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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (9,540)	$ (63,993)	$ (468,383)
Other comprehensive income (loss):
Currency translation adjustments	(12,977)	(4,044)	(3,750)
Release of currency translation adjustments on liquidation of an international operation	0	(9,320)	0
Other	67	78	111
Total other comprehensive income (loss)	(12,910)	5,354	(3,639)
Comprehensive loss	$ (22,450)	$ (58,639)	$ (472,022)

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