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Derivative Financial Instruments (Impact Of Derivative Financial Instruments) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Derivative Financial Instruments [Abstract]        
Amount of gain or (loss) recognized in OCI on derivative (effective portion) $ (150) $ (306) $ (98) $ (637)
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
[1] Reported as interest expense
[2] Reported as other income