CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Share Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock	Previously Reported	Revision of Prior Period, Accounting Standards Update, Adjustment	Revision of Prior Period, Accounting Standards Update, Adjustment Accumulated Deficit
Balance at beginning of the period (in shares) at Dec. 31, 2019		306,874,115
Balance at beginning of the period at Dec. 31, 2019	$ 1,248,599	$ 2,144,372	$ (4,879)	$ (890,894)			$ (9,319)	$ (9,319)
Increase (Decrease) in Shareholders' Equity
Issuance of common stock, net (in shares)		27,600,000
Issuance of ordinary shares, net	539,714	$ 539,714
Share-based award activity	16,384	$ 16,384
Balance at end of the period (in shares) at Mar. 31, 2020		364,938,052
Balance at end of the period at Mar. 31, 2020	1,925,681	$ 2,968,876	(13,349)	(1,029,846)			$ (9,319)	$ (9,319)
Increase (Decrease) in Shareholders' Equity
Other Comprehensive Income (Loss), Net of Tax	(8,470)		(8,470)	0		$ (8,470)
Net loss	(129,633)			(129,633)		(74,001)
Stock Issued During Period, Shares, Warrants Exercised		28,880,098
Stock Issued During Period, Value, Warrants Exercised	$ 277,526	$ 277,526
Exercise of Private Placement Warrants	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		3,715,455
Stock Issued During Period, Value, Stock Options Exercised	$ 1,182	$ 1,182
Vesting of Restricted Stock Units		169,842
Shares Issued, Shares, Share-based Payment Arrangement, Forfeited		(2,301,458)
Shares Issued, Value, Share-based Payment Arrangement, Forfeited	(10,302)	$ (10,302)
Net loss	(129,633)			(129,633)		(74,001)
Stock Issued During Period, Shares, Warrants Exercised		28,880,098
Stock Issued During Period, Value, Warrants Exercised	277,526	$ 277,526
Treasury Stock, Common, Value	$ 196,038				$ (196,038)
Treasury Stock, Common, Shares	6,325,860				6,325,860
Balance at beginning of the period (in shares) at Dec. 31, 2020		606,329,598
Balance at beginning of the period at Dec. 31, 2020	$ 9,034,790	$ 9,989,284	492,382	(1,250,838)
Increase (Decrease) in Shareholders' Equity
Issuance of common stock, net (in shares)		4,395,638
Issuance of ordinary shares, net	105,509	$ 105,509
Share-based award activity	10,479	$ 10,479
Balance at end of the period (in shares) at Mar. 31, 2021		611,355,226
Balance at end of the period at Mar. 31, 2021	9,118,597	$ 10,109,449	511,975	(1,306,789)		9,396,772
Increase (Decrease) in Shareholders' Equity
Other Comprehensive Income (Loss), Net of Tax	19,593		$ 19,593	0		19,838
Net loss	$ (55,951)			(55,951)		(23,954)
Exercise of Private Placement Warrants	212,174	212,174
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		835,917
Stock Issued During Period, Value, Stock Options Exercised	$ 5,074	$ 5,074
Vesting of Restricted Stock Units		15,958
Shares Issued, Shares, Share-based Payment Arrangement, Forfeited		(434,059)
Shares Issued, Value, Share-based Payment Arrangement, Forfeited	(4,489)	$ (4,489)
Stock Issued During Period, Value, Private Warrants Exercised	3,592
Net loss	(55,951)			$ (55,951)		$ (23,954)
Treasury Stock, Common, Value	$ 196,038				$ (196,038)
Treasury Stock, Common, Shares	6,325,860				6,325,860