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STOCK INCENTIVE PLANS - 2021 Incentive Plan and Matching Plan Narratives (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 14, 2025 | Jun. 14, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Nov. 30, 2021
2021 Incentive Plan | Class A Common Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Shares reserved for future issuance (in shares) |  |  | 24,293,896 |  | 24,293,896 |  | 20,879,081 | 11,676,932
2021 Incentive Plan | Class A Common Stock | Maximum |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Shares reserved for future issuance (in shares) |  |  |  |  |  |  |  | 87,576,990
Annual increase in shares reserved for future issuance (as a percent) |  |  |  |  |  |  |  | 6.00%
Matching Plan shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Employer share match rate (as a percent) |  |  | 1.50% |  | 1.50% |  |  |
Matching Plan shares | Class A Common Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Number of shares purchased (in shares) | 636,759 | 808,836 |  |  |  |  |  |
Shares purchase price (in dollars per share) | $ 2.29 | $ 1.35 |  |  |  |  |  |
Cash proceeds | $ 1.5 | $ 1.1 |  |  |  |  |  |
Matching Plan 1/20th Share Issuance | Class A Common Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Number of shares purchased (in shares) |  |  | 251,964 |  | 470,468 |  |  |
Options granted (in shares) |  |  |  | 157,138 |  | 267,222 |  |
Matching Plan - Discretionary Contributions | Class A Common Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |
Number of shares purchased (in shares) |  |  |  | 456,858 |  | 935,377 |  |
Options granted (in shares) |  |  | 65,535 |  | 243,734 |  |  |

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