v3.21.2

Long-Term Incentive Plan Units Long-Term Incentive Plan Units (Unvested LTIP Units) (Details) - Long-Term Incentive Plan Units [Member] | 9 Months Ended
--- | ---
Sep. 30, 2021 shares
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 86,205
Director [Member] |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 16,264
Grant Date | Sep. 14, 2021
Vesting Date(1) | Sep. 13, 2022
Vest December 13, 2021 [Member] | Dedicated or partially dedicated personnel [Member] |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 10,067
Grant Date | Dec. 13, 2019
Vesting Date(1) | Dec. 13, 2021
Vest December 17, 2021 | Dedicated or partially dedicated personnel [Member] |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 18,211
Grant Date | Dec. 17, 2020
Vesting Date(1) | Dec. 17, 2021
Vest December 31, 2021 [Member] | Dedicated or partially dedicated personnel [Member] | Granted March 4, 2020 |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 9,834
Grant Date | Mar. 04, 2020
Vesting Date(1) | Dec. 31, 2021
Vest December 31, 2021 [Member] | Dedicated or partially dedicated personnel [Member] | Grant Date March 3, 2021 |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 3,697
Grant Date | Mar. 03, 2021
Vesting Date(1) | Dec. 31, 2021
Vest December 17, 2022 | Dedicated or partially dedicated personnel [Member] |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 14,598
Grant Date | Dec. 17, 2020
Vesting Date(1) | Dec. 17, 2022
Vest December 31, 2022 | Dedicated or partially dedicated personnel [Member] | Grant Date March 3, 2021 |
Schedule of Unvested LTIP Units [Line Items] |
Number of OP LTIP Units (in units) | 13,534
Grant Date | Mar. 03, 2021
Vesting Date(1) | Dec. 31, 2022

X
- Definition Date the LTIP unit was granted. + References No definition available. + Details
Name: | efc_LTIPUnitGrantDate
Namespace Prefix: | efc_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the LTIP unit vests. + References No definition available. + Details
Name: | efc_LTIPUnitVestingDate
Namespace Prefix: | efc_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Line Items] for Schedule of Unvested LTIP Units [Table] + References No definition available. + Details
Name: | efc_ScheduleofUnvestedLTIPUnitsLineItems
Namespace Prefix: | efc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Unvested + References No definition available. + Details
Name: | efc_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsGrantsinPeriodUnvested
Namespace Prefix: | efc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=efc_LongTermIncentivePlanUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efc_TypeOfRecipientAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=efc_VestDecember132021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | efc_TypeOfRecipientAxis=efc_DedicatedorpartiallydedicatedpersonnelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=efc_VestDecember172021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=efc_VestDecember312021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=efc_GrantedMarch42020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=efc_GrantDateMarch32021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=efc_VestDecember172022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=efc_VestDecember312022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |