v3.20.2

Related Party Transactions - DISH Network - TerreStar Agreement (Details) - TerreStar Agreement - DISH Network | 1 Months Ended
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Dec. 31, 2017
Related Party Transaction [Line Items] |
Minimum termination notice period | 21 days
Required minimum notice for termination of agreement | 90 days

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- Definition Related party transactions agreement termination required notice period from related party minimum. + References No definition available. + Details
Name: | sats_RelatedPartyTransactionsAgreementTerminationRequiredNoticePeriodFromRelatedPartyMinimum
Namespace Prefix: | sats_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Related party transactions required minimum notice period for termination of agreement. + References No definition available. + Details
Name: | sats_RelatedPartyTransactionsRequiredMinimumNoticePeriodForTerminationOfAgreement
Namespace Prefix: | sats_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- 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

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- Details
Name: | us-gaap_TypeOfArrangementAxis=sats_TerreStarAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sats_DISHNetworkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |