FAIR VALUE MEASUREMENTS - Schedule of liabilities with unobservable inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 14,270	$ 75,211
New warrants granted	2,905	25,669
Repricing warrants granted	724	0
Equity component of the convertible senior note	0	(78,789)
Change in valuation of warrants included in net income	(7,992)	(7,821)
Balance at end of period	$ 9,907	$ 14,270