Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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STOCK INCENTIVE PLANS - RSU Narratives (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Nov. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Nov. 09, 2021	Apr. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)						25,204,250
The 2019 Option Plan \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)					16,856,770
The 2019 Option Plan \| Common Stock, LT50
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)					16,856,770
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Grant (shares)	5,666,260
Vesting period (years)			8 years
Share-based compensation expense not yet recognized			$ 282.0
Share-based compensation not yet recognized, recognition period (years)			6 years 11 months 1 day
Restricted stock units \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award
Grant (shares)	2,833,130		4,351,040
Restricted stock units \| Common Stock, LT50
Share-based Compensation Arrangement by Share-based Payment Award
Grant (shares)	2,833,130		4,323,260
Restricted stock units \| The 2019 Option Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)		8,679,380
Grant (shares)		2,980,260		0
Restricted stock units \| The 2019 Option Plan \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)		4,339,690
Grant (shares)		1,490,130
Restricted stock units \| The 2019 Option Plan \| Common Stock, LT50
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized (shares)		4,339,690
Restricted stock units \| 2021 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award
Grant (shares)	27,780			0
Vesting period (years)	3 years