Payments on debt of consolidated variable interest entities Repayments of Other Debt Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Proceeds from Sale of Debt Securities, Available-for-sale Proceeds from Sale of Debt Securities, Available-for-Sale Derivatives by Maturity [Domain] Derivatives by Maturity [Domain] Derivatives by Maturity [Domain] Derivatives by Maturity [Domain] Award Type [Domain] Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Payments on repurchase agreements Repayments of Short-Term Debt Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Mortgage Credit Investment Fund Limited Partnership Mortgage Credit Investment Fund Limited Partnership Inerest in a Mortgage Credit Investment Fund Limited Partnership Interest Rate Swaps Linked to Overnight Index Swap Rate Interest Rate Swaps Linked to Overnight Index Swap Rate The percentage Interest Rate Swaps Linked to Overnight Index Swap Rate in the portfolio. Weighted average yield Weighted Average Yield Percentage Weighted Average Yield Percentage WeightedAverageYieldPercentage TBA securities Fifteen Year and Thirty Year Securities [Member] TBA securities Fifteen Year and Thirty Year Securities [Member] TBA securities [Member] Schedule of Available-for-sale Securities Reconciliation Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Advances from Federal Home Loan Banks Advance from Federal Home Loan Bank Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] SOFR Futures Contracts SOFR Futures Contracts [Member] SOFR Futures Contracts Insider Trading Policies and Procedures [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stockholders' Equity Equity [Text Block] Gross Amounts of Recognized Assets Gross Amount of Recognized Assets (Liabilities) Fair value before effects of master netting arrangements, of a financial asset or liability or other contract and the contract can be net settled by means outside the contract or delivery of an asset or liability. Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Financial Instruments Gross Amounts of Financial Instruments Not Offset on the Balance Sheet Fair value of financial asset or liability or other contract elected not to be offset against an obligation to return collateral or right to receive collateral pledged under a master netting arrangement. Derivative Instruments Designation [Axis] Derivative Instruments Designation [Axis] Derivative Instruments Designation [Axis] Proceeds from Sale of U.S. Treasury securities Proceeds from Sale of U.S. Treasury securities The cash inflow associated with the sale of U.S. Treasury securities. Preferred Stock - aggregate liquidation preference of $1,688 Preferred Stock, Value, Issued Preferred Stock, Value, Issued Subsequent Event Type [Domain] Subsequent Event Type [Domain] Net income (loss) per common share - diluted Earnings Per Share, Diluted Earnings Per Share, Diluted Schedule of Investments [Table] Schedule of Investments [Table] Unrealized loss on investment securities measured at fair value through net income, net Unrealized gain (loss) on investment securities measured at fair value through net income, net Unrealized gain (loss) on investment securities measured at fair value through net income, net Retained Interests in Consolidated VIE's Pledged as Collateral Under Repurchase Agreements Retained Interests in Consolidated VIE's Pledged as Collateral Under Repurchase Agreements Retained Interests in Consolidated VIE's Pledged as Collateral Under Repurchase Agreements Schedule of Interest Rate Swaption Agreements Outstanding Schedule of Interest Rate Swaption Agreements Outstandin [Table Text Block] Schedule of Interest Rate Swaption Agreements Outstandin [Table Text Block] Trading Symbol Trading Symbol Stock Repurchased During Period Settled After - Shares Stock Repurchased During Period Settled After - Shares Number of shares that have been repurchase during the period and have not been retired and are not held in treasure but settled after the period. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. US Government Agencies Debt Securities [Member] US Government Agencies Debt Securities [Member] Par value Available For Sale Securities Par Available For Sale Securities Par 10 Year Maturity [Member] 10 Year Maturity [Member] 10 Year Maturity [Member] Debt Securities, Trading, Amortized Cost Debt Securities, Trading, Amortized Cost Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Depositary Share [Member] Depositary Share [Member] Depositary Share [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Stockholders' equity: Equity, Attributable to Parent [Abstract] Interest rate swap - receiver [Member] Interest rate swap - receiver [Member] Interest rate swap - receiver [Member] 2.0% Coupon [Member] 2.0% Coupon [Member] 2.0% Coupon AA Rating [Member] AA Rating [Member] AA Rating [Member] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cash Flow Hedges Derivative Instruments Not Designated As Hedging Instruments Average Months To Expiration Average Months to Expiration Cash Flow Hedges Derivative Instruments Not Designated As Hedging Instruments Average Months To Expiration Cash Flow Hedges Derivative Instruments Not Designated As Hedging Instruments Average Months To Expiration Collateral Received Gross Amounts of Cash Collateral Not Offset on the Balance Sheet Gross Amounts of Cash Collateral Not Offset on the Balance Sheet Executive Category: Executive Category [Axis] Schedule of Assets Sold under Agreements to Repurchase [Table] Schedule of Assets Sold under Agreements to Repurchase [Table] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] 3.0% Coupon [Member] 3.0% Coupon [Member] 3.0% Coupon [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Available For Sale Securities Weighted Average Life Fair Value This item represents the weighted average life of available-for-sale agency securities by fair value. Statement, Equity Components [Axis] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Major Types of Trading Securities and Assets [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Adjustable-Rate [Member] Adjustable-Rate [Member] Adjustable-Rate [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Investment Type [Axis] Investment Type [Axis] Purchases Of TBAs And Forward Settling Agency Securities [Member] Purchases Of TBAs And Forward Settling Securities [Member] Purchases Of TBAs And Forward Settling Securities [Member] Maturity over 90 days [Member] Maturity Greater than 90 Days [Member] Entity Small Business Entity Small Business Investments [Domain] Investments [Domain] Local Phone Number Local Phone Number Freddie Mac [Member] Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Preferred Stock C, Value, Issued Preferred Stock C, Value, Issued Aggregate par or stated value of issued nonredeemable preferred C stock (or preferred stock C redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Stock Repurchased During Period, Average Repurchase Price (in dollars per share) Stock Repurchased During Period, Average Repurchase Price (in dollars per share) The average amount paid per share to repurchase stock during the period. Derivative, Notional Amount Derivative, Notional Amount Notional Amount Derivative, Notional Amount Weighted Average Interest Rate of Repurchase Agreements Extinguished - Extinguished Debt Weighted Average Interest Rate of Repurchase Agreements Extinguished - Extinguished Debt Weighted Average Interest Rate of Repurchase Agreements Extinguished - Extinguished Debt Measurement Frequency [Axis] Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Federal Home Loan Bank Advances by Maturity [Abstract] Federal Home Loan Bank Advances by Maturity [Abstract] Federal Home Loan Bank Advances by Maturity [Abstract] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Debt Securities, Trading Securities, Unamortized discount Debt Securities, Trading Securities, Unamortized Discount The amount of unamortized discount on trading securities. Schedule of Borrowings under Repurchase Agreements and Weighted Average Interest Rates Schedule of Borrowings under Repurchase Agreements and Weighted Average Interest Rates [Table Text Block] Schedule of Borrowings under Repurchase Agreements and Weighted Average Interest Rates [Table Text Block] Receivable under reverse repurchase agreements Receivable Under Reverse Repurchase Agreements Receivable Under Reverse Repurchase Agreements Receivable Under Reverse Repurchase Agreements Goodwill and other intangible assets, net Intangible Assets, Net (Including Goodwill) Mortgage Backed Securities Amortized Cost Mortgage Backed Securities Amortized Cost Mortgage Backed Securities Amortized Cost Consolidation, Variable Interest Entity, Policy Consolidation, Variable Interest Entity, Policy [Policy Text Block] Fair Value, Liabilities, Measured on Recurring Basis, Unobservable Input Reconciliation, by Liability Class [Domain] Fair Value by Liability Class [Domain] (Loss) gain on derivative instruments and other securities, net Gain (loss) on derivative instruments and other securities, net Gain (loss) on derivative instruments and other securities, net Debt Securities, Available-for-Sale, Gross Unrealized Losses Debt Securities, Available-for-Sale, Gross Unrealized Losses The amount of gross unrealized losses on available-for-sale securities. Short-term Debt [Line Items] Short-Term Debt [Line Items] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Purchases of Agency mortgage-backed securities Payments to Acquire Mortgage-Backed Securities (MBS), Available-for-Sale Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] 4.0% Coupon [Member] 4.0% Coupon [Member] 4.0% Coupon [Member] Award Type [Axis] Award Type [Axis] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Document Quarterly Report Document Quarterly Report Dividends, Common Stock Dividends, Common Stock Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Hedging Designation [Axis] Hedging Designation [Axis] Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Dividends Declared [Table Text Block] Dividends Declared [Table Text Block] Payments on Federal Home Loan Bank advances Payments of FHLBank Borrowings, Financing Activities TBA and Forward Settling Agency Securities [Member] TBA and Forward Settling Agency Securities [Member] TBA and Forward Settling Securities [Member] TBA and Forward Settling Securities [Member] Reverse Repurchase Agreements Policy [Policy Text Block] Reverse Repurchase Agreements Policy [Policy Text Block] Reverse Repurchase Agreements Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Not Rated [Member] Not Rated [Member] Not Rated [Member] Stock Repurchased During Period Trade Date, Value Stock Repurchased During Period Trade Date, Value Equity impact of the value of stock that has been repurchased during the period, including repurchases that settled after the period, and has not been retired and is not held in treasury. Schedule of Other Assets Schedule of Other Assets [Table Text Block] Collateralized Mortgage Obligations [Member] Collateralized Mortgage Obligations [Member] Repurchase Agreements Extinguished - Extinguishment of Debt Repurchase Agreements Extinguished - Extinguishment of Debt The face value of Repurchase Agreements extinguished during the period. US government securities US government securities [Table Text Block] US government securities [Table Text Block] New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Offsetting Liabilities Offsetting Liabilities [Table Text Block] Average repurchase price (in dollars per share) Shares Acquired, Average Cost Per Share Counterparty Name [Domain] Counterparty Name [Domain] Weighted Average Number of Shares Outstanding Weighted Average Number of Shares Outstanding Number of shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure Debt Securities, Trading Securities, Unamortized Premium Debt Securities, Trading Securities, Unamortized Premium The amount of unamortized premium on trading securities Sale of Stock, Price Per Share Sale of Stock, Price Per Share Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Security Exchange Name Security Exchange Name Preferred Stock, Redemption Amount Stock Redeemed or Called During Period, Value Share-based Payment Arrangement [Policy Text Block] Share-Based Payment Arrangement [Policy Text Block] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Preferred Units, Class [Domain] Preferred Units, Class [Domain] Employee Stock Option Employee Stock Option [Member] Derivative and Other Hedging Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Investment Securities Investment, Policy [Policy Text Block] Investment, Policy [Policy Text Block] Maximum [Member] Maximum [Member] Document Type Document Type Greater Than Seven Years and Less than or Equal to Ten Years [Member] Greater Than Seven Years and Less than or Equal to Ten Years [Member] Greater Than Seven Years and Less than or Equal to Ten Years [Member] Tabular List, Table Tabular List [Table Text Block] Repurchase Agreements [Member] Repurchase Agreements [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Derivative [Table] Derivative [Table] Notional Amount Of Trading Securities Settlement Expiration During The Period Notional Amount Of Trading Securities Settlement Expiration During The Period Notional Amount Of Trading Securities Settlement Expiration During The Period Variable Rate [Axis] Variable Rate [Axis] Less Than or Equal to One Year [Member] Less Than or Equal to One Year [Member] Less Than or Equal to One Year [Member] Cost of Sale of Fair Value Option Securities Cost of Sale of Fair Value Option Securities Cost of Sale of Fair Value Option Securities Increase in other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Ordinary Dividends Per Share Ordinary Dividends Per Share Ordinary Dividends Per Share for Tax purposes Title of 12(b) Security Title of 12(b) Security Includes Sold But Not Yet Settled Securities [Member] Includes Sold But Not Yet Settled Securities [Member] Includes Sold But Not Yet Settled Securities [Member] Related Party [Domain] Related Party, Type [Domain] Venture Capital Investments Venture Capital Investments Venture Capital Investments Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] U.S. Treasury Securities - short Financial Instruments Sold, Not yet Purchased, US Government and Agency Obligations Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Derivatives By Maturity [Axis] Derivatives By Maturity [Axis] Derivatives By Maturity [Axis] Agency Securities Pledged As Collateral Amortized Cost Agency Securities Pledged As Collateral Amortized Cost Item represents agency securities pledged as collateral at amortized cost. Entity Tax Identification Number Entity Tax Identification Number Dividends, Preferred Stock Dividends, Preferred Stock Interest Rate Derivative Not Designated As Hedging Instruments Receive Rate Average Receive Rate (LIBOR) Interest Rate Derivative Not Designated As Hedging Instruments Receive Rate Interest Rate Derivative Not Designated As Hedging Instruments Receive Rate Fair Value Hedge Liabilities Fair Value Hedge Liabilities Statistical Measurement [Axis] Statistical Measurement [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Entity Interactive Data Current Entity Interactive Data Current Goodwill and Intangible Assets, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Preferred Stock F, Value, Issued Preferred Stock F, Value, Issued Aggregate par or stated value of issued nonredeemable preferred F stock (or preferred stock F redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within the stockholders' equity. Net proceeds from derivative instruments Payments for (Proceeds from) Derivative Instrument, Investing Activities Preferred Stock, Capital Shares Reserved for Future Issuance Preferred Stock, Capital Shares Reserved for Future Issuance Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Gain (Loss) on Contract Termination Gain (Loss) on Contract Termination Preferred Stock, Dividend Rate, Per-Dollar-Amount Preferred Stock, Dividend Rate, Per-Dollar-Amount Debt Securities, Trading and Available-for-sale, Amortized Cost Basis Debt Securities, Trading and Available-for-sale, Amortized Cost Basis Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) at cost. Measure: Measure [Axis] Name Outstanding Recovery, Individual Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Goodwill and Intangible Assets, Goodwill, Policy Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Debt of consolidated variable interest entities, at fair value Other Long-term Debt Debt, at fair value Debt of consolidated variable interest entities, at fair value Other Long-Term Debt Counterparty Name [Axis] Counterparty Name [Axis] Derivative Instruments Derivatives, Policy [Policy Text Block] Derivatives, Policy [Policy Text Block] Credit Default Swap Credit Default Swap [Member] Federal Home Loan Bank Advances, Maturity Period [Axis] Federal Home Loan Bank Advances, Maturity Period [Axis] Federal Home Loan Bank Advances, Maturity Period [Axis] Common Stock, Shares, Outstanding Balance, Common Stock, shares Balance, Common Stock, shares Common Stock, Shares, Outstanding Follow-On Public Offering [Member] Follow-On Public Offering [Member] Follow-On Public Offering [Member] PEO PEO [Member] Auditor Location Auditor Location BB Rating [Member] BB Rating [Member] BB Rating [Member] Preferred Stock, Dividends, Per Share, Cash Paid Preferred Stock, Dividends, Per Share, Cash Paid Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Sale of Stock [Axis] Sale of Stock [Axis] Proceeds from sale of Agency mortgage-backed securities Proceeds from Sale of Mortgage-Backed Securities (MBS), Available-for-Sale Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Equity Securities, FV-NI Equity Securities, FV-NI, Current Securities Sold under Agreements to Repurchase [Member] Securities Sold under Agreements to Repurchase [Member] Trading Securities Added During the Period Trading Securities Added During the Period Trading Securities Added During the Period Interest Rate Swap [Member] Interest Rate Swap [Member] Debt Instrument [Axis] Debt Instrument [Axis] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 7 Years Maturity [Member] 7 Years Maturity [Member] 7 Years Maturity [Member] Series B Preferred Stock [Member] Series B Preferred Stock [Member] Total liabilities Liabilities Net Unrealized Gain (Loss) on Swaps 2022 Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge Debt Securities, Available-for-sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Measurement Frequency [Domain] Measurement Frequency [Domain] Title of Individual [Axis] Title of Individual [Axis] Preferred Stock, Dividend Rate, Per-Dollar-Amount Preferred Stock, Dividends Per Share, Declared Debt Securities, Trading, Unrealized Loss Debt Securities, Trading, Unrealized Loss Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] FICC [Member] FICC [Member] FICC [Member] Preferred Stock Authorized, but not Issued Preferred Stock Authorized, but not Issued Preferred Stock Authorized, but not Issued 36 to 48 months 37 to 48 months [Member] 37 to 48 months [Member] 37 to 48 months [Member] Management Fee Income Management Fee Income Management Fee Income Purchases Of Forward Settling non-Agency Securities Purchases Of Forward Settling non-Agency Securities [Member] Purchases Of Forward Settling non-Agency Securities At Cost Basis [Member] At Cost Basis [Member] At Cost Basis [Member] Agency MBS sold, at cost Cost Of Sale Of Available For Sale Secuities CostOfSaleOfAvailableForSaleSecuities Subsequent Event [Line Items] Subsequent Event [Line Items] Derivative By Maturity Years [Axis] Derivative By Maturity Years [Axis] Derivative By Maturity Years [Axis] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months General and administrative expenses General and Administrative Expense Short-term Debt, Weighted Average Interest Rate, at Point in Time Weighted Average Interest Rate Short-Term Debt, Weighted Average Interest Rate, at Point in Time Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] 5 Year Maturity [Member] 5 Year Maturity [Member] 5 Year Maturity [Member] Agency securities transferred to consolidated variable interest entities, at fair value (pledged securities) Assets, Current Net Income (Loss) Per Common Share [Abstract] Net Income (Loss) Per Common Share [Abstract] Net Income (Loss) Per Common Share [Abstract] Preferred Stock [Member] Preferred Stock [Member] Transfers between hierarchy levels Transfers Between Hierarchy Levels Transfers between hierarchy levels Debt Securities, Trading Debt Securities, Trading Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] Supplemental disclosure to cash flow information: Supplemental Cash Flow Information [Abstract] Weighted Average Life Other Debt Weighted average life of other debt Weighted Average Life Other Debt Weighted Average Life Other Debt Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Other liabilities Other Liabilities Earnings Per Share, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Accounting Standards Update and Change in Accounting Principle [Text Block] Stock Repurchased During Period, Shares Repurchase of common stock shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Greater Than Five Years [Member] Greater Than Five Years [Member] Greater Than Five Years [Member] 2 Days to 1 Month [Member] 2 Days to 1 Month [Member] U.S. Treasury Repurchase Agreements from 2 Days to 1 Month [Member] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Proceeds from Issuance of Preferred Stock and Preference Stock Net proceeds from preferred stock issuance Proceeds from Issuance of Preferred Stock and Preference Stock Derivative, Forward Settlement Value Derivative, Forward Settlement Value Cost Basis Derivative, Forward Settlement Value Derivative, Forward Settlement Value Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Forward Contracts [Member] Forward Contracts [Member] Class of Stock [Axis] Class of Stock [Axis] Entities [Table] Entities [Table] Required Annual Distribution of Taxable Net Income Required Annual Distribution of Taxable Net Income Required Annual Distribution of Taxable Net Income Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Weighted Average Days to Maturity Repurchase Agreements Weighted Average Days To Maturity Repurchase Agreements Weighted Average Days To Maturity Government Agency [Domain] Government Agency [Domain] Government Agency [Domain] At Par Value [Member] At Par Value [Member] At Par Value [Member] Cost of Sale of Investment Securities Cost of Sale of Investment Securities Cost of Sale of Investment Securities Series G Preferred Stock Series G Preferred Stock [Member] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Comprehensive (loss) income (attributable) available to common shareholders Comprehensive income available to common shareholders Comprehensive income available to common shareholders Entity Information [Line Items] Entity Information [Line Items] Preferred Stock B, Value, Issued Preferred Stock B, Value, Issued Aggregate par or stated value of issued nonredeemable preferred B stock (or preferred stock B redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Federal Home Loan Bank Advances, Maturity Period [Domain] Federal Home Loan Bank Advances, Maturity Period [Domain] [Domain] for Federal Home Loan Bank Advances, Maturity Period [Axis] Debt Securities, Available-for-sale, Realized Gain Debt Securities, Available-for-Sale, Realized Gain Payments on U.S. Treasury securities Payments to Acquire U.S. Treasury securities The cash outflow to acquire U.S. Treasury securities Consolidation Items [Axis] Consolidation Items [Axis] Derivative liability, fair value Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Derivatives by Issuer [Axis] Derivatives by Issuer [Axis] Derivatives by Issuer [Axis] Restricted cash Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Variable Interest Entity Disclosure [Text Block] Variable Interest Entity Disclosure [Text Block] Debt Securities, Trading Securities, Gross Unrealized Losses Debt Securities, Trading Securities, Gross Unrealized Losses The amount of unrealized losses on trading securities. Preferred Stock, Shares Issued Preferred Stock, Shares Issued Depositary shares each representing a 1/1000th interest in a share of 6.125% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depositary shares each representing a 1/1000th interest in a share of 6.125% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depositary shares each representing a 1/1000th interest in a share of 6.125% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Investment Securities Investment In Mortgage-Backed Securities [Text Block] Tabular disclosure of investment in mortgage-backed securities which consist of both securities for which the principal and interest payments are guaranteed by government-sponsored entities ("GSEs") and AAA rated non-agency Securities for which the principal and interest payments are not guaranteed by a GSE. Mortgage backed securities include securities remeasured at fair value through earnings and available-for-sale securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities Reversal of Unrealized (Gains) and Losses, Net on Realization Amounts reclassified from accumulated OCI Other Comprehensive Income Reclassification Adjustment For Sale Of Security Reversal Of Prior Period Unrealized Gain And Losses On Realization Other Comprehensive Income Reclassification Adjustment For Sale Of Security Reversal Of Prior Period Unrealized Gain And Losses On Realization Other Security Investments Other Security Investments [Member] Entity Emerging Growth Company Entity Emerging Growth Company Agency securities, total fair value Securities Held as Collateral, at Fair Value Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill) Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Assets [Member] Assets [Member] BBB Rating [Member] BBB Rating [Member] BBB Rating [Member] Under Prime Broker Agreements [Member] Under Prime Broker Agreements [Member] Under Prime Broker Agreements [Member] Agency securities, at fair value (including pledged securities of $52,250 and $35,800, respectively) Agency securities Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Fair Value Total - (short)/long, net U.S. Treasury securities, net government bonds owned and sold short net government bonds owned and sold short net Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Title Trading Arrangement, Individual Title Amortized Cost Available For Sale Securities Weighted Average Life Amortized Cost This item represents the weighted average life of available-for-sale agency securities by amortized cost. Pledged Financial Instruments, Securities Pledged Financial Instruments, Not Separately Reported, Mortgage-Related Securities Available-for-sale or Held-for-investment Pledged Financial Instruments, Securities Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. Depositary shares each representing a 1/1000th interest in a share of 7.75% Series G Fixed Rate Reset Cumulative Redeemable Preferred Stock Depositary shares each representing a 1/1000th interest in a share of 7.75% Series G Fixed Rate Reset Cumulative Redeemable Preferred Stock [Member] Depositary shares each representing a 1/1000th interest in a share of 7.75% Series G Fixed Rate Reset Cumulative Redeemable Preferred Stock Position [Domain] Position [Domain] Common Stock [Member] Common Stock [Member] Common Stock, Shares Authorized Common stock, Value of Shares Remaining for Future Issuance The remaining dollar value amount approved to issue common stock under an At-the-Market program Individual: Individual [Axis] Common stock, Value of Shares Approved for Future Issuance Common stock, Value of Shares Approved for Future Issuance The dollar value amount approved to issue common stock under an At-the-Market Offering program. Entity Address, Postal Zip Code Entity Address, Postal Zip Code CMO and Interest Only, Principal Only Securities, Maximum Loss Exposure CMO and Interest Only, Pricincipal Only Securities, Maximum Loss Exposure CMO and Interest Only and Pricincipal Only Securities, Maximum Loss Exposure Income Statement Location [Domain] Income Statement Location [Domain] Unamortized premium balance Debt Instrument, Unamortized Discount (Premium), Net Weighted average coupon Debt, Weighted Average Interest Rate Minimum [Member] Minimum [Member] Greater Than One Year and Less Than or Equal to Two Years [Member] Greater Than One Year and Less Than or Equal to Two Years [Member] Greater Than One Year and Less Than or Equal to Two Years [Member] Interest Income Interest Income [Policy Text Block] Interest Income [Policy Text Block] Interest Income [Policy Text Block] Common Stock, Dividends, Per Share, Cash Paid Common Stock, Dividends, Per Share, Cash Paid Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets: Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Proceeds from Sale of Debt Securities Proceeds from Sale of Debt Securities Total amount of cash inflow from sale of investment in debt securities. Liabilities: Liabilities [Abstract] US Treasury Securities [Member] US Treasury Securities [Member] US Treasury Securities [Member] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Payments for (Proceeds from) Other Investing Activities Payments for (Proceeds from) Other Investing Activities Retained Earnings (Accumulated Deficit) [Member] Retained Earnings [Member] Preferred Stock E, Value, Issued Preferred Stock E, Value, Issued Aggregate par or stated value of issued nonredeemable preferred E stock (or preferred stock E redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] B Rating [Member] B Rating [Member] B Rating [Member] Earnings Per Share, Basic Earnings Per Share, Basic Accounting Policies [Abstract] Accounting Policies [Abstract] Sale of Stock [Domain] Sale of Stock [Domain] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Management Agreement [Text Block] Management Agreement [Text Block] MTGE Management Agreement [Text Block] Total Fair Value of Securities Pledged and Accrued Interest Total Fair Value of Securities Pledged and Accrued Interest Total Fair Value of Securities Pledged and Accrued Interest Available-for-sale Securities [Member] Available-for-Sale Securities [Member] Income Taxes Paid Income Taxes Paid Credit risk transfer securities, at fair value (including pledged securities of $709 and $703, respectively) Financial Instruments, Owned, Other, at Fair Value Financial Instruments, Owned, Other, at Fair Value Debt Securities, Trading and Available-for-sale Debt Securities, Trading and Available-for-Sale Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Short-term Debt, Weighted Average Interest Rate, over Time Short-Term Debt, Weighted Average Interest Rate, over Time Non-Agency [Member] Non-Agency [Member] Non-Agency securities Greater Than Two Years and Less Than or Equal to Three Years [Member] Greater Than Two Years and Less Than or Equal to Three Years [Member] Greater Than Two Years and Less Than or Equal to Three Years [Member] Entity Public Float Entity Public Float Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] J.P. Morgan Securities, LLC [Member] J.P. Morgan Securities, LLC [Member] J.P. Morgan Securities, LLC [Member] Spread Over LIBOR Basis spread over LIBOR Spread Over LIBOR Spread Over LIBOR Depository shares each representing a 1/1,000th interest in a share of 7.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 7.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 7.000% Series C Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Derivative Instrument [Axis] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Fair Value by Liability Class [Axis] Liability Class [Axis] All Trading Arrangements All Trading Arrangements [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] 6.0% Coupon 6.0% Coupon [Member] 6.0% Coupon Components of Investment Securities Components of Investment Securities [Table Text Block] Components of Investment Securities [Table Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Security Type [Domain] Security Type [Domain] Security Type [Domain] Interest income Interest Income, Securities, Mortgage-Backed Compensation Amount Outstanding Recovery Compensation Amount Derivatives by Issuer [Domain] Derivatives by Issuer [Domain] [Domain] for Derivatives by Issuer [Axis] Fannie Mae [Member] Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] Debt Securities, Available-for-Sale, Gross Unrealized Gains Debt Securities, Available-for-Sale, Gross Unrealized Gains The amount of gross unrealized gains on a available-for-sale securities. Derivative assets, at fair value Derivative assets, at fair value TBA securities Derivative Asset Subsequent Event Type [Axis] Subsequent Event Type [Axis] Average Maturity (Years) Derivative, Average Remaining Maturity U.S. Treasury securities, at fair value (including pledged securities of $246 and $353, respectively) U.S. Treasury securities Financial Instruments, Owned, US Government and Agency Obligations, at Fair Value Proceeds from sale of credit risk transfer and non-Agency securities Proceeds from sale of Credit Risk Transfer and non-Agency securities Proceeds from sale of CRT and non-Agency securities Amounts reclassified from accumulated OCI Unrealized gain on derivative instruments, net Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Preferred Stock, Dividend Preference or Restrictions Preferred Stock, Dividend Preference or Restrictions Other assets Other Assets Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Document Period End Date Document Period End Date Adoption Date Trading Arrangement Adoption Date Summary of Net Gain from Sale of Agency Securities Summary of Net Gain from Sale of Mortgage Backed Securities [Table Text Block] Summary of Net Gain from Sale of Mortgage Backed Securities [Table Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] 24 to 36 Months 25 to 36 months [Member] 25 to 36 months [Member] Fair Value Measurements Fair Value Disclosures [Text Block] 20 Year Maturity 20 Year Maturity [Member] 20 Year Maturity Payments for Repurchase of Redeemable Preferred Stock Payments for Repurchase of Redeemable Preferred Stock Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit Indefinite-Lived Intangible Assets, Written off Related to Sale of Business Unit Unrealized Loss Position For - Unrealized Loss - 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Equity [Abstract] Equity [Abstract] Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Line Items] Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Line Items] [Line Items] for Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Table] Debt Securities, Available-for-Sale, Unamortized discount Debt Securities, Available-for-Sale, Unamortized Discount The amount of unamortized discount on available-for-sale securities. Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Maturity 60 To 90 Days [Member] Maturity 60 To 90 Days [Member] Maturity 60 To 90 Days [Member] Depository shares each representing a 1/1000th interest in a share of 6.500% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1000th interest in a share of 6.500% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1000th interest in a share of 6.500% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Dividend on preferred stock Preferred Stock Dividends, Income Statement Impact Unrealized Loss Position For - Unrealized Loss - Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Cash and cash equivalents Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Interest Only And Principal Only Strip [Member] Interest Only And Principal Only Strip [Member] Interest Only And Principal Only Strip [Member] Interest Only And Principal Only Strip [Member] Purchases of credit risk transfer and non-Agency securities and other mortgage credit investments Payments To Acquire Non- Agency Mortgage Backed Securities Payments To Acquire Non- Agency Mortgage Backed Securities Credit Rating [Domain] Credit Rating [Domain] [Domain] for Credit Rating [Axis] Securities by Credit Rating [Table Text Block] Securities by Credit Rating [Table Text Block] [Table Text Block] for Securities by Credit Rating [Table] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Balance Sheet Location [Axis] Balance Sheet Location [Axis] Fair value of CMO securities and interest-only and principal-only strips Fair Value Of CMO Securities Directly Held The sum of the fair values, as of the date of each statement of financial position presented, of directly held CMO securities and interest-only securities including retained interest in transfers treated as sales but excluding securities held by consolidated CMO trust. Cover [Abstract] Position [Axis] Position [Axis] Subsequent Event Subsequent Events [Text Block] Fair Value, Recurring [Member] Fair Value, Recurring [Member] Bermudan [Member] Bermudan [Member] Bermudan Swaption [Member] Cash dividends paid Payments of Dividends Obligation to Return Securities Borrowed Under Reverse Repurchase Agreements at Fair Value Obligation to return securities borrowed under reverse repurchase agreements, at fair value Obligation to Return Securities Borrowed Under Reverse Repurchase Agreements at Fair Value Obligation to Return Securities Borrowed Under Reverse Repurchase Agreements at Fair Value Summary of Continuous Unrealized Loss Position of Available for Sale Securities Summary of Continuous Unrealized Loss Position of Available for Sale Securities [Table Text Block] Summary of Continuous Unrealized Loss Position of Available for Sale Securities [Table Text Block] Other Liabilities - Other Other Liabilities - Other Other Liabilities - Other Total expenses Operating Expenses Average Receive Rate Derivative, Average Variable Interest Rate Greater Than Ten Years [Member] Greater Than Ten Years [Member] Greater Than Ten Years [Member] Equity Component [Domain] Equity Component [Domain] Offsetting Assets and Liabilities Offsetting Assets [Table Text Block] Stock Issued During Period, Price Per Share Stock Issued During Period, Price Per Share Stock Issued During Period, Price Per Share Assets Pledged to Us [Member] Assets Pledged to Us [Member] Assets Pledged to Us [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Summary of Long and Short Position of Derivative Instruments Schedule of Long and Short Position of Derivative Instruments [Table Text Block] Schedule of Long and Short Position of Derivative Instruments [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Trading Securities Par Trading Securities Par Trading Securities Par Value Agency Securities [Member] Agency Securities [Member] 30 Days or Less [Member] Maturity Less than 30 Days [Member] Maturity Less than 30 Days [Member] Series C Preferred Stock [Member] Series C Preferred Stock [Member] Segments [Axis] Segments [Axis] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Weighted Average Number of Fully Vested Restricted Stock Units and Performance Share Units Outstanding Weighted Average Number of Fully Vested Restricted Stock Units and Performance Share Units Outstanding Weighted Average Number of Fully Vested Restricted Stock Units and Performance Share Units Outstanding Scenario [Domain] Scenario [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Principal collections on Agency mortgage-backed securities Proceeds From Principal Collection Of Mortgage Backed Securities Categorized As Available For Sale The cash inflow from collection of principal from borrowers on mortgage backed securities held. Gross Amount Offset in the Consolidated Balance Sheets Gross Amount Offset in the Consolidated Balance Sheets Fair value before effects of master netting arrangements, of a financial asset or liability or other contract and the contract can be net settled by means outside the contract or delivery of an asset or liability offset in the consolidated balance sheets 3.5% Coupon [Member] 3.5% Coupon [Member] 3.5% Coupon [Member] Preferred Stock D, Liquidation Preference, Value Preferred Stock D, Liquidation Preference, Value Value of the difference between preference in liquidation and the par or stated values of the preferred D shares. Adjustments for Change in Accounting Principle [Axis] Change in Accounting Principle, Type [Axis] Variable Rate [Domain] Variable Rate [Domain] Payable for investment securities purchased Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Pay vs Performance Disclosure [Line Items] Entity Voluntary Filers Entity Voluntary Filers Statistical Measurement [Domain] Statistical Measurement [Domain] Notional Amount Derivative Liability, Notional Amount Notional Amount Derivative Liability, Notional Amount Underlying Security Market Price Change Underlying Security Market Price Change, Percent Non-Dividend Distributions Per Share Non-Dividend Distributions Per Share Non-Dividend Distributions Per Share for Tax Purposes Preferred Stock, Liquidation Preference Per Share Preferred Stock, Liquidation Preference Per Share Contingencies Disclosure [Text Block] Contingencies Disclosure [Text Block] Restricted Cash and Securities Pledged Restricted Cash and Securities Pledged Restricted Cash and Securities Pledged Less Than or Equal to Five Years Less Than or Equal to Five Years [Member] Less Than or Equal to Five Years Debt Securities, Trading, and Equity Securities, FV-NI Debt Securities, Trading, and Equity Securities, FV-NI Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Debt Securities, Available-for-Sale, Unamortized premium Debt Securities, Available-for-Sale, Unamortized Premium The amount of unamortized premium on available-for-sale securities. Security Owned and Pledged as Collateral, Fair Value Securities Owned and Pledged as Collateral, Fair Value Fair value of financial instrument held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Variable Interest Entity, Primary Beneficiary [Member] Variable Interest Entity, Primary Beneficiary [Member] Debt Instrument, Description of Variable Rate Basis Description of variable rate basis Debt Instrument, Description of Variable Rate Basis Reverse Repurchase Agreements [Member] Reverse Repurchase Agreements [Member] Reverse Repurchase Agreements [Member] Receivable for securities sold [Member] Receivable for securities sold [Member] Receivable for securities sold [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Restatement Determination Date: Restatement Determination Date [Axis] Repurchase Agreements Securities Sold under Agreements to Repurchase Securities Sold under Agreements to Repurchase Nonoperating Income (Expense) Nonoperating Income (Expense) Series E Preferred Stock [Member] Series E Preferred Stock [Member] Net proceeds from common stock issuance Proceeds from Issuance of Common Stock Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Future [Member] Future [Member] 9 to 12 Months 10 to 12 Months [Member] 10 to 12 Months [Member] Other Liabilities Other Liabilities [Table Text Block] Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture Weighted Average Forward Start Days Weighted Average Forward Start Days Weighted Average Forward Start Days Payments for preferred stock redemptions Payments for Repurchase of Preferred Stock and Preference Stock Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] PEO Total Compensation Amount PEO Total Compensation Amount At Carrying Value At Carrying Value [Member] Carrying Value Hedging Relationship [Axis] Hedging Relationship [Axis] Intended annual distribution of taxable net income Intended Annual Distribution of Taxable Net Income Intended Annual Distribution of Taxable Net Income Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Less Than or Equal to Three Years [Member] Less Than or Equal to Three Years [Member] Less Than or Equal to Three Years Federal Home Loan Bank Stock Federal Home Loan Bank Stock Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Net loss Net income (loss) Net Income (Loss) Derivative Contract [Domain] Derivative Contract [Domain] Derivative Contract [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Repurchase Agreements And Other Debt Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] 15 Year Maturity [Member] 15 Year Maturity [Member] 15 Year Maturity [Member] Stock Repurchased During Period, Value Repurchase of common stock, value Stock Repurchased During Period, Value Cost and Proceeds of Investment Securities [Member] Cost and Proceeds of Investment Securities [Member] Cost and Proceeds of Investment Securities [Member] Short-term Debt, Percentage Bearing Fixed Interest Rate Short-Term Debt, Percentage Bearing Fixed Interest Rate Securities Received as Collateral, Amount Repledged and Sold Collateral Securities Repledged, Delivered, or Used Interest Rate Swaption [Member] Interest Rate Swaption [Member] Comprehensive Income, Policy [Policy Text Block] Comprehensive Income, Policy [Policy Text Block] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Maturity 31 To 59 Days [Member] Maturity 31 To 59 Days [Member] Maturity 31 To 59 Days [Member] Name Measure Name 1 to 3 Months thirty one to ninety [Member] thirty one to ninety [Member] thirty one to ninety [Member] Name Forgone Recovery, Individual Name Gain on derivative instruments and other securities, net Loss On Derivative Instruments And Trading Securities Net Loss on derivative instruments and trading securities, net Goodwill Goodwill Preferred Stock E, Liquidation Preference, Value Preferred Stock E, Liquidation Preference, Value Value of the difference between preference in liquidation and the par or stated value of the preferred E shares Underlying Securities Award Underlying Securities Amount Dividends declared per common share Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Schedule of Available-for-sale Securities [Table] Schedule of investment Securities by Issuer [Table] Schedule of investment Securities by Issuer Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Unrealized Gains and (Losses), Net OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax 48 to 60 Months 49 to 60 Months [Member] 49 to 60 Months [Member] 49 to 60 Months [Member] Preferred Stock C, Liquidation Preference, Value Preferred Stock C, Liquidation Preference, Value Value of the difference between preference in liquidation and the par or stated values of the preferred C shares. Counterparty Exposure, Net Counterparty Exposure, Net Represents the net carrying value of the securities pledged under repurchase agreements, including accrued interest plus any cash or assets on deposit to secure the repurchase obligation, less the amount of the repurchase liability, including accrued interest. 12 to 24 Months 13 to 24 Months [Member] 13 to 24 Months [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Securitized CMO Securities Securitized CMO Securities The sum of the fair values, as of the date of each statement of financial position presented, of directly held CMO securities and interest-only securities including retained interest in transfers treated as sales and the fair value of securities held by consolidated CMO trusts. Net Amounts of Assets Presented in the Consolidated Balance Sheets Net Amount of Assets (Liabilities) Presented on the Balance Sheet Fair value after effects of master netting arrangements, of a financial asset or liability or other contract and the contract can be net settled by means outside the contract or delivery of an asset or liability. Income Statement Location [Axis] Income Statement Location [Axis] Asset Pledged as Collateral [Member] Asset Pledged as Collateral [Member] Agency securities remeasured at fair value through earnings [Member] Agency securities remeasured at fair value through earnings [Member] Agency Securities Remeasured At Fair Value Through Earnings [Member] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Ginnie Mae [Member] Government National Mortgage Association Certificates and Obligations (GNMA) [Member] Government National Mortgage Association Certificates and Obligations (GNMA) [Member] Weighted Average Coupon Available For Sale Securities Weighted Average Life Coupon Rate This item represents the weighted average life of available-for-sale agency securities by weighted average coupon rate. Commercial Mortgage Backed Securities [Member] Commercial Mortgage-Backed Securities [Member] Other Performance Measure, Amount Other Performance Measure, Amount Interest Rate Receive Swap Interest Rate Receive Swap [Member] Interest Rate Receive Swap Interest Rate Swaps Excluding Forward Starting [Member] Interest Rate Swaps Excluding Forward Starting [Member] Interest Rate Swaps Excluding Forward Starting [Member] Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Plan Name [Domain] Plan Name [Domain] Issuance costs of redeemed preferred stock Issuance costs of redeemed preferred stock Issuance costs of redeemed preferred stock Costs associated with the issuance of redeemed preferred stock Preferred Stock, Percent Interest Per Share Preferred Stock, Percent Interest Per Share Preferred Stock, Percent Interest Per Share Interest expense Interest Expense Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Fixed Income Securities [Member] Fixed Income Securities [Member] Trading Arrangement: Trading Arrangement [Axis] Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Entity File Number Entity File Number Unamortized discount Debt Instrument, Unamortized Discount Greater Than Three Years and Less Than or Equal to Five Years [Member] Greater Than Three Years and Less Than or Equal to Five Years [Member] Greater Than Three Years and Less Than or Equal to Five Years [Member] Schedule of Trading Securities and Other Trading Assets [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Repurchase and Resale Agreements Policy [Policy Text Block] Repurchase and Resale Agreements Policy [Policy Text Block] Auditor Firm ID Auditor Firm ID Securities or Other Assets Sold under Agreements to Repurchase [Axis] Securities or Other Assets Sold under Agreements to Repurchase [Axis] Amortization of intangible assets Amortization of Intangible Assets Entity Shell Company Entity Shell Company Series D Preferred Stock [Member] Series D Preferred Stock [Member] Restatement Determination Date Restatement Determination Date Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Stock by Class [Table Text Block] Schedule of Stock by Class [Table Text Block] Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Asset Class [Axis] Asset Class [Axis] Stock Repurchased During Period Purchase Date, Shares Stock Repurchased During Period Trade Date, Shares Number of shares that have been repurchased during the period, including shares that settled after the period, and have not been retired and are not held in treasury. Subsequent Events, Policy Subsequent Events, Policy [Policy Text Block] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Common Stock, Shares, Issued Common Stock, Shares, Issued Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Preferred Stock Dividend Payment Rate Variable Rate Spread Preferred Stock Dividend Payment Rate Variable Rate Spread The percentage rate spread over three-month libor used to calculate dividend payments on preferred stock Sale Of TBA And Forward Settling Agency Securities [Member] Sale Of TBA And Forward Settling Securities [Member] Sale Of T B A And Forward Settling Securities [Member] Total assets Assets, Fair Value Disclosure Unrealized Loss Position For - Unrealized Loss - Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Derivative, Average Fixed Interest Rate Average Fixed Pay Rate Derivative, Average Fixed Interest Rate Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Series F Preferred Stock [Member] Series F Preferred Stock [Member] Interest Paid, Including Capitalized Interest, Operating and Investing Activities Interest Paid, Including Capitalized Interest, Operating and Investing Activities Entity Address, Address Line One Entity Address, Address Line One Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned and Pledged as Collateral [Table] Subsequent Event [Table] Subsequent Event [Table] Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect US Government Futures Securities [Table Text Block] US Government Futures Securities [Table Text Block] US Government Futures Securities [Table Text Block] TBA, net carrying value Derivative, Fair Value, Net Derivative, Fair Value, Net Subsequent Event [Member] Subsequent Event [Member] Proceeds from Issuance of Redeemable Preferred Stock Proceeds from Issuance of Redeemable Preferred Stock Income Statement [Abstract] Income Statement [Abstract] Interest Rate Swaps Linked to Secured Overnight Financing Rate Interest Rate Swaps Linked to Secured Overnight Financing Rate The percentage of Interest Rate Swaps Linked to Secured Overnight Financing Rate in the portfolio. Schedule of Investments [Line Items] Schedule of Investments [Line Items] Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues 30 Year Maturity [Member] 30 Year Maturity [Member] 30 Year Maturity [Member] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Derivative liabilities, at fair value Derivative Liability Derivative Liability Derivative Liability Schedule of Federal Home Loan Bank Advances and Weighted Average Interest Rates [Table Text Block] Schedule of Federal Home Loan Bank Advances and Weighted Average Interest Rates [Table Text Block] Schedule of Federal Home Loan Bank Advances and Weighted Average Interest Rates [Table Text Block] Schedules Of Securities Pledged As Collateral Under Repurchase Agreement Schedules Of Securities Pledged As Collateral Under Repurchase Agreement [Text Block] [Table Text Block] Schedules Of Securities Pledged As Collateral Under Repurchase Agreement [Text Block] [Table Text Block] Class of Stock [Line Items] Class of Stock [Line Items] Derivative Position [Domain] Derivative Position [Domain] Derivative Position [Domain] Gain Loss on Other Debt Gain Loss on Other Debt Gain Loss on Other Debt Financial Instrument [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Depository shares each representing a 1/1,000th interest in a share of 7.750% Series B Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 7.750% Series B Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 7.750% Series B Cumulative Redeemable Preferred Stock [Member] Derivative [Member] Derivative [Member] Interest Receivable Interest Receivable Stock Repurchased During Period Settled After Period - Value Stock Repurchased During Period Settled After Period - Value Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury but that settled after the period. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Weighted Average Remaining Maturity of Repurchase Agreements Extinguished - Extinguished Debt Weighted Average Remaining Maturity of Repurchase Agreements Extinguished - Extinguished Debt Weighted Average Remaining Maturity of Repurchase Agreements Extinguished - Extinguished Debt Variable Interest Entities [Abstract] Variable Interest Entities [Abstract] Variable Interest Entities [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount Payments for Repurchase of Common Stock Payments for common stock repurchases Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Proceeds from Sale of Debt Securities, Trading Proceeds from Sale of Debt Securities, Trading Amount of cash inflow from sale of investment in debt securities remeasured at fair value through earnings (trading). Mortgage-backed Securities, Issued by Private Enterprises [Member] Mortgage-Backed Securities, Issued by Private Enterprises [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Segments [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Retained deficit Retained Earnings (Accumulated Deficit) Consolidated Balance Sheets (Parenthetical) [Abstract] Consolidated Balance Sheets (Parenthetical) [Abstract] Consolidated Balance Sheets (Parenthetical) [Abstract] Schedule Of Outstanding Not Designated As Hedging Instruments Schedule Of Outstanding Not Designated As Hedging Instruments [Table Text Block] Schedule Of Outstanding Not Designated As Hedging Instruments [Table Text Block] 3.0% - 4.0% Coupons 3.0% - 4.0% Coupons [Member] 3.0% - 4.0% Coupons Principal amount Debt Instrument, Face Amount AAA Non-Agency Mortgage-Backed Securities [Member] AAA Non-Agency Mortgage-Backed Securities [Member] AAA rated Non-Agency Mortgage-Backed Securities [Member] Net Fair Value of Interest Rate Swaps Excluding the Recognition of Variation Margin Settlements as a Reduction of Carrying Value Net Fair Value of Interest Rate Swaps Excluding the Recognition of Variation Margin Settlements as a Reduction of Carrying Value Net Fair Value of Interest Rate Swaps Excluding the Recognition of Variation Margin Settlements as a Reduction of Carrying Value Total Fair Value Of Agency Securities Pledged And Accrued Interest Total Fair Value Of Agency Securities Pledged And Accrued Interest Total Fair Value Of Agency Securities Pledged And Accrued Interest Other Assets and Other Liabilities Disclosure Other Assets and Other Liabilities Disclosure [Text Block] The entire disclosure for other assets and other liabilities Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Short [Member] Short [Member] Operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Agency Securities Pledged As Collateral Accrued Interest Agency Securities Pledged As Collateral Accrued Interest Item represents accrued interest on agency securities pledged as collateral. Payer Swaption [Member] Payer Swaption [Member] Payer Swaption [Member] Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Table] Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Table] Repurchase Agreements with Counterparties Greater than or equal to 5% of Equity at Risk [Table] Proceeds from repurchase arrangements Proceeds from Short-Term Debt Other Assets [Table] Other Assets [Table Text Block] Schedule of Other Assets Underlying Collateral Coupon Underlying Collateral Coupon Underlying Collateral Coupon Pledged Assets Pledged Assets [Text Block] Pledged Assets [Text Block] Asset Class [Domain] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain] Asset Class [Domain] Net long TBA position, at fair value Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Derivative Asset, Subject to Master Netting Arrangement, before Offset A Rating [Member] A Rating [Member] A Rating [Member] Class of Stock [Domain] Class of Stock [Domain] Payable for Unsettled Transactions Payable for Unsettled Transactions Amount payable for transactions that are unsettled Net income (loss) available (attributable) to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic AAA Rating [Member] AAA Rating [Member] AAA Rating [Member] Greater Than One Year and Less Than or Equal to Three Years [Member] Greater Than One Year and Less Than or Equal to Three Years [Member] Greater Than One Year and Less Than or Equal to Three Years [Member] Securities (Assets) [Member] Securities (Assets) [Member] Interest Rate Derivatives, at Fair Value, Net Fair Value Interest Rate Derivatives, at Fair Value, Net Derivative asset, fair value Interest rate swaps Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount All Executive Categories All Executive Categories [Member] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Forward Settling non-Agency Securities Forward Settling non-Agency Securities [Member] Forward Settling non-Agency Securities Pledged Assets [Abstract] Pledged Assets [Abstract] Pledged Assets [Abstract] Basis of Accounting Basis of Accounting [Text Block] Common stock - $0.01 par value; 1,500 shares authorized; 648.0 and 574.6 shares issued and outstanding, respectively Common Stock, Value, Issued Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Options At Cost Cost Options At Cost Options At Cost Excluding Cash Received [Member] Excluding Cash Received [Member] Excluding Cash Received [Member] Interest Payable Interest Payable Notional Amount Of Derivatives Not Designated As Hedging Instruments Additions During The Period Additions Notional Amount Of Derivatives Not Designated As Hedging Instruments Additions During The Period Notional Amount Of Derivatives Not Designated As Hedging Instruments Additions During The Period All Individuals All Individuals [Member] Credit Default Swap, Buying Protection Credit Default Swap, Buying Protection [Member] Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Debt Securities, Trading Securities, Gross Unrealized Gains Debt Securities, Trading Securities, Gross Unrealized Gains The amount of unrealized gains on trading securities. PEO Name PEO Name Schedule Of Interest Rate Swap Agreement By Remaining Maturity Schedule Of Interest Rate Swap Agreement By Remaining Maturity [Table Text Block] Schedule Of Interest Rate Swap Agreement By Remaining Maturity [Table Text Block] Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Multifamily [Member] Multifamily [Member] Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Weighted Average Coupon Rate Weighted Average Coupon Rate Weighted Average Coupon Rate Bethesda Securities [Member] Bethesda Securities [Member] Bethesda Securities [Member] Debt Securities, Trading, Unrealized Gain Debt Securities, Trading, Unrealized Gain 3 to 6 Months 4 to 6 Months [Member] 4 to 6 Months [Member] 4 to 6 Months [Member] Credit Risk Transfer Securities [Member] Credit Risk Transfer Securities [Member] GSE Credit Risk Transfer Securities [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Preferred Units by Name [Axis] Preferred Units by Name [Axis] Total stockholders' equity Balance, value Balance, value Equity, Attributable to Parent Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Subsequent Events [Abstract] Subsequent Events [Abstract] Receivable for Unsettled Transactions Receivable for Unsettled Transactions Amount receivable for transactions that are unsettled Net proceeds from (payments on) reverse repurchase agreements Proceeds from (Payments for) Securities Purchased under Agreements to Resell Fair Value Measurement, Policy Fair Value Measurement, Policy [Policy Text Block] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Hedging Designation [Domain] Hedging Designation [Domain] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Agency securities transferred to consolidated variable interest entities, at fair value (pledged securities) Agency securities transferred to consolidated variable interest entities, at fair value The fair value of Agency Securities transferred to consolidated variable interest entities. Net gain (loss) on sale of investment securities Loss on sale of investment securities, net Gain (Loss) on Sales of Mortgage-Backed Securities (MBS) Preferred Stock, Liquidation Preference, Value Preferred Stock, Liquidation Preference, Value Derivative Position [Axis] Derivative Position [Axis] Derivative Position [Axis] Risk of interest swap and swaption agreements to stockholders' equity Credit Derivative, Maximum Exposure, Undiscounted Preferred Stock, Dividedn Rate, Percentage, Basis Spread Preferred Stock, Dividedn Rate, Percentage, Basis Spread Preferred Stock, Dividedn Rate, Percentage, Basis Spread Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Weighted average expected constant prepayment rate Future Prepayment Rate Assumption Of Investment Portfolio Future Prepayment Rate Assumption Of Investment Portfolio Average future constant repayment rate assumption of Investment Portfolio. Document Fiscal Period Focus Document Fiscal Period Focus Stock based compensation Share-Based Payment Arrangement, Noncash Expense APIC, Share-based Payment Arrangement, Recognition and Exercise APIC, Share-Based Payment Arrangement, Recognition and Exercise City Area Code City Area Code Earnings Per Share [Text Block] Earnings Per Share [Text Block] Section 199A Dividends Per Share Section 199A Dividends Per Share Section 199A Dividends Per Share For Tax Purposes Document Fiscal Year Focus Document Fiscal Year Focus Other Assets and Other Liabilities [Abstract] Other Assets and Other Liabilities [Abstract] Preferred Class B [Member] Preferred Class B [Member] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Liability [Member] Liability [Member] Exercise Price Award Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Assets Sold under Agreements to Repurchase, Type [Domain] Assets Sold under Agreements to Repurchase, Type [Domain] Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Amount Gain/(Loss) Recognized in Income on Derivatives Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Common dividends declared Dividends, Common Stock, Cash Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities Liabilities, Fair Value Disclosure Investment Securities Class [Axis] Guarantor Obligations by Underlying Asset Class [Axis] Underlying Asset Class [Axis] Offsetting Assets and Liabilities [Table] Offsetting Assets and Liabilities [Table] Offsetting Assets and Liabilities [Table] Repurchase Agreements Weighted Average Months To Maturity Repurchase Agreements Weighted Average Months To Maturity Repurchase Agreements Weighted Average Months To Maturity Amortization of premiums and discounts on mortgage-backed securities, net Accretion (Amortization) of Discounts and Premiums, Investments Total liabilities and stockholders' equity Liabilities and Equity Debt Securities, Available-for-sale, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Beginning OCI Balance Ending OCI Balance AOCI, Debt Securities, Available-for-Sale, Adjustment, after Tax Common Stock At The Market Sale Agreement [Member] Common Stock At The Market Sale Agreement [Member] Common Stock At The Market Sale Agreement [Member] Percentage of Repurchase Agreement Funding Percentage of Repurchase Agreement Funding Percentage of Repurchase Agreement Funding Arrangement Duration Trading Arrangement Duration Notional Amount Of Derivatives Not Designated As Hedging Instruments Settlement Expiration During The Period Settlement, Expirations or Exercise Notional Amount Of Derivatives Not Designated As Hedging Instruments Settlement Expiration During The Period Notional Amount Of Derivatives Not Designated As Hedging Instruments Settlement Expiration During The Period Summary Of Agency Securities Estimated Weighted Average Life Classifications Summary of Mortgage Backed Securities Estimated Weighted Average Life Classifications [Table Text Block] Summary of Mortgage Backed Securities Estimated Weighted Average Life Classifications [Table Text Block] Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Securities and Cash Pledged as Collateral from Counterparties [Table Text Block] Schedule of Securities and Cash Pledged as Collateral from Counterparties [Table Text Block] Schedule of Securities and Cash Pledged as Collateral from Counterparties [Table Text Block] Unrealized loss on investment securities measured at fair value through net income, net Net unrealized gain (loss) on investment securities measured at fair value through net income Net unrealized gain (loss) on investment securities measured at fair value through net income Government Agency [Axis] Security Type [Axis] Security Type ERROR in label resolution. Swaption [Member] Schedule of Financial Instruments Owned and Pledged as Collateral Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Termination Date Trading Arrangement Termination Date Adjustments for Change in Accounting Principle [Domain] Change in Accounting Principle, Type [Domain] Common Stock, Shares Authorized Common Stock, Shares Authorized Non-Agency securities, at fair value, and other mortgage credit investments (including pledged securities of $253 and $605, respectively) Non-Agency Securities, at Fair Value Non-Agency Securities, at Fair Value Non-Agency Securities, at Fair Value Schedule of Interest Rate Swap Agreement by Receive Index (as a percentage of Notional Amount) [Table Text Block] Schedule of Interest Rate Swap Agreement by Receive Index (as a percentage of Notional Amount) [Table Text Block] Schedule of Interest Rate Swap Agreement by Receive Index (as a percentage of Notional Amount) [Table Text Block] Total available-for-sale securities, at fair value Debt Securities, Available-for-Sale Receivable for investment securities sold (including pledged securities of $273 and $119, respectively) Other Receivable from Broker-Dealer and Clearing Organization Preferred Stock G, Value, Issued Preferred Stock G, Value, Issued Aggregate par or stated value of issued nonredeemable preferred G stock (or preferred stock G redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within the stockholders' equity. Derivative Instruments Designation [Domain] Derivative Instruments Designation [Domain] [Domain] for Derivative Instruments Designation [Axis] Investment Securities Class [Domain] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Derivative [Line Items] Derivative [Line Items] Award Timing Disclosures [Line Items] Preferred Stock [Table Text Block] Preferred Stock [Table Text Block] [Table Text Block] for Schedule of the company's preferred stock by series outstanding for the period(s) being reported. Title of Individual [Domain] Title of Individual [Domain] Dividends payable Dividends Payable 2.5% Coupon [Member] 2.5% Coupon [Member] 2.5% Coupon [Member] Additional paid-in capital Additional Paid in Capital Net Amount Net Amount After Deducting Gross Amounts Not Offset on the Balance Sheet From Net Amount of Assets (Liabilities) Presented on the Balance Sheet Net amount after deducting gross amounts not offset on the balance sheet from net amount of assets (liabilities) presented on the balance sheet. Credit Rating [Axis] Credit Rating [Axis] Credit Rating [Axis] Schedule of Outstanding Derivatives Not Designated as Hedging Instruments Schedule of Outstanding Derivatives Not Designated as Hedging Instruments [Table Text Block] Schedule of Outstanding Derivatives Not Designated as Hedging Instruments [Table Text Block] Preferred Stock B, Liquidation Preference, Value Preferred Stock B, Liquidation Preference, Value Value of the difference between preference in liquidation and the par or stated values of the preferred B shares. Accrued interest on pledged securities Available For Sale Securities Pledged As Collateral Accrued Interest AvailableForSaleSecuritiesPledgedAsCollateralAccruedInterest Derivative liabilities, at fair value [Member] Derivative Financial Instruments, Liabilities [Member] Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Weighted Average Forward Start Date Weighted Average Forward Start Date Weighted Average Forward Start Date Insider Trading Arrangements [Line Items] Preferred Stock D, Value, Issued Preferred Stock D, Value, Issued Aggregate par or stated value of issued nonredeemable preferred D stock (or preferred stock D redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Related Party [Axis] Related Party, Type [Axis] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Increase in other assets Increase (Decrease) in Other Operating Assets Other derivative asset Other derivative asset Other derivative asset Discontinuation of Election to Account for Interest Rate Swaps as Designated Cash Flow Hedges [Member] Discontinuation of Election to Account for Interest Rate Swaps as Designated Cash Flow Hedges [Member] Discontinuation of Election to Account for Interest Rate Swaps as Designated Cash Flow Hedges [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Greater Than Five Years and Less than or Equal to Seven Years [Member] Greater Than Five Years and Less than or Equal to Seven Years [Member] Greater Than Five Years and Less than or Equal to Seven Years [Member] Gross Gain & Loss of Investment Securities [Member] Gross Gain & Loss of Investment Securities [Member] Gross Gain & Loss of Investment Securities [Member] Auditor Name Auditor Name Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Option Indexed to Issuer's Equity, Type [Axis] Option Indexed to Issuer's Equity, Type [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Preferred Stock, Dividend Rate, Percentage Preferred Stock, Dividend Rate, Percentage Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Other Derivatives [Member] Other derivative instruments [Member] Other Derivatives [Member] Other Derivatives [Member] Securities Remeasured at Fair Value [Member] Securities Remeasured at Fair Value [Member] Securities Remeasured at Fair Value Through Earnings [Member] Entity Central Index Key Entity Central Index Key Other Assets - Other Other Assets - Other Other Assets - Other Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Greater Than Three Years and Less Than or Equal to Four Years Greater Than Three Years and Less Than or Equal to Four Years [Member] Greater Than Three Years and Less Than or Equal to Four Years Member Preferred dividends declared Dividends, Preferred Stock, Cash Dividends, Preferred Stock, Cash Name Trading Arrangement, Individual Name Total agency MBS, at fair value Total Agency Securities Represents total investment in agency securities at fair value. Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Entity [Domain] Entity [Domain] Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Fair Value Hedging [Member] Fair Value Hedging [Member] Offsetting Assets and Liabilities [Line Items] Offsetting Assets and Liabilities [Line Items] [Line Items] for Offsetting Assets and Liabilities [Table] Net interest income Interest Income (Expense), Net Principal collections on credit risk transfer and non-Agency securities Principal collections on credit risk transfer and non-Agency securities Principal collections on CRT and non-Agency securities Derivative Agreements and Other Derivative Agreements and Other [Member] Derivative Agreements and Other Agreements Goodwill Disclosure [Text Block] Goodwill Disclosure [Text Block] Receiver Swaption [Member] Receiver Swaption [Member] Receiver Swaption [Member] Weighted average number of common shares outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Trading Securities [Member] Trading Securities [Member] Investment in debt security remeasured at fair value through earnings (trading securities) Cash Pledged From Counterparties Cash Pledged From Counterparties Cash Pledged From Counterparties Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Weighted Average Yield Available For Sale Securities Weighted Average Life yield Available For Sale Securities Weighted Average Life yield Debt Securities, Available-for-sale, Realized Loss Debt Securities, Available-for-Sale, Realized Loss Company Selected Measure Amount Company Selected Measure Amount 4.5% - 5.5% Coupons 4.5% - 5.5% Coupons [Member] 4.5% - 5.5% Coupons Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Schedule of Tax Treatment of Distributions Per Share Schedule of Tax Treatment of Distributions Per Share [Table Text Block] Schedule of Tax Treatment of Distributions Per Share Plan Name [Axis] Share Repurchase Program [Axis] Unamortized premium Debt Instrument, Unamortized Premium Securities Remeasured at Fair Value Through Earnings, Debt Securities Securities Remeasured at Fair Value Through Earnings, Debt Securities Amount of debt securities remeasured at fair value through earnings. Labor and Related Expense Labor and Related Expense Risk Of Repurchase Agreement To Stockholders Equity Risk Of Repurchase Agreement To Stockholders Equity Risk Of Repurchase Agreement To Stockholders Equity Series A Preferred Stock [Member] Series A Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 6.875% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 6.875% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Depository shares each representing a 1/1,000th interest in a share of 6.875% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Schedule of Dividends Declared [Abstract] Schedule of Dividends Declared [Abstract] Schedule of Dividends Declared [Abstract] Maturity Overnight [Member] Maturity Overnight [Member] Non-NEOs Non-NEOs [Member] Derivative By Maturity Years [Domain] Derivative By Maturity Years [Domain] [Domain] for Derivative By Maturity Years [Axis] Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Other Assets [Line Items] Other Assets [Line Items] Other Assets [Line Items] Disclosure of Repurchase Agreements [Abstract] Disclosure of Repurchase Agreements [Abstract] Non-PEO NEO Non-PEO NEO [Member] Mortgage-backed Securities Available-for-sale, Fair Value Disclosure Debt Security, Mortgage-Backed, Available-for-Sale, Fair Value Disclosure Adjustment to Compensation: Adjustment to Compensation [Axis] Interest Rate Swaps Linked to 3-Month LIBOR Interest Rate Swaps Linked to 3-Month LIBOR The percentage Interest Rate Swaps Linked to 3-Month LIBOR in the portfolio. 6 to 9 Months 7 to 9 months [Member] 7 to 9 months [Member] Weighted average number of common shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic Scenario [Axis] Scenario [Axis] Long-Term Capital Gain Dividend Per Share Long-Term Capital Gain Dividend Per Share Long-Term Capital Gain Dividend Per Share For Tax Purposes 4.5% Coupon [Member] 4.5% Coupon [Member] 4.5% Coupon [Member] Schedule of Short-term Debt [Table] Schedule of Short-Term Debt [Table] Long [Member] Long [Member] Changes in Derivative and Other Hedge Portfolio [Roll Forward] Changes in Derivative and Other Hedge Portfolio [Roll Forward] Changes in Derivative and Other Hedge Portfolio [Roll Forward] Credit Default Swaps Credit Default Swaps Centrally cleared Credit Default Swaps (CDS) that reference the Markit CDX Investment Grade Index. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items]