Share Option Plans and ESPP - Schedule of Stock Option Plan (Details)	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Number of options
Number of options, beginning outstanding (in shares) | shares	9,220,326
Number of options, granted (in shares) | shares	386,909
Number of options, exercised (in shares) | shares	(798,511)
Number of options, forfeited and canceled (in shares) | shares	(88,627)
Number of options, ending outstanding (in shares) | shares	8,720,097
Number of options, exercisable options (in shares) | shares	5,101,756
Weighted average exercise price
Weighted average exercise price, beginning outstanding (in usd per share) | $ / shares	$ 26.21
Weighted average exercise price, granted (in usd per share) | $ / shares	154.71
Weighted average exercise price, exercised (in usd per share) | $ / shares	20.75
Weighted average exercise price, forfeited and canceled (in usd per share) | $ / shares	58.14
Weighted average exercise price, ending outstanding (in usd per share) | $ / shares	32.09
Weighted average exercise price, exercisable options (in usd per share) | $ / shares	$ 18.81