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Revision of Prior Period Financial Statements - Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ (2,570)	$ (37,858)	$ (12,980)	$ (40,428)	$ (30,143)
Inventories		4,824		(8,058)	(22,024)
Other assets		(7,324)		(6,263)	(7,188)
Income taxes receivable/payable		131		(360)	(13)
Net cash used in operating activities		(22,276)		$ (44,109)	$ (20,783)
As Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(38,379)
Inventories		3,419
Other assets		(5,133)
Income taxes receivable/payable		(134)
Net cash used in operating activities		(22,276)
Adjustments [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		521
Inventories		1,405
Other assets		(2,191)
Income taxes receivable/payable		265
Net cash used in operating activities		$ 0

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