Related Party Transactions (Details) $ in Millions		1 Months Ended														6 Months Ended
	Feb. 28, 2017	Feb. 28, 2022	Dec. 31, 2017	Aug. 31, 2017	May 31, 2017	Dec. 31, 2016	Nov. 30, 2016	Jul. 31, 2016	Aug. 31, 2015	Dec. 31, 2012	Oct. 31, 2012	May 31, 2012	Dec. 31, 2009	Sep. 30, 2009 transponder	Nov. 30, 2008 transponder	Jun. 30, 2018 term	Feb. 28, 2013 transponder	Mar. 31, 2012	Sep. 30, 2010 USD ($)
Hughes Broadband Distribution Agreement
Related party transactions
Agreement term											5 years
Required minimum notice for termination of agreement																180 days
Automatic renewal period																1 year
DISH Network | TT&C Agreement
Related party transactions
Minimum required notice period for termination of agreement by related party																12 months
Agreement term			1 month				1 year
DISH Network | TerreStar Agreement
Related party transactions
Minimum required notice period for termination of agreement by related party																21 days
Required minimum notice for termination of agreement																90 days
DISH Network | DBSD North America Agreement
Related party transactions
Minimum required notice period for termination of agreement by related party																120 days
Required minimum notice for termination of agreement																21 days
Ownership interest acquired by related party																		100.00%
DISH Network | RUS Implementation Agreement
Related party transactions
Grants receivable | $																			$ 14.1
DISH Network | Amended and Restated Professional Services Agreement
Related party transactions
Required minimum notice for termination of agreement																60 days
Automatic renewal period																1 year
Required minimum notice for termination of individual service																30 days
DISH Network | Collocation and Antenna Space Agreements
Related party transactions
Term of renewal option									4 years							3 years
Related Party Transactions Agreement, Termination Notice Required by Reporting Entity																180 days
DISH Network | Subsequent Event | DBSD North America Agreement
Related party transactions
Minimum required notice period for termination of agreement by related party		180 days
Agreement term		5 years
Hughes Retail Group | Hughes Retail Preferred Tracking Stock | DISH Network | Satellite and Tracking Stock Transaction
Related party transactions
Percentage of economic interest held	80.00%
Ciel | Satellite Capacity Lease Agreement [Member]
Related party transactions
Lessee, Operating Lease, Term of Contract												10 years
Maximum | DISH Network | Collocation and Antenna Space Agreements
Related party transactions
Required notice for renewal of agreement																120 days
Minimum | DISH Network | Collocation and Antenna Space Agreements
Related party transactions
Required notice for renewal of agreement																90 days
EchoStar XVI | DISH Network | Satellite Capacity Lease Agreement [Member]
Related party transactions
Lessor, Operating Lease, Term of Contract													10 years
Lessor, Operating Lease, Renewal Term					5 years			1 year
Agreement term from commencement of service date										4 years
Reduction in term of first renewal option								1 year
Additional term of renewal option																5 years
Nimiq5 [Member] | DISH Network | Satellite Capacity Lease Agreement [Member]
Related party transactions
Number of DBS transponders available to receive services														32
Nimiq5 [Member] | Telesat Canada | Satellite Capacity Lease Agreement [Member]
Related party transactions
Lessee, Operating Lease, Term of Contract														15 years
Number of DBS transponders available to receive services														32
QuetzSat-1 [Member] | DISH Network | Satellite Capacity Lease Agreement [Member]
Related party transactions
Number of DBS transponders currently receiving services															24
Number of DBS transponders currently receiving services subleased back from related party																	5
QuetzSat-1 [Member] | SES Latin America | Satellite Capacity Lease Agreement [Member]
Related party transactions
Lessee, Operating Lease, Term of Contract															10 years
Number of DBS transponders expected to receive services															32
Real Estate Leases to DISH Network | DISH Network | 100 Inverness Lease Agreement
Related party transactions
Required minimum notice for termination of agreement																180 days
Required minimum notice for termination or agreement if month-to-month																30 days
Real Estate Leases to DISH Network | DISH Network | Meridian Lease Agreement
Related party transactions
Lessor, Operating Lease, Term of Contract			1 year			1 year
Required minimum notice for termination or agreement if month-to-month																30 days
Real Estate Leases to DISH Network | DISH Network | Santa Fe Lease Agreement
Related party transactions
Lessor, Operating Lease, Term of Contract			1 year			1 year
Required minimum notice for termination or agreement if month-to-month																30 days
Real Estate Leases to DISH Network | DISH Network | Cheyenne Lease Agreement
Related party transactions
Required minimum notice for termination or agreement if month-to-month																30 days
Real Estate Leases from DISH Network | DISH Network | Cheyenne Lease Agreement
Related party transactions
Lessee, Operating Lease, Renewal Term																1 year
Number of successive one year renewal options | term																13
Real Estate Leases from DISH Network | DISH Network | Gilbert Lease Agreement
Related party transactions
Lessee, Operating Lease, Renewal Term																1 year
Number of successive one year renewal options | term																13
Real Estate Leases from DISH Network | DISH Network | American Fork Occupancy License Agreement
Related party transactions
Lessee, Operating Lease, Term of Contract				5 years