Income Taxes Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
United States	$ (45,167)	$ 61,374	$ 61,680
Other countries	(46,010)	20,620	43,614
Income (loss) before income tax	$ (91,177)	$ 81,994	$ 105,294