INCOME TAXES - Effective Tax Rate Reconciliation, Prior To Adoption Of ASU 2023-09 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
U.S. federal income tax rate (benefit) provision at statutory rate	$ (9,546)	$ (6,382)	$ (9,120)
Foreign income and losses taxed at different rates	2,331	8,348	6,842
State income taxes, net of federal benefits, and state tax credits	2,002	6,592	3,709
Change in valuation allowances		3,589	87,993
Effect of income tax rate changes on deferred items	3,685	449	(104)
Adjustments related to uncertain tax positions	(4,222)	(1,133)	(5,117)
Non-deductible stock-based compensation expense		3,527	1,728
Tax (windfalls)/shortfalls on stock-based compensation awards		(370)	1,606
Federal research and development credits, net of adjustments		0	0
Forgiveness of intercompany liabilities		0	(43)
Tax attribute expiration		0	0
Asset impairments		0	(82,988)
Non-deductible or non-taxable items	68	8,847	5,002
Convertible debt payoff		2,656	0
Provision (benefit) for income taxes	$ 35,625	$ 26,123	$ 9,508