v2.4.1.9

Counterparty Risk (Narrative) (Details) (USD $) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Risks and Uncertainties [Abstract] |  |  |  |
Collateral Pledged on Reverse Repurchase Agreements Segregated under Securities Exchange Commission Regulation | $ 1,940,000,000 us-gaap_CollateralHeldOnReverseRepurchaseAgreementsSegregatedUnderSecuritiesExchangeCommissionRegulation |  |  |
Pledged Financial Instruments, Not Separately Reported, Securities For Repurchase Agreements Unsettled | 145,500,000 efc_PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreementsUnsettled | 13,300,000 efc_PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreementsUnsettled |  |
Unencumbered investments held in custody | 158,700,000 efc_UnencumberedInvestmentsHeldInCustody |  |  |
Cash and Cash Equivalents, at Carrying Value | $ 114,140,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 183,489,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 59,084,000 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 62,737,000 us-gaap_CashAndCashEquivalentsAtCarryingValue
Concentration risk threshold | 15.00%efc_ConcentrationRiskTreshold |  |  |

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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for repurchase agreements which have been sold prior to period end but remain unsettled at the balance sheet date. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of securities that are free and clear of any encumbrances such as reverse repurchase agreements. + References No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Carrying amount of assets pledged as collateral that are not reclassified and separately reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=7523297&loc=SL6224234-111729 + Details
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