v3.3.1.900

Investment Securities - Contractual Maturities (Details) $ in Millions | Dec. 31, 2015 USD ($)
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Investment Securities |
Debt securities with contractual maturities of one year or less | $ 519.3
Debt securities with contractual maturities exceeding one year | $ 67.4

X
- Definition Amount of available-for-sale debt securities at fair value maturing after the next rolling twelve months following the latest balance sheet presented. + References No definition available. + Details
Name: | sats_AvailableForSaleSecuritiesDebtMaturitiesAfterNextRollingTwelveMonthsFairValue
Namespace Prefix: | sats_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale debt securities maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration