Property and Equipment - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Depreciation and amortization expense
Depreciation and amortization expense	$ 154,181	$ 175,285	$ 457,022	$ 540,959
Equipment leased to customers
Depreciation and amortization expense
Depreciation and amortization expense	91,090	114,606	287,109	337,004
Satellites
Depreciation and amortization expense
Depreciation and amortization expense	25,321	25,085	62,956	75,257
Buildings, furniture, fixtures, equipment and other
Depreciation and amortization expense
Depreciation and amortization expense	$ 37,770	$ 35,594	$ 106,957	$ 128,698