SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Out of period adjustment
Shares used in computing diluted net income per share (in shares)	153,918	81,222
Shares used in computing basic net income per share (in shares)	151,296	81,111
Diluted net loss per share (in dollars per share)	$ (0.03)	$ (0.51)
Basic net loss per share (in dollars per share)	$ (0.03)	(0.51)
Revision of Prior Period, Adjustment
Out of period adjustment
Shares used in computing diluted net income per share (in shares)	10,200
Shares used in computing basic net income per share (in shares)	10,200
Diluted net loss per share (in dollars per share)		0.07
Basic net loss per share (in dollars per share)		$ 0.07