Share Capital - Schedule of Stock Options to Purchase Ordinary Shares (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares
Number of options
Number of options, Outstanding at beginning of year | shares	10,134,829
Number of options, Granted | shares	2,596,600
Number of options, Exercised | shares	(1,045,187)
Number of options, Forfeited and cancelled | shares	(308,888)
Number of options, Outstanding at ending of year | shares	11,377,354
Number of options, Exercisable options | shares	5,979,150
Number of options, Vested and expected to vest | shares	11,163,577
Weighted average exercise price
Weighted average exercise price, Outstanding at beginning of year | $ / shares	$ 8.20
Weighted average exercise price, Granted | $ / shares	12.97
Weighted average exercise price, Exercised | $ / shares	0.51
Weighted average exercise price, Forfeited and cancelled | $ / shares	16.81
Weighted average exercise price, Outstanding at end of year | $ / shares	9.76
Weighted average exercise price, Exercisable options | $ / shares	5.78
Weighted average exercise price, Vested and expected to vest | $ / shares	$ 9.71
Aggregate intrinsic value
Aggregate intrinsic value, Outstanding at end of year | $	$ 20,302
Aggregate intrinsic value, Exercisable options | $	19,664
Aggregate intrinsic value, Vested and expected to vest | $	$ 20,256