FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Schedule of Reconciliation of Common Stock Warrant Liability Measured and Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Common Stock Warrant Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	$ 19,514	$ 53,664
Change in fair value	(19,514)	(34,150)
Fair value-end of period	0	19,514
Derivative Liabilities | Series A Derivative Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	408,800	0
Change in fair value	(398,000)	(88,300)
Issuance	0	497,100
Fair value-end of period	10,800	408,800
Derivative Liabilities | Series B Derivative Liability
Level 3 Liabilities [Roll Forward]
Fair value-beginning of period	230,625	0
Change in fair value	(225,225)	(67,050)
Issuance	0	297,675
Fair value-end of period	$ 5,400	$ 230,625