Other real estate owned ("OREO"), net (Schedule of Other Real Estate Owned Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Real Estate [Abstract]
Operating costs	$ 251	$ 367	$ 175
(Gains) losses on sales of OREO	(247)	(371)	(183)
Increases in valuation allowance	167	72	996
Total	$ 171	$ 68	$ 988