$MFA
MFA FINANCIAL, INC. Stock $mfa

$mfa Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000105516021000020 Filed on November 05, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q3
Revenue	$74.51M	$90.88M	$82.64M
YoY Change	23.2%	9.98%	-42.1%
Cost Of Revenue	$35.70M	$29.07M	$56.00M
YoY Change	-12.94%	-48.1%	-34.73%
Gross Profit	$38.81M	$129.8M	$87.40M
YoY Change	-23.75%	48.5%	-26.74%
Gross Profit Margin	52.09%	142.81%	105.77%
Selling, General & Admin	$28.68M	$24.87M	$18.30M
YoY Change	222.19%	35.9%	41.86%
% of Gross Profit	73.88%	19.16%	20.94%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.300M	$3.300M
YoY Change
% of Gross Profit	8.5%	2.54%
Operating Expenses	$40.71M	$23.75M	$0.00
YoY Change	714.28%	838941135291581400.0%	-100.0%
Operating Profit	-$1.903M	$106.0M	$87.40M
YoY Change	-104.15%	21.33%	-8.48%
Interest Expense		$29.07M	$55.96M
YoY Change		-48.06%	-34.79%
% of Operating Profit		27.41%	64.03%
Other Income/Expense, Net
YoY Change
Pretax Income	$44.12M	$132.5M	$87.20M
YoY Change	-3.66%	51.96%	-8.79%
Income Tax		$837.0K
% Of Pretax Income		0.63%
Net Earnings	$44.12M	$132.5M	$87.21M
YoY Change	-3.7%	51.94%	-8.78%
Net Earnings / Revenue	59.22%	145.81%	105.54%
Basic Earnings Per Share		$0.28	$0.17
Diluted Earnings Per Share	$375.2K	$0.27	$0.17
COMMON SHARES
Basic Shares Outstanding	440.9M shares	440.9M shares	453.3M shares
Diluted Shares Outstanding		473.2M shares	493.5M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$304.7M	$526.2M	$884.0M
YoY Change	-62.57%	-40.47%	474.03%
Cash & Equivalents	$304.7M	$526.2M	$884.2M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$354.9M	$567.7M	$884.0M
YoY Change	-56.4%	-35.78%	474.03%
LONG-TERM ASSETS
Property, Plant & Equipment	$39.37M	$39.50M
YoY Change
Goodwill	$61.08M	$61.08M
YoY Change
Intangibles	$21.40M	$24.70M
YoY Change
Long-Term Investments	$8.209B	$7.409B	$6.128B
YoY Change	41.24%	20.9%	-49.67%
Other Assets	$99.75M	$55.51M	$5.000M
YoY Change	1325.01%	1010.14%	-87.18%
Total Long-Term Assets	$8.785B	$7.920B	$6.599B
YoY Change	43.58%	20.02%	-49.04%
TOTAL ASSETS
Total Short-Term Assets	$354.9M	$567.7M	$884.0M
Total Long-Term Assets	$8.785B	$7.920B	$6.599B
Total Assets	$9.140B	$8.488B	$7.483B
YoY Change	31.84%	13.42%	-42.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$170.3M	$128.7M	$44.00M
YoY Change	360.29%	192.48%	-18.52%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$218.1M	$336.0M	$67.00M
YoY Change	207.12%	401.43%	-99.23%
LONG-TERM LIABILITIES
Long-Term Debt	$6.379B	$5.551B	$4.851B
YoY Change	47.08%	14.43%	391.99%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$6.379B	$5.551B	$4.851B
YoY Change	47.08%	14.43%	391.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$218.1M	$336.0M	$67.00M
Total Long-Term Liabilities	$6.379B	$5.551B	$4.851B
Total Liabilities	$6.597B	$5.887B	$4.918B
YoY Change	49.67%	19.71%	-49.31%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.279B	-$1.268B	-$1.409B
YoY Change	-8.95%	-10.04%	121.12%
Common Stock	$1.082M	$4.409M	$4.533M
YoY Change	-76.05%	-2.74%	0.35%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.543B	$2.601B	$2.566B
YoY Change
Total Liabilities & Shareholders Equity	$9.140B	$8.488B	$7.483B
YoY Change	31.84%	13.42%	-42.9%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$44.12M	$132.5M	$87.21M
YoY Change	-3.7%	51.94%	-8.78%
Depreciation, Depletion And Amortization	$3.300M	$3.300M
YoY Change
Cash From Operating Activities	$11.22M	$12.48M	-$39.80M
YoY Change	-48.05%	-131.35%	-158.79%
INVESTING ACTIVITIES
Capital Expenditures	$38.69M	-$7.146M	-$1.400M
YoY Change	-1205.34%	410.43%	250.0%
Acquisitions
YoY Change
Other Investing Activities	-$980.0M	-$1.258B	$462.0M
YoY Change	-288.09%	-372.32%	165.06%
Cash From Investing Activities	-$941.3M	-$1.265B	$460.6M
YoY Change	-281.89%	-374.69%	164.56%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	752.8M	919.3M	-205.0M
YoY Change	-223.99%	-548.42%	21.88%
NET CHANGE
Cash From Operating Activities	11.22M	12.48M	-39.80M
Cash From Investing Activities	-941.3M	-1.265B	460.6M
Cash From Financing Activities	752.8M	919.3M	-205.0M
Net Change In Cash	-177.3M	-333.5M	215.8M
YoY Change	160.74%	-254.54%	193.21%
FREE CASH FLOW
Cash From Operating Activities	$11.22M	$12.48M	-$39.80M
Capital Expenditures	$38.69M	-$7.146M	-$1.400M
Free Cash Flow	-$27.47M	$19.62M	-$38.40M
YoY Change	-209.43%	-151.1%	-156.39%

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	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	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
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	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	0	USD
	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	44434000	USD
CY2021Q3	us-gaap	Costs And Expenses CostsAndExpenses	33460000	USD
CY2020Q3	us-gaap	Costs And Expenses CostsAndExpenses	27260000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	78762000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	120833000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	87210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	284747000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-725207000	USD
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8219000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	21578000	USD
CY2021Q3	mfa	Net Income Loss Availableto Common Stockholders Basicand Participating Securities NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities	124293000	USD
CY2020Q3	mfa	Net Income Loss Availableto Common Stockholders Basicand Participating Securities NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities	78991000	USD
	mfa	Net Income Loss Availableto Common Stockholders Basicand Participating Securities NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities	260091000	USD
	mfa	Net Income Loss Availableto Common Stockholders Basicand Participating Securities NetIncomeLossAvailabletoCommonStockholdersBasicandParticipatingSecurities	-746785000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.65
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	87210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	284747000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-725207000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-8029000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	15082000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-21473000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	408585000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	60000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	389127000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	85522000	USD
CY2021Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2020Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	-344269000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-50127000	USD
CY2021Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-209000	USD
CY2020Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	22652000	USD
	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	-935000	USD
	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	22652000	USD
CY2021Q3	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	0	USD
CY2020Q3	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	7176000	USD
	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	0	USD
	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	72802000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7820000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-454000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-20538000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-324788000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	124691000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86756000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	264209000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1049995000	USD
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8218000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	8219000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	24656000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	21578000	USD
CY2021Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	116473000	USD
CY2020Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	78537000	USD
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	239553000	USD
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	-1071573000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	2524802000	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	0.075
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	0.10
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	0.10
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	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
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	3383952000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2266000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-908995000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	687000	USD
CY2020Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2652000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1266000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	1059000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-243812000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-48533000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	2440675000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	96578000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	37000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1709000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-96021000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	64032000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	14041000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	2521051000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	87210000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	-81000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.05
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	22667000	USD
CY2020Q3	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	92000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	15022000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	7176000	USD
CY2020Q3	mfa	Other Comprehensive Income Loss Change In Fair Value Of Financing Agreements At Fair Value OtherComprehensiveIncomeLossChangeInFairValueOfFinancingAgreementsAtFairValue	22652000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2565656000	USD
	us-gaap	Net Income Loss NetIncomeLoss	284747000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-725207000	USD
	mfa	Residential Whole Loans Gain Loss ResidentialWholeLoansGainLoss	67844000	USD
	mfa	Residential Whole Loans Gain Loss ResidentialWholeLoansGainLoss	-280142000	USD
	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	1969000	USD
	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	71569000	USD
	mfa	Impairment And Other Gains Losses On Securities Available For Sale And Other Assets And Investments ImpairmentAndOtherGainsLossesOnSecuritiesAvailableForSaleAndOtherAssetsAndInvestments	-49039000	USD
	mfa	Impairment And Other Gains Losses On Securities Available For Sale And Other Assets And Investments ImpairmentAndOtherGainsLossesOnSecuritiesAvailableForSaleAndOtherAssetsAndInvestments	424966000	USD
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	0	USD
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-57034000	USD
	mfa	Accretion And Amortization Of Purchase Discounts AccretionAndAmortizationOfPurchaseDiscounts	23295000	USD
	mfa	Accretion And Amortization Of Purchase Discounts AccretionAndAmortizationOfPurchaseDiscounts	-13367000	USD
	mfa	Provisionfor Creditand Valuation Losseson Residential Whole Loans And Other Financial Instruments At Carrying Value ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue	-43550000	USD
	mfa	Provisionfor Creditand Valuation Losseson Residential Whole Loans And Other Financial Instruments At Carrying Value ProvisionforCreditandValuationLossesonResidentialWholeLoansAndOtherFinancialInstrumentsAtCarryingValue	38090000	USD
	mfa	Other Non Cash Losses Included In Net Income OtherNonCashLossesIncludedInNetIncome	16112000	USD
	mfa	Other Non Cash Losses Included In Net Income OtherNonCashLossesIncludedInNetIncome	16388000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-20484000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-459000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-26574000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-16919000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	109072000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16751000	USD
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	2877090000	USD
	us-gaap	Payments To Acquire Loans Held For Investment PaymentsToAcquireLoansHeldForInvestment	1345422000	USD
	mfa	Proceeds From Sale Of Residential Whole Loans ProceedsFromSaleOfResidentialWholeLoans	0	USD
	mfa	Proceeds From Sale Of Residential Whole Loans ProceedsFromSaleOfResidentialWholeLoans	1521060000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1433199000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	1261319000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	6122000	USD
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	163748000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3790148000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	130686000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	609758000	USD
	mfa	Purchaseof Real Estate Ownedand Capital Improvements PurchaseofRealEstateOwnedandCapitalImprovements	1087000	USD
	mfa	Purchaseof Real Estate Ownedand Capital Improvements PurchaseofRealEstateOwnedandCapitalImprovements	9334000	USD
	mfa	Proceeds From Real Estate Owned ProceedsFromRealEstateOwned	133157000	USD
	mfa	Proceeds From Real Estate Owned ProceedsFromRealEstateOwned	203603000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	50735000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1425000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1225748000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	5865959000	USD
	mfa	Principal Paymentson Securities Soldunder Agreementsto Repurchaseand Other Advances PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances	941468000	USD
	mfa	Principal Paymentson Securities Soldunder Agreementsto Repurchaseand Other Advances PrincipalPaymentsonSecuritiesSoldunderAgreementstoRepurchaseandOtherAdvances	21401578000	USD
	mfa	Proceedsfrom Securities Soldunder Agreementsto Repurchase With Markto Market Collateral Provisions ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions	2009691000	USD
	mfa	Proceedsfrom Securities Soldunder Agreementsto Repurchase With Markto Market Collateral Provisions ProceedsfromSecuritiesSoldunderAgreementstoRepurchaseWithMarktoMarketCollateralProvisions	13749720000	USD
	mfa	Principal Payments On Financing Agreements With Non Mark To Market Collateral Provisions PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	1484127000	USD
	mfa	Principal Payments On Financing Agreements With Non Mark To Market Collateral Provisions PrincipalPaymentsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	464838000	USD
	mfa	Proceeds From Borrowings On Financing Agreements With Non Mark To Market Collateral Provisions ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	1582982000	USD
	mfa	Proceeds From Borrowings On Financing Agreements With Non Mark To Market Collateral Provisions ProceedsFromBorrowingsOnFinancingAgreementsWithNonMarkToMarketCollateralProvisions	2908710000	USD
	mfa	Payments Madefor Securitization Related Cost PaymentsMadeforSecuritizationRelatedCost	6847000	USD
	mfa	Payments Madefor Securitization Related Cost PaymentsMadeforSecuritizationRelatedCost	0	USD
	mfa	Principal Payment On Redemption Of Senior Notes PrincipalPaymentOnRedemptionOfSeniorNotes	100000000	USD
	mfa	Principal Payment On Redemption Of Senior Notes PrincipalPaymentOnRedemptionOfSeniorNotes	0	USD
	mfa	Payments Made For Margin Calls On Repurchase Agreements And Derivatives PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives	0	USD
	mfa	Payments Made For Margin Calls On Repurchase Agreements And Derivatives PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives	88405000	USD
	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	0	USD
	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	275000000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	8948000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1297000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	725000	USD
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	0	USD
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	14041000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	48075000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	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	21578000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	111892000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	90749000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	876905000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5127900000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-239771000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	754810000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	821519000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	134664000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	581748000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	889474000	USD
	us-gaap	Interest Paid Net InterestPaidNet	81636000	USD
	us-gaap	Interest Paid Net InterestPaidNet	213318000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	50043000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	74891000	USD
CY2021Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	44247000	USD
CY2020Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	22758000	USD
	mfa	Noncash Payablefor Unsettled Loan Purchases NoncashPayableforUnsettledLoanPurchases	163015000	USD
	mfa	Noncash Payablefor Unsettled Loan Purchases NoncashPayableforUnsettledLoanPurchases	0	USD
	mfa	Right Of Use Lease And Asset Lease Liability RightOfUseLeaseAndAssetLeaseLiability	40893000	USD
	mfa	Right Of Use Lease And Asset Lease Liability RightOfUseLeaseAndAssetLeaseLiability	0	USD
	mfa	Termination Of Outstanding Preferred Equity Interests At Acquisition TerminationOfOutstandingPreferredEquityInterestsAtAcquisition	22030000	USD
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	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 2(n)).</span></div>
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
	mfa	Number Of Days Considered To Classify Loans Delinquent NumberOfDaysConsideredToClassifyLoansDelinquent	P60D
	mfa	Ratio Loan To Value RatioLoanToValue	0.80
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	526200000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	814400000	USD
CY2021Q3	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	461700000	USD
CY2020Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	752400000	USD
CY2021Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	55500000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	7200000	USD
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	mfa	Repurchase Agreements Financing Period Low End Of Range RepurchaseAgreementsFinancingPeriodLowEndOfRange	P1M
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	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-43300000	USD
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CY2021Q3	mfa	Loans Including Fair Value Loans Credit Impaired Loansand Other Loansat Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansandOtherLoansatCarryingValue	7100000000	USD
CY2020Q4	mfa	Loans Including Fair Value Loans Credit Impaired Loansand Other Loansat Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansandOtherLoansatCarryingValue	5300000000	USD
CY2021Q3	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	44102000	USD
CY2020Q4	us-gaap	Allowance For Loan And Lease Losses Real Estate AllowanceForLoanAndLeaseLossesRealEstate	86833000	USD
CY2021Q3	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	7081462000	USD
CY2020Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	5325401000	USD
CY2020Q4	mfa	Residential Whole Loans ResidentialWholeLoans	18734	loan
CY2021Q3	mfa	Unsettled Residential Whole Loans UnsettledResidentialWholeLoans	163000000	USD
CY2021Q3	mfa	Number Of Whole Loans Sold NumberOfWholeLoansSold	0	loan
	mfa	Number Of Whole Loans Sold NumberOfWholeLoansSold	0	loan
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
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3025000	USD
CY2020Q1	mfa	Financing Receivable Allowancefor Credit Loss Adoptionof New Accounting Principle FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple	70555000	USD
CY2020Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	74897000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	647000	USD
CY2020Q1	mfa	Financing Receivable Valuation Allowance Adjustment FinancingReceivableValuationAllowanceAdjustment	70181000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	218011000	USD
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CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	627000	USD
CY2020Q2	mfa	Financing Receivable Valuation Allowance Adjustment FinancingReceivableValuationAllowanceAdjustment	-70181000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	136589000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-30062000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	281000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	106246000	USD
	mfa	Financing Receivable Allowancefor Credit Loss Adoptionof New Accounting Principle FinancingReceivableAllowanceforCreditLossAdoptionofNewAccountingPrinciple	70600000	USD
	mfa	Financing Receivable Gross Upof Amortized Costof Purchased Credit Deteriorated Loans FinancingReceivableGrossUpofAmortizedCostofPurchasedCreditDeterioratedLoans	62400000	USD
CY2021Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	105270000	USD
CY2021Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	415756000	USD
CY2021Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	1215425000	USD
CY2021Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	546523000	USD
CY2021Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	59843000	USD
CY2021Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	689149000	USD
CY2021Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3031966000	USD
	mfa	Financing Receivable Originated In Fiscal Year Before Fiscal Year Gross Write Offs FinancingReceivableOriginatedInFiscalYearBeforeFiscalYearGrossWriteOffs	0	USD
	mfa	Financing Receivable Originated Two Yearsbefore Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearGrossWriteOffs	1115000	USD
	mfa	Financing Receivable Originated Three Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearGrossWriteOffs	505000	USD
	mfa	Financing Receivable Originated Four Years Before Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYearGrossWriteOffs	123000	USD
	mfa	Financing Receivable Originated Fiveor More Yearsbefore Latest Fiscal Year Gross Write Offs FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearGrossWriteOffs	406000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2149000	USD
	mfa	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year Net Write Offs FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYearNetWriteOffs	0	USD
	mfa	Financing Receivable Originated Two Yearsbefore Latest Fiscal Year Net Write Offs FinancingReceivableOriginatedTwoYearsbeforeLatestFiscalYearNetWriteOffs	1115000	USD
	mfa	Financing Receivable Originated Three Years Before Latest Fiscal Year Net Write Offs FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYearNetWriteOffs	505000	USD
	mfa	Financing Receivable Originated Four Years Before Latest Fiscal Year Net Write Offs FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYearNetWriteOffs	123000	USD
	mfa	Financing Receivable Originated Fiveor More Yearsbefore Latest Fiscal Year Net Write Offs FinancingReceivableOriginatedFiveorMoreYearsbeforeLatestFiscalYearNetWriteOffs	406000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2149000	USD
CY2021Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	20494000	USD
CY2020Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	58863000	USD
	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	58807000	USD
	mfa	Residential Whole Loans Fair Value Net Income Loss Unrealized Gains Losses Net ResidentialWholeLoansFairValueNetIncomeLossUnrealizedGainsLossesNet	-13683000	USD
CY2021Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	1321000	USD
CY2020Q3	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	1453000	USD
	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	518000	USD
	mfa	Residential Whole Loans Fair Value Net Income Loss Coupon Payments Realized Gains And Other Income Received ResidentialWholeLoansFairValueNetIncomeLossCouponPaymentsRealizedGainsAndOtherIncomeReceived	3601000	USD
CY2021Q3	mfa	Mortgage Loanson Real Estate Gain Losson Loansat Fair Value MortgageLoansonRealEstateGainLossonLoansatFairValue	21815000	USD
CY2020Q3	mfa	Mortgage Loanson Real Estate Gain Losson Loansat Fair Value MortgageLoansonRealEstateGainLossonLoansatFairValue	60316000	USD
	mfa	Mortgage Loanson Real Estate Gain Losson Loansat Fair Value MortgageLoansonRealEstateGainLossonLoansatFairValue	59325000	USD
	mfa	Mortgage Loanson Real Estate Gain Losson Loansat Fair Value MortgageLoansonRealEstateGainLossonLoansatFairValue	-10082000	USD
	mfa	Mortgage Backed Securities Period Of Fixed Rate Mortgages Minimum MortgageBackedSecuritiesPeriodOfFixedRateMortgagesMinimum	P15Y
	mfa	Mortgage Backed Securities Periodof Fixed Rate Mortgages Maximum MortgageBackedSecuritiesPeriodofFixedRateMortgagesMaximum	P30Y
CY2021Q3	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	0	USD
CY2021Q3	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	0	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	116000	USD
CY2020Q3	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	48000	USD
	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	0	USD
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	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	3062858000	USD
	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	61697000	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	66163000	USD
CY2020Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	52889000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	79607000	USD
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CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	60000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	389127000	USD
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CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesNetOfTax	0	USD
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CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	58134000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	67911000	USD
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CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	67911000	USD
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178802000	USD
CY2020Q4	us-gaap	Real Estate Investments RealEstateInvestments	249699000	USD
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CY2020Q4	mfa	Capital Contributionsto Loan Origination Partners CapitalContributionstoLoanOriginationPartners	47148000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	61615000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	0	USD
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CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24700000	USD
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CY2021Q3	us-gaap	Other Interest Earning Assets OtherInterestEarningAssets	35437000	USD
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CY2021Q3	us-gaap	Interest Receivable InterestReceivable	41432000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	38850000	USD
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CY2021Q3	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	61338000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	32244000	USD
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CY2020Q4	us-gaap	Other Assets OtherAssets	385381000	USD
CY2021Q3	mfa	Real Estate Heldfor Investment RealEstateHeldforInvestment	16100000	USD
CY2020Q4	mfa	Real Estate Heldfor Investment RealEstateHeldforInvestment	61800000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	3300000	USD
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178800000	USD
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CY2020Q4	us-gaap	Real Estate Investments RealEstateInvestments	249700000	USD
CY2021Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	176300000	USD
CY2021Q2	us-gaap	Real Estate Investments RealEstateInvestments	204762000	USD
CY2020Q2	us-gaap	Real Estate Investments RealEstateInvestments	348516000	USD
CY2020Q4	us-gaap	Real Estate Investments RealEstateInvestments	249699000	USD
CY2019Q4	us-gaap	Real Estate Investments RealEstateInvestments	411659000	USD
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	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	50043000	USD
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	74891000	USD
CY2021Q3	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	1584000	USD
CY2020Q3	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	771000	USD
	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	2207000	USD
	mfa	Real Estate Investments Additions RealEstateInvestmentsAdditions	10072000	USD
CY2021Q3	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	36769000	USD
CY2020Q3	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	66185000	USD
	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	119757000	USD
	mfa	Real Estate Investments Disposals RealEstateInvestmentsDisposals	185959000	USD
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178802000	USD
CY2020Q3	us-gaap	Real Estate Investments RealEstateInvestments	298867000	USD
CY2021Q3	us-gaap	Real Estate Investments RealEstateInvestments	178802000	USD
CY2020Q3	us-gaap	Real Estate Investments RealEstateInvestments	298867000	USD
CY2021Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	674	property
CY2020Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	1131	property
CY2021Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	674	property
CY2020Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	1131	property
CY2020Q4	mfa	Pledged Financial Instruments Not Separately Reported Securities Pledged Aggregate Fair Value And Accrued Interest PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest	24600000	USD
CY2021Q3	mfa	Gainrecordedontransferfromresidentialwholeloanstorealestateowned Gainrecordedontransferfromresidentialwholeloanstorealestateowned	700000	USD
CY2020Q3	mfa	Gainrecordedontransferfromresidentialwholeloanstorealestateowned Gainrecordedontransferfromresidentialwholeloanstorealestateowned	834000	USD
	mfa	Gainrecordedontransferfromresidentialwholeloanstorealestateowned Gainrecordedontransferfromresidentialwholeloanstorealestateowned	-400000	USD
	mfa	Gainrecordedontransferfromresidentialwholeloanstorealestateowned Gainrecordedontransferfromresidentialwholeloanstorealestateowned	4100000	USD
CY2021Q3	mfa	Numberof Real Estate Properties Sold During Period NumberofRealEstatePropertiesSoldDuringPeriod	151	property
	mfa	Numberof Real Estate Properties Sold During Period NumberofRealEstatePropertiesSoldDuringPeriod	470	loan
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
CY2020Q3	mfa	Numberof Real Estate Properties Sold During Period NumberofRealEstatePropertiesSoldDuringPeriod	267	property
	mfa	Numberof Real Estate Properties Sold During Period NumberofRealEstatePropertiesSoldDuringPeriod	812	property
CY2020Q3	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	69900000	USD
	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	195200000	USD
CY2020Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	3900000	USD
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	10000000	USD
CY2021Q3	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	-10000000	USD
CY2021Q2	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2020Q2	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-7176000	USD
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CY2021Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2020Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
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CY2021Q3	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	0	USD
CY2020Q3	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	7176000	USD
	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	0	USD
	mfa	Other Comprehensive Income Loss Amortizationof De Designated Hedging Instrumentsafter Reclassificationand Tax OtherComprehensiveIncomeLossAmortizationofDeDesignatedHedgingInstrumentsafterReclassificationandTax	72802000	USD
CY2021Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2020Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2021Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2020Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2021Q3	mfa	Financing Agreements Unpaid Principal Balance FinancingAgreementsUnpaidPrincipalBalance	5557639000	USD
CY2021Q3	mfa	Financing Agreements Fair Valueand Carrying Value FinancingAgreementsFairValueandCarryingValue	5550808000	USD
CY2020Q4	mfa	Financing Agreements Unpaid Principal Balance FinancingAgreementsUnpaidPrincipalBalance	4339479000	USD
CY2020Q4	mfa	Financing Agreements Fair Valueand Carrying Value FinancingAgreementsFairValueandCarryingValue	4336976000	USD
CY2020Q4	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	7	counterparty
CY2021Q3	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	7	counterparty
CY2021Q3	mfa	Repurchase Agreement Counterparty Risk As Percentage Of Stockholders Equity RepurchaseAgreementCounterpartyRiskAsPercentageOfStockholdersEquity	0.05
CY2021Q3	us-gaap	Pledged Assets Separately Reported Securities Pledged For Repurchase Agreements At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForRepurchaseAgreementsAtFairValue	7024171000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Repurchase Agreements At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForRepurchaseAgreementsAtFairValue	5842560000	USD
CY2021Q3	mfa	Pledged Financial Instruments Not Separately Reported Securities Pledged Aggregate Fair Value And Accrued Interest PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest	21400000	USD
CY2021Q3	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	4800000000	USD
CY2020Q4	us-gaap	Securities Sold Under Agreements To Repurchase Fair Value Of Collateral SecuritiesSoldUnderAgreementsToRepurchaseFairValueOfCollateral	4200000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	0	USD
CY2021Q3	us-gaap	Derivative Liability Fair Value Of Collateral DerivativeLiabilityFairValueOfCollateral	0	USD
CY2021Q3	mfa	Accounts Payable Related To Unsettled Residential Whole Loan Purchases AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases	163015000	USD
CY2020Q4	mfa	Accounts Payable Related To Unsettled Residential Whole Loan Purchases AccountsPayableRelatedToUnsettledResidentialWholeLoanPurchases	0	USD
CY2021Q3	mfa	Dividendsand Dividend Equivalents Payable DividendsandDividendEquivalentsPayable	44247000	USD
CY2020Q4	mfa	Dividendsand Dividend Equivalents Payable DividendsandDividendEquivalentsPayable	34016000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	44284000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	636000	USD
CY2021Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	11174000	USD
CY2020Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	11116000	USD
CY2021Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	73235000	USD
CY2020Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	24754000	USD
CY2021Q3	us-gaap	Other Liabilities OtherLiabilities	335955000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	70522000	USD
CY2021Q3	us-gaap	Property Subject To Or Available For Operating Lease Number Of Units PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits	2	lease
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	465000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5220000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5236000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5230000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4638000	USD
CY2021Q3	mfa	Operating Lease Liability To Be Paid After Year Four OperatingLeaseLiabilityToBePaidAfterYearFour	54156000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	74945000	USD
CY2021Q3	mfa	Unfunded Commitment UnfundedCommitment	186500000	USD
CY2021Q3	mfa	Unsettled Residential Whole Loans UnsettledResidentialWholeLoans	163000000	USD
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000	USD
CY2013Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	10000000	shares
CY2013Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	6600000	shares
	mfa	Stock Repurchase Program Stock Repurchased And Retired During Period Shares StockRepurchaseProgramStockRepurchasedAndRetiredDuringPeriodShares	11606229	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	4.14
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	48100000	USD
	mfa	Payments For Fees Related To Repurchase Of Shares PaymentsForFeesRelatedToRepurchaseOfShares	116000	USD
CY2021Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	117700000	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
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-7570000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	335806000	USD
CY2020Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-7116000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	660594000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-454000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-324788000	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
CY2020Q3	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-7116000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	660594000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	132511000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	87210000	USD
	us-gaap	Net Income Loss NetIncomeLoss	284747000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-725207000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	8218000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	8219000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	24656000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	21578000	USD
CY2021Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	435000	USD
CY2020Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	325000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	915000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	91000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123858000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	78666000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	259176000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-746876000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	440889000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	453323000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	444481000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	453170000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123858000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	78666000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	259176000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-746876000	USD
CY2021Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	3920000	USD
CY2020Q3	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	3898000	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	11743000	USD
	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	USD
CY2021Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	-435000	USD
CY2020Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	0	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	-915000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	0	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	128213000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	82564000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	271834000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-746876000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	440889000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	453323000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	444481000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	453170000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	28920000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	28920000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	28920000	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3377000	shares
CY2020Q3	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	1623000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	11297000	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	473186000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	493540000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	475024000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	453170000	shares
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.65
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7000000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	18000000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	10500000	shares
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2306000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2267000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6738000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5094000	USD
CY2021Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	4376635000	USD
CY2021Q3	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	530829000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1616901000	USD
CY2020Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	869482000	USD
CY2021Q3	mfa	Unsettled Residential Whole Loans UnsettledResidentialWholeLoans	163000000	USD
CY2021Q3	mfa	Other Real Estate Fair Value OtherRealEstateFairValue	50000000	USD
CY2020Q3	mfa	Other Real Estate Fair Value OtherRealEstateFairValue	74900000	USD
CY2021Q3	mfa	Loans Including Fair Value Loans Credit Impaired Loansand Other Loansat Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansandOtherLoansatCarryingValue	7100000000	USD
CY2020Q4	mfa	Loans Including Fair Value Loans Credit Impaired Loansand Other Loansat Carrying Value LoansIncludingFairValueLoansCreditImpairedLoansandOtherLoansatCarryingValue	5300000000	USD
CY2021Q3	mfa	Unsettled Residential Whole Loans UnsettledResidentialWholeLoans	163000000	USD
CY2021Q3	mfa	Unsettled Residential Whole Loans UnsettledResidentialWholeLoans	163000000	USD

Files In Submission

Name	View Source	Status
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$MFA
MFA FINANCIAL, INC. Stock $mfa

2021 Q4 Form 10-Q Financial Statement

#000105516021000020 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA MFA FINANCIAL, INC. Stock $mfa

2021 Q4 Form 10-Q Financial Statement

#000105516021000020 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA
MFA FINANCIAL, INC. Stock $mfa