XML 59 R48.htm IDEA: XBRL DOCUMENT
v3.24.3

Residential Whole Loans - Residential Whole Loans, at Carrying and Fair Value (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2024 USD ($) loan | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total Residential whole loans | [1],[2] | $ 9,027,371 |  |  | $ 9,041,292
Residential whole loan |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Allowance for Credit Losses |  | (10,657) |  |  | (20,451)
Total Residential whole loans |  | $ 9,027,371 |  |  | $ 9,041,292
Number of loans | loan |  | 24,594 |  |  | 25,401
Gain from sale of loans |  | $ 100 | $ 200 |  |
Residential whole loan | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,363,287 |  |  |
Allowance for Credit Losses |  | (10,657) |  |  | $ (20,451)
Total Residential whole loans |  | $ 1,352,630 |  |  | $ 1,529,784
Number of loans | loan |  | 5,757 |  |  | 6,326
Residential whole loan | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | $ 7,674,741 |  |  |
Allowance for Credit Losses |  | 0 |  |  | $ 0
Total Residential whole loans |  | $ 7,674,741 |  |  | $ 7,511,508
Number of loans | loan |  | 18,837 |  |  | 19,075
Residential whole loan | Business purpose loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | $ 3,684,042 |  |  | $ 3,996,292
Total Residential whole loans |  | 3,682,499 |  |  | 3,989,351
Residential whole loan | Business purpose loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 144,535 |  |  | 207,680
Residential whole loan | Business purpose loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 3,539,507 |  |  | 3,788,612
Residential whole loan | Business purpose loans | Single family transitional |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,152,901 |  |  | 1,193,199
Residential whole loan | Business purpose loans | Single family transitional | New Construction Projects |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 446,500 |  |  | 471,100
Residential whole loan | Business purpose loans | Single family transitional | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 25,382 |  |  | 35,467
Residential whole loan | Business purpose loans | Single family transitional | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,127,519 |  |  | 1,157,732
Residential whole loan | Business purpose loans | Multifamily transitional loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,058,079 |  |  | 1,168,297
Total Residential whole loans |  | 1,058,079 |  |  | 1,168,297
Residential whole loan | Business purpose loans | Multifamily transitional loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 0 |  |  | 0
Residential whole loan | Business purpose loans | Multifamily transitional loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,058,079 |  |  | 1,168,297
Residential whole loan | Business purpose loans | Single-family rental loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,473,062 |  |  | 1,634,796
Total Residential whole loans |  | 1,472,687 |  |  | 1,630,442
Loans held for sale |  | 0 |  |  | 13,600
Gain from sale of loans |  | 0 | $ 0 | $ 500 |
Residential whole loan | Business purpose loans | Single-family rental loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 119,153 |  |  | 172,213
Residential whole loan | Business purpose loans | Single-family rental loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,353,909 |  |  | 1,462,583
Residential whole loan | Non-QM loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 4,172,797 |  |  | 3,805,577
Total Residential whole loans |  | 4,171,055 |  |  | 3,700,052
Residential whole loan | Non-QM loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 751,550 |  |  | 843,884
Residential whole loan | Non-QM loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 3,421,247 |  |  | 2,961,693
Residential whole loan | Legacy RPL/NPL loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 1,125,280 |  |  | 1,204,095
Total Residential whole loans |  | 1,117,908 |  |  | 1,192,457
Residential whole loan | Legacy RPL/NPL loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 467,202 |  |  | 498,671
Residential whole loan | Legacy RPL/NPL loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 658,078 |  |  | 705,424
Residential whole loan | Other loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 55,909 |  |  | 55,779
Total Residential whole loans |  | 55,909 |  |  | 55,779
Residential whole loan | Other loans | Held at Carrying Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | 0 |  |  | 0
Residential whole loan | Other loans | Held at Fair Value |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total loans before allowance for credit losses |  | $ 55,909 |  |  | $ 55,779
[1] | Includes approximately $6.3 billion and $5.7 billion of Residential whole loans transferred to consolidated variable interest entities (“VIEs”) at September 30, 2024 and December 31, 2023, respectively. Such assets can be used only to settle the obligations of each respective VIE.
[2] | See Note 6 for information regarding the Company’s pledged assets.

X
- Definition Residential whole loans arising from the Company’s 100% equity interest in certificates issued by certain trusts established to acquire the loans. + References No definition available. + Details
Name: | mfa_NumberOfLoans
Namespace Prefix: | mfa_
Data Type: | xbrli:integerItemType
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio. + References No definition available. + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(h)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_GainLossOnSalesOfLoansNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before valuation allowance, of financing receivable classified as held-for-sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477011/948-310-45-1 + Details
Name: | us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mfa_BusinessPurposeLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=mfa_SingleFamilyTransitionalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=mfa_NewConstructionProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=mfa_MultiFamilyTransitionalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=mfa_SingleFamilyRentalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mfa_NonQMLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mfa_LegacyReperformingAndNonPerformingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=mfa_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |