Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Net unrealized gains (losses), before tax	$ 7,570	$ 4,345
Income tax (credit)/expense related to other comprehensive income	(1,991)	(1,146)
Other comprehensive income/(loss), net of tax	5,579	3,199
Accumulated Other Comprehensive Loss
Unrealized net gains (losses), net of tax	4,512	(986)
Recognized gains (losses), net of tax	(1,067)	(4,185)
Other comprehensive income/(loss), net of tax	5,579	3,199
Investment securities- with OTTI [Member]
Unrealized holding (losses)/gains on investments	52	(845)
Recognized gains (losses), before tax	202	202
Net unrealized gains (losses), before tax	(150)	(1,047)
Unrealized tax (expense) benefit	(14)	223
Income tax (credit)/expense related to other comprehensive income	40	276
Unrealized net gains (losses), net of tax	38	(622)
Recognized gains (losses), net of tax	148	149
Other comprehensive income/(loss), net of tax	(110)	(771)
Investment securities- with OTTI [Member] | Accretable Yield in Income [Member]
Recognized gains (losses), before tax	202	202
Recognized tax (expense) benefit	(54)	(53)
Recognized gains (losses), net of tax	148	149
Investment securities- all other [Member]
Unrealized holding (losses)/gains on investments	(783)	83
Recognized gains (losses), before tax		(4,214)
Net unrealized gains (losses), before tax	(783)	4,297
Unrealized tax (expense) benefit	208	(22)
Income tax (credit)/expense related to other comprehensive income	208	(1,134)
Unrealized net gains (losses), net of tax	(575)	61
Other comprehensive income/(loss), net of tax	(575)	3,163
Investment securities- all other [Member] | Recognition of Gains (Losses) In Income [Member]
Recognized gains (losses), before tax		(4,214)
Recognized tax (expense) benefit		1,112
Recognized gains (losses), net of tax		(3,102)
Investment Securities HTM [Member]
Recognized gains (losses), before tax	(688)	(682)
Net unrealized gains (losses), before tax	688	682
Income tax (credit)/expense related to other comprehensive income	(183)	(180)
Recognized gains (losses), net of tax	(505)	(502)
Other comprehensive income/(loss), net of tax	505	502
Investment Securities HTM [Member] | Amortization of Recognized Income [Member]
Recognized gains (losses), before tax	(688)	(682)
Recognized tax (expense) benefit	183	180
Recognized gains (losses), net of tax	(505)	(502)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Unrealized holding (losses)/gains on investments	(301)	(310)
Net unrealized gains (losses), before tax	(301)	(310)
Unrealized tax (expense) benefit	104	82
Income tax (credit)/expense related to other comprehensive income	104	82
Unrealized net gains (losses), net of tax	(197)	(228)
Other comprehensive income/(loss), net of tax	(197)	(228)
Net Pension Plan
Unrealized holding (losses)/gains on investments	5,375	2,180
Recognized gains (losses), before tax	(811)	(998)
Net unrealized gains (losses), before tax	6,186	3,178
Net Pension Plan | Pension
Unrealized holding (losses)/gains on investments	5,375	2,180
Net unrealized gains (losses), before tax	6,186	3,178
Unrealized tax (expense) benefit	(1,430)	(575)
Income tax (credit)/expense related to other comprehensive income	(1,646)	(838)
Unrealized net gains (losses), net of tax	3,945	1,605
Recognized gains (losses), net of tax	(595)	(735)
Other comprehensive income/(loss), net of tax	4,540	2,340
Net Pension Plan | SERP
Unrealized holding (losses)/gains on investments	1,773	(2,448)
Recognized gains (losses), before tax		(2,455)
Net unrealized gains (losses), before tax	1,930
Unrealized tax (expense) benefit	(472)	646
Recognized tax (expense) benefit		648
Income tax (credit)/expense related to other comprehensive income	(514)
Unrealized net gains (losses), net of tax	1,301	(1,802)
Recognized gains (losses), net of tax	(115)	5
Other comprehensive income/(loss), net of tax	1,416	(1,807)
Net Pension Plan | Amortization of Unrecognized Loss [Member] | Pension
Recognized gains (losses), before tax	(811)	(998)
Recognized tax (expense) benefit	216	263
Recognized gains (losses), net of tax	(595)	(735)
Net Pension Plan | Amortization of Unrecognized Loss [Member] | SERP
Recognized gains (losses), before tax	(157)	7
Recognized tax (expense) benefit	42	(2)
Recognized gains (losses), net of tax	$ (115)	$ 5