Loans (Details 8) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Receivables with Imputed Interest [Line Items]      
Average Balance $ 60,243 $ 68,777 $ 88,047
Interest Income Recognized 2,438 2,724 1,972
Commercial      
Receivables with Imputed Interest [Line Items]      
Average Balance 23,467 24,204 28,734
Interest Income Recognized 988 1,142 627
SBA      
Receivables with Imputed Interest [Line Items]      
Average Balance 21,129 23,451 23,162
Interest Income Recognized 701 967 844
Construction      
Receivables with Imputed Interest [Line Items]      
Average Balance 8,962 12,569 27,152
Interest Income Recognized 253 114 182
Indirect automobile      
Receivables with Imputed Interest [Line Items]      
Average Balance 2,034 2,862 3,097
Interest Income Recognized 183 141 119
Installment      
Receivables with Imputed Interest [Line Items]      
Average Balance 521 644 495
Interest Income Recognized 175 225 121
Residential mortgage      
Receivables with Imputed Interest [Line Items]      
Average Balance 3,192 3,326 3,661
Interest Income Recognized 33 43 27
Home equity lines of credit      
Receivables with Imputed Interest [Line Items]      
Average Balance 938 1,721 1,746
Interest Income Recognized $ 105 $ 92 $ 52