Accumulated Other Comprehensive Loss (Schedule of accumulated other comprehensive loss components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes	$ 1,529	$ 1,014
Net Income	5,963	4,357
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net Income	(327)	(314)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Including Noncontrolling Interest [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net securities losses reclassified into earnings	(69)	(22)
Provision for income taxes	15	3
Net Income	(54)	(19)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of net loss and prior service costs	(346)	(374)
Provision for income taxes	73	79
Net Income	$ (273)	$ (295)