Income Taxes Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Domestic	$ 259,132	$ 144,495	$ 61,972
Foreign	23,766	56,747	94,516
Income before income taxes	$ 282,898	$ 201,242	$ 156,488