Annual report pursuant to Section 13 and 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 ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment $ 269,250,000 $ 197,917,000  
Accumulated depreciation (74,221,000) (31,868,000)  
Property, plant, and equipment, net 195,029,000 166,049,000  
Amortization expense 5,100,000 3,600,000 $ 1,700,000
Asset impairment charges 0 4,100,000 0
Capitalized software development costs 7,400,000 5,000,000 $ 3,300,000
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 6,869,000 5,737,000  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 2,187,000 1,332,000  
Equipment      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 128,046,000 86,339,000  
Computer equipment      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 10,661,000 8,002,000  
Computer software      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 31,518,000 18,207,000  
Capital leased assets 1,000,000 1,000,000  
Capital leased assets, Accumulated amortization 700,000 400,000  
Automobiles      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 311,000 325,000  
Buildings      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 6,744,000 7,039,000  
Albatross (aircraft)      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 447,000 425,000  
Satellite transponder      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 79,097,000 62,131,000  
Capital leased assets 2,000,000    
Capital leased assets, Accumulated amortization 600,000 600,000  
Construction in-progress      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 3,370,000 8,380,000  
Internally developed software      
Property, Plant and Equipment [Line Items]      
Total property, plant, and equipment 18,100,000 10,700,000  
Accumulated depreciation $ (11,400,000) $ (6,300,000)