Quarterly report pursuant to Section 13 or 15(d)

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

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Property, Plant, and Equipment, net - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 275,656 $ 269,250
Accumulated depreciation (85,686) (74,221)
Property, plant, and equipment, net 189,970 195,029
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 6,639 6,869
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 2,144 2,187
Equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 130,395 128,046
Computer equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 11,484 10,661
Computer software    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 33,302 31,518
Automobiles    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 309 311
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 6,744 6,744
Albatross (Company-owned aircraft)    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 447 447
Satellite transponder    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 80,432 79,097
Other    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 3,760 $ 3,370