BASIC AND DILUTED NET LOSS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Loss Per Share

	Year ended December 31,
	2017			2018			2019
Net loss available to shareholders of ordinary shares	$	(56,273	)	$	(37,120	)	$	(86,414	)
Denominator:
Shares used in computing net loss per ordinary shares, basic and diluted		45,552,199			48,017,188			50,504,698

Summary of Reconciliation of Basic Weighted Average Number of Shares

The following table summarizes the reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding.

	Year ended December 31,
	2017		2018		2019
Shares used in computing net loss per ordinary shares, basic and diluted		45,552,199		48,017,188		50,504,698
The following items have been excluded from the diluted weighted average number of shares outstanding because they are anti-dilutive:
Stock options		8,212,554		7,676,713		7,447,519
Restricted share units		2,081,646		2,090,512		2,125,440
		10,294,200		9,767,225		9,572,959