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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2025
Equity [Abstract] |
Schedule of Reserved Shares of Common Stock for Future Issuance | As of December 31, 2025 and 2024, the Company had reserved shares of common stock for future issuance as follows:
| December 31,
| 2025 |  | 2024
Options, RSUs and PSUs outstanding | 20,174,662 |  |  | 20,759,819 |
Shares available for future grants | 92,889,210 |  |  | 84,272,083 |
Shares subject to the employee stock purchase plan | 23,194,449 |  |  | 20,342,607 |
Total shares of common stock reserved for future issuance | 136,258,321 |  |  | 125,374,509 |
Schedule of Stock Option Activity and Weighted Average Exercise Prices | The following table summarizes the Company's stock option activity and weighted-average exercise prices:
| Number of Options Outstanding |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Life (in Years) |  | Aggregate Intrinsic Value (in thousands)
Balance—December 31, 2024 | 6,953,119 |  | $ | 4.55 |  |  | 3.0 |  | $ | 961,910 |
Options granted | — |  |  | — |  |  |  |  |
Options exercised | (3,478,500) |  | 1.84 |  |  |  |  |
Options forfeited or expired | — |  |  | — |  |  |  |  |
Balance—December 31, 2025 | 3,474,619 |  | $ | 7.26 |  |  | 3.0 |  | $ | 447,294 |
Exercisable—December 31, 2025 | 3,474,619 |  | $ | 7.26 |  |  | 3.0 |  | $ | 447,294 |
Schedule of Activity for Unvested RSUs | The following table summarizes the activity for the Company’s unvested RSUs and PSUs:
| Shares |  | Weighted-Average Fair Value |  | Aggregate Intrinsic Value (in thousands)
Unvested and outstanding balance as of December 31, 2024 | 13,806,700 |  | $ | 116.09 |  |  | $ | 1,972,839 |
Awarded | 9,951,174 |  | 128.13 |  |  |
Vested | (5,595,469) |  | 113.50 |  |  |
Forfeited/canceled | (1,462,362) |  | 116.34 |  |  |
Unvested and outstanding balance as of December 31, 2025 | 16,700,043 |  | $ | 124.10 |  |  | $ | 2,271,039 |
Schedule of Share-Based Payment Arrangement, Performance Shares, Activity | The following table summarizes the activity for the Company’s unvested RSUs and PSUs:
| Shares |  | Weighted-Average Fair Value |  | Aggregate Intrinsic Value (in thousands)
Unvested and outstanding balance as of December 31, 2024 | 13,806,700 |  | $ | 116.09 |  |  | $ | 1,972,839 |
Awarded | 9,951,174 |  | 128.13 |  |  |
Vested | (5,595,469) |  | 113.50 |  |  |
Forfeited/canceled | (1,462,362) |  | 116.34 |  |  |
Unvested and outstanding balance as of December 31, 2025 | 16,700,043 |  | $ | 124.10 |  |  | $ | 2,271,039 |
Schedule of Stock-based Compensation Expense | Stock-based comp ensation was included in the consolidated statement of operations as follows (in thousands):
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
Cost of revenue | $ | 29,729 |  |  | $ | 26,221 |  |  | $ | 17,578 |
Research and development | 469,526 |  |  | 363,301 |  |  | 313,096 |
Sales and marketing | 156,472 |  |  | 122,079 |  |  | 101,937 |
General and administrative | 94,944 |  |  | 58,735 |  |  | 49,689 |
Stock-based compensation, net of amounts capitalized | 750,671 |  |  | 570,336 |  |  | 482,300 |
Capitalized stock-based compensation | 23,454 |  |  | 13,152 |  |  | 13,597 |
Total stock-based compensation | $ | 774,125 |  |  | $ | 583,488 |  |  | $ | 495,897 |

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