Name:	efc_AvailableforsalesecuritiesRealizesLossesWriteoffs
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For securities whose cash flows vary depending on prepayments, an effective yield retroactive to the time of purchase is periodically recomputed based on actual prepayments and changes in projected prepayment activity, and a catch-up adjustment, or "Catch-up Premium Amortization Adjustment," is made to amortization to reflect the cumulative impact of the change in effective yield.

No definition available.

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Realized losses resulting from a complete or partial write off once the Company has determined all or a portion of an impaired loan's cost basis is uncollectible.

No definition available.

Name:	efc_RealizedLossesWriteoffsonloans
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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
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Amount of allowance for credit loss at acquisition date of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), purchased with credit deterioration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922903-210455

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
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-Section 1405
-Paragraph (a)
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-Publisher SEC
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-Number 229
-Section 1405
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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
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Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.