Securities - Summary of Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 102,587	$ 113,355
Gross Unrealized Gains	450	734
Gross Unrealized Losses	(1,477)	(1,108)
Securities available for sale	101,560	112,981
U.S. Treasury and federal agency
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,550	1,493
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(50)	(27)
Securities available for sale	4,500	1,466
U.S. government sponsored entities and agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,186	8,998
Gross Unrealized Gains	0	2
Gross Unrealized Losses	(188)	(47)
Securities available for sale	8,998	8,953
U.S. agency mortgage-backed securities: residential
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25,790	32,947
Gross Unrealized Gains	32	256
Gross Unrealized Losses	(196)	(53)
Securities available for sale	25,626	33,150
U.S. agency collateralized mortgage obligations: residential
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25,367	32,289
Gross Unrealized Gains	23	23
Gross Unrealized Losses	(684)	(872)
Securities available for sale	24,706	31,440
State and political subdivision
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	27,853	28,352
Gross Unrealized Gains	17	264
Gross Unrealized Losses	(262)	(25)
Securities available for sale	27,608	28,591
Corporate debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,012	7,507
Gross Unrealized Gains	5	1
Gross Unrealized Losses	(85)	(21)
Securities available for sale	7,932	7,487
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,829	1,769
Gross Unrealized Gains	373	188
Gross Unrealized Losses	(12)	(63)
Securities available for sale	$ 2,190	$ 1,894