RESTRUCTURING - Restructuring Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring Reserve [Roll Forward]
Restructuring liabilities - beginning of period	$ 23,939		$ 0
Restructuring charges excluding non-cash items	1,532		25,471
Cash payments	(23,766)		(23,766)
Restructuring liabilities - end of period	1,705		1,705
Non-cash items, net			1,400
Accelerated stock-based compensation expense			3,400
Stock-based compensation expense reversal	$ (71,376)	$ (94,392)	(125,195)	$ (268,943)
Unvested Restricted Stock Award
Restructuring Reserve [Roll Forward]
Stock-based compensation expense reversal			$ 4,800