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Fair Value Measurements - Schedule of Financial Assets and Liabilities Subject to Fair Value Measurements on a Recurring Basis and the Level of Inputs Used (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Assets: |  |
Marketable investments: | $ 262,169 | $ 389,671
Liabilities: |  |
Warrant liabilities | 4,033 | 3,005
U.S. treasury securities |  |
Assets: |  |
Marketable investments: | 209,881 | 188,480
U.S. agency and government sponsored securities |  |
Assets: |  |
Marketable investments: |  | 4,924
Corporate bonds |  |
Assets: |  |
Marketable investments: | 43,857 | 109,909
Asset-backed securities |  |
Assets: |  |
Marketable investments: | 978 | 11,835
Fair Value, Recurring |  |
Assets: |  |
Total cash equivalents | 55,517 | 42,056
Marketable equity investments | 14,509 | 29,643
Total marketable investments | 276,678 | 419,314
Fair Value, Recurring | Private Warrants |  |
Liabilities: |  |
Warrant liabilities | 4,033 | 3,005
Fair Value, Recurring | U.S. treasury securities |  |
Assets: |  |
Marketable investments: | 209,881 | 188,480
Fair Value, Recurring | U.S. agency and government sponsored securities |  |
Assets: |  |
Marketable investments: |  | 4,924
Fair Value, Recurring | Commercial paper |  |
Assets: |  |
Marketable investments: | 7,453 | 74,523
Fair Value, Recurring | Corporate bonds |  |
Assets: |  |
Marketable investments: | 43,857 | 109,909
Fair Value, Recurring | Asset-backed securities |  |
Assets: |  |
Marketable investments: | 978 | 11,835
Fair Value, Recurring | Money market funds |  |
Assets: |  |
Total cash equivalents | 55,517 | 42,056
Level 1 | Fair Value, Recurring |  |
Assets: |  |
Total cash equivalents | 55,517 | 42,056
Marketable equity investments | 14,509 | 29,643
Total marketable investments | 224,390 | 218,123
Level 1 | Fair Value, Recurring | Private Warrants |  |
Liabilities: |  |
Warrant liabilities | 0 | 0
Level 1 | Fair Value, Recurring | U.S. treasury securities |  |
Assets: |  |
Marketable investments: | 209,881 | 188,480
Level 1 | Fair Value, Recurring | U.S. agency and government sponsored securities |  |
Assets: |  |
Marketable investments: |  | 0
Level 1 | Fair Value, Recurring | Commercial paper |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 1 | Fair Value, Recurring | Corporate bonds |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 1 | Fair Value, Recurring | Asset-backed securities |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 1 | Fair Value, Recurring | Money market funds |  |
Assets: |  |
Total cash equivalents | 55,517 | 42,056
Level 2 | Fair Value, Recurring |  |
Assets: |  |
Total cash equivalents | 0 | 0
Marketable equity investments | 0 | 0
Total marketable investments | 52,288 | 201,191
Level 2 | Fair Value, Recurring | Private Warrants |  |
Liabilities: |  |
Warrant liabilities | 0 | 0
Level 2 | Fair Value, Recurring | U.S. treasury securities |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 2 | Fair Value, Recurring | U.S. agency and government sponsored securities |  |
Assets: |  |
Marketable investments: |  | 4,924
Level 2 | Fair Value, Recurring | Commercial paper |  |
Assets: |  |
Marketable investments: | 7,453 | 74,523
Level 2 | Fair Value, Recurring | Corporate bonds |  |
Assets: |  |
Marketable investments: | 43,857 | 109,909
Level 2 | Fair Value, Recurring | Asset-backed securities |  |
Assets: |  |
Marketable investments: | 978 | 11,835
Level 2 | Fair Value, Recurring | Money market funds |  |
Assets: |  |
Total cash equivalents | 0 | 0
Level 3 | Fair Value, Recurring |  |
Assets: |  |
Total cash equivalents | 0 | 0
Marketable equity investments | 0 | 0
Total marketable investments | 0 | 0
Level 3 | Fair Value, Recurring | Private Warrants |  |
Liabilities: |  |
Warrant liabilities | 4,033 | 3,005
Level 3 | Fair Value, Recurring | U.S. treasury securities |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 3 | Fair Value, Recurring | U.S. agency and government sponsored securities |  |
Assets: |  |
Marketable investments: |  | 0
Level 3 | Fair Value, Recurring | Commercial paper |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 3 | Fair Value, Recurring | Corporate bonds |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 3 | Fair Value, Recurring | Asset-backed securities |  |
Assets: |  |
Marketable investments: | 0 | 0
Level 3 | Fair Value, Recurring | Money market funds |  |
Assets: |  |
Total cash equivalents | $ 0 | $ 0

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