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Fair Value Measures and Disclosures - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets |  |
Money market funds | $ 39,215 | $ 207,471
Fair Value | 72,478 | 15,483
Assets, Fair Value Disclosure | 111,693 | 222,954
Liabilities |  |
Contingent earnout liabilities | 53,377 | 111,487
Total financial liabilities | 64,213 | 133,192
U.S. Treasury securities |  |
Assets |  |
Fair Value | 35,131 | 8,141
Corporate bonds |  |
Assets |  |
Fair Value | 37,347 | 7,342
Public |  |
Liabilities |  |
Warrant liabilities | 6,986 | 14,318
Private Placement |  |
Liabilities |  |
Warrant liabilities | 3,605 | 7,387
2022 Private Warrant |  |
Liabilities |  |
Warrant liabilities | 245 |
Level 1 |  |
Assets |  |
Money market funds | 39,215 | 207,471
Assets, Fair Value Disclosure | 74,346 | 215,612
Liabilities |  |
Contingent earnout liabilities | 0 | 0
Total financial liabilities | 6,986 | 14,318
Level 1 | U.S. Treasury securities |  |
Assets |  |
Fair Value | 35,131 | 8,141
Level 1 | Corporate bonds |  |
Assets |  |
Fair Value | 0 | 0
Level 1 | Public |  |
Liabilities |  |
Warrant liabilities | 6,986 | 14,318
Level 1 | Private Placement |  |
Liabilities |  |
Warrant liabilities | 0 | 0
Level 1 | 2022 Private Warrant |  |
Liabilities |  |
Warrant liabilities |  |
Level 2 |  |
Assets |  |
Money market funds | 0 | 0
Assets, Fair Value Disclosure | 37,347 | 7,342
Liabilities |  |
Contingent earnout liabilities | 0 | 0
Total financial liabilities | 0 | 0
Level 2 | U.S. Treasury securities |  |
Assets |  |
Fair Value | 0 | 0
Level 2 | Corporate bonds |  |
Assets |  |
Fair Value | 37,347 | 7,342
Level 2 | Public |  |
Liabilities |  |
Warrant liabilities | 0 | 0
Level 2 | Private Placement |  |
Liabilities |  |
Warrant liabilities | 0 | 0
Level 2 | 2022 Private Warrant |  |
Liabilities |  |
Warrant liabilities |  |
Level 3 |  |
Assets |  |
Money market funds | 0 | 0
Assets, Fair Value Disclosure | 0 | 0
Liabilities |  |
Contingent earnout liabilities | 53,377 | 111,487
Total financial liabilities | 57,227 | 118,874
Level 3 | U.S. Treasury securities |  |
Assets |  |
Fair Value | 0 | 0
Level 3 | Corporate bonds |  |
Assets |  |
Fair Value | 0 | 0
Level 3 | Public |  |
Liabilities |  |
Warrant liabilities | 0 | 0
Level 3 | Private Placement |  |
Liabilities |  |
Warrant liabilities | 3,605 | $ 7,387
Level 3 | 2022 Private Warrant |  |
Liabilities |  |
Warrant liabilities | $ 245 |

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