XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Incentive Plan Units (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 4 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2007
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense $ 98us-gaap_AllocatedShareBasedCompensationExpense $ 63us-gaap_AllocatedShareBasedCompensationExpense [1]  
Manager [Member] | Long-Term Incentive Plan Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
LTIP units granted     375,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
/ us-gaap_AwardTypeAxis
= efc_LongTermIncentivePlanUnitsMember
/ efc_TypeOfRecipientAxis
= efc_ManagerMember
[1] Conformed to current period presentation.