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Transactions [Table Text Block] Fixed Rate Fixed Rate [Member] Fixed Rate Schedule of Financial Instruments Not Carried at Fair Value Fair Value, by Balance Sheet Grouping [Table Text Block] Goodwill [Line Items] Goodwill [Line Items] Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions and Arrangements Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Repayments of repurchase agreements and revolving credit facilities - commercial mortgage loans Payments From Securities Purchased Under Agreements To Resell, Loans Receivable Payments From Securities Purchased Under Agreements To Resell, Loans Receivable Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Realized gain/(loss) on sale of commercial mortgage loans, held for sale, measured at fair value Gain (Loss) On Sale Of Mortgage Loans, Fair Value Disclosure Gain (Loss) On Sale Of Mortgage Loans, Fair Value Disclosure Discount rate (percentage) Fair Value Inputs, Discount Rate Fair Value Inputs, Discount Rate Diluted Numerator [Abstract] Diluted Numerator [Abstract] Diluted Numerator Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Adjustment to Compensation, Amount Adjustment to Compensation Amount Percentage % of Portfolio Concentration Risk, Percentage Principles of Consolidation Consolidation, Policy [Policy Text Block] 2030 and beyond Lessor, Operating Lease, Payment to be Received, After Year Four Lessor, Operating Lease, Payment to be Received, After Year Four Share-based compensation Share-Based Payment Arrangement, Noncash Expense Unsecured Debt Unsecured Junior Debt [Member] Unsecured Junior Debt Employee Stock Option Share-Based Payment Arrangement, Option [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash payments for income taxes Income Taxes Paid Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] New York NEW YORK Commercial mortgage loans, held for sale Loan, Mortgage, Held-for-Sale Loan, Mortgage, Held-for-Sale Common stock, shares authorized (in shares) Common Stock, Shares Authorized Issuance of stock (in shares) Stock Issued During Period, Shares, New Issues Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Origination and purchase of commercial mortgage loans, held for sale Origination And Purchase Of 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Pledged assets Principal Balance of Collateralized Mortgage Assets Debt Instrument, Collateral Amount Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] 4 Investment Rating 4 [Member] Investment Rating 4 [Member] Gross unrealized loss on CLO bonds Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax 2022-FL8 Issuer Collateralized Loan Obligations Issued in 2022-FL8 [Member] Collateralized Loan Obligations Issued in 2022-FL8 Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] MSR amortization Amortization of Mortgage Servicing Rights (MSRs) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Number of properties acquired through foreclosure Property Subject to or Available for Operating Lease, Number of Units, Acquired Through Foreclosures, Period Increase (Decrease) Property Subject to or Available for Operating Lease, Number of Units, Acquired Through Foreclosures, Period Increase (Decrease) Remaining lease term Lessee, Operating Lease, Remaining Lease Term Liability for loans eligible for repurchase Loan Repurchase Option, Liabilities Loan Repurchase Option, Liabilities Comprehensive (income)/loss attributed to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Distributions to non-controlling interest Payments to Noncontrolling Interests Offsetting Liabilities [Table] Offsetting Liabilities [Table] Texas TEXAS Document Fiscal Period Focus Document Fiscal Period Focus WF Repo Facility WF Repo Facility [Member] WF Repo Facility [Member] Award Timing Method Award Timing Method [Text Block] Non-performing loan amortized cost at beginning of year, January 1 Non-performing loan amortized cost end of period Financing Receivable, Excluding Accrued Interest, Nonaccrual Award Type [Axis] Award Type [Axis] Business Combination, Pro Forma Information Business Combination, Pro Forma Information [Table Text Block] Mortgage Banking [Abstract] Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Investment securities, held to maturity Business Combination, Recognized Asset Acquired, Restricted Investment Securities Business Combination, Recognized Asset Acquired, Restricted Investment Securities Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Share-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Receivable for loan repayment Receivables For Loan Repayment Receivables For Loan Repayment Entity Address, City or Town Entity Address, City or Town Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] 2025 Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total Purchase Price Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company Treasury note futures Treasury Note Futures [Member] Treasury Note Futures [Member] Cash paid for purchased interests Payment Of Cash For Purchased Interests Payment Of Cash For Purchased Interests 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] Unfunded Unfunded Loan Commitment [Member] Gain/(loss) on derivatives Derivative, Gain (Loss) on Derivative, Net Restricted cash Restricted cash, beginning of period Restricted cash, end of period Restricted Cash and Cash Equivalent Indefinite-lived intangible, carrying value Indefinite-Lived Intangible Assets (Excluding Goodwill) Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding 2025 (October - December) Lessor, Operating Lease, Payment to be Received, Remainder of 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return Related Party Transaction Subordinated Participation In Asset Sale Fee Related Party Transaction Subordinated Participation In Asset Sale Fee Weighted Average Spread Debt Instrument, Basis Spread on Variable Rate Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Document Information [Line Items] Document Information [Line Items] Statement of Financial Position Location, Activity, Capitalization [Axis] Statement of Financial Position Location, Activity, Capitalization [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Unsecured debt Unsecured Debt Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Offsetting [Abstract] Offsetting [Abstract] Servicing revenue, net Contractually Specified Servicing Fees, Amount Allowance acquired in acquisition Loss Contingency Accrual Allowance Acquired in Acquisition Loss Contingency Accrual Allowance Acquired in Acquisition Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Goodwill acquired during the period Goodwill, Acquired During Period Total purchase consideration Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest Building and Improvements Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Various Various Locations [Member] Various Geographic Locations Payment of software development costs Payments to Develop Software Acquired MSRs at July 1, 2025 Payments to Acquire Mortgage Servicing Rights (MSR) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Derivative assets Business Combination, Recognized Asset Acquired, Derivative Assets Business Combination, Recognized Asset Acquired, Derivative Assets Revenue, Product and Service Benchmark Revenue, Product and Service Benchmark [Member] Equity method investment, quoted market value Equity Method Investment, Quoted Market Value Net cash (used in)/provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Cost recovery Financing Receivable, Excluding Accrued Interest, Cost Recovery Financing Receivable, Excluding Accrued Interest, Cost Recovery Equity Method Investments and Joint Ventures [Abstract] Proceeds from sale or paydown of real estate securities Proceeds from Sale of Debt Securities, Available-for-Sale Real estate securities, available for sale, measured at fair value, amortized cost of $82,578 and $202,894 as of September 30, 2025 and December 31, 2024, respectively Fair Value Real estate securities, available for sale, measured at fair value Debt Securities, Available-for-Sale, Excluding Accrued Interest Proceeds from sale of real estate owned, held for sale Proceeds from Sale of Other Real Estate Sales/paydowns Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Preferred stock, par value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Equity Method Investment, Nonconsolidated Investee or Group of Investees Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Real Estate [Line Items] Real Estate [Line Items] Type of Reserve [Domain] Type of Reserve [Domain] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Net interest income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] JP Morgan Securities LLC JP Morgan Securities LLC [Member] JP Morgan Securities LLC [Member] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Liabilities Derivative instruments, at fair value, gross amounts recognized Derivative Liability, Subject to Master Netting Arrangement, before Offset 2025 (three months ending 12/31/2025) 2025 (October - December) Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Far West Far West [Member] Far West Equity Components [Axis] Equity Components [Axis] Year four, originated in prior fiscal year three Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Other related party expenses Other Related Party Expenses [Member] Other Related Party Expenses [Member] Fannie Mae Fannie Mae [Member] Fannie Mae Entity Address, State or Province Entity Address, State or Province Interest income Interest and Dividend Income, Operating Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Common stock distributions Dividends, Common Stock Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Mortgage servicing rights, net Beginning balance, as of January 1, 2025 Ending balance, as of September 30, 2025 Servicing Asset Loans eligible for repurchase Loans Receivable, Fair Value Disclosure Individual: Individual [Axis] Equity Method Investment, Aggregate Cost Equity Method Investment, Aggregate Cost Rocky Mountain Rocky Mountain [Member] Rocky Mountain Servicing portfolio Financing Receivable, Loan Servicing Portfolio Financing Receivable, Loan Servicing Portfolio Amortization expense Amortization Contributions from non-controlling interest Proceeds from Noncontrolling Interests Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Allowance for Loss Sharing Contingencies Disclosure [Text Block] Noncontrolling interest, ownership percentage by noncontrolling owners Subsidiary, Ownership Percentage, Noncontrolling Owner Extension period on initial maturity date Debt Instrument, Extension On Initial Maturity Date Debt Instrument, Extension on Initial Maturity Date Entity Interactive Data Current Entity Interactive Data Current NewPoint JV LLC NewPoint JV LLC [Member] NewPoint JV LLC Commercial mortgage loans, held for sale, measured at fair value Business Combination, Recognized Asset Acquired, Mortgages Held For Sale Fair Value Disclosure Business Combination, Recognized Asset Acquired, Mortgages Held For Sale Fair Value Disclosure Gain/(loss) on other real estate investments Gains (Losses) on Sales of Other Real Estate Southwest Southwest [Member] Southwest Weighted Avg. Life (in Years) Finite-Lived Intangible Assets, Remaining Amortization Period Less: Interest expense Interest expense Interest Expense, Deposits Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Ownership [Domain] Ownership [Domain] Schedule of Future Minimum Payments to be Received Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Seller-based financing on sales of real estate owned, held for sale Seller Based Financing On Sales Of Real Estate Owned Held For Sale Seller Based Financing On Sales Of Real Estate Owned Held For Sale Add: Net income/(loss) from non-controlling interest - OP Units Net Income/(Loss) From Non-Controlling Interest - OP Units Net Income/(Loss) From Non-Controlling Interest - OP Units Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total income Revenues 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Supplemental disclosures of cash flow information: Supplemental Cash Flow Elements [Abstract] Schedule of Allocation by Risk Rating Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Par Value Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Losses Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Losses Origination of commercial mortgage loans, held for sale, measured at fair value Payment for Origination, Loan, Mortgage, Held-for-Sale Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Office Office Building [Member] Dispositions Mortgage Loans On Real Estate, Dispositions Mortgage Loans On Real Estate, Dispositions Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Amortized Cost SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Unsecured Senior Notes I Unsecured Senior Notes I [Member] Unsecured Senior Notes I Provision for loss sharing Loss Contingency Accrual, Provision 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Real estate owned, net of depreciation Real Estate Acquired Through Foreclosure Finite-lived intangible, carrying value Finite-Lived Intangible Assets, Gross Loss sharing obligations Guarantee 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Interest Receivable Schedule of Collateralized Loan Obligations by Tranche Schedule of Long-Term Debt Instruments [Table Text Block] Compensation and benefits Compensation and benefits Labor and Related Expense Portland, OR Portland, Oregon [Member] Portland, Oregon Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Fair value of securities in an unrealized loss position, less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Schedule of Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Schedule of Loans on Nonaccrual Status Financing Receivable, Nonaccrual [Table Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Loan repurchase option liability Business Combination, Recognized Liability Assumed, Loan Repurchase Option Liability Business Combination, Recognized Liability Assumed, Loan Repurchase Option Liability Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Subordinated performance fee, percent that total return exceeds per year Related Party Transaction Subordinated Performance Fee Total Return Threshold Related Party Transaction Subordinated Performance Fee Total Return Threshold Number of property Number of Units in Real Estate Property Mortgage Loan Repurchase Policy Loans Receivable, Policy [Policy Text Block] Prepaid expenses and other assets Prepaid Expense and Other Assets Purchase of NewPoint Holdings JV LLC 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Owned Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Realized and unrealized gain/(loss) included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings, Sale of Commercial Mortgage Loan Held For Sale Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings, Sale of Commercial Mortgage Loan Held For Sale Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Straight line rental income Straight Line Rent Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Net unrealized gain on CLO bonds Debt Securities, Available-for-Sale, Accumulated Net Unrealized Gain (Loss), before Tax Debt Securities, Available-for-Sale, Accumulated Net Unrealized Gain (Loss), before Tax Interest Payable Business Combination, Recognized Liability Assumed, Interest Payable Business Combination, Recognized Liability Assumed, Interest Payable MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Fifth Third WH Line of Credit Fifth Third WH Line of Credit [Member] Fifth Third WH Line of Credit Real estate owned, gross Real Estate Owned, Held For Investment, Gross Real Estate Owned, Held For Investment, Gross Income Revenues [Abstract] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Number of positions in unrealized loss position 12 months or longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Unfunded Commitments Under Commercial Mortgage Loans Loan Origination Commitments [Member] Floating Rate Floating Rate [Member] Floating Rate Accumulated other comprehensive income/(loss) Accumulated Other Comprehensive Income (Loss), 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average servicing fee (as a percent) Contractually Specified Servicing Fees, Percentage Contractually Specified Servicing Fees, Percentage Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Affordable Affordable [Member] Affordable Document Transition Report Document Transition Report Lucid Prime Fund Lucid Prime Fund [Member] Lucid Prime Fund Schedules of Concentration of Risk, by Risk Factor Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Underlying Securities Award Underlying Securities Amount Real Estate Owned Real Estate Owned [Member] Real Estate Owned [Member] Equity Component [Domain] Equity Component [Domain] Number of positions with gross unrealized (loss) gain period less than 12 months Debt Securities, Available-for-Sale, Unrealized Gross Gain (Loss) Position, Number of Positions Debt Securities, Available-for-Sale, Unrealized Gross Gain (Loss) Position, Number of Positions Document Period End Date Document Period End Date Initial risk rating Initial Risk Rating Of Loans Initial Risk Rating of Loans Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Less than 90 days past due Financial Asset, Less Than 90 Days Past Due [Member] Financial Asset, Less Than 90 Days Past Due Net Amount Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Total equity Balance, Beginning of Period Balance, End of Period Equity, Including Portion Attributable to Noncontrolling Interest Conversion of stock, preferred stock to common stock, notice period Conversion of Stock, Preferred Stock To Common Stock, Notice Period Conversion of Stock, Preferred Stock To Common Stock, Notice Period CMBS Bonds CMBS Bonds [Member] CMBS Bonds Amortized cost, beginning of period Amortized cost, end of period Mortgage Loans on Real Estate, Commercial and Consumer, Net Document Type Document Type Level III Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Mortgage note payable Par Value Notes payable Notes Payable Variable lease cost Variable Lease, Cost Total Revenue/Investment Income Revenue from Contract with Customer, Excluding Assessed Tax Subsidiary [Axis] Subsidiary [Axis] Subsidiary Commercial mortgage loan, held for sale Proceeds from Sale, Loan, Held-for-Sale Finite-Lived Intangible Assets Acquired Finite-Lived Intangible Assets Acquired Statistical Measurement [Axis] Statistical Measurement [Axis] Litigation settlement Litigation Settlement Interest Share repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Balance at January 1, 2025 Balance at September 30, 2025 Loss Contingency Accrual (Gain)/loss from other real estate investments 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Participating Securities Schedule of Real Estate Owned, Held For Investment Real Estate Owned, Held For Investment [Table Text Block] Real Estate Owned, Held For Investment Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Hospitality Property Hospitality Property [Member] Hospitality Property Garfield PG JV HoldCo LLC Garfield PG JV HoldCo LLC [Member] Garfield PG JV HoldCo LLC Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Four Finite-Lived Intangible Assets, Amortization Expense, after Year Four 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Riverwalk Aker BSP Venture LLC Riverwalk Aker BSP Venture LLC [Member] Riverwalk Aker BSP Venture LLC Acquisition expenses Acquisition Expenses [Member] Acquisition Expenses Total Lease Payments Lessee, Operating Lease, Liability, to be Paid Change in net unrealized 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Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Company holds common units, membership interest, rate Company Holds Common Units, Membership Interest, Rate Company Holds Common Units, Membership Interest, Rate Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts payable and accrued expenses Business Combination, Recognized Liability Assumed, Accounts Payable and Accrued Expenses, Current Business Combination, Recognized Liability Assumed, Accounts Payable and Accrued Expenses, Current Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Repurchase agreements, gross amounts not offset on the balance sheet, cash collateral Security Sold under Agreement to Repurchase, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Other financings Note-on-Note Financing [Member] Note-on-Note 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of Debt Issuance Costs MRAs Master Repurchase Agreement [Member] Master Repurchase Agreement Entity Tax Identification Number Entity Tax Identification Number Reduced the facility capacity Line of Credit Facility, Maximum Borrowing Capacity to Secure Retail Notes Line of Credit Facility, Maximum Borrowing Capacity to Secure Retail Notes Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Schedule of Collateralized Loan Obligations Schedule of Variable Interest Entities [Table Text Block] Type Of Agreement [Axis] Type Of Agreement [Axis] Type Of Agreement Number of real estate properties Number of Real Estate Properties Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term (in year) Operating Lease, Weighted Average Remaining Lease Term Repurchase agreements - commercial mortgage loans Repurchase agreements, commercial mortgage loans Commercial Mortgage-Backed Securities [Member] Goodwill & Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Asset Pledged as Collateral with Right Asset Pledged as Collateral with Right [Member] Loss Sharing Obligations, Allowance, Specific Reserve Loss Sharing Obligations, Allowance, Specific Reserve Loss Sharing Obligations, Allowance, Specific Reserve Schedule of Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Offsetting Repurchase Agreements Offsetting Securities Sold under Agreements to Repurchase [Abstract] Rental income Operating Lease, Lease Income Loss Contingencies [Line Items] Loss Contingencies [Line Items] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Series E Preferred Stock Series E Preferred Stock [Member] Security Exchange Name Security Exchange Name Origination and purchase of commercial mortgage loans, held for investment Payments to Acquire Finance Receivables Revenue from real 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Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and Cash Equivalent NewPoint Holdings JV LLC NewPoint Holdings JV LLC [Member] NewPoint Holdings JV LLC Subsequent Event [Line Items] Subsequent Event [Line Items] MSR payoffs Pay Offs Mortgage Servicing Rights MSRs Pay Offs Mortgage Servicing Rights MSRs Common Stock Common Stock [Member] Accrued compensation Employee-related Liabilities UPB Loan, Held-in-Portfolio, Principal Outstanding Net change 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 Common dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid JPM Repo Facility JPM Repo Facility [Member] JPM Repo Facility [Member] Unrealized Gain/(Loss) from Investments Unrealized Gain (Loss) on Investments Accrued expenses and accounts payable - reclassified to other liabilities Accrued Expenses And Accounts Payable, Reclassified Accrued Expenses And Accounts Payable, Reclassified Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Principal charge-off Mortgage Loans On Real Estate, Charge-offs Mortgage Loans On Real Estate, Charge-offs Statistical Measurement [Domain] Statistical Measurement [Domain] 2029 and beyond Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Four and After Year Four Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four and After Year Four Amortized cost Amortized Cost Amortized cost basis Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Related Party Transaction [Axis] Related Party Transaction [Axis] 2025 (Three Months Ended December 31, 2025) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Carrying Value 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Barclays Capital Inc [Member] Barclays Capital Inc [Member] Servicing Fee Payable Servicing Fee Payable [Policy Text Block] Servicing Fee Payable Leases [Abstract] Leases [Abstract] Number of Bonds Debt Securities, Available-for-Sale, Number of Bonds Debt Securities, Available-for-Sale, Number of Bonds Mortgage servicing rights, net Business Combination, Recognized Asset Acquired, Mortgage Servicing Rights, Net Business Combination, Recognized Asset Acquired, Mortgage Servicing Rights, Net Deferred Compensation Plans (Nonqualified) Compensated Absences Policy [Policy Text Block] 2029 Lessor, Operating Lease, Payment to be Received, Year Four Equity interest (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Pledged Status [Axis] Pledged Status [Axis] Schedule of Loss Contingencies by Contingency Schedule of Loss Contingencies by Contingency [Table Text Block] Schedule of Unfunded Commitments Under Commercial Mortgage Loans, Held 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Receivable, Allowance for Credit Loss [Roll Forward] Forward sale commitments Forward Sale Commitments [Member] Forward Sale Commitments Collateral Pledged Debt Securities Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] September 2021 Mortgage Note Payable, Eliminated in Consolidation September 2021 Mortgage Note Payable, Eliminated in Consolidation [Member] September 2021 Mortgage Note Payable, Eliminated in Consolidation Other segment items Segment Reporting, Other Segment Item, Amount Weighted average useful economic useful life Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Concentration Risk Type [Axis] Concentration Risk Type [Axis] 2030 and beyond Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Accretion of deferred commitment fees Amortization of Deferred Loan Origination Fees, Net Variable 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