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Equity Incentive Plans - Summary of Activity Under Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Options and Restricted Stock Units Available for Grant |  |  |  |  |
Options and Restricted Stock Units Available for Grant, plan shares expired (in shares) |  |  | (1,176,888,000) |  |
Options and Restricted Stock Units Available for Grant, forfeited (in shares) |  |  | 219,279,000 |  |
Number of Options |  |  |  |  |
Options granted (in shares) |  |  | 29,638 |  |
Weighted- Average Exercise Price Per Share |  |  |  |  |
Weighted-average exercise price per share, options exercised (in dollars per share) | $ 13.79 | $ 12.63 | $ 10.16 | $ 8.34 |
2020 Plan and 2014 Plan |  |  |  |  |
Options and Restricted Stock Units Available for Grant |  |  |  |  |
Options and Restricted Stock Units Available for Grant, Beginning Balance (in shares) |  |  | 6,065,150,000 |  |
Options and Restricted Stock Units Available for Grant, Additional shares authorized (in shares) |  |  | 4,768,241,000 |  |
Options and Restricted Stock Units Available for Grant, granted (in shares) |  |  | (1,642,952,000) |  |
Options and Restricted Stock Units Available for Grant, exercised (in shares) |  |  | 15,288,000 |  |
Options and Restricted Stock Units Available for Grant, Ending Balance (in shares) | 7,641,966,000 |  | 7,641,966,000 |  | 6,065,150,000
Number of Options |  |  |  |  |
Beginning balance (in shares) |  |  | 9,314,836,000 |  |
Options granted (in shares) |  |  | 1,642,952,000 |  |
Number of Options, exercised |  |  | (876,113,000) |  |
Number of Options, forfeited |  |  | (219,279,000) |  |
Ending balance (in shares) | 9,862,396,000 |  | 9,862,396,000 |  | 9,314,836,000
Number of Options, Vested and expected to vest | 9,862,396,000 |  | 9,862,396,000 |  |
Number of Options, Exercisable | 4,897,258,000 |  | 4,897,258,000 |  |
Weighted- Average Exercise Price Per Share |  |  |  |  |
Weighted-Average Exercise Price Per Share, Beginning Balance (in dollars per share) |  |  | $ 25.35 |  |
Weighted-Average Exercise Price Per Share, Options granted (in dollars per share) |  |  | 72.27 |  |
Weighted-average exercise price per share, options exercised (in dollars per share) |  |  | 10.16 |  |
Weighted-Average Exercise Price Per Share, Options forfeited (in dollars per share) |  |  | 43.10 |  |
Weighted-Average Exercise Price Per Share, Ending Balance (in dollars per share) | $ 34.12 |  | 34.12 |  | $ 25.35
Weighted-Average Exercise Price Per Share, Vested and expected to vest (in dollars per share) | 34.12 |  | 34.12 |  |
Weighted-Average Exercise Price Per Share, Exercisable (in dollars per share) | $ 21.41 |  | $ 21.41 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |
Weighted-Average Remaining Contractual Term (Years) |  |  | 7 years 9 months 7 days |  | 7 years 9 months
Weighted-Average Remaining Contractual Term (Years), Vested and expected to vest |  |  | 7 years 9 months 7 days |  |
Weighted-Average Remaining Contractual Term (Years), Exercisable |  |  | 6 years 9 months 25 days |  |
Aggregate Intrinsic Value | $ 408,223 |  | $ 408,223 |  | $ 348,868
Aggregate Intrinsic Value, Vested and expected to vest | 408,223 |  | 408,223 |  |
Aggregate Intrinsic Value, Exercisable | $ 264,933 |  | $ 264,933 |  |
2020 Plan and 2014 Plan | Restricted Stock Units |  |  |  |  |
Options and Restricted Stock Units Available for Grant |  |  |  |  |
Options and Restricted Stock Units Available for Grant, granted (in shares) |  |  | (700,547,000) |  |
Options and Restricted Stock Units Available for Grant, forfeited (in shares) |  |  | 40,160,000 |  |
Options and Restricted Stock Units Available for Grant, units withheld (in shares) |  |  | 54,235,000 |  |

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