Represents the broadband equipment purchased from related party.

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Represents the amount for commitments to related parties.

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Represents the amount of expenses, fees and commissions paid for transactions between the related parties.

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No definition available.

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Represents information pertaining to the related party transactions automatic renewal period.

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Represents information pertaining to the related party transactions agreement term.

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Represents information pertaining to required notice period for termination of agreement by the reporting entity under the related party transactions agreement.

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions - Part 5 (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		12 Months Ended
	Mar. 31, 2017	Aug. 19, 2016	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 28, 2017
Related Party Transaction [Line Items]
Sales			$ 1,295	$ 1,381
Rovi License Agreement
Related Party Transaction [Line Items]
Agreement term		10 years
Payments to Related Parties			0		$ 0
Hughes Broadband Master Services Agreement [Member]
Related Party Transaction [Line Items]
Required notice period for termination by the reporting entity.	90 days
Agreement term	5 years
Automatic renewal period	1 year
Broadband equipment purchased from related party			1,000	4,000
EchoStar
Related Party Transaction [Line Items]
Purchases from NagraStar			1,000	1,000
NagraStar L.L.C
Related Party Transaction [Line Items]
Interest on equity method investment					50.00%			50.00%
Purchases from NagraStar			11,770	14,092	$ 53,902	$ 56,284	$ 72,162
Amounts payable to NagraStar			7,893		9,038	9,630
Commitments to NagraStar			$ 4,171		$ 3,260	4,893
Dish Mexico
Related Party Transaction [Line Items]
Interest on equity method investment			49.00%		49.00%
Amounts receivable			$ 2,942		$ 3,343
Dish Mexico \| Uplink services
Related Party Transaction [Line Items]
Sales			$ 1,295	$ 1,381	$ 5,095	$ 5,620	$ 6,653