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Cash Equivalents and Investments - Schedule of AFS Debt Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
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Debt Securities, Available-for-sale |  |
Estimated fair value, less than 12 Months | $ 1,154,522 | $ 21,416
Unrealized losses, less than 12 months | (901) | (2)
Estimated fair value, 12 months or greater | 111,538 | 10,368
Unrealized losses, 12 months or greater | (363) | (6)
Estimated fair value, total | 1,266,060 | 31,784
Unrealized losses, total | (1,264) | (8)
Certificates of deposit |  |
Debt Securities, Available-for-sale |  |
Estimated fair value, less than 12 Months | 57,807 | 9,720
Unrealized losses, less than 12 months | (43) | 0
Estimated fair value, 12 months or greater | 0 | 2,000
Unrealized losses, 12 months or greater | 0 | 0
Estimated fair value, total | 57,807 | 11,720
Unrealized losses, total | (43) | 0
Corporate bonds |  |
Debt Securities, Available-for-sale |  |
Estimated fair value, less than 12 Months | 33,190 | 9,084
Unrealized losses, less than 12 months | (43) | (2)
Estimated fair value, 12 months or greater | 103,526 | 8,368
Unrealized losses, 12 months or greater | (306) | (6)
Estimated fair value, total | 136,716 | 17,452
Unrealized losses, total | (349) | (8)
Commercial paper |  |
Debt Securities, Available-for-sale |  |
Estimated fair value, less than 12 Months | 593,826 | 2,612
Unrealized losses, less than 12 months | (569) | 0
Estimated fair value, 12 months or greater | 0 | 0
Unrealized losses, 12 months or greater | 0 | 0
Estimated fair value, total | 593,826 | 2,612
Unrealized losses, total | (569) | $ 0
U.S. government and agency securities |  |
Debt Securities, Available-for-sale |  |
Estimated fair value, less than 12 Months | 469,699 |
Unrealized losses, less than 12 months | (246) |
Estimated fair value, 12 months or greater | 8,012 |
Unrealized losses, 12 months or greater | (57) |
Estimated fair value, total | 477,711 |
Unrealized losses, total | $ (303) |

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