STOCK BASED COMPENSATION - Options (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock-based compensation
Options granted (in shares)			767,913
Stock-based compensation expense	$ 2,856	$ 2,645	$ 7,164	$ 8,328
Unrecognized stock-based compensation balance for unvested options	9,900	20,200	$ 9,900	$ 20,200
Weighted-average fair value of options granted (in dollars per share)			$ 1.79	$ 10.01
Options
Stock-based compensation
Stock-based compensation expense	$ 2,500	$ 2,200	$ 6,200	$ 7,000
Weighted Average Remaining Recognition Period (in years)			2 years 3 months 18 days	2 years 6 months