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Loans Loans (Schedule of Restructured Trouble Debt Restructuring By Class) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
contract
Jun. 30, 2016
USD ($)
contract
Jun. 30, 2017
USD ($)
contract
Jun. 30, 2016
USD ($)
contract
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modifications, Number of Contracts | contract 1 3 5 4
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 206 $ 147 $ 1,087 $ 397
Financing Receivable, Modifications, Post-Modification Recorded Investment $ 206 $ 147 $ 1,087 $ 397
Non-Jumbo [Member]        
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modifications, Number of Contracts | contract 1 2 5 3
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 206 $ 145 $ 1,087 $ 395
Financing Receivable, Modifications, Post-Modification Recorded Investment $ 206 $ 145 $ 1,087 $ 395
Consumer Portfolio Segment [Member]        
Financing Receivable, Modifications [Line Items]        
Financing Receivable, Modifications, Number of Contracts | contract 0 1 0 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment $ 0 $ 2 $ 0 $ 2
Financing Receivable, Modifications, Post-Modification Recorded Investment $ 0 $ 2 $ 0 $ 2