Supplemental Balance Sheet and Income Statement Information - Other, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other, net
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets	$ (3,597)	$ 8,965	$ (3,521)	$ 17,488
Warrant and derivative valuation	21,981		93,733
Impairment of Canada Drilling assets		58,000		58,000
Litigation expenses and reserves	5,016	1,847	8,128	3,341
Foreign currency transaction losses (gains)	(7,391)	148	(3,177)	2,527
(Gain) loss on debt buyback	(2,013)	(123)	(1,977)	(8,185)
Other losses (gains)	532	(2,382)	1,743	630
Total other, net	$ 14,528	$ 66,455	$ 94,929	$ 73,801