Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Taxes [Abstract]
Federal - Current			$ 907	$ 223
Foreign - Current			5,607	25,894
State - Current			1,096	7,673
Deferred			206	11,863
Total income tax expense	$ 1,573	$ 2,094	$ 7,816	$ 45,653