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Disclosure - Transactions with Related Parties - Servicing Agreement - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995995 - Disclosure - Transactions with Related Parties - MSR Recapture Agreement - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996005 - Disclosure - Transactions with Related Parties - Summary of Loan Servicing Fees Earned and Mortgage Servicing Rights Recaptured Income Earned (Detail) link:presentationLink link:calculationLink link:definitionLink 996015 - Disclosure - Transactions with Related Parties - Mortgage Banking Services Agreement - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996025 - Disclosure - Transactions with Related Parties - Summary of Aggregation and Securitization Activities (Detail) link:presentationLink link:calculationLink link:definitionLink 996035 - Disclosure - Transactions with Related Parties - Management Agreement - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996045 - Disclosure - Transactions with Related Parties - Summary of Management Fee Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 996055 - Disclosure - Transactions with Related Parties - Summary of Expenses (Detail) link:presentationLink link:calculationLink link:definitionLink 996065 - Disclosure - Transactions with Related Parties - Note Payable to PLS - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996075 - Disclosure - Transactions with Related Parties - Summary of Investing Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996085 - Disclosure - Transactions with Related Parties - Summary of Financing Activities (Detail) link:presentationLink link:calculationLink link:definitionLink 996095 - Disclosure - Transactions with Related Parties - Summary of Amounts Receivable From and Payable to PFSI (Detail) link:presentationLink link:calculationLink link:definitionLink 996105 - Disclosure - Transactions with Related Parties - Summary of Transfer Cash to Fund Loan Servicing Advances (Detail) link:presentationLink link:calculationLink link:definitionLink 996115 - Disclosure - Loan Sales - Summary of Cash Flows between Company and Transferees in Transfers Accounted for Sales (Detail) link:presentationLink link:calculationLink link:definitionLink 996125 - Disclosure - Loan Sales - Summary of Collection Status Information for Loans Accounted for Sales (Detail) link:presentationLink link:calculationLink link:definitionLink 996135 - Disclosure - Variable Interest Entities - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996145 - Disclosure - Variable Interest Entities - Summary of Credit Risk Transfer Agreements (Detail) link:presentationLink link:calculationLink link:definitionLink 996155 - Disclosure - Variable Interest Entities - Summary of Credit Risk Transfer Agreements (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996165 - Disclosure - Variable Interest Entities - Summary of Investment in Senior and Subordinate MBS Backed by Assets Held in Consolidated VIEs (Detail) link:presentationLink link:calculationLink link:definitionLink 996175 - Disclosure - Fair Value - Summary of Financial Statement Items Measured at Fair Value on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 996185 - Disclosure - Fair Value - Summary of Changes in Items Measured Using Level 3 Inputs on Recurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 996195 - Disclosure - Fair Value - Fair Values and Related Principal Amounts Due upon Maturity of Loans Accounted for Under Fair Value Option (Detail) link:presentationLink link:calculationLink link:definitionLink 996205 - Disclosure - Fair Value - Summary of Changes in Fair Value Included in Current Period Results of Operations (Detail) link:presentationLink link:calculationLink link:definitionLink 996215 - Disclosure - Fair Value - Summary of Carrying Value of Assets Remeasured Based on Fair Value on Nonrecurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 996225 - Disclosure - Fair Value - Summary of Changes in Fair Value Recognized in Assets that Remeasured at Fair Value on a Nonrecurring Basis (Detail) link:presentationLink link:calculationLink link:definitionLink 996235 - Disclosure - Fair Value - Carrying and Fair Values of Notes Payable Secured by Credit Risk Transfer and Mortgage Servicing Rights and Exchangeable Senior Notes (Detail) link:presentationLink link:calculationLink link:definitionLink 996245 - Disclosure - Fair Value - Key Inputs Used in Determining Fair Value of IO (Details) link:presentationLink link:calculationLink link:definitionLink 996255 - Disclosure - Fair Value - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996265 - Disclosure - Fair Value - Quantitative Summary of Key Unobservable Inputs Used in Review and Approval of Broker-provided Fair Values for CRT Derivatives (Detail) link:presentationLink link:calculationLink link:definitionLink 996275 - Disclosure - Fair Value - Quantitative Summary of Key Unobservable Inputs Used in Valuation of Interest Rate Lock Commitments (Detail) link:presentationLink link:calculationLink link:definitionLink 996285 - Disclosure - Fair Value - Summary of Key Unobservable Inputs Used in Valuation Credit Risk Transfer Strip Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996295 - Disclosure - Fair Value - Key Assumptions Used in Determining Fair Value of MSRs at Time of Initial Recognition (Detail) link:presentationLink link:calculationLink link:definitionLink 996305 - Disclosure - Fair Value - Quantitative Summary of Key Assumptions Used in Valuation of MSRs as of Dates Presented, and Effect on Estimated Fair Value from Adverse Changes in Those Inputs (Detail) link:presentationLink link:calculationLink link:definitionLink 996315 - Disclosure - Mortgage-Backed Securities - Summary of Investment in Mortgage Backed Securities Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996325 - Disclosure - Mortgage-Backed Securities - Schedule of Mortgage Backed Securities Pledged to Secure Assets Sold (Details) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Mortgage-Backed Securities - Summary of Investments in Mortgage Backed Securities (Detail) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Mortgage-Backed Securities - Summary of Investment in Mortgage Backed Securities (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Loans Held for Sale at Fair Value - Summary of Distribution of Company's Loans Held for Sale at Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Loans Held for Investment at Fair Value - Summary of Distribution of Company's Loans Held for Investment at Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Loans Held for Investment at Fair Value - Summary of Distribution of Company's Loans Held for Investment at Fair Value (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Derivative and Credit Risk Transfer Strip Assets and Liabilities - Summary of Derivative and Credit Risk Transfer Strip Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996395 - Disclosure - Derivative and Credit Risk Transfer Strip Assets and Liabilities - Derivative Assets and Derivative and Credit Risk Transfer Strip Liabilities at Fair Value and Related Margin Deposits (Detail) link:presentationLink link:calculationLink link:definitionLink 996405 - Disclosure - Derivative and Credit Risk Transfer Strip Assets and Liabilities - Summary of Derivative Assets, Financial Instruments and Collateral Held by Counterparty (Detail) link:presentationLink link:calculationLink link:definitionLink 996415 - Disclosure - Derivative and Credit Risk Transfer Strip Assets and Liabilities - Summary of Derivative Liabilities, Financial Liabilities and Collateral Pledged by Counterparty (Detail) link:presentationLink link:calculationLink link:definitionLink 996425 - Disclosure - Derivative and Credit Risk Transfer Strip Assets and Liabilities - Net Gains (Losses) Recognized on Derivative Financial Instruments (Detail) link:presentationLink link:calculationLink link:definitionLink 996435 - Disclosure - Mortgage Servicing Rights - Summary of MSRs Carried at Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 996445 - Disclosure - Mortgage Servicing Rights - Summary of Net Loan Servicing Fees Relating to MSRs (Detail) link:presentationLink link:calculationLink link:definitionLink 996455 - Disclosure - Other Assets - Summary of Other Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996465 - Disclosure - Assets Sold Under Agreements to Repurchase - Summary of Financial Information Relating to Assets Sold under Agreements to Repurchase (Detail) link:presentationLink link:calculationLink link:definitionLink 996475 - Disclosure - Assets Sold Under Agreements to Repurchase - Summary of Financial Information Relating to Assets Sold under Agreements to Repurchase (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996485 - Disclosure - Assets Sold Under Agreements to Repurchase - Summary of Maturities of Outstanding Advances Under Repurchase Agreements by Maturity Date (Detail) link:presentationLink link:calculationLink link:definitionLink 996495 - Disclosure - Assets Sold Under Agreements to Repurchase - Summary of Assets Sold under Agreements to Repurchase by Counterparty (Detail) link:presentationLink link:calculationLink link:definitionLink 996505 - Disclosure - Mortgage Loan Participation Purchase and Sale Agreement - Summary of Mortgage Loan Participation Purchase and Sale Agreement (Detail) link:presentationLink link:calculationLink link:definitionLink 996515 - Disclosure - Mortgage Loan Participation Purchase and Sale Agreement - Summary of Mortgage Loan Participation Purchase and Sale Agreement (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996525 - Disclosure - Long-Term Debt - Summary of Term Note Issued to Qualified Institutional Buyers (Detail) link:presentationLink link:calculationLink link:definitionLink 996535 - Disclosure - Long-Term Debt - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996545 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Note Payable Secured by Credit Risk Transfer and Mortgage Servicing Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996555 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Note Payable Secured by Credit Risk Transfer and Mortgage Servicing Assets (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996565 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Exchangeable Senior Notes (Detail) link:presentationLink link:calculationLink link:definitionLink 996575 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Exchangeable Senior Notes (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996585 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Unsecured Senior Notes (Detail) link:presentationLink link:calculationLink link:definitionLink 996595 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Unsecured Senior Notes (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996605 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Senior Notes (Detail) link:presentationLink link:calculationLink link:definitionLink 996615 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Asset-Backed Financing of a VIE at Fair Value (Detail) link:presentationLink link:calculationLink link:definitionLink 996625 - Disclosure - Long-Term Debt - Summary of Financial Information Relating to Asset-Backed Financing of a VIE at Fair Value (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996635 - Disclosure - Long-Term Debt - Schedule of Contractual Maturities on Long Term Debt Obligations (Detail) link:presentationLink link:calculationLink link:definitionLink 996645 - Disclosure - Liability for Losses under Representations and Warranties - Summary of Company's Liability for Losses under Representations and Warranties (Detail) link:presentationLink link:calculationLink link:definitionLink 996655 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996665 - Disclosure - Commitments and Contingencies - Company's Outstanding Contractual Commitments (Detail) link:presentationLink link:calculationLink link:definitionLink 996675 - Disclosure - Shareholders' Equity - Summary of Preferred Shares of Beneficial Interest (Detail) link:presentationLink link:calculationLink link:definitionLink 996685 - Disclosure - Shareholders' Equity - Summary of Preferred Shares of Beneficial Interest (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996695 - Disclosure - Shareholders' Equity - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996705 - Disclosure - Shareholders' Equity - Summary of Common Share Repurchase Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996715 - Disclosure - Shareholders' Equity - Summary of Common Share Repurchase Activity (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996725 - Disclosure - Net Gains on Loans Held for Sale - Summary of Net Gains on Mortgage Loans Held for Sale (Detail) link:presentationLink link:calculationLink link:definitionLink 996735 - Disclosure - Net (Losses) Gains on Investments and Financings - Summary of Net (Losses) Gains on Investments and Financings (Details) link:presentationLink link:calculationLink link:definitionLink 996745 - Disclosure - Net Interest Expense - Summary of Net Interest Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 996755 - Disclosure - Share-Based Compensation - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996765 - Disclosure - Share-Based Compensation - Summary of Share-Based Compensation Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 996775 - Disclosure - Share-Based Compensation - Summary of Share-Based Compensation Activity (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996785 - Disclosure - Share-Based Compensation - Summary of Restricted Share Units and Performance Share Units Expected to Vest (Detail) link:presentationLink link:calculationLink link:definitionLink 996795 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996805 - Disclosure - Earnings (Loss) Per Common Share - Summary of Basic and Diluted Earnings per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 996815 - Disclosure - Earnings (Loss) Per Common Share - Summary of Potentially Dilutive Shares Excluded from Computation of Diluted Earnings Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 996825 - Disclosure - Segments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996835 - Disclosure - Segments - Financial Highlights by Segment (Detail) link:presentationLink link:calculationLink link:definitionLink 996845 - Disclosure - Regulatory Capital and Liquidity Requirements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996855 - Disclosure - Regulatory Capital and Liquidity Requirements - Summary of Capital and Liquidity Amounts and Requirements by Agencies (Detail) link:presentationLink link:calculationLink link:definitionLink 996865 - Disclosure - Subsequent Events - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 90 or more days delinquent, in foreclosure Fair Value Option Loans Held As Assets In Foreclosure Aggregate Difference Aggregate difference between fair value and unpaid principal balance mortgage loans carried at fair value under the fair value option, more than 90 days past due and in foreclosure. Bank of Montreal [Member] Bank of Montreal. Bank Of Montreal [Member] Prepayment Speed [Member] Fair Value Input Prepayment Speed [Member] Prepayment speed. Decrease in interest expense Increase (Decrease) in Interest Payable, Net Unpaid Principal Balance Of Delinquent Mortgage Loans [Abstract] Unpaid principal balance of delinquent mortgage loans. Collection status (Unpaid principal balance) Segments Segments [Domain] Dividends, Preferred Stock, Total Preferred shares dividends Dividends, Preferred Stock Interest Income, Domestic Deposits, Total Cash and short-term investments Interest Income, Domestic Deposits Home Equity Lines of Credit [Member] Home Equity Loan [Member] Repurchase Agreement Derivatives [Member] Repurchase Agreements [Member] Average balance Assets Sold Under Agreements To Repurchase Average Balance Assets sold under agreements to repurchase average balance. Summary of Amounts Receivable From and Payable to PFSI Schedule of Related Party Transactions [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Number of shares Preferred stock, shares issued Preferred Stock, Shares Issued Credit risk transfer strips Gain Loss Recognized On Credit Risk Transfer Strips Gain (loss) recognized on credit risk transfer strips. Derivative assets Derivative Asset, Noncurrent Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Fair value of liabilities Fair value, Liabilities Gains Losses Recognized On Credit Risk Transfer Agreements Included In Net Loss Gain On Investments Represents the net cash and valuation gains or losses pursuant to credit risk transfer agreements. Gains (losses) recognized on gross derivative related to credit risk transactions Revision of Prior Period Revision of Prior Period [Axis] Put Options On Interest Rate Futures Sale Contracts [Member] Put options on interest rate futures sale contracts. Put Options On Interest Rate Futures Sell Contracts [Member] Other interest receivable Interest Receivable and Other Assets Performance incentive fee description Incentive Fee, Description Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Exchangeable Senior Notes Per Note Principal Amount Exchangeable Senior Notes Per Note Principal Amount Exchangeable Senior Notes Per Note Principal Amount Principal amount Net gains on loans acquired for sale [Member] Gain Loss On Loans Acquired For Sale [Member] Gain loss on loans acquired for sale. Debt Instrument, Issuance Date Debt Instrument, Issuance Date Expenses: Expenses Operating Expenses [Abstract] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Involuntary Prepayment Speed [Member] Measurement Input Involuntary Prepayment Speed [Member] Measurement input involuntary prepayment speed. Weighted-average maturity, Advances Securities Sold Under Agreements To Repurchase Maturity Date Securities Sold under Agreements to Repurchase Maturity Date Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Share vested due to exceeding performance goal Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Exceeding Performance Goals Target In Period Share based compensation arrangement by share based payment award equity instruments other than options vested exceeding the performance goals target in period. Net Gain On Mortgage Loans Acquired For Sale Disclosure [Text Block] Disclosure of key components of gain (loss) on mortgage loans acquired for sale. Net Gains on Loans Held for Sale Common shares, authorized Common Stock, Shares Authorized Repurchase of real estate previously sold as loans acquired for sale Repurchase of real estate previously sold as loans acquired for sale Repurchase of real estate previously sold as loans acquired for sale. Product and Service Product and Service [Axis] Current through 89 days delinquent Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans Less Than Ninety Days Unpaid principal balance of mortgage loans carried at fair value under the fair value option and less than 90 days past due. Document Fiscal Period Focus Document Fiscal Period Focus Percentage of interest on debt Interest rate spread (Annual) Debt Instrument, Interest Rate, Stated Percentage 90 or more days delinquent, not in foreclosure Mortgage Loans On Real Estate Not In Foreclosure Principal Amount Of Delinquent Loans Unpaid principal balance of mortgage loans carried at fair value under the fair value option, more than 90 days past due and in foreclosure. Change in fair value, Total Change in fair value of mortgage servicing rights Servicing Asset at Fair Value, Period Increase (Decrease) Entity Shell Company Entity Shell Company Net losses (gains) on investments and financings Gain Loss On Investments And Financings Gain loss on investments and financings. Net gains on investments and financings Net losses (gains) on investments and financings Net gains on investments and financings Barclays Capital Inc. [Member] Barclays Capital Inc [Member] Barclays Capital Inc. Exchangeable Senior Notes [Member] Convertible Debt [Member] Convertible Debt [Member] Schedule Of Gain Loss On Investments [Table] Schedule of Gain (Loss) on Securities [Table] Segment Reporting Segment Reporting, Policy [Policy Text Block] Gain loss on loans held for investment Gain loss on loans held for investment. Loans held for investment Estimated fair value inputs, Life (in years) Fair Value Input Weighted Average Life Represents the average life of the ESS asset based on its prepayment speed input. Fair value inputs, Equivalent life (in years) Summary of Term Note Issued to Qualified Institutional Buyers Schedule of Maturities of Long-Term Debt [Table Text Block] Series a b preferred stock and c cumulative redeemable preferred stock. Series A B Preferred Stock And C Cumulative Redeemable Preferred Stock [Member] 8.125% Series A, 8.00% Series B, 6.75% Series C Cumulative Redeemable Preferred Stock [Member] Excess servicing spread [Member] Excess Spread Investment [Member] Excess Spread Investment [Member] Estimated loans at fair value of cash flows valuation, discounted annual rate Estimated Loans At Fair Value Of Cash Flows Valuation Discounted Annual Rate Estimated loans at fair value of cash flows valuation, discounted annual rate. JPMorgan Chase & Co. [Member] J P Morgan Chase And Company [Member] JP Morgan Chase And Company [Member] Loans acquired for sale at fair value Loans held for sale Loans held for sale at fair value Loans held for sale at fair value ($2,328,824 and $2,676,700 pledged to creditors, respectively) Unpaid Balance Of Mortgage Loans Underlying Credit Guarantees On Credit Risk Transfer Agreements Unpaid balance of mortgage loans underlying credit guarantees on credit risk transfer agreements. Unpaid principal balance of loans underlying credit risk transfer arrangements Common shares, issued Common Stock, Shares, Issued Schedule Of Short Term Debt [Table] Short-Term Debt [Table] PledgedFinancialInstrumentsNotSeparatelyReportedPledgedSecurities Pledged financial instruments not separately reported Pledged securities. Loans pledged to secure mortgage loan participation purchase and sale agreements Asset Class Asset Class [Domain] Statement [Table] Statement [Table] Interest receivable Interest Receivable Provision for losses relating to representations and warranties Provision For Losses Under Representation And Warranties Provision for losses under representation and warranties. Cumulative cost of shares repurchased Stock Repurchase Program Cost Of Cumulative Shares Repurchased Stock repurchase program cost of cumulative shares repurchased. Quantitative Summary of Key Unobservable Inputs Used in Valuation of CRT Derivatives Schedule Of Key Unobservable Inputs Used In Valuation Of Credit Risk Transfers Table [Text Block] Schedule of key unobservable inputs used In valuation of credit risk transfers. Offsetting Assets [Table] Offsetting Assets [Table] Investment Owned, Balance, Principal Amount Principal balance or notional amount Mortgage Servicing Rights Mortgage Servicing Rights Disclosure [Text Block] Disclosure of the activity in the balance of servicing assets at both fair value and subsequently measured at amortized value. Statement [Line Items] Statement [Line Items] Security Sold Under Agreements to Repurchase [Member] Securities Sold under Agreements to Repurchase [Member] Entity Filer Category Entity Filer Category Variable Interest Entities Variable Interest Entity Disclosure [Text Block] CRT Term Notes CRT Term Notes [Member] C R T Term Notes [Member] CRT term notes. Principal-only Stripped Securities [Member] Principal-only stripped securities. Principal-only Stripped [Member] Loans Held For Sale At Fair Value [Member] Loans held for sale at fair value. Loans Held for Sale at Fair Value [Member] Net interest expense: Interest Income (Expense), Operating [Abstract] Debt Instrument Fair Value Carrying Value [Abstract] Debt Instrument Fair Value Carrying Value [Abstract] Deposits securing CRT arrangements Interest Income On Mortgage Loans Subject To Deposits Securing Credit Risk Transfer Agreements Interest income on mortgage loans subject to deposits securing credit risk transfer agreements. Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Asset Backed Secured Financing Interest Expense Represents interest expense relating to bonds issued to non-affiliates secured by mortgage loans held in a consolidated VIE. Asset-backed financings Total liabilities and shareholders’ equity Liabilities and Equity Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral, Total Net amount Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Mortgage backed securities, maturity period Mortgage Backed Securities Maturity Period Mortgage backed securities maturity period. Number of mortgage loans purchased Mortgage Loans On Real Estate Number Of Loans Purchased Mortgage loans on real estate number of loans purchased. Debt Instrument [Line Items] Debt Instrument [Line Items] Mortgage Loans Held For Sale [Member] Mortgage loans held for sale. Loans held for sale [Member] In foreclosure Delinquent Amount At End Of Period On Loans Managed And Securitized Ninety Days Or More In Foreclosure Delinquent amount at end of period on loans managed and securitized ninety days or more in foreclosure or bankruptcy. Statement of Partners' Capital [Abstract] Unsecured Debt balance include Exchangeable Senior Notes and 2023 Senior Notes. Unsecured Debt Include Exchangeable Senior Notes Unpaid principal balance Unsecured senior notes 90 or more days delinquent, not in foreclosure Fair Value Option Loans Held As Assets Not In Foreclosure Aggregate Difference Aggregate difference between fair value and unpaid principal balance mortgage loans carried at fair value under the fair value option, more than 90 days past due and not in foreclosure. Retained Interest, Fair Value Disclosure Retained interests at fair value pledged to secure Assets sold under agreements to repurchase Mortgage-backed securities Interest Income, Securities, Mortgage-Backed Unsettled securities trades Non cash investing in Unsettled securities trades Non cash investing in unsettled securities trades. Grant date average fair value per unit Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Weighted Average Grant Date Fair Value Loans And M S Rs Sold Under Agreements To Repurchase [Member] Loans and M S Rs sold under agreements to repurchase. Loans and MSRs Sold Under Agreements to Repurchase [Member] Exchangeable Notes [Member] Exchangeable Notes [Member] Exchangeable notes. Net amount Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Deferred tax assets, valuation allowance Deferred Tax Assets, Valuation Allowance Subsequent Event [Line Items] Subsequent Event [Line Items] Proceeds From Sale Of Mortgage Loans Held For Sale To Affiliates Unpaid principal balance of mortgage loans acquired for sale sold to an affiliate. Sale of loans held for sale to PennyMac Financial Services, Inc. Derivative assets Derivative assets, pledged to creditors Derivative Assets Pledged To Creditors Derivative assets pledged to creditors. Effective Income Tax Rate Reconciliation, Percent, Total Effective income tax rates Effective Income Tax Rate Reconciliation, Percent Provision for (benefit from) income taxes Put options on interest rate futures sell contracts. Put Options On Interest Rate Futures Sell Contracts [Member] Put Options On Interest Rate Futures Sell Contracts [Member] Shares Issuable Pursuant to Exchange of Exchangeable Senior Notes [Member] Convertible Debt Securities [Member] Prime Mortgage Loans [Member] Prime Mortgage Loan [Member] Prime mortgage loan. Freddie Mac MSR Financing Freddie Mac M S R Financing [Member] Freddie Mac M S R financing. PennyMac Financial Services, Inc. [Member] Penny Mac Financial Services Affiliated Entity [Member] PennyMac Financial Services Inc. Affiliated Entity. Summary of Mortgage Loan Participation Purchase and Sale Agreement Schedule Of Mortgage Loan Participation Agreements Table [Text Block] Represents disclosure of participation agreements with commercial banks whereby the Company sells its interest in pooled mortgage loans subject to forward sale agreements to the bank before receipt of the mortgage backed security from the pool's guaranteeing agency. Proceeds from Convertible Debt Issuance of unsecured senior notes Average balance Long Term Debt Average Balance During Period Long term debt average balance during period. Loans to REO Loans to REO Real Estate Owned, Transfer to Real Estate Owned Transfer of loans and servicing advances to real estate acquired in settlement of loans Key inputs used in fair value for CRT agreements Fair Value Inputs Voluntary Prepayment Speed Fair value inputs voluntary prepayment speed. Investment Income (Expense) [Member] Net Interest Expense [Member] Asset-backed Securities Asset-Backed Securities [Member] Asset-backed financings of VIEs [Member] Initially established percentage of unpaid principal balance of loans sold under recourse obligation losses Established Percentage Of Unpaid Principal Balance Of Mortgage Loans Sold Under Recourse Obligation Losses Established percentage of unpaid principal balance of mortgage loans sold under recourse obligation losses. Transfer Of Interest Rate Lock Commitments To Loans Held For Sale Transfer of interest rate lock commitments to loans held for sale. Interest rate lock commitments to loans held for sale Interest Rate Lock Commitments with Non-Affiliates [Member] Interest rate lock commitments with non-affiliates. Number of mortgage loans purchased multiplier Mortgage Loans On Real Estate Number Of Loans Purchased Multiplier Mortgage loans on real estate number of loans purchased multiplier. Variable Interest Entity [Table] Repurchase of loans at fair value Payments For Repurchase Of Mortgage Loans At Fair Value Payments for repurchase of mortgage loans at fair value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Option Vested And Expected To Vest Number Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Option Vested And Expected To Vest Number Number of units (in thousands) Additional paid-in capital Additional Paid in Capital, Common Stock Fair Value Unpaid Principal Of Underlying Loans Balance Unpaid principal balance of mortgage loans underlying MSRs carried at fair value at period end. Unpaid principal balance of underlying loans, Fair Value Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Amortization and Accrual of Net Purchase Premiums and Discounts Financial instruments owned mortgages mortgage backed and asset backed securities amortization and accrual of net purchase premiums and discounts. Amortization and accrual of net purchase premiums and discounts , net Liquidity, Actual Liquid Assets For Regulatory Compliance Liquid​ assets for regulatory compliance. Payments to Acquire Mortgage-Backed Securities (MBS), Available-for-Sale Purchase of mortgage-backed securities Certificates Retained In Asset Backed Financings Certificates Retained In Asset Backed Financings [Member] Certificates retained in asset-backed financings. Margin deposits placed with counterparties included in Other assets, net Margin Deposits Placed With Counter Parties Margin deposits placed with counter parties. Regulatory Assets [Abstract] Regulatory Assets [Abstract] RBC Capital Markets L.P. [Member] R B C Capital Markets L P [Member] RBC Capital Markets L.P. Nonperforming mortgage loans [Member] Nonperforming Financial Instruments [Member] Proceeds from Issuance of Secured Debt Issuance of asset-backed financings of variable interest entities Share Repurchase Program [Axis] Held For Sale To Affiliates [Member] Held for sale to affiliates. Assets securing notes payable: Notes Payable, Noncurrent [Abstract] Summary of Basic and Diluted Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Interest-Only Stripped [Member] Interest-only stripped. Gross amounts not offset in the consolidated balance sheet, Financial instruments Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Total changes in fair value of loans and derivatives Changes in fair value of loans and derivatives Changes in fair value of loans and derivatives. Concentration of Risks Concentration Risk Disclosure [Text Block] Mortgage Banking [Abstract] Gross amounts not offset in the consolidated balance sheet, Cash collateral pledged Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Share-based Compensation Plan [Member] Share-Based Payment Arrangement [Member] Dividends declared, not paid Dividends Payable Earnings Per Share, Basic, Total Earnings Per Share, Basic Basic earnings (losses) per share Basic Summary of Financial Information Relating to Assets Sold under Agreements to Repurchase Schedule of Repurchase Agreements [Table Text Block] May 25, 2023 [Member] Twenty five may two thousand twenty three. Twenty Five May Two Thousand Twenty Three [Member] Balance at end of period Balance at beginning of quarter Balance at end of quarter Mortgage servicing rights Mortgage servicing rights at fair value ($3,560,828 and $3,582,211 pledged to creditors, respectively) Variable Interest Entity [Line Items] Repayments of Secured Debt Repayment of asset-backed financings of variable interest entities February Two Thousand Twenty Five [Member] February Two Thousand Twenty Five. February 2025 [Member] Loan fulfillment fees earned by PLS Loan fulfillment fees Loan Fulfillment Fees Payable To Affiliate The fees paid by the reporting entity to an affiliate for services performed in connection with the acquisition, packaging and sale of the reporting entity's mortgage loans. Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income to net cash used in operating activities: Service agreement maturity renewal term Service Agreement Maturity Renewal Term Service Agreement Maturity Renewal Term Agency-conforming Loans Secured By Non-owner Occupied Properties [Member] Agency Conforming Loans Secured By Non Owner Occupied Properties Member Agency-conforming loans secured by non-owne occupied properties. Non-owner occupied properties [Member] Weighted average interest rate Participating Mortgage Loans Weighted Average Interest Rate Participating mortgage loans weighted average interest rate. Conventional conforming loans. Conventional Conforming Loans [Member] Held for Sale to PLS - Government-Insured or Guaranteed [Member] Held for Sale to PLS - Conventional Conforming Loans [Member] Other Mortgage loan other servicing fees Mortgage Loan Other Servicing Fees Mortgage loan other servicing fees. Reportable segment. Reportable Segment [Member] Reportable Segment [Member] Share Repurchase Program [Domain] Non-cash gains: Non Cash Portion Of Gain On Mortgage Loans Acquired For Sale [Abstract] Non cash portion of gain on mortgage loans acquired for sale. Summary Of Mortgage Servicing Rights [Line Items] Summary Of Mortgage Servicing Rights [Line Items] Summary of mortgage servicing rights. Four April Twenty Twenty Four [Member] Four april twenty twenty four. April 4, 2024 [Member] Payment of debt issuance costs Payments of Debt Issuance Costs Accounting Standards Update Accounting Standards Update [Axis] Deposits securing CRT strips and derivatives liabilities Deposits Securing Credit Risk Transfer Strip And Derivatives Liabilities Deposits securing credit risk transfer strip derivatives liabilities. Changes in instrument-specific credit risk Fair Value, Option, Credit Risk, Gains (Losses) on Assets Gains (losses) on investments and financings. Gains Losses On Investments And Financings Table [Text Block] Summary of Net (Losses) Gains on Investments and Financings Servicing Asset At Fair Value Changes In Fair Value [Abstract] Servicing Asset At Fair Value Changes In Fair Value [Abstract] SHAREHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Summary of Changes in Items Measured Using Level 3 Inputs on Recurring Basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Entity Small Business Entity Small Business Interest income: Interest and Dividend Income, Operating [Abstract] Liabilities, Total [Member] Fair Value Liabilities [Member] Fair value liabilities. Mortgage Loans Held For Investment Held By Variable Interest Entity [Member] Mortgage loans held for investment held by variable interest entity. Loans held for investment Held in consolidated VIEs [Member] Estimated fair value inputs, Pricing spread Fair Value Inputs Pricing Spread Fair value inputs pricing spread. Fair value inputs, Pricing spread Retained Earnings (Accumulated Deficit), Total Accumulated deficit Retained Earnings (Accumulated Deficit) Repayments of Unsecured Debt Repayment of unsecured senior notes Aggregate Cash Gain Loss On Sale Of Mortgage Loans Acquired For Sale Net Of Cash Hedging Results Aggregate Cash Gain Loss On Sale Of Mortgage Loans Acquired For Sale Net Of Cash Hedging Results Cash gain, net of effects of cash hedging, on sale of mortgage loans held for sale Allocated expenses and costs payable Allocated expenses and costs payable. Allocated expenses and costs Distressed [Member] Mortgage Loan [Member] Mortgage loan. Preferred Stock Preferred Stock [Member] Fair value of credit risk transfer derivatives. Fair Value Of Credit Risk Transfer Derivatives Fair value CRT Arrangement Financing CRT Arrangement Financing [Member] CRT arrangement financing. CRT Arrangement Financing [Member] Fannie Mae Or Freddie Mac Mortgage Loans [Member] Fannie Mae Or Freddie Mac Mortgage Loans [Member] Fannie Mae or Freddie Mac mortgage loans. Reduction of liability due to change in estimate Reduction In Liability Due To Change In Estimate Reduction in liability due to change in estimate. Offsetting [Abstract] Termination fees, description Termination Fees Description Description of the fee payable by the company in the event of termination of the management agreement. Derivative assets related to CRT Derivatives [Member] Derivative Assets Related To Credit Risk Transfer Derivatives [Member] Derivative assets related to credit risk transfer derivatives. Average outstanding balance Mortgage Loan Participation Purchase And Sale Agreement Average Outstanding Balance Mortgage loan participation purchase and sale agreement average outstanding balance. Servicing Advances pledged to creditors Servicing Advances Pledged To Creditors Servicing advances pledged to creditors. Mortgage loans commitments multiplier Mortgage Loans On Real Estate Loans Commitments Multiplier Mortgage loans on real estate loans commitments multiplier. Other, pledged to creditors Other Pledged To Creditors Other pledged to creditors. Amount outstanding Mortgage Loan Participation Purchase And Sale Agreement Obligations Amount Mortgage loan participation purchase and sale agreement obligations amount. Share-Based Compensation Share-Based Payment Arrangement [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Asset-backed financings at fair value (1) Mortgage Loans At Fair Value Mortgage loans at fair value. Repurchase Agreement Counterparty, Amount at Risk Amounts at risk Real Estate Acquired in Settlement of Loans Pledge to Secure [Member] Real estate acquired in settlement of loans [Member] Real Estate Acquired In Settlement Of Loans [Member] Real Estate Acquired In Settlement Of Loans [Member] Unamortized debt issuance costs Unamortized Debt Issuance Costs Unamortized debt issuance costs. Mortgage-backed securities including interest-only stripped mortgage-backed securities. Mortgage-Backed Securities Including Interest-Only Stripped Mortgage-Backed Securities [Member] Mortgage-Backed Securities Including Interest-Only Stripped Mortgage-Backed Securities [Member] Unusual Risk or Uncertainty, Nature Unusual Risk or Uncertainty, Nature [Domain] Amendment Flag Amendment Flag COVID-19 [Member] C O V I D19 [Member] COVID 19. Key inputs used in valuation of IRLCs Interest Rate Lock Commitment Measurement Input Interest rate lock commitment measurement input. Pledged Assets [Member] Pledged Assets [Member] Pledged Assets [Member] Product and Service Product and Service [Domain] Schedule of key inputs used in determining fair value of IO. Schedule of Key Inputs Used in Determining Fair Value of Io Table [text Block] Key Inputs Used in Determining Fair Value of IO Securities 90 or more days delinquent, in foreclosure Mortgage Loans On Real Estate In Foreclosure Principal Amount Of Delinquent Loans Total unpaid principal balance of mortgage loans carried at fair value under the fair value option. Interest Rate Lock Commitments And Loans Held For Sale [Member] Interest rate lock commitments and loans held for sale. Interest rate lock commitments and loans held for sale [Member] Valuation adjustments Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Valuation Adjustments Financial instruments owned mortgages mortgage backed and asset backed securities valuation adjustments. Servicing Advances Advances made by a mortgage loan servicer to to meet contractual principal and interest remittance requirements for investors, pay property taxes and insurance premiums, legal expenses and other protective advances to maintain, repair and market real estate properties on behalf of investors. Servicing advances Servicing advances ($67,604 and $78,430 pledged to creditors, respectively) Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Regulatory Capital and Liquidity Requirements Regulatory Capital Requirements for Mortgage Companies Disclosure [Text Block] Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Common Stock [Member] Common Shares [Member] Common Stock [Member] New Accounting Pronouncements Or Change In Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Sales Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value Sales Financial instruments owned mortgages mortgage backed and asset backed securities at fair value sales. Exchangeable Senior Notes due March 15, 2026 [Member] Exchangeable Senior Notes Due Two Thousand And Twenty Six [Member] Exchangeable senior notes due two thousand and twenty six. Swap Futures [Member] Swap Futures [Member] Swap Futures [Member] Mortgage loan participation purchase and sale agreements Mortgage Loan Participation Purchase And Sale Agreement Borrowings secured by mortgage loans held for sale in the form of a mortgage loan participation purchase and sale agreement. Mortgage loan participation purchase and sale agreements Effect On Value Of Twenty Percentage Adverse Change Effect On Value Of Twenty Percentage Adverse Change [Member] Effect on value of 20% adverse change. Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Summary of Applicable Capital and Liquidity Amounts and Requirements by Agencies Summary of Capital and Liquidity Amounts and Requirements by Agencies Weighted average interest rate Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate At Period End Securities sold under agreements to repurchase weighted average interest rate at period end. Bankruptcy Unpaid Principal Balance Of Mortgage Loans In Bankruptcy Represents unpaid principal balance of mortgage loans in bankruptcy. Other Other Operating Income (Expense), Net Amortization of Debt Discount (Premium) Amortization of premiums Amortization of debt issuance costs Amortization of premiums Proceeds from Principal Repayment, Loan and Lease, Held-for-Investment Repayment of loans held for investment Average balance Mortgage Loan Participation Purchase And Sale Agreement Average Balance Mortgage loan participation purchase and sale agreement average balance. Loans acquired for sale [Member] Loans Acquired For Sale Loans Acquired For Sale [Member] Loans acquired for sale. Portion at Fair Value Measurement [Member] [Default] Portion at Fair Value Measurement [Member] Entity Address, Address Line One Entity Address, Address Line One Summary of Management Fee Expense Schedule Of Related Party Transactions Base Management And Performance Incentive Fees Earned Table [Text Block] Represents amounts and disclosures relating to transactions between the company and its affiliates relating to management fees payable to the affiliate during the period and at period end. Level 1 [Member] Fair Value Hierarchy and NAV [Axis] Earnings Per Share [Abstract] Earnings (loss) per common share Loss Contingency Accrual Loss Contingency Accrual, Ending Balance Loss Contingency Accrual, Beginning Balance Loss contingency accrual Supplemental Cash Flow Information [Abstract] Payments, net: Assets Sold under Agreements to Repurchase [Line Items] Assets Sold under Agreements to Repurchase [Line Items] Fair Value inputs, Pricing spread during period Fair Value Inputs Pricing Spread During Period Pricing spread applied to reference discount rate applied to ESS cash flows in estimating the value of ESS added during the period. Margin deposits Margin Deposit Assets Derivative assets Total derivative assets after netting Derivative assets Fair Value, Concentration of Risk, Disclosure Items Fair Value, Concentration of Risk, Disclosure Items [Domain] General Discussion of Derivative Instruments and Hedging Activities [Abstract] Servicing fees receivable Servicing Fees Receivable Servicing fees receivable. Quantitative Summary of Key Unobservable Inputs Used in Valuation of Interest Rate Lock Commitments Schedule Of Key Inputs Used In Valuation Of Interest Rate Lock Commitments Table [Text Block] Schedule Of Key Inputs Used In Valuation Of Interest Rate Lock Commitments Table [Text Block] Total management fee incurred during the period Management fees Management Fee Expense Investment Type Investment Type [Axis] Summary of Carrying Value of Financial Statement Items Remeasured Based on Fair Value on Nonrecurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Credit Derivatives Contract Type Credit Derivatives Contract Type [Domain] Summary of Key Unobservable Inputs Used in Valuation of Credit Risk Transfer Strip Liabilities Schedule Of Key Unobservable Inputs Used In Valuation Of Interest Only Stripped Credit Risk Transfer Securities At Fair Value Table [Text Block] Schedule of key unobservable inputs used in valuation of interest only stripped credit risk transfer securities at fair value. Repurchase Agreements and Similar Transactions, Maturity Periods Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Increase (Decrease) in Income Taxes Increase (decrease) in income taxes payable Funded Under Uncommitted Facilities [Member] Funded Under Uncommitted Facilities [Member] Funded under uncommitted facilities. Repayments and sales Repayments and sales Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales And Settlements Fair value measurement with unobservable inputs reconciliation recurring basis asset sales and settlements. Servicing advances [Member] Servicing Advances [Member] Servicing advances. Document Type Document Type Income Taxes Paid, Net, Total Income taxes Income Taxes Paid, Net Fannie Cap Markets [Member] Fannie Cap Markets. Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Aggregation and securitization costs Aggregation and securitization costs. Aggregation and securitization costs Summary of Net Loan Servicing Fees Relating to MSRs Schedule Of Contractually Specified Servicing Fees Table [Text Block] Schedule Of Contractually Specified Servicing Fees [Table Text Block] Interest on Exchangeable Notes, net of income taxes Interest on Convertible Debt, Net of Tax Base [Member] Base [Member] Base [Member] Base management fee [Member] Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Mortgage Loan Participation Purchase and Sale Agreement [Member] Mortgage Loan Participation Purchase And Sales Agreement [Member] Mortgage loan participation purchase and sales agreement. Entity Central Index Key Entity Central Index Key Average remaining vesting period (in months) Share Based Compensation Arrangement By Share Based Payment Award Average Remaining Vesting Periods Share based compensation arrangement by share based payment award average remaining vesting periods. Net gains (losses) on investments and financings Net Gains Losses On Investments And Financings Net gains (losses) on investments and financings. Net gains (losses) on investments and financings Net (losses) gains on investments and financings Investments, Debt and Equity Securities [Abstract] Nonaffiliates [Member] Non Affiliates [Member] Non affiliates. 2020 MSR Recapture Agreement [Member] Twenty Twenty M S R Recapture Agreement [Member] 2020 MSR recapture agreement. Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net decrease in cash Government Guaranteed Securities [Member] Government Guaranteed Securities [Member] Held for Sale to PLS - Government-Insured or Guaranteed [Member] Subsequent Event Type [Domain] RBC Capital Markets, L.P. [Member] Royal Bank Of Canada Capital Markets L P [Member] Royal Bank of Canada Capital Markets, L.P. Interest income Interest income Interest Income, Operating Shares issuable under share-based compensation plan Potentially dilutive stock excluded from the diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Common shares repurchased Repurchase of common shares, Shares Stock Repurchased and Retired During Period, Shares Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions, Total Due to changes in inputs used in valuation model Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Short-Term Debt Short-Term Debt [Text Block] Common shares, par value Common Stock, Par or Stated Value Per Share Percentage of taxable income for distributions Reit Qualification Threshold Percentage Of Taxable Income For Distribution Represents the portion of the Company's taxable income that is required to distribute at in the form of qualifying distributions to shareholders to retain its REIT status. Schedule Of Capitalization Equity [Line Items] Schedule of Capitalization, Equity [Line Items] Accounting Standards Update Accounting Standards Update [Domain] Twenty Second December Twenty Twenty Five [Member] December 22, 2025. December 22, 2025 [Member] Weighted average interest rate Securities Sold Under Agreements To Repurchase Weighted Average Interest Rate During Period Securities sold under agreements to repurchase weighted average interest rate during period. LIABILITIES Liabilities [Abstract] Financing Receivable Recorded Investment [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Unsecured Eight Point Five Zero Percentage Senior Notes [Member] Unsecured 8.50% senior notes. Unsecured 8.50% Senior Notes [Member] Notes payable secured by credit risk transfer and mortgage servicing assets Interest Expense Notes Payable Secured By Credit Risk Transfer And Mortgage Servicing Assets Interest expense notes payable secured by credit risk transfer and mortgage servicing assets. Mortgage Loans At Fair Value [Abstract] Mortgage Loans At Fair Value [Abstract] Mortgage loans at fair value. Schedule Of Correspondent Production Activity Affiliate Table [Text Block] Schedule Of Correspondent Production Activity Affiliate [Table Text Block] Summary of Correspondent Production Activity and Other Loan Purchases Fair Value, Adjustment Disclosure [Abstract] Changes in fair value included in income arising from: Changes in fair value included in income arising from: Compensation Reimbursement Of Compensation To Affiliates Reimbursement of compensation to affiliates. Concentration of Credit or Market Risk Concentration of Credit or Market Risk [Axis] Mortgage Loans held for investment [Member] Mortgage Loans held for investment [Member] Loans held for investment [Member] Loans Held for Investment Pledged to Secure [Member] Payments To Purchase Mortgage Loans Held For Sale Affiliates Represents payments to purchase mortgage loans held for sale from an affiliate. Purchases of loans held for sale from PLS Purchase of loans held for sale from PennyMac Financial Services, Inc. Morgan Stanley & Co. LLC [Member] Morgan Stanley And Company L L C [Member] Morgan Stanley And Company. LLC. Voluntary Prepayment Speed [Member] Measurement Input Voluntary Prepayment Speed [Member] Measurement input voluntary prepayment speed. Derivative assets, Netting Derivative assets, Netting Derivative Fair Value Of Asset Master Netting Adjustment Derivative fair value of asset master netting adjustment. Debt Disclosure [Abstract] Commitments to purchase loans acquired for sale Mortgage Loans Acquired For Sale Outstanding Contractual Purchase Commitments Represents disclosure of amount of the company's contractual commitments to purchase recently originated mortgage loans. Schedule of Derivative Instruments [Table Text Block] Derivative Assets and Derivative and Credit Risk Transfer Strip Liabilities at Fair Value and Related Margin Deposits Key inputs used in fair value for CRT agreements Fair Value Unobservable Inputs Discount Rate Fair value unobservable inputs discount rate. Mortgage loan servicing fees payable Loan servicing fees Mortgage Loan Servicing Fees Payable Mortgage loan servicing fees payable. Four june two thousand twenty four [Member] Four june two thousand twenty four. June 4, 2024 [Member] Fair Value [Member] Estimate of Fair Value Measurement [Member] Notional amount Derivative, Notional Amount Other changes in fair value Servicing Asset at Fair Value, Other Changes in Fair Value Financial Instrument Performance Status Financial Instrument Performance Status [Domain] Reclassification from additional paid-in capital to carrying value of exchangeable notes Reclassification From Additional Paid In Capital To Carrying Value Of Exchangeable Notes Reclassification from additional paid-in capital to carrying value of exchangeable notes. Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Results of real estate acquired in settlement of loans Results of real estate acquired in settlement of loans Gains (Losses) on Sales of Other Real Estate Average Balance During Period For Loans Held In A V I E Average balance during period for loans held in A VIE Average MSR portfolio unpaid principal balance Schedule of financial statement items accounted for under the fair value option changes in fair value included in current period income. Schedule Of Changes In Fair Value Changes Included In Current Period Income Table [Text Block] Summary of Changes in Fair Value Included in Current Period Income Summary of Changes in Fair Value Included in Current Period Results of Operations Document Quarterly Report Document Quarterly Report Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Cost and Expense, Operating Goldman Sachs & Co. LLC [Member] Goldman Sachs Co L L C [Member] Goldman Sachs & Co. LLC. Payments To Credit Risk Transfer Losses Represents the cash payments from the contractually restricted cash account collateralizing credit event losses to the net derivative counterparty pursuant to credit risk transfer transactions. Net payments made to settle losses on credit risk transfer arrangements Issuance discount Preferred Stock, Discount on Shares Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Entity Address, State or Province Entity Address, State or Province Recognition of cash conversion option included in issuance of exchangeable senior notes, Amount Stock Issued During Period, Value, Conversion of Convertible Securities Maximum daily amount outstanding Asset Sold Under Agreements To Repurchase Maximum Daily Amount Outstanding Asset sold under agreements to repurchase maximum daily amount outstanding. Asset-backed security financings of variable interest entities liability at fair value Asset-backed security financings of variable interest entities liability at fair value. Asset-backed financings of the variable interest entities Financial Instrument Performance Status Financial Instrument Performance Status [Axis] Realized Realized Gains Losses Recognized On Credit Risk Transfer Strips Realized gains losses recognized on credit risk transfer strips. Total liabilities Financial Liabilities Fair Value Disclosure Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Fixed interest rate jumbo loans held in a VIE [Member] Fixed Interest Rate Jumbo [Member] Fixed interest rate jumbo. Assets Sold Under Agreements to Repurchase [Member] Assets Sold Under Agreements To Repurchase [Member] Assets Sold Under Agreements To Repurchase [Member] Unpaid Principal Balance Before Unamortized Debt Issuance Costs Adjustment [Member] Unpaid Principal Balance Before Unamortized Debt Issuance Costs Adjustment [Member] Unpaid principal balance before unamortized debt issuance costs adjustment. Risks and Uncertainties [Abstract] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Safekeeping Safekeeping Expense Expense incurred for the safekeeping of loan documents. Summary of Cash Flows between Company and Transferees in Transfers Accounted for Sales Summary Of Cash Flows Between Company And Transferees Upon Sale Of Loans In Transactions Table [Text Block] Summary of cash flows between company and transferees in transfers accounted for sales. Liability for Losses Under Representations and Warranties Liability For Representations And Warranties Disclosure [Text Block] The entire disclosure representing the liability of the entity under the representations and warranties made to purchasers of the loans it sells. Other [Member] Other Counterparties [Member] Other Counterparties [Member] Schedule of Mortgage Backed Securities Pledged to Secure Assets Sold Schedule Of Mortgage Backed Securities Pledged To Secure Assets Sold Table [Text Block] Schedule of mortgage backed securities pledged to secure assets sold. Date Of Original Issuance To March 14, 2024 [Member] Cumulative Dividends From Date Of Original Issuance To March Fourteen Two Thousand Twenty Four [Member] Cumulative Dividends From Date Of Original Issuance To March Fourteen Two Thousand Twenty Four. Financial instruments owned mortgages mortgage backed and asset backed securities purchase premiums (discounts), net Financial instruments owned mortgages mortgage backed and asset backed securities purchase premiums (discounts), net. Purchase premiums (discounts), net Twenty Four May Two Thousand Twenty Four [Member] Twenty four may two thousand twenty four. May 24, 2024 [Member] Professional services Professional Fees Interest on loan impound deposits Interest Expense On Mortgage Loan Impound Deposits Represents interest expense incurred by the company paid to borrowers' impound accounts relating to borrower funds held in escrow to pay hazard insurance and property taxes on the properties securing the mortgage loans. Preferred stock redemption price per share Preferred Stock, Redemption Price Per Share Loans pledged to secure total Pledged Financial Instruments Not Separately Reported And Assets Separately Reported On Statement At Fair Value Pledged financial instruments not separately reported and assets separately reported on statement at fair value. Notes payable secured by credit risk transfer and mortgage servicing assets Notes Payable Secured By Credit Risk Transfer And Mortage Servicing Asset Notes payable secured by credit risk transfer and mortgage servicing assets. Performance Share Units [Member] Performance Shares Units [Member] Performance Shares [Member] Estimated fair value inputs, Annual per-loan cost of servicing Fair Value Inputs Annual Per Loan Cost Of Servicing Annual per loan cost of servicing. fair value input relating to mortgage loans underlying MSRs accounted for at fair value. Payments for (Proceeds from) Derivative Instrument, Investing Activities, Total Net settlement of derivative financial instruments Payments for (Proceeds from) Derivative Instrument, Investing Activities Notes payable Long-Term Debt, Fair Value Subsequent Event Subsequent Event [Member] 30-89 days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized Thirty To Eighty Nine Days Delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized Thirty To Eighty Nine Days Delinquent Sales Servicing Asset at Fair Value, Disposals Transfer Of Financial Assets Accounted For As Sales [Line Items] Transfer of Financial Assets Accounted for as Sales [Line Items] Mortgage Backed Securities [Table] Mortgage Backed Securities [Table] Mortgage backed securities. Interest expense Interest Expense, Operating Interest expense, total Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Unamortized debt issuance costs Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] 90-180 days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized Ninety To One Hundred And Eighty Delinquent amount at end of period on loans managed and securitized ninety to one hundred and eighty. Unsecured Debt Unsecured Debt, Total Unsecured senior notes Interest Rate Lock Commitments with Pennymac Financial Services, Inc [Member] Interest rate lock commitments with pennymac financial services, inc. Interest Rate Lock Commitments with PFSI [Member] Dividends per share Preferred Stock, Dividends, Per Share, Cash Paid April 25, 2018 [Member] Twenty Five April Two Thousand Eighteen [Member] Twenty five april two thousand eighteen. Total derivative and credit risk transfer strip liabilities Derivative And Credit Risk Transfer Strip Liabilities Derivative and credit risk transfer strip liabilities. Derivative and credit risk transfer strip liabilities with nonaffiliates at fair value Recognition of asset-backed financings resulting from initial consolidation of VIEs Recognition Of Asset Backed Financings Resulting From Initial Consolidation Of Variable Interest Entity Recognition of asset backed financings resulting from initial consolidation of variable interest entity. Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Proceeds From Sale And Repayments Of Mortgage Backed Securities Proceeds from sale and repayments of mortgage backed securities. Sale and repayment of mortgage-backed securities Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation Credit agreements. Credit Agreements [Member] Loans acquired for sale pledged to secure Debt Securities Debt Securities, Total Purchase Commitment, Excluding Long-term Commitment Purchase Commitment, Excluding Long-Term Commitment [Axis] Secured term notes. Secured Term Notes Secured Term Notes [Member] Cost of Servicing [Member] Fair Value Input Cost Of Servicing [Member] Cost of servicing. Minimum net worth amount Banking Regulation, Mortgage Banking, Net Worth, Minimum Related Party Transaction [Axis] Derivative liabilities Total derivative liabilities after netting Derivative Liability Derivative liabilities with PennyMac Financial Services, Inc. Interest Only Security Payable At Fair Value Represents the fair value of interest-only strip securities classified as a liability. Interest-only security payable at fair value Interest-only security payable at fair value Interest-only security payable at fair value Net Loan Servicing fees [Member] Loan Servicing Fees [Member] Loan Servicing Fees [Member] Loan origination Loan Processing Fee Assets Sold under Agreements to Repurchase, Market Value Assets sold under agreements to repurchase Loans pledged to secure Assets sold under agreements to repurchase Adjustable rate mortgage loans [Member] Adjustable Rate Mortgages [Member] Adjustable Rate Mortgages [Member] 180 or more days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized One Hundred And Eighty Or More Delinquent amount at end of period on loans managed and securitized one hundred and eighty or more. Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Carrying value Preferred Stock, Value, Issued Preferred shares of beneficial interest, $0.01 par value per share - authorized 100,000,000 shares, issued and outstanding 22,400,000, liquidation preference $560,000,000 June 11, 2019 [Member] Eleven June Two Thousand Nineteen [Member] Eleven June Two Thousand Nineteen. Maturity date, Stated Maturity date of debt instrument Debt Instrument, Maturity Date Agency Conforming Loans Secured By Owner Occupied Properties [Member] Agency conforming loans secured by owner occupied properties. Owner occupied properties [Member] Minimum [Member] Minimum [Member] Minimum [Member] From PennyMac Financial Services, Inc. Mortgage Servicing Rights Recapture From Affiliate Represents MSR recapture earned from an affiliate under a recapture agreement during the period. Recapture amounts represent fees earned relating to mortgage loans subject to existing excess servicing spread that are refinanced by the affiliate. Metro Life Ins Co [Member] Metro Life Ins Co. Financial Instrument Financial Instrument [Axis] Total derivatives assets before netting Derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Derivative assets Other Interest Expense, Other Sale of assets under agreements to repurchase Proceeds From Sale Of Assets Under Agreements To Repurchase Proceeds from sale of assets under agreements to repurchase. CRT derivatives Credit Risk Transfer Credit Guarantee Obligation Assets Net derivative asset on credit risk transfer agreements in relation to the credit guarantee obligation Derivative assets - credit risk transfer derivatives Capital Requirements By Agencies [Table] Capital Requirements By Agencies [Table] Capital Requirements By Agencies [Table] Loan Fulfillment Fees Payable To Affiliates Loan fulfillment fees payable to affiliates. Loan fulfillment fees Servicing agreement expiration date Services Agreement Expiration Date Services Agreement Expiration Date Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Nonrecurring [Member] Fair Value, Nonrecurring [Member] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Key inputs used in fair value for CRT agreements Fair Value Inputs Involuntary Prepayment Speed Fair value inputs involuntary prepayment speed. Servicing advances secured notes payable Servicing Advances Secured Notes Payable Servicing advances Segment Reporting [Abstract] Mortgage Loan Sourcing Fees From Affiliate Represents fees received by the company from an affiliate for mortgage loans that it purchases from correspondent lenders to but is not licensed as a seller/servicer to sell such loans into the secondary market. Sourcing fees received from PLS included in Net gains on loans held for sale Freddie Mac Mortgage Servicing Rights Financing [Member] Freddie Mac mortgage servicing rights financing. Mortgage Service Rights At Fair Value [Member] Mortgage service rights at fair value. Mortgage Service Rights at Fair Value [Member] Summary of Financial Statement Items Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] December 15, 2025 [Member] Fifteenth December Twenty Twenty Five [Member] December 15, 2025. Summary of Investing Activity Summary Of Investment Transactions With Affiliate Table [Text Block] Summary Of Investment Transactions With Affiliate [Table Text Block] Valuation changes Gains Losses Recognized On Credit Default Swaps Valuation Changes Represents the net unrealized valuation changes pursuant to credit risk transfer agreements. Interest-only stripped mortgage-backed securities. Interest-Only Stripped Mortgage-Backed Securities [Member] Interest-Only Stripped Mortgage-Backed Securities [Member] Interest-Only Stripped Securities [Member] Other Assets, Miscellaneous, Total Other Other Assets, Miscellaneous Cost of common shares repurchased Repurchase of common shares, Amount Stock Repurchased and Retired During Period, Value Real Estate Acquired in Satisfaction of Debt [Member] Real Estate Acquired in Satisfaction of Debt [Member] Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Net amount Total derivative assets after netting Related Party Transactions [Abstract] Servicing Agreement [Member] Servicing agreement. Servicing Agreement [Member] Put Options On Interest Rate Futures Purchase Contracts [Member] Put options on interest rate futures purchase contracts. Put Options On Interest Rate Futures Purchase Contracts [Member] Put Options On Interest Rate Futures Purchase Contracts Percentage of return on equity Percentage Of Return On Equity Represents the net income expressed as a percentage of shareholders' equity upon which performance incentive fees are based. Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items] Gain (Loss) on Securities [Line Items] Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Other Other Income Income Tax [Table] Income Tax [Table] Income tax. Capital Requirements By Agencies [Line Items] Capital Requirements By Agencies [Line Items] Capital requirements by agencies. Commitments and contingencies ─ Note 17 Commitments and Contingencies Loans at fair value Average Balance During Period For Loans Loans at fair value. Summary of Aggregation and Securitization Activities Schedule Of Aggregation And Securitization Activities Affiliate [Table Text Block] Schedule of aggregation and securitization activities affiliate. Derivative assets pledged to secure: Derivative Assets Pledged To Secure [Abstract] Derivative assets pledged to secure. Services Agreement Renewed And Amended Adjusted Expiration Date Services agreement renewed and amended adjusted expiration date. Services agreement renewed and amended adjusted expiration date Carrying value of derivative and credit risk transfer strip liabilities Carrying value of derivative and credit risk transfer strip liabilities. Derivative and credit risk transfer liabilities - credit risk transfer strip liabilities Derivative and credit risk transfer liabilities - credit risk transfer strips Weighted-average maturity, Facility Mortgage Loans At Fair Value Sold Under Agreements Maturity Mortgage loans at fair value sold under agreements maturity. Jumbo loan. Jumbo Loan [Member] Jumbo [Member] Debt instrument interest rate spread Debt Instrument, Basis Spread on Variable Rate Cumulative dividend, beneficial interest rate Preferred Stock, Dividend Rate, Percentage Conversion options Interest Expense On Conversion Option Interest expense on conversion option. Forecast [Member] Forecast [Member] Loan origination fees Loan Originations Fees Fees charged to correspondent lenders and borrowers relating to the purchase or origination of mortgage loans. Repayments Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Repayment Financial instruments owned mortgages mortgage backed and asset backed securities repayment. Difference Fair Value, Option, Loans Held as Assets, Aggregate Difference Expected forfeiture rates based on grantees classifications Expected Forfeiture Rate Expected Forfeiture Rate Expected forfeiture Rate. Increase to maximum percentage of outstanding unpaid principal balance Increase To Maximum Percentage Of Outstanding Unpaid Principal Balance Increase to maximum percentage of outstanding unpaid principal balance. Measurement Input Unpaid Principal Balance [Member] Measurement input unpaid principal balance. Percentage of Unpaid Principal Balance [Member] Good Faith and Margin Deposit with Broker-Dealer Margin deposits placed with counterparties included in Other assets Available borrowing capacity, Committed Assets Sold Under Agreements Available Borrowing Capacity Committed Assets sold under agreements available borrowing capacity committed. Freddie Mac MSR and servicing advance receivables financing. Freddie Mac MSR and Servicing Advance Receivables Financing [Member] Freddie Mac MSR and Servicing Advance Receivables Financing Fair Value inputs, Weighted average equivalent average life during period Fair Value Inputs Weighted Average Life During Period Weighted average life input applied to MSR cash flows in estimating the value of MSRs carried at fair value added during the period. Santander US Capital. Santander US Capital [Member] Santander US Capital [Member] Variable Interest Entities [Member] Variable Interest Entity, Primary Beneficiary [Member] Interest Earned On Deposits Securing Credit Risk Transfer Agreements Interest earned on deposits securing credit risk transfer agreements. Interest income -- Deposits securing credit risk transfer arrangements Derivative and credit risk transfer strip liabilities: Derivative And Credit Risk Transfer Strip Liabilities [Abstract] Derivative and credit risk transfer strip Liabilities abstract. Transfers of: Transfers Astract Transfers. Mortgage Servicing Rights Secured Notes Payable Mortgage servicing rights, secured notes payable. MSRs Mortgage servicing rights at fair value Text Block [Abstract] Interest Income (Expense), Operating Net interest expense Transfers and Servicing [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash collateral received Cash Collateral for Borrowed Securities Collection Status In Unpaid Principal Balance [Abstract] Collection status in unpaid principal balance. Collection status (unpaid principal balance): Key inputs used in fair value for CRT agreements Fair Value Inputs Remaining Loss Expectation Fair value inputs remaining loss expectation. Shares expected to vest: Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Vested And Expected To Vest [Abstract] Share based compensation arrangement by share based payment award other than options vested and expected to vest. Mortgage Backed Securities [Abstract] Mortgage backed securities. Long-term Debt, Type Long-Term Debt, Type [Domain] Weighted average basic shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Basic Weighted Average Number of Shares Outstanding, Basic Scenario Scenario [Axis] Principal amount due upon maturity Mortgage Loans On Real Estate Unpaid Balance Unpaid principal balance of mortgage loans carried at fair value as of balance sheet date. Balance, end of quarter Liability for losses under representations and warranties Balance, beginning of quarter Representations And Warranties Liability Represents the company's estimate of the losses it expects to incur in the future as a result of claims against it in connection with the representations and warranties it provide to the purchasers and insurers of the mortgage loans it sells. Gain Loss On Sales Of Loans Net [Member] Gain (loss) on sales of loans, net. Net Gains on Loans Held for Sale [Member] Credit Risk Transfer Arrangement Financing [Member] Credit risk transfer arrangement financing. Base servicing fees for REO per month Base Services Fees For Reo Base services fees for reo. PNMAC Capital Management LLC [Member] P N M A C Capital Management L L C [Member] PNMAC Capital Management LLC. Exchangeable senior notes and 2023 senior notes. Exchangeable Senior Notes and Two Thousand Twenty Three Senior Notes [Member] Exchangeable Senior Notes and 2023 Senior Notes [Member] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Segments Segments [Axis] Loan servicing fees and fulfillment payable to PFSI Loan Management Fees And Fulfillment Servicing Payable To Affiliate Loan management fees and fulfillment servicing payable to affiliate. MSR recapture fees MSR Recapture Fees MSR recapture fees. From PFSI-MSR recapture fees Schedule of Net Gains on Loans Acquired for Sale Schedule Of Net Gain Loss On Mortgage Loans Acquired For Sale Table [Text Block] Represents key components of the gain on mortgage loans acquired for sale recognized during the period. Debt instrument extended maturity date subject to term note indenture Maturity date, Optional extension Debt Instrument Extended Maturity Date Subject To Term Note Indenture Debt instrument extended maturity date subject to term note indenture. Call Options on Interest Rate Futures Purchase Contracts [Member] Call Options On Interest Rate Futures Purchase Contracts [Member] Call options on interest rate futures purchase contracts. SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Text Block] Loans Held for Sale at Fair Value Liquidity requirement basis point Liquidity Requirement Ratio Amount Liquidity requirement ratio amount. Subsequent Events Subsequent Events [Text Block] UPB of loans in reference pools Unpaid Balance Of Loans In Reference Pools Subject To Credit Risk Transfer Securities Unpaid balance of loans in reference pools subject to credit risk transfer securities. Unpaid principal balance of loans in the reference pools Weighted-average note interest rate, Fair value Fair Value Weighted Average Coupon Interest Rate Average note interest rate applicable to MSRs carried at fair value. Total Long-Term Debt Transactions with Related parties Related Party Transactions Disclosure [Text Block] Cash Cash Securities Sold under Agreements to Repurchase, Total Maturity of repurchase agreements Securities Sold under Agreements to Repurchase Summary of Assets Sold under Agreements to Repurchase by Counterparty Securities Sold Under Agreements To Repurchase Schedule Of Repurchase Agreement Counter Parties With Whom Repurchase Agreements Exceed Ten Percent Of Stockholders Equity Table [Text Block] Represents amount at risk by repurchase counter party for securities sold under agreements to repurchase. Valuation adjustments, net Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Valuation Adjustments net Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Valuation Adjustments net Variable Rate Variable Rate [Domain] Total shareholders’ equity Balance, Amount Balance, Amount Equity, Attributable to Parent Dividends: Dividends [Abstract] Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Fair Value Inputs Option-Adjusted Spread Fair value inputs option-adjusted spread. Summary of Net Interest Expense Interest Income and Interest Expense Disclosure [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Asset-backed financings at fair value Asset Backed Secured Financing Liability Fair Value Asset-backed secured financing represents the amounts owed to nonaffiliates relating to the securitization of mortgage loans held in a variable interest entity. Asset-backed financing of variable interest entities at fair value Net worth, Actual Banking Regulation, Tangible Capital, Actual Statement of Stockholders' Equity [Abstract] Pennymac Financial Services Inc One [Member] Pennymac Financial Services Inc One [Member] Pennymac Financial Services Inc [Member] 6.75% Series C Preferred Stock [Member] Series C Preferred Stock [Member] Reduction in liability due to change in estimate Non Cash Gain From Reduction In Liability Due To Change In Estimate Non cash gain from reduction in liability due to change in estimate. Key Assumptions Used in Determining Fair Value of MSRs at Time of Initial Recognition Schedule Of Fair Value Inputs Date Of Sale Mortgage Servicing Right Table [Text Block] Schedule of key inputs used to estimate the fair value of mortgage servicing rights at initial recognition. Held For Sale Nonaffiliates GSE Eligible [Member] Held for sale nonaffiliates GSE eligible. Held for Sale to Nonaffiliates-GSE Eligible [Member] 8.125% Series A Preferred Stock [Member] Series A Preferred Stock [Member] At fair value [Member] Mortgage Loans At Fair Value [Member] Loans at fair value [Member] Mortgage loans at fair value. Mortgage loans on real estate, renewed and Extended, description SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Renewed and Extended, Description Schedule of mortgage loan acquired for sale. Summary of Distribution of Company's Loans Acquired for Sale at Fair Value Schedule Of Mortgage Loan Acquired For Sale Table [Text Block] Debt Security, Mortgage-Backed, Available-for-Sale, Fair Value Disclosure Retained interests at fair value pledged to secure Assets sold under agreements to repurchase Fair Value Fair Value Disclosures [Text Block] UPB of loans sold to PLS Mortgage Loans Sold To Affiliates Unpaid Principal Balance Unpaid principal balance of mortgage loans sold to affiliates during the period. Unpaid principal balance of loans sold to PLS: Issuance of mortgage loan participation purchase and sale agreements Proceeds From Issuance Of Mortgage Loan Participation Purchase And Sale Agreements Proceeds from issuance of mortgage loan participation purchase and sale agreements. Summary of Financial Information Relating to Asset-Backed Financing of a VIE at Fair Value Asset Backed Secured Financing Table [Text Block] Financial information relating to asset-backed secured financings, including balances, interest rates and interest expense for the period and at period end. Management Agreement Maturity Renewal Term Management agreement maturity renewal term. Management agreement maturity renewal term Performance incentive [Member] Performance Incentive [Member] Performance Incentive [Member] Performance incentive fee [Member] Subserviced loan [Member] Sub Servicing Loan [Member] Sub Servicing Loan [Member] Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Amortization Of Purchase Premiums Discounts Financial instruments owned mortgages mortgage backed and asset backed securities amortization of purchase premiums discounts. Accrual (amortization) of net purchase premiums and discounts Amortization and accrual of net purchase premiums and discounts Unpaid Principal Balance [Member] Unpaid Principal Balance [Member] Unpaid Principal Balance [Member] Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Atlas Securitized Products, L.P. [Member] Atlas Securitized Products L P [Member] Atlas Securitized Products, L.P. Government Sponsored Entity Eligible [Member] Government sponsored entity eligible. GSE Eligible [Member] Held for Sale to Nonaffiliates-GSE Eligible [Member] Debt Instrument, Name Debt Instrument, Name [Domain] Percentage of change in net income due to quarterly adjustments Percentage Of Change In Net Income Loss Represents a threshold return on shareholders' equity as defined before performance incentive fees are chargeable to the Company. Other Trustees Or Officers [Member] Other trustees or officers. Other Trustees or Officers [Member] Fair value of mortgage servicing rights pledged to secure Assets sold under agreements to repurchase and Notes payable secured by credit risk transfer and mortgage servicing assets Debt Instrument, Collateral Amount Tax service fees paid to PLS Tax Service Fees Paid Represents tax service fees paid to an affiliate relating to mortgage loans fulfilled for the company by the affiliate. Discount Rate [Member] Measurement Input, Discount Rate [Member] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Domain] 90 or more days delinquent, in foreclosure Fair Value Option Loans Held As Assets In Foreclosure Aggregate Fair Value Fair value of mortgage loans carried at fair value under the fair value option, more than 90 days past due and in foreclosure. 2020 MBS Agreement [Member] Twenty Twenty M B S Agreement [Member] 2020 MBS agreement. Freddie Mae MSR and servicing advance receivables financing. Freddie Mae MSR and Servicing Advance Receivables Financing [Member] Freddie Mac MSR and Servicing Advance Receivables Financing IO [Member] IO security. IO Security [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Carrying value: Carrying Value [Abstract] Carrying value. Current Unpaid Balance Of Mortgage Loans Subject To Credit Guarantee On Credit Risk Transfer Agreements Current Unpaid balance of mortgage loans subject to credit guarantee on credit risk transfer agreements current. Greg Hendry [Member] Greg Hendry. Increase (Decrease) in Other Operating Assets, Total Increase (Decrease) in Other Operating Assets (Increase) decrease in other assets Interest rate lock commitments and loans acquired for sale [Member] Interest Rate Lock Commitments And Loans Acquired For Sale [Member] Interest rate lock commitments and loans acquired for sale. Interest expense, total Interest expense Interest Expense, Operating and Nonoperating Unsecured senior notes interest expense Unsecured senior notes interest expense. Unsecured senior notes 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] Entity Entity [Domain] Subordinate Mortgage Backed Securities [Member] Subordinate Mortgage Backed Securities [Member] Subordinate mortgage backed securities. Held for Sale to Pennymac Loan Services - Government Sponsered Entity Eligible [Member] Held for sale to nonaffiliates—GSE eligible. Held for sale to PLS - GSE Eligible [Member] Credit Risk Transfer Strips at Fair Value [Member] Credit risk transfer strips at fair value. Credit Risk Transfer Strips at Fair Value [Member] Weighted average interest rate Short-Term Debt, Weighted Average Interest Rate, over Time Accrued Income Taxes, Total Income taxes payable Accrued Income Taxes 2018 FT-1 Notes Two thousand and eighteen FT one notes. Two Thousand And Eighteen F T One Notes [Member] Credit Risk Transfer Agreements [Member] Credit Risk Transfer Agreement [Member] Credit Risk Transfer Agreement [Member] Related Party Related and Nonrelated Parties [Axis] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis] Forward Sales Contracts [Member] Forward Sales Contracts [Member] Forward Sale Contracts [Member] Forward Sales Contracts [Member] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Schedule Of Mortgage Loan Held For Sale Table [Text Block] Schedule of mortgage loan held for sale. Summary of Distribution of Company's Loans Held for Sale at Fair Value Schedule Of Investment Income Reported Amounts By Category [Table] Investment Income [Table] Entity Address, City or Town Entity Address, City or Town Unusual Risk or Uncertainty, Nature Unusual Risk or Uncertainty, Nature [Axis] 30-89 days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized Thirty To Eighty Nine Days Delinquent amount at end of period on loans managed and securitized thirty to eighty nine days. Weighted average interest rate Weighted-average interest rate Long-Term Debt, Weighted Average Interest Rate, over Time Mortgage service rights [Member] Mortgage Service Rights [Member] Mortgage Service Rights. Net investment income Net investment income Revenues, Net of Interest Expense Number of Reportable Segments Number of reportable segments Security Exchange Name Security Exchange Name National Life Group [Member] National Life Group [Member] Base management fee shareholders' equity limit Base Management Fee Shareholders Equity Limit Represents the shareholders' equity levels upon which base management fee rates are based effective February 1, 2013. Summary of Common Share Repurchase Activity Schedule Of Shares Repurchase Table [Text Block] Schedule of shares repurchase. Assets sold under agreements to repurchase Total interest expense Interest Expense, Securities Sold under Agreements to Repurchase Net worth, Required Banking Regulation, Tangible Capital, Minimum Summary of Derivative Liabilities, Financial Liabilities and Collateral Pledged by Counterparty Schedule Of Derivative And Financial Liabilities By Significant Counterparty Not Offset Table [Text Block] Schedule Of Derivative And Financial Liabilities By Significant Counterparty Not Offset [Table Text Block] Basis point Regulatory Capital Ratio Amount Regulatory capital ratio amount. Counterparty Name Counterparty Name [Axis] Mortgage Loan Classification By Credit Quality And Type Table [Text Block] Mortgage Loan Classification By Credit Quality And Type [Table Text Block] Summary of Distribution of Company's Loans Held for Investment at Fair Value Income (loss) before benefit from income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (Benefit from) provision for income taxes Income (loss) before provision for (benefit from) income taxes Summary of MSRs Carried at Fair Value Schedule of Servicing Assets at Fair Value [Table Text Block] Effect On Value Of Five Percentage Adverse Change Effect On Value Of Five Percentage Adverse Change [Member] Effect on value of 5% adverse change. Supplemental Noncash Investing Activity [Abstract] Supplemental Noncash Investing Activity [Abstract] Non cash investing activities: Distribution from credit risk transfer arrangements Distribution From Credit Risk Transfer Arrangements Distribution from credit risk transfer arrangements. Measurement Input Type Measurement Input Type [Domain] Unsecured Nine Point Zero Zero Percentage Senior Notes [Member] Unsecured 9.00% senior notes. Unsecured 9.00% Senior Notes [Member] Derivative Asset [Abstract] Credit risk transfer derivatives Fair value, Weighted-average annual servicing fee rate (in basis points) M S R At Fair Value Service Fee Annual Rate At Initial Recognition MSR at fair value service fee annual rate at initial recognition. Liability For Representations And Warranties [Abstract] Liability for representations and warranties. Deposits securing CRT arrangements Deposits Securing Credit Risk Transfers Pledged To Creditors Deposits securing credit risk transfers pledged to creditors. Fannie Mae and Freddie Mac [Member] Federal National Mortgage Association And Federal Home Loan Mortgage Corporation [Member] Federal national mortgage association and federal home loan mortgage corporation. Repurchased Pursuant to Representations and Warranties [Member] Representations And Warranties [Member] Representations And Warranties Member Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Total Accounts Payable and Accrued Liabilities Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Measurement Basis [Axis] Statistical Measurement Statistical Measurement [Domain] Subordinate Residential Transition [Member] Subordinate residential transition. 8.125% Series A, 8.00% Series B, 6.75% Series C Preferred Stock [Member] Series A B And C Preferred Stock [Member] Series A B and C preferred stock. Mortgage servicing rights hedging results Hedging Gains And Losses On Mortgage Servicing Asset Net Hedging gains and losses on mortgage servicing asset net. Fair value, MSR recognized Amounts received pursuant to sales of loans Servicing Asset At Fair Value Additions From Loan Sales The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period from transfers of financial assets. Within 30 days [Member] Maturity Less than 30 Days [Member] Document Period End Date Document Period End Date Deposits securing credit risk transfer arrangements pledged to creditors Deposits Securing Credit Risk Transfer Agreements Represents cash deposited to secure the company's obligation under credit risk transfer agreements. Interest rate lock commitments Change In Fair Value Of Commitments To Purchase Loans Represents the portion of gain on sale of mortgage loans arising from the change in fair value of commitments to purchase loans. Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Interest income (expense) other. Other Interest Income Expense Other Loan servicing fees received Cash Flows Between Transferor and Transferee, Servicing Fees Voluntary Prepayment Speed [Member] Measurement Input, Constant Prepayment Rate [Member] Interest-only security payable at fair value - valuation changes Change In Fair Value Of Interest Only Security Payable At Fair Value Valuation Changes Change in fair value of interest only security payable at fair value valuation changes. Long-Term Debt Long-Term Debt [Text Block] Transfer Of Financial Assets Accounted For As Sales [Table] Transfer of Financial Assets Accounted for as Sales [Table] Pricing Spread [Member] Fair Value Input Pricing Spread [Member] Pricing spread. Effect of participating securities‒share-based compensation awards Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Gain (Loss) on Sale of Mortgage Loans Loans Loans held for investment Total non-cash gains Servicing advances and real estate acquired Servicing Advances And Real Estate Acquired Through Foreclosure Servicing advances and real estate acquired through foreclosure. Annual interest rate index Debt Instrument, Description of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Statement of Financial Position [Abstract] Net Income Loss Attributable To Common Stockholders Net income after adjustments for dividends on preferred stock Net income (loss) attributable to common shareholders Restricted Share Units [Member] Restricted Shares Units [Member] Restricted Stock Units (RSUs) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] Fair Value Option Quantitative Disclosures [Table] Fair Value Option, Disclosures [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Class of Stock Class of Stock [Axis] Hedging derivatives Change In Fair Value Hedging Instruments Still Held At Period End Represents the change in fair value of hedging derivatives still held at period end. Other receivables Other Receivables Due from PennyMac Financial Services, Inc. Fair Value inputs, Prepayment speed during period Fair Value Inputs Prepayment Speed During Period Prepayment speed input applied to MSR cash flows in estimating the value of new MSRs carried at fair value during the period. Asset Backed Secured Financing Liability Fair Value Asset Backed Secured Financing Liability Fair Value [Member] Asset backed secured financing liability fair value. Agency-conforming loans secured by investment properties [Member] Agency Conforming Loans Secured By Investment Properties [Member] Agency-conforming loans secured by investment properties. Call Options On Interest Rate Futures Sell Contracts [Member]. Call Options On Interest Rate Futures Sell Contracts [Member] Call Options On Interest Rate Futures Sell Contracts [Member] Cumulative shares repurchased Stock Repurchase Program Cumulative Number Of Shares Repurchased Stock repurchase program cumulative number of shares repurchased. Fair Value, Option, Loans Held as Assets [Abstract] Loans, fair value [Abstract] Liquidity, Required Liquid Asset Requirement For Regulatory Compliance Liquid asset requirement for ​regulatory compliance. Loan Portfolio Income Expense Loan portfolio income expense Loan servicing fees Other Assets [Line Items] Other Assets [Line Items] Other assets. Summary of Company's Liability for Losses under Representations and Warranties Summary Of Recourse Liability Table [Text Block] Represents summaries of activity in the recourse liability during the period. Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Total liabilities Liabilities Loan Sales Loan Sales Disclosure [Text Block] Loan Sales Disclosure. Financial Instruments Financial Instruments [Domain] Gross amounts offset in the consolidated balance sheet Derivative liabilities, Netting Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Changes in fair value of loans and derivatives Change In Fair Value Of Mortgage Loans And Related Hedging Instruments [Abstract] Change in fair value of mortgage loans and related hedging instruments abstract Securities Retained In Asset Backed Financings [Member] Securities Retained In Asset Backed Financings [Member] FT-1 Notes [Member] F T One Notes [Member] F T One notes. Net loan servicing fees Servicing Income Loss Net Of Valuation Adjustments Servicing income (loss) net of valuation adjustments and fair value impairment for MSRs. Net loan servicing fees Derivative Instruments Gain Loss [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Commitments to purchase mortgage loans: Leases Commitments And Purchase Obligations [Abstract] Leases Commitments And Purchase Obligations [Abstract] Restricted Cash, Total Restricted cash Restricted Cash Cash flows: Cash Flows [Abstract] Cash flows. Current through 89 days delinquent Fair Value Option Loans Held As Assets Ninety Days Or Less Past Due Fair value of mortgage loans carried at fair value under the fair value option and less than 90 days past due. Two Thousand Twenty Eight Senior Notes [Member] 2028 Senior Notes. 2028 Eight Senior Notes [Member] 2028 Senior Notes [Member] Principal amount due upon maturity SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans Variable Rate [Axis] Variable Rate Bond Futures [Member] Bond Futures [Member] Bond futures. Notes Payable [Member] Notes Payable [Member] Notes Payable [Member] Notes Payable. Maximum daily amount outstanding Line of Credit Facility, Maximum Amount Outstanding During Period Senior Notes Due Two Thousand Twenty Eight [Member] Senior notes due two thousand twenty eight. 8.50% Senior Notes Due 2028 [Member] Diluted weighted average shares outstanding Diluted weighted average shares outstanding Diluted Weighted Average Number of Shares Outstanding, Diluted Entity File Number Entity File Number Payment of dividends to common shareholders Payments of Ordinary Dividends, Common Stock Net Gains Losses On Investments And Financings [Abstract] Net gains losses on investments and financings. Net (losses) gains on investments and financings Other Assets Other Assets Other Net Gains (Losses) Recognized on Derivative Financial Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Cover [Abstract] 180 or more days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized One Hundred And Eighty Or More Days Not In Foreclosure Delinquent amount at end of period on loans managed and securitized one hundred and eighty or more days not in foreclosure. Measurement Input Type Measurement Input Type [Axis] Loans held for investment at fair value [Member] Loans held for investment at fair value. Loans Held For Investment At Fair Value [Member] Loans Held for Investment at Fair Value [Member] June Two Thousand twenty Five [Member] June 2025. June 2025 [Member] Carrying and Fair Values of Notes Payable Secured by Credit Risk Transfer and Mortgage Servicing Rights and Exchangeable Senior Notes Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Key inputs used in valuation Securitites Interest Only Stripped Measurement Input Securitites interest only stripped measurement input. Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Increase (Decrease) in Accounts Payable and Accrued Liabilities Decrease in accounts payable and accrued liabilities Other Ancillary Fee Income Generated by Servicing Financial Assets, Amount Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Axis] Total share units forfeiture Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Summary of Changes in Fair Value Recognized in Assets that Remeasured at Fair Value on a Nonrecurring Basis Schedule Of Assets Measured At Fair Value On Non Recurring Basis Table [Text Block] Schedule Of Assets Measured At Fair Value On Non Recurring Basis [Table Text Block] Asset-backed financings at fair value Unpaid principal balance Loan, Securitized or Asset-Backed Financing Arrangement, Principal Outstanding Non Qualified [Member] Non-qualified. Non-qualified [Member] Investments Investments [Domain] Net income exceeds 20% [Member] Net Income Exceeds Twenty Percentage [Member] Represents a threshold percentage for calculating the performance incentive portion of the Company's management fee. Offsetting Assets [Line Items] Offsetting Assets [Line Items] Derivative, Gain (Loss) on Derivative, Net, Total Derivative, Gain (Loss) on Derivative, Net Net gains on derivative financial instruments used as economic hedges Scenario Scenario [Domain] Real estate acquired in settlement of loans Real estate acquired in settlement of loans Real Estate Acquired Through Foreclosure Other assets-Real estate acquired in settlement of loans Weighted average maturity Mortgage Loans At Fair Value Sold Under Agreements Weighted Average Maturity Mortgage loans at fair value sold under agreements weighted average maturity. Mortgage loans acquired for sale, mortgage loans, REO and MSRs sold under agreements to repurchase [Member] Mortgages [Member] 2029 Exchangeable Notes [Member] Two Thousand Twenty Nine Exchangeable Notes [Member] 2029 Exchangeable Notes. Number of business segments Number of Operating Segments Number of operating segments Number of common shares held by affiliate Number Of Common Shares Held By Affiliate Number of common shares held by affiliate. Segments Segment Reporting Disclosure [Text Block] 8.00% Series B Preferred Stock [Member] Series B Preferred Stock [Member] Dividends on preferred shares. Dividends On Preferred Shares Dividends on preferred shares Dividends on preferred shares Mortgage Backed Securities [Member] Collateralized Mortgage-Backed Securities [Member] Mortgage Backed Securities At Fair Value [Member] Fixed-Rate Mortgage Loans [Member] Fixed Rate Mortgage Loans [Member] Fixed Rate Mortgage Loans [Member] Twenty Eight August Twenty Twenty Four [Member] Twenty eight August twenty twenty four. August 28, 2024 [Member] Subsequent Event [Table] Investment securities at fair value, Mortgage-backed securities Debt Securities, Gain (Loss) Debt Securities, Gain (Loss), Total Mortgage-backed securities Financial instruments owned mortgages mortgage backed and asset backed securities cumulative valuation changes. Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Cumulative Valuation Changes Cumulative valuation changes Cumulative valuation changes 90-179 days delinquent Delinquent Amount At End Of Period On Loans Managed And Securitized Ninety To One Hundred And Seventy Nine Delinquent amount at end of period on loans managed and securitized ninety to one hundred and seventy nine. Short-term Debt, Type Short-Term Debt, Type [Domain] Provision for losses relating to representations and warranties provided in loan sales: Provision for losses: Provision For Losses Under Representation And Warranties [Abstract] Provision for losses under representation and warranties. Company's Outstanding Contractual Commitments Other Commitments [Table Text Block] Conventional Conforming [Member] Conventional Conforming [Member] Conventional conforming. Fair value Fair Value Option Loans Held As Assets Aggregate Fair Value Total fair value of mortgage loans carried at fair value under the fair value option. Recapture Agreement Renewed And Amended Adjusted Recapture Fee Description Recapture agreement renewed and amended adjusted recapture fee description. Recapture agreement renewed and amended adjusted recapture fee description Short-term Debt, Type Short-Term Debt, Type [Axis] New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Sales of loans Gain Loss On Sale Of Mortgage Loans Acquired For Sale Cash Portion Gain Loss On Sale Of Mortgage Loans Acquired For Sale Cash Portion Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Recognition of cash conversion option included in issuance of exchangeable senior notes, Shares Stock Issued During Period, Shares, Conversion of Convertible Securities Twenty Seven June Two Thousand Twenty Four [Member] Twenty Seven june two thousand twenty four. June 27, 2024 [Member] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Fixed Annuity Fixed Annuity [Member] Amount outstanding Carrying value of notes Notes Payable Gross Notes payable gross. Purchases Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value Purchases Financial instruments owned mortgages mortgage backed and asset backed securities at fair value purchases. Unpaid principal balance of loans recaptured Unpaid Principal Balance Of Loans Recaptured Unpaid principal balance of loans recaptured. Loan Sales [Abstract] Loan sales. Rule 10 b 51 Arr Modified Flag Rule 10 b 51 arr modified flag. Rule 10b5-1 Arrangement Modified Summary of Restricted Share Units and Performance Share Units Expected to Vest Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Restricted Share Units And Performance Share Units Expected To Vest Outstanding Table [Text Block] Schedule of share based compensation arrangement by share based payment award restricted share units and performance share units expected to vest outstanding. Net income exceeds 15% [Member] Net Income Exceeds Fifteen Percentage [Member] Represents a threshold percentage for calculating the performance incentive portion of the Company's management fee. Over 1 year to 2 years [Member] Maturity One Year To Two Years [Member] Maturity One Year To Two Years [Member] Carrying Value [Member] Reported Value Measurement [Member] Summary of Maturities of Outstanding Advances Under Repurchase Agreements by Maturity Date Repurchase Agreements Maturities Table [Text Block] Repurchase agreements maturities. Exchangeable Senior Notes due November 1, 2024 [Member] Exchangeable Senior Notes Due Two Thousand And Twenty Four [Member] Exchangeable senior notes due two thousand and twenty four. Investment, Type [Extensible Enumeration] Senior Non-Agency Securities [Member] Non Agency Senior Securities [Member] Non-Agency senior securities. Senior Non-Agency [Member] Payments To Purchase Mortgage Loans Held For Sale Nonaffiliates Payments to purchase mortgage loans held for sale non-affiliates. Purchase of loans held for sale from nonaffiliates Fair Value Inputs Option Adjusted Spread Fair value inputs option adjusted spread. Estimated fair value inputs, Option-adjusted spread BNP Paribas [Member] B N P Paribas [Member] BNP Paribas. Corporate [Member] Corporate Segment [Member] Ellington Management [Member] Ellington Management. Fair value Mortgage Loans Fair Value Disclosure Mortgage loans fair value disclosure. Loans held for investment Percentage of net income for calculation of performance incentive fees Percentage Of Consolidated Net Income Represents the net income expressed as a percentage of shareholders' equity upon which performance incentive fees are based. Credit Sensitive Strategies [Member] Credit Sensitive Strategies [Member] Credit sensitive strategies. Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common shares, outstanding Common Stock, Shares, Outstanding Risks Inherent in Servicing Assets and Servicing Liabilities, Type Risks Inherent in Servicing Assets and Servicing Liabilities, Type [Domain] Interest income and sourcing fee Sourcing Fee On Unpaid Principal Balance Fee expressed in basis points of the unpaid principal balance earned by the Company relating to transfers of government-insured or guaranteed mortgage loans that it purchases from correspondent lenders to an affiliate. Document Transition Report Document Transition Report Loan collection and liquidation Mortgage Loan Collection And Liquidation Expenses The amount of expenses for mortgage loan collection and liquidation costs on distressed mortgage loans. Short-Term Investments Short-Term Investments, Total Short-term investments Short-term investments at fair value Total expenses Operating Expenses Schedule Of Capitalization Equity [Table] Capitalization, Equity [Table] Payments for Repurchase of Common Stock Repurchase of common shares of beneficial interest Loan servicing fees Loan Servicing Fees Loan servicing fees. Mortgage Loans On Real Estate Schedule [Table] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table] CRT arrangements Gain Loss On Net Derivative Relates To Credit Risk Transfer Gain (loss) on net derivative relates to credit risk transfer. Statement of Cash Flows [Abstract] Additional servicing fees per loan per month Additional Servicing Fees Additional Servicing Fees Average UPB of underlying loans Average Mortgage Servicing Rights Unpaid Principal Balance Average mortgage servicing rights unpaid principal balance. Freddie Mac Mortgage Servicing Rights And Servicing Advance Receivables Financing [Member] Freddie Mac mortgage servicing rights and servicing advance receivables financing. Loans At Fair Value [Member] Loans At Fair Value Loans At Fair Value [Member] Loans at fair value. Assets: Assets, Fair Value Disclosure [Abstract] Liquidation preference Preferred stock, liquidation preference, value Preferred Stock, Liquidation Preference, Value Fair Value, Option, Changes in Fair Value, Gain (Loss) Changes in fair value included in current period income (expense) Shareholders' Equity Equity [Text Block] Derivative and credit risk transfer strip liabilities at fair value Derivative And Credit Risk Transfer Strip Liabilities At Fair Value Derivative and credit risk transfer strip liabilities at fair value. Loans, principal amount due upon maturity [Abstract] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Other Disclosure [Abstract] Daiwa Capital Markets [Member] Daiwa Capital Markets [Member] Daiwa Capital Markets [Member]. Earnings Per Share [Text Block] Earnings (Loss) Per Common Share Average balance Convertible Debt Average Balance During Period Represents the weighted average balance of exchangeable notes outstanding during the period. Balance, Shares Shares, Issued Balance, Shares Mortgage-backed securities at fair value pledged to creditors Mortgage loans at fair value acquired For sale pledged As Collateral to secure related financing amounts. Loans held for sale at fair value, pledged to creditors Schedule of Changes in Fair Value Schedule Of Changes In Fair Value [Table Text Block] Schedule of changes in fair value. Total expenses incurred in transaction with affiliates Affiliate Costs Fair value Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair value, Assets Net income (loss) Net income Valuation changes Gains Losses Recognized On Credit Risk Transfer Strips Valuation Changes Gains losses recognized on credit risk transfer strips valuation changes. UPB of loans recaptured UPB Of Loans Recaptured UPB of loans recaptured. Loan servicing fees Loan Portfolio Expense Net amounts of liabilities presented in the consolidated balance sheet Net amount of liabilities presented in the consolidated balance sheet Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned Mortgage Loan Participation And Sale Agreement Interest Expense Total interest expense Mortgage loan participation and sale agreement interest expense. Summary of Loan Servicing Fees Earned and Mortgage Servicing Rights Recaptured Income Earned Mortgage Loan Servicing Fees Earned By Affiliate And Mortgage Servicing Rights Recaptured Income Earned Table [Text Block] Mortgage loan servicing fees earned by affiliate and mortgage servicing rights recaptured income earned [Table Text Block] Available borrowing capacity, Uncommitted Securities Sold Under Agreements Available Borrowing Capacity Uncommitted Securities Sold Under Agreements Available Borrowing Capacity Uncommitted Other Assets [Table] Other Assets [Table] Other assets. Real Estate Acquired Through Foreclosure Gains Losses Recognized Changes in fair value recognized in income during the period relating to real estate acquired in settlement of loans re-measured at fair value less estimate costs to sell. Real estate acquired in settlement of loans Involuntary Prepayment Speed [Member] Measurement Input, Prepayment Rate [Member] Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Excess Servicing Spread Recapture Received As Excess Servicing Spread ESS received pursuant to a recapture agreement with PFSI Received pursuant to a recapture agreement Represents excess servicing spread recapture received by the Company in settlement of its recapture agreement with an affiliate in compensation for the affiliate's refinancing of mortgage loans underlying excess servicing spread assets. RJ O'Brien & Associates, LLC [Member] Rj Brien Associates Llc [Member] RJ O'Brien & Associates, LLC [Member] ASSETS Assets [Abstract] Amortization of Debt Issuance Costs and Discounts, Total Amortization of premiums and debt issuance costs Amortization of debt issuance costs (Accrual) amortization of premiums and of debt issuance costs Changes in fair value included in income arising from: Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Changes In Fair Value Included In Income [Abstract] Financial instruments owned mortgages mortgage backed and asset backed securities changes in fair value included in income. Other Other Operating Income Loss Net Other operating income (loss) net. Summary of Financial Information Relating to Note Payable Secured by Credit Risk Transfer and Mortgage Servicing Assets Schedule Of Secured Note Payable Of Credit Risk Transfer And Mortgage Servicing Rights Table [Text Block] Schedule of secured note payable of credit risk transfer and mortgage servicing rights. Document And Entity Information [Line Items] Document And Entity Information [Line Items] Document and entity information. Document Fiscal Year Focus Document Fiscal Year Focus Mortgage adjusted loan commitments Mortgage Loans On Real Estate Adjusted Loan Commitments Mortgage loans on real estate adjusted loan commitments. Summary of Collection Status Information for Loans Accounted for Sales Summary Of Unpaid Balance Information For Mortgage Loans Upon Sale Of Loans In Transactions Table [Text Block] Summary of​ unpaid​ balance information​ for​ mortgage​ loans​ upon​ sale​ of loans in transactions​. Net (Losses) Gains on Investments and Financings [Member] Net Gains Losses On Investments And Financings [Member] Net gains (losses) on investments and financings. Fair value of CRT derivatives liabilities Fair Value Of Credit Risk Transfer Derivatives Liabilities Fair value of credit risk transfer derivatives liabilities. Decrease in servicing advances Increase Decrease In Servicing Advances Increase (Decrease) in Servicing Advances Mortgage servicing rights [Member] Mortgage Servicing Rights [Member] Mortgage servicing rights. Purchase Commitment [Member] Purchase Commitment [Member] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Changes in fair value of mortgage loans attributable to changes in inputs other than credit. Fair Value Option Non Credit Risk Gains Losses On Assets Other factors Correspondent Production [Member] Correspondent Production [Member] Correspondent Production [Member] Interest expense Interest Expense, Long-Term Debt, Total Total interest expense Unsecured senior notes Payment of dividends to preferred shareholders Payments of Ordinary Dividends, Preferred Stock and Preference Stock 180 or more days delinquent Delinquent Amount In C O V I D19 Pandemic Related Forbearance At End Of Period On Loans Managed And Securitized One Hundred And Eighty Or More Days Not In Foreclosure Delinquent amount in COVID19 pandemic related forbearance at end of period on loans managed and securitized one hundred and eighty or more days not in foreclosure. Share vested vested with zero attainment Share Based Compensation Arrangement by Share Based Payment Award Vested With Zero Attainment Share based compensation arrangement by share based payment award vested with zero attainment. Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Net (Losses) Gains on Investments and Financings Repurchase of assets sold under agreements to repurchase Repayments Of Assets Sold Under Agreements To Repurchase Repayments of Assets Sold Under Agreements to Repurchase Notes Payable Secured by Credit Risk Transfer and Mortgage Servicing Assets [Member] Notes Payable Secured By Credit Risk Transfer And Mortgage Servicing Assets [Member] Notes payable secured by credit risk transfer and mortgage servicing assets. Contractually specified Contractually-specified servicing fees Contractually Specified Servicing Fees, Amount Interest-only security payable [Member] Interest Only Security Payable [Member] Interest Only Security Payable [Member] Non Rule 10 b 51 Arr Modified Flag Non rule 10 b 51 arr modified flag. Non-Rule 10b5-1 Arrangement Modified Document And Entity Information [Table] Document And Entity Information [Table] Document and entity information. Revision of Prior Period Revision of Prior Period [Domain] Servicing Assets and Servicing Liabilities Risk Servicing Assets and Servicing Liabilities Risk [Axis] Swaption Purchase Contracts Swaption Purchase Contracts [Member] Swaption purchase contracts. Fair Value Fair Value Measurement, Policy [Policy Text Block] Exchangeable senior notes Exchangeable senior notes Convertible Debt Due to PennyMac Financial Services, Inc. Other Liabilities PMT agreed to reimburse PCM for a payment Total expense due to affiliate Initial Exchangeable Rate [Member] Initial Exchangeable Rate [Member] Initial Exchangeable Rate [Member] Summary of Other Assets Schedule of Other Assets [Table Text Block] Increase (Decrease) Due from Affiliates Decrease in due from PennyMac Financial Services, Inc. Derivative and credit risk transfer strip assets pledged to secure Derivative And Credit Risk Transfer Strip Assets Pledged To Creditors Derivative and credit risk transfer strip assets pledged to creditors. Accounting Standards Update 2020-06 [Member] Accounting Standards Update 2020-06 [Member] March 6, 2024 [Member] Six march twenty twenty four. Six March Twenty Twenty Four [Member] Fair Value Disclosures [Abstract] Debt Instrument, Redemption Period, End Date Redemption date Commitments and Contingencies Disclosure [Abstract] Receipt of mortgage servicing rights as proceeds from sales of loans Receipt of MSRs in mortgage loan sale transactions Receipt Of Mortgage Servicing Rights As Proceeds From Sales Of Loans Receipt of MSRs as proceeds from sales of loans. Receipt of MSRs in mortgage loan sale transactions Schedule Of Assets Sold Under Agreements To Repurchase [Table] Asset Sold under Agreement to Repurchase [Table] Repurchase agreement facilities Repurchase agreement facilities Interest Rate Sensitive Strategies [Member] Interest Rate Sensitive Strategies [Member] Interest rate sensitive strategies. Net Income (Loss) Available to Common Stockholders, Basic Net income attributable to common shareholders Increase (Decrease) in Due to Affiliates Increase (decrease) in due to PennyMac Financial Services, Inc. Committed Facilities [Member] Committed Facilities [Member] Debt Instrument Debt Instrument [Axis] Derivative Instrument Derivative Instrument [Axis] Derivative Financial Instruments, Assets [Member] Derivative Assets [Member] AB Carval [Member] AB Carval. Share-Based Payment Arrangement [Abstract] Other Factors [Member] Other Risk [Member] Other risk. Total Assets Total Assets Assets, Fair Value Disclosure Citigroup Global Markets Inc. [Member] Citigroup Global Markets Inc [Member] Citigroup Global Markets Inc. Fair value, Total SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Ending Balance SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Beginning Balance Loans held for investment at fair value Loans held for investment at fair value Loans held for investment at fair value ($10,866,292 and $8,530,939 pledged to creditors, respectively) Maximum daily amount outstanding Mortgage Loan Participation And Sale Agreement Maximum Daily Outstanding Mortgage loan participation and sale agreement maximum daily outstanding. Distressed loans [Member] Distressed Loans [Member] Distressed loans. Average shareholders' equity amounts used to calculate base management fee expense Average Shareholders Equity Amounts Used To Calculate Management Fee Expense Average shareholders' equity amounts used to calculate management fee expense. Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash provided by investing activities Loans Held For Sale [Member] Loans held for sale. Income attributable to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total Title of 12(b) Security Title of 12(b) Security Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Derivative and Credit Risk Transfer Strip Assets and Liabilities Derivative Instruments and Hedging Activities Disclosure [Text Block] Available amount for share repurchases Share Repurchase Program, Remaining Authorized, Amount Proceeds from sales Cash Flows Between Transferor and Transferee, Proceeds from New Transfers Schedule of Investment in Mortgage Backed Securities Activity Schedule Of Investment In Mortgage Backed Securities Activity Table [Text Block] Schedule of investment in mortgage backed securities activity. Commission Amount Commission Amount [Member] Commission amount. Related Party Related and Nonrelated Parties [Domain] Income Taxes Income Tax Disclosure [Text Block] Mortgage Loans on Real Estate [Line Items] Mortgage Loans On Real Estate [Line Items] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] Committed amount Committed Amount Committed amount. Pull-Through Rate [Member] Measurement Input Pull Through Rate [Member] Measurement input pull through rate. Mortgage Loans Held For Sale Outstanding Contractual Purchase Commitments Represents disclosure of amount of the company's contractual commitments to purchase recently originated mortgage loans. Commitments to purchase loans held for sale from PLS Collaborative Arrangement and Arrangement Other than Collaborative [Table] Late charges Late Fee Income Generated by Servicing Financial Assets, Amount Repayment of mortgage loan participation purchase and sale agreements Repayment Of Mortgage Loan Participation Purchase And Sale Agreements Repayment of mortgage loan participation purchase and sale agreements. Purchases and issuances Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases And Issuances Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Purchases And Issuances Unpaid Principal Balance of Loans Fulfilled By PLS Unpaid principal balance of loans fulfilled by PLS Unpaid principal balance of loans fulfilled by PLS. Consolidated Entities Consolidated Entities [Axis] Legal Entity Legal Entity [Axis] Income Tax Disclosure [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Weighted-average annual servicing fee rate (in basis points), Fair value input M S R At Fair Value Service Fee Annual Rate MSR at fair value service fee annual rate. Transfer To Agency Of Mortgage Servicing Rights Relating To Delinquent Loans Transfer to agency of mortgage servicing rights relating to delinquent loans. Transfers to Agency of mortgage servicing rights relating to delinquent loans Measurement Frequency Measurement Frequency [Domain] Common stock shares repurchase authorized amount before transaction fees Share Repurchase Program, Authorized, Amount Net Gains on Loans Acquired for Sale [Member] Statement of Income Location, Balance [Axis] Senior Notes [Member] Senior Notes [Member] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Mortgage-Backed Securities Mortgage Backed Securities Disclosure [Text Block] Mortgage backed securities. Trading Symbol Trading Symbol Base servicing fees per month Base Services Fees To Related Party Base Services Fees To Related Party Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Proceeds from Notes Payable, Total Issuance of notes payable secured by credit risk transfer and mortgage servicing assets Proceeds from Notes Payable CARES Act [Member] Coronavirus Aid Relief And Economic Security Act [Member] CARES Act. Derivative and credit risk transfer strip assets Derivative And Credit Risk Transfer Strip Assets Derivative and credit risk transfer strip assets. Total changes in fair value included in income Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities Changes In Fair Value Recorded In Income Financial instruments owned mortgages mortgage backed and asset backed securities changes in fair value recorded in income. Loans Held for Investment [Member] Loans held for investment. Assets sold under agreements to repurchase, At year end Assets sold under agreements to repurchase Assets Sold under Agreements to Repurchase, Repurchase Liability Subsequent Event Type [Axis] Fannie Mae Mortgage Servicing Rights Financing [Member] Fannie Mae mortgage servicing rights financing. Real Estate Owned, Transfer from Real Estate Owned Loans from REO Credit risk transfer arrangements Gain Loss On Credit Risk Transfer Arrangements Gain loss on credit risk transfer arrangements. Summary of Expenses Schedule Of Expenses Related To Transaction With Affiliate Table [Text Block] Schedule of expenses related to transaction with affiliate. Average MSR servicing portfolio Average Mortgage Servicing Rights Servicing Portfolio Average mortgage servicing rights servicing portfolio. September Two Thousand Twenty Three [Member] September Two Thousand Twenty Three. September 2023 [Member] Current through 89 days delinquent Fair Value Option Loans Held As Assets Ninety Days Or Less Past Due Aggregate Difference Aggregate difference between fair value and unpaid principal balance mortgage loans carried at fair value under the fair value option and less than 90 days past due. Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Recurring [Member] Fair Value, Recurring [Member] Fair value Balance at beginning of quarter Balance at end of quarter Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Fair Value Mortgage-backed securities at fair value pledged to creditors Mortgage-backed securities V I Es Loan [Member] VIEs loan member. Loans in Variable Interest Entities [Member] Sale of real estate acquired in settlement of loans Proceeds From Sale Of Real Estate Acquired In Settlement Of Loans Amount represents the cash inflows from the sale of real estate acquired in settlement of mortgage loans. Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Residential transition loans [Member] ResidentialTransitionLoans. Residential Transition Loans [Member] Agency Fixed Rate Pass Through Securities [Member] Agency Fixed Rate Pass Through Sections [Member] Agency fixed-rate pass-through sections. Agency Fixed Rate Pass Through [Member] Aggregation And Securitization [Member] Aggregation and Securitization. Aggregation and Securitization [Member] Over 90 days to 180 days [Member] Maturity Nine Zero To One Eight Zero Days [Member] Maturity of repurchase agreement over 90 days to 180 days. Equity Components Equity Components [Axis] Extended termination date of debt instrument Debt Instrument Extended Termination Date Debt instrument extended termination date. Mizuho Financial Group [Member] Mizuho Financial Group [Member] Mizuho Financial Group. Loan And Security Agreement With Citibank [Member] Loan And Security Agreement With Citibank [Member] Loan and security agreement with citibank member. Equity Component Equity Component [Domain] Summary of Share-Based Compensation Activity Share-Based Payment Arrangement, Activity [Table Text Block] 1.25% per annum of stockholders equity [Member] One Point Two Five Percent Of Stockholders Equity [Member] Represents the annualized rate at which the base portion of the management fee is calculated for shareholders' equity amounts in excess of $5 billion. Asset Class Asset Class [Axis] Percentage of performance incentive fee paid in Company's common shares Percentage Of Performance Incentive Fee Paid In Common Shares Represents the maximum percentage of performance incentive fee payable in shares of the Company's common stock. SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Axis] Percentage Of Right To Purchase Nongovernment Insured Or Guaranteed Loans Percentage of right to purchase non-government insured or guaranteed loans. Percentage of right to purchase non-government insured or guaranteed loans Carrying Value Of Credit Risk Transfer Agreements [Abstract] Carrying Value of Credit Risk Transfer Agreements [Abstract] Carrying value of credit risk transfer arrangements: Wells Fargo Securities L L C Wells Fargo Securities L L C [Member] Wells Fargo Securities, LLC. Increase Decrease In Margin Deposits Outstanding Investing Activities The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position reported in investing activities. Decrease (increase) in margin deposits Decrease (increase) in margin deposits Measurement Input, Loss Severity [Member] Measurement Input, Loss Severity Custodial funds managed by the Company Loans Managed And Securitized Custodial Funds Managed Represents custodial funds managed relating to mortgage loans sold and serviced by the company. Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Share-based compensation, Shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Trading Activity, by Type Trading Activity, by Type [Domain] Fair value measurement with unobservable inputs reconciliation recurring basis accrual of unearned discount. Fair value measurement with unobservable inputs reconciliation recurring basis accrual of unearned discount Accrual of unearned discount Schedule Of Investment Income Reported Amounts By Category [Line Items] Net Investment Income [Line Items] Freddie Mac Credit Agreements [Member] Freddie Mac Credit Agreements [Member] Freddie mac credit agreements. Other Assets [Abstract] Unsecured senior notes. Unsecured Senior Notes [Member] Unsecured Senior Notes Unsecured Senior Notes [Member] Real estate acquired in settlement of loans Real Estate Acquired Through Foreclosure Remeasured During Period Period-end carrying value of real estate acquired in settlement of loans re-measured during the period. Net investment income: Net investment income Investment Income, Net [Abstract] Maximum [Member] Maximum [Member] Equity Distribution Agreement [Member] Equity Distribution Agreement [Member] Equity Distribution Agreement. Number of shares exchanged per exchangeable notes Debt Instrument, Convertible, Conversion Ratio Schedule Of Compliance With Regulatory Capital Requirements For Mortgage Companies [Table] Banking Regulation, Mortgage Banking, Capital Requirement [Table] Schedule of Preferred Shares of Beneficial Interest Schedule of Stock by Class [Table Text Block] Credit Risk [Member] Credit Risk [Member] Statistical Measurement Statistical Measurement [Axis] Mortgage Loans Acquired for Sale [Member] Mortgage Loans Acquired For Sale [Member] Mortgage loans acquired for sale. Loans acquired for sale [Member] Common Stock, Value, Issued Common shares of beneficial interest, $0.01 par value - authorized, 500,000,000 issued and outstanding, 87,191,663 and 87,016,604 shares, respectively Gains Losses Recognized On Credit Risk Transfer Agreements Gains losses recognized on credit risk transfer agreements. Gains recognized on gross derivative related to credit risk transactions Nomura Holdings America, Inc [Member] Nomura Holdings America Inc [Member] Nomura holdings america Inc. Diluted net income (loss) attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Diluted net (loss) income attributable to common shareholders Fair Value inputs, Annual per loan cost of servicing during period Fair value input annual per loan cost of servicing during period. Fair Value Input Annual Per Loan Cost Of Servicing During Period Daiwa Capital Markets America Inc. [Member] Daiwa Capital Markets America Inc [Member] Daiwa Capital Markets America, Inc. [Member] 2024 Exchangeable Notes and 2026 Exchangeable Notes [Member] Exchangeable Senior Notes Due Two Thousand And Twenty Four And Two Thousand And Twenty Six [Member] Exchangeable senior notes due two thousand and twenty four and two thousand and twenty six. Floating Rate Collateralized Mortgage Obligations Member Floating rate collateralized mortgage obligations. Floating Rate Collateralized Mortgage Obligations [Member] 90 or more days delinquent: Unpaid Balance Mortgage Loans Sold With Continuing Involvement Delinquent Ninety Days Or More [Abstract] Unpaid Balance Mortgage Loans Sold With Continuing Involvement Delinquent Ninety Days Or More [Abstract] Schedule of Contractual Maturities on Long Term Debt Obligations Long Term Debt By Maturity Table [Text Block] Represents table detailing aggregate annual maturities on long-term debt obligations (based on final maturity dates). Correspondent lending receivables Due from Correspondent Brokers Dividends on preferred shares Preferred Stock Dividends, Income Statement Impact Dividends on preferred shares of beneficial interest Loans acquired for sale at fair value Interest and Fee Income, Loan, Mortgage, Held-for-Sale Loans held for sale Hedging derivatives Gain (Loss) on Sale of Derivatives CRT Derivatives [Member] Credit Risk Transfer Derivatives Credit Risk Transfer Derivatives [Member] Credit risk transfer derivatives. PennyMac Financial Services, Inc. [Member] Pennymac Financial Services Inc [Member] PennyMac Financial Services Inc. Mortgage-backed securities at fair value. Mortgage Backed Securities At Fair Value [Member] Mortgage-backed securities at fair value [Member] Mortgage Backed Securities at Fair Value [Member] Remaining Loss Expectation [Member] Measurement Input Remaining Loss Expectation [Member] Measurement input remaining loss expectation. Taxable REIT Subsidiary [Member] Taxable R E I T Subsidiary [Member] Taxable REIT Subsidiary [Member] TRS [Member] Preferred stock, shares authorized Preferred Stock, Shares Authorized Government Guaranteed Or Insured [Member] Government Guaranteed Or Insured [Member] Government guaranteed or insured. Accounts payable and accrued liabilities interest payable Interest Payable, Current Common overhead incurred by PCM and its affiliates Reimbursement Of Common Overhead Incurred By Affiliates Reimbursement of common overhead incurred by affiliates. Common overhead MBS Put Options [Member] Mortgage Backed Securities Put Options [Member] Mortgage Backed Securities Put Options [Member] Net income exceeds 10% [Member] Net Income Exceeds Ten Percentage [Member] Represents a threshold percentage for calculating the performance incentive portion of the Company's management fee. Payment, Tax Withholding, Share-Based Payment Arrangement Payment of vested share-based compensation tax withholdings 1.375% per annum of stockholders equity [Member] One Point Three Seven Five Percent Of Stockholders Equity [Member] Represents the annualized rate at which the base portion of the management fee is calculated for shareholders' equity amounts between $2 billion and $5 billion. Mortgage Servicing Rights Recapture Fees Mortgage servicing rights recapture fees. Mortgage servicing rights recapture fees Pledged Assets Separately Reported Loan Pledged As Collateral At Fair Value Pledged assets separately reported loan pledged as collateral at fair value. Loans held for investment at fair value, pledged to creditors Loans held for investment at fair value, pledged to creditors Fannie Mae [Member] Federal National Mortgage Association Certificates and Obligations (FNMA) [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Over 180 Days to 1 Year [Member] Maturity One Eight Zero Days To One Year [Member] Maturity of repurchase agreement over 180 days to 1 year. 90 or more days delinquent, not in foreclosure Fair Value Option Loans Held As Assets Not In Foreclosure Aggregate Fair Value Fair value of mortgage loans carried at fair value under the fair value option, more than 90 days past due and not in foreclosure. Proceeds from Sale, Loan, Mortgage, Held-for-Sale Sale to nonaffiliates and repayment of loans held for sale Ginnie Mae Mortgage Loans [Member] Ginnie Mae Mortgage Loans [Member] Ginnie Mae mortgage loans. Loans acquired for sale at fair value [Member] Mortgage Loans Acquired For Sale At Fair Value [Member] Total Aggregate difference between fair value and unpaid principal balance mortgage loans carried at fair value under the fair value option. Mortgage Loans Acquired For Sale At Fair Value [Member] Subsequent Events [Abstract] Other Assets Other Assets Disclosure [Text Block] Assets Sold Under Agreements To Repurchase Funded under committed facilities Assets Sold Under Agreements To Repurchase Amount of funds outstanding borrowed in the form of an asset repurchase agreement between PMT and another party for the sale and repurchase of identical or substantially the same assets at a date certain for a specified price. Banking and Thrift, Interest [Abstract] Gain Loss On Asset Backed Financing At Fair Value Gain loss on asset backed financing at fair value. Asset-backed financings Asset-backed financings of variable interest entities at fair value Fixed-rate and prepayment sensitive assets and SOFR - indexed repurchase agreements [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Consolidated Entities Consolidated Entities [Domain] Exchangeable Senior Notes [Member] Exchangeable senior notes. Exchangeable Senior Notes [Member] Income Tax Expense (Benefit), Total Income Tax Expense (Benefit) (Benefit from) provision for income taxes Provision for (benefit from) income taxes Recurring [Member] Measurement Frequency [Axis] Citibank, N.A. [Member] Citibank, N.A. [Member] Citibank [Member] Citibank. Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Cash losses: Cash Portion Of Loss On Mortgage Loans Acquired For Sale [Abstract] Cash portion of loss on mortgage loans acquired for sale. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Summary Of Mortgage Servicing Rights [Table] Summary Of Mortgage Servicing Rights [Table] Summary of mortgage servicing rights. Interest Rate Lock Commitments [Member] Interest Rate Lock Commitments with PFSI [Member] Interest Rate Lock Commitments [Member] Net Loan Servicing Fees [Member] Fees And Commissions Mortgage Banking And Servicing [Member] Fees and commissions mortgage banking and servicing. Convertible Debt [Table Text Block] Summary of Financial Information Relating to Unsecured Senior Notes Morgan Stanley & Co. LLC [Member] Morgan Stanley Co L L C [Member] Morgan stanley & co. Llc member Income Tax [Line Items] Income Tax [Line Items] Income tax. Net (loss) gain on investments Gain (Loss) on Investments Net (losses) gains on investments and financings Total share units granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Realized Realized Gains Losses Recognized On Credit Default Swaps Represents the net gains or losses realized pursuant to credit risk transfer agreements. Derivative and CRT strips: Derivative And Credit Risk Transfer Strips [Abstract] Derivative and credit risk transfer strips. Payments for (Proceeds from) Short-Term Investments, Total Payments for (Proceeds from) Short-Term Investments Net decrease (increase) in short-term investments Total assets Total assets at end of quarter Assets CRT Derivatives [Member] Net Derivative Related To Credit Risk Transfer Transactions [Member] Net Derivative Related To Credit Risk Transfer Transactions [Member] Credit Risk Transfer / CRT Derivatives [Member] Income Statement [Abstract] Net mortgage loan servicing fees Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset Non-cash financing activities: Supplemental Non Cash Financing Activities [Abstract] Supplemental Non Cash Financing Activities [Abstract] Due from PFSI-Miscellaneous receivables Financing Receivable, before Allowance for Credit Loss, Noncurrent Weighted Average [Member] Weighted Average [Member] Gain (Loss) on Sales of Loans, Net, Total Gain (Loss) on Sales of Loans, Net Net gains on loans held for sale Net gains on loans held for sale Net gains on loans held for sale at fair value SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Domain] Held For Sale To Nonaffiliates [Member] Held for sale to nonaffiliates. Gain (Loss) on Investments [Member] Net (Losses) Gains on Investments and Financings [Member] Total share units vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Basic earnings (losses) per share Diluted Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] Schedule of Segment Reporting Information, by Segment [Table Text Block] Financial Highlights by Segment 9.00% Senior Notes Due 2030 [Member] Senior Notes One Due Two Thousand Thirty [Member] Senior notes one due two thousand thirty. Preferred stock redemption share Auction Market Preferred Securities, Shares, Redeemed Aggregate principal amount Issuance of debt through private offering Senior Notes, Noncurrent Purchase Commitment, Excluding Long-term Commitment Purchase Commitment, Excluding Long-Term Commitment [Domain] Credit Derivatives Contract Type Credit Derivatives Contract Type [Axis] Dividends, Common Stock, Total Common share dividends Dividends, Common Stock City Area Code City Area Code Fair Values and Related Principal Amounts Due upon Maturity of Mortgage Loans Accounted for Under Fair Value Option Fair Value Option, Disclosures [Table Text Block] Trading Activity Trading Activity [Axis] Schedule Of Net Gain Loss On Mortgage Loans Held For Sale Table [Text Block] Schedule of net gain loss on mortgage loans held for sale. Schedule of Net Gains on Investments and Financings Series 2023-VF1 and Class A-VF1 Variable Funding Note Series 2023 VF1 and Class A VF1 Variable Funding Note. Series 2023 VF1 and Class A VF1 Variable Funding Note [Member] PennyMac Loan Services, LLC [Member] Penny Mac Loan Services Llc [Member] Penny Mac Loan Services LLC. Fannie Mae M S R Financing Fannie Mae M S R Financing [Member] Fannie mae M S R financing. Fannie Mae MSR Financing Uncommitted Facilities [Member] Uncommitted Facilities [Member] Recognition Of Loans Held For Investment Resulting From Initial Consolidation Of Variable Interest Entities Recognition of loans held for investment resulting from initial consolidation of variable interest entities. Recognition of loans held for investment resulting from initial consolidation of variable interest entities Aggregate loan amount Notes Issued Debt Instrument, Face Amount Schedule Of Investment In Mortgage Backed Securities Table [Text Block] Schedule of investment in mortgage backed securities. Schedule of Investments in Mortgage Backed Securities Fair Value Unpaid Principal Balance Of Underlying Loans Represents unpaid principal balance of loans underlying ESS. Fair value, Unpaid principal balance of underlying loans Credit risk transfer strip liabilities Carrying Value Of Credit Risk Transfer Strips Liabilities Carrying value of credit risk transfer strips liabilities. Line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Variable Interest Entity, Not Primary Beneficiary [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Estimated fair value inputs, Prepayment speed Fair Value Inputs Annual Prepayment Speed Fair value inputs, annual total prepayment speed. Fair value inputs, Prepayment speed Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Change in fair value recognized during the quarter relating to liability UPB of loans subject to representations and warranties at end of quarter Guarantee Obligations Recourse Provision Unpaid Principal Balance Of Mortgage Loans Subject To Representations And Warranties Unpaid principal balance of mortgage loans subject to representations and warranties made by the company at period-end. Counterparty Name Counterparty Name [Domain] Over 30 to 90 days [Member] Maturity 30 to 90 Days [Member] Mortgage loan participation purchase and sale agreements Interest Expense Mortgage Loan Participation Purchase And Sale Agreement Represents the interest expense related to mortgage loans participation purchase and sale agreement. Senior Notes Due Two Thousand Thirty [Member] Senior notes due two thousand thirty. 9.00% Senior Notes Due 2030 [Member] Quantitative Summary of Key Assumptions Used in Valuation of MSRs as of Dates Presented, and Effect on Estimated Fair Value from Adverse Changes in Those Inputs Fair Value Inputs And Sensitivity Analysis Of Fair Value Adverse Change In Assumptions At Period End Table [Text Block] Fair Value Inputs And Sensitivity Analysis Of Fair Value Adverse Change In Assumptions At Period End [Table Text Block] Base management fee annual rate Related Party Base Management Fee As Percentage Of Stock Holders Equity Represents the base management fee rate based on shareholders' equity as defined that existed before February 1, 2013. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Deposits Securing Credit Risk Transfer Arrangements [Member] Deposits securing credit risk transfer arrangements [Member] Deposits securing credit risk transfer arrangements. Bank of America, N.A. [Member] Bank of America, N.A. [Member] Bank Of America Na [Member] Bank Of America Na [Member] Disclosure of Credit Derivatives [Table Text Block] Summary of Derivative and Credit Risk Transfer Strip Assets and Liabilities March Five Twenty Twenty One [Member] March five twenty twenty one. March 5, 2021 [Member] Derivative liabilities Total derivative liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Mortgage servicing rights pledged to creditors Mortgage Servicing Rights Pledged To Creditors Mortgage servicing rights pledged to creditors. Credit Risk Transfer Strips [Member] Credit Risk Transfer Strips [Member] Credit risk transfer strips. Management Agreement Expiration Date Management agreement expiration date. Management agreement expiration date Assets, Total [Member] Fair Value Assets Gains Losses [Member] Fair Value Assets Gains Losses [Member] MBS yield, average number of year Mortgage Backed Security Yield Average Number Of Year Mortgage-backed security yield average number of year. Operating Cash Flows, Direct Method [Abstract] 90 days or more Delinquent Amount In C O V I D19 Pandemic Related Forbearance At End Of Period On Loans Managed And Securitized Ninety Days Or More Delinquent amount in COVID-19 pandemic related forbearance at end of period on loans managed and securitized ninety days or more. Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Share-based compensation, Amount Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures March 15, 2024 and Thereafter [Member] Cumulative Dividends From March Fifteen Two Thousand Twenty Four And Thereafter [Member] Cumulative Dividends From March Fifteen Two Thousand Twenty Four And Thereafter. Mortgage servicing rights relating to delinquent loans to Agency Transfer of mortgage servicing rights relating to delinquent loans to Agency Transfer Of Mortgage Servicing Rights Relating To Delinquent Loans To Agency Transfer of mortgage servicing rights relating to delinquent loans to agency. 90-180 days delinquent Delinquent Amount In C O V I D19 Pandemic Related Forbearance At End Of Period On Loans Managed And Securitized Ninety To One Hundred And Eighty Days Delinquent amount in COVID19 pandemic related forbearance at end of period on loans managed and securitized ninety to one hundred and eighty days. Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash at beginning of quarter Cash at end of quarter Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Accumulated Deficit [Member] Retained Earnings [Member] Servicing Fee Multiple [Member] Measurement Input Servicing Fee Multiple [Member] Measurement input servicing fee multiple. Share-Based Payment Arrangement, Noncash Expense, Total Compensation expense relating to share-based grants Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Transaction fees Payments of Stock Issuance Costs Pursuant to loan sales Provisions For Representations And Warranties Losses Provisions for representations and warranties losses recognized during the period. Pursuant to loan sales Distressed at Fair Value [Member] Mortgage Loans In Distressed Mortgage Loan Portfolio At Fair Value [Member] Mortgage Loans In Distressed Mortgage Loan Portfolio At Fair Value [Member] Summary of Transfer Cash to Fund Loan Servicing Advances Summary Of Loans And Advances Table [Text Block] Summary of loans and advances. Loans, difference, [Abstract] Fair Value, Option, Loans Held as Assets, Aggregate Difference [Abstract] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Class Of Stock [Line Items] Class of Stock [Line Items] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Balance Notes payable secured by credit risk transfer and mortgage servicing assets Notes Payable Assets Sold Under Agreements to Repurchase and Notes payable secured by credit risk transfer and mortgag servicing assets Short Term Debt [Line Items] Short-Term Debt [Line Items] Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Changes in fair value recognized during the quarter relating to assets Unamortized debt issuance costs Unamortized Debt Issuance Expense Management fees Management Fee Payable Secured Debt Secured Debt [Member] Summary of Financing Activities Summary Of Financing Transactions With Affiliate Table [Text Block] Summary Of Financing Transactions With Affiliate [Table Text Block] 1.5% per annum of stockholders equity [Member] One Point Five Percent Of Stockholders Equity [Member] Represents the annualized rate at which the base portion of the management fee is calculated for shareholders' equity amounts below $2 billion. Unpaid principal balance Debt Instrument Unpaid Principal Balance Debt instrument unpaid principal balance. Principal amount MBS Call Options [Member] Mortgage Backed Securities Call Options [Member] Mortgage backed securities call options. Derivative Contract Derivative Contract [Domain] Floating Rate [Member] Variable Annuity [Member] Effect on value of percentage adverse change, Fair value input Fair Value Input Effect On Value Of Percentage Adverse Change Effect on fair value of MSRs carried at fair value of a specified adverse change in the value of an input. Maximum aggregate offering price Maximum Aggregate Offering Price Maximum Aggregate Offering Price Summary Of Investment In Subordinate Mortgage Backed Securities Table [Text Block] Summary of investment in subordinate mortgage backed securities. Summary of Investment in Senior and Subordinate MBS Backed by Assets Held in Consolidated VIEs Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Unpaid principal balance of loans outstanding Mortgage Loans At Fair Value Disclosure [Text Block] This element represents the fair value disclosures of non-correspondent lending loans, their further classification by types and the geographical segregation of loans considering their origination. Loans Held for Investment at Fair Value Summary of Potentially Dilutive Shares Excluded from Computation of Diluted Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Proceeds From Repurchase Of Mortgage Loans Subject To Representation And Warranties Cash outflow and inflow to repurchase mortgage loans previously sold and which are being repurchased due to a breach of the Company's breach of a representation or warranty under which the loan was sold. Repurchase of loans subject to representations and warranties Entity Interactive Data Current Entity Interactive Data Current Interest shortfall on repayments of loans serviced for Agency securitizations Interest Expense On Mortgage Loans Serviced For Agency Securitizations Represents interest incurred relating to mortgage-backed securities secured by mortgage loans in the company's loan servicing portfolio whereby the underlying loans prepaid during the period and the company as servicer of the mortgage-backed security is obligated to pass through the interest for the entire month and the borrower is only required to pay interest through the date of payoff during the month. Twenty Twenty M B S Agreement Renewed and Amended [Member] Twenty twenty M B S agreement renewed and amended. 2020 MBS Agreement Renewed and Amended [Member] Payments for Advance to Affiliate Payments and settlements during the quarter Payments and settlements during the period SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract] Income Statement Location Statement of Income Location, Balance [Domain] Capitalization of interest and fees Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Capitalization Of Interest And Fees Fair value measurement with unobservable inputs reconciliation recurring basis capitalization of interest and fees. Fair Value Measurement [Domain] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Mortgage Backed Securities [Line Items] Mortgage Backed Securities [Line Items] Mortgage backed securities. Weighted average maturity (in months) Repurchase Agreements Weighted Average Maturity Period Repurchase Agreements Weighted Average Maturity Period Accretion (Amortization) of Discounts and Premiums, Investments Accrual of unearned discounts and amortization of purchase premiums on mortgage-backed securities, loans held for investment, and asset-backed financings, net Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] CommittedFacilitiesMember Funded Under Committed Facilities [Member] Funded Under Committed Facilities [Member] Funded under committed facilities. Investment Properties [Member] Investment Properties [Member] Investment properties. Bankruptcy Unpaid Balance Of Mortgage Loans Subject To Credit Guarantee On Credit Risk Transfer Agreements Delinquent Bankruptcy Unpaid balance of mortgage loans subject to credit guarantee on credit risk transfer agreements delinquent bankruptcy. Deposits Securing Credit Risk Transfer Arrangements Represents cash deposited to secure the company's obligation under credit risk transfer arrangements. Deposits securing credit risk transfer arrangements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Change in instrument-specific credit risk\Other factors Loans Change In Fair Value Relating To Mortgage Loans Still Held At Period End Represents the change in fair value of mortgage loans still held at period end. Schedule of mortgage aggregation activity affiliate [Table Text Block] Schedule of mortgage aggregation activity affiliate. Summary of Mortgage Aggregation Activity and Other Loan Purchases Expenses incurred on the Company’s behalf, net Reimbursement Of Expenses To Affiliate Net Reimbursement of expenses to affiliate net. Dividends declared per common share Common Stock, Dividends, Per Share, Declared Cumulative Effect, Period of Adoption Cumulative Effect, Period of Adoption [Domain] 2023 Senior Notes. Two Thousand Twenty Three Senior Notes [Member] 2023 Senior Notes [Member] Entity Tax Identification Number Entity Tax Identification Number Repurchase Agreements and Similar Transactions, Maturity Periods Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Summary of Credit Risk Transfer Agreements Schedule Of Credit Risk Transfer Agreements Table [Text Block] Schedule of Credit Risk Transfer Agreements [Table Text Block] Foreclosure Unpaid Balance Of Mortgage Loans Subject To Credit Guarantee On Credit Risk Transfer Agreements Delinquent Foreclosure Unpaid balance of mortgage loans subject to credit guarantee on credit risk transfer agreements delinquent foreclosure. Repayment of notes payable secured by credit risk transfer and mortgage servicing assets Repayments of Notes Payable Effect On Value Of Ten Percentage Adverse Change Effect On Value Of Ten Percentage Adverse Change [Member] Effect on value of 10% adverse change. Long-term Debt, Type Long-Term Debt, Type [Axis] Brokers and Dealers [Abstract] Short-Term Debt [Abstract] Tangible net worth / total assets ratio, Required Banking Regulation, Tangible Capital Ratio, Capital Adequacy, Minimum Gain (Loss) on Sales of Mortgage-Backed Securities (MBS) Mortgage-backed securities Change in fair value of mortgage servicing rights Change In Fair Value Of Mortgage Servicing Rights Change In Fair Value Of Mortgage Servicing Rights Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Offsetting Liabilities [Table] Offsetting Liabilities [Table] Total Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Mortgage Loan Participation Purchase And Sale Agreement [Table] Mortgage Loan Participation Purchase And Sale Agreement [Table] Mortgage loan participation purchase and sale agreement. Mortgage servicing rights hedging results Hedging Gains And Losses On Mortgage Servicing Assets Net Hedging Gains And Losses On Mortgage Servicing Assets Net. Local Phone Number Local Phone Number Available borrowing capacity Securities Sold Under Agreements Available Borrowing Capacity Securities Sold Under Agreements Available Borrowing Capacity Margin deposits received from derivative counterparties, net Margin Deposit Assets Liabilities Margin deposit assets liabilities. Margin deposits (received from) placed with derivative counterparties included in derivative balances above, net Credit Risk Transfer Strips [Abstract] Credit risk transfer strips. Credit risk transfer strips Average investment in loans acquired for sale at fair value Average Balance During Period For Loans Acquired For Sale Average balance during period for loans acquired for sale. Average investment in loans acquired for sale Related Party Transaction [Domain] Placement fees relating to custodial funds Interest Income On Mortgage Loans Subject To Placement Fees Relating To Custodial Funds Interest income on mortgage loans subject to placement fees relating to custodial funds. Recapture rate Recapture Rate Recapture rate . Net Interest Expense Interest Income and Interest Expense Disclosure [Text Block] Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Total grant date value of share units Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Grant Date Fair Value The weighted average fair value at grant date for nonvested restricted share units issued during the period. 2026 Exchangeable Notes [Member] Two Thousand Twenty Six Exchangeable Notes [Member] 2026 Exchangeable Notes. Losses incurred Representations and warranties recoveries (losses),net. Representations And Warranties Recoveries Losses Net Losses incurred, net Financial instruments Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, Liability Offset Percentage of deduction from taxable income Percentage Of Deduction From Taxable Income For Ordinary R E I T Dividends Percentage of deduction from taxable income for ordinary REIT dividends. Schedule Of Financing Receivable Recorded Investment Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Mortgage Loan Participation Purchase And Sale Agreement [Line Items] Mortgage Loan Participation Purchase And Sale Agreement [Line Items] Mortgage loan participation purchase and sale agreement. Accounting Policies [Abstract] Exchange Rate Exchange rate. Exchange rates Summary of Derivative Assets, Financial Instruments and Collateral Held by Counterparty Schedule Of Derivative And Financial Assets By Significant Counterparty Not Offset Table [Text Block] Represents summary by counterparty of derivative asset positions. Previously Reported [Member] Previously Reported [Member] Offsetting Liabilities [Line Items] Offsetting Liabilities [Line Items] Broker-Dealer [Abstract] J.P. Morgan Securities LLC [Member] J P Morgan Securities L L C [Member] J.P. Morgan Securities LLC. Class of Stock Class of Stock [Domain] Conversion Rate Conversion rate. Conversion rates Sale of Stock, Transaction Date Sale of Stock, Transaction Date Compensation Labor and Related Expense Interest and Fee Income, Loan, Held-for-Investment Interest and fee income from mortgage loans considered to be held-for-investment. Loans held for investment Fair value input annual per loan cost of servicing. Fair Value Input Annual Per Loan Cost Of Servicing Estimated fair value inputs, Annual per-loan cost of servicing March 30, 2021 [Member] Thirty March Two Thousand Twenty One [Member] Thirty march two thousand twenty one. Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] 30-89 days Delinquent Amount In C O V I D19 Pandemic Related Forbearance At End Of Period On Loans Managed And Securitized Thirty To Eighty Nine Days Delinquent amount in COVID-19 pandemic related forbearance at end of period on loans managed and securitized thirty to eighty nine days. Not in foreclosure Delinquent Amount At End Of Period On Loans Managed And Securitized Ninety Days Or More Not In Foreclosure Delinquent amount at end of period on loans managed and securitized ninety days or more not in foreclosure or bankruptcy. Entity Emerging Growth Company Entity Emerging Growth Company Forward Purchase Contracts [Member] Forward Purchase Contract [Member] Forward Purchase Contract [Member] Tangible net worth / total assets ratio, Actual Banking Regulation, Tangible Capital Ratio, Actual At period end: Period End [Abstract] Period end. Hedging activities Mortgage Loan Hedging Activities Cash Gain Loss Cash gains (losses) realized pursuant to mortgage loan hedging activities.