Unaudited Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Ordinary Shares	Additional paid in capital	Accumulated deficit	Accumulated other comprehensive income (loss)	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		962,455,850
Beginning balance at Dec. 31, 2022	$ 1,045,595	$ 6	$ 2,893,120	$ (1,861,360)	$ 25,685	$ (11,856)
Beginning balance (in shares) at Dec. 31, 2022						(2,236,280)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of ordinary shares upon vesting of restricted shares (in shares)		732,040
Issuance of ordinary shares upon vesting of restricted shares	0	$ 0	0
Exercise of share options (in shares)		4,009,460
Exercise of share options	1,673	$ 0	1,673
Receipt of shares netted to satisfy tax withholding obligations related to share-based compensation (in shares)						(1,272,330)
Receipt of shares netted to satisfy tax withholding obligations related to share-based compensation	(5,130)					$ (5,130)
Share-based compensation	16,661		16,661
Net loss	(49,144)			(49,144)
Foreign currency translation	(8,413)				(8,413)
Ending balance (in shares) at Mar. 31, 2023		967,197,350
Ending balance at Mar. 31, 2023	$ 1,001,242	$ 6	2,911,454	(1,910,504)	17,272	$ (16,986)
Ending balance (in shares) at Mar. 31, 2023						(3,508,610)
Beginning balance (in shares) at Dec. 31, 2023	972,239,070	977,151,270
Beginning balance at Dec. 31, 2023	$ 796,118	$ 6	2,975,302	(2,195,980)	37,626	$ (20,836)
Beginning balance (in shares) at Dec. 31, 2023	(4,912,200)					(4,912,200)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of ordinary shares upon vesting of restricted shares (in shares)		1,046,440
Issuance of ordinary shares upon vesting of restricted shares	$ 0	$ 0	0
Share-based compensation	17,980		17,980
Net loss	(53,471)			(53,471)
Foreign currency translation	$ 1,542				1,542
Ending balance (in shares) at Mar. 31, 2024	973,285,510	978,197,710
Ending balance at Mar. 31, 2024	$ 762,169	$ 6	$ 2,993,282	$ (2,249,451)	$ 39,168	$ (20,836)
Ending balance (in shares) at Mar. 31, 2024	(4,912,200)					(4,912,200)