Share Capital - Schedule of Stock Options to Purchase Ordinary Shares (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of options
Number of options, outstanding at beginning of year (in shares)	14,438,215
Number of options, granted (in shares)	1,552,987
Number of options, exercised (in shares)	(5,466,170)
Number of options, forfeited and cancelled (in shares)	(174,222)
Number of options, outstanding at ending of year (in shares)	10,350,810	14,438,215
Number of options, exercisable options (in shares)	3,217,923
Weighted average exercise price
Weighted average exercise price, outstanding at beginning of year (in usd per share)	$ 13.56
Weighted average exercise price, granted (in usd per share)	50.45	$ 23.73	$ 10.53
Weighted average exercise price, exercised (in usd per share)	10.83
Weighted average exercise price, forfeited and cancelled (in usd per share)	22.11
Weighted average exercise price, outstanding at end of year (in usd per share)	20.40	$ 13.56
Weighted average exercise price, exercisable options (in usd per share)	$ 15.55
Aggregate intrinsic value
Aggregate intrinsic value, outstanding at beginning of year
Aggregate intrinsic value, outstanding at end of year	661,150
Aggregate intrinsic value, exercisable options	$ 221,146