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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax [Line Items] |  |  |
Charitable contribution carryforwards | $ 40,956 | $ 42,677 |
Federal R&D credit carryforwards | 75,600 |  |
State Research and Development Credit Carryforwards | 2,300 |  |
Increase in valuation allowance of deferred tax assets | 900 |  |
Unrecognized tax reserves recorded during period | 18,000 | 5,100 | $ 4,100
Deferred tax assets | 6,800 | 1,200 |
Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Federal R&D credit carryforwards | 500 |  |
Federal |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 196,800 |  |
Remaining net operating loss carryforward, expiration year | 2031 |  |
Federal | Operating Loss Carryforwards Expiring 2031 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 29,400 | 167,400 |
State |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 456,300 |  |
Remaining net operating loss carryforward, expiration year | 2024 |  |
Charitable contribution carryforwards | $ 174,800 |  |
Research and development credit carryforwards with no expiration date | 20,300 |  |
State | Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 454,400 |  |
State | Operating Loss Carryforwards Expiring 2031 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards |  | $ 1,900 |
Foreign |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | 845,100 |  |
Net operating loss carryforwards with no expiration date | 6,500 |  |
Foreign | Operating Loss Carryforwards Expiring 2024 |  |  |
Income Tax [Line Items] |  |  |
Operating loss carryforwards | $ 231,600 |  |

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