Accumulated Other Comprehensive Loss (Schedule of accumulated other comprehensive loss activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 125,969	$ 116,499
Balance	$ 108,132	$ 125,969
Income tax rate	21.00%	21.00%
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (6,635)	$ (3,791)
Other comprehensive gain (loss) before reclassifications	(25,899)	(3,130)
Amounts reclassified from accumulated other comprehensive loss	345	286
Period change	(25,554)	(2,844)
Balance	(32,189)	(6,635)
Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(3,901)	(4,784)
Other comprehensive gain (loss) before reclassifications	(307)	600
Amounts reclassified from accumulated other comprehensive loss	211	283
Period change	(96)	883
Balance	(3,997)	(3,901)
Unrealized (losses) gains on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(2,734)	993
Other comprehensive gain (loss) before reclassifications	(25,592)	(3,730)
Amounts reclassified from accumulated other comprehensive loss	134	3
Period change	(25,458)	(3,727)
Balance	$ (28,192)	$ (2,734)