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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |
Deferred income tax expense | $ 0 | $ 0
Valuation allowance increase | 26,000,000 | 14,200,000
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 | 284,500,000 |
Foreign | Australia |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 5,900,000 |
Federal | Prior to 2018 |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | 15,600,000 |
Federal | Post 2017 |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carryforwards | $ 83,200,000 |

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