Property and Equipment and Intangible Assets - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Depreciation and amortization expense
Depreciation and amortization expense	$ 192,972	$ 204,630
Equipment leased to customers
Depreciation and amortization expense
Depreciation and amortization expense	110,521	136,134
Satellites
Depreciation and amortization expense
Depreciation and amortization expense	25,086	29,012
Buildings, furniture, fixtures, equipment and other
Depreciation and amortization expense
Depreciation and amortization expense	$ 57,365	$ 39,484