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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax [Line Items] |  |  |
Federal and state income tax provision | $ 31,600 | $ 10,300 | $ 2,500
Valuation allowance | 454,966 | 482,089 |
Charitable contribution carryforwards | 40,008 | 40,956 |
Federal R&D credit carryforwards | 36,200 |  |
State Research and Development Credit Carryforwards | 2,400 |  |
Unrecognized tax reserves recorded during period | 300 | 18,000 | $ 5,100
Deferred tax assets | 8,700 | 6,800 |
Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Federal R&D credit carryforwards | 200 |  |
Federal |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 130,200 |  |
Remaining net operating loss carryforward, expiration year | 2031 |  |
Federal | Operating Loss Carryforwards Expiring 2031 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 14,700 | 115,400 |
State |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 453,900 |  |
Remaining net operating loss carryforward, expiration year | 2028 |  |
Charitable contribution carryforwards | $ 166,400 |  |
Research and development credit carryforwards with no expiration date | 21,500 |  |
State | Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 452,300 |  |
State | Operating Loss Carryforwards Expiring 2031 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards |  | $ 1,600 |
Foreign |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 475,200 |  |
Net operating loss carryforwards with no expiration date | 9,000 |  |
Foreign | Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 145,300 |  |

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