Entity Central Index Key Unsettled purchased mortgage backed securities, at fair value. Other Comprehensive Income, Available-for-sale net unrealized gains losses on agency MBS. Other comprehensive income net unrealized gains and losses on other than temporarily impaired securities net of tax. Other comprehensive income reclassification adjustment for interest expense included in net income. The amount reclassified from AOCI for termination of hedge accounting. Other comprehensive income loss reclassification to available for sale mortgage backed securities. Other Comprehensive Income, Unrealized Holding Gain (Loss) On Securities And Reclassification Adjustment For Sale Of Securities, Net of Tax Document and entity information. Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Statement Of Financial Position [Abstract] Assets Assets [Abstract] Mortgage-backed securities, at fair value (including pledged assets of $11,540,366 and $13,932,415) Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value Agency CRT securities, at fair value Financial Instruments Owned Other At Fair Value Mortgage loans held for investment, at fair value (including pledged assets of $47,176 and $50,143) Loans Receivable Fair Value Disclosure Mortgage loans held for investment in securitization trusts, at fair value Mortgage Backed Securities Held To Maturity Fair Value Disclosure Mortgage loans held for sale, at fair value (including pledged assets of $25,919 and $17,542) Loans Held For Sale Fair Value Disclosure Mortgage servicing rights, at fair value Servicing Asset At Fair Value Amount Cash and cash equivalents (including pledged cash of $469,690 and $376,081) Cash And Cash Equivalents At Carrying Value Unsettled purchased mortgage-backed securities, at fair value Unsettled Purchased Mortgage Backed Securities At Fair Value Receivable for securities sold Receivables From Brokers Dealers And Clearing Organizations Accrued interest receivable Interest Receivable Principal payments receivable Notes And Loans Receivable Net Current Other investments Other Investments Derivative assets, at fair value Derivative Assets Other assets Other Assets Total assets Assets Liabilities and shareholders’ equity Liabilities And Stockholders Equity [Abstract] Borrowings: Debt And Capital Lease Obligations [Abstract] Repurchase agreements Securities Sold Under Agreements To Repurchase Warehouse lines of credit Warehouse Agreement Borrowings Federal Home Loan Bank advances Advances From Federal Home Loan Banks Collateralized borrowings in securitization trusts, at fair value Long Term Debt Fair Value Total borrowings Debt And Capital Lease Obligations Payable for unsettled securities Payables To Broker Dealers And Clearing Organizations Accrued interest payable Interest Payable Current And Noncurrent Derivative liabilities, at fair value Derivative Liabilities Dividends payable Dividends Payable Current And Noncurrent Other liabilities Other Liabilities Total liabilities Liabilities Shareholders’ equity: Stockholders Equity [Abstract] 7.625% Series A Cumulative Redeemable Preferred stock, $.001 par value, 25,000,000 shares authorized, 11,500,000 shares issued and outstanding ($287,500 aggregate liquidation preference) Preferred Stock Value Common stock, $.001 par value, 200,000,000 shares authorized, 94,529,206 and 95,773,767 shares issued and outstanding Common Stock Value Additional paid-in capital Additional Paid In Capital Accumulated deficit Retained Earnings Accumulated Deficit Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Total shareholders’ equity Stockholders Equity Total liabilities and shareholders’ equity Liabilities And Stockholders Equity Asset of collateralized financing entity. Liabilities of collateralized financing entity. Mortgage-backed securities, pledged assets Available For Sale Securities Pledged As Collateral Mortgage loans held for investment, pledged assets Loans Pledged As Collateral Pledged cash Restricted Cash And Cash Equivalents Mortgage loans held for sale, pledged assets Securities Held As Collateral At Fair Value Series A preferred stock dividend rate per year Preferred Stock Dividend Rate Percentage 7.625% Series A Cumulative Redeemable Preferred stock, par value Preferred Stock Par Or Stated Value Per Share 7.625% Series A Cumulative Redeemable Preferred stock, shares authorized Preferred Stock Shares Authorized 7.625% Series A Cumulative Redeemable Preferred stock, shares issued Preferred Stock Shares Issued 7.625% Series A Cumulative Redeemable Preferred stock, shares outstanding Preferred Stock Shares Outstanding 7.625% Series A Cumulative Redeemable Preferred stock, aggregate Liquidation Preference Preferred Stock Liquidation Preference Value Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Asset of collateralized financing entity Asset Of Collateralized Financing Entity Liabilities of collateralized financing entity Liabilities Of Collateralized Financing Entity Interest income securities mortgage loans in securitization trusts. Interest income short term cash investments. Collateralized borrowings in securitization trust. The total net increase or decrease in fair value as a result of changes in the inputs, assumptions or model used to calculated the fair value of servicing assets, as well as other changes in fair value that are not additions or disposals. Gain loss on miscellaneous income net. Securitization Deal Costs. Income Statement [Abstract] Interest income: Interest And Dividend Income Operating [Abstract] Securities Interest And Dividend Income Securities Mortgage loans Interest And Fee Income Loans And Leases Mortgage loans in securitization trusts Interest Income Securities Mortgage Loans In Securitization Trusts Short-term cash investments Interest Income Short Term Cash Investments Total interest income Interest And Dividend Income Operating Interest expense: Interest Expense [Abstract] Repurchase agreements Interest Expense Securities Sold Under Agreements To Repurchase Warehouse lines Interest Expense Short Term Borrowings Collateralized borrowings in securitization trusts Collateralized Borrowings In Securitization Trusts Total interest expense Interest Expense Net interest margin Interest Income Expense Net Other income (loss): Noninterest Income [Abstract] Servicing income Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets Management fee income Management Fees Revenue Net realized gain on sale of securities Gain Loss On Sale Of Securities Net Net gain on mortgage loans Gain Loss On Sales Of Loans Net Net loss on mortgage servicing rights Servicing Asset At Fair Value Total Changes In Fair Value Net loss on derivative instruments Gain Loss On Derivative Instruments Net Pretax Net miscellaneous gains and losses Gain Loss On Miscellaneous Income Net Total other loss Noninterest Income Expenses: Noninterest Expense [Abstract] Management fee Management Fee Expense Share-based compensation Share Based Compensation Servicing expenses Expense Related To Distribution Or Servicing And Underwriting Fees General and administrative General And Administrative Expense Securitization deal costs Securitization Deal Costs Total expenses Noninterest Expense Net loss Net Income Loss Dividends on preferred stock Dividends Preferred Stock Cash Net loss available to common shareholders Net Income Loss Available To Common Stockholders Basic Loss per share - common stock, basic Earnings Per Share Basic Loss per share - common stock, diluted Earnings Per Share Diluted Dividends per share of common stock Common Stock Dividends Per Share Declared Weighted average common shares outstanding, basic Weighted Average Number Of Shares Outstanding Basic Weighted average common shares outstanding, diluted Weighted Average Number Of Diluted Shares Outstanding Comprehensive income (loss) available to common shareholders. Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Net unrealized gains on securities available for sale Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Net unrealized gains on derivative instruments Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax Other comprehensive income Other Comprehensive Income Loss Net Of Tax Comprehensive income (loss) Comprehensive Income Net Of Tax Comprehensive income (loss) available to common shareholders Comprehensive Income Loss Available To Common Shareholders Net Of Tax Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income [Member] Class of Stock Statement Class Of Stock [Axis] Class of Stock Class Of Stock [Domain] 7.625% Series A Cumulative Redeemable Preferred Stock Redeemable Preferred Stock [Member] Statement [Line Items] Statement [Line Items] Balance Repurchase of common stock Stock Repurchased During Period Value Share-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Dividends declared on preferred stock Dividends declared on common stock Dividends Common Stock Cash Other comprehensive income Balance Statement Of Cash Flows [Abstract] Major Types of Debt and Equity Securities Major Types Of Debt And Equity Securities [Axis] Major Types of Debt and Equity Securities Major Types Of Debt And Equity Securities [Domain] Redeemable Preferred Stock Operating activities Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Net loss Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Net amortization of premium related to mortgage-backed securities Accretion Amortization Of Discounts And Premiums Investments Reclassification of deferred swap net loss Amortization Of Deferred Hedge Gains Share-based compensation expense Net realized gain on sale of securities Gain Loss On Sale Of Investments Net unrealized loss on MSR Net unrealized gain on mortgage loans Gain Loss On Sale Of Mortgage Loans Purchase of mortgage loans held for sale Payments To Purchase Mortgage Loans Held For Sale Sale of mortgage loans held for sale Increase Decrease In Mortgage Loans Held For Sale Net loss on derivative instruments Gain Loss On Sale Of Derivatives Other Other Noncash Income Expense Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Decrease in accrued interest receivable Increase Decrease In Accrued Interest Receivable Net (Increase) decrease in other assets Increase Decrease In Other Operating Assets Decrease in accrued interest payable Increase Decrease In Interest Payable Net Increase in other liabilities Increase Decrease In Other Operating Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Investing activities Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchases of securities Payments To Acquire Available For Sale Securities Principal repayments on securities Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Sales of securities Proceeds From Sale Of Available For Sale Securities Purchases of mortgage loans held for investment Payments To Acquire Loans And Leases Held For Investment Principal repayments on mortgage loans held for investment Proceeds From Principal Repayments On Loans And Leases Held For Investment Purchases of mortgage servicing rights Payments To Acquire Mortgage Servicing Rights M S R Net payments on derivative instruments Payments For Derivative Instrument Investing Activities Net cash provided by investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Financing activities Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Repurchase of common stock Payments For Repurchase Of Common Stock Cash dividends paid Payments Of Dividends Proceeds from borrowings Proceeds From Issuance Of Debt Principal repayments on borrowings Repayments Of Debt Proceeds from collateralized trust borrowing Proceeds From Repayments Of Accounts Receivable Securitization Repayments on collateralized trust borrowing Repayments Of Accounts Receivable Securitization Net cash used in financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Supplemental schedule of non-cash investing and financing activities Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Obligation to brokers for unsettled purchases of securities Unrecorded Unconditional Purchase Obligation Purchases Receivable for securities sold Other Significant Noncash Transaction Value Of Consideration Received1 Dividends accrued not yet paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization and Business Description Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Collateralized financing entity text block. Collateralized Financings [Abstract] Collateralized Financing Entity Collateralized Financing Entity [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Investments Debt And Equity Securities [Abstract] Debt Security Category Information By Category Of Debt Security [Axis] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments Other Than Temporary Impairment Credit Losses Recognized In Earnings Categories Of Investments [Domain] Available-for-sale MBS Availableforsale Securities [Member] Mortgage-Backed Securities Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Debt Security Debt Security [Axis] Major Types of Debt Securities Major Types Of Debt Securities [Domain] Available sale securities mortgage loan. Mortgage Loans Available Sale Securities Mortgage Loan [Member] Mortgage servicing rights. Mortgage Servicing Rights Mortgage Servicing Rights [Member] Schedule Of Investments [Abstract] Other Investments Investment Holdings Schedule Of Investments [Text Block] Banking And Thrift [Abstract] Borrowings Debt Disclosure [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract]