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Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	$ 138,609	$ 129,550
Investment securities available for sale, Gross Unrealized Gains	497	960
Investment securities available for sale, Gross Unrealized Losses	(3,251)	(1,372)
Available for Sale, Fair Value, Total	135,855	129,138
Investment securities held to maturity, Cost Basis	38,916	38,752
Investment securities held to maturity, Gross Unrealized Gains	142	390
Investment securities held to maturity, Gross Unrealized Losses	(952)	(331)
Held to Maturity, Fair Value, Total	38,106	38,811
U.S. Agency [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	6,768	6,612
Investment securities available for sale, Gross Unrealized Gains	0	0
Investment securities available for sale, Gross Unrealized Losses	(238)	(40)
Available for Sale, Fair Value, Total	6,530	6,572
U.S. Agency mortgage-backed securities [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	84,185	79,854
Investment securities available for sale, Gross Unrealized Gains	313	611
Investment securities available for sale, Gross Unrealized Losses	(1,861)	(719)
Available for Sale, Fair Value, Total	82,637	79,746
Investment securities held to maturity, Cost Basis	8,524	9,740
Investment securities held to maturity, Gross Unrealized Gains	79	149
Investment securities held to maturity, Gross Unrealized Losses	(192)	(45)
Held to Maturity, Fair Value, Total	8,411	9,844
Municipal [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	10,755	7,198
Investment securities available for sale, Gross Unrealized Gains	29	27
Investment securities available for sale, Gross Unrealized Losses	(392)	(189)
Available for Sale, Fair Value, Total	10,392	7,036
Investment securities held to maturity, Cost Basis	24,352	22,970
Investment securities held to maturity, Gross Unrealized Gains	50	203
Investment securities held to maturity, Gross Unrealized Losses	(679)	(238)
Held to Maturity, Fair Value, Total	23,723	22,935
Corporate bonds [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities available for sale, Cost Basis	36,901	35,886
Investment securities available for sale, Gross Unrealized Gains	155	322
Investment securities available for sale, Gross Unrealized Losses	(760)	(424)
Available for Sale, Fair Value, Total	36,296	35,784
Corporate bonds and other securities [Member]
Available-For-Sale-Securities-And-Held-To-Maturity-Securities
Investment securities held to maturity, Cost Basis	6,040	6,042
Investment securities held to maturity, Gross Unrealized Gains	13	38
Investment securities held to maturity, Gross Unrealized Losses	(81)	(48)
Held to Maturity, Fair Value, Total	$ 5,972	$ 6,032

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

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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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