recognized gains (losses), before tax	(132)	(203)
Recognized tax (expense) benefit	35	54
Recognized gains (losses), net of tax	$ (97)	(149)
Net Pension Plan | Amortization of Unrecognized Gain [Member] | SERP
Recognized gains (losses), before tax		(39)
Recognized tax (expense) benefit		10
Recognized gains (losses), net of tax		$ (29)