CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance beginning (in shares) at Dec. 31, 2022		86,806,554
Balance beginning at Dec. 31, 2022	$ (634,078)	$ 868	$ 3,737,979	$ (4,275,889)	$ (90,659)	$ (6,377)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	28,647		28,647
Stock issued under incentive programs (in shares)		333,277
Stock issued under incentive programs	543	$ 3	1,107		(567)
Foreign currency translation adjustment	3,211					3,211
Net loss	(293,905)			(293,905)
Balance ending (in shares) at Mar. 31, 2023		87,139,831
Balance ending at Mar. 31, 2023	$ (895,582)	$ 871	3,767,733	(4,569,794)	(91,226)	(3,166)
Balance beginning (in shares) at Dec. 31, 2023	139,505,770	140,506,093
Balance beginning at Dec. 31, 2023	$ (716,927)	$ 1,405	4,192,164	(4,820,951)	(92,267)	2,722
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	11,556		11,556
Stock issued under incentive programs (in shares)		1,194,879
Stock issued under incentive programs	(616)	$ 12	1,055		(1,683)
Foreign currency translation adjustment	(13,547)					(13,547)
Net loss	$ (147,550)			(147,550)
Balance ending (in shares) at Mar. 31, 2024	140,373,255	141,700,972
Balance ending at Mar. 31, 2024	$ (867,084)	$ 1,417	$ 4,204,775	$ (4,968,501)	$ (93,950)	$ (10,825)