INCOME TAXES - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating loss carryforwards	$ 111,236	$ 114,856
Tax credit carryforwards	29,455	9,174
Stock-based compensation	11,942	9,812
Capital research expenditures	15,997	0
Allowances and other	19,399	20,988
Lease obligation	24,232	23,868
Total deferred tax assets	212,261	178,698
Valuation allowance	(188,070)	(154,734)	$ (123,803)	$ (88,433)
Net deferred tax assets	24,191	23,964
Deferred tax liabilities:
Depreciation and amortization	(9,402)	(3,212)
ROU assets	(14,731)	(20,696)
Total deferred tax liabilities	(24,133)	(23,908)
Total deferred tax assets	$ 58	$ 56