STOCKHOLDERS' EQUITY AND EQUITY INCENTIVE PLANS - Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity (Details) - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
RSUs Outstanding
Unvested and outstanding, beginning balance (in shares)		7,469,000
RSUs granted (in shares)		9,885,034
RSUs vested (in shares)		(2,599,073)
RSUs forfeited (in shares)	(634,807)
Unvested and outstanding, ending balance (in shares)	14,120,154	14,120,154
Weighted Average Grant Date Fair Value per Share
Unvested and outstanding, beginning balance (in dollars per share)		$ 2.72
RSU granted (in dollars per share)	$ 2.06
RSU vested (in dollars per share)	2.48
RSU forfeited (in dollars per share)	2.81
Unvested and outstanding, ending balance (in dollars per share)	$ 2.30	$ 2.30