Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, net - Schedule of Property, Plant and Equipment (Details)

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Property and Equipment, net - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Gross balance $ 317,015 $ 300,613
Accumulated depreciation (146,969) (124,036)
Property, plant, and equipment, net 170,046 176,577
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Gross balance 11,112 6,579
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Gross balance 2,729 2,147
Equipment    
Property, Plant and Equipment [Line Items]    
Gross balance 156,483 156,029
Computer equipment    
Property, Plant and Equipment [Line Items]    
Gross balance 16,993 18,561
Computer software    
Property, Plant and Equipment [Line Items]    
Gross balance 47,468 38,475
Automobiles    
Property, Plant and Equipment [Line Items]    
Gross balance 303 293
Buildings    
Property, Plant and Equipment [Line Items]    
Gross balance 7,065 8,005
Albatross (Company-owned aircraft)    
Property, Plant and Equipment [Line Items]    
Gross balance 456 447
Satellite transponders    
Property, Plant and Equipment [Line Items]    
Gross balance 70,806 62,306
Other    
Property, Plant and Equipment [Line Items]    
Gross balance $ 3,600 $ 7,771