INCOME TAXES - Schedule of Income Tax Reconciliation (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Tax at statutory federal rate	$ (201,214,000)	$ (181,041,000)
State tax, net of federal benefit	(76,530,000)	(70,917,000)
Stock-based compensation	6,404,000	23,822,000
Section 162(m) limitation	9,000	3,551,000
Divestiture of affiliate	0	(11,776,000)
Research and development credits, net of uncertain tax position	0	(13,822,000)
Warrant revaluation	(3,000)	(109,000)
Change in fair value of convertible debt instruments	4,014,000	60,204,000
Non-deductible interest expense	4,203,000	16,666,000
Net operating loss	6,918,000	0
Other	(405,000)	12,572,000
Change in valuation allowance	256,675,000	160,862,000
Income tax expense	$ 71,000.0	$ 12,000.0