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Investment Securities (Details) - USD ($) $ in Thousands		Sep. 30, 2018	Dec. 31, 2017
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		$ 231,642	$ 234,192
Gross Unrealized Gains		62	158
Gross Unrealized Losses		(7,142)	(3,322)
Fair value		224,562	231,028
U.S. Treasury
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		1,983	1,980
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(67)	(13)
Fair value		1,916	1,967
U.S. government and federal agency obligations
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		10,933	12,341
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(459)	(268)
Fair value		10,474	12,073
Government sponsored enterprises
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		45,777	37,321
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(812)	(424)
Fair value		44,965	36,897
Obligations of states and political subdivisions
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		41,088	47,019
Gross Unrealized Gains		21	114
Gross Unrealized Losses		(764)	(477)
Fair value		40,345	46,656
Residential - government agencies
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		127,375	131,045
Gross Unrealized Gains		41	44
Gross Unrealized Losses		(4,918)	(2,140)
Fair value		122,498	128,949
Other debt securities
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost	[1]	3,000	3,000
Gross Unrealized Gains	[1]	0	0
Gross Unrealized Losses	[1]	0	0
Fair value	[1]	3,000	3,000
Bank issued trust preferred securities
Amortized cost and fair value of debt securities available-for-sale
Total Amortized Cost		1,486	1,486
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(122)	0
Fair value		$ 1,364	$ 1,486
[1] As of January 1, 2018, the Company adopted ASU 2016-01, resulting in reclassification of certain hybrid instruments possessing characteristics typically associated with debt obligations from other securities carried at cost to available for sale securities carried at fair value.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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