Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets
Allowance for loan losses	$ 2,893	$ 3,890
Deferred compensation	2,142	2,520
OREO valuation allowance and expenses	337	413
Unrealized loss on investment securities	452	605
Depreciation	29
Other	142	509
Deferred tax assets, gross	5,995	7,937
Deferred tax liabilities
FHLB stock dividends	109	156
Depreciation		15
Deferred tax liabilities, gross	109	171
Net deferred tax assets	$ 5,886	$ 7,766