Income Taxes (Income Before Income Tax Domestic And Foreign Components Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Abstract]
Domestic	$ (55,061)	$ 30,766	$ 37,306
Foreign	4,484	8,294	6,832
(Loss) income from operations, before income taxes	$ (50,577)	$ 39,060	$ 44,138