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Debt (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 09, 2024 | Sep. 30, 2020 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Debt |  |  |  |  |  |  |
Term loan | $ 30,000 |  |  |  |  |  |
Basis spread variable rate |  | 4.55% |  |  |  |  |
End term charge rate |  | 5.00% |  |  |  |  |
Accrued and unpaid interest | 100 |  |  |  |  |  |
End-of-term charge | 1,500 |  |  | $ 946 |  |  |
Prepayment charge | 300 |  |  |  |  |  |
Total aggregate payment | $ 31,900 |  | $ 31,863 |  |  |  |
Loss on extinguishment of debt |  |  | 954 |  |  |  |
Minimum |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Debt instrument stated percentage |  | 8.05% |  |  |  |  |
Maximum |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Term loan |  | $ 30,000 |  |  |  | $ 30,000 | $ 30,000
Debt instrument stated percentage |  | 9.05% |  |  |  |  |
Initial Term Loan |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Interest expense |  |  | $ 1,600 | $ 3,100 | $ 3,200 |  |
Loan and Security Agreement | Term Loan |  |  |  |  |  |  |
Debt |  |  |  |  |  |  |
Maximum borrowing |  | $ 75,000 |  |  |  |  |

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