INCOME TAXES - Reconciliation between Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Computed expected income tax benefit	$ (21,890)	$ (39,568)	$ (60,120)
State income taxes - net of federal income tax benefit	(5,230)	(6,175)	(10,197)
Change in valuation allowance	50,681	42,855	81,251
Non-deductible expenses	1,859	4,489	2,687
Non-deductible base erosion expenses	4,481	11,403	0
Non-deductible officers’ compensation	9,885	12,775	3,648
Stock-based compensation	(8,676)	(9,678)	135
Tax credits (federal and state)	(21,049)	(18,226)	(16,853)
Foreign rate differential	(102)	40	35
Return-to-provision	(8,127)	3,110	(7)
Other	(57)	248	(113)
Provision for income taxes	$ 1,775	$ 1,273	$ 466