Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Taxes at U.S. statutory rate	$ (14,835)	$ 290	$ 13,767
Foreign tax provision (benefit)	10,856	(3,426)	(6,557)
CARES Act		(7,596)
Subsidiary restructuring		(8,333)
Valuation allowance release (net of U.S. tax)	(5,040)
Other	61	364	649
Income tax provision (benefit)	$ (8,958)	$ (18,701)	$ 7,859
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Taxes at U.S. statutory rate	21.00%	21.00%	21.00%
Foreign taxes	(15.30%)	(247.70%)	(10.00%)
CARES Act		(549.20%)
Subsidiary restructuring		(602.50%)
Valuation allowance release (net of U.S. tax)	7.10%
Other	(0.10%)	26.20%	1.00%
Effective tax rate	12.70%	(1352.20%)	12.00%