Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Details)

v3.8.0.1
Property and Equipment - Additional Information (Details)
3 Months Ended
Mar. 31, 2018
USD ($)
satellite
Mar. 31, 2017
USD ($)
Property, Plant and Equipment [Abstract]    
Depreciation and amortization expense on property and equipment $ 66,350,000 $ 65,176,000
Disposal of property and equipment 0 13,811,000
Capitalized interest costs $ 2,254,000 $ 718,000
Number of owned satellites | satellite 5