Other Real Estate Owned (Schedule of Components of OREO) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Other Real Estate Owned [Abstract]
Gain on sales of other real estate owned	$ (645)	$ (189)
Fair value write-down	398	486
OREO Expenses, net	616	603
Rental and other income	(179)	(98)
Total OREO expenses, net	$ 190	$ 802