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Segment Information - Schedule of Property Plant and Equipment by Geographic Area (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]    
Property and equipment, net $ 1,575,258 $ 1,394,904
United States    
Segment Reporting, Asset Reconciling Item [Line Items]    
Property and equipment, net 1,330,808 1,217,952
All other countries    
Segment Reporting, Asset Reconciling Item [Line Items]    
Property and equipment, net $ 244,450 $ 176,952