CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Ordinary Shares	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total
Balances at Dec. 31, 2021	$ 1	$ 1,387,469		$ (1,726,043)	$ (338,573)
Balances (in shares) at Dec. 31, 2021	74,435
Increase (Decrease) in Stockholders' Equity
Repurchase of ordinary shares, net of transaction costs		(128,830)			(128,830)
Repurchase of ordinary shares, net of transaction costs (in shares)	(12,739)
Proceeds from ESPP purchases		802			802
Proceeds from ESPP purchases (in shares)	118
Employee share-based compensation expense		39,734			39,734
Issuance of restricted shares (in shares)	3,764
Repurchase of shares to satisfy tax withholding		(3,450)			(3,450)
Repurchase of shares to satisfy tax withholding (in shares)	(351)
Net unrealized loss on marketable securities			$ (15)		(15)
Net Income (Loss)				872,132	872,132
Balances at Dec. 31, 2022	$ 1	1,295,725	(15)	(853,911)	$ 441,800
Balances (in shares) at Dec. 31, 2022	65,227				65,227
Increase (Decrease) in Stockholders' Equity
Repurchase of ordinary shares, net of transaction costs	$ (1)	(197,051)			$ (197,052)
Repurchase of ordinary shares, net of transaction costs (in shares)	(18,634)
Proceeds from ESPP purchases		619			619
Proceeds from ESPP purchases (in shares)	86
Employee share-based compensation expense		25,371			25,371
Issuance of restricted shares (in shares)	1,651
Repurchase of shares to satisfy tax withholding		(2,500)			(2,500)
Repurchase of shares to satisfy tax withholding (in shares)	(239)
Net unrealized loss on marketable securities			(50)		(50)
Net Income (Loss)				(55,193)	(55,193)
Balances at Dec. 31, 2023		$ 1,122,164	$ (65)	$ (909,104)	$ 212,995
Balances (in shares) at Dec. 31, 2023	48,091				48,091