Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Details)

v3.6.0.2
Property and Equipment - Additional Information (Details)
12 Months Ended
Dec. 31, 2016
USD ($)
satellite
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Property, Plant and Equipment [Line Items]      
Depreciation expense on property and equipment $ 220,434,000 $ 220,514,000 $ 211,407,000
Disposal of property and equipment 843,129,000 43,833,000 19,398,000
Loss on disposal of assets 12,912,000 7,384,000 0
Asset impairment charges 0 0 0
Capitalized interest costs $ 419,000 $ 0 $ 0
Number of owned satellites | satellite 5    
Satellite system      
Property, Plant and Equipment [Line Items]      
Disposal of property and equipment $ 801,206,000