INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Tax credits	$ 1,400	$ 900	$ 1,300
Cash and cash equivalents	91,830	121,905	$ 233,467
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	628,700	625,500
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	267,300	254,100
Foreign
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 55,700	$ 47,800