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

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration