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Securities - Schedule of Amortized Cost and Fair Value of Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017
SECURITIES AVAILABLE FOR SALE
Amortized Cost	$ 167,089	$ 160,290
Gross Unrealized Gains	161	731
Gross Unrealized Losses	4,293	1,970
Fair Value	162,957	159,051
SECURITIES HELD TO MATURITY
Amortized Cost	33,517	44,829	$ 47,369
Gross Unrealized Gains	0	57
Gross Unrealized Losses	750	337
Fair Value	32,767	44,549	$ 47,373
U.S. Government and agencies
SECURITIES AVAILABLE FOR SALE
Amortized Cost	125,594	105,899
Gross Unrealized Gains	0	2
Gross Unrealized Losses	3,518	1,818
Fair Value	122,076	104,083
SECURITIES HELD TO MATURITY
Amortized Cost	12,000	19,000
Gross Unrealized Gains	0	2
Gross Unrealized Losses	117	99
Fair Value	11,883	18,903
Mortgage-backed securities, residential
SECURITIES AVAILABLE FOR SALE
Amortized Cost	31,676	34,473
Gross Unrealized Gains	107	461
Gross Unrealized Losses	692	101
Fair Value	31,091	34,833
SECURITIES HELD TO MATURITY
Amortized Cost	21,517	25,829
Gross Unrealized Gains	0	55
Gross Unrealized Losses	633	238
Fair Value	20,884	25,646
State and municipal
SECURITIES AVAILABLE FOR SALE
Amortized Cost	9,819	13,227
Gross Unrealized Gains	54	109
Gross Unrealized Losses	83	42
Fair Value	$ 9,790	13,294
Corporate bonds
SECURITIES AVAILABLE FOR SALE
Amortized Cost		5,000
Gross Unrealized Gains		57
Gross Unrealized Losses		0
Fair Value		5,057
CRA mutual fund
SECURITIES AVAILABLE FOR SALE
Amortized Cost		1,044
Gross Unrealized Gains		0
Gross Unrealized Losses		9
Fair Value		1,035
Stock in other banks
SECURITIES AVAILABLE FOR SALE
Amortized Cost		647
Gross Unrealized Gains		102
Gross Unrealized Losses		0
Fair Value		$ 749

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

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