v2.4.1.9

Counterparty Risk (% Of Due from Brokers) (Details) | Dec. 31, 2014
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Morgan Stanley [Member] |
Concentration Risk [Line Items] |
% of Total Due from Brokers | 57.00%efc_PercentageOfDuefromBroker / efc_DepositsHeldWithinDealersConcentrationAxis = efc_MorganStanleyMember
JP Morgan Securities Inc [Member] |
Concentration Risk [Line Items] |
% of Total Due from Brokers | 20.00%efc_PercentageOfDuefromBroker / efc_DepositsHeldWithinDealersConcentrationAxis = efc_J.P.MorganSecuritiesIncMember

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- Definition Percentage of total amount held by a specific counterparty included in Due from Brokers above a specified concentration risk threshold. + References No definition available. + Details
Name: | efc_PercentageOfDuefromBroker
Namespace Prefix: | efc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | efc_DepositsHeldWithinDealersConcentrationAxis=efc_J.P.MorganSecuritiesIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efc_DepositsHeldWithinDealersConcentrationAxis=efc_MorganStanleyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |