Income Taxes - Summary of Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
U.S.	$ 111,880	$ 115,543	$ 34,159
Non-U.S.	214,253	160,196	146,962
Income before income taxes	$ 326,133	$ 275,739	$ 181,121