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Income Taxes - Other details (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2024 | Dec. 31, 2020
Income Taxes |  |  |  |
Effective income tax rate reconciliation, at federal statutory income tax rate, percent | 21.00% | 21.00% |  |
Goodwill | $ 0 | $ 5,700 |  |
IPR&D |  |  | $ 19,800 |
Deferred tax assets, valuation allowance | 11,326 | 28,351 |  |
Undistributed Earnings of Foreign Subsidiaries |  | $ 0 |  |
In-process R&D |  |  |  |
Income Taxes |  |  |  |
IPR&D | 19,800 |  | $ 19,800 |
Tax Year 2018 |  |  |  |
Income Taxes |  |  |  |
Operating loss carryforwards | 72,700 |  |  |
Limitation on operating loss carryforwards | 3,900 |  |  | $ 155,600
Tax Year 2021 |  |  |  |
Income Taxes |  |  |  |
Limitation on operating loss carryforwards | 1,800 |  |  |
Foreign |  |  |  |
Income Taxes |  |  |  |
Operating loss carryforwards | 35,400 |  |  |
Foreign | Tax Year 2021 |  |  |  |
Income Taxes |  |  |  |
Increase (Decrease) In Deferred Tax Assets | 3,500 |  |  |
Federal |  |  |  |
Income Taxes |  |  |  |
Operating loss carryforwards | 1,800 |  |  |
Deferred tax assets, valuation allowance | 11,300 |  |  |
Change in valuation allowance | 17,000 |  |  |
Federal | Tax Year 2021 |  |  |  |
Income Taxes |  |  |  |
Net operating loss write off | 22,000 |  |  |
Increase (Decrease) In Deferred Tax Assets | 1,600 |  |  |
V C N |  |  |  |
Income Taxes |  |  |  |
Goodwill | 0 |  |  |
V C N | In-process R&D |  |  |  |
Income Taxes |  |  |  |
IPR&D | 17,400 |  |  |
V C N | Foreign |  |  |  |
Income Taxes |  |  |  |
Operating loss carryforwards | $ 35,400 |  |  |
Scenario, Plan |  |  |  |
Income Taxes |  |  |  |
Effective income tax rate reconciliation, at federal statutory income tax rate, percent | 21.00% | 21.00% |  |

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