Related Party Transactions - Narrative Part 1 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Trade accounts receivable	$ 626,375	$ 568,679
Trade accounts payable	315,661	266,417
Broadband, Wireless and Other Segments
Related Party Transaction [Line Items]
Expenses associated with services	72,000	54,000	$ 40,000
Office Space from DISH Network
Related Party Transaction [Line Items]
Expenses associated with services	7,000	3,000
EchoStar
Related Party Transaction [Line Items]
Satellite and transmission expenses	2,000	198,000	309,000
Trade accounts receivable	1,000	1,000
Trade accounts payable	1,000	3,000
Equipment sales and other revenue	$ 4,000	$ 6,000	$ 8,000