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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Line Items] |  |  |  |
Income tax (expense) benefit | $ (2,751,000) | $ (3,860,000) | $ (64,000) |
Percentage of change in ownership | 50.00% |  |  |
Unrecognized tax benefits related to uncertain tax positions | $ 0 | $ 0 |  |
Federal Income Tax Authority [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryforwards | $ 985,956,000 |  |  | $ 1,680,000
Operating loss carryforwards, expiration year | 2026 |  |  |
Operating loss carryforwards indefinitely | $ 757,416,000 |  |  |
Federal Income Tax Authority [Member] | Research and Development [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforwards, amount | $ 12,853,000 |  |  |
Tax credit carryforwards, expiration year | 2027 |  |  |
State and Local Jurisdiction [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Net operating loss carryforwards | $ 45,747,000 |  |  | $ 6,391,000
Operating loss carryforwards, expiration year | 2024 |  |  |
State and Local Jurisdiction [Member] | Research and Development [Member] |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforwards, amount | $ 3,014,000 |  |  |
Tax credit carryforwards, expiration year | 2035 |  |  |

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