Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Taxes [Abstract]
Federal - Current	$ 815	$ 127
Foreign - Current	1,375	1,421
State - Current	100	77
Deferred	633	1,818
Total income tax expense	$ 2,923	$ 3,443