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STOCK INCENTIVE PLANS - 2021 Incentive Plan and ESPP (Details) - shares | Jan. 01, 2022 | Dec. 31, 2021 | Nov. 30, 2021
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ESPP |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Employer share match rate (percent) |  | 1.50% |
Common Class A | 2021 Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares reserved for future issuance (shares) |  |  | 11,676,932
Common Class A | Maximum | 2021 Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares reserved for future issuance (shares) |  |  | 87,576,990
Common Class A | Subsequent Event | Maximum | 2021 Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Annual increase in shares reserved for future issuance (percent) | 6.00% |  |

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