Pension And Other Liabilities (Schedule Of Items Not Recognized As A Component Of Net Periodic Pension Cost) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Pension And Other Liabilities [Abstract]
Unamortized actuarial loss	$ 2,719	$ 2,848
Accumulated other comprehensive loss	$ 2,719	$ 2,848