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Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]      
Balance at beginning of year $ 21
Reclassification from deferred taxes for tax position taken during a period
Increases related to tax positions taken during a prior period
Decrease due to the resolution of a prior year tax matter $ (21)
Decreases related to settlements with taxing authorities
Balance at end of year