NET EARNINGS (LOSS) PER SHARE - Anti-Dilutive effect (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares		225,755,086	230,611,791
Options to purchase common stock and unvested RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares		27,017,355	26,053,787
Redeemable preferred stock and redeemable convertible preferred stock (as converted to common stock)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares		197,889,251	203,709,524
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares		848,480	848,480
Warrants and Earn-out shares excluded from computation	25,158,125
Earn-Out Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Warrants and Earn-out shares excluded from computation	30,000,000