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Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Summary of amortized cost and approximate fair values of securities
Amortized Cost	$ 91,482	$ 82,969
Gross Unrealized Gains	327	598
Gross Unrealized Losses	(1,898)	(777)
Fair Value	89,911	82,790
U.S. Treasury and Government agencies [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	11,981	12,715
Gross Unrealized Gains	7	62
Gross Unrealized Losses	(257)	(69)
Fair Value	11,731	12,708
Mortgage-backed securities [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	67,450	57,355
Gross Unrealized Gains	45	97
Gross Unrealized Losses	(1,608)	(690)
Fair Value	65,887	56,762
State and political subdivisions [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost	12,051	12,829
Gross Unrealized Gains	275	439
Gross Unrealized Losses	(33)	(18)
Fair Value	$ 12,293	13,250
Equity securities [Member]
Summary of amortized cost and approximate fair values of securities
Amortized Cost		70
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value		$ 70

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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