Loans (Details 9)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Loan
Dec. 31, 2014
USD ($)
Loan
Dec. 31, 2013
USD ($)
Loans
Financing Receivable Modifications [Line Items]      
Number of Loans 33 32 41
Pre-Modification Outstanding Recorded Investment $ 2,698 $ 1,929 $ 1,409
Post-Modification Outstanding Recorded Investment $ 2,698 $ 1,959 $ 1,422
Commercial real estate, Owner occupied      
Financing Receivable Modifications [Line Items]      
Number of Loans   1 2
Pre-Modification Outstanding Recorded Investment   $ 303 $ 226
Post-Modification Outstanding Recorded Investment   $ 316 $ 239
Residential real estate, 1-4 family residential      
Financing Receivable Modifications [Line Items]      
Number of Loans   21 4
Pre-Modification Outstanding Recorded Investment   $ 1,042 $ 131
Post-Modification Outstanding Recorded Investment   $ 1,059 $ 98
Residential real estate, Home equity lines of credit      
Financing Receivable Modifications [Line Items]      
Number of Loans   5 5
Pre-Modification Outstanding Recorded Investment   $ 128 $ 214
Post-Modification Outstanding Recorded Investment   $ 128 $ 214
Consumer, Indirect      
Financing Receivable Modifications [Line Items]      
Number of Loans   2 24
Pre-Modification Outstanding Recorded Investment   $ 37 $ 188
Post-Modification Outstanding Recorded Investment   $ 37 $ 188
Commercial real estate, Non-owner occupied      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan   2  
Pre-Modification Outstanding Recorded Investment   $ 408  
Post-Modification Outstanding Recorded Investment   $ 408  
Commercial      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loans     5
Pre-Modification Outstanding Recorded Investment     $ 649
Post-Modification Outstanding Recorded Investment     $ 682
Consumer      
Financing Receivable Modifications [Line Items]      
Number of Loans   1 1
Pre-Modification Outstanding Recorded Investment   $ 11 $ 1
Post-Modification Outstanding Recorded Investment   $ 11 $ 1
Originated Loans      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 31    
Pre-Modification Outstanding Recorded Investment $ 1,741    
Post-Modification Outstanding Recorded Investment $ 1,741    
Originated Loans | Commercial real estate, Owner occupied      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 2    
Pre-Modification Outstanding Recorded Investment $ 801    
Post-Modification Outstanding Recorded Investment $ 801    
Originated Loans | Residential real estate, 1-4 family residential      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 13    
Pre-Modification Outstanding Recorded Investment $ 760    
Post-Modification Outstanding Recorded Investment $ 760    
Originated Loans | Residential real estate, Home equity lines of credit      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 2    
Pre-Modification Outstanding Recorded Investment $ 60    
Post-Modification Outstanding Recorded Investment $ 60    
Originated Loans | Consumer, Indirect      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 12    
Pre-Modification Outstanding Recorded Investment $ 104    
Post-Modification Outstanding Recorded Investment $ 104    
Originated Loans | Commercial      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 1    
Pre-Modification Outstanding Recorded Investment $ 8    
Post-Modification Outstanding Recorded Investment $ 8    
Originated Loans | Consumer      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 1    
Pre-Modification Outstanding Recorded Investment $ 8    
Post-Modification Outstanding Recorded Investment $ 8    
Acquired Loans | Commercial      
Financing Receivable Modifications [Line Items]      
Number of Loans | Loan 2    
Pre-Modification Outstanding Recorded Investment $ 957    
Post-Modification Outstanding Recorded Investment $ 957