FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Schedule of Reconciliation of Common Stock Warrant Liability and Derivative Liability Measured and Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Common Stock Warrant Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	$ 6,653	$ 26,610	$ 19,514	$ 53,664
Change in fair value	(5,322)	(7,539)	(18,183)	(34,593)
Fair value-end of period	1,331	19,071	1,331	19,071
Derivative Liabilities | Series A Derivative Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	232,100	497,100	408,800	0
Change in fair value	(76,900)	(103,000)	(253,600)	(103,000)
Issuance	0	0	0	497,100
Fair value-end of period	155,200	$ 394,100	155,200	$ 394,100
Derivative Liabilities | Series B Derivative Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	125,625		230,625
Change in fair value	(34,575)		(139,575)
Issuance	0		0
Fair value-end of period	$ 91,050		$ 91,050