SHARE BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands					3 Months Ended	12 Months Ended
	Dec. 29, 2021 hurdle $ / shares shares	Aug. 25, 2021 installment shares	Feb. 12, 2021 $ / shares	Aug. 05, 2020 shares	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019	Oct. 19, 2021	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 | $						$ 41,404	$ 1,027
Options granted (in shares)						208,000	4,359,000
Weighted average fair value, unvested options granted (in dollars per share) | $ / shares						$ 0.44	$ 0.44
Weighted average remaining contractual term, Outstanding options exercisable (in years)						6 years 9 months 18 days	7 years 9 months 18 days	7 years 10 months 24 days
Accrued bonus liabilities | $						$ 2,000
Full Recourse Promissory Note | Minimum | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Interest rate, stated percentage			0.48%
Full Recourse Promissory Note | Maximum | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Interest rate, stated percentage			0.56%
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price (in dollars per share) | $ / shares						$ 17.01
Shares to be issued based on stock price (in shares)						117,578
Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $						$ 637	$ 413
Unrecognized compensation cost related to unvested awards | $						$ 1,198
Unrecognized compensation expense, period of recognition						1 year 8 months 12 days
Weighted average fair value, unvested options granted (in dollars per share) | $ / shares						$ 0.48	$ 0.48
Restricted Common Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $					$ 12,330
Granted (in shares)						4,081,000
Fair value (in dollars per share) | $ / shares						$ 5.53
Expense recognized for prices below grant date fair value | $						$ 13,772
Restricted Common Stock Awards | Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Right to purchase (in dollars per share) | $ / shares			$ 0.29
Fair value (in dollars per share) | $ / shares			5.53
Weighted average issuance price (in dollars per share) | $ / shares			$ 0.29
Restricted Common Stock Awards | Investors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $						$ 282	$ 282
Granted (in shares)							531,834
Fair value (in dollars per share) | $ / shares						$ 1.06	$ 1.06
LTIP Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $						$ 63
Unrecognized compensation cost related to unvested awards | $						$ 39,000
Weighted average fair value, unvested options granted (in dollars per share) | $ / shares						$ 6.05
Restricted Stock Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, period of recognition						8 months 12 days
Granted (in shares)		4,135,000				4,525,000
Fair value (in dollars per share) | $ / shares						$ 9.62
Right to receive (in shares)		1
Unrecognized compensation expense | $						$ 24,311
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 | $						35,014
Earnout shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense | $						$ 5,244
Unrecognized compensation expense, period of recognition						8 months 12 days
Fair value (in dollars per share) | $ / shares						$ 11.52
Unrecognized compensation expense | $						$ 13,892
Aggregated grant date fair value | $						$ 19,136
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 Common Stock Awards
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
Options issued (in shares)						6,500,000
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, unvested options granted (in dollars per share) | $ / shares	6.05
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