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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 stock options activity |
|  | Number of options outstanding |  | Weighted- average exercise price (Per share) |  | Weighted- average remaining contractual term (In years) |  | Aggregate intrinsic value (In thousands)
Outstanding options as of December 31, 2024 |  | 1,322,176 |  |  | $ | 74.15 |  |  | 3.05 |  | $ | 74,838 |
Exercised |  | (420,056) |  |  | $ | 14.87 |  |  |  |  |
Outstanding options as of December 31, 2025 |  | 902,120 |  |  | $ | 101.75 |  |  | 2.87 |  | $ | 59,701 |
Options vested and exercisable as of December 31, 2025 |  | 902,120 |  |  | $ | 101.75 |  |  | 2.87 |  | $ | 59,701 |
Schedule of weighted average grant date fair value |
|  | Year Ended December 31,
|  | 2025 |  | 2024 |  | 2023 |  |
|  | (In thousands, except per share amounts)
Aggregate intrinsic value of stock options exercised (1) |  | $ | 41,976 |  |  | $ | 8,649 |  |  | $ | 15,242 |  |  |
Total estimated grant date fair value of options vested |  | $ | 844 |  |  | $ | 9,351 |  |  | $ | 28,619 |  |  |
____________________________________ (1) Aggregate intrinsic value represents the difference between the fair value of the Company’s Class A common stock as reported on the New York Stock Exchange and the exercise price of outstanding “in-the-money” options.
Schedule of restricted stock unit |
|  | Number of awards outstanding |  | Weighted- average grant date fair value (Per share) |  | Aggregate intrinsic value (In thousands)
Unvested RSUs as of December 31, 2024 |  | 18,386,271 |  |  | $ | 71.96 |  |  | $ | 1,394,966 |
Granted |  | 4,728,094 |  |  | $ | 119.02 |  |  |
Vested |  | (6,944,005) |  |  | $ | 84.28 |  |  |
Forfeited and canceled |  | (2,506,383) |  |  | $ | 78.06 |  |  |
Unvested RSUs as of December 31, 2025 |  | 13,663,977 |  |  | $ | 80.86 |  |  | $ | 1,943,564 |
Schedule of employee stock purchase plan | The Company used the following assumptions in the Black-Scholes option pricing model to estimate the fair value of the purchase rights issued under the 2016 ESPP:
|  | Year Ended December 31,
Employee Stock Purchase Plan: |  | 2025 |  | 2024 |  | 2023 |  |
Fair value of common stock |  | $116.34 - $120.22 |  | $61.54 - $96.41 |  | $47.36 - $61.55 |  |
Expected term (in years) |  | 0.50 |  | 0.50 |  | 0.50 |  |
Expected volatility |  | 57.8% - 58.7% |  | 38.6% - 41.8% |  | 45.8% - 57.1% |  |
Risk-free interest rate |  | 3.8% - 4.3% |  | 4.4% - 5.4% |  | 5.3% - 5.4% |  |
Schedule of stock based compensation expense | The Company recorded stock-based compensation expense as follows:
|  | Year Ended December 31,
|  | 2025 |  | 2024 |  | 2023
|  | (In thousands)
Cost of revenue |  | $ | 16,570 |  |  | $ | 22,001 |  |  | $ | 26,343 |
Research and development |  | 326,767 |  |  | 330,933 |  |  | 331,526 |
Sales and marketing |  | 136,998 |  |  | 135,331 |  |  | 183,389 |
General and administrative |  | 118,319 |  |  | 125,164 |  |  | 121,584 |
Restructuring costs |  | 1,753 |  |  | 3,178 |  |  | 13,015 |
Total |  | $ | 600,407 |  |  | $ | 616,607 |  |  | $ | 675,857 |

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