Property and Equipment - Depreciation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Property, Plant and Equipment [Line Items]
Total depreciation expense	$ 132,368	$ 118,978
Capitalized interest	6,681	4,901
Satellites
Property, Plant and Equipment [Line Items]
Total depreciation expense	32,073	32,015
Finance lease amortization expense	6,013	6,490
Total depreciation expense	$ 38,086	$ 38,505