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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (63,993)	$ (468,383)	$ (231,808)
Other comprehensive income (loss):
Release of currency translation adjustments on liquidation of an international operation	9,320	0	0
Other currency translation adjustments	(4,044)	(3,750)	3,462
Other	78	111	189
Total other comprehensive income (loss)	5,354	(3,639)	3,651
Comprehensive loss	$ (58,639)	$ (472,022)	$ (228,157)

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