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Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Assets, fair value | $ 89,971 | $ 115,436
Liabilities: |  |
Liabilities, fair value | 1,127 | 698
Derivative liabilities for exit fees |  |
Liabilities: |  |
Liabilities, fair value | 1,127 | 698
Money market funds |  |
Assets: |  |
Assets, fair value | 60,976 | 71,175
Commercial paper |  |
Assets: |  |
Assets, fair value | 20,538 | 31,935
U.S. government-sponsored agency bonds |  |
Assets: |  |
Assets, fair value | 1,479 |
Corporate bonds |  |
Assets: |  |
Assets, fair value | 996 | 7,022
U.S. treasury notes |  |
Assets: |  |
Assets, fair value | 5,982 |
Asset backed securities |  |
Assets: |  |
Assets, fair value |  | 5,304
Level 1 |  |
Assets: |  |
Assets, fair value | 60,976 | 71,175
Liabilities: |  |
Liabilities, fair value | 0 | 0
Level 1 | Derivative liabilities for exit fees |  |
Liabilities: |  |
Liabilities, fair value | 0 | 0
Level 1 | Money market funds |  |
Assets: |  |
Assets, fair value | 60,976 | 71,175
Level 1 | Commercial paper |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 1 | U.S. government-sponsored agency bonds |  |
Assets: |  |
Assets, fair value | 0 |
Level 1 | Corporate bonds |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 1 | U.S. treasury notes |  |
Assets: |  |
Assets, fair value | 0 |
Level 1 | Asset backed securities |  |
Assets: |  |
Assets, fair value |  | 0
Level 2 |  |
Assets: |  |
Assets, fair value | 28,995 | 44,261
Liabilities: |  |
Liabilities, fair value | 0 | 0
Level 2 | Derivative liabilities for exit fees |  |
Liabilities: |  |
Liabilities, fair value | 0 | 0
Level 2 | Money market funds |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 2 | Commercial paper |  |
Assets: |  |
Assets, fair value | 20,538 | 31,935
Level 2 | U.S. government-sponsored agency bonds |  |
Assets: |  |
Assets, fair value | 1,479 |
Level 2 | Corporate bonds |  |
Assets: |  |
Assets, fair value | 996 | 7,022
Level 2 | U.S. treasury notes |  |
Assets: |  |
Assets, fair value | 5,982 |
Level 2 | Asset backed securities |  |
Assets: |  |
Assets, fair value |  | 5,304
Level 3 |  |
Assets: |  |
Assets, fair value | 0 | 0
Liabilities: |  |
Liabilities, fair value | 1,127 | 698
Level 3 | Derivative liabilities for exit fees |  |
Liabilities: |  |
Liabilities, fair value | 1,127 | 698
Level 3 | Money market funds |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 3 | Commercial paper |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 3 | U.S. government-sponsored agency bonds |  |
Assets: |  |
Assets, fair value | 0 |
Level 3 | Corporate bonds |  |
Assets: |  |
Assets, fair value | 0 | 0
Level 3 | U.S. treasury notes |  |
Assets: |  |
Assets, fair value | $ 0 |
Level 3 | Asset backed securities |  |
Assets: |  |
Assets, fair value |  | $ 0

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