v2.4.1.9

Contingencies And Commitments Contingencies and Commitments (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014
--- | ---
Corporate Debt [Member] |
Other Commitments [Line Items] |
Purchase Commitment, Remaining Minimum Amount Committed | $ 4.0 efc_PurchaseCommitmentMaximumRemainingAmount / us-gaap_InvestmentTypeAxis = efc_CorporateDebtMember
Corporate Debt [Member] | Due on or before December 31, 2015 [Member] |
Other Commitments [Line Items] |
Purchase Commitment, Remaining Minimum Amount Committed | 2.0 efc_PurchaseCommitmentMaximumRemainingAmount / us-gaap_InvestmentTypeAxis = efc_CorporateDebtMember / us-gaap_OtherCommitmentsAxis = efc_DueonorbeforeDecember312015Member
Corporate Debt [Member] | Due on or before June 12, 2016 [Member] |
Other Commitments [Line Items] |
Purchase Commitment, Remaining Minimum Amount Committed | 2.0 efc_PurchaseCommitmentMaximumRemainingAmount / us-gaap_InvestmentTypeAxis = efc_CorporateDebtMember / us-gaap_OtherCommitmentsAxis = efc_DueonorbeforeJune122016Member
Loans [Member] |
Other Commitments [Line Items] |
Purchase Commitment, Remaining Minimum Amount Committed | 70.0 efc_PurchaseCommitmentMaximumRemainingAmount / us-gaap_InvestmentTypeAxis = us-gaap_LoansMember
Amount Purchased Under Commitment | $ 11.8 efc_AmountPurchasedUnderCommitment / us-gaap_InvestmentTypeAxis = us-gaap_LoansMember

X
- Definition Amount purchased and outstanding at period end in connection with commitment to purchase investments. + References No definition available. + Details
Name: | efc_AmountPurchasedUnderCommitment
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum amount of commitment under agreements to purchase investments. Can include contingent commitments. + References No definition available. + Details
Name: | efc_PurchaseCommitmentMaximumRemainingAmount
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_InvestmentTypeAxis=efc_CorporateDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_LoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |