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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 01, 2025 shares | Jul. 26, 2021 shares | Jun. 30, 2021 USD ($) tranche day $ / shares shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Granted (in shares) | shares |  |  |  | 0 |  |
Aggregate intrinsic value, exercised | $ |  |  |  | $ 365,484 | $ 192,456 | $ 140,884
Unrecognized compensation cost, options | $ |  |  |  | 23 |  |
Unrecognized compensation cost | $ |  |  |  | 239,161 |  |
Closing trading price, specified calendar day | day |  |  | 60 |  |  |
Compensation expense | $ |  |  |  | $ 110,477 | 95,221 | 73,820
Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation cost, weighted-average period of recognition (in years) |  |  |  | 2 months |  |
Number of options available for grant (in shares) | shares |  |  |  | 8,951,000 |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 4 years |  |
Unrecognized compensation cost, weighted-average period of recognition (in years) |  |  |  | 3 years |  |
Unrecognized compensation expense, excluding options | $ |  |  |  | $ 239,138 |  |
Equity instruments other than options, grants in period (in shares) | shares |  |  |  | 719,000 |  |
Performance Based RSUs |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense, excluding options | $ |  |  |  | $ 16,936 |  |
Compensation expense | $ |  |  |  | $ 19,799 | $ 26,622 | $ 30,997
Performance Based RSUs | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award service period (in years) |  |  | 3 years 6 months 29 days |  |  |
Performance Based RSUs | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Award service period (in years) |  |  | 5 years 11 months 1 day |  |  |
Performance Based RSUs | Founders |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense, excluding options | $ |  |  | $ 110,817 |  |  |
Equity instruments other than options, grants in period (in shares) | shares |  |  | 1,800,000 |  |  |
Settlement period after vesting (in years) |  |  | 1 year |  |  |
Award vesting percentage (in percent) |  |  | 25.00% |  |  |
Number of tranches | tranche |  |  | 10 |  |  |
Award service period (in years) |  |  | 10 years |  |  |
Performance Based RSUs | Share-Based Payment Arrangement, Founders |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted average grant date fair value (in usd per share) | $ / shares |  |  | $ 61.56 |  |  |
2021 Plan | Common Class A |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock reserved for future issuance (in shares) | shares |  | 7,946,000 |  |  |  |
Share-based compensation, shares outstanding increase, maximum amount (in percent) |  | 5.00% |  |  |  |
2021 Plan | Common Class A | Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Additional shares authorized (in shares) | shares | 2,247,000 |  |  |  |  |
Employee Stock Purchase Plan | Common Class A |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock reserved for future issuance (in shares) | shares |  | 1,119,000 |  |  |  |
Share-based compensation, shares outstanding increase, maximum amount (in percent) |  | 1.00% |  |  |  |
2011 Equity Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period (in years) |  |  |  | 4 years |  |
Share-based compensation, term of award (in years) |  |  |  | 10 years |  |
Granted (in shares) | shares |  |  |  | 0 |  |

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