SUPPLEMENTAL BALANCE SHEET AND CASH FLOW INFORMATION - Additional Prepaid Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid insurance	$ 2,818	$ 3,822
Electric deposits	$ 0	$ 1,400
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other assets	Prepaid expenses and other assets
Warrant Asset	$ 477	$ 0
Other prepaid expenses	569	1,044
Prepaid expenses and other assets	$ 3,864	$ 6,266