Represents the additional term of renewal option.

No definition available.

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Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents information pertaining to the related party transactions renewal option term.

+ References

No definition available.

+ Details

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Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents information pertaining to the related party transactions agreement term.

+ References

No definition available.

+ Details

Name:	ddbs_RelatedPartyTransactionsAgreementTerm
Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents information pertaining to the minimum notice period for termination of agreement under the related party transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents information pertaining to minimum notice period for termination of a specific service under related party transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	ddbs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

Name:	us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
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Period Type:

- Details

Name:	ddbs_RelatedPartyTransactionPrimaryRelatedPartyAxis=us-gaap_MajorityShareholderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ddbs_InvernessLeaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ddbs_ProfessionalServicesAgreementMember
Namespace Prefix:
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Related Party Transactions - Narrative Part 3 (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
	Mar. 01, 2017	Sep. 30, 2019	Dec. 31, 2018	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2009
Related Party Transaction [Line Items]
Selling, general and administrative expenses				$ 333,074	$ 422,249	$ 1,440,553	$ 1,667,174	$ 1,404,561
Meridian Lease Agreement
Related Party Transaction [Line Items]
Additional term of renewal option			1 year			1 year
Santa Fe Lease Agreement
Related Party Transaction [Line Items]
Additional term of renewal option			1 year			1 year	1 year
EchoStar
Related Party Transaction [Line Items]
Selling, general and administrative expenses				$ 3,000	$ 4,000
Dish Network
Related Party Transaction [Line Items]
Required notice period for termination by the reporting entity.		90 days
Dish Network \| EchoStar \| 90 Inverness Lease Agreement
Related Party Transaction [Line Items]
Agreement Renewal Option Term	3 years
Dish Network \| EchoStar \| Professional Services Agreement
Related Party Transaction [Line Items]
Minimum notice period for termination of agreement									60 days
Minimum notice period for termination of a specific service									30 days
Agreement term									1 year