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Related Party Transaction (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Dec. 31, 2019
Jun. 30, 2019
IRS Tax Indemnification | Chief Executive Officer      
Related Party Transaction [Line Items]      
Income taxes paid $ 0.6    
Due from related parties     $ 2.4
IRS Tax Indemnification      
Related Party Transaction [Line Items]      
Loss contingency accrual $ 1.8 $ 1.8 $ 2.4