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Business Combinations (Details Textual) - USD ($) $ in Thousands				6 Months Ended
	Jul. 31, 2017	Mar. 13, 2017	Jun. 01, 2016	Jun. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill				$ 37,164	$ 37,164
Monitor Bancorp, Inc.
Business Acquisition [Line Items]
Maximum shares exchanged for stock		85.00%
Maximum shares exchanged for cash		15.00%
Estimated transaction value		$ 7,800
Estimated goodwill recorded		$ 1,400
Bowers Insurance Agency Inc
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition				Jun. 01, 2016
Shares of stock issued for acquisition			123,280
Fair value of total consideration transferred			$ 3,155
Contingent future payments			1,200
Contingent consideration			880
Goodwill			1,849
Fair value of other intangible assets			$ 1,630
Bowers Insurance Agency Inc | Subsequent Event
Business Acquisition [Line Items]
Contingent consideration	$ 316
Bowers Insurance Agency Inc | Subsequent Event | Earnout Payment
Business Acquisition [Line Items]
Contingent consideration	$ 564

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