XML 90 R79.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Financing Agreements - Counterparty for Repurchase Agreement (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 USD ($) counterparty | Dec. 31, 2023 counterparty
Disclosure of Repurchase Agreements [Abstract] |  |
Number of counterparties | counterparty | 14 | 14
Threshold of stockholders' equity at risk with single counterparty to financing agreements or linked transactions (greater than) (percent) | 5.00% |
Wells Fargo |  |
Repurchase agreements counterparty risk |  |
Amount at Risk | $ 303,437 |
Weighted Average Months to Maturity | 15 months 21 days |
Percent of Stockholders’ Equity | 16.11% |
Barclays |  |
Repurchase agreements counterparty risk |  |
Amount at Risk | $ 152,786 |
Weighted Average Months to Maturity | 10 months 3 days |
Percent of Stockholders’ Equity | 8.11% |
Churchill Finance LLC |  |
Repurchase agreements counterparty risk |  |
Amount at Risk | $ 99,426 |
Weighted Average Months to Maturity | 14 months 15 days |
Percent of Stockholders’ Equity | 5.28% |

X
- Definition Represents the percentage of stockholders' equity at risk with respect to repurchase agreements with any single counterparty, used as a threshold for disclosure. + References No definition available. + Details
Name: | mfa_RepurchaseAgreementCounterpartyRiskAsPercentageOfStockholdersEquity
Namespace Prefix: | mfa_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the minimum percentage of stockholders' equity at risk with respect to repurchase agreements with any single counterparty. + References No definition available. + Details
Name: | mfa_RepurchaseAgreementCounterpartyRiskMinimumAsPercentageOfStockholdersEquity
Namespace Prefix: | mfa_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of parties with whom the entity had repurchase agreements on the balance sheet date. + References No definition available. + Details
Name: | mfa_RepurchaseAgreementsNumberOfCounterparties
Namespace Prefix: | mfa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfRepurchaseAgreementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount at risk under repurchase agreements is defined as the excess of carrying amount (or market value, if higher than the carrying amount or if there is no carrying amount) of the securities or other assets sold under agreement to repurchase, including accrued interest plus any cash or other assets on deposit to secure the repurchase obligation, over the amount of the repurchase liability (adjusted for accrued interest). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(iii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_RepurchaseAgreementCounterpartyAmountAtRisk
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(iii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_RepurchaseAgreementCounterpartyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average maturity (weighted by amount of the agreement) of repurchase agreements with the counterparty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-9 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(1)(iii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_RepurchaseAgreementCounterpartyWeightedAverageMaturityOfAgreements1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=mfa_WellsFargoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=mfa_BarclaysBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=mfa_ChurchillFinanceLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |