Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net unrealized gains (losses), before tax	$ 1,501	$ 93
Income tax (credit)/expense related to other comprehensive income	(396)	(24)
Other comprehensive income/(loss), net of tax	1,105	69
Accumulated Other Comprehensive Loss [Member]
Unrealized net gains (losses), net of tax	846	(210)
Recognized gains (losses), net of tax	(259)	(279)
Other comprehensive income/(loss), net of tax	1,105	69
Investment securities- with OTTI [Member]
Unrealized holding (losses)/gains on investments	210	(1,606)
Recognized gains (losses), before tax	50	50
Net unrealized gains (losses), before tax	160	(1,656)
Unrealized tax (expense) benefit	(55)	426
Income tax (credit)/expense related to other comprehensive income	(42)	439
Unrealized net gains (losses), net of tax	155	(1,180)
Recognized gains (losses), net of tax	37	37
Other comprehensive income/(loss), net of tax	118	(1,217)
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	(623)	1,340
Net unrealized gains (losses), before tax	(623)	1,340
Unrealized tax (expense) benefit		(355)
Income tax (credit)/expense related to other comprehensive income	164	(355)
Unrealized net gains (losses), net of tax		985
Other comprehensive income/(loss), net of tax	(459)	985
Investment Securities HTM [Member]
Recognized gains (losses), before tax	(160)	(181)
Net unrealized gains (losses), before tax	160	181
Income tax (credit)/expense related to other comprehensive income	(42)	(48)
Recognized gains (losses), net of tax	(118)	(133)
Other comprehensive income/(loss), net of tax	118	133
Investment Securities HTM [Member] | Amortization of Recognized Income [Member]
Recognized gains (losses), before tax	(160)	(181)
Recognized tax (expense) benefit	42	48
Recognized gains (losses), net of tax	(118)	(133)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Net unrealized gains (losses), before tax	73	(188)
Income tax (credit)/expense related to other comprehensive income	(19)	50
Unrealized net gains (losses), net of tax	54	(138)
Other comprehensive income/(loss), net of tax	54	(138)
Adjustment [Member]
Unrealized holding (losses)/gains on investments	1,489	168
Recognized gains (losses), before tax	(203)	(250)
Net unrealized gains (losses), before tax	1,692	418
Adjustment [Member] | Pension [Member]
Unrealized holding (losses)/gains on investments	1,489	168
Net unrealized gains (losses), before tax	1,692	418
Unrealized tax (expense) benefit	(393)	(45)
Income tax (credit)/expense related to other comprehensive income	(447)	(111)
Unrealized net gains (losses), net of tax	1,096	123
Recognized gains (losses), net of tax	(149)	(184)
Other comprehensive income/(loss), net of tax	1,245	307
Adjustment [Member] | SERP [Member]
Net unrealized gains (losses), before tax	39	(2)
Income tax (credit)/expense related to other comprehensive income	(10)	1
Recognized gains (losses), net of tax	(29)	1
Other comprehensive income/(loss), net of tax	29	(1)
Adjustment [Member] | Amortization of Unrecognized Loss [Member] | Pension [Member]
Recognized gains (losses), before tax	(203)	(250)
Recognized tax (expense) benefit	54	66
Recognized gains (losses), net of tax	(149)	(184)
Adjustment [Member] | Amortization of Unrecognized Loss [Member] | SERP [Member]
Recognized gains (losses), before tax	(39)
Recognized tax (expense) benefit	10
Recognized gains (losses), net of tax	$ (29)
Adjustment [Member] | Amortization of Unrecognized Gain [Member] | SERP [Member]
Recognized gains (losses), before tax		2
Recognized tax (expense) benefit		(1)
Recognized gains (losses), net of tax		$ 1