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Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	$ 129,280	$ 127,334
Investment securities available for sale, Gross Unrealized Gains	1,224	1,329
Investment securities available for sale, Gross Unrealized Losses	(1,058)	(1,586)
Available for Sale, Fair Value, Total	129,446	127,077
Investment securities held to maturity, Cost Basis	38,997	30,665
Investment securities held to maturity, Gross Unrealized Gains	445	265
Investment securities held to maturity, Gross Unrealized Losses	(383)	(510)
Held to Maturity, Fair Value, Total	39,059	30,420
U.S. Agency [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	5,435	400
Investment securities available for sale, Gross Unrealized Gains	1	0
Investment securities available for sale, Gross Unrealized Losses	(34)	(2)
Available for Sale, Fair Value, Total	5,402	398
U.S. Agency mortgage-backed securities [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	80,756	88,738
Investment securities available for sale, Gross Unrealized Gains	866	1,132
Investment securities available for sale, Gross Unrealized Losses	(382)	(686)
Available for Sale, Fair Value, Total	81,240	89,184
Investment securities held to maturity, Cost Basis	10,081	11,177
Investment securities held to maturity, Gross Unrealized Gains	194	180
Investment securities held to maturity, Gross Unrealized Losses	(23)	(79)
Held to Maturity, Fair Value, Total	10,252	11,278
Taxable Municipal [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	7,203	3,793
Investment securities available for sale, Gross Unrealized Gains	30	3
Investment securities available for sale, Gross Unrealized Losses	(166)	(174)
Available for Sale, Fair Value, Total	7,067	3,622
Investment securities held to maturity, Cost Basis	22,873	13,441
Investment securities held to maturity, Gross Unrealized Gains	222	70
Investment securities held to maturity, Gross Unrealized Losses	(314)	(348)
Held to Maturity, Fair Value, Total	22,781	13,163
Corporate bonds [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	35,886	34,403
Investment securities available for sale, Gross Unrealized Gains	327	194
Investment securities available for sale, Gross Unrealized Losses	(476)	(724)
Available for Sale, Fair Value, Total	35,737	33,873
Corporate bonds and other securities [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities held to maturity, Cost Basis	6,043	6,047
Investment securities held to maturity, Gross Unrealized Gains	29	15
Investment securities held to maturity, Gross Unrealized Losses	(46)	(83)
Held to Maturity, Fair Value, Total	$ 6,026	$ 5,979

X

- Definition

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

+ References

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-Publisher FASB
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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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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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