Accumulated Other Comprehensive Loss (Schedule of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Balance	$ 161,873	$ 151,793
Balance	165,481	152,868
Investment securities- with OTTI [Member]
Balance	(2,482)	(1,711)
Other comprehensive income/(loss) before reclassifications	155	(1,180)
Amounts reclassified from accumulated other comprehensive loss	(37)	(37)
Balance	(2,364)	(2,928)
Investment securities- all other [Member]
Other comprehensive income/(loss) before reclassifications		985
Investment securities- all other - excluding transfers [Member]
Balance	(13,217)	(16,380)
Other comprehensive income/(loss) before reclassifications	(459)	985
Balance	(13,676)	(15,395)
Investment Securities HTM [Member]
Balance	(5,201)	(5,703)
Amounts reclassified from accumulated other comprehensive loss	118	133
Balance	(5,083)	(5,570)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	569	797
Other comprehensive income/(loss) before reclassifications	54	(138)
Balance	623	659
Adjustment [Member] | Pension [Member]
Balance	(14,263)	(16,603)
Other comprehensive income/(loss) before reclassifications	1,096	123
Amounts reclassified from accumulated other comprehensive loss	149	184
Balance	(13,018)	(16,296)
Adjustment [Member] | SERP [Member]
Balance	(1,233)	574
Amounts reclassified from accumulated other comprehensive loss	29	(1)
Balance	(1,204)	573
Accumulated Other Comprehensive Loss [Member]
Balance	(35,827)	(39,026)
Other comprehensive income/(loss) before reclassifications	846	(210)
Amounts reclassified from accumulated other comprehensive loss	259	279
Balance	$ (34,722)	$ (38,957)