INCOME TAXES - Components of Loss before Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Domestic	$ (191,132)	$ (287,569)	$ (289,187)
Foreign	2,711	1,104	264
Loss before provision for (benefit from) income taxes	$ (188,421)	$ (286,465)	$ (288,923)