SUPPLEMENTAL FINANCIAL INFORMATION - Other Current Assets, Net and Other Non-current Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Other current assets, net:
Inventory	$ 151,508	$ 123,606
Prepaids and deposits	68,741	61,877
Trade accounts receivable - DISH Network	238,967	236,479
Other, net	15,581	21,471
Total other current assets	244,347	210,446
Other non-current assets, net:
Capitalized software, net	117,645	116,841
Contract acquisition costs, net	56,919	64,447	$ 74,702	$ 82,986
Other receivables - DISH Network, noncurrent	76,808	74,923
Other receivables, net	24,854	15,072
Restricted marketable investment securities	11,455	11,056
Deferred tax assets, net	8,768	8,011
Restricted cash	1,373	1,342
Contract fulfillment costs, net	1,858	1,931
Other, net	26,538	23,439
Total other non-current assets, net	326,218	317,062
Related Party
Other current assets, net:
Trade accounts receivable - DISH Network	$ 8,517	$ 3,492