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Business Combinations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 13, 2017
Jun. 01, 2016
Mar. 31, 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