Quarterly report pursuant to Section 13 or 15(d)

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

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Property and Equipment - Schedule of Construction in Progress (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Property Plant And Equipment [Line Items]    
Construction in progress $ 131,834 $ 155,716
Satellite system [Member]    
Property Plant And Equipment [Line Items]    
Construction in progress 12,912 12,912
Terrestrial repeater network [Member]    
Property Plant And Equipment [Line Items]    
Construction in progress 44,761 48,406
Capitalized software [Member]    
Property Plant And Equipment [Line Items]    
Construction in progress 50,761 77,755
Other [Member]    
Property Plant And Equipment [Line Items]    
Construction in progress $ 23,400 $ 16,643