Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Loans held-for-sale Financing Receivable, Held-for-Sale Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Net interest component of interest rate swaps Gain Loss On Realized Interest Rate Swaps Realized gain (loss) included in earnings for net interest payments from interest rate swaps. Debt issued by securitization vehicles Securitized debt of consolidated VIEs Securitized debt of consolidated VIE Securitized debt of consolidated VIE Title of Each Class Title of 12(b) Security Subsequent Event Subsequent Event [Member] Carrying Value Reported Value Measurement [Member] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Debt weighted average interest rate Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Pledged Status [Axis] Pledged Status [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Interest receivable Increase (Decrease) in Interest and Dividends Receivable Segment Reporting [Abstract] Gains / (losses) Mortgage Loans on Real Estate, Gains (Losses) Mortgage Loans on Real Estate, Gains (Losses) State and local taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Material contingencies Loss Contingency Accrual Interest received Proceeds from Interest Received Deferred Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Fair value, beginning of period Fair value, end of period Mortgage servicing rights Servicing Asset at Fair Value, Amount Payments on U.S. Treasury securities Payments On U.S. Treasury Securities Payments On U.S. Treasury Securities Total current income tax expense (benefit) Current Income Tax Expense (Benefit) Consolidated Entities [Axis] Consolidated Entities [Axis] Secured financings and interest rate swaps - collateral held, estimated fair value Collateral Held on Repurchase Agreements After Effect of Interest Rate Swaps Fair Value The fair value as of the balance sheet date of securities pledged as collateral that an institution holds on behalf of repurchase agreements, after giving effect for interest rate swaps. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Remaining capacity of repurchase agreement Securities Sold under Agreements to Repurchase, Commitments Available Securities Sold under Agreements to Repurchase, Commitments Available Leases [Abstract] Leases [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Common stock, par value (USD per share) Par Value (in dollars per share) Common Stock, Par or Stated Value Per Share Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Intangible assets, net Beginning balance January 1, 2026 Ending balance June 30, 2026 Intangible Asset, Excluding Goodwill, after Accumulated Amortization Amortized Cost Mortgage-Backed Securities Estimated Weighted Average Life Amortized Cost [Abstract] Mortgage-Backed Securities Estimated Weighted Average Life Amortized Cost [Abstract] Amortization of premiums and discounts of investments, net Accretion (Amortization) of Discounts and Premiums, Investments Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Later years Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Number of reportable segments Number of Reportable Segments Summarizes Fair Value Information about Derivative Assets Liabilities Schedule of Derivative Instruments [Table Text Block] Entity Address, City or Town Entity Address, City or Town Offsetting Assets and Liabilities Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block] Net Carrying Value Derivative, Fair Value, Net Taxable REIT Subsidiary Taxable REIT Subsidiary [Member] Taxable REIT Subsidiary [Member] Commercial investment portfolio Interest Income Commercial Real Estate Debt And Preferred Equity Interest income commercial real estate debt and preferred equity. Loan-to-value ratio at loan origination Loan To Value Percentage Loan To Value Percentage Agency securities Interest Income Agency Security Loans Interest Income Agency Security Loans Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Sales Servicing Asset at Fair Value, Disposals Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Residential Credit Residential Credit Segment [Member] Residential Credit Segment Fair value Mortgage Loans Fair Value Disclosure, Inclusive of Loans Transferred Or Pledged Mortgage Loans Fair Value Disclosure, Inclusive of Loans Transferred Or Pledged Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Financial Asset, Equal to or Greater than 90 Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Redeemable Preferred Stock Redeemable Preferred Stock [Member] Freddie Mac Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) [Member] Changes in valuation inputs or assumptions Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Financial Instruments Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Margin deposit assets Margin Deposit Assets Fixed-rate pass-through Fixed Rate Pass Through Mortgage Backed Securities Available For Sale [Member] Fixed Rate Pass Through Mortgage Backed Securities Available For Sale [Member] Pledged assets included in cash and cash equivalents Cash Collateral for Borrowed Securities US Treasury Futures, And Options US Treasury Futures, And Options [Member] US Treasury Futures, And Options Interest income Interest Income [Abstract] Interest Income [Abstract] Segment Reporting Segment Reporting [Table Text Block] Assets transferred or pledged to securitization vehicles Asset Transferred or Pledged [Member] Asset Transferred or Pledged U.S. Treasury securities sold, not yet purchased Securities Sold, Not yet Purchased [Member] Operating Lease Liability Schedule of Maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date Less than one year Available for Sale Securities Debt Expected Life of Less Than One Year Fair Value This item represents the fair value of debt securities with an expected life of less than one year of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Preferred stock outstanding (shares) Shares outstanding (in shares) Preferred Stock, Shares Outstanding 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Amounts offset Security Purchased under Agreement to Resell, Subject to Master Netting Arrangement, Liability Offset Investments, All Other Investments [Abstract] Investments, All Other Investments [Abstract] Gross Realized Losses Debt Securities, Available-for-Sale, Realized Loss Consolidation, Eliminations Consolidation, Eliminations [Member] Netted amounts Security Purchased under Agreement to Resell, Subject to Master Netting Arrangement, after Offset Position [Axis] Position [Axis] Residential credit Residential Credit Securities Mortgage Backed Securities [Member] Residential Credit Securities Mortgage Backed Securities [Member] Agency Agency Securities Agency Securities [Member] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Taxes received (paid) Proceeds From (Payments For) Taxes Proceeds From (Payments For) Taxes Federal Income Tax Paid, Federal, after Refund Received Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] OBX 2026-HYB1 OBX 2026-HYB1 [Member] OBX 2026-HYB1 VIE and Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Prime Prime Mortgage Backed Securities Available For Sale [Member] Prime Mortgage Backed Securities Available For Sale [Member] NET INCOME (LOSS) PER COMMON SHARE Earnings Per Share [Text Block] Net income (loss) per share available (related) to common stockholders Earnings Per Share [Abstract] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Debt issued by securitization vehicles Securitized Debt Of Consolidated VIEs [Member] Securitized Debt Of Consolidated VIEs [Member] Total liabilities Liabilities Liabilities Trading Symbol Trading Symbol Discount rate Measurement Input, Discount Rate [Member] Securities (includes pledged assets of $83,286,913 and $82,809,634, respectively) Pledged assets in securities Beginning balance January 1, 2026 Ending balance June 30, 2026 Estimated Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Payments on purchases of securities Payments to Acquire Debt Securities, Available-for-Sale Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] OBX 2026-HE1 OBX 2026-HE1 [Member] OBX 2026-HE1 Securitized debt of consolidated VIE, unrealized gain (loss) Securitized Debt Of Consolidated VIE, Unrealized Gain (Loss) Securitized Debt Of Consolidated VIE, Unrealized Gain (Loss) Multifamily interest-only security Multifamily Interest-Only Security [Member] Multifamily Interest-Only Security OBX 2026-NQM9 OBX 2026-NQM9 [Member] OBX 2026-NQM9 Distributions paid per common share after period end (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Series J Preferred Stock Series J Series J Preferred Stock [Member] Series J Preferred Stock Net operating loss carryforwards Operating Loss Carryforwards OBX 2026-INV3 OBX 2026-INV3 [Member] OBX 2026-INV3 Dividends payable Dividends declared, not yet paid Dividends Payable Realized gains (losses) on termination of interest rate swaps Gain Loss On Termination Of Interest Rate Swaps Gain or loss on the termination of interest rate swap agreements recognized during the period. Other derivatives Other Derivative Financial Instruments Liabilities Fair Value Disclosure This element represents the fair value of derivative liabilities categorized as other as of the balance sheet date. Other general and administrative expenses Other General and Administrative Expense Operating cash flows from operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Summary of Comprehensive Income (Loss) Comprehensive Income (Loss) [Table Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Geographic Concentrations Based on Unpaid Principal Balances Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Total provision Effective Income Tax Rate Reconciliation, Percent Net gains (losses) on disposal of investments Gain (Loss) on Sale of Investments Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Add: Effect of stock awards, if dilutive (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Stock-based award activity Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Face Value at Closing Residential mortgage loan, face value Loan, Securitized or Asset-Backed Financing Arrangement, Principal Outstanding Residential Credit Securities Residential Mortgage-Backed Securities [Member] Dividends received Proceeds from Dividends Received Proceeds from U.S. Treasury securities Proceeds From U.S. Treasury Securities Proceeds From U.S. Treasury Securities sold, not yet purchased Preferred stock, par value (USD per share) Preferred Stock, Par or Stated Value Per Share Notional amount, percentage Derivative, Nonmonetary Notional Amount, Percentage Derivative, Nonmonetary Notional Amount, Percentage 6.50% Series G Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock 6.50% Series G Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] 6.50% Series G Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Interest rate swaptions Net interest rate swaptions Interest Rate Swaption [Member] Non-agency mortgage-backed securities Non-Agency Mortgage-Backed Securities [Member] Non-Agency Mortgage-Backed Securities [Member] Interest paid (excluding interest paid on interest rate swaps) Interest Paid Excluding Interest Paid On Interest Rate Swaps The amount of cash paid on the difference between fixed and variable rate interest rate swap payments during the period. Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Amortization of securitized debt premiums and discounts and deferred financing costs Amortization Of Securitized Debt Premiums And Discounts Net Amortization Of Securitized Debt Premiums And Discounts Net Concentration Risk Type [Domain] Concentration Risk Type [Domain] Offsetting Assets [Table] Offsetting Assets [Table] Option to extend (in years) Lessee, Operating Lease, Renewal Term Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] SECURITIES Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Distributions paid to common stockholders after period end Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Comprehensive income (loss) attributable to common stockholders Comprehensive Income Loss Attributable To Common Stock Holders Comprehensive income (loss) attributable to common stockholders. State and local Current State and Local Tax Expense (Benefit) Supplemental Information Regarding Leases Lessee, Operating Leases, Supplemental Information [Table Text Block] Lessee, Operating Leases, Supplemental Information [Table Text Block] Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Interests in MSR Interests In Mortgage Servicing Rights [Member] Interests In Mortgage Servicing Rights Total equity Beginning of period End of period Equity, Including Portion Attributable to Noncontrolling Interest Residential mortgage loans Interest Income Residential Mortgage Loans Interest income residential mortgage loans. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Net proceeds from stock offerings, direct purchases and dividend reinvestments Proceeds from Issuance of Common Stock OBX 2026-J1 OBX 2026-J1 [Member] OBX 2026-J1 Remaining lease term (in years) Lessee, Operating Lease, Remaining Lease Term Prime jumbo interest-only Prime Jumbo Greater Than Or Equal To Two Thousand Ten Vintage interest only Mortgage Backed Securities Available For Sale [Member] Prime jumbo greater than or equal to two thousand ten vintage interest only mortgage backed securities available for sale. Principal paydowns Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Assets Derivative assets Derivative Asset [Abstract] Segments [Domain] Segments [Domain] Interest rate swaps, at fair value Interest rate swaps Interest Rate Swap [Member] Adjustable-rate pass-through Adjustable Rate Pass Through Mortgage Backed Securities Available For Sale [Member] Adjustable Rate Pass Through Mortgage Backed Securities Available For Sale [Member] SECURED FINANCING Debt Disclosure [Text Block] Greater than five years through ten years Available for Sale Securities Debt Expected Life Greater Than Five and Less Than Ten Years Fair Value This item represents the fair value of debt securities with an expected life of greater than five years and less than ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount SBC SBC Mortgage Backed Securities Available For Sale [Member] SBC Mortgage Backed Securities Available For Sale Dividends and dividend equivalents declared on common stock and stock-based awards Dividends and dividend equivalents declared on common stock and share-based awards Dividends, Common Stock, Cash Total stockholders’ equity Equity, Attributable to Parent Secured financings and interest rate swaps - collateral held, accrued interest Repurchase Agreements Accrued Interest The accrued interest as of the balance sheet date of securities pledged as collateral that an institution holds on behalf of repurchase agreements. MSR Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Offsetting Assets [Line Items] Offsetting Assets [Line Items] Assets Assets [Abstract] Payments on repurchase agreements and other secured financing Principal payments on repurchase agreements The amount of principal payments on repurchase agreements. Net (gains) losses on investments and derivatives Gain (Loss) On Investments, Debt and Derivatives Gain (Loss) On Investments, Debt and Derivatives Insider Trading Policies and Procedures [Line Items] Reverse repurchase agreements Securities Purchased Under Agreements To Resell, Fair Value Disclosure Securities Purchased Under Agreements To Resell, Fair Value Disclosure Gross amounts Security Purchased under Agreement to Resell, Subject to Master Netting Arrangement, before Offset Total deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) OBX 2026-INV2 OBX 2026-INV2 [Member] OBX 2026-INV2 Estimated Fair Value Mortgage-Backed Securities Estimated Weighted Average Life Fair Value [Abstract] Mortgage-Backed Securities Estimated Weighted Average Life Fair Value [Abstract] MSR measurement inputs Servicing Asset, Measurement Input Number of operating segments Number of Operating Segments Options to purchase common stock (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Risk Management [Abstract] Risk Management [Abstract] Risk Management [Abstract] Participations issued Interest Expense Participation Sold Interest expense incurred during the reporting period on participation sold. Entity Central Index Key Entity Central Index Key Proceeds from reverse repurchase agreements Proceeds from Securities Purchased under Agreements to Resell Equity [Abstract] Equity [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] Statutory federal income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Dividends declared on preferred stock Preferred dividends declared Dividends, Preferred Stock, Cash Preferred stock dividend rate, percentage Contractual Rate Preferred Stock, Dividend Rate, Percentage Series G Preferred Stock Series G Series G Preferred Stock [Member] Greater than five years through ten years Available for Sale Securities Debt Expected Life Greater Than Five and Less Than Ten Years Amortized Cost This item represents debt securities, at cost, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any, with an expected life of greater than five years and less than ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] 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] Variable Rate [Domain] Variable Rate [Domain] Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] U.S. swap futures - 10 year and greater U.S. Swap Futures, Ten Year And Greater [Member] U.S. Swap Futures, Ten Year And Greater Total residential securities Residential Investments [Member] Residential Investments [Member] All Individuals All Individuals [Member] Non-Agency Mortgage-Backed Securities Non-Agency mortgage-backed securities Mortgage-Backed Securities, Issued by Private Enterprises [Member] Dividends paid Payments of Dividends Contingencies Commitments and Contingencies, Policy [Policy Text Block] INTANGIBLE ASSETS Intangible Asset [Text Block] Sales Proceeds from Sale of Debt Securities, Available-for-sale, Excluding Variable Interest Entity Proceeds from Sale of Debt Securities, Available-for-sale, Excluding Variable Interest Entity Statement [Line Items] Statement [Line Items] Total assets Assets Assets Agency mortgage-backed securities, recognized through earnings Agency Mortgage Backed Securities, Recognized Through Earnings [Member] Agency Mortgage Backed Securities, Recognized Through Earnings [Member] Interest expense Interest Expense, Operating VIE, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Repurchase Agreements: Assets Sold under Agreements to Repurchase [Line Items] Operating Segments Operating Segments [Member] Schedule of Assets Sold under Agreements to Repurchase [Table] Asset Sold under Agreement to Repurchase [Table] Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax PEO PEO [Member] Credit risk transfer Credit Risk Transfer Mortgage Backed Securities Available For Sale [Member] Credit Risk Transfer Mortgage Backed Securities Available For Sale [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Number of securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Greater than ten years Available for Sale Securities Debt Expected Life After Ten Years Amortized Cost This item represents debt securities, at cost, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any, with an expected life of greater than ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Accumulated deficit Retained Earnings [Member] Principal payments SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal Fair Value Measurements and the Fair Value Option Fair Value Measurement, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock outstanding (shares) Shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Estimated Fair Value for All Financial Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted (in dollars per share) Earnings Per Share, Diluted Repurchase Agreements Disclosure of Repurchase Agreements [Abstract] Fair value of collateral received for reverse repurchase agreements Securities Purchased under Agreements to Resell, Fair Value of Collateral Other assets Increase (Decrease) in Prepaid Expense and Other Assets Net unrealized gains (losses) on instruments measured at fair value through earnings Unrealized Gain (Loss) on Investments Less: amortization expense Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Intangible assets acquired Intangible Asset, Finite-Lived, Acquired OBX 2026-NQM1 OBX 2026-NQM1 [Member] OBX 2026-NQM1 Repurchase agreements, weighted average remaining maturities Repurchase Agreement, Weighted-Average Maturity Period Mortgage-backed securities Total Estimated Fair Value Non-Agency mortgage-backed securities Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Fair Value Payable for unsettled trades Payable For Investment Securities Purchased The amount payable for Agency Mortgage-Backed Securities, Agency debentures and corporate debt. Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Interest payable Increase (Decrease) in Interest Payable, Net Repurchase agreements, remaining maturities, percentage Repurchase Agreements, Maturity Greater Than One Year, Percentage Repurchase Agreements, Maturity Greater Than One Year, Percentage Debt Securities, Available-For-Sale [Line Items] Debt Securities, Available-For-Sale [Line Items] [Line Items] for Debt Securities, Available-For-Sale [Table] Net Amounts Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction State and local taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Sale of Stock [Axis] Sale of Stock [Axis] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Amount of Gain/(Loss) Recognized in Net Gains (Losses) on Other Derivatives Derivative, Gain (Loss) on Derivative, Net OBX 2026-CES1 OBX 2026-CES1 [Member] OBX 2026-CES1 Summary of Dividend Distribution Activity Dividends Declared [Table Text Block] OBX 2026-NQM6 OBX 2026-NQM6 [Member] OBX 2026-NQM6 Repurchase agreements Netted amounts Net amounts of Repurchase agreements as presented in the Consolidated Statements of Financial Condition Netted amounts Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, after Offset Proceeds from participations issued Proceeds from Participating Mortgage Loans Proceeds from Participating Mortgage Loans Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Mortgage loans in foreclosure Mortgage Loans In Foreclosure, Amount Mortgage Loans In Foreclosure, Amount Non-Agency Mortgage-Backed Securities Non Agency MBS [Member] Non Agency MBS [Member] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Common stock issued (shares) Shares issued (in shares) Common Stock, Shares, Issued DESCRIPTION OF BUSINESS Business Description and Basis of Presentation [Text Block] Reverse Repurchase Agreements Secured Debt, Repurchase and Reverse Repurchase Agreements and Dollar Rolls [Abstract] 12 Months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Class of Stock [Line Items] Class of Stock [Line Items] California CALIFORNIA Net gains (losses) on derivatives Derivative, Gain (Loss) on Derivative, Net, Including US Treasuries Derivative, Gain (Loss) on Derivative, Net, Including US Treasuries Fair Value and Unpaid Principal of Residential Mortgage Loan Portfolio Schedule Of Fair Value And Unpaid Principal Balances Of Mortgage Loans [Table Text Block] Tabular disclosure of fair value and unpaid principal balances of mortgage loans. Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Payments on reverse repurchase agreements Payments for Securities Purchased under Agreements to Resell Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Statutory federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Net Amounts Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Fair Value as of Grant Date Award Grant Date Fair Value OBX 2026-NQM8 OBX 2026-NQM8 [Member] OBX 2026-NQM8 Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration (Amortization) / accretion SEC Schedule, 12-29, Real Estate Companies, Investment In Mortgage Loans On Real Estate, Amortization (Accretion) Of Premium SEC Schedule, 12-29, Real Estate Companies, Investment In Mortgage Loans On Real Estate, Amortization (Accretion) Of Premium Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Implied Market Value To Be Announced Securities Fair Market Value TBA Securities fair market value. Less than 12 months 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] Non-taxable REIT income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Debt Securities, Available-For-Sale [Roll Forward] Debt Securities, Available-For-Sale [Roll Forward] Debt Securities, Available-For-Sale [Roll Forward] Income (loss) from unconsolidated joint ventures Income (Loss) from Equity Method Investments Other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Payments on purchases of loans held for sale Payments For Purchase Of Loans, Operating Activities Payments For Purchase Of Loans, Operating Activities Less than one year Available for Sale Securities Debt Expected Life of Less Than One Year Amortized Cost This item represents debt securities, at cost, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any, with an expected life of less than one year of the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount OBX 2026-HE2 OBX 2026-HE2 [Member] OBX 2026-HE2 CMO Collateralized Mortgage Obligations [Member] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Schedule of Fair Values, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] All Award Types Award Type [Domain] 2026 (remaining) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 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] Shares repurchased (in shares) Treasury Stock, Shares, Acquired 0 - 3 years Maturity Period One [Member] Maturity Period One [Member] Geographical [Axis] Geographical [Axis] Reverse repurchase agreements Reverse Repurchase Agreements Reverse Repurchase Agreements U.S. Treasury futures - 10 year and greater U.S. Treasury Futures, Ten Year And Greater [Member] U.S. Treasury Futures, Ten Year And Greater Other assets Other Assets Legal Entity [Axis] Legal Entity [Axis] Payments on purchases of MSR Payments to Acquire Mortgage Servicing Rights (MSR) Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Net servicing income Noninterest Income [Abstract] Equity Method Investments Equity Method Investments [Policy Text Block] Cash and cash equivalents (includes pledged assets of $2,546,553 and $1,683,059, respectively) Cash and cash equivalents including cash pledged as collateral, beginning of period Cash and cash equivalents including cash pledged as collateral, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Non-NEOs Non-NEOs [Member] 1 day Maturity Overnight [Member] Summary of Interest Income Recognition Methodology for Residential Investment Securities Summary of Interest Income Recognition Methodology for Residential Investment Securities [Table Text Block] Tabular disclosure of interest income recognition methodology for residential investment securities. LEASE COMMITMENTS AND CONTINGENCIES Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Total assets Financial Assets, Fair Value Disclosure Financial assets, fair value disclosure. 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Risks include credit risk, interest rate risk, repurchase risk and other related items. 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] Schedule of Characteristics of Financial Instruments Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] FICO score at loan origination Fico Score FICO score. 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Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] LOANS Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Net income (loss) available (related) to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Residential Investment securities sold, carrying value Mortgage Backed Securities Sold Carrying Value Carrying value of mortgage backed securities sold during period. Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Presentation of Activity Related to MSR Schedule of Servicing Assets at Fair Value [Table Text Block] Other changes, including realization of expected cash flows Servicing Asset at Fair Value, Other Changes that Affect Balance Loans, net (includes pledged assets of $6,885,511 and $4,590,517, respectively) Pledged assets in loans, net Beginning balance January 1, 2026 Ending balance June 30, 2026 Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Noncontrolling interests Noncontrolling Interest [Member] OBX 2026-NQM10 OBX 2026-NQM10 [Member] OBX 2026-NQM10 Total securities Available-For-Sale Securities1 [Member] Available-For-Sale Securities1 Interest rate swaps Interest Rate Derivative Assets, at Fair Value Futures contracts Futures contracts, at fair value Future [Member] U.S. Treasury futures - 5 year U.S. Treasury Futures, Five Year [Member] U.S. Treasury Futures, Five Year Futures Us Treasury Futures [Member] Us Treasury Futures [Member] Net change in Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Repurchase agreements Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure Net cash provided by (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] Unrecognized tax benefits Unrecognized Tax Benefits Schedule of Derivative Instruments in Statement of Operations and Comprehensive Income Loss Schedule of Derivative Instruments in Statement of Operations and Comprehensive Income [Table Text Block] Schedule of derivative instruments in statement of operations and comprehensive income. 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Other liabilities Accounts Payable and Other Accrued Liabilities Net deferred tax liability Deferred Tax Liabilities, Net Current Tax Expense (Benefit) Current Income Tax Expense (Benefit), Continuing Operations [Abstract] 12 Months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Principal / Notional Investment Owned, Balance, Principal Amount Other income (loss) Nonoperating Gains (Losses) [Abstract] Measurement Basis [Axis] Measurement Basis [Axis] Assembled workforce Employment Contracts [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Reverse repurchase agreements Reverse Repurchase Agreement [Member] Reverse Repurchase Agreement Series I Preferred Stock Series I Series I Preferred Stock [Member] Series I Preferred Stock [Member] Over 119 days Maturity Over 119 Days [Member] Period of maturity for a group of securities or other assets sold under repurchase agreements which mature over 119 days from the reporting date. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Information about Significant Unobservable Inputs Used for Recurring Fair Value Measurements for Level 3 MSRs Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Unrealized gains (losses) on available-for-sale securities OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Interest Income Revenue Recognition, Interest [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status 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 Servicing and related income Fees and Commissions, Mortgage Banking and Servicing Liabilities Liabilities, Fair Value Disclosure [Abstract] Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] VIE and Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Purchases Payments to Acquire Debt Securities, Available-for-sale, Excluding Variable Interest Entity Payments to Acquire Debt Securities, Available-for-sale, Excluding Variable Interest Entity State and local Income Tax Paid, State and Local, after Refund Received Financial Instruments [Domain] Financial Instruments [Domain] Weighted Average Pay Rate Interest Rate Swaps Weighted Average Pay Rate Weighted average pay rate for interest rate swaps. Derivative assets Total derivative assets Gross Amounts Interest rate swaps Derivative Asset SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Table] SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Table] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Underlying Securities Award Underlying Securities Amount Comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Issuance Stock Issued During Period, Value, New Issues Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] OBX 2026-INV1 OBX 2026-INV1 [Member] OBX 2026-INV1 Mortgage Servicing Rights Committed Credit Facility Mortgage Servicing Rights Committed Credit Facility [Member] Mortgage Servicing Rights Committed Credit Facility FINANCIAL INSTRUMENTS Financial Instruments Disclosure [Text Block] Preferred stock Preferred Stock [Member] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Sales and transfers SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Sales And Transfers SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Sales And Transfers Net contributions (distributions) from (to) noncontrolling interests Proceeds from (Payments to) Noncontrolling Interests 2-year swap equivalent SOFR contracts Secured Overnight Financing Rate Futures [Member] Secured Overnight Financing Rate Futures Segment Reporting [Table] Segment Reporting [Table] Net servicing income Net Servicing Income Net servicing income less servicing expense Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Available-for-sale Securities Reconciliation Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] All Trading Arrangements All Trading Arrangements [Member] Less than 12 months 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] Current Fiscal Year End Date Current Fiscal Year End Date Operating loss carryforwards, not subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Weighted Average Underlying Fixed Rate Interest Rate Swaptions Weighted Average Underlying Pay Rate Interest rate swaptions weighted average underlying pay rate. 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] Distributions declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Mortgage-Backed Securities Portfolio [Table] Mortgage-Backed Securities Portfolio [Table] Mortgage-Backed Securities Portfolio [Table] Equity contributions from (distributions to) noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Preferred series dividends declared (in dollars per share) Preferred Stock, Dividends Per Share, Declared Measure: Measure [Axis] Fair Value of OBX Trusts Schedule of Variable Interest Entities [Table Text Block] Equity Components [Axis] Equity Components [Axis] Greater than one year through five years Available for Sale Securities Debt Expected Life Greater Than One and Less Than Five Years Fair Value This item represents the fair value of debt securities with an expected life of greater than one year and less than five years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Taxes received (paid) Income Tax Paid, after Refund Received Non-QM Non-Qualified Mortgage Backed Securities Available For Sale [Member] Non-Qualified Mortgage Backed Securities Available For Sale Valuation allowance Deferred Tax Assets, Valuation Allowance Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Net income (loss) attributable to noncontrolling interests Net income (loss) attributable to noncontrolling interests Less: Net income (loss) attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Reclassification adjustment for net (gains) losses included in net income (loss) Reclassification adjustment for net (gains) losses included in net income (loss) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Entity Small Business Entity Small Business Comprehensive income (loss) attributable to Annaly Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net interest income Interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] TRS Permanent Differences Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type 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] Debt instrument, maturity Debt Instrument, Maturity Debt Instrument, Maturity Notional - Short Positions Sale contracts Short [Member] SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Income Taxes: Income Taxes [Line Items] Income Taxes [Line Items] Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Pledged Status [Domain] Pledged Status [Domain] Fair value of securities sold Securities Sold under Agreements to Repurchase, Fair Value of Collateral Interests in MSR Interest In Mortgage Servicing Rights, At Fair Value, Amount Interest In Mortgage Servicing Rights, At Fair Value, Amount Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Greater than one year through five years Available for Sale Securities Debt Expected Life Greater Than One and Less Than Five Years Amortized Cost This item represents debt securities, at cost, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any, with an expected life of greater than one year and less than five years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Intangible Assets, net Intangible Asset, Finite-Lived [Roll Forward] Credit risk transfer securities Financial Instruments, Owned, Other, at Fair Value Executive Category: Executive Category [Axis] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] 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] 30 to 59 days Maturity 30 to 59 Days [Member] Period of maturity for a group of securities or other assets sold under repurchase agreements which mature between 30 to 59 days from the reporting date. Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Agency mortgage-backed securities Debt Security, Mortgage-Backed, Available-for-Sale, Fair Value Disclosure Forward starting pay fixed swaps Forward Starting Pay Fixed Swaps [Member] Forward Starting Pay Fixed Swaps [Member] Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Principal payments on securitized debt 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 Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Net interest received (paid) on interest rate swaps Interest Paid Net Interest Rate Derivative The amount of cash paid on the difference between fixed and variable rate interest rate swap payments during the period. Greater than ten years Available for Sale Securities Debt Expected Life After Ten Years Fair Value This item represents the fair value of debt securities with an expected life of greater than ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities. Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code NPL/RPL NPL RPL Mortgage Backed Securities Available For Sale [Member] NPL RPL Mortgage Backed Securities Available For Sale [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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] Comprehensive income (loss) Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Interest expense Interest Expense, Operating and Nonoperating [Abstract] Compensation expense Labor and Related Expense Residential Mortgage Loans Mortgage Loans Held For Portfolio [Table Text Block] Tabular disclosure of mortgage loans held for portfolio. Notional - Long Positions Purchase contracts Long [Member] Interest-only Interest Only Mortgage Backed Securities Available For Sale [Member] Interest Only Mortgage Backed Securities Available For Sale [Member] Principal payments on loans Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] Distributions in excess of cumulative earnings from unconsolidated joint ventures Proceeds From Unconsolidated Joint Venture Excess Of Cumulative Earnings Proceeds from unconsolidated joint venture excess of cumulative earnings. Principal and interest receivable Financing And Accrued Investment Income Receivable Financing And Accrued Investment Income Receivable Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Payment of deferred financing cost Payments of Financing Costs Interest Rate Swaption, Receive Interest Rate Swaption, Receive [Member] Interest Rate Swaption, Receive [Member] Exercise of optional redemption provisions of securitization vehicles, carrying value Noncash or Part Noncash, Financial Instruments, Owned and Pledged as Collateral, Exercise Of Provisions, Amount Noncash or Part Noncash, Financial Instruments, Owned and Pledged as Collateral, Exercise Of Provisions, Amount 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] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] Interest rate Investment Interest Rate, Percentage Investment Interest Rate, Percentage Fair Value Measurement [Domain] Fair Value Measurement [Domain] Offsetting of Derivative Assets and Liabilities Derivative Assets and Liabilities Offsetting [Table Text Block] Tabular disclosure of derivative assets and liabilities that are subject to offsetting, including master netting arrangements. 8.875% Series J Fixed-Rate Cumulative Redeemable Preferred Stock 8.875% Series J Cumulative Redeemable Preferred Stock [Member] 8.875% Series J Cumulative Redeemable Preferred Stock OBX 2026-AHC2 OBX 2026-AHC2 [Member] OBX 2026-AHC2 Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Number of closed securitizations Number Of Closed Securitizations Number Of Closed Securitizations Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Geographic Concentrations of Residential Mortgage Loans Concentration Risk, Percentage Depreciation, amortization and other noncash expenses Depreciation, Depletion And Amortization, Excluding Amortization Of Debt Premiums And Discounts, Deferred Financing Costs, And Discounts Of Investments Depreciation, Depletion And Amortization, Excluding Amortization Of Debt Premiums And Discounts, Deferred Financing Costs, And Discounts Of Investments Equity Awards Adjustments Equity Awards Adjustments [Member] Net deferred tax asset Deferred Tax Assets, Net Prepayment 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] Residential credit securities Interest Income Securities Mortgage Backed And Agency Debentures Represents interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from securities backed by a pool of mortgages or trust deeds as well as agency debentures. Underlying Asset Class [Domain] Underlying Asset Class [Domain] Other, net Other Nonoperating Income (Expense) Non-taxable REIT income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Other secured financing Other Debt Obligations [Member] Total stockholder’s equity Parent [Member] Weighted Average Receive Rate Interest Rate Swaps Weighted Average Receive Rate Weighted average receive rate for interest rate swaps. Total general and administrative expenses Costs incurred in connection with securitization Less: Total general and administrative expenses General and Administrative Expense Net income (loss) per share available (related) to common share Earnings Per Share, Basic and Diluted1 [Abstract] Earnings Per Share, Basic and Diluted1 Schedule of Realized Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Preferred stock authorized (shares) Shares authorized (in shares) Preferred Stock, Shares Authorized Multifamily Multifamily Mortgage Backed Securities Available For Sale [Member] Multifamily Mortgage Backed Securities Available For Sale [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Delinquency rate Measurement Input, Delinquency Rate [Member] Measurement Input, Delinquency Rate [Member] At-the-market Sale Program At-the-market Sale Program [Member] At-the-market Sale Program [Member] Commercial Securities Commercial mortgage-backed securities Commercial Mortgage-Backed Securities Commercial Mortgage-Backed Securities [Member] Two Securitization Trusts Two Securitization Trusts [Member] Two Securitization Trusts Share Repurchase Program [Axis] Share Repurchase Program [Axis] Class of Stock [Domain] Class of Stock [Domain] Realized Gain (Loss) Realized Gain (Loss) on Derivatives Realized gain (loss) on derivatives. Fair value Residential mortgage loans Mortgage Loans Fair Value Disclosure Mortgage loans fair value disclosure. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Schedule of Stock by Class Schedule of Stock by Class [Table Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount RTL RTL Mortgage Backed Securities Available For Sale [Member] RTL Mortgage Backed Securities Available For Sale Agency mortgage-backed securities, recognized through comprehensive income Agency Mortgage Backed Securities, Recognized Through Comprehensive Income [Member] Agency Mortgage Backed Securities, Recognized Through Comprehensive Income [Member] INCOME TAXES Income Tax Disclosure [Text Block] Series F, G, And I Preferred Stock Series F, G, And I Preferred Stock [Member] Series F, G, And I Preferred Stock Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Unrealized Loss Position For: Mortgage-Backed Securities in a continuous unrealized loss position [Line Items] Mortgage-Backed Securities in a continuous unrealized loss position [Line Items] Entity Filer Category Entity Filer Category Estimated fair value Debt Securities, Available-for-Sale, Unrealized Loss Position Types of Agency Mortgage Backed Securities Schedule of Mortgage Backed Securities Agency Concentration [Table Text Block] Tabular disclosure of mortgage baked securities agency concentration. Other derivatives Other Derivative Financial Instruments Assets Fair Value Disclosure Other derivative instrument obligations meeting the definition of an asset which the Company is a party to as of the balance sheet date. BASIS OF PRESENTATION Basis of Accounting [Text Block] Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Purchase commitments Loan Purchase Commitments [Member] Amounts offset Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, Asset Offset Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Remaining Premium Debt Securities, Available-for-sale, Remaining Premium Debt Securities, Available-for-sale, Remaining Premium Schedule of Repurchase Agreements Remaining Maturity ,Collateral Types and Weighted Average Rates Schedule of Repurchase Agreements Remaining Maturity [Table Text Block] Schedule of the remaining maturity of repurchase agreements as of the balance sheet date. Derivative liabilities Total derivative liabilities Gross Amounts Derivative Liability Entity Address, Address Line One Entity Address, Address Line One Income taxes Total provision Total income tax expense (benefit) Income taxes Income Tax Expense (Benefit) 6.75% Series I Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock 6.75% Series I Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] 6.75% Series I Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock [Member] Principles of Consolidation Consolidation, Policy [Policy Text Block] Consolidated VIEs Variable Interest Entity, Primary Beneficiary [Member] All other (none individually greater than 5%) Other Location [Member] Other Location [Member] Proceeds from repurchase agreements and other secured financing Proceeds from repurchase agreements The amount of proceeds from repurchase agreements. Number of investment groups Number Of Investment Groups Number Of Investment Groups Statement [Table] Statement [Table] OBX 2026-ACH1 OBX 2026-ACH1 [Member] OBX 2026-ACH1 Interest rate swaps Interest rate swaps Interest Rate Derivative Liabilities, at Fair Value Repurchase agreements Interest Paid On Repurchase Agreements Interest expense related to securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period. Maturity period Derivative, Contract Term Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Federal funds index swap Fed Funds Effective Rate Overnight Index Swap Rate [Member] Other derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset TBA derivatives TBA derivatives, at fair value Net TBA derivatives TBA Contracts [Member] TBA Contracts [Member] Federal Current Federal Tax Expense (Benefit) Residential mortgage loan, securitized amount Transfer of residential loans to securitization vehicles, carrying value Noncash or Part Noncash, Financial Instruments, Owned and Pledged as Collateral Noncash or Part Noncash, Financial Instruments, Owned and Pledged as Collateral Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] UNITED STATES Other Liabilities