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Income Taxes - Schedule of Net Loss Before Income Tax Based on Jurisdictions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |
Net loss before income tax | $ (93,612) | $ (120,408)
Federal | United States |  |
Income Tax Contingency [Line Items] |  |
Net loss before income tax | (12,859) | (47,049)
Foreign | Germany |  |
Income Tax Contingency [Line Items] |  |
Net loss before income tax | (76,970) | (67,448)
Foreign | Foreign |  |
Income Tax Contingency [Line Items] |  |
Net loss before income tax | $ (3,783) | $ (5,911)

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- Definition Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.20) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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