Accumulated Other Comprehensive Loss (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	$ 1,647			$ 1,792			$ 5,088	$ 5,339
Provision for income tax expense	(1,932)			(1,321)			(4,701)	(4,099)
Net income	5,771	$ 4,914	$ 3,698	4,513	$ 4,414	$ 4,375	14,383	13,302
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income	(273)			(285)			(789)	(846)
OTTI | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	(13)			(13)			(37)	(37)
Net income	38			38			115	115
OTTI | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accretable Yield in Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	51			51			152	152
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	48			37			133	121
Net income	(134)			(130)			(370)	(392)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities							(503)	(513)
Investment Securities HTM [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Recognized Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest income on taxable investment securities	(182)			(167)
Net Pension Plan | Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	54			57			161	177
Net income	(148)			(194)			(447)	(573)
Net Pension Plan | Reclassification out of Accumulated Other Comprehensive Income [Member] | SERP
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income tax expense	10			(1)			31	(2)
Net income	(29)			1			(87)	4
Net Pension Plan | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member] | Pension
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	(202)			(251)			(608)	(750)
Net Pension Plan | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member] | SERP
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense	$ (39)			$ 2
Interest income on taxable investment securities							$ (118)	$ 6