NET LOSS PER SHARE - Antidilutive Securities Excluded from Earnings per Share (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	126,145,618	177,417,887	1,029,381,821
Convertible preferred stock (on an as-converted basis)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	0	0	957,159,704
Convertible preferred stock warrants (on an as-converted basis)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	0	0	1,546,799
Private Placement Warrants to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	0	44,350,000	0
Options outstanding to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	39,011,116	64,119,902	70,675,318
RSUs outstanding
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	38,570,298	32,210,200	0
Employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	11,826,419	0	0
If-converted common shares from convertible note
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation amount (in shares)	36,737,785	36,737,785	0