v2.4.1.9

Counterparty Risk (% Of Total Collateral On Reverse Repurchase Agreements) (Details) | Dec. 31, 2014
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Deutsche Bank [Member] |
Concentration Risk [Line Items] |
% of Total Collateral on Reverse Repurchase Agreements | 22.00%efc_PercentageOfTotalCollateralOnReverseRepurchaseAgreements / efc_ReverseRepurchaseAgreementCounterpartyConcentrationAxis = efc_DeutscheBankMember
Royal Bank of Canada [Member] |
Concentration Risk [Line Items] |
% of Total Collateral on Reverse Repurchase Agreements | 17.00%efc_PercentageOfTotalCollateralOnReverseRepurchaseAgreements / efc_ReverseRepurchaseAgreementCounterpartyConcentrationAxis = efc_RoyalBankofCanadaMember

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- Definition Percentage of total collateral on reverse repurchase agreements held by a specific counterparty above a specified concentration risk threshold. + References No definition available. + Details
Name: | efc_PercentageOfTotalCollateralOnReverseRepurchaseAgreements
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_ReverseRepurchaseAgreementCounterpartyConcentrationAxis=efc_DeutscheBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efc_ReverseRepurchaseAgreementCounterpartyConcentrationAxis=efc_RoyalBankofCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |