Business Combinations (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended	9 Months Ended
	Aug. 15, 2017	Jul. 31, 2017	Jun. 01, 2016	Aug. 11, 2017	Sep. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill					$ 38,201	$ 37,164
Monitor Bancorp, Inc.
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Aug. 15, 2017
Shares of stock issued for acquisition	465,787
Fair value of total consideration transferred	$ 7,512
Maximum shares exchanged for stock	85.00%
Maximum shares exchanged for cash	15.00%
Cash consideration per share	$ 769.38
Multiplier used to calculate per share cash consideration	1.25
Period of trading days considered for volume weighted average closing price				20 days
Volume weighted average closing price per share of common shares	$ 14.04
Final stock exchange ratio	54.80
Goodwill	$ 1,037
Monitor Bancorp, Inc. | Core Deposits
Business Acquisition [Line Items]
Fair value of other intangible assets	$ 673
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
Goodwill			1,849
Fair value of other intangible assets			1,630
Contingent future payments			1,200
Contingent consideration		$ 316	$ 880
Bowers Insurance Agency Inc | Earnout Payment
Business Acquisition [Line Items]
Contingent consideration		$ 564