Property and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Property, Plant and Equipment [Line Items]
Total depreciation expense	$ 129,887	$ 120,266	$ 262,255	$ 239,244
Capitalized interest	6,897	5,456	13,578	10,356
Satellites
Property, Plant and Equipment [Line Items]
Total depreciation expense	32,073	32,015	64,147	64,029
Finance lease amortization expense	7,205	6,402	13,218	12,892
Total depreciation expense	$ 39,278	$ 38,417	$ 77,365	$ 76,921