Loans and Allowance for Loan Losses (Summary of All Troubled Debt Restructuring Loans (Accruing and Non Accruing) by Portfolio Segment) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
loan
Dec. 31, 2013
loan
Financing Receivable, Modifications [Line Items]    
Number of Contracts 41 44
Current Balance $ 5,960 $ 7,136
Specific Reserve 645 656
Number of Contracts 6 12
Pre-Modification Outstanding Recorded Investment 488 1,370
Post-Modification Outstanding Recorded Investment 491 1,419
Specific Reserve 49 122
Number of contracts that subsequently defaulted 0 1
Recorded investment of troubled-debt restructurings that subsequently defaulted 0 113
Residential real estate loans    
Financing Receivable, Modifications [Line Items]    
Number of Contracts 24 26
Current Balance 3,800 4,089
Specific Reserve 635 525
Number of Contracts 1 6
Pre-Modification Outstanding Recorded Investment 136 836
Post-Modification Outstanding Recorded Investment 149 878
Specific Reserve 43 119
Commercial real estate loans    
Financing Receivable, Modifications [Line Items]    
Number of Contracts 7 10
Current Balance 1,704 2,558
Specific Reserve 0 131
Number of Contracts 1 2
Pre-Modification Outstanding Recorded Investment 235 279
Post-Modification Outstanding Recorded Investment 235 286
Specific Reserve 0 0
Number of contracts that subsequently defaulted 0 1
Recorded investment of troubled-debt restructurings that subsequently defaulted 0 113
Commercial loans    
Financing Receivable, Modifications [Line Items]    
Number of Contracts 9 7
Current Balance 426 488
Specific Reserve 10 0
Number of Contracts 3 4
Pre-Modification Outstanding Recorded Investment 77 255
Post-Modification Outstanding Recorded Investment 77 255
Specific Reserve 6 3
Consumer loans    
Financing Receivable, Modifications [Line Items]    
Number of Contracts 1 1
Current Balance 30 1
Specific Reserve 0 0
Number of Contracts 1 0
Pre-Modification Outstanding Recorded Investment 40 0
Post-Modification Outstanding Recorded Investment 30 0
Specific Reserve $ 0 $ 0