GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands, shares in Millions		9 Months Ended
	Jun. 17, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Acquisitions, net of cash		$ (863,258)	$ 0
Goodwill		$ 2,427,450		$ 1,270,532
Hyperconnect, Inc.
Business Acquisition [Line Items]
Business combination, purchase price	$ 1,750,000
Acquisitions, net of cash	$ (863,300)
Issuance of common stock for the acquisition of Hyperconnect (shares)	5.9
Goodwill	$ 1,200,000
Intangible assets acquired	615,000
Business combination, deferred tax liabilities	135,400
Net assets acquired	$ 31,200