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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Option Activity | Option activity for the year ended December 31, 2025 is as follows (in thousands, except per share data):
| Number of Options |  | Weighted Average Exercise Price (Per Share) |  | Weighted Average Remaining Contractual Life (Years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2025 | 25,164,415 |  | $ | 0.29 |  |  | 1.21 |  | $ | 1,030,511 |
Exercised | (22,938,436) |  | 0.10 |  |  |  |
Forfeited and expired | — |  | — |  |  |  |
Outstanding at December 31, 2025 | 2,225,979 |  | $ | 2.27 |  |  | 3.25 |  | $ | 67,215 |
Exercisable at December 31, 2025 | 2,225,979 |  | $ | 2.27 |  |  | 3.39 |  | $ | 67,215 |
Schedule of Restricted Stock Unit Activity | Restricted stock unit activity for the year ended December 31, 2025 is as follows:
| Number of Units |  | Weighted Average Grant Date Fair Value
Unvested and outstanding at January 1, 2025 | 17,421,450 |  |  | $ | 28.33 |
Granted | 8,059,711 |  |  | 32.82 |
Vested | (7,162,263) |  |  | 28.39 |
Forfeited | (3,768,443) |  |  | 29.20 |
Unvested and outstanding at December 31, 2025 | 14,550,455 |  |  | $ | 30.56 |
Schedule of Employee Stock Purchase Plan, Valuation Assumptions | The fair value of employee options granted under the ESPP is based on a 15% purchase discount off the grant date quoted trading price of the Company’s Series A common stock and is estimated using the Black-Scholes option-pricing model with the following assumptions:
| Year Ended December 31,
| 2025 | 2024
Risk-free rate | 3.96% 5.33% | 4.79% - 5.33%
Expected term | 0.5 - 1.0 years | 0.5 - 1.0 years
Volatility | 45.90% - 60.32% | 45.90% - 64.12%
Expected dividends | — |  | — |
Schedule of Stock-Based Compensation Expense | Stock-based compensation included in the Consolidated Statements of Operations and Comprehensive Loss is as follows (in thousands):
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
Cost of revenue | $ | 7,891 |  |  | $ | 8,917 |  |  | $ | 24,973 |
Selling and marketing | 49,725 |  |  | 40,907 |  |  | 107,954 |
Research and development | 68,178 |  |  | 50,693 |  |  | 120,184 |
General and administrative | 36,237 |  |  | 34,695 |  |  | 87,688 |
Stock-based compensation, net of amounts capitalized | 162,031 |  |  | 135,212 |  |  | 340,799 |
Capitalized stock-based compensation expense | 4,416 |  |  | 3,555 |  |  | 1,349 |
Total stock-based compensation expense | $ | 166,447 |  |  | $ | 138,767 |  |  | $ | 342,148 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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