COMMON STOCK WARRANT LIABILITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Jul. 23, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 28, 2021	Sep. 30, 2017
Class of Warrant or Right [Line Items]
Number of warrants (in shares)	85,750,000
Warrant exercise price (in dollars per share)	$ 11.50				$ 1.94	$ 1.94
Sponsor earnback warrants (in shares)	14,783,333			14,783,333
Private Placement Warrants to purchase common stock
Class of Warrant or Right [Line Items]
Number of warrants (in shares)	44,350,000
Warrant exercise price (in dollars per share)	$ 11.50
Warrant liability	$ 812.0	$ 53.7	$ 140.6
Recognized gain (loss) from change in fair value of private placement warrant liability		$ 86.9	$ 1,254.2	$ (582.8)