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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Operating Loss Carryforwards [Line Items] |  |
Deferred income tax expense | $ 0 | $ 0
Valuation allowance increase | 18,000,000 | 26,000,000
Uncertain tax positions | 0 | $ 0
Uncertain tax positions that would impact effective tax rate | 0 |
Foreign | Germany |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 360,600,000 |
Foreign | Australia |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 5,600,000 |
United States | Prior to 2018 |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 15,600,000 |
United States | Post 2017 |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 89,900,000 |

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