Loans (Details 3) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days $ 4,652 $ 5,132
Accruing Delinquent 90 Days 827 0
TDRs Accruing 16,559 14,285
Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 316 1,620
Accruing Delinquent 90 Days 0 0
TDRs Accruing 9,521 7,242
SBA    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 830 169
Accruing Delinquent 90 Days 0 0
TDRs Accruing 4,164 2,520
Construction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 0 0
Accruing Delinquent 90 Days 0 0
TDRs Accruing 445 1,662
Indirect automobile    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 1,547 1,561
Accruing Delinquent 90 Days 0 0
TDRs Accruing 1,779 2,214
Installment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 42 305
Accruing Delinquent 90 Days 0 0
TDRs Accruing 18 0
Residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 475 1,314
Accruing Delinquent 90 Days 827 0
TDRs Accruing 632 647
Home equity lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accruing Delinquent 30-89 Days 1,442 163
Accruing Delinquent 90 Days 0 0
TDRs Accruing $ 0 $ 0