Restatement of Previously Issued Audited Financial Statements - Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues - Note 14	$ 47,044	$ 13,709
Cost of sales	(109,621)	(30,669)
Other operating costs	(26,789)	(16,981)
Loss from operations	(89,366)	(33,941)
Interest expense - Note 10	(43,458)	(64,846)
Fair value adjustment to Warrants - Note 19	(3,767)	0
Interest income	199	797
Loss before reorganization items and income taxes	(136,392)	(97,990)
Reorganization items	0	905
Loss before income taxes	(136,392)	$ (98,895)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues - Note 14	47,044
Cost of sales	(109,621)
Other operating costs	(26,789)
Loss from operations	(89,366)
Interest expense - Note 10	(43,458)
Fair value adjustment to Warrants - Note 19	(45)
Interest income	199
Loss before reorganization items and income taxes	(132,670)
Reorganization items	0
Loss before income taxes	(132,670)
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenues - Note 14	0
Cost of sales	0
Other operating costs	0
Loss from operations	0
Interest expense - Note 10	0
Fair value adjustment to Warrants - Note 19	(3,722)
Interest income	0
Loss before reorganization items and income taxes	(3,722)
Reorganization items	0
Loss before income taxes	$ (3,722)