Basic and Diluted Net Loss Per Share - Schedule of Basic and Diluted Net Loss Per Ordinary Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Net loss attributable to ordinary shares as reported	$ (111,581)	$ (80,682)	$ (77,370)
Shares used in computing net loss per ordinary share, basic and diluted	30,401,603	12,490,017	11,498,392
Net loss per ordinary share, basic and diluted	$ (3.67)	$ (6.46)	$ (6.73)