v2.4.1.9

Organization and Investment Objective Narrative (Details) (Parent [Member]) | Dec. 31, 2014
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Parent [Member] |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |
Ownership Percentage | 99.40%efc_OwnershipPercentage / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember

X
- Details
Name: | efc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix: | efc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage ownership of the Operating Partnership as a percentage of total shares and convertible units. + References No definition available. + Details
Name: | efc_OwnershipPercentage
Namespace Prefix: | efc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant