Derivative Financial Instruments (Impact Of Derivative Financial Instruments) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Derivative Financial Instruments [Abstract] | |||||||||
| Amount of gain or (loss) recognized in OCI on derivative (effective portion) | $ 157 | $ 20 | $ (480) | $ 55 | |||||
| Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion) | [1] | 0 | 0 | 0 | 0 | ||||
| Amount of gain or (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) | [2] | $ 0 | $ 0 | $ 0 | $ 0 | ||||
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