Summary of Significant Accounting Policies - Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Revenues		$ 3,767,472		$ 11,459,537	$ 15,212,302
Net income (loss) attributable to DISH Network	$ 297,375	318,452	$ 713,206	1,142,446	1,497,939
As Previously Reported
Revenues		3,746,111		11,370,382	15,094,562
Net income (loss) attributable to DISH Network		307,426		1,107,180	1,449,853
Transferred Businesses
Revenues		21,361		89,155	117,740
Net income (loss) attributable to DISH Network		$ 11,026		$ 35,266	$ 48,086