BUSINESS COMBINATION (Details) $ / shares in Units, $ in Millions		9 Months Ended
	Jul. 13, 2021 USD ($) $ / shares shares	Sep. 30, 2021 $ / shares shares
Reverse Recapitalization [Line Items]
Awards converted (in shares)	29,000,000.0
Exchange ratio	0.4604
Gross proceeds | $	$ 656.3
Transaction costs | $	$ 70.4
Common stock issued (in shares)	55,000,000
Common stock issued, price (in dollars per share) | $ / shares	$ 10.00
Purchase price | $	$ 550.0
Units outstanding (in shares)	23,974,362
Number of shares of common stock contained in each unit (in shares)	1
Number of warrants contained in each unit (in shares)	0.3333
Warrants, sale price (in dollars per share) | $ / shares	$ 1.50
Warrants, exercise price (in dollars per share) | $ / shares	$ 11.50
Public Warrants
Reverse Recapitalization [Line Items]
Warrants outstanding (in shares)	7,991,544
Warrants, exercise price (in dollars per share) | $ / shares	$ 11.50
Private Warrants
Reverse Recapitalization [Line Items]
Warrants outstanding (in shares)	4,529,950
Warrants, exercise price (in dollars per share) | $ / shares	$ 11.50
Common Class A
Reverse Recapitalization [Line Items]
Stock converted (in shares)	190,000,000.0
Stock converted, conversion ratio	1
Warrants outstanding (in shares)		12,521,494
Common Class A | Share-based Payment Arrangement, Tranche One
Reverse Recapitalization [Line Items]
Nonvested awards, stock price milestone (in dollars per share) | $ / shares		$ 12.50
Common Class A | Share-based Payment Arrangement, Tranche Two
Reverse Recapitalization [Line Items]
Nonvested awards, stock price milestone (in dollars per share) | $ / shares		15.00
Common Class A | Share-based Payment Arrangement, Tranche Three
Reverse Recapitalization [Line Items]
Nonvested awards, stock price milestone (in dollars per share) | $ / shares		$ 17.50
Earnout Share
Reverse Recapitalization [Line Items]
Nonvested awards (in shares)		9,000,000
Earnout Share | Share-based Payment Arrangement, Tranche One
Reverse Recapitalization [Line Items]
Nonvested awards (in shares)		3,000,000
Earnout Share | Share-based Payment Arrangement, Tranche Two
Reverse Recapitalization [Line Items]
Nonvested awards (in shares)		3,000,000
Earnout Share | Share-based Payment Arrangement, Tranche Three
Reverse Recapitalization [Line Items]
Nonvested awards (in shares)		3,000,000
Earnout Share | Common Class A
Reverse Recapitalization [Line Items]
Trading period		20 days
Consecutive trading period		30 days
Expiration period		5 years