Securities (Details Textual) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) Securities	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Securities	Jun. 30, 2017 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Proceeds from sales of securities available for sale	$ 2,300	$ 11,200	$ 2,629	$ 54,482
Gross gains realized	2	168	6	730
Gross Losses realized	$ 1	$ 182	$ 3	$ 731
Number of securities \| Securities	575		575
Number of securities on unrealized loss position \| Securities	308		308
ASU 2016-01 \| Equity securities
Schedule Of Available For Sale Securities [Line Items]
Unrealized gains recognized in income statement for securities	$ 26		$ 42

Number of securities.

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Number of securities on unrealized loss position.

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562

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-Topic 230
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-Section 45
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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