Organization and Business Activities (Details) - segment		9 Months Ended
	Feb. 28, 2017	Sep. 30, 2018
Related party transactions
Number of business segments		2
Hughes Retail Group | DISH Network | Satellite And Tracking Stock Transaction | Hughes Retail Preferred Tracking Stock
Related party transactions
Percentage of economic interest in the Hughes Retail Group	80.00%
EchoStar Technologies Business | DISH Network | Share Exchange Agreement
Related party transactions
Ownership interest acquired by related party	100.00%