$MFA
MFA FINANCIAL, INC. Stock $mfa

$mfa Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-Q Financial Statement

#000110465912074557 Filed on November 06, 2012

Income Statement

Concept	2012 Q4	2012 Q3	2011 Q3
Revenue	$125.0M	$125.1M	$130.8M
YoY Change	0.79%	-4.31%	34.26%
Cost Of Revenue	$3.900M	$45.80M	$3.800M
YoY Change	8.33%	1105.26%
Gross Profit	$124.0M	$86.80M	$130.3M
YoY Change	0.57%	-33.38%	33.78%
Gross Profit Margin	99.23%	69.37%	99.64%
Selling, General & Admin	$15.60M	$8.700M	$8.700M
YoY Change	129.41%	0.0%	35.94%
% of Gross Profit	12.58%	10.02%	6.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.000M	$1.200M	$1.400M
YoY Change	150.0%	-14.29%	600.0%
% of Gross Profit	0.81%	1.38%	1.07%
Operating Expenses	$54.80M	$8.700M	$43.70M
YoY Change	30.48%	-80.09%	4.3%
Operating Profit	$69.20M	$78.10M	$86.60M
YoY Change	-14.88%	-9.82%	56.04%
Interest Expense	$43.05M	$45.80M	$38.75M
YoY Change	10.93%	18.19%	81.93%
% of Operating Profit	62.22%	58.64%	44.75%
Other Income/Expense, Net	$0.00		$400.0K
YoY Change	-100.0%		0.0%
Pretax Income	$69.20M	$78.10M	$83.70M
YoY Change	-1.98%	-6.69%	8.42%
Income Tax	$0.00	$0.00	$0.00
% Of Pretax Income	0.0%	0.0%	0.0%
Net Earnings	$69.22M	$78.14M	$83.70M
YoY Change	-1.91%	-6.64%	8.42%
Net Earnings / Revenue	55.39%	62.45%	64.01%
Basic Earnings Per Share
Diluted Earnings Per Share	$193.6K	$218.8K	$235.1K
COMMON SHARES
Basic Shares Outstanding	357.5M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2012 Q4	2012 Q3	2011 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$401.0M	$450.0M	$421.0M
YoY Change	1.78%	6.89%	55.35%
Cash & Equivalents	$401.3M	$450.4M	$421.0M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$445.0M	$495.0M	$465.0M
YoY Change	1.83%	6.45%	52.46%
LONG-TERM ASSETS
Property, Plant & Equipment			$11.00M
YoY Change			0.0%
Goodwill	$7.189M	$7.189M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$13.02B	$13.18B	$11.41B
YoY Change	16.02%	15.57%	42.85%
Other Assets	$5.000M	$7.000M	$22.00M
YoY Change	-68.75%	-68.18%	-46.34%
Total Long-Term Assets	$13.07B	$13.24B	$11.53B
YoY Change	15.55%	14.83%	41.07%
TOTAL ASSETS
Total Short-Term Assets	$445.0M	$495.0M	$465.0M
Total Long-Term Assets	$13.07B	$13.24B	$11.53B
Total Assets	$13.52B	$13.74B	$12.00B
YoY Change	15.04%	14.51%	41.48%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$16.00M	$14.00M	$7.000M
YoY Change	77.78%	100.0%	0.0%
Deferred Revenue
YoY Change
Short-Term Debt	$9.499B	$9.682B	$8.976B
YoY Change	9.32%	7.87%	49.72%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$9.628B	$9.898B	$9.073B
YoY Change	9.12%	9.09%	51.14%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$578.0M	$598.0M	$280.0M
YoY Change	34.11%	113.57%	52.17%
Total Long-Term Liabilities	$578.0M	$598.0M	$280.0M
YoY Change	34.11%	113.57%	52.17%
TOTAL LIABILITIES
Total Short-Term Liabilities	$9.628B	$9.898B	$9.073B
Total Long-Term Liabilities	$578.0M	$598.0M	$280.0M
Total Liabilities	$10.21B	$10.50B	$9.354B
YoY Change	10.31%	12.21%	51.19%
SHAREHOLDERS EQUITY
Retained Earnings	-$260.3M	-$255.6M
YoY Change	7.1%
Common Stock	$3.575M	$3.570M
YoY Change	0.39%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.311B	$3.239B	$2.641B
YoY Change
Total Liabilities & Shareholders Equity	$13.52B	$13.74B	$12.00B
YoY Change	15.04%	14.51%	41.48%

Cashflow Statement

Concept	2012 Q4	2012 Q3	2011 Q3
OPERATING ACTIVITIES
Net Income	$69.22M	$78.14M	$83.70M
YoY Change	-1.91%	-6.64%	8.42%
Depreciation, Depletion And Amortization	$1.000M	$1.200M	$1.400M
YoY Change	150.0%	-14.29%	600.0%
Cash From Operating Activities	$77.80M	$71.90M	$87.50M
YoY Change	-12.88%	-17.83%	31.98%
INVESTING ACTIVITIES
Capital Expenditures	$0.00	-$100.0K	-$1.000M
YoY Change	-100.0%	-90.0%	900.0%
Acquisitions
YoY Change
Other Investing Activities	$131.9M	-$472.5M	-$83.50M
YoY Change	-53.7%	465.87%	-193.19%
Cash From Investing Activities	$131.9M	-$472.6M	-$84.50M
YoY Change	-53.64%	459.29%	-194.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-258.8M	257.7M	-85.20M
YoY Change	-35.45%	-402.46%	-79.54%
NET CHANGE
Cash From Operating Activities	77.80M	71.90M	87.50M
Cash From Investing Activities	131.9M	-472.6M	-84.50M
Cash From Financing Activities	-258.8M	257.7M	-85.20M
Net Change In Cash	-49.10M	-143.0M	-82.20M
YoY Change	81.18%	73.97%	-68.46%
FREE CASH FLOW
Cash From Operating Activities	$77.80M	$71.90M	$87.50M
Capital Expenditures	$0.00	-$100.0K	-$1.000M
Free Cash Flow	$77.80M	$72.00M	$88.50M
YoY Change	-13.17%	-18.64%	33.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Registrant Name EntityRegistrantName	MFA FINANCIAL, INC.
	dei	Entity Central Index Key EntityCentralIndexKey	0001055160
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2012-09-30
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	357548609	shares
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
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CY2012Q3	us-gaap	Interest Receivable InterestReceivable	44980000	USD
CY2011Q4	us-gaap	Interest Receivable InterestReceivable	42837000	USD
CY2011Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	26000	USD
CY2012Q3	us-gaap	Goodwill Goodwill	7189000	USD
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CY2011Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	15879000	USD
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CY2011Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	7813159000	USD
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	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	6120000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	6120000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	76101000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81659000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	231500000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	239730000	USD
CY2012Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.21
CY2011Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.23
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.65
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.71
CY2012Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.21
CY2011Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.25
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.68
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.74
CY2012Q3	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	61999000	USD
CY2011Q3	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	12035000	USD
	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	47169000	USD
	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	50092000	USD
CY2012Q3	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Non Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnNonAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	409742000	USD
CY2011Q3	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Non Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnNonAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	-109294000	USD
	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Non Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnNonAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	666287000	USD
	mfa	Other Comprehensive Income Unrealized Holding Gain Loss On Non Agency Mortgage Backed Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnNonAgencyMortgageBackedSecuritiesArisingDuringPeriodNetOfTax	-250845000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	11654000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-10255000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	36025000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	4483000	USD
CY2012Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	558406000	USD
CY2011Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-24349000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	982772000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	51094000	USD
CY2012Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	556366000	USD
CY2011Q3	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	-26389000	USD
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	976652000	USD
	mfa	Comprehensive Income Loss To Common Stockholders And Participating Securities ComprehensiveIncomeLossToCommonStockholdersAndParticipatingSecurities	44974000	USD
CY2011	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.0850	pure
	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.0850	pure
CY2011Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25.00
CY2012Q3	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25.00
	mfa	Gain On Sales Of Mortgage Backed Securities GainOnSalesOfMortgageBackedSecurities	7232000	USD
	mfa	Accretion Of Purchase Discounts AccretionOfPurchaseDiscounts	28173000	USD
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-38175000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1998000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	6125000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2471000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2263000	USD
	mfa	Unrealized Gain And Other On Linked Transactions UnrealizedGainAndOtherOnLinkedTransactions	8851000	USD
	mfa	Unrealized Gain And Other On Linked Transactions UnrealizedGainAndOtherOnLinkedTransactions	-4831000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	47000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	344000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	37000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	5005000	USD
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-529000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4374000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2983000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	232593000	USD
	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	137079000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2896359000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	4430941000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	367000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2004000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-782281000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2667930000	USD
	mfa	Principal Payments On Securities Sold Under Agreements To Repurchase PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase	48911503000	USD
	mfa	Principal Payments On Securities Sold Under Agreements To Repurchase PrincipalPaymentsOnSecuritiesSoldUnderAgreementsToRepurchase	43843055000	USD
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase	49930670000	USD
	mfa	Proceeds From Securities Sold Under Agreements To Repurchase ProceedsFromSecuritiesSoldUnderAgreementsToRepurchase	45821751000	USD
	mfa	Proceeds From Issuance Of Securitized Debt ProceedsFromIssuanceOfSecuritizedDebt	186691000	USD
	mfa	Proceeds From Issuance Of Securitized Debt ProceedsFromIssuanceOfSecuritizedDebt	963255000	USD
	mfa	Payments On Securitized Debt PaymentsOnSecuritizedDebt	312740000	USD
	mfa	Payments On Securitized Debt PaymentsOnSecuritizedDebt	225782000	USD
	mfa	Payments For Resecuritization Related Costs PaymentsForResecuritizationRelatedCosts	1814000	USD
	mfa	Principal Payments On Linked Transactions PrincipalPaymentsOnLinkedTransactions	513418000	USD
	mfa	Principal Payments On Linked Transactions PrincipalPaymentsOnLinkedTransactions	2051908000	USD
	mfa	Proceeds From Linked Transactions ProceedsFromLinkedTransactions	390363000	USD
	mfa	Proceeds From Linked Transactions ProceedsFromLinkedTransactions	1464965000	USD
	mfa	Payments Made For Margin Calls On Repurchase Agreements And Derivatives PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives	2390000	USD
	mfa	Proceeds From Margin Calls On Repurchase Agreements And Derivatives ProceedsFromMarginCallsOnRepurchaseAgreementsAndDerivatives	10890000	USD
	mfa	Proceeds From Margin Calls On Repurchase Agreements And Derivatives ProceedsFromMarginCallsOnRepurchaseAgreementsAndDerivatives	25914000	USD
	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	915000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4398000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	605765000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	6120000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	6120000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	265504000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	606108000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	2498643000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	56420000	USD
	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	75783000	USD
	mfa	Mortgage Backed Securities Recorded Upon De Linking MortgageBackedSecuritiesRecordedUponDeLinking	174940000	USD
	mfa	Mortgage Backed Securities Recorded Upon De Linking MortgageBackedSecuritiesRecordedUponDeLinking	744231000	USD
	mfa	Repurchase Agreement Recorded Upon De Linking RepurchaseAgreementRecordedUponDeLinking	46698000	USD
	mfa	Securities Obtained As Collateral SecuritiesObtainedAsCollateral	203303000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	345243000	USD
CY2011Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	421026000	USD
	mfa	Percentage Of Annual Reit Taxable Income Distributable To Stockholders Minimum PercentageOfAnnualREITTaxableIncomeDistributableToStockholdersMinimum	0.90	pure
CY2012Q3	us-gaap	Derivative Average Fixed Interest Rate DerivativeAverageFixedInterestRate	0.0264	pure
CY2012Q3	us-gaap	Derivative Average Variable Interest Rate DerivativeAverageVariableInterestRate	0.0025	pure
CY2011	mfa	Ownership Interest In Real Estate Property Held For Sale OwnershipInterestInRealEstatePropertyHeldForSale	1.00	pure
CY2011Q4	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	191	Unit
	mfa	Number Of Counterparty Repurchase And Reverse Repurchase Agreements Entered NumberOfCounterpartyRepurchaseAndReverseRepurchaseAgreementsEntered	1	Counterparty
	mfa	Repurchase Agreements Maximum Loan From Single Lender Expressed In Multiple Of Stockholders Equity RepurchaseAgreementsMaximumLoanFromSingleLenderExpressedInMultipleOfStockholdersEquity	3 times
	mfa	Number Of Components Of Linked Transactions NumberOfComponentsOfLinkedTransactions	2	Component
CY2011Q4	us-gaap	Investment Owned Balance Principal Amount InvestmentOwnedBalancePrincipalAmount	12155624000	USD
CY2012Q3	us-gaap	Investment Owned Balance Principal Amount InvestmentOwnedBalancePrincipalAmount	13445304000	USD
CY2011Q4	mfa	Available For Sale Securities Purchase Premiums AvailableForSaleSecuritiesPurchasePremiums	178904000	USD
CY2012Q3	mfa	Available For Sale Securities Purchase Premiums AvailableForSaleSecuritiesPurchasePremiums	226358000	USD
CY2011Q4	mfa	Available For Sale Securities Accretable Purchase Discounts AvailableForSaleSecuritiesAccretablePurchaseDiscounts	250614000	USD
CY2012Q3	mfa	Available For Sale Securities Accretable Purchase Discounts AvailableForSaleSecuritiesAccretablePurchaseDiscounts	308146000	USD
CY2011Q4	mfa	Available For Sale Securities Discount Designated As Credit Reserve And Other Than Temporary Impairments AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments	1228766000	USD
CY2012Q3	mfa	Available For Sale Securities Discount Designated As Credit Reserve And Other Than Temporary Impairments AvailableForSaleSecuritiesDiscountDesignatedAsCreditReserveAndOtherThanTemporaryImpairments	1459651000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	10857486000	USD
CY2012Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	11909205000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	10912977000	USD
CY2012Q3	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	12673823000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	345200000	USD
CY2012Q3	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	778784000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	289709000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	14166000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	55491000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	764618000	USD
CY2011Q4	mfa	Available For Sale Securities Purchase Discount Designated As Credit Reserves AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReserves	1174000000	USD
CY2011Q4	mfa	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Losses Credit Losses Not To Be Accreted Into Interest Income Available For Sale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentLossesCreditLossesNotToBeAccretedIntoInterestIncomeAvailableForSaleDebtSecurities	54500000	USD
CY2012Q3	mfa	Available For Sale Securities Purchase Discount Designated As Credit Reserves AvailableForSaleSecuritiesPurchaseDiscountDesignatedAsCreditReserves	1409000000	USD
CY2012Q3	mfa	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Losses Credit Losses Not To Be Accreted Into Interest Income Available For Sale Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentLossesCreditLossesNotToBeAccretedIntoInterestIncomeAvailableForSaleDebtSecurities	50300000	USD
CY2011Q4	mfa	Available For Sale Securities Principal Payments Receivable AvailableForSaleSecuritiesPrincipalPaymentsReceivable	2300000	USD
CY2012Q3	mfa	Available For Sale Securities Principal Payments Receivable AvailableForSaleSecuritiesPrincipalPaymentsReceivable	5300000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	124316000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	531581000	USD
CY2012Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	655897000	USD
CY2012Q3	mfa	Available For Sale Securities In Unrealized Loss Positions Less Than12 Months Number Of Positions AvailableForSaleSecuritiesInUnrealizedLossPositionsLessThan12MonthsNumberOfPositions	24	Security
CY2012Q3	mfa	Available For Sale Securities In Unrealized Loss Positions12 Months Or More Number Of Positions AvailableForSaleSecuritiesInUnrealizedLossPositions12MonthsOrMoreNumberOfPositions	61	Security
CY2012Q2	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	36115000	USD
CY2012Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	36115000	USD
CY2011Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	34915000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	458000	USD
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	742000	USD
CY2011Q4	us-gaap	Derivative Average Fixed Interest Rate DerivativeAverageFixedInterestRate	0.0280	pure
CY2011Q4	us-gaap	Derivative Average Variable Interest Rate DerivativeAverageVariableInterestRate	0.0032	pure
CY2012Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.210
CY2012Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-89823000	USD
CY2011Q2	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-124404000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-114194000	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-139142000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-78169000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-134659000	USD
CY2012Q3	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	26	Counterparty
CY2011Q4	mfa	Repurchase Agreements Number Of Counterparties RepurchaseAgreementsNumberOfCounterparties	25	Counterparty
CY2012Q3	mfa	Repurchase Agreement Counterparty Risk As Percentage Of Stockholders Equity RepurchaseAgreementCounterpartyRiskAsPercentageOfStockholdersEquity	0.05	pure
CY2011Q4	us-gaap	Pledged Assets Not Separately Reported On Statement Of Financial Position PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition	9056087000	USD
CY2011Q4	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	306401000	USD
CY2012Q3	us-gaap	Pledged Assets Not Separately Reported On Statement Of Financial Position PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition	10635546000	USD
CY2012Q3	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	509704000	USD
CY2012Q3	mfa	Pledged Financial Instruments Not Separately Reported Securities Pledged Aggregate Fair Value And Accrued Interest PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedAggregateFairValueAndAccruedInterest	10664886000	USD
	mfa	Operating Leases Number Of Operating Leases OperatingLeasesNumberOfOperatingLeases	2	Lease
CY2012Q3	us-gaap	Preferred Stock Redemption Price Per Share PreferredStockRedemptionPricePerShare	25.00
	mfa	Preferred Stock Voting Rights Number Of Additional Directors That Can Be Elected PreferredStockVotingRightsNumberOfAdditionalDirectorsThatCanBeElected	2	Director
	mfa	Preferred Stock Voting Rights Percentage Required For Making Material And Adverse Changes To Terms Minimum PreferredStockVotingRightsPercentageRequiredForMakingMaterialAndAdverseChangesToTermsMinimum	0.6667	pure
CY2012Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2012Q1	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2011Q4	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2011Q3	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2011Q2	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2011Q1	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
CY2012Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.230
CY2012Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.240
CY2011Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.270
CY2011Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.250
CY2011Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.250
CY2011Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.235
CY2011Q4	mfa	Common Stock Special Dividends Per Share Declared CommonStockSpecialDividendsPerShareDeclared	0.02
CY2012Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	4000000	shares
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	65400000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Debt Securities AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities	5000000	USD
CY2012Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2040000	USD
CY2012Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings ParticipatingSecuritiesDistributedAndUndistributedEarnings	360000	USD
CY2012Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Diluted Net Of Allocation To Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedNetOfAllocationToParticipatingSecurities	75741000	USD
CY2011Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2040000	USD
CY2011Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings ParticipatingSecuritiesDistributedAndUndistributedEarnings	446000	USD
CY2011Q3	mfa	Net Income Loss Available To Common Stockholders Basic And Diluted Net Of Allocation To Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedNetOfAllocationToParticipatingSecurities	81213000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6120000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings ParticipatingSecuritiesDistributedAndUndistributedEarnings	1168000	USD
	mfa	Net Income Loss Available To Common Stockholders Basic And Diluted Net Of Allocation To Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedNetOfAllocationToParticipatingSecurities	230332000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6120000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings ParticipatingSecuritiesDistributedAndUndistributedEarnings	1195000	USD
	mfa	Net Income Loss Available To Common Stockholders Basic And Diluted Net Of Allocation To Participating Securities NetIncomeLossAvailableToCommonStockholdersBasicAndDilutedNetOfAllocationToParticipatingSecurities	238535000	USD
CY2012Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	13500000	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	9600000	shares
CY2012Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1793000	USD
CY2011Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1027000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4374000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2983000	USD
	mfa	Employment Agreements Number Of Officers EmploymentAgreementsNumberOfOfficers	6	Officer
CY2012Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	76100000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	745152000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	100000000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	480265000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-108048000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-194756000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4374000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	242970000	USD
	mfa	Dividends Dividend Equivalent Rights DividendsDividendEquivalentRights	1060000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	709127000	USD
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	36025000	USD
CY2012Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	356921000	shares
CY2011Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	355964000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	356563000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	336756000	shares
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	13934000	USD
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2	14166000	USD
CY2012Q3	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	232000	USD
CY2011Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	90200000	USD
CY2011Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	3377866000	USD
CY2012Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	2760715000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-5529000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Writedown Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForWritedownOfSecuritiesIncludedInNetIncomeNetOfTax	3991000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Writedown Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForWritedownOfSecuritiesIncludedInNetIncomeNetOfTax	1200000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Writedown Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForWritedownOfSecuritiesIncludedInNetIncomeNetOfTax	6383000	USD
	mfa	Mortgage Backed Securities Period Of Fixed Rate Mortgages Minimum MortgageBackedSecuritiesPeriodOfFixedRateMortgagesMinimum	P15Y
	mfa	Repurchase Agreements Financing Period Low End Of Range RepurchaseAgreementsFinancingPeriodLowEndOfRange	P1M
	mfa	Repurchase Agreements Financing Period High End Of Range RepurchaseAgreementsFinancingPeriodHighEndOfRange	P6M
CY2011Q3	us-gaap	Gain Loss On Sales Of Mortgage Backed Securities Mbs GainLossOnSalesOfMortgageBackedSecuritiesMBS	4196000	USD
CY2010Q4	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	393822000	USD
CY2011Q3	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	194583000	USD
CY2011Q2	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	292376000	USD
CY2012Q2	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	296007000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	3415000	USD
CY2012Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q3	mfa	Interest Expense Senior Notes InterestExpenseSeniorNotes	2007000	USD
	mfa	Interest Expense Senior Notes InterestExpenseSeniorNotes	3791000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-4525000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-4869000	USD
CY2012Q2	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	0.53125
	mfa	Gain On Sales Of Mortgage Backed Securities GainOnSalesOfMortgageBackedSecurities	4196000	USD
	mfa	Accretion Of Purchase Discounts AccretionOfPurchaseDiscounts	33159000	USD
	us-gaap	Proceeds From Sale Of Mortgage Backed Securities Mbs Categorized As Available For Sale ProceedsFromSaleOfMortgageBackedSecuritiesMBSCategorizedAsAvailableForSale	76495000	USD
	mfa	Payments Made For Margin Calls On Repurchase Agreements And Derivatives PaymentsMadeForMarginCallsOnRepurchaseAgreementsAndDerivatives	8460000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-199239000	USD
	mfa	Preferred Stock Voting Rights Available If Company Fails To Pay Dividend Minimum Period PreferredStockVotingRightsAvailableIfCompanyFailsToPayDividendMinimumPeriod	6	Quarter
CY2012Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	468611000	USD
CY2011Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-97793000	USD
CY2012Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-3130000	USD
CY2012Q3	us-gaap	Accounts Payable Other Current And Noncurrent AccountsPayableOtherCurrentAndNoncurrent	126035000	USD
CY2011Q4	us-gaap	Accounts Payable Other Current And Noncurrent AccountsPayableOtherCurrentAndNoncurrent	27056000	USD
CY2011Q3	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-10922000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	321000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-9167000	USD
	mfa	Share Based Compensation Arrangement By Share Based Payment Award Forfeiture Rate2009 And Prior ShareBasedCompensationArrangementByShareBasedPaymentAwardForfeitureRate2009AndPrior	0.00	pure

Files In Submission

Name	View Source	Status
0001104659-12-074557-index-headers.html	Edgar Link	pending
0001104659-12-074557-index.html	Edgar Link	pending
0001104659-12-074557.txt	Edgar Link	pending
0001104659-12-074557-xbrl.zip	Edgar Link	pending
a12-19512_110q.htm	Edgar Link	pending
a12-19512_1ex10d2.htm	Edgar Link	pending
a12-19512_1ex31d1.htm	Edgar Link	pending
a12-19512_1ex31d2.htm	Edgar Link	pending
a12-19512_1ex32d1.htm	Edgar Link	pending
a12-19512_1ex32d2.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
mfa-20120930.xml	Edgar Link	completed
mfa-20120930.xsd	Edgar Link	pending
mfa-20120930_cal.xml	Edgar Link	unprocessable
mfa-20120930_def.xml	Edgar Link	unprocessable
mfa-20120930_lab.xml	Edgar Link	unprocessable
mfa-20120930_pre.xml	Edgar Link	unprocessable
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$MFA
MFA FINANCIAL, INC. Stock $mfa

2012 Q4 Form 10-Q Financial Statement

#000110465912074557 Filed on November 06, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA MFA FINANCIAL, INC. Stock $mfa

2012 Q4 Form 10-Q Financial Statement

#000110465912074557 Filed on November 06, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MFA
MFA FINANCIAL, INC. Stock $mfa