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Securities (Details Textual)	3 Months Ended
	Mar. 31, 2017 USD ($) Securities	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Proceeds from sales of securities available for sale	$ 43,263,000	$ 10,000
Gross gains realized	562,000	1,000
Gross Losses realized	549,000	$ 1,000
Unrealized losses	$ 1,039,000		$ 1,666,000
Number of securities | Securities	511
Number of securities on unrealized loss position | Securities	178
U.S. Treasury and U.S. government sponsored entities
Schedule Of Available For Sale Securities [Line Items]
Unrealized losses	$ 0		$ 0
U.S. Treasury and U.S. government sponsored entities | Maximum
Schedule Of Available For Sale Securities [Line Items]
Unrealized losses	$ 1,000

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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
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-Glossary Investing Activities
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