Income Taxes Schedule Of Income Before Income Tax Domestic And Foreign (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ (112,778)	$ (61,893)	$ 16,405
Income (Loss) from Continuing Operations before Income Taxes, Foreign	(2,074)	29,409	(49,257)
Loss before income taxes	$ (114,852)	$ (32,484)	$ (32,852)