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Revenue Recognition - Summary of Deferred Revenue Balances Offset with Contract Asset (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Revenue Recognition [Abstract] |  |  |  |  |  |
Gross deferred revenue | $ 124,920 | $ 113,585 | $ 61,291 | $ 82,207 | $ 90,785 | $ 63,970
Gross contract assets | (65,124) |  | (24,551) |  |  |
Deferred revenue, net | $ 59,796 |  | $ 36,740 |  |  |

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