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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Issued (in shares) |  |  | 937,000 |
Options issued, weighted average exercise price per share (in dollars per share) |  |  | $ 177.79 |
Total unrecognized compensation cost related to unvested stock options | $ 159,700 |  | $ 159,700 |
Stock based compensation expense | 391,441 | $ 264,194 | 1,135,078 | $ 558,157
Share based payment arrangement, capitalized | $ 26,300 | 700 | $ 97,700 | 1,500
Class A common stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Issued (in shares) | 143,751 |  | 937,247 |
Options issued, weighted average exercise price per share (in dollars per share) | $ 42.69 |  | $ 83.25 |
Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation vesting period |  |  | 3 years |
Vesting rights, percentage |  |  | 8.33% |
Unrecognized compensation cost, weighted-average period of recognition |  |  | 2 years 4 months 24 days |
Number of shares subject to repurchase (in shares) | 213,757 |  | 213,757 |
Value of shares related to repurchase | $ 4,300 |  | $ 4,300 |
Share-based Payment Arrangement | Chief Executive Officer |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation expense | 1,000 | $ 22,200 | $ 2,900 | $ 28,500
RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost, weighted-average period of recognition |  |  | 1 year 10 months 24 days |
Total unrecognized compensation cost | 841,300 |  | $ 841,300 |
RSUs | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation vesting period |  |  | 1 year |
RSUs | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation vesting period |  |  | 4 years |
Restricted common stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation vesting period |  |  | 3 years |
Unrecognized compensation cost, weighted-average period of recognition |  |  | 1 year 7 months 6 days |
Total unrecognized compensation cost | 163,100 |  | $ 163,100 |
ESPP |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock plan offering period |  |  | 24 months |
Accumulated payroll deductions | $ 8,600 |  | $ 8,600 |
ESPP | Class A common stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Discount on purchase price of common stock |  |  | 15.00% |

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