XML 89 R65.htm IDEA: XBRL DOCUMENT
v3.22.2.2

VARIABLE INTEREST ENTITIES - Schedule of the Fair Value of OBX Trusts Closed (Details) - OBX Trust - Consolidated VIEs - USD ($) $ in Thousands | Sep. 30, 2022 | Aug. 31, 2022 | Jun. 30, 2022 | May 31, 2022 | Mar. 31, 2022 | Feb. 28, 2022 | Jan. 31, 2022
--- | --- | --- | --- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  | $ 335,900 | $ 389,334 | $ 315,843 | $ 439,421 | $ 556,696
OBX 2022-INV1 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  |  |  |  |  | $ 377,275
OBX 2022-INV2 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  |  |  |  | $ 466,686 |
OBX 2022-INV3 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  |  |  | $ 330,823 |  |
OBX 2022-NQM4 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  |  | $ 457,285 |  |  |
OBX 2022-NQM5 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  | 390,775 |  |  |  |
OBX 2022-NQM6 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  |  | $ 387,913 |  |  |  |
OBX 2022-J2 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  | $ 305,969 |  |  |  |  |
OBX 2022-NQM7 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans |  | $ 358,931 |  |  |  |  |
OBX 2022-NQM8 |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Loans | $ 397,470 |  |  |  |  |  |

X
- Definition Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column G)) -URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=nly_OBXTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022INV1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022INV2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022INV3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022NQM4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022NQM5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022NQM6Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022J2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022NQM7Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentSecondaryCategorizationAxis=nly_OBX2022NQM8Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |