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Securities - Schedule of Amortized Cost and Fair Value of Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
SECURITIES AVAILABLE FOR SALE
Amortized Cost	$ 137,266	$ 143,393
Gross Unrealized Gains	1,268	1,310
Gross Unrealized Losses	1,435	1,713
Fair Value	137,099	142,990	$ 119,412
SECURITIES HELD TO MATURITY
Amortized Cost	53,794	55,568	69,686
Gross Unrealized Gains	227	236
Gross Unrealized Losses	360	379
Fair Value	53,661	55,425	$ 70,569
U.S. Government and agencies
SECURITIES AVAILABLE FOR SALE
Amortized Cost	79,977	81,065
Gross Unrealized Gains	37	43
Gross Unrealized Losses	1,311	1,529
Fair Value	78,703	79,579
SECURITIES HELD TO MATURITY
Amortized Cost	23,013	23,017
Gross Unrealized Gains	31	26
Gross Unrealized Losses	50	54
Fair Value	22,994	22,989
Mortgage-backed securities, residential
SECURITIES AVAILABLE FOR SALE
Amortized Cost	29,089	31,272
Gross Unrealized Gains	754	782
Gross Unrealized Losses	63	81
Fair Value	29,780	31,973
SECURITIES HELD TO MATURITY
Amortized Cost	30,781	32,551
Gross Unrealized Gains	196	210
Gross Unrealized Losses	310	325
Fair Value	30,667	32,436
State and municipal
SECURITIES AVAILABLE FOR SALE
Amortized Cost	21,658	24,514
Gross Unrealized Gains	217	240
Gross Unrealized Losses	52	94
Fair Value	21,823	24,660
Corporate bonds
SECURITIES AVAILABLE FOR SALE
Amortized Cost	5,000	5,000
Gross Unrealized Gains	126	62
Gross Unrealized Losses	0	0
Fair Value	5,126	5,062
CRA mutual fund
SECURITIES AVAILABLE FOR SALE
Amortized Cost	1,044	1,044
Gross Unrealized Gains	0	0
Gross Unrealized Losses	9	9
Fair Value	1,035	1,035
Stock in other banks
SECURITIES AVAILABLE FOR SALE
Amortized Cost	498	498
Gross Unrealized Gains	134	183
Gross Unrealized Losses	0	0
Fair Value	$ 632	$ 681

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