Accumulated Other Comprehensive Loss (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Loss [Abstract]
Net unrealized loss on AFS securities, Before-Tax Amount	$ (262)	$ (2,122)
Net unrealized loss on AFS securities, Tax Effect	55	445
Net unrealized loss on AFS securities, Net-of-Tax Amount	(207)	(1,677)
Unrealized actuarial losses-pension, Before-Tax Amount	(1,637)	(1,637)
Unrealized actuarial losses-pension, Tax Effect	343	343
Unrealized actuarial losses-pension, Net-of-Tax Amount	(1,294)	(1,294)
Total of all items above, Before-Tax Amount	(1,899)	(3,759)
Total of all items above, Tax Effect	398	788
Accumulated other comprehensive loss, net of tax	$ (1,501)	$ (2,971)