Related Party Transactions - Dish Network - Collocation and Antenna Space Agreements (Details) - DISH Network - Collocation and Antenna Space Agreements - renewal	1 Months Ended
	Mar. 31, 2021	Sep. 30, 2019	Aug. 31, 2017	Aug. 31, 2015
Related party transactions
Number of renewal terms				4
Term of renewal option (in years)			3 years	3 years
Termination notice required (days)			180 days
Cheyenne, Wyoming
Related party transactions
Number of renewal terms		4
Term of renewal option (in years)		3 years
Agreement term (in years)		5 years
Cheyenne, Wyoming And Gilbert, Arizona
Related party transactions
Number of renewal terms	4
Term of renewal option (in years)	3 years
Agreement term (in years)	5 years
Maximum
Related party transactions
Required renewal notice (days)			120 days
Maximum | Cheyenne, Wyoming
Related party transactions
Required renewal notice (days)		120 days
Maximum | Cheyenne, Wyoming And Gilbert, Arizona
Related party transactions
Required renewal notice (days)	120 days
Minimum
Related party transactions
Required renewal notice (days)			90 days
Minimum | Cheyenne, Wyoming
Related party transactions
Required renewal notice (days)		90 days
Minimum | Cheyenne, Wyoming And Gilbert, Arizona
Related party transactions
Required renewal notice (days)	90 days