Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Schedule of Construction in Progress (Details)

v3.10.0.1
Property and Equipment - Schedule of Construction in Progress (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Construction in progress $ 419,641 $ 301,153
Satellite system    
Property, Plant and Equipment [Line Items]    
Construction in progress 276,627 183,243
Terrestrial repeater network    
Property, Plant and Equipment [Line Items]    
Construction in progress 4,037 2,515
Capitalized software and hardware    
Property, Plant and Equipment [Line Items]    
Construction in progress 116,692 94,456
Other    
Property, Plant and Equipment [Line Items]    
Construction in progress $ 22,285 $ 20,939