v3.22.2.2

Investment in Loans (Schedule of Consumer Loans: Delinquency Status) (Details) - Consumer loans | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 100.00% | 100.00%
Financial Asset, 1 to 29 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 91.90% | 96.00%
30 to 59 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 3.50% | 1.70%
60 to 89 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 1.90% | 1.30%
90-119 Days or More Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 2.60% | 1.00%
Financing Receivables, Equal to Greater than 120 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Percent past due | 0.10% | 0.00%

X
- Definition Percentage of financing receivable balance that is past due. + References No definition available. + Details
Name: | us-gaap_FinancingReceivablePercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables1To29DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=efc_FinancingReceivables90to119DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=efc_FinancingReceivablesEqualtoGreaterthan120DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |