Property and Equipment - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Depreciation and amortization expense
Depreciation and amortization expense	$ 109,919	$ 125,016	$ 336,552	$ 382,970
Equipment leased to customers
Depreciation and amortization expense
Depreciation and amortization expense	60,616	71,551	188,405	220,722
Satellites
Depreciation and amortization expense
Depreciation and amortization expense	23,797	23,796	71,390	71,389
Buildings, furniture, fixtures, equipment and other
Depreciation and amortization expense
Depreciation and amortization expense	$ 25,506	$ 29,669	$ 76,757	$ 90,859