Share Capital - Schedule of Stock Options to Purchase Ordinary Shares (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Number of options
Number of options, Outstanding at beginning of year | shares	7,426,159
Number of options, Granted | shares	3,108,393
Number of options, Exercised | shares	(183,911)
Number of options, Forfeited and cancelled | shares	(215,812)
Number of options, Outstanding at ending of year | shares	10,134,829
Number of options, Exercisable options | shares	5,521,406
Number of options, Vested and expected to vest | shares	10,007,130
Weighted average exercise price
Weighted average exercise price, Outstanding at beginning of year | $ / shares	$ 3.98
Weighted average exercise price, Granted | $ / shares	18.01
Weighted average exercise price, Exercised | $ / shares	3.08
Weighted average exercise price, Forfeited and cancelled | $ / shares	8.81
Weighted average exercise price, Outstanding at end of year | $ / shares	8.20
Weighted average exercise price, Exercisable options | $ / shares	3.04
Weighted average exercise price, Vested and expected to vest | $ / shares	$ 8.11
Aggregate intrinsic value
Aggregate intrinsic value, Outstanding at end of year | $	$ 144,776
Aggregate intrinsic value, Exercisable options | $	106,684
Aggregate intrinsic value, Vested and expected to vest | $	$ 143,835