Accumulated Other Comprehensive Loss (Schedule of accumulated other comprehensive loss activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 59,277	$ 54,977
Balance	$ 109,882	$ 59,277
Income tax rate	21.00%	21.00%
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (7,012)	$ (6,955)
Other comprehensive gain (loss) before reclassifications	2,581	(371)
Amounts reclassified from accumulated other comprehensive loss	(327)	(314)
Period change	2,908	(57)
Balance	(4,104)	(7,012)
AOCL Defined Benefit Pension Plan
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(4,436)	(4,631)
Other comprehensive gain (loss) before reclassifications	254	(100)
Amounts reclassified from accumulated other comprehensive loss	(273)	(295)
Period change	527	195
Balance	(3,909)	(4,436)
AOCL Unrealized gains (losses) on available for sale securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(2,576)	(2,324)
Other comprehensive gain (loss) before reclassifications	2,327	(271)
Amounts reclassified from accumulated other comprehensive loss	(54)	(19)
Period change	2,381	(252)
Balance	$ (195)	$ (2,576)