Loans (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended $ 0 $ 344
Commercial    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 0
SBA    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 0
Construction    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 0
Indirect automobile    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 0
Installment    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 0
Residential mortgage    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended 0 344
Home equity lines of credit    
Financing Receivable, Modifications [Line Items]    
Troubled Debt Restructured during the last twelve months and subsequently redefaulting during the twelve months ended $ 0 $ 0