Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Maximum catch-up contribution if over the age of 50 Defined Contribution, Maximum Annual Contribution Per Employee, Additional Contribution Per Employee Over Certain Age Defined Contribution, Maximum Annual Contribution Per Employee, Additional Contribution Per Employee Over Certain Age Trading Arrangement: Trading Arrangement [Axis] Retained balance Consideration Received for Beneficial Interest Obtained for Transferring Financial Asset Maximum Maximum [Member] Loans held-for-sale, at fair value Loans held-for-sale, at fair value Balance, beginning of period Balance, end of period Financing Receivable, Held-for-Sale Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Amount at risk Repurchase Agreement Counterparty, Amount at Risk Servicer advances, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Servicer Advances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Servicer Advances Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Carrying Amount Reported Value Measurement [Member] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Increase/(decrease) on securities with an allowance in the prior period Debt Securities, Available-for-sale, Excluding Accrued Interest, Allowance for Credit Loss, Securities with Prior Allowance, Period (Increase) Decrease Debt Securities, Available-for-sale, Excluding Accrued Interest, Allowance for Credit Loss, Securities with Prior Allowance, Period (Increase) Decrease Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Payable for investments purchased Payable for investments purchased Carrying value as of the balance sheet date of liabilities incurred and payable for investments purchased. Pledged Status [Axis] Pledged Status [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] RESPA, base servicing fee, rate Reference Spread Agreement For Agency Loans, Base Servicing Fee, Rate Reference Spread Agreement For Agency Loans, Base Servicing Fee, Rate Payable for investments purchased Noncash Investing Activities, Payable for Investments Purchased The increase (decrease) in the noncash amount owed by the entity to a counterparty resulting from the purchase of investments, and which is attributable to investing activities. Derivatives, short contracts Derivatives, Short Contracts Derivatives, Short Contracts Derivative Instrument [Axis] Derivative Instrument [Axis] Interests in MSR financing receivables Interests in MSR financing receivables, Fair Value Balance, beginning of period Balance, end of period Servicing Asset at Fair Value, Amount Increase in provision for credit losses Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Capital contribution (distribution) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Capital Contribution Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Capital Contribution Securitized debt loans held for investment at cost Securitized Debt Loans Held For Investment At Cost Secured financing obligations carried at cost as of the reporting date consisting of securitizations that are collateralized by residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of that securitization. Consolidated Entities [Axis] Consolidated Entities [Axis] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Change in fair value of contingent earn-out liability Increase (Decrease) In Business Combination, Contingent Consideration, Liability Increase (Decrease) In Business Combination, Contingent Consideration, Liability Unrealized gains from IRLC Unrealized gain (loss) from IRLC Financing Receivable, Held-For-Sale, Unrealized Gains (Loss) From Interest Rate Lock Commitments Financing Receivable, Held-For-Sale, Unrealized Gains (Loss) From Interest Rate Lock Commitments 8.875% Senior Notes Due 2030 8.875% Senior Notes Due 2030 [Member] 8.875% Senior Notes Due 2030 Cumulative distributions to stockholders Cumulative Dividends Principal payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, liability, Collections Collections made during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax [Abstract] Investment management and advisory fees Fee Income Fair value adjustment on mortgage loans held-for-sale Fair Value Adjustment On Mortgage Loans Held For Sale Fair Value Adjustment On Mortgage Loans Held For Sale Consolidated Entities [Domain] Consolidated Entities [Domain] 8.875% Senior Notes Due 2030, Over-Allotment Option 8.875% Senior Notes Due 2030, Over-Allotment Option [Member] 8.875% Senior Notes Due 2030, Over-Allotment Option Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Pass-through Pass-Through Residential Mortgage Backed Securities [Member] Pass-Through Residential Mortgage Backed Securities Secured financing agreements Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Total, Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Awards reserved for future issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (Accretion) Amortization of investment discounts/premiums, net Accretion (Amortization) of Discounts and Premiums, Investments Collateral amount Debt Instrument, Collateral Amount Reclassification adjustment for net realized losses (gains) included in net income for other-than-temporary credit impairment losses Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, Net of Tax Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount One to Three Years Securitized Debt Maturities Calculated Repayments Of Principal In Years One And Two The estimated amount of principal repayment of securitized debt in years two and three following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses. Number of reportable segments Number of Reportable Segments Realized gains (losses) on sales and settlements Realized gains (losses) on sales and settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) On Sales And Settlements Included In Earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) on Sales and Settlements Included in Earnings Securities sold under agreements to repurchase, weighted average borrowing rate Securities Sold under Agreements to Repurchase, Average Rate Paid 2026 Securitized Debt Loans Held For Investment Principal Callable In Year One The principal amount of securitized debt collateralized by loans held for investment callable in year two following the date of the latest balance sheet presented in the financial statements. Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Amortized Cost Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Repurchase Agreements Securities Sold under Agreements to Repurchase [Member] Entity Address, City or Town Entity Address, City or Town Granted shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Servicing and asset manager fees Servicing fees Variable Interest Entity, Measure of Activity, Expense Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Capital distribution Servicing Asset at Fair Value, Disposals Percentage of underlying mortgages, year originated Percentage Of Underlying Mortgages Year Originated The sum of the percentages of the portfolio of investments as of the reporting date pertaining to years of origination. FICO, Actual Underlying Mortgages Fair Isaacs Corporation Credit Score, Actual Underlying Mortgages Fair Isaacs Corporation Credit Score, Actual Unpaid principal balance Loans held for investment, Unpaid Principal/Notional Loans On Residential Real Estate Held For Investment, Principal Amount Loans On Residential Real Estate held For Investment, Principal Amount Number of wholly owned direct subsidiaries Number Of Wholly Owned Subsidiaries The number of wholly owned direct subsidiaries. Interest income from investment in MSR financing receivables Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) On Interest Income From Investments, Included In Earnings Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Realized Gain (Loss) On Interest Income From Investments, Included In Earnings Gross Unrealized Gain Included in Cumulative Earnings Available For Sale Securities Gross Unrealized Gains In Deficit The amount of gross unrealized gain on available for sale securities as of the reporting date recognized in earnings. Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Performance period Share Based Compensation Arrangement by Share Based Payment Award, Performance Period The performance period over which over which the equity-based payment award is measured, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 90+ Days Delinquent Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward] Maximum employee contribution to plan if under the age of 50 Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount Changes in unrealized gains (losses) Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net change in fair value Financing Receivable, Held-For-Sale, Net Change In Fair Value Financing Receivable, Held-For-Sale, Net Change In Fair Value Provision (benefit) Provision (Benefit) For Loan Repurchase Reserve Provision (Benefit) For Loan Repurchase Reserve Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Segment Reporting Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Gain on origination and sale of loans Gain On Origination And Sale Of Loans, Net Gain On Origination And Sale Of Loans, Net Non-cash contribution from related party Adjustments To Additional Paid In Capital, Non-Cash Contribution From Related Party Adjustments To Additional Paid In Capital, Non-Cash Contribution From Related Party Other comprehensive loss Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Weighted Average Coupon Investment Owned Weighted Average Of Stated Interest Rates At End Of Period This element represents the weighted average of stated or coupon rates of interest on investments owned as of the reporting date. Securitized debt at fair value, collateralized by loans held for investment, Unpaid Principal/Notional Securitized Debt Loans Held For Investment At Fair Value, Principal Amount Securitized Debt Loans Held For Investment At Fair Value, Principal Amount Number of securitizations redeemed Number Of Securitizations Redeemed Number Of Securitizations Redeemed Greater than one year and less than five years, at fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Document Period End Date Document Period End Date Derivative Liability Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding TESPA, monthly distribution of servicing fees in excess True Excess Spread Agreement, Monthly Distribution Of Servicing Fees In Excess True Excess Spread Agreement, Monthly Distribution Of Servicing Fees In Excess Principal balance Debt Instrument, Face Amount Underwriter purchase option, term Debt Instrument, Underwriter Purchase Option, Term Debt Instrument, Underwriter Purchase Option, Term Net income available to common shareholders — Diluted Net Income (Loss) Attributable to Parent, Diluted Position [Axis] Position [Axis] Greater than ten years, at amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Secured financing agreements ($8.6 billion and $7.4 billion pledged as collateral, respectively, and includes $284 million and $299 million at fair value, respectively) Secured Financing Agreements, Unpaid Principal/Notional Net Amounts Offset in the Consolidated Statements of Financial Position Securities Sold under Agreements to Repurchase 2004 2004 [Member] 2004 Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] 2 Year Swap Futures 2 Year Swap Futures [Member] 2 Year Swap Futures Interest received Interest Received During Period The gross amount of interest income received in cash during the period. Loans Held for Investment Securitization Loans On Residential Real Estate Held for Investment [Text Block] This element represents the disclosure related to investments in securitized loans on residential real estate, which are categorized as held for investment. Net income (loss) per share available to common shareholders: Earnings Per Share [Abstract] Offsetting Liabilities [Line Items] Offsetting Liabilities [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Total liabilities of consolidated VIEs Liabilities Trading Symbol Trading Symbol Weighted Average Discount Rate Measurement Input, Discount Rate [Member] Fair Value Total maturities, at fair value Debt Securities, Available-for-Sale, Excluding Accrued Interest Amortization of MSR loan pool Servicing Asset At Fair Value, Amortization Servicing Asset At Fair Value, Amortization Residential Origination Segment Residential Origination Segment [Member] Residential Origination Segment Schedule of Repurchase Agreement Counterparty [Table] Repurchase Agreement, Counterparty [Table] Other investment gains (losses) Other investment (gains) losses Gain (Loss) On Other Investments Gain (Loss) On Other Investments Loans sold Loans Sold, Amount Loans Sold, Amount Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Business Combination, Goodwill, Reportable Segment Assignment [Table] Business Combination, Goodwill, Reportable Segment Assignment [Table] Securitized debt, collateralized by Non-Agency RMBS ($195 million and $210 million pledged as collateral, respectively) Securitized debt, collateralized by Non-Agency RMBS Securitized debt, collateralized by Non-Agency RMBS Securitized Debt, Non-Agency Residential Mortgage-Backed Securities Secured financing obligations as of the reporting date consisting of securitizations that are collateralized by Non-Agency residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of the securitization. Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Senior Notes Due 2029 Senior Notes Due 2029 [Member] Senior Notes Due 2029 Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Derivative, fixed interest rate Derivative, Fixed Interest Rate Net unrealized (gains) losses on financial instruments at fair value Unrealized Gain (Loss) on Financial Instruments, As Adjusted Unrealized Gain (Loss) on Financial Instruments, As Adjusted Offsetting Liabilities [Table] Offsetting Liabilities [Table] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Aggregate offering price Sale Of Stock, Aggregate Offering Price Sale Of Stock, Aggregate Offering Price Non-agency MBS and Loans held for investment Non Agency Residential Mortgage Backed Securities And Loans Held For Investment [Member] Non Agency Residential Mortgage Backed Securities And Loans Held For Investment [Member] Direct loan origination costs, net Financing Receivable, Held-For-Sale, Direct Loan Origination Costs, Net Financing Receivable, Held-For-Sale, Direct Loan Origination Costs, Net Two Year Interest Rate Cap, 3.05% Strike Rate Two Year Interest Rate Cap, 3.05% Strike Rate [Member] Two Year Interest Rate Cap, 3.05% Strike Rate Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Dividends payable Dividends declared, not yet paid Dividends Payable Entities [Table] Entities [Table] Total Securitized Debt Loans Held For Investment Principal Callable The principal amount of securitized debt collateralized by loans held for investment callable at the option of the Company. Net Unrealized Gain/(Loss) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Summary of the Changes in the Fair Value of Securities Classified as Level 3 Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Three Year Interest Rate Cap, 3.00% Strike Rate Three Year Interest Rate Cap, 3.00% Strike Rate [Member] Three Year Interest Rate Cap, 3.00% Strike Rate Award Timing Predetermined Award Timing Predetermined [Flag] 2009 2009 [Member] 2009 Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Gross Unrealized Loss Included in Cumulative Earnings Available For Sale Securities Gross Unrealized Losses In Deficit The amount of gross unrealized losses on available for sale securities as of the reporting date recognized in earnings. Agency CMBS - ACMBS bond Agency Commercial Mortgage Backed Securities Bond [Member] Agency Commercial Mortgage Backed Securities Bond Commitments to invest in MSRs Commitments To Invest In Mortgage Servicing Rights Commitments To Invest In Mortgage Servicing Rights Effect of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Notional amount of derivatives, terminations Notional Amount Of Derivatives, Terminations Notional amount of derivatives terminated during the period. Number of states in which entity operates Number of States in which Entity Operates Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Residential Mortgage Backed Securities Residential Mortgage-Backed Securities Residential Mortgage-Backed Securities [Member] Weighted average percentage single family residence Underlying Mortgages Weighted Average Percentage Single Family Residence As of the balance sheet date, the weighted average of underlying mortgages that are single family residences. Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Long term debt Long-Term Debt, Fair Value Plan Name [Domain] Plan Name [Domain] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Schedule of Collateral Characteristics of Underlying Mortgages of Non-Agency RMBS Portfolio Schedule Of Collateral Characteristics Of Underlying Mortgages Of Non-Agency Mortgage Backed Securities Portfolio [Table Text Block] Tabular presentation of collateral characteristics of underlying mortgages securing the non-agency MBS portfolio, including number of mortgages, and weighted average maturity, FICO, and geographic concentrations. Less than one year, at amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Common dividends paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Schedule of Callable Debt Debt Instrument Redemption [Table Text Block] Restricted cash Restricted Cash and Cash Equivalent Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Net Amount Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Maturity dates of credit facility Line of Credit Facility, Expiration Period Coupon, Base Rate Underlying Mortgages Coupon Rate Percentage, Base Rate The coupon rate of interest as of the balance sheet date. Derivative assets - IRLCs Derivative Asset, Measurement Input Mortgage-Backed Securities Available For Sale Securities Disclosure [Text Block] This item represents the entire disclosure related to Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] CDR Measurement Input, Default Rate [Member] 9.000% Senior Notes Due 2029 9.000% Senior Notes Due 2029 [Member] 9.000% Senior Notes Due 2029 2008 2008 [Member] 2008 Segments [Domain] Segments [Domain] Interest rate swaps Interest Rate Swap [Member] Currently callable Securitized Debt Loans Held For Investment Principal Callable, Current Securitized Debt Loans Held For Investment Principal Callable, Current Securitized Debt Debt Disclosure [Text Block] Secured Financing Agreements Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block] Debt issuance costs, net Debt Issuance Costs, Net Tenor spread adjustment Preferred Stock, Basis Spread, Tenor Spread Adjustment Preferred Stock, Basis Spread, Tenor Spread Adjustment Business Combination [Table] Business Combination [Table] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Payments on securitized debt borrowings, collateralized by Non-Agency RMBS Repayments of Non Retained Secured Debt The cash outflow from the payment of debt issued by consolidated variable interest entities. Securitized debt Loans held for investment Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Fair value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Gain on origination and sale of loans, net Gain on origination and sale of loans, net Gain (Loss) On Origination And Sale Of Loans, Net Gain (Loss) On Origination And Sale Of Loans, Net Payments for equity method investment fees Payments to Acquire Equity Method Investments Interest rate Debt Instrument, Interest Rate, Stated Percentage Common dividends declared Dividends, Common Stock, Cash Total stockholders’ equity Beginning Balance Ending Balance Total stockholders’ equity Equity, Attributable to Parent Real Estate [Domain] Real Estate [Domain] Derivative instrument, drop expense Derivative Instrument, Drop Expense Derivative Instrument, Drop Expense Assets: Assets [Abstract] Three to Five Years Securitized Debt Maturities Calculated Repayments Of Principal In Years Three And Four The estimated amount of principal repayment of securitized debt in years four and five following the date of the latest balance sheet presented in the financial statements, b based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses. Insider Trading Policies and Procedures [Line Items] Derivative, cap interest rate Derivative, Cap Interest Rate Fair Value, Liabilities Measured on Recurring Basis [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Schedule Of Repurchase Reserves Schedule Of Repurchase Reserves [Table Text Block] Schedule Of Repurchase Reserves REO Real Estate Owned [Member] Real Estate Owned [Member] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Interests in MSR financing receivables, measurement input Servicing Asset, Measurement Input Loans held for investment Loans Held for Investment [Member] Loans Held for Investment [Member] Securities excluded from computation of EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Entity Central Index Key Entity Central Index Key Additional paid-in-capital Additional Paid in Capital, Common Stock Five Year Interest Rate Cap, 3.05% Strike Rate Five Year Interest Rate Cap, 3.05% Strike Rate [Member] Five Year Interest Rate Cap, 3.05% Strike Rate Equity [Abstract] Equity [Abstract] Other income (losses): Other Gains Losses [Abstract] Other Gains Losses [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Premium from loan sales Financing Receivable, Held-For-Sale, Premium From Loan Sales Financing Receivable, Held-For-Sale, Premium From Loan Sales Weighted Average Fair Value (in dollars per share) Investment Weighted Average Fair Value Per Security This element represents the weighted average of the fair values of the securities (the average amount per security). Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Preferred stock, dividend rate (percent) Preferred Stock, Dividend Rate, Percentage 2021 2021 [Member] 2021 Total Principal Securitized Residential Mortgage Loans Principal Amount Outstanding Securitized Residential Mortgage Loans Principal Amount Outstanding Servicer advances, net Servicing Asset At Fair Value, Servicer Advances Servicing Asset At Fair Value, Servicer Advances Foreclosure Foreclosure [Member] Foreclosure [Member] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Acquired Financing Receivable, Held-For-Sale, Acquired During Period Financing Receivable, Held-For-Sale, Acquired During Period SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] Non-Agency RMBS - Senior Non Agency Senior Mortgage Backed Securities Available For Sale [Member] Non Agency Senior Mortgage Backed Securities Available For Sale [Member] Mortgage Servicing Counterparty Mortgage Servicing Counterparty [Member] Mortgage Servicing Counterparty Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Excess of third party prices over (under) internally developed price, assets Assets, Excess (Deficit) Of Third Party Prices Over (Under) Internally Developed Price, Fair Value Disclosure Assets, Excess (Deficit) of Third Party Prices over (under) Internally Developed Price, Fair Value Disclosure All Individuals All Individuals [Member] Fair Value, Assets Measured on Recurring Basis [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Interest Rate Cap, 3.00% Strike Rate Interest Rate Cap, 3.00% Strike Rate [Member] Interest Rate Cap, 3.00% Strike Rate Statement [Line Items] Statement [Line Items] Total assets Total assets of consolidated VIEs Assets Assets Interest expense Interest Expense, Operating Shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Notional amount of derivatives exercised Notional Amount Of Derivatives Exercised Notional Amount Of Derivatives Exercised Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Senior Senior Residential Mortgage Backed Securities [Member] Senior Residential Mortgage Backed Securities [Member] Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Operating Segments Operating Segments [Member] Number of derivative contracts sold during the period Derivative, Number Of Contracts Sold During Period Derivative, Number Of Contracts Sold During Period Remaining borrowing capacity, percentage Line Of Credit Facility, Remaining Borrowing Capacity, Percentage Line Of Credit Facility, Remaining Borrowing Capacity, Percentage Reductions for the securities sold during the period Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sold Schedule of Assets Sold under Agreements to Repurchase [Table] Asset Sold under Agreement to Repurchase [Table] Gross Unrealized Gains Total Gross Unrealized Gain Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 5 Year U.S. Treasury Future 5 Year U.S. Treasury Future [Member] 5 Year U.S. Treasury Future OCI before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent PEO PEO [Member] Derivative, Length Of Maturity [Axis] Derivative, Length Of Maturity [Axis] Derivative, Length Of Maturity Five Year Interest Rate Cap, 3.00% Strike Rate Five Year Interest Rate Cap, 3.00% Strike Rate [Member] Five Year Interest Rate Cap, 3.00% Strike Rate Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Total, Number of Positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table] Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table] Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Table] Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Cumulative Earnings Retained Earnings [Member] Principal paydowns SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Carrying Value and Fair Value of Financial Instruments Not Carried at Fair Value on a Recurring Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Diluted (in dollars per share) Net income (loss) per average share attributable to common stockholders - Diluted (in dollars per share) Earnings Per Share, Diluted 2002 and prior 2002 And Prior [Member] 2002 And Prior Disclosure of Repurchase Agreements [Abstract] Disclosure of Repurchase Agreements [Abstract] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Interests in MSR financing receivables Mortgage Servicing Rights, Financing Receivable [Member] Mortgage Servicing Rights, Financing Receivable Owner Occupied Owner Occupied [Member] Owner Occupied [Member] Draws on credit facility Proceeds from Long-Term Lines of Credit Schedule of Offsetting Assets Offsetting Assets [Table Text Block] Repurchases Financing Receivable, Held-For-Sale, Repurchases Financing Receivable, Held-For-Sale, Repurchases Net Amount Derivative Asset. Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, after Offset and Deduction Derivative Asset. Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, after Offset and Deduction Net Amount Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, after Offset and Deduction Weighted average maturity Repurchase Agreement, Weighted-Average Maturity Period Credit Risk and Interest Rate Risk Credit Risk And Interest Rate Risk Disclosure [Text Block] This element represents the entire disclosure made about significant risks of investment activities related to mortgage loans and mortgage backed securities. Risks may include credit risk, interest rate risk, repurchase risk and other related items. Swap futures Swap Futures [Member] Swap Futures Loans held for investment Loans held for investment Loans Held For Investment At Fair Value [Member] Loans Held For Investment At Fair Value [Member] Credit Quality Indicator [Axis] Credit Quality Indicator [Axis] Credit Quality Indicator [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] 2007 2007 [Member] 2007 Intangible assets, gross Intangible Asset, Excluding Goodwill, before Accumulated Amortization Additions to the allowance for credit losses on securities for which credit losses were not previously recorded Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Decrease in accrued interest payable Increase (Decrease) in Interest Payable, Net Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments Derivative Assets And Liabilities, Security Purchased Under Agreement To Resell, And Security Borrowed, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Derivative Assets And Liabilities, Security Purchased Under Agreement To Resell, And Security Borrowed, Subject To Master Netting Arrangement, Deduction Of Financial Instrument Not Offset Comprehensive income (loss) available to common stock shareholders Comprehensive Income (Loss), Net Of Tax, Attributable To Common Shareholders Comprehensive Income (Loss), Net Of Tax, Attributable To Common Shareholders Agency MBS, at fair value Agency MBS, at fair value US Agency Mortgage Backed Securities, Fair Value US Agency Mortgage Backed Securities, Fair Value 2024 and later 2024 and Later [Member] 2024 and Later Schedule of Maturities of Long-Term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Palisades and HomeXpress Palisades and HomeXpress [Member] Palisades and HomeXpress Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Sale of Stock [Axis] Sale of Stock [Axis] 30 Year Mortgage-Backed Securities Futures 30 Year Mortgage-Backed Securities Futures [Member] 30 Year Mortgage-Backed Securities Futures Weighted average cost of financing (as a percent) Long-Term Debt, Weighted Average Interest Rate, at Point in Time Multi-family/mixed use/other Multifamily [Member] Cash Flows From Operating Activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Realized gain on derivative Derivative, Gain (Loss) on Derivative, Net Principal payments Proceeds from principal payments on other securities Proceeds from principal payments on other securities. Coupon, Actual Underlying Mortgages Coupon Rate Percentage, Actual Underlying Mortgages Coupon Rate Percentage, Actual Interest income, Assets of consolidated VIEs Interest Income, Securities, Mortgage-Backed Loans retained in loans held for investment Loans On Residential Real Estate Held For Investment, Loans Retained Loans On Residential Real Estate Held For Investment, Loans Retained Sales and settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales And Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales and Settlements Number of deferred compensation plans Number Of Deferred Compensation Plans Number Of Deferred Compensation Plans Business Combination Business Combination [Text Block] Depreciation, amortization, and impairment of intangible assets Depreciation, Amortization, And Impairment Depreciation, Amortization, And Impairment Dividend Equivalent Rights Dividend Equivalent Rights [Member] Dividend Equivalent Rights Commitment to purchase loans Commitment To Purchase Loans Commitment To Purchase Loans Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Loans held for sale, net book value Financing Receivable, Held-For-Sale, Net Book Value Financing Receivable, Held-For-Sale, Net Book Value Weighted Average Yield at Period-End Investment Owned Weighted Average Yields Of Interest At End Of Period This element represents the weighted average yield on investments owned as of the reporting date. Realized gains from hedging instruments, net Financing Receivable, Held-For-Sale, Realized Gains From Hedging Instruments Financing Receivable, Held-For-Sale, Realized Gains From Hedging Instruments Common stock, shares issued (in shares) Common Stock, Shares, Issued Beginning balance Level 3 Ending balance Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Entity Information [Line Items] Entity Information [Line Items] Amortization of MSR loan pool Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Amortization Of Mortgage Financing Receivables Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Amortization Of Mortgage Financing Receivables Settlements, net Loan Repurchase Reserve, Net Settlements Loan Repurchase Reserve, Net Settlements Unrealized Loss Position for 12 Months or More, Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Accumulated Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Class of Stock [Line Items] Class of Stock [Line Items] CA CALIFORNIA Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Net unrealized gains (losses) on financial instruments at fair value Unrealized Gain (Loss) on Financial Instruments Unrealized Gain (Loss) on Financial Instruments Expense related to qualified plan Defined Contribution Plan, Cost Change in fair value Net unrealized (gains) losses included in income Assets, Fair Value Adjustment Termination Date Trading Arrangement Termination Date Interest income from investment in MSR financing receivable, net Interest Income, Investment In Mortgage Servicing Rights Financing Receivable Interest Income, Investment In Mortgage Servicing Rights Financing Receivable Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Investments with Difference Between Model Price and Third-Party Price Investments with Difference Between Model Price and Third-Party Price [Member] Investments with Difference Between Model Price and Third-Party Price [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Reperforming Loans Reperforming Loans [Member] Reperforming Loans Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Investments in Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Non-cash financing activities: Noncash Financing Items [Abstract] Noncash Financing Items Weighted average loan balance (in thousands) Underlying Mortgages Weighted Average Loan Balance As of the balance sheet date, the weighted average of unpaid principal amounts of underlying mortgages. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Series B Preferred Stock Series B Preferred Stock Par Value Preferred Class B [Member] Arrangement Duration Trading Arrangement Duration Margin cash collateral pledged to repurchase agreement counterparties Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Project loans Commercial Project Loans [Member] Commercial Project Loans [Member]  Gross Amounts Offset in the Consolidated Statements of Financial Position Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Asset Offset Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Asset Offset Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Unrealized Loss Position for Less than 12 Months, Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Net (accretion) amortization Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Accretion (Amortization) Principal accretion (amortization) recognized during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. 2007 Equity Incentive Plan Two Thousand And Seven Equity Incentive Plan [Member] Two Thousand And Seven Equity Incentive Plan [Member] Weighted average amortized loan to value Weighted average loan to value Underlying Mortgages Weighted Average Amortized Loan To Value As of the balance sheet date, the weighted average of underlying mortgages at amortized cost to their fair values determined using defined pricing methodologies. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount HomeXpress Mortgage Corp HomeXpress Mortgage Corp [Member] HomeXpress Mortgage Corp Changes in operating liabilities: Increase (Decrease) in Operating Liabilities [Abstract] Schedule of Key Characteristics of Residential Loan Portfolio Schedule of Securitized Loans Held For Investment At Fair Value Key Characteristics of Underlying Collateral [Table Text Block] Tabular presentation of collateral characteristics of underlying mortgages securing the securitized loans held for investment portfolio carried at fair value, including number of mortgages, and weighted average maturity, FICO, and geographic concentrations. Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Originations Financing Receivable, Held-For-Sale, Originations Financing Receivable, Held-For-Sale, Originations Schedule of Financial Assets and Liabilities Carried at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Asset Pledged as Collateral Asset Pledged as Collateral [Member] 10 Year Swap Futures 10 Year Swap Futures [Member] 10 Year Swap Futures Investment Geographic Region [Axis] Geographical [Axis] Restricted cash Restricted Cash Unrealized gains from hedging derivative instruments Financing Receivable, Held-For-Sale, Unrealized Gains From Derivative Instruments Financing Receivable, Held-For-Sale, Unrealized Gains From Derivative Instruments Net (accretion) amortization Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Accretion (Amortization) Principal accretion (amortization) recognized during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. 2005 2005 [Member] 2005 Principal payments Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Collections Collections made during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Total other income (losses) Other Gains Losses The aggregate amount of other gains (losses) not disclosed separately. Weighted average percentage owner-occupied Underlying Mortgages Weighted Average Percentage Owner Occupied As of the balance sheet date, the weighted average of underlying mortgages that are owner occupied. Other assets Other assets Other Assets 30 Days Delinquent Financial Asset, 30 to 59 Days Past Due [Member] Legal Entity [Axis] Legal Entity [Axis] Interest expense Interest Expense, Debt 1 to 29 days Maturity Less than 30 Days [Member] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash shown in the statement of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 2008 - 2023 2008 Through 2023 [Member] 2008 Through 2023 Sales Proceeds from Sale of Mortgage-Backed Securities (MBS), Available-for-Sale Average original maturity of Secured financing agreements secured by: Repurchase Agreement Counterparty, Original Weighted Average Maturity Of Agreements Repurchase Agreement Counterparty, Original Weighted Average Maturity Of Agreements Payments for derivative instruments Payments for Derivative Instrument, Investing Activities Non-NEOs Non-NEOs [Member] Overnight Maturity Overnight [Member] Debt instrument, extension term Debt Instrument, Extension, Term Debt Instrument, Extension, Term Purchases Payments to Acquire Mortgage-Backed Securities (MBS), Available-for-Sale Derivatives, at fair value Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Investment, Name [Domain] Investment, Name [Domain] Greater than five years and less than ten years, at amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Gain on origination and sale of loans, net Gain (Loss) On Unrealized Change In Gain On Origination Gain (Loss) On Unrealized Change In Gain On Origination Mortgage Backed Securities Collateralized Mortgage-Backed Securities [Member] 2003 2003 [Member] 2003 Statistical Measurement [Axis] Statistical Measurement [Axis] Performance Share Units Performance Share Units [Member] Performance Share Units [Member] Credit Quality Indicator, Updated Quarterly Credit Quality Indicator, Updated Quarterly [Member] Net realized gain (loss) Gain (Loss) on Sales of Mortgage-Backed Securities (MBS) Schedule of Derivative Instruments, Gains (Losses) Derivative Instruments, Gain (Loss) [Table Text Block] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Cumulative earnings Retained Earnings (Accumulated Deficit) (Increase) decrease in provision for credit losses Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Than Temporary Impairments Other than temporary impairments recognized during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. FL FLORIDA Unrealized loss (gain) for contingent earnout liability Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Proceeds from securitized debt borrowings, collateralized by Loans held for investment Proceeds from Issuance of Secured Debt Common Stock Common Stock Par Value Common Stock [Member] Two Year Interest Rate Cap, 3.00% Strike Rate Two Year Interest Rate Cap, 3.00% Strike Rate [Member] Two Year Interest Rate Cap, 3.00% Strike Rate Loans held for investment, at fair value Loans held for investment, at fair value Loans On Residential Real Estate Held For Investment, At Fair Value, Net This item represents securitized loans on residential real estate, which are categorized as held for investment and carried at fair value. Manufactured housing Manufactured Housing [Member] Manufactured Housing [Member] Fair Value Assessor [Axis] Fair Value Assessor [Axis] Fair Value Assessor [Axis] Provision for loan repurchase reserves Financing Receivable, Held-For-Sale, Benefit (Provision) For Loan Repurchase Reserves Financing Receivable, Held-For-Sale, Benefit (Provision) For Loan Repurchase Reserves Loss Severity Measurement Input, Loss Severity [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Schedule of Percentage of Securitized Loans Held For Investment Carried at Fair Value by Year Originated Schedule of Percentage of Securitized Loans Held For Investment At Fair Value by Year Originated [Table Text Block] Schedule showing the percentage of the securitized loans held for investment carried at fair value by origination year. Real Estate Property Ownership [Axis] Real Estate Property Ownership [Axis] Total liabilities and stockholders’ equity Liabilities and Equity Subordinated Subordinated Residential Mortgage Backed Securities [Member] Subordinated Residential Mortgage Backed Securities [Member] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Purchases of assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Tabular List, Table Tabular List [Table Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Secondary Secondary Occupancy [Member] Secondary Occupancy [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Underlying Mortgages, Origination Year [Domain] Underlying Mortgages, Origination Year [Domain] Underlying Mortgages, Origination Year [Domain] Interests in MSR financing receivables, Unpaid Principal/Notional Servicing Asset, Carrying Value Servicing Asset, Carrying Value Average remaining maturity of Secured financing agreements secured by: Repurchase Agreement Counterparty, Remaining Weighted Average Maturity Of Agreements Repurchase Agreement Counterparty, Remaining Weighted Average Maturity of Agreements Kah Capital Management Kah Capital Management [Member] Kah Capital Management Preferred Stock, par value of $0.01 per share, 100,000,000 shares authorized: Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Loan-to-value (LTV), Base Rate Underlying Mortgages Amortized Loan To Value, Base Rate As of the balance sheet date, the ratio of underlying mortgages at amortized cost to their fair values determined using defined pricing methodologies. 9.25% Senior Notes Due 2029, Over-Allotment Option 9.25% Senior Notes Due 2029, Over-Allotment Option [Member] 9.25% Senior Notes Due 2029, Over-Allotment Option Purchases Financing Receivable, Held-For-Sale, Purchases Financing Receivable, Held-For-Sale, Purchases Credit Concentration Risk Credit Concentration Risk [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Acquired securitized debt collateral outstanding principal balance Extinguishment of Debt, Amount 60 Days Delinquent Financial Asset, 60 to 89 Days Past Due [Member] Gross realized gains: Gain on Sale of Investments Assets, fair value disclosure Assets, Fair Value Disclosure Schedule of Secured Financing Agreements and Maturities Schedule of Repurchase Agreements [Table Text Block] Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Unrealized Loss Position for Less than 12 Months, Number of Positions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Debt Instrument [Line Items] Debt Instrument [Line Items] Non-cash investing activities: Noncash Investing Items [Abstract] Noncash Investing Items Additional Paid-in Capital Additional Paid-in Capital [Member] Securitized Loans Securitized Loans [Member] Securitized Loans [Member] Number of installments Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments Number of annual installments for share-based compensation awards paid upon separation of service. Accrued interest receivable Interest Receivable Name Trading Arrangement, Individual Name Realized (gains) losses on sales and settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Realized Gain (Loss) On Sales And Settlements Included In Earnings Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Realized Gain (Loss) On Sales And Settlements Included In Earnings Cash and cash equivalents Cash and Cash Equivalent Position [Domain] Position [Domain] Compensation Related Costs [Abstract] Compensation Related Costs [Abstract] Company Selected Measure Amount Company Selected Measure Amount Secured financing agreements outstanding principal secured by: Principal Gross Amounts of Recognized Assets (Liabilities) Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, before Offset Derivative contracts entered into during period Derivative, Contracts Entered Into During Period Derivative, Contracts Entered Into During Period Repurchase Agreement Counterparty [Line Items] Repurchase Agreement Counterparty [Line Items] Non-PEO NEO Non-PEO NEO [Member] Award Timing Method Award Timing Method [Text Block] Derivative remaining maturity Derivative, Remaining Maturity Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Transfers and Servicing of Financial Assets Transfers and Servicing of Financial Assets [Text Block] Net income (loss) Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Non-Agency RMBS, at fair value (net of allowance for credit losses of $53 million and $43 million, respectively) Non-Agency RMBS, at fair value Non Agency Residential Mortgage Backed Securities Fair Value Fair value as of the reporting date of investments in securitizations of residential mortgages from issuers other than US government agencies and US government sponsored enterprises. Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Components of AOCI Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summary of Changes in Carrying Value of Securitized Loans Held For Investment Carried at Fair Value Securitized Loans Held For Investment At Fair Value Roll Forward [Table Text Block] Tabular disclosure of the movement in securitized loans held for investment carried at fair value during the period, including presentation of the aggregate amounts of significant types of transactions that reconcile the opening balance to the closing balance. (Payments) proceeds for derivative settlements Increase (Decrease) in Derivative Assets Gain/(Loss) on Change in Fair Value Fair Value, Option, Changes in Fair Value, Gain (Loss) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Schedule of Changes in Loans Held for Sale Schedule Of Changes In Loans Held For Sale [Table Text Block] Schedule Of Changes In Loans Held For Sale Gross realized losses: Loss on Sale of Investments Weighted average number of common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] NJ NEW JERSEY Statistical Measurement [Domain] Statistical Measurement [Domain] 2006 2006 [Member] 2006 Document Fiscal Year Focus Document Fiscal Year Focus  Gross Amounts Offset in the Consolidated Statements of Financial Position Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Counterparty and Cash Collateral, netting Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Summary of Unrealized Gains and Losses on MBS Residential Mortgage Backed Securities, Summary of Unrealized Gains and Losses [Table Text Block] Schedule of unrealized gains and losses on the MBS portfolio as of the balance sheet date, including the component of stockholders' equity in which such gains or losses are reflected. Common stock: par value $0.01 per share; 166,666,667 shares authorized, 83,711,380 and 83,402,145 shares issued and outstanding, respectively Common Stock, Value, Issued Gross Unrealized Gain Included in Accumulated Other Comprehensive Income Available For Sale Securities, Gross Unrealized Gains Recognized In Accumulated Other Comprehensive Income The amount of gross unrealized gain on available for sale securities as of the reporting date recognized in accumulated other comprehensive income. Transaction expenses Other Expenses, Deal Expenses Other Expenses, Deal Expenses Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Counterparty and Cash Collateral, netting Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Schedule of MBS by Estimated Weighted Average Life Classification Schedule of Mortgage Backed Securities by Estimated Weighted Average Life Classification [Table Text Block] Schedule of actual mortgage backed securities, which are generally shorter than stated contractual maturities due to payments of principal, prepayments, etc. Margin received (paid) on derivatives Increase (Decrease) in Margin Deposits Outstanding Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share Loans Held for Sale Financing Receivables [Text Block] Origination Year as a Percentage of Outstanding Principal Balance: Percentage of Underlying Mortgages Year Originated [Abstract] Percentage of Underlying Mortgages Year Originated [Abstract] Amendment Flag Amendment Flag Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Purchases SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, New Mortgage Loan 180 days to 1 year Maturity Period Six [Member] Maturity Period Six [Member] NY NEW YORK Balance, beginning of period Balance, end of period Loan Repurchase Reserve Loan Repurchase Reserve Agency RMBS - CMO CMO Agency CMO Residential Mortgage Backed Securities [Member] Agency CMO Residential Mortgage Backed Securities Periodic interest on derivatives, net Financing Receivable, Held-For-Sale, Periodic Interest On Derivatives Financing Receivable, Held-For-Sale, Periodic Interest On Derivatives Gross Unrealized Losses Gross unrealized loss Total Gross Unrealized Loss Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Stock repurchase program, increase in authorized amount Stock Repurchase Program, Increase in Authorized Amount Stock Repurchase Program, Increase in Authorized Amount Investments [Domain] Investments [Domain] Direct loan origination costs, net Payment for Origination, Loan, Mortgage, Held-for-Sale Securitized debt at fair value, collateralized by Loans held for investment ($7.5 billion and $9.4 billion pledged as collateral, respectively) Securitized debt at fair value, collateralized by Loans held for investment, Fair Value Securitized debt at fair value, collateralized by Loans held for investment Securitized Debt Loans Held For Investment At Fair Value Secured financing obligations carried at fair value as of the reporting date consisting of securitizations that are collateralized by residential adjustable or fixed rate mortgage loans that have been placed in a trust and pay interest and principal to the debt holders of that securitization. Servicing Asset at Fair Value, Amount [Roll Forward] Servicing Asset at Fair Value, Amount [Roll Forward] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Residential Origination Residential Origination [Member] Residential Origination Entity Address, State or Province Entity Address, State or Province 2027 Securitized Debt Loans Held For Investment Principal Callable In Year Two The principal amount of securitized debt collateralized by loans held for investment callable in year three following the date of the latest balance sheet presented in the financial statements. Series C Preferred Stock Series C Preferred Stock Par Value Series C Preferred Stock [Member] PEO Total Compensation Amount PEO Total Compensation Amount Assets: Assets, Fair Value Disclosure [Abstract] Notional amount Notional Amount Outstanding Derivative, Notional Amount Basic (in shares) Weighted average basic shares (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Gains and Losses from Sales of Investments Schedule of Gain (Loss) on Securitizations or Asset-Backed Financing Arrangements of Financial Assets Accounted for as Sale [Table Text Block] Other expenses: Other Expenses [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Investment Portfolio Investment Portfolio [Member] Investment Portfolio Schedule of Summary of Credit Loss Allowance Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Within One Year Securitized Debt Maturities Calculated Repayments Of Principal In Next Twelve Months The estimated amount of principal repayment of securitized debt within the next twelve months following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses. Greater than five years and less than ten years, at fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 9.250% Senior Notes Due 2029 9.250% Senior Notes Due 2029 [Member] 9.250% Senior Notes Due 2029 Decrease in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Equity method investments Equity Method Investments, Fair Value Disclosure Securitized debt Securitized Debt Loans Held For Investment At Fair Value [Member] Securitized Debt at Fair Value, Collateralized by Loans Held for Investment [Member] 2010 - 2020 2010 Through 2020 [Member] 2010 Through 2020 Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Greater Than Five Years Securitized Debt Maturities Calculated Repayments Of Principal After Year Four The estimated amount of principal repayment of securitized debt after year five following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses. Proceeds from secured financing agreements Proceeds From Securities Sold Under Agreements To Repurchase, Financing Activities The cash inflow from investments under repurchase agreements. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Preferred dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Class of Stock [Axis] Class of Stock [Axis] Net income (loss) available to common shareholders Net income (loss) available to common shareholders — Basic Net Income (Loss) Available to Common Stockholders, Basic Debt Instrument Redemption [Table] Debt Instrument Redemption [Table] Interest Rate Cap, 3.95% Strike Rate Interest Rate Cap, 3.95% Strike Rate [Member] Interest Rate Cap, 3.95% Strike Rate Sales and settlements Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales And Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales and Settlements Intangible assets, accumulated amortization Intangible Asset, Finite-Lived, Accumulated Amortization Principal paydowns Financing Receivable, Held-For-Sale, Principal Paydowns Financing Receivable, Held-For-Sale, Principal Paydowns Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Schedule of Servicing Assets at Fair Value Schedule of Servicing Assets at Fair Value [Table Text Block] Loans internally valued lower than third party prices Number Of Investments Number of Investments Interest income from investment in MSR financing receivables Servicing Asset At Fair Value, Interest Income Servicing Asset At Fair Value, Interest Income Dividends on preferred stock Dividends on preferred stock Preferred dividends declared Dividends, Preferred Stock Capital commitment, amount funded Equity Method Investments, Capital Commitment, Amount Funded Equity Method Investments, Capital Commitment, Amount Funded Recently Adopted Accounting Standards and Recently Issued Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] 5 Year Swap Futures 5 Year Swap Futures [Member] 5 Year Swap Futures MBS pledged as collateral at fair value on Secured financing agreements Securities pledged as collateral at fair value on Secured financing agreements: Financial Instruments, Owned, at Fair Value Asset manager fee paid Asset Manager Fee Paid Asset Manager Fee Paid Series A Preferred Stock Series A Preferred Stock Par Value Preferred Class A [Member] Business Combination, Goodwill, Reportable Segment Assignment [Line Items] Business Combination, Goodwill, Reportable Segment Assignment [Line Items] U.S. Treasury futures Future [Member] Long term debt Long-Term Debt U.S. Treasury futures U.S. Treasury Future [Member] U.S. Treasury Future Subprime Subprime [Member] Three Year Interest Rate Cap, 3.05% Strike Rate Three Year Interest Rate Cap, 3.05% Strike Rate [Member] Three Year Interest Rate Cap, 3.05% Strike Rate Secured financing agreements, at fair value Secured financing agreements Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Net cash (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Capital Stock Equity [Text Block] Security Exchange Name Security Exchange Name Schedule of Percentage of Non-Agency RMBS by Year Originated Schedule Of Percentage Of Non-Agency Residential Mortgage Backed Securities By Year Originated [Table Text Block] Schedule showing the percentage of the non-agency RMBS portfolio by origination year, based on outstanding principal balance. Non-cash imputed compensation related to business acquisition Imputed Compensation Related To Business Acquisition Imputed Compensation Related To Business Acquisition Payments on secured financing agreements Principal Payments On Securities Sold Under Agreements To Repurchase, Financing Activities The cash outflow from investments under repurchase agreements. Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items] Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items] Securitized Loans Held For Investment By Consolidated Variable Interest Entities [Line Items] Unrealized Loss Position for 12 Months or More, Estimated Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Segment Reporting Segment Reporting, Policy [Policy Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] PA PENNSYLVANIA Net Interest Income: Interest Income (Expense), Operating [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Total Securitized Debt Maturities The sum of estimated amount of principal repayment of securitized debt after year five following the date of the latest balance sheet presented in the financial statements, based on expected cash flows of the residential mortgage loans or RMBS collateralizing the debt, and after adjustment for projected losses. Weighted average FICO Underlying Mortgages Weighted Average Fair Isaacs Corporation Credit Score As of the balance sheet date, the weighted average credit score of underlying mortgages based on their FICO ratings. Geographical [Domain] Geographical [Domain] Schedule of Assets and Liabilities Related to the Consolidated VIEs Schedule of Consolidated Securitization Entities on Financial Condition [Table Text Block] Tabular disclosure of the amounts included in the consolidated statements of financial condition attributable to securitization entities in which the company is deemed to be the primary beneficiary. Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Employer matching contribution, percent of employees' gross pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Deferred Stock Units Deferred Stock Units [Member] Deferred Stock Units Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Denominator: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Accretion of deferred financing costs, debt issuance costs, and Securitized debt discounts/premiums, net Amortization of Debt Issuance Costs and Discounts Interest expense, Non-recourse liabilities of VIEs Interest Expense, Mortgage-Backed Securities Represents interest expense, including any amortization and accretion (as applicable) of discounts and premiums, on debt backed by a pool of mortgages or trust deeds. Mortgage-backed securities might represent mortgage pass-through securities, collateralized mortgage obligations (CMO), real estate mortgage investment conduits (REMICs), CMO and REMIC residuals, and stripped mortgage-backed securities. At-The-Market Offering At-The-Market Offering [Member] At-The-Market Offering Net change in unrealized gain (loss) on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Net unrealized gains (losses) on derivatives Net unrealized (gains) losses on derivatives Unrealized Gain (Loss) on Derivatives Purchases Payments to Acquire Other Investments Residential Mortgage Residential Mortgage [Member] Asset Class [Domain] Asset Class [Domain] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted average dilutive shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Consolidated Securitization Vehicles and Other Variable Interest Entities Consolidation Of Variable Interest Entities Disclosure[Text Block] This element represents the entire disclosure made about the Company's interests in variable interest entities and their effects on the consolidated financial statements. Entity Emerging Growth Company Entity Emerging Growth Company Sales Agreements Sales Agreements [Member] Sales Agreements TBA securities Derivatives, Policy [Policy Text Block] Outstanding balance past due Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Investment Portfolio Segment Investment Portfolio Segment [Member] Investment Portfolio Segment TBA To-Be-Announced Securities [Member] To-Be-Announced Securities Variable interest entity, reporting entity involvement, maximum loss exposure, amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount 1 to 2 years Maturity Period Seven [Member] Maturity Period Seven [Member] Gross Amounts of Recognized Assets (Liabilities) Derivative Liability, Subject to Master Netting Arrangement, before Offset 120 to 180 days Maturity Period Five [Member] Maturity Period Five [Member] Distributions received from interests in MSR financing receivables Proceeds From Distributions Received In Financing Receivables Proceeds From Distributions Received In Financing Receivables Total Discount Available For Sale Debt Securities Discount Number of warehouse financing facilities under master repurchase agreements Number Of Warehouse Financing Facilities Under Master Repurchase Agreements Number Of Warehouse Financing Facilities Under Master Repurchase Agreements Derivative Assets Derivative Asset, Carrying Value Derivative Asset, Carrying Value Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Total unrealized gains (losses) for the period Total unrealized (gains) losses for the period Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Acquired during the period Loan Repurchase Reserve, Acquired During Period Loan Repurchase Reserve, Acquired During Period Purchases Servicing Asset at Fair Value, Additions Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Transfers and Servicing [Abstract] Derivative asset, notional amount Derivative Asset, Notional Amount Third Party Assessment Third Party Assessment [Member] Third Party Assessment [Member] Schedule of Unpaid Principal, Fair Value and Impact of Changes in Fair Value on Financial Instruments Fair Value Option, Disclosures [Table Text Block] All Executive Categories All Executive Categories [Member] Employer matching contribution, percent of match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Swaptions Swap [Member] Interest rate lock commitments Interest Rate Lock Commitments [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Net unrealized (gains) losses included in income Liabilities, Fair Value Adjustment Pull-through Rate Pull-Through Rate [Member] Pull-Through Rate 60 to 89 days Maturity Period Three [Member] Maturity Period Three [Member] Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Segment Reporting Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Fair Value Investments, Fair Value Disclosure Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities: Liabilities: Liabilities [Abstract] Unconsolidated VIEs, individual investments Variable Interest Entity, Nonconsolidated, Individual Investment Amount The individual investment amount related to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Agency CMBS Interest-only Agency Commercial Mortgage Backed Securities [Member] Agency Commercial Mortgage Backed Securities Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Derivative Derivative [Member] Accounts payable and other liabilities Other liabilities Other Liabilities Business Combination [Line Items] Business Combination [Line Items] Common stock dividends Dividends, Common Stock Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Cash Collateral (Received) Pledged Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Common stock, shares authorized (in shares) Common Stock, Shares Authorized Intangible assets, useful life Intangible Asset, Finite-Lived, Useful Life Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Debt instrument, issuance percentage Debt Instrument, Face Amount, Issuance Percentage Debt Instrument, Face Amount, Issuance Percentage Greater than ten years, at fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Exercise Price Award Exercise Price Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Segment Reporting [Line Items] Segment Reporting [Line Items] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Agency MBS portfolio Agency Mortgage Backed Securities [Member] Agency Mortgage Backed Securities [Member] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Equity Compensation, Employment Agreements and other Benefit Plans Compensation and Employee Benefit Plans [Text Block] Proceeds from sales: Proceeds from Sale of Debt Securities, Available-for-Sale Accrued interest payable Interest Payable Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] 2022 2022 [Member] 2022 Equity method investments Equity Method Investments Equity Component [Domain] Equity Component [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Real Estate Properties [Domain] Real Estate Properties [Domain] Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Investment in MSRs Servicing Asset Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] 30 to 59 days Maturity Period Two [Member] Second specified maturity period from the reporting date for a group of securities or other assets sold under repurchase agreements. Interest income Interest Income, Operating Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Schedule Of Gain On Origination And Sale Of Loans Schedule Of Gain On Origination And Sale Of Loans [Table Text Block] Schedule Of Gain On Origination And Sale Of Loans Business Combination [Domain] Business Combination [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Weighted average percent Underlying Mortgages, Weighted Average Percentage Underlying Mortgages, Weighted Average Percentage Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Financing receivable, purchases Financing Receivable, Excluding Accrued Interest, Purchase Weighted Average Weighted Average Weighted Average [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] Advances, percentage of fair value of collateral pledged Line Of Credit Facility, Advances, Percentage Of Fair Value Of Collateral Pledged Line Of Credit Facility, Advances, Percentage Of Fair Value Of Collateral Pledged Warehouse Agreement Borrowings Warehouse Agreement Borrowings [Member] Business Combination [Axis] Business Combination [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Net cash (used in) provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred Stock, liquidation preference Preferred Stock, Liquidation Preference, Value Residential Portfolio Segment Residential Portfolio Segment [Member] Income Statement [Abstract] Income Statement [Abstract] Stockholders’ Equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Elimination Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Net gains (losses) on derivatives Realized and Unrealized Gain (Loss) On Derivative Instruments Realized and Unrealized Gain (Loss) On Derivative Instruments Subsequent Events Subsequent Events [Text Block] Capital commitment Equity Method Investments, Capital Commitment Equity Method Investments, Capital Commitment Name Forgone Recovery, Individual Name Interest-only Interest-Only-Strip [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average geographic concentration of top four states Weighted average geographic concentration of top five states Underlying Mortgages Weighted Average Geographic Percentage Period End As of the balance sheet date, the percentage of unpaid principal amount of underlying mortgages originated in a specified territory. Entity [Domain] Entity [Domain] Weighted average current credit enhancement Underlying Mortgages Weighted Average Percentage Having Credit Enhancements As of the balance sheet date, the weighted average of underlying mortgages that are additionally secured in whole or in part with credit enhancements provided by third parties. Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Portfolio of mortgage loans owned by servicer Interest In Mortgage Servicing Rights, Portfolio Of Mortgage Loans Owned By Servicer Interest In Mortgage Servicing Rights, Portfolio Of Mortgage Loans Owned By Servicer Agency RMBS - Interest-only Agency Interest Only Residential Mortgage Backed Securities [Member] Agency Interest Only Residential Mortgage Backed Securities [Member] Schedule of Significant Credit Quality Indicators Debt Securities, Available-for-sale, Credit Quality Indicators [Table Text Block] Debt Securities, Available-for-sale, Credit Quality Indicators [Table Text Block] 2 Year U.S. Treasury Future 2 Year U.S. Treasury Future [Member] 2 Year U.S. Treasury Future Derivative, Length Of Maturity [Domain] Derivative, Length Of Maturity [Domain] Derivative, Length Of Maturity [Domain] Loan-to-value (LTV), Actual Underlying Mortgages Amortized Loan To Value, Actual Underlying Mortgages Amortized Loan To Value, Actual Periodic interest on derivatives, net Gain (Loss) on Hedging Activity Total Repurchase Agreements and Swaptions Derivative Asset, Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Derivative Asset, Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction (Decrease) increase in other assets Increase (Decrease) in Other Operating Assets Derivative Asset Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Expense Unrealized Loss Position for 12 Months or More, Number of Positions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Principal or Notional Value Unpaid Principal/ Notional Investment Owned, Balance, Principal Amount  Gross Amounts Offset in the Consolidated Statements of Financial Position Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Measurement Basis [Axis] Measurement Basis [Axis] Derivative weighted average pay rate Derivative, Average Pay Rate Derivative, Average Pay Rate Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Fair Value Inputs, Assets, Quantitative Information [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Less than one year, at fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Gross Amounts of Recognized Assets (Liabilities) Derivative Asset. Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, before Offset Derivative Asset. Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, before Offset Net unrealized gains Financing Receivable, Held-For-Sale, Net Unrealized Gains (Losses) Financing Receivable, Held-For-Sale, Net Unrealized Gains (Losses) Fair Value Assessor [Domain] Fair Value Assessor [Domain] [Domain] for Fair Value Assessor [Axis] Gains (losses) included in net income Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings [Abstract] Unrealized gains (losses) on available-for-sale securities, net AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Summary of Unobservable Inputs Assumptions Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Unrealized gains (losses) on available-for-sale securities, net OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Capital commitment, unfunded amount Equity Method Investments, Capital Commitment, Unfunded Commitment Amount Equity Method Investments, Capital Commitment, Unfunded Commitment Amount Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Gain (loss) on termination of derivatives Gain (Loss) On Termination Of Derivatives Gain (Loss) On Termination Of Derivatives Palisades Group Palisades Group [Member] Palisades Group Liabilities Liabilities, Fair Value Disclosure [Abstract] Credit Quality Indicator [Domain] Credit Quality Indicator [Domain] [Domain] for Credit Quality Indicator [Axis] Total other expenses Other Expenses not Reflected in Net Investment Income Loss Sum of reported expenses for the period that are not included in net investment income (loss). Securities sold under agreements to repurchase, haircut Securities Sold under Agreements to Repurchase, Margin Securities Sold under Agreements to Repurchase, Margin Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Secured financing agreements, at fair value Secured Financing Agreements [Member] Secured Financing Agreements Financial Instruments [Domain] Financial Instruments [Domain] Number of loans Number of Underlying Mortgage Loans Indicates the number of mortgages under each classification. Recoveries of amounts previously written off Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Mortgage Servicing Counterparty, Credit Facility Mortgage Servicing Counterparty, Credit Facility [Member] Mortgage Servicing Counterparty, Credit Facility Derivatives, at fair value, net Net Amounts Offset in the Consolidated Statements of Financial Position Derivative Asset Offsetting [Abstract] Offsetting [Abstract] Underlying Securities Award Underlying Securities Amount Sales, settlements and proceeds from sale of loans held-for-sale Proceeds from Sale and Collection, Loan, Held-for-Sale Fair Value Estimate of Fair Value Measurement [Member] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] 9.250% Senior Notes Due 2029, Including Over-Allotment Option 9.250% Senior Notes Due 2029, Including Over-Allotment Option [Member] 9.250% Senior Notes Due 2029, Including Over-Allotment Option Write-offs charged against the allowance Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Preferred Stock Preferred Stock [Member] Segment Reporting [Table] Segment Reporting [Table] Shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Cumulative Distributions to Stockholders Accumulated Distributions in Excess of Net Income [Member] Derivative, number of instruments held Derivative, Number of Instruments Held UPB Loans held for sale, at fair value, Unpaid Principal/Notional Financing Receivable, Held-For-Sale, Unpaid Principal Balance Financing Receivable, Held-For-Sale, Unpaid Principal Balance Cash Flows From Investing Activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Present Amortized Cost, Fair Value and Unrealized Gain/Losses of Company's MBS Investments Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Beginning balance Level 3 Securitized Debt, Ending balance, Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Unrealized Loss Position for Less than 12 Months, Estimated Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Balance, beginning of period Balance, end of period SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate 2003 and prior 2003 And Prior [Member] 2003 And Prior Current Fiscal Year End Date Current Fiscal Year End Date Investor Investor Occupancy [Member] Investor Occupancy [Member] % of UPB Financing Receivable, Excluding Accrued Interest, Recorded Investment, Past Due, Percent Of Total Amount Outstanding Financing Receivable, Excluding Accrued Interest, Recorded Investment, Past Due, Percent Of Total Amount Outstanding Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Net increase in provision for credit losses Increase in provision for credit losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Net periodic accretion (amortization) SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium Derivatives, at fair value Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Stock repurchased during period (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per share of common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Stock based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Securitized Loans Held For Investment Securitized Loans Held For Investment [Member] Securitized Loans Held For Investment [Member] Significant Inputs Debt Securities, Available-for-Sale, Measurement Input Non-Agency RMBS - Interest-only Non Agency Senior Mortgage Backed Securities Interest Only Available For Sale [Member] Non Agency Senior Mortgage Backed Securities Interest Only Available For Sale [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Preferred stock dividends declared (in dollars per share) Preferred Stock, Dividends Per Share, Declared Measure: Measure [Axis] Derivative contracts matured during period Derivative, Contracts Matured During The Period Derivative, Contracts Matured During The Period Interest income from investment in MSR financing receivables Interest Income, Investment In Mortgage Servicing Rights Interest Income, Investment In Mortgage Servicing Rights Equity Components [Axis] Equity Components [Axis] Agency CMBS - Interest-only Agency CMBS - Interest-only Agency Commercial Mortgage Backed Securities Interest Only Available For Sale [Member] Agency Commercial Mortgage Backed Securities Interest Only Available For Sale [Member] Entity Interactive Data Current Entity Interactive Data Current Greater than one year and less than five years, at amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Gross Amounts Not Offset with Financial Assets (Liabilities) in the Consolidated Statements of Financial Position, Financial Instruments Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Entity Small Business Entity Small Business Comprehensive income (loss) before preferred stock dividends Comprehensive Income (Loss), Net of Tax, Attributable to Parent Loan Repurchase Reserve [Roll Forward] Loan Repurchase Reserve [Roll Forward] Loan Repurchase Reserve FICO, Base Rate Underlying Mortgages Fair Isaacs Corporation Credit Score, Base Rate As of the balance sheet date, the credit score of underlying mortgages based on their FICO ratings. Non-Agency RMBS - Subordinated Non Agency Subordinated Mortgage Backed Securities Available For Sale [Member] Non Agency Subordinated Mortgage Backed Securities Available For Sale [Member] Net interest income Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Interest Rate Cap, 3.05% Strike Rate Interest Rate Cap, 3.05% Strike Rate [Member] Interest Rate Cap, 3.05% Strike Rate Cash Flows From Financing Activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Debt Instrument, Redemption [Line Items] Debt Instrument, Redemption [Line Items] 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] Gains (losses) on extinguishment of debt (Gain) loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Sales contracts Short [Member] Allowance for credit losses Allowance for Credit Loss Beginning allowance for credit losses Ending allowance for credit losses Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Impairment of intangible assets Intangible Asset, Excluding Goodwill, Impairment Loss Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Bonds ACMBS bond Bonds [Member] Changes in operating assets: Increase (Decrease) in Operating Assets [Abstract] Income (loss) before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Pledged Status [Domain] Pledged Status [Domain] Fair value of pledged collateral Securities Sold under Agreements to Repurchase, Fair Value of Collateral Commitments and Contingencies (See Note 18) Commitments and Contingencies Average balance of Secured financing agreements secured by: Short-Term Debt, Average Outstanding Amount Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Interest rate swap, three swaps Interest Rate Swap, Three Swaps [Member] Interest Rate Swap, Three Swaps Executive Category: Executive Category [Axis] Not Subject to Additional Margin Requirements Until Drop in Fair Value of Collateral Not Subject to Additional Margin Requirements Until Drop in Fair Value of Collateral [Member] Not Subject to Additional Margin Requirements Until Drop in Fair Value of Collateral [Member] Counterparty Name [Axis] Counterparty Name [Axis] Other Commitments [Table] Other Commitments [Table] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Pushdown accounting adjustment Loan Repurchase Reserve, Pushdown Accounting Adjustment Loan Repurchase Reserve, Pushdown Accounting Adjustment Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Seasoned Subprime Residential Mortgage Loans Seasoned Subprime Residential Mortgage Loans [Member] Seasoned Subprime Residential Mortgage Loans [Member] Purchased loans settled during period Financing Receivables Purchased, Settled During Period Financing Receivables Purchased, Settled During Period Derivative weighted average receive rate Derivative, Average Receive Rate Derivative, Average Receive Rate Payments on securitized debt borrowings, collateralized by Loans held for investment Repayments of Secured Debt Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Other Commitments [Line Items] Other Commitments [Line Items] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Loan origination income, net Proceeds from Loan Originations Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Issuance of debt Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Net Amount Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Equity-based compensation expense Share-Based Payment Arrangement, Noncash Expense Compensation and benefits Labor and Related Expense Purchase contracts Long [Member] Stockholders' Equity, Total Stockholders' Equity, Total [Member] Repurchase of non retained secured debt Repurchase of Non Retained Secured Debt The cash outflow from the payment of debt issued by consolidated variable interest entities. Net Amounts Offset in the Consolidated Statements of Financial Position Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, after Offset Derivative Asset, Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, after Offset Loans held for sale, at fair value Loans Held For Sale [Member] Loans Held For Sale Basic (in dollars per share) Net income (loss) per average share attributable to common stockholders - Basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] 90 to 119 days Maturity Period Four [Member] Maturity Period Four [Member] Schedule of Various Characteristics of Residential Loan Portfolio Schedule Of Securitized Loans Held For Investment Types And Characteristics Of Underlying Collateral [Table Text Block] Schedule Of Securitized Loans Held For Investment Types And Characteristics Of Underlying Collateral [Table Text Block] Agency CMBS - Project loans Project loans Agency Commercial Mortgage Backed Securities, Project Loans [Member] Agency Commercial Mortgage Backed Securities [Member] Grant date fair value Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Internal Assessment Internal Assessment [Member] Internal Assessment [Member] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Unused warehouse credit facilities Debt Instrument, Unused Borrowing Capacity, Amount Sales to investors and transfers to REO Financing Receivable, Held-For-Sale, Sales To Investors Financing Receivable, Held-For-Sale, Sales To Investors Fair Value Measurement [Domain] Fair Value Measurement [Domain] Debt instrument, floor interest rate Debt Instrument, Floor Interest Rate Debt Instrument, Floor Interest Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Average borrowing rate of Secured financing agreements secured by: Short-Term Debt, Weighted Average Interest Rate, at Point in Time Concentration risk (as a percent) Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Total Premium Available For Sale Unamortized Premium The amount of premium that was originally recognized at the issuance of the debt security that has yet to be amortized. Prepay Rate Measurement Input, Prepayment Rate [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Bankruptcy Bankruptcy [Member] Bankruptcy [Member] Increase (decrease) in accounts payable and other liabilities Increase (Decrease) in Other Operating Liabilities Proceeds from issuance of debt Proceeds from Issuance of Senior Long-Term Debt Plan Name [Axis] Plan Name [Axis] Schedule of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Series D Preferred Stock Series D Preferred Stock Par Value Series D Preferred Stock [Member] Not Subject to Additional Margin Requirements Upon Change in Fair Value of Collateral Pledged Not Subject to Additional Margin Requirements Upon Change in Fair Value of Collateral Pledged [Member] Not Subject to Additional Margin Requirements Upon Change in Fair Value of Collateral Pledged Long Term Debt Long-Term Debt [Text Block] General and administrative expenses General and Administrative Expense Net realized gains (losses) on sales of investments Net realized losses on sales of investments Gain (Loss) on Disposition of Assets for Financial Service Operations Underlying Mortgages, Origination Year [Axis] Underlying Mortgages, Origination Year [Axis] Underlying Mortgages, Origination Year Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Nomura Nomura [Member] Nomura Commercial Mortgage Backed Securities Commercial Mortgage-Backed Securities [Member] Financing Receivable, Held-For-Sale [Roll Forward] Financing Receivable, Held-For-Sale [Roll Forward] Financing Receivable, Held-For-Sale 1 Year Swap 1 Year Swap [Member] 1 Year Swap 2023 and later 2023 And Later [Member] 2023 And Later Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Value of shares that may yet be issued under at the market offerings program Sale Of Stock, Remaining Amount Available To Be Offered Sale Of Stock, Remaining Amount Available To Be Offered Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Borrowing rates (as a percent) Assets Sold under Agreements to Repurchase, Interest Rate Income Taxes Income Tax Disclosure [Text Block] Mark to market changes on LHFS Financing Receivable, Held-For-Sale, Mark To Market Changes Financing Receivable, Held-For-Sale, Mark To Market Changes Derivative Liabilities Derivative Liability, Carrying Value Derivative Liability, Carrying Value Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Realized gains (losses) on derivatives Realized gain (loss) on derivatives Gain (Loss) on Sale of Derivatives Entity Filer Category Entity Filer Category Total, Estimated Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Schedule of Income, OTTI and Expense Amounts Related to Consolidated VIEs Schedule Of Consolidated Variable Interest Entities Effects On Operating Results [Table Text Block] Tabular disclosure of the amounts included in the consolidated statements of operations attributable to variable interest entities in which the company is deemed to be the primary beneficiary. Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Gross Unrealized Loss Included in Accumulated Other Comprehensive Income Available For Sale Securities, Gross Unrealized Losses Recognized In Accumulated Other Comprehensive Income The amount of gross unrealized losses on available for sale securities as of the reporting date recognized in accumulated other comprehensive income. Agency RMBS - Interest-only Agency RMBS Agency Residential Mortgage Backed Securities [Member] Agency Residential Mortgage Backed Securities [Member]  Gross Amounts Offset in the Consolidated Statements of Financial Position Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, Asset Offset Entity Address, Address Line Two Entity Address, Address Line Two Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Interest rate cap Interest Rate Cap [Member] Single family Single Family [Member] Derivatives, at fair value, net Net Amounts Offset in the Consolidated Statements of Financial Position Net Amounts Offset in the Consolidated Statements of Financial Position Derivative Liability Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax (benefit) expense Income Tax Expense (Benefit) Non-Agency RMBS Non-agency RMBS Portfolio Non-Agency RMBS Non Agency Residential Mortgage Backed Securities [Member] Non Agency Residential Mortgage Backed Securities [Member] Consolidation and Statements of Financial Condition Presentation Consolidation, Policy [Policy Text Block] Variable Interest Entities, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Residential Mortgage Backed Securities Collateral Characteristics Residential Mortgage Backed Securities Collateral Characteristics [Table Text Block] Tabular disclosure of certain characteristics of the mortgages underlying the RMBS portfolio, by loan category, including average yield, prepayment collection rate, and portion secured by credit enhancements. AOCI [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Loans 90 or more days delinquent Loans 90 Or More Days Delinquent Residential mortgage loans in the securitized loan portfolio that are 90 or more days past due. Statement [Table] Statement [Table] Length of contract Derivative, Contract Term Gross Amounts of Recognized Assets (Liabilities) Derivative Asset, Subject to Master Netting Arrangement, before Offset Loans held for sale, at fair value, Fair Value Loans held-for-sale, at fair value Loan, Held-for-Sale, Fair Value Disclosure Weighted average maturity (years) Underlying Mortgage Weighted Average Maturity Period The weighted average maturity period of underlying mortgages, which is based on their current face amounts. Weighted Average Amortized Cost Basis (in dollars per share) Investment Weighted Average Amortized Cost Per Security This element represents the weighted average of the amortized costs of the securities (the average amount per security). 2028 Securitized Debt Loans Held For Investment Principal Callable In Year Three Securitized Debt Loans Held for Investment Principal Callable in Year Three Decrease in share price (as a percent) Debt Instrument, Covenant, Change in Share Price, Percent Debt Instrument, Covenant, Change in Share Price, Percent Summary of the Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]