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Loans, Allowance For Loan Losses And OREO (Loans On Non-Accrual Status) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status $ 2,649 $ 3,465
Commercial Mortgages-Owner Occupied [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 189 855
Commercial Mortgages-Non-Owner Occupied [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 68  
Commercial Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 169 256
Consumer Unsecured [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status
Consumer Secured [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 397 80
Residential Mortgages [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 778 1,292
Residential Consumer Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status 64 67
Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivables on Non-Accrual Status $ 984 $ 915