CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 77,684	$ 7,122	$ 56,513	$ 44,474
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(43,727)	(249)	(35,135)	23,789
Unrealized gains (losses) on available-for-sale securities and other	547	(5,626)	15	14,406
Realized gains on available-for-sale securities in net income	(3)	(2)	(3)	(2,758)
Other-than-temporary impairment loss on available-for-sale securities in net income	0	0	0	3,298
Total other comprehensive income (loss), net of tax	(43,183)	(5,877)	(35,123)	38,735
Comprehensive income	34,501	1,245	21,390	83,209
Less: Comprehensive loss attributable to noncontrolling interest in HSS Tracking Stock	0	0	0	(655)
Less: Comprehensive income (loss) attributable to other noncontrolling interests	(123)	182	43	474
Comprehensive income attributable to EchoStar Corporation	$ 34,624	$ 1,063	$ 21,347	$ 83,390