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Organization and Basis of Presentation (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) wholly-ownedSubsidiary | Sep. 30, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Number of wholly-owned subsidiaries | wholly-ownedSubsidiary |  |  | 2 |
Remeasurement loss | $ | $ 0.9 | $ 1.1 | $ 2.8 | $ 3.2

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- Definition Number of wholly owned subsidiaries. + References No definition available. + Details
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- References No definition available. + Details
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