v2.4.1.9

Consolidated Statement Of Changes In Equity (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Statement of Stockholders' Equity [Abstract] |  |  |
Underwriting discount | $ 3.0 efc_UnderwritingDiscount |  | $ 1.9 efc_UnderwritingDiscount
Dividends (in usd per share) | $ 3.08 efc_DividendPerShare | $ 3.83 efc_DividendPerShare | $ 2.50 efc_DividendPerShare

X
- Definition Dividend declared and paid for the period. + References No definition available. + Details
Name: | efc_DividendPerShare
Namespace Prefix: | efc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commission paid to the underwriters for the sale of shares. + References No definition available. + Details
Name: | efc_UnderwritingDiscount
Namespace Prefix: | efc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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