XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.22.2

Residential Whole Loans (Details) $ in Thousands | Jun. 30, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 2,063,215 |
Allowance for Credit Losses | (36,927) | $ (39,447)
Total Residential Whole Loans | $ 8,190,581 | $ 7,913,000
Number of loans | loan | 25,575 | 24,095
Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for Credit Losses | $ (36,927) | $ (39,447)
Total Residential Whole Loans | $ 2,026,288 | $ 2,607,651
Number of loans | loan | 7,813 | 9,361
Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for Credit Losses | $ 0 | $ 0
Total Residential Whole Loans | $ 6,164,293 | $ 5,305,349
Number of loans | loan | 17,762 | 14,734
Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 6,807,133 | $ 6,332,405
Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,564,898 | 2,099,326
Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 5,242,235 | 4,233,079
Nonperforming |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 922,058 | 1,072,270
Nonperforming | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Nonperforming | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 922,058 | 1,072,270
Non-QM loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,113,696 |
Non-QM loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 3,494,910 | 3,461,531
Non-QM loans | Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,113,696 | 1,448,162
Non-QM loans | Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 2,381,214 | 2,013,369
Rehabilitation loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 111,164 |
Rehabilitation loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,043,831 | 734,845
Rehabilitation loans | Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 111,164 | 217,315
Rehabilitation loans | Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 932,667 | 517,530
Single-family rental loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 247,129 |
Single-family rental loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,263,238 | 951,223
Single-family rental loans | Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 247,129 | 331,808
Single-family rental loans | Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 1,016,109 | 619,415
Seasoned performing loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 92,909 |
Seasoned performing loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 92,909 | 102,041
Seasoned performing loans | Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 92,909 | 102,041
Seasoned performing loans | Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Agency eligible investor loans | Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 912,245 | 1,082,765
Agency eligible investor loans | Performing | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 0 | 0
Agency eligible investor loans | Performing | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 912,245 | 1,082,765
Purchased Credit Deteriorated Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 498,317 | 547,772
Purchased Credit Deteriorated Loans | Carrying Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | 498,317 | 547,772
Purchased Credit Deteriorated Loans | Fair Value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 0 | $ 0

X
- Definition Mortgage Loans On Real Estate, Residential + References No definition available. + Details
Name: | mfa_MortgageLoansOnRealEstateResidential
Namespace Prefix: | mfa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_ResidentialWholeLoans
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 No definition available. + 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123605502&loc=d3e21338-158488 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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