RESTRUCTURING - Schedule of Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended					9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Expense	$ 17,822				$ 0	$ 21,450	$ 0
Employee Severance
Restructuring Cost and Reserve [Line Items]
Expense	$ 17,236	$ 1,581		$ 21,743
Office space reduction
Restructuring Cost and Reserve [Line Items]
Expense			$ 1,241