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Organization and Basis of Presentation (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2018 USD ($) subsidiary
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of wholly-owned subsidiaries | subsidiary |  | 2
Remeasurement gain | $ | $ 0.4 | $ 0.4

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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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