XML 14 R39.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization and Investment Objective Narrative (Details) (Parent [Member])
Mar. 31, 2015
Parent [Member]
 
Organization, Consolidation and Presentation of Financial Statements [Line Items]  
Ownership Percentage 99.40%efc_OwnershipPercentage
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember