SHARE BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands					3 Months Ended
	Dec. 29, 2021 hurdle $ / shares shares	Oct. 19, 2021 shares	Aug. 25, 2021 installment shares	Aug. 05, 2020 shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) $ / shares	Dec. 31, 2021 USD ($)	Aug. 17, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange ratio		1.0944
Requisite service period					4 years
Stock based compensation expense | $					$ 25,326	$ 1,835
Unrecognized compensation cost | $						7,400
Options granted (in shares)					0
Accrued bonus liabilities | $					$ 2,500		$ 2,000
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price (in dollars per share) | $ / shares					$ 10.28
Shares to be issued based on stock price (in shares)					241,287
Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $					$ 124	$ 139
Unrecognized compensation cost | $					$ 1,300
Unrecognized compensation expense, period of recognition					2 years 1 month 6 days
Weighted-average fair value of warrants granted (in dollars per share) | $ / shares						$ 0.48
LTIP Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $					$ 1,400
Unrecognized compensation cost | $					$ 51,500
Unrecognized compensation expense, period of recognition					9 years 8 months 12 days
Weighted-average fair value of warrants granted (in dollars per share) | $ / shares					$ 8.13
Restricted Stock Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $					$ 14,700
Unrecognized compensation expense, period of recognition					2 years 3 months 10 days
Granted (in shares)			4,135,000		3,535,000
Right to receive (in shares)			1
Fair value (in dollars per share) | $ / shares					$ 10.72
Restricted Stock Unit Awards | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Awards subject to vesting (in shares)			3,500,000
Installments, vesting | installment			3
Restricted Stock Unit Awards | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			6 months
Awards subject to vesting (in shares)			500,000
Restricted Stock Unit Awards | Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards subject to vesting (in shares)			52,500
Restricted Stock Unit Awards | Share-based Payment Arrangement, Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Awards subject to vesting (in shares)			82,500
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $					$ 16,200	$ 1,400
Earnout shares (potentially issuable common shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $					6,300
Unrecognized compensation expense, period of recognition						7 months 6 days
Aggregated grant date fair value | $					$ 19,100
Fair value (in dollars per share) | $ / shares					$ 11.52
2020 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares (in shares)				18,899,285
2020 Equity Incentive Plan | Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				48 months
Options expiration period					10 years
Options issued (in shares)		11,276,706
2020 Equity Incentive Plan | Option | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratio					0.25
2020 Equity Incentive Plan | Option | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratio					0.02
2020 Equity Incentive Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options issued (in shares)		4,525,344
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares (in shares)								16,334,527
Shares of common stock subject to awards forfeited, expire or lapse (in shares)								15,802,050
Shares of common stock outstanding, percentage								4.00%
2021 Equity Incentive Plan | LTIP Options | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period	7 years
Options granted (in shares)	6,500,000
Number of price hurdles | hurdle	10
Exercise price (in dollars per share) | $ / shares	$ 15.51
Weighted-average fair value of warrants granted (in dollars per share) | $ / shares	8.13
2021 Equity Incentive Plan | LTIP Options | Minimum | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price hurdles (in dollars per share) | $ / shares	15
2021 Equity Incentive Plan | LTIP Options | Maximum | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price hurdles (in dollars per share) | $ / shares	$ 60