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Leases - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Apr. 07, 2020
Leases [Line Items] |  |  |  |  |  |
Operating and variable lease costs | $ 312 | $ 270 | $ 591 | $ 527 |  |
New York City |  |  |  |  |  |
Leases [Line Items] |  |  |  |  |  |
Renewal option period (in months) | 12 months |  | 12 months |  |  |
Increase in operating lease, right-of-use asset |  |  |  |  | $ 448 |
Incremental borrowing rate on operating leases (as a percent) | 6.00% |  | 6.00% |  |  |
Grafelfing, Germany |  |  |  |  |  |
Leases [Line Items] |  |  |  |  |  |
Lease term (in years) |  |  |  |  |  | 5 years
Increase in operating lease, right-of-use asset |  |  |  |  | $ 448 |
Planegg, Germany |  |  |  |  |  |
Leases [Line Items] |  |  |  |  |  |
Incremental borrowing rate on operating leases (as a percent) | 8.00% |  | 8.00% |  |  |

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