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Business Combinations (Details Textual)				1 Months Ended		12 Months Ended
	Jun. 30, 2018 USD ($)	Aug. 15, 2017 USD ($) $ / shares shares	Jun. 01, 2016 USD ($) shares	Aug. 11, 2017	Jul. 31, 2017 USD ($) valuation	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Goodwill						$ 38,201,000	$ 38,201,000
Monitor Bancorp, Inc.
Business Acquisition [Line Items]
Shares of stock issued for acquisition | shares		465,787
Fair value of total consideration transferred		$ 7,512,000
Maximum shares exchanged for stock		85.00%
Maximum shares exchanged for cash		15.00%
Cash consideration per share | $ / shares		$ 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 | $ / shares		$ 14.04
Final stock exchange ratio		54.80
Goodwill		$ 1,037,000
Monitor Bancorp, Inc. | Core Deposits
Business Acquisition [Line Items]
Fair value of other intangible assets		$ 673,000
Bowers Insurance Agency, Inc.
Business Acquisition [Line Items]
Shares of stock issued for acquisition | shares			123,280
Fair value of total consideration transferred			$ 3,155,000
Goodwill			1,849,000
Fair value of other intangible assets			1,630,000
Contingent future payments			1,200,000
Contingent consideration			$ 880,000		$ 316,000
Number of annual valuation of contingent consideration | valuation					2
Contingent consideration future payment liability						20,000	200,000
Reduction to acquisition related costs						$ 180,000	$ 364,000
Bowers Insurance Agency, Inc. | Earnout Payment
Business Acquisition [Line Items]
Contingent consideration	$ 0				$ 564,000

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