STOCK-BASED COMPENSATION - Earn-Out Shares (Details) - Earn-Out Shares $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	7,377,888
Granted (in shares) | shares	38,220
Forfeited (in shares) | shares	(296,685)
Outstanding at end of period (in shares) | shares	7,119,423
Weighted-Average Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 5.67
Granted (in dollars per share) | $ / shares	0.17
Forfeited (in dollars per share) | $ / shares	5.73
Outstanding at end of period (in dollars per share) | $ / shares	$ 5.64
Unrecognized compensation cost | $	$ 3.9
Period for recognition (in years)	1 year 1 month 6 days