Accumulated Other Comprehensive Income (Loss) (Schedule of Changes in AOCI by Components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Beginning balance	$ 67,378	$ 59,387
Other comprehensive income (loss): Net-of-Tax Amount	4,898	(109)
Ending balance	73,707	67,378
Accumulated Other Comprehensive Loss [Member]
Beginning balance	(4,299)	(4,034)
Other comprehensive income (loss) before reclassification	3,763	(392)
Amounts reclassified from accumulated other comprehensive income (loss)	1,135	283
Reclassification for ASU	(83)
Other comprehensive income (loss): Net-of-Tax Amount	4,898	(109)
Ending balance	516	(4,299)
Unrealized Gains and Losses on Available for sale Securities [Member]
Beginning balance	(2,647)	(1,684)
Other comprehensive income (loss) before reclassification	3,129	(956)
Amounts reclassified from accumulated other comprehensive income (loss)	34	149
Other comprehensive income (loss): Net-of-Tax Amount	3,163	(807)
Ending balance	516	(2,647)
Defined Benefit Pension Items [Member]
Beginning balance	(1,652)	(2,350)
Other comprehensive income (loss) before reclassification	634	564
Amounts reclassified from accumulated other comprehensive income (loss)	1,101	134
Other comprehensive income (loss): Net-of-Tax Amount	1,735	698
Ending balance		(1,652)
ASU 2018-02 [Member] | Accumulated Other Comprehensive Loss [Member]
Reclassification for ASU	(83)
ASU 2018-02 [Member] | Defined Benefit Pension Items [Member]
Reclassification for ASU	$ (83)
ASU 2016-01 [Member] | Accumulated Other Comprehensive Loss [Member]
Reclassification for ASU		(156)
ASU 2016-01 [Member] | Unrealized Gains and Losses on Available for sale Securities [Member]
Reclassification for ASU		$ (156)