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Commitments and Contingent Liabilities (Details Narrative) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Loss Contingencies [Line Items]    
Obligations to extend credit for loan commitments $ 991,604 $ 957,088
Rate lock agreements 797  
Agreements to sell mortgages on a loan-by-loan basis 797  
Loan commitments    
Loss Contingencies [Line Items]    
Obligations to extend credit for loan commitments 148,611 125,472
Standby letters of credit    
Loss Contingencies [Line Items]    
Obligations to extend credit for loan commitments 27,805 57,723
Undisbursed portion of lines of credit    
Loss Contingencies [Line Items]    
Obligations to extend credit for loan commitments $ 815,188 $ 773,893