CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Class A and B Common Stock	Hughes Retail Preferred Tracking Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Earnings	Treasury Stock	Noncontrolling Interest in HSS Tracking Stock	Other Noncontrolling Interests
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 3,781,642	$ 99	$ 6	$ 3,776,451	$ (117,233)	$ 134,317	$ (98,162)	$ 74,854	$ 11,310
Exercise of stock options	2,315	1		2,314
Employee benefits	11,126			11,126
Employee Stock Purchase Plan	4,020			4,020
Stock-based compensation	4,384			4,384
R&D tax credits utilized by DISH Network	(691)			(691)
Other, net	(451)			(451)
Net income	48,443					49,155		(823)	111
Foreign currency translation adjustments	11,624				11,624
Unrealized losses and impairment on available-for-sale securities, net and other	(744)				(744)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,861,668	100	6	3,797,153	(106,353)	183,472	(98,162)	74,031	11,421
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	4,006,805	100	6	3,828,677	(124,803)	314,247	(98,162)	73,910	12,830
Exercise of stock options	28,038	1		28,037
Employee benefits	11,199			11,199
Employee Stock Purchase Plan	2,409			2,409
Stock-based compensation	956			956
Cumulative effect of adoption of ASU 2016-09 as of January 1, 2017	14,508					14,508
Reacquisition and retirement of Tracking Stock pursuant to Share Exchange Agreement	(300,076)		6	(226,815)		0		73,255
R&D tax credits utilized by DISH Network	(93)			(93)
Net income	37,352					37,715		(655)	292
Foreign currency translation adjustments	24,038				24,038
Unrealized losses and impairment on available-for-sale securities, net and other	20,574				20,574
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 3,845,710	$ 101	$ 0	$ 3,644,370	$ (80,191)	$ 366,470	$ (98,162)	$ 0	$ 13,122