Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Components of income tax expense [Abstract]
Current income tax expense (benefit)	$ 179	$ 281
Deferred income tax expense (benefit)	(19)	(227)
Reported tax expense	160	54
Reconciliation of "expected" Federal income tax expense [Abstract]
Expected tax expense (34%)	1,345	1,254
Interest expense on tax-exempt assets	15	22
Low-income housing tax credits	(384)	(274)
Tax-exempt interest	(608)	(654)
Bank-owned life insurance	(270)	(301)
Other, net	62	7
Reported tax expense	$ 160	$ 54
Expected tax expense rate	34.00%
Effective tax rate	4.04%	1.46%
Deferred tax assets [Abstract]
Allowance for loan losses	$ 2,803	$ 2,631
Interest on nonaccrual loans	71	67
Other real estate owned	349	867
Pension - other comprehensive income	1,272	1,332
Bank owned life insurance benefit	94	88
Charitable contributions carried forward	1	109
Net unrealized loss on securities available-for-sale	896	297
Unexercised nonqualified options	36	36
Alternative minimum tax	1,019	610
Deferred benefits and compensation	256	347
Other	89	78
Total	6,886	6,462
Deferred tax liabilities [Abstract]
Depreciation	(822)	(854)
Accretion of discounts on securities	(1)	(1)
Deferred loan fees and costs	(325)	(293)
Pension	(740)	(874)
Total	(1,888)	(2,022)
Net deferred tax assets	$ 4,998	$ 4,440