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Loans (Details 4)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Financing Receivable, Impaired [Line Items]    
Number of Loans 1 2
Paying as restructured - Recorded investment $ 370 $ 961
Commercial [Member] | Commercial and Industrial [Member]    
Financing Receivable, Impaired [Line Items]    
Number of Loans 1  
Paying as restructured - Recorded investment $ 370  
Commercial Real Estate [Member] | Owner Occupied [Member]    
Financing Receivable, Impaired [Line Items]    
Number of Loans   2
Paying as restructured - Recorded investment   $ 961