Securities - Schedule of Amortized Cost and Fair Value of Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
SECURITIES AVAILABLE FOR SALE
Amortized Cost	$ 158,330	$ 143,393
Gross Unrealized Gains	1,124	1,310
Gross Unrealized Losses	1,062	1,713
Fair Value	158,392	142,990	$ 143,940
SECURITIES HELD TO MATURITY
Amortized Cost	47,369	55,568	57,562
Gross Unrealized Gains	181	236
Gross Unrealized Losses	177	379
Fair Value	47,373	55,425	$ 58,566
U.S. Government and agencies
SECURITIES AVAILABLE FOR SALE
Amortized Cost	99,999	81,065
Gross Unrealized Gains	37	43
Gross Unrealized Losses	1,022	1,529
Fair Value	99,014	79,579
SECURITIES HELD TO MATURITY
Amortized Cost	20,004	23,017
Gross Unrealized Gains	25	26
Gross Unrealized Losses	54	54
Fair Value	19,975	22,989
Mortgage-backed securities, residential
SECURITIES AVAILABLE FOR SALE
Amortized Cost	36,673	31,272
Gross Unrealized Gains	705	782
Gross Unrealized Losses	27	81
Fair Value	37,351	31,973
SECURITIES HELD TO MATURITY
Amortized Cost	27,365	32,551
Gross Unrealized Gains	156	210
Gross Unrealized Losses	123	325
Fair Value	27,398	32,436
State and municipal
SECURITIES AVAILABLE FOR SALE
Amortized Cost	14,967	24,514
Gross Unrealized Gains	160	240
Gross Unrealized Losses	11	94
Fair Value	15,116	24,660
Corporate bonds
SECURITIES AVAILABLE FOR SALE
Amortized Cost	5,000	5,000
Gross Unrealized Gains	112	62
Gross Unrealized Losses	0	0
Fair Value	5,112	5,062
CRA mutual fund
SECURITIES AVAILABLE FOR SALE
Amortized Cost	1,044	1,044
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2	9
Fair Value	1,042	1,035
Stock in other banks
SECURITIES AVAILABLE FOR SALE
Amortized Cost	647	498
Gross Unrealized Gains	110	183
Gross Unrealized Losses	0	0
Fair Value	$ 757	$ 681

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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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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