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Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2016
Jun. 30, 2017
Dec. 31, 2016
Related Party Transaction [Line Items]        
Related party interest expense $ 7.6 $ 15.1    
Other Assets        
Related Party Transaction [Line Items]        
Receivables from related party     $ 0.5 $ 0.9