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Related Party Transactions (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 09, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Related Party Transaction [Line Items] |  |  |
Contributions from non-controlling interests |  | $ 38.0 | $ 2.0
SRS Mobility Ventures, LLC | Subsidiary Equity |  |  |
Related Party Transaction [Line Items] |  |  |
Ownership acquired percentage | 33.34% |  |
Contributions from non-controlling interests | $ 37.5 |  |

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- Details
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