Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Details)

v3.10.0.1
Property and Equipment - Additional Information (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
satellite
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
satellite
Sep. 30, 2017
USD ($)
Property, Plant and Equipment [Abstract]        
Depreciation and amortization expense on property and equipment $ 69,772,000 $ 71,947,000 $ 204,883,000 $ 198,544,000
Disposal of property and equipment     0 77,040,000
Capitalized interest costs $ 3,097,000 $ 1,324,000 $ 8,252,000 $ 3,047,000
Number of owned satellites | satellite 5   5