Accumulated Other Comprehensive Loss (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	$ 1,587			$ 880			$ 4,533	$ 2,864
Provision for income tax expense	(2,677)			(1,412)			(6,286)	(4,047)
Net income	6,936	$ 5,428	$ 5,715	4,388	$ 4,403	$ 3,430	18,079	12,221
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(385)			(322)			(1,053)	(868)
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Pension [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	74			99
Net income	(205)			(273)
Reclassification out of Accumulated Other Comprehensive Loss [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	18			20
Net income	(50)			(55)
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Loss [Member] | Pension [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	(279)			(372)
Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Loss [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	(68)			(76)
Investment securities- with OTTI [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	(14)			(13)			(41)	(40)
Net income	37			37			111	111
Investment securities- with OTTI [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Accretable Yield in Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	51			50			152	151
Investment securities- all other [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense							(1)	(41)
Net income							2	113
Investment securities- all other [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Recognition of Gains (Losses) In Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gains/(losses)							3	154
Investment Securities HTM [Member] | Recognition of Gains (Losses) In Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gains/(losses)	93			(54)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	60			11			147	40
Net income	(167)			(31)			(404)	(110)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Recognition of Gains (Losses) In Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net gains/(losses)							93	(54)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	$ (320)			12			(644)	(96)
Adjustment [Member] | Amortization of Prior Service Costs [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits				$ 1
Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Pension [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense							224	299
Net income							(613)	(817)
Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense							54	60
Net income							(149)	(165)
Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Loss [Member] | Pension [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense							(837)	(1,116)
Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Loss [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense							$ (203)	(226)
Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Amortization of Prior Service Costs [Member] | SERP [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits								$ 1