Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets
Deferred loan origination fees	$ 254	$ 260
Allowance for loan losses	1,034	965
Real estate owned valuation	3	2
Pension adjustment	255	368
Reserve for uncollected interest	197	182
Benefit plan expenses	115	97
AMT credit carryover and low income housing credit		12
Total deferred tax assets	1,858	1,886
Deferred tax liabilities
Prepaid pension	(154)	(221)
Federal Home Loan Bank stock dividends	(1,023)	(1,023)
Book/tax depreciation differences	(541)	(560)
Financed loan fees	(130)	(129)
Unrealized gains on securities available-for-sale	(55)	(264)
Mortgage servicing rights	(139)	(125)
Total deferred tax liabilities	(2,042)	(2,322)
Net deferred tax liability	$ (184)	$ (436)