$MFA
MFA FINANCIAL, INC. Stock $mfa

$mfa Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000105516022000023 Filed on November 03, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2021 Q3
Revenue	$136.7M	$123.9M	$90.88M
YoY Change	83.48%	36.3%	9.98%
Cost Of Revenue	$87.23M	$71.58M	$29.07M
YoY Change	144.36%	146.27%	-48.1%
Gross Profit	$49.48M	-$28.13M	$129.8M
YoY Change	27.48%	-121.67%	48.5%
Gross Profit Margin	36.19%	-22.71%	142.81%
Selling, General & Admin	$24.85M	$29.88M	$24.87M
YoY Change	-13.36%	20.13%	35.9%
% of Gross Profit	50.22%		19.16%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.300M	$1.300M	$3.300M
YoY Change	-60.61%	-60.61%
% of Gross Profit	2.63%		2.54%
Operating Expenses	$32.51M	$43.12M	$23.75M
YoY Change	-20.16%	81.55%	838941135291581400.0%
Operating Profit	$16.97M	-$71.25M	$106.0M
YoY Change	-991.7%	-167.19%	21.33%
Interest Expense		$71.58M	$29.07M
YoY Change		146.27%	-48.06%
% of Operating Profit			27.41%
Other Income/Expense, Net
YoY Change
Pretax Income	$6.710M	-$55.02M	$132.5M
YoY Change	-84.79%	-141.52%	51.96%
Income Tax		$283.0K	$837.0K
% Of Pretax Income			0.63%
Net Earnings	-$1.647M	-$55.02M	$132.5M
YoY Change	-103.73%	-141.52%	51.94%
Net Earnings / Revenue	-1.2%	-44.42%	145.81%
Basic Earnings Per Share		-$0.62	$0.28
Diluted Earnings Per Share	-$0.02	-$0.62	$0.27
COMMON SHARES
Basic Shares Outstanding	101.8M shares	101.8M shares	440.9M shares
Diluted Shares Outstanding		101.8M shares	473.2M shares

Balance Sheet

Concept	2022 Q4	2022 Q3	2021 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$334.2M	$434.1M	$526.2M
YoY Change	9.68%	-17.51%	-40.47%
Cash & Equivalents	$334.2M	$434.1M	$526.2M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$402.9M	$500.2M	$567.7M
YoY Change	13.53%	-11.89%	-35.78%
LONG-TERM ASSETS
Property, Plant & Equipment	$39.46M	$38.17M	$39.50M
YoY Change	0.23%	-3.37%
Goodwill	$61.08M	$61.08M	$61.08M
YoY Change	0.0%	0.0%
Intangibles	$12.20M	$13.50M	$24.70M
YoY Change	-42.99%	-45.34%
Long-Term Investments	$28.30M	$30.40M	$7.409B
YoY Change	-99.66%	-99.59%	20.9%
Other Assets	$159.9M	$167.3M	$55.51M
YoY Change	60.3%	201.42%	1010.14%
Total Long-Term Assets	$8.710B	$9.020B	$7.920B
YoY Change	-0.86%	13.88%	20.02%
TOTAL ASSETS
Total Short-Term Assets	$402.9M	$500.2M	$567.7M
Total Long-Term Assets	$8.710B	$9.020B	$7.920B
Total Assets	$9.112B	$9.520B	$8.488B
YoY Change	-0.3%	12.16%	13.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$143.7M	$151.5M	$128.7M
YoY Change	-15.64%	17.73%	192.48%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$311.5M	$196.5M	$336.0M
YoY Change	42.84%	-41.52%	401.43%
LONG-TERM LIABILITIES
Long-Term Debt	$6.812B	$7.289B	$5.551B
YoY Change	6.79%	31.32%	14.43%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$6.812B	$7.289B	$5.551B
YoY Change	6.79%	31.32%	14.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$311.5M	$196.5M	$336.0M
Total Long-Term Liabilities	$6.812B	$7.289B	$5.551B
Total Liabilities	$7.124B	$7.486B	$5.887B
YoY Change	7.98%	27.17%	19.71%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.718B	-$1.680B	-$1.268B
YoY Change	34.27%	32.55%	-10.04%
Common Stock	$1.018M	$1.018M	$4.409M
YoY Change	-5.91%	-76.91%	-2.74%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.989B	$2.034B	$2.601B
YoY Change
Total Liabilities & Shareholders Equity	$9.112B	$9.520B	$8.488B
YoY Change	-0.3%	12.16%	13.42%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2021 Q3
OPERATING ACTIVITIES
Net Income	-$1.647M	-$55.02M	$132.5M
YoY Change	-103.73%	-141.52%	51.94%
Depreciation, Depletion And Amortization	$1.300M	$1.300M	$3.300M
YoY Change	-60.61%	-60.61%
Cash From Operating Activities	$4.509M	$151.6M	$12.48M
YoY Change	-59.82%	1115.49%	-131.35%
INVESTING ACTIVITIES
Capital Expenditures	-$1.231M	-$306.0K	-$7.146M
YoY Change	-103.18%	-95.72%	410.43%
Acquisitions
YoY Change
Other Investing Activities	-$87.28M	-$292.7M	-$1.258B
YoY Change	-91.09%	-76.74%	-372.32%
Cash From Investing Activities	-$86.05M	-$293.0M	-$1.265B
YoY Change	-90.86%	-76.85%	-374.69%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-25.77M	197.4M	919.3M
YoY Change	-103.42%	-78.53%	-548.42%
NET CHANGE
Cash From Operating Activities	4.509M	151.6M	12.48M
Cash From Investing Activities	-86.05M	-293.0M	-1.265B
Cash From Financing Activities	-25.77M	197.4M	919.3M
Net Change In Cash	-107.3M	56.05M	-333.5M
YoY Change	-39.47%	-116.81%	-254.54%
FREE CASH FLOW
Cash From Operating Activities	$4.509M	$151.6M	$12.48M
Capital Expenditures	-$1.231M	-$306.0K	-$7.146M
Free Cash Flow	$5.740M	$152.0M	$19.62M
YoY Change	-120.9%	674.39%	-151.1%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001055160
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
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CY2022Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.25
CY2022Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.25
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherAssets
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#OtherLiabilities
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CY2022Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.25
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-13991
	dei	Entity Registrant Name EntityRegistrantName	MFA FINANCIAL, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-3974868
	dei	Entity Address Address Line1 EntityAddressAddressLine1	One Vanderbilt Ave., 48th Floor
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10017
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	207-6400
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3300000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7900000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3300000	usd
CY2022Q3	us-gaap	Costs And Expenses CostsAndExpenses	42532000	usd
CY2021Q3	us-gaap	Costs And Expenses CostsAndExpenses	33460000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	130588000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	78762000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-55018000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-238291000	usd
	us-gaap	Net Income Loss NetIncomeLoss	284747000	usd
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
CY2022Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	-63236000	usd
CY2021Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	124293000	usd
	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	-262947000	usd
	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	260091000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.54
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.33
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.28
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-55018000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-238291000	usd
	us-gaap	Net Income Loss NetIncomeLoss	284747000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5851000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-8029000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-15765000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-21473000	usd
CY2022Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	0	usd
CY2021Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-209000	usd
	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-1255000	usd
	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-935000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5851000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7820000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-14510000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20538000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-60869000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	124691000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-252801000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	264209000	usd
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
CY2022Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	-69087000	usd
CY2021Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	116473000	usd
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	-277457000	usd
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	239553000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2542848000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-82906000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	486000	usd
CY2022Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	55742000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2642000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-76000	usd
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2022Q1	us-gaap	Dividends Common Stock DividendsCommonStock	46215000	usd
CY2022Q1	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	141000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-4977000	usd
CY2022Q1	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-1255000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	2348955000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-100367000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	553000	usd
CY2022Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	47512000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3540000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-662000	usd
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2022Q2	us-gaap	Dividends Common Stock DividendsCommonStock	44789000	usd
CY2022Q2	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	174000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-4937000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	2146388000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-55018000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	33000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2673000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-1110000	usd
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2022Q3	us-gaap	Dividends Common Stock DividendsCommonStock	44791000	usd
CY2022Q3	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	174000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-5851000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2033931000	usd
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.44
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.11
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2524802000	usd
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	85522000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	382000	usd
CY2021Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	25136000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1686000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	489000	usd
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.300
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	33521000	usd
CY2021Q1	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	120000	usd
CY2021Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-3855000	usd
CY2021Q1	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-235000	usd
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	2542266000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	66714000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	398000	usd
CY2021Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	23741000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2741000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-288000	usd
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	44081000	usd
CY2021Q2	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	155000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-9589000	usd
CY2021Q2	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-491000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	2526537000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	525000	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2306000	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-505000	usd
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	44093000	usd
CY2021Q3	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	155000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-8029000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	usd
CY2021Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-209000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2601087000	usd
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.30
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.40
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.075
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
	us-gaap	Net Income Loss NetIncomeLoss	-238291000	usd
	us-gaap	Net Income Loss NetIncomeLoss	284747000	usd
	mfa	Residential Whole Loans Gain Loss ResidentialWholeLoansGainLoss	-770534000	usd
	mfa	Residential Whole Loans Gain Loss ResidentialWholeLoansGainLoss	67844000	usd
	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-2760000	usd
	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	1969000	usd
	mfa	Impairment And Other Gains Losses On Securities Available For Sale And Other Assets And Investments ImpairmentAndOtherGainsLossesOnSecuritiesAvailableForSaleAndOtherAssetsAndInvestments	0	usd
	mfa	Impairment And Other Gains Losses On Securities Available For Sale And Other Assets And Investments ImpairmentAndOtherGainsLossesOnSecuritiesAvailableForSaleAndOtherAssetsAndInvestments	-49039000	usd
	mfa	Accretion And Amortization Of Purchase Discounts AccretionAndAmortizationOfPurchaseDiscounts	12054000	usd
	mfa	Accretion And Amortization Of Purchase Discounts AccretionAndAmortizationOfPurchaseDiscounts	23295000	usd
	mfa	Provision For Reversal Of Credit And Valuation Losses On Residential Whole Loans And Other Financial Instruments At Carrying Value ProvisionForReversalOfCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue	26203000	usd
	mfa	Provision For Reversal Of Credit And Valuation Losses On Residential Whole Loans And Other Financial Instruments At Carrying Value ProvisionForReversalOfCreditAndValuationLossesOnResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue	-43550000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	260624000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	usd
	mfa	Unrealized Gain Loss On Securitized Debt At Fair Value UnrealizedGainLossOnSecuritizedDebtAtFairValue	247970000	usd
	mfa	Unrealized Gain Loss On Securitized Debt At Fair Value UnrealizedGainLossOnSecuritizedDebtAtFairValue	0	usd
	mfa	Unrealized Gain Loss On Investment In Loan Originator UnrealizedGainLossOnInvestmentInLoanOriginator	-13395000	usd
	mfa	Unrealized Gain Loss On Investment In Loan Originator UnrealizedGainLossOnInvestmentInLoanOriginator	0	usd
	mfa	Other Non Cash Losses Included In Net Income OtherNonCashLossesIncludedInNetIncome	21134000	usd
	mfa	Other Non Cash Losses Included In Net Income OtherNonCashLossesIncludedInNetIncome	16112000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-291245000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-20484000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4764000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-26574000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	361568000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	109072000	usd
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	2699331000	usd
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	2877090000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1536863000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1433199000	usd
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	usd
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	6122000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	15660000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	3427000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	130686000	usd
	mfa	Purchase Of Real Estate Owned And Capital Improvements PurchaseOfRealEstateOwnedAndCapitalImprovements	845000	usd
	mfa	Purchase Of Real Estate Owned And Capital Improvements PurchaseOfRealEstateOwnedAndCapitalImprovements	1087000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	105151000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	133157000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1531000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	50735000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1040606000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1225748000	usd
	mfa	Principal Payments On Securities Sold Under Agreements To Repurchase And Other Advances PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchaseAndOtherAdvances	2745242000	usd
	mfa	Principal Payments On Securities Sold Under Agreements To Repurchase And Other Advances PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchaseAndOtherAdvances	941468000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	434100000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	304700000	usd
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase With Mark To Market Collateral Provisions ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseWithMarkToMarketCollateralProvisions	2307260000	usd
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase With Mark To Market Collateral Provisions ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseWithMarkToMarketCollateralProvisions	2009691000	usd
	mfa	Principal Payments On Financing Agreements With Non Mark To Market Collateral Provisions PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	1655260000	usd
	mfa	Principal Payments On Financing Agreements With Non Mark To Market Collateral Provisions PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	1484127000	usd
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase With Non Mark To Market Collateral Provisions ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseWithNonMarkToMarketCollateralProvisions	3248756000	usd
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase With Non Mark To Market Collateral Provisions ProceedsFromSecuritiesSoldUnderAgreementsToRepurchaseWithNonMarkToMarketCollateralProvisions	1582982000	usd
	mfa	Payments Made For Securitization Related Cost PaymentsMadeForSecuritizationRelatedCost	14646000	usd
	mfa	Payments Made For Securitization Related Cost PaymentsMadeForSecuritizationRelatedCost	6847000	usd
	mfa	Principal Payment On Redemption Of Senior Notes PrincipalPaymentOnRedemptionOfSeniorNotes	0	usd
	mfa	Principal Payment On Redemption Of Senior Notes PrincipalPaymentOnRedemptionOfSeniorNotes	100000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1156000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1297000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	102311000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	48075000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	24656000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	24656000	usd
CY2022Q3	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	360800000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	139070000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	111892000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	875987000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	876905000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	196949000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-239771000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	404447000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	821519000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	601396000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	581748000	usd
	us-gaap	Interest Paid Net InterestPaidNet	151747000	usd
	us-gaap	Interest Paid Net InterestPaidNet	81636000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	61875000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	50043000	usd
CY2022Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	44964000	usd
CY2021Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	44247000	usd
CY2021Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	215800000	usd
	mfa	Noncash Payable For Unsettled Loan Purchases NoncashPayableForUnsettledLoanPurchases	0	usd
	mfa	Noncash Payable For Unsettled Loan Purchases NoncashPayableForUnsettledLoanPurchases	163015000	usd
	mfa	Right Of Use Lease And Asset Lease Liability RightOfUseLeaseAndAssetLeaseLiability	0	usd
	mfa	Right Of Use Lease And Asset Lease Liability RightOfUseLeaseAndAssetLeaseLiability	40893000	usd
	mfa	Noncash Or Part Noncash Transaction Repayment Of Preferred Stock NoncashOrPartNoncashTransactionRepaymentOfPreferredStock	0	usd
	mfa	Noncash Or Part Noncash Transaction Repayment Of Preferred Stock NoncashOrPartNoncashTransactionRepaymentOfPreferredStock	22030000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization <div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">MFA Financial, Inc. (the “Company”) was incorporated in Maryland on July 24, 1997 and began operations on April 10, 1998. The Company has elected to be treated as a real estate investment trust (“REIT”) for U.S. federal income tax purposes. In order to maintain its qualification as a REIT, the Company must comply with a number of requirements under federal tax law, including that it must distribute at least 90% of its annual REIT taxable income to its stockholders. The Company has elected to treat certain of its subsidiaries as taxable REIT subsidiaries (“TRS”). In general, a TRS may hold assets and engage in activities that the Company cannot hold or engage in directly and generally may engage in any real estate or non-real estate related business (see Note 8).</span></div>
	mfa	Number Of Days Considered To Classify Loans Delinquent NumberOfDaysConsideredToClassifyLoansDelinquent	P60D
	mfa	Ratio Loan To Value RatioLoanToValue	0.80
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	167300000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	99800000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	13500000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	21400000	usd
CY2022Q3	mfa	Loans Including Fair Value Loans Credit Impaired Loans And Other Loans At Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansAndOtherLoansAtCarryingValue	8200000000	usd
CY2021Q4	mfa	Loans Including Fair Value Loans Credit Impaired Loans And Other Loans At Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansAndOtherLoansAtCarryingValue	7900000000	usd
CY2022Q3	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	37192000	usd
CY2021Q4	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	39447000	usd
CY2022Q3	mfa	Mortgage Loans On Real Estate Residential MortgageLoansOnRealEstateResidential	8194049000	usd
CY2021Q4	mfa	Mortgage Loans On Real Estate Residential MortgageLoansOnRealEstateResidential	7913000000	usd
CY2022Q3	mfa	Residential Whole Loans ResidentialWholeLoans	26193	loan
CY2021Q4	mfa	Residential Whole Loans ResidentialWholeLoans	24095	loan
	mfa	Number Of Whole Loans Sold NumberOfWholeLoansSold	0	loan
	mfa	Number Of Whole Loans Sold NumberOfWholeLoansSold	0	loan
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	39447000	usd
CY2022Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-3467000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	523000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	35457000	usd
CY2022Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1830000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	360000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36927000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	547000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	282000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	37192000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	86833000	usd
CY2021Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-22372000	usd
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1217000	usd
CY2021Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	63244000	usd
CY2021Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-8583000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	400000	usd
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	54261000	usd
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-9626000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	533000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	44102000	usd
CY2022Q3	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	5000000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	14300000	usd
CY2022Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	0	usd
CY2022Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	65903000	usd
CY2022Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	248562000	usd
CY2022Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	675984000	usd
CY2022Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	319020000	usd
CY2022Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	605808000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	1915277000	usd
	mfa	Financing Receivable Originated Two Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYearGrossWriteOffs	92000	usd
	mfa	Financing Receivable Originated Three Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs	522000	usd
	mfa	Financing Receivable Originated Four Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYearGrossWriteOffs	160000	usd
	mfa	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYearGrossWriteOffs	391000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1165000	usd
CY2022Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	-291818000	usd
CY2021Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	20494000	usd
	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	-797934000	usd
	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	58807000	usd
CY2022Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	-57000	usd
CY2021Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	1321000	usd
	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	1270000	usd
	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	518000	usd
CY2022Q3	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	-291875000	usd
CY2021Q3	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	21815000	usd
	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	-796664000	usd
	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	59325000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	36919000	usd
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	66163000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	46833000	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	79607000	usd
CY2022Q3	mfa	Other Comprehensive Income Loss Available For Sale Securities Adjustment Excluding Cumulative Effect Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentExcludingCumulativeEffectNetOfTaxPortionAttributableToParent	-5851000	usd
CY2021Q3	mfa	Other Comprehensive Income Loss Available For Sale Securities Adjustment Excluding Cumulative Effect Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentExcludingCumulativeEffectNetOfTaxPortionAttributableToParent	-8029000	usd
	mfa	Other Comprehensive Income Loss Available For Sale Securities Adjustment Excluding Cumulative Effect Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentExcludingCumulativeEffectNetOfTaxPortionAttributableToParent	-15765000	usd
	mfa	Other Comprehensive Income Loss Available For Sale Securities Adjustment Excluding Cumulative Effect Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentExcludingCumulativeEffectNetOfTaxPortionAttributableToParent	-21473000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	31068000	usd
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	58134000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	31068000	usd
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	58134000	usd
CY2022Q3	us-gaap	Real Estate Investments RealEstateInvestments	132663000	usd
CY2021Q4	us-gaap	Real Estate Investments RealEstateInvestments	156223000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	61076000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	61076000	usd
CY2022Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	13500000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	21400000	usd
CY2022Q3	mfa	Capital Contributions To Loan Origination Partners CapitalContributionsToLoanOriginationPartners	30358000	usd
CY2021Q4	mfa	Capital Contributions To Loan Origination Partners CapitalContributionsToLoanOriginationPartners	71673000	usd
CY2022Q3	us-gaap	Other Interest Earning Assets OtherInterestEarningAssets	74342000	usd
CY2021Q4	us-gaap	Other Interest Earning Assets OtherInterestEarningAssets	57522000	usd
CY2022Q3	us-gaap	Interest Receivable InterestReceivable	66080000	usd
CY2021Q4	us-gaap	Interest Receivable InterestReceivable	50191000	usd
CY2022Q3	mfa	Principal Receivable Advances Suspense Accounts And Other PrincipalReceivableAdvancesSuspenseAccountsAndOther	19697000	usd
CY2021Q4	mfa	Principal Receivable Advances Suspense Accounts And Other PrincipalReceivableAdvancesSuspenseAccountsAndOther	34191000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38168000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	39370000	usd
CY2022Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	61110000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	73910000	usd
CY2022Q3	us-gaap	Other Assets OtherAssets	496994000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	565556000	usd
CY2021Q4	mfa	Real Estate Heldfor Investment RealEstateHeldforInvestment	11300000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14500000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6600000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.075
CY2022Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	412	property
CY2022Q3	us-gaap	Real Estate Investments RealEstateInvestments	132700000	usd
CY2021Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	553	property
CY2021Q4	us-gaap	Real Estate Investments RealEstateInvestments	156200000	usd
CY2022Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	132200000	usd
CY2022Q2	us-gaap	Real Estate Investments RealEstateInvestments	135847000	usd
CY2021Q2	us-gaap	Real Estate Investments RealEstateInvestments	204762000	usd
CY2021Q4	us-gaap	Real Estate Investments RealEstateInvestments	156223000	usd
CY2020Q4	us-gaap	Real Estate Investments RealEstateInvestments	249699000	usd
CY2022Q3	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	1655000	usd
CY2021Q3	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	2448000	usd
	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	2426000	usd
	us-gaap	Real Estate Owned Valuation Allowance Amounts Applied RealEstateOwnedValuationAllowanceAmountsApplied	3390000	usd
CY2022Q3	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	16658000	usd
CY2021Q3	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	11673000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	61875000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	50043000	usd
CY2022Q3	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	215000	usd
CY2021Q3	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	1584000	usd
	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	845000	usd
	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	2207000	usd
CY2022Q3	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	18402000	usd
CY2021Q3	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	36769000	usd
	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	83854000	usd
	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	119757000	usd
CY2022Q3	us-gaap	Real Estate Investments RealEstateInvestments	132663000	usd
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178802000	usd
CY2022Q3	us-gaap	Real Estate Investments RealEstateInvestments	132663000	usd
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178802000	usd
CY2022Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	412	property
CY2021Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	674	property
CY2022Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	412	property
CY2021Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	674	property
CY2022Q3	mfa	Gain Loss Recorded On Transfer From Residential Whole Loans To Real Estate Owned GainLossRecordedOnTransferFromResidentialWholeLoansToRealEstateOwned	-300000	usd
CY2021Q3	mfa	Gain Loss Recorded On Transfer From Residential Whole Loans To Real Estate Owned GainLossRecordedOnTransferFromResidentialWholeLoansToRealEstateOwned	700000	usd
	mfa	Gain Loss Recorded On Transfer From Residential Whole Loans To Real Estate Owned GainLossRecordedOnTransferFromResidentialWholeLoansToRealEstateOwned	-300000	usd
	mfa	Gain Loss Recorded On Transfer From Residential Whole Loans To Real Estate Owned GainLossRecordedOnTransferFromResidentialWholeLoansToRealEstateOwned	400000	usd
CY2022Q3	mfa	Number Of Real Estate Properties Sold During Period NumberOfRealEstatePropertiesSoldDuringPeriod	74	property
	mfa	Number Of Real Estate Properties Sold During Period NumberOfRealEstatePropertiesSoldDuringPeriod	333	property
CY2022Q3	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	23800000	usd
	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	105000000	usd
CY2022Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	5300000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	21300000	usd
CY2021Q3	mfa	Number Of Real Estate Properties Sold During Period NumberOfRealEstatePropertiesSoldDuringPeriod	151	property
	mfa	Number Of Real Estate Properties Sold During Period NumberOfRealEstatePropertiesSoldDuringPeriod	470	property
CY2021Q3	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	45400000	usd
	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	134000000	usd
CY2021Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	7300000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	13400000	usd
CY2022Q3	us-gaap	Equity Method Investments EquityMethodInvestments	30400000	usd
CY2022Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-2000000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-13400000	usd
CY2022Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	3200000000	usd
	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P45M
	us-gaap	Derivative Remaining Maturity1 DerivativeRemainingMaturity1	P81M
CY2022Q3	mfa	Financing Agreements Unpaid Principal Balance FinancingAgreementsUnpaidPrincipalBalance	7576581000	usd
CY2022Q3	mfa	Financing Agreements Fair Value And Carrying Value1 FinancingAgreementsFairValueAndCarryingValue1	7289440000	usd
CY2022Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0360
CY2021Q4	mfa	Financing Agreements Unpaid Principal Balance FinancingAgreementsUnpaidPrincipalBalance	6377370000	usd
CY2021Q4	mfa	Financing Agreements Fair Value And Carrying Value1 FinancingAgreementsFairValueAndCarryingValue1	6378782000	usd
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0244
CY2022Q3	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	12	counterparty
CY2021Q4	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	14	counterparty
CY2022Q3	mfa	Repurchase Agreement Counterparty Risk As Percentage Of Stockholders Equity RepurchaseAgreementCounterpartyRiskAsPercentageOfStockholdersEquity	0.05
CY2022Q3	mfa	Pledged Financial Instruments Not Separately Reported Securities Pledged Aggregate Fair Value And Accrued Interest PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest	27200000	usd
CY2021Q4	mfa	Pledged Financial Instruments Not Separately Reported Securities Pledged Aggregate Fair Value And Accrued Interest PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest	25700000	usd
CY2022Q3	us-gaap	Other Liabilities OtherLiabilities	196475000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	218058000	usd
CY2022Q3	mfa	Dividends And Dividend Equivalents Payable DividendsAndDividendEquivalentsPayable	44964000	usd
CY2021Q4	mfa	Dividends And Dividend Equivalents Payable DividendsAndDividendEquivalentsPayable	47751000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	43772000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	44977000	usd
CY2022Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	24102000	usd
CY2021Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	9621000	usd
CY2022Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	83637000	usd
CY2021Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	115709000	usd
CY2022Q3	mfa	Real Estate Investment Trusts Reit Taxable Income Distribution Objective Percent RealEstateInvestmentTrustsREITTaxableIncomeDistributionObjectivePercent	1
CY2022Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	71360000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	35796000	usd
CY2022Q3	mfa	Deferred Tax Assets Unrealized Mark To Market Impairments And Loss Provisions DeferredTaxAssetsUnrealizedMarkToMarketImpairmentsAndLossProvisions	15572000	usd
CY2021Q4	mfa	Deferred Tax Assets Unrealized Mark To Market Impairments And Loss Provisions DeferredTaxAssetsUnrealizedMarkToMarketImpairmentsAndLossProvisions	3753000	usd
CY2022Q3	mfa	Deferred Tax Assets Other Realized Unrealized Treatment Differences DeferredTaxAssetsOtherRealizedUnrealizedTreatmentDifferences	-14730000	usd
CY2021Q4	mfa	Deferred Tax Assets Other Realized Unrealized Treatment Differences DeferredTaxAssetsOtherRealizedUnrealizedTreatmentDifferences	12131000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	72202000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	51680000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	72202000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	51680000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	0	usd
CY2022Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	142100000	usd
CY2022Q3	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	40000	usd
CY2021Q3	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	635000	usd
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	184000	usd
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1191000	usd
CY2022Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	11000	usd
CY2021Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	202000	usd
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	220000	usd
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	379000	usd
CY2022Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	51000	usd
CY2021Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	837000	usd
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	404000	usd
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1570000	usd
CY2022Q3	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	183000	usd
CY2021Q3	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	453000	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022Q3	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	49000	usd
CY2021Q3	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	114000	usd
	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	232000	usd
CY2021Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	567000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	283000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	837000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	971000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1570000	usd
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	mfa	Effective Income Tax Rate Reconciliation Non Taxable Reit Income Dividends Paid Deduction EffectiveIncomeTaxRateReconciliationNonTaxableREITIncomeDividendsPaidDeduction	0.034
	mfa	Effective Income Tax Rate Reconciliation Non Taxable Reit Income Dividends Paid Deduction EffectiveIncomeTaxRateReconciliationNonTaxableREITIncomeDividendsPaidDeduction	-0.045
	mfa	Effective Income Tax Rate Reconciliation Other Differences In Taxable Income Loss From Gaap EffectiveIncomeTaxRateReconciliationOtherDifferencesInTaxableIncomeLossFromGAAP	-0.174
	mfa	Effective Income Tax Rate Reconciliation Other Differences In Taxable Income Loss From Gaap EffectiveIncomeTaxRateReconciliationOtherDifferencesInTaxableIncomeLossFromGAAP	-0.052
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.073
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.109
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.003
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.004
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1376000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5524000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5527000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4664000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4552000	usd
CY2022Q3	mfa	Operating Lease Liability To Be Paid After Year Four OperatingLeaseLiabilityToBePaidAfterYearFour	49604000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	71247000	usd
CY2022Q3	mfa	Unfunded Commitment UnfundedCommitment	542800000	usd
CY2022Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	45000000	usd
CY2022Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000	usd
CY2020Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	250000000	shares
CY2022Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2021Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	6476746	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2901557	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	15.80
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	16.57
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	102100000	usd
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CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	202500000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-5851000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-14510000	usd
CY2022Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-5851000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-14510000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-7820000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-20538000	usd
CY2021Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7820000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20538000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-55018000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-238291000	usd
	us-gaap	Net Income Loss NetIncomeLoss	284747000	usd
CY2022Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	8218000	usd
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	8218000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	24656000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	24656000	usd
CY2022Q3	mfa	Participating Securities Distributed And Undistributed Earnings Loss Basic And Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasicAndDiluted	174000	usd
CY2021Q3	mfa	Participating Securities Distributed And Undistributed Earnings Loss Basic And Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasicAndDiluted	435000	usd
	mfa	Participating Securities Distributed And Undistributed Earnings Loss Basic And Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasicAndDiluted	489000	usd
	mfa	Participating Securities Distributed And Undistributed Earnings Loss Basic And Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasicAndDiluted	915000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-63410000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123858000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-263436000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	259176000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	101795000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110222000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103609000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111120000	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.54
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.33
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-63410000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123858000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-263436000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	259176000	usd
CY2022Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	usd
CY2021Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	3920000	usd
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	usd
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	11743000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	0	usd
CY2021Q3	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	435000	usd
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Diluted UndistributedEarningsLossAvailableToCommonShareholdersDiluted	915000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-63410000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	128213000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-263436000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	271834000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	101795000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	110222000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103609000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111120000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	7230000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	7230000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1064000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	640000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	101795000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118516000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	103609000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	118990000	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.54
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.28
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4500000	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2000000	shares
CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2673000	usd
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2306000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8858000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6738000	usd
CY2022Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	6543373000	usd
CY2022Q3	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	2860253000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	5562034000	usd
CY2021Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	1316131000	usd
CY2022Q3	mfa	Other Real Estate Fair Value OtherRealEstateFairValue	61900000	usd
CY2021Q3	mfa	Other Real Estate Fair Value OtherRealEstateFairValue	50000000	usd
CY2022Q3	mfa	Loans Including Fair Value Loans Credit Impaired Loans And Other Loans At Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansAndOtherLoansAtCarryingValue	8200000000	usd
CY2021Q4	mfa	Loans Including Fair Value Loans Credit Impaired Loans And Other Loans At Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansAndOtherLoansAtCarryingValue	7900000000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	123872000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	71579000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	52293000	usd
CY2022Q3	mfa	Reversal Provision For Credit Losses On Residential Whole Loans ReversalProvisionForCreditLossesOnResidentialWholeLoans	588000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	51705000	usd
CY2022Q3	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	-291875000	usd
CY2022Q3	us-gaap	Gain Loss From Price Risk Management Activity GainLossFromPriceRiskManagementActivity	111816000	usd
CY2022Q3	mfa	Unrealized Gain Loss On Securitized Debt UnrealizedGainLossOnSecuritizedDebt	98858000	usd
CY2022Q3	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	3860000	usd
CY2022Q3	mfa	Origination Servicing And Other Fee Income OriginationServicingAndOtherFeeIncome	12372000	usd
CY2022Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	778000	usd
CY2022Q3	mfa	Noninterest Income Loss Net NoninterestIncomeLossNet	-64191000	usd
CY2022Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29875000	usd
CY2022Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11357000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-55018000	usd
CY2022Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
CY2022Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	-63236000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	90881000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	29065000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	61816000	usd
CY2021Q3	mfa	Reversal Provision For Credit Losses On Residential Whole Loans ReversalProvisionForCreditLossesOnResidentialWholeLoans	-9709000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	71525000	usd
CY2021Q3	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	21815000	usd
CY2021Q3	us-gaap	Gain Loss From Price Risk Management Activity GainLossFromPriceRiskManagementActivity	2085000	usd
CY2021Q3	mfa	Unrealized Gain Loss On Securitized Debt UnrealizedGainLossOnSecuritizedDebt	857000	usd
CY2021Q3	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	6829000	usd
CY2021Q3	us-gaap	Business Combination Separately Recognized Transactions Revenues And Gains Recognized BusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized	38933000	usd
CY2021Q3	mfa	Origination Servicing And Other Fee Income OriginationServicingAndOtherFeeIncome	9638000	usd
CY2021Q3	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	14289000	usd
CY2021Q3	mfa	Noninterest Income Loss Net NoninterestIncomeLossNet	94446000	usd
CY2021Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	24869000	usd
CY2021Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	5291000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3300000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	usd
CY2021Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	124293000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	339542000	usd
	us-gaap	Interest Expense InterestExpense	171617000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	167925000	usd
	mfa	Reversal Provision For Credit Losses On Residential Whole Loans ReversalProvisionForCreditLossesOnResidentialWholeLoans	-1106000	usd
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	28579000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	140452000	usd
	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	-796664000	usd
	us-gaap	Gain Loss From Price Risk Management Activity GainLossFromPriceRiskManagementActivity	253721000	usd
	mfa	Unrealized Gain Loss On Securitized Debt UnrealizedGainLossOnSecuritizedDebt	247548000	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	19777000	usd
	mfa	Origination Servicing And Other Fee Income OriginationServicingAndOtherFeeIncome	37539000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-10076000	usd
	mfa	Noninterest Income Loss Net NoninterestIncomeLossNet	-248155000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	87695000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	34993000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7900000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-238291000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	-262947000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	256460000	usd
	us-gaap	Interest Expense InterestExpense	84690000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	171770000	usd
	mfa	Reversal Provision For Credit Losses On Residential Whole Loans ReversalProvisionForCreditLossesOnResidentialWholeLoans	-41326000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	213096000	usd
	mfa	Mortgage Loans On Real Estate Gain Loss On Loans At Fair Value MortgageLoansOnRealEstateGainLossOnLoansAtFairValue	59325000	usd
	us-gaap	Gain Loss From Price Risk Management Activity GainLossFromPriceRiskManagementActivity	1028000	usd
	mfa	Unrealized Gain Loss On Securitized Debt UnrealizedGainLossOnSecuritizedDebt	8254000	usd
	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	13725000	usd
	us-gaap	Business Combination Separately Recognized Transactions Revenues And Gains Recognized BusinessCombinationSeparatelyRecognizedTransactionsRevenuesAndGainsRecognized	38933000	usd
	mfa	Origination Servicing And Other Fee Income OriginationServicingAndOtherFeeIncome	9638000	usd
	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	19510000	usd
	mfa	Noninterest Income Loss Net NoninterestIncomeLossNet	150413000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	56871000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	18591000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3300000	usd
	us-gaap	Net Income Loss NetIncomeLoss	284747000	usd
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	usd
	mfa	Net Income Loss Available To Common Stockholders Basic And Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndParticipatingSecurities	260091000	usd
CY2022Q3	us-gaap	Assets Assets	9519846000	usd
CY2021Q4	us-gaap	Assets Assets	9139688000	usd

Files In Submission

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mfa-20220930_htm.xml	Edgar Link	completed
0001055160-22-000023-index-headers.html	Edgar Link	pending
0001055160-22-000023-index.html	Edgar Link	pending
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exhibit311certificationofc.htm	Edgar Link	pending
exhibit312certificationofc.htm	Edgar Link	pending
exhibit321certificationofc.htm	Edgar Link	pending
exhibit322certificationofc.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable

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$MFA
MFA FINANCIAL, INC. Stock $mfa

2022 Q4 Form 10-Q Financial Statement

#000105516022000023 Filed on November 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA MFA FINANCIAL, INC. Stock $mfa

2022 Q4 Form 10-Q Financial Statement

#000105516022000023 Filed on November 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA
MFA FINANCIAL, INC. Stock $mfa