Accumulated Other Comprehensive Loss (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Balance	$ 183,694	$ 179,295	$ 165,481	$ 161,873	$ 179,295	$ 161,873
Balance	191,147	183,694	164,177	165,481	191,147	164,177
Investment securities- with OTTI
Balance	(2,623)	(2,592)	(2,364)	(2,482)	(2,592)	(2,482)
Other comprehensive income/(loss) before reclassifications	365	6	(620)	155	371	(465)
Amounts reclassified from accumulated other comprehensive loss	(37)	(37)	(40)	(37)
Balance	(2,295)	(2,623)	(3,024)	(2,364)	(2,295)	(3,024)
Investment securities- all other
Other comprehensive income/(loss) before reclassifications	356		(528)			(987)
Investment securities- all other - excluding transfers [Member]
Balance	(12,435)	(13,792)	(13,676)	(13,217)	(13,792)	(13,217)
Other comprehensive income/(loss) before reclassifications	356	1,357	(528)	(459)
Balance	(12,079)	(12,435)	(14,204)	(13,676)	(12,079)	(14,204)
Investment Securities HTM [Member]
Balance	(4,583)	(4,696)	(5,083)	(5,201)	(4,696)	(5,201)
Amounts reclassified from accumulated other comprehensive loss	120	113	118	118
Balance	(4,463)	(4,583)	(4,965)	(5,083)	(4,463)	(4,965)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	287	372	623	569	372	569
Other comprehensive income/(loss) before reclassifications	(64)	(85)	(51)	54
Balance	223	287	572	623	223	572
Net Pension Plan \| Pension
Balance	(11,188)	(9,723)	(13,018)	(14,263)	(9,723)	(14,263)
Other comprehensive income/(loss) before reclassifications	1,545	(1,562)	(396)	1,096	(17)	700
Amounts reclassified from accumulated other comprehensive loss	97	97	150	149
Balance	(9,546)	(11,188)	(13,264)	(13,018)	(9,546)	(13,264)
Net Pension Plan \| SERP
Balance	183	183	(1,204)	(1,233)	183	(1,233)
Amounts reclassified from accumulated other comprehensive loss			29	29
Balance	183	183	(1,175)	(1,204)	183	(1,175)
Accumulated Other Comprehensive Loss
Balance	(30,359)	(30,248)	(34,722)	(35,827)	(30,248)	(35,827)
Other comprehensive income/(loss) before reclassifications	2,202	(284)	(1,595)	846
Amounts reclassified from accumulated other comprehensive loss	180	173	257	259
Balance	$ (27,977)	$ (30,359)	$ (36,060)	$ (34,722)	$ (27,977)	$ (36,060)