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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Jul. 31, 2024 | Dec. 31, 2023
Other Commitments [Line Items] |  |  |  |  |  |
Operating lease, weighted average remaining lease term (in years) | 4 years 7 months 6 days |  | 4 years 7 months 6 days |  |  | 5 years 6 months
Operating lease, weighted average discount rate (in percent) | 7.00% |  | 7.00% |  |  | 7.10%
Leases that had not yet commenced | $ 1.1 |  | $ 1.1 |  | $ 6.0 |
Leases that had not yet commenced, term of contract (in years) | 3 years |  | 3 years |  | 5 years |
Leases that had not yet commenced, remainder of the year |  |  |  |  | $ 1.4 |
Purchase obligation, to be paid, remainder of fiscal year | $ 0.3 |  | $ 0.3 |  |  |
Purchase obligation, to be paid, year one | 0.9 |  | 0.9 |  |  |
Plan contributions | $ 0.5 | $ 0.5 | 1.5 | $ 1.4 |  |
Meaningful Works | Related Party |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |
Payments to related party |  |  | $ 0.2 |  |  |

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