Investment Securities Available-for-sale and Held-to-maturity securities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Available-for-sale
Amortized Cost	$ 66,158
Amortized Cost	66,561	$ 54,152
Gross Unrealized Gains	239	549
Gross Unrealized Losses	(1,244)	(591)
Fair Value	65,153
Fair Value	65,556	54,110
Held-to-maturity
Amortized Cost	999	5,217
Fair Value	999	5,100
U.S. Government-sponsored enterprises [Member]
Available-for-sale
Amortized Cost	10,221	10,805
Gross Unrealized Gains	15	30
Gross Unrealized Losses	(196)	(143)
Fair Value	10,040	10,692
Fair Value	10,040	10,692
Held-to-maturity
Amortized Cost	999	5,217
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	(101)
Fair Value	999	5,116
Agency MBS [Member]
Available-for-sale
Amortized Cost	18,283	11,083
Gross Unrealized Gains	27	39
Gross Unrealized Losses	(269)	(64)
Fair Value	18,041	11,058
Fair Value	18,041	11,058
State and political subdivisions [Member]
Available-for-sale
Amortized Cost	27,909	19,653
Gross Unrealized Gains	113	404
Gross Unrealized Losses	(650)	(25)
Fair Value	27,372	20,032
Fair Value	27,372	20,032
Corporate [Member]
Available-for-sale
Amortized Cost	9,745	12,266
Gross Unrealized Gains	84	76
Gross Unrealized Losses	(129)	(359)
Fair Value	9,700	11,983
Fair Value	9,700	11,983
Total debt securities [Member]
Available-for-sale
Amortized Cost	66,158	53,807
Gross Unrealized Gains	239	549
Gross Unrealized Losses	(1,244)	(591)
Fair Value	65,153	53,765
Fair Value	65,153	53,765
Mutual funds [Member]
Available-for-sale
Mutual funds, Amortized Cost	403	345
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Mutual funds, Fair Value	403	345
Fair Value	$ 403	$ 345

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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