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Supplemental Financial Information (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 4,570 | $ 4,570
Less: Accumulated depreciation and amortization | (2,438) | (2,086)
Net property and equipment | 2,132 | 2,484
Accrued Liabilities [Abstract] |  |
Accrued research and development services current | 4,257 | 12,251
Employee-related Liabilities, Current | 4,292 | 14,712
Operating Lease, Liability, Current | 909 | 1,175
Other Accrued Liabilities, Current | 2,023 | 2,309
Accrued Liabilities, Total | 11,481 | 30,447
Computers and software |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 2,003 | 2,003
Computers and software | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 3 years |
Computers and software | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 5 years |
Furniture and fixtures |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 389 | 389
Furniture and fixtures | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 5 years |
Furniture and fixtures | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 7 years |
Leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 2,178 | $ 2,178
Leasehold improvements | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 3 years |
Leasehold improvements | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Estimated Useful Lives | 7 years |

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