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Fair Value Measurements (Schedule Of Level 2 Financial Assets And Liabilities Measured On A Recurring Basis) (Details) - Impaired Loans - Fair Value, Measurements, Nonrecurring [Member] - Level 3 - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Fair Value Measurement On Nonrecurring Basis Asset And Liabilities Value [Roll Forward] |  |
Beginning balance | $ 9,020 | $ 6,916
Loans classified as impaired during the period | 2,371 | 2,995
Specific valuation allowance allocations | 0 | (86)
Fair Value | 2,371 | 2,909
(Additional) reduction in specific valuation allowance allocations | (292) | 40
Paydowns, payoffs, other activity | (903) | (609)
Ending balance | $ 10,196 | $ 9,256

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