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Allowance For Loan Losses (Schedule Of Troubled Debt Restructurings) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) contract | Dec. 31, 2015 USD ($) contract
Financing Receivable, Modifications [Line Items] |  |
Accruing | $ 29,096 | $ 22,259
Non-Accruing | 421 | 225
Total | $ 29,517 | $ 22,484
Number of Contracts | contract | 48 | 51
Pre-modification Outstanding Recorded Investment | $ 9,054 | $ 3,330
Post-modification Outstanding Recorded Investment | 8,399 | 3,330
Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 42 | 58
Non-Accruing | 0 | 0
Total | $ 42 | $ 58
Number of Contracts | contract | 0 | 0
Pre-modification Outstanding Recorded Investment | $ 0 | $ 0
Post-modification Outstanding Recorded Investment | 0 | 0
Commercial real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 5,525 | 1,746
Non-Accruing | 0 | 0
Total | $ 5,525 | $ 1,746
Number of Contracts | contract | 2 | 0
Pre-modification Outstanding Recorded Investment | $ 5,021 | $ 0
Post-modification Outstanding Recorded Investment | 4,366 | 0
Residential real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 20,424 | 17,796
Non-Accruing | 391 | 191
Total | $ 20,815 | $ 17,987
Number of Contracts | contract | 37 | 38
Pre-modification Outstanding Recorded Investment | $ 3,812 | $ 2,969
Post-modification Outstanding Recorded Investment | 3,812 | 2,969
Home equity |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 3,105 | 2,659
Non-Accruing | 30 | 34
Total | $ 3,135 | $ 2,693
Number of Contracts | contract | 9 | 13
Pre-modification Outstanding Recorded Investment | $ 221 | $ 361
Post-modification Outstanding Recorded Investment | 221 | 361
Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 0 | 0
Non-Accruing | 0 | 0
Total | $ 0 | $ 0
Number of Contracts | contract | 0 | 0
Pre-modification Outstanding Recorded Investment | $ 0 | $ 0
Post-modification Outstanding Recorded Investment | $ 0 | $ 0

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