v3.8.0.1

Consolidated Statement Of Changes In Equity (Parenthetical) - $ / shares | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Statement of Stockholders' Equity [Abstract] |  |
Dividends (in usd per share) | $ 1.35 | $ 1.50

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
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration