Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (16,725)	$ (13,228)
Weighted-average number of common shares used in computing net loss per share, basic and diluted	89,638	94,263
Net loss per share, basic and diluted	$ (0.19)	$ (0.14)