STOCK-BASED COMPENSATION - Summary of Company's Stock Option Activity (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2022 $ / shares shares	Dec. 31, 2021 $ / shares shares
Options
Outstanding at beginning of period (in shares) | shares	9,163,160
Granted (in shares) | shares	0
Exercised (in shares) | shares	(1,158,772)
Forfeited (in shares) | shares	(188,209)
Expired (in shares) | shares	(80,406)
Outstanding at end of period (in shares) | shares	7,735,773	9,163,160
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 5.13
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	0.52
Forfeited (in dollars per share) | $ / shares	12.46
Expired (in dollars per share) | $ / shares	14.62
Outstanding at end of period (in dollars per share) | $ / shares	$ 5.55	$ 5.13
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options, exercisable (in shares) | shares	5,823,768
Options, vested and expected to vest (in shares) | shares	7,735,773
Weighted average exercise price, exercisable (in dollars per share) | $ / shares	$ 3.71
Weighted average exercise price, vested and expected to vest (in dollars per share) | $ / shares	$ 5.55
Weighted average remaining contractual term (years), outstanding	6 years 3 months 29 days	6 years 4 months 24 days
Weighted average remaining contractual term (years), exercisable	5 years 9 months
Weighted average remaining contractual term (years), vested and expected to vest	6 years 3 months 29 days