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Loans Loans (Schedule of Loans Modified as Troubled Debt Restructuring) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
loan
Jun. 30, 2016
USD ($)
loan
Jun. 30, 2017
USD ($)
loan
Jun. 30, 2016
USD ($)
loan
Financing Receivable, Modifications [Line Items]        
Number of Loans | loan 1 0 2 0
Pre-Modification Outstanding Recorded Investment $ 127 $ 0 $ 155 $ 0
Post-Modification Outstanding Recorded Investment $ 127 $ 0 $ 155 $ 0
Commercial and Industrial Loans and Leases        
Financing Receivable, Modifications [Line Items]        
Number of Loans | loan 1 0 1 0
Pre-Modification Outstanding Recorded Investment $ 127 $ 0 $ 127 $ 0
Post-Modification Outstanding Recorded Investment $ 127 $ 0 $ 127 $ 0
Commercial Real Estate Loans        
Financing Receivable, Modifications [Line Items]        
Number of Loans | loan 0 0 1 0
Pre-Modification Outstanding Recorded Investment $ 0 $ 0 $ 28 $ 0
Post-Modification Outstanding Recorded Investment $ 0 $ 0 $ 28 $ 0