Accumulated Other Comprehensive Loss (Schedule of accumulated other comprehensive loss activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 116,499	$ 109,882
Balance	$ 125,969	$ 116,499
Income tax rate	21.00%	21.00%
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (3,791)	$ (4,104)
Other comprehensive (loss) gain before reclassifications	(3,130)	65
Amounts reclassified from accumulated other comprehensive loss	286	248
Period change	(2,844)	313
Balance	(6,635)	(3,791)
Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(4,784)	(3,909)
Other comprehensive (loss) gain before reclassifications	600	(1,100)
Amounts reclassified from accumulated other comprehensive loss	283	225
Period change	883	(875)
Balance	(3,901)	(4,784)
Unrealized (losses) gains on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	993	(195)
Other comprehensive (loss) gain before reclassifications	(3,730)	1,165
Amounts reclassified from accumulated other comprehensive loss	3	23
Period change	(3,727)	1,188
Balance	$ (2,734)	$ 993