Income Taxes - Income/(loss) before income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S.	$ (8,046)	$ 5,673	$ 33,417
Foreign	(23,832)	11,955	9,588
(Loss) income before income tax benefit	$ (31,878)	$ 17,628	$ 43,005