Supplemental Financial Information - Other Current Assets, Net and Other Non-current Assets, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Other current assets, net:
Inventory	$ 110,001	$ 103,084
Prepaids and deposits	59,957	57,287
Trade accounts receivable - DISH Network	5,590	4,244
Other receivables - DISH Network	12,705	12,705
Other, net	21,652	21,124
Total other current assets	209,905	198,444
Other non-current assets, net:
Capitalized software, net	120,965	124,701
Contract acquisition costs, net	80,572	82,986	$ 94,593	$ 99,837
Other receivables - DISH Network, noncurrent	76,536	77,920
Restricted marketable investment securities	13,327	13,262
Deferred tax assets, net	5,684	5,417
Restricted cash	2,150	980
Contract fulfillment costs, net	1,655	1,721
Other, net	34,905	31,254
Total other non-current assets, net	$ 335,794	$ 338,241