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Disclosure - Loan Sales and Servicing Activities - Summary of Mortgage Servicing Portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Netting of Financial Instruments - Offsetting of Derivative Assets (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - Netting of Financial Instruments - Derivative Assets, Financial Assets, and Collateral Held by Counterparty (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - Netting of Financial Instruments - Offsetting of Derivative and Financial Liabilites (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Fair Value - Financial Statement Items Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Fair Value - Level 3 Input Roll Forward, Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 40703 - Disclosure - Netting of Financial Instruments (Details) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 40704 - Disclosure - Netting of Financial Instruments (Details 2) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 40705 - Disclosure - Fair Value - Fair Value Option Maturities, Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 40706 - Disclosure - Fair Value - Measurement Basis, Nonrecurring (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Mortgage Loans Held for Sale at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 40805 - Disclosure - Fair Value (Details 4) (Calc 2) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Mortgage Servicing Rights (Activity in MSRs at fair value) (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Mortgage Servicing Rights (Activity in MSRs carried at lower of Amortize Cost or FV) (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Mortgage Servicing Rights (Estimate of future amortization) (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - Mortgage Servicing Rights (Servicing, late, ancillary and other fees relating to MSRs) (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - Borrowings - Maturities of Outstanding Advances Under Repurchase Agreements (Details) link:presentationLink link:calculationLink link:definitionLink 41205 - Disclosure - Borrowings - Mortgage Loan Particpation and Sale Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Net Gains on Mortgage Loans Held for Sale (Details) link:presentationLink link:calculationLink link:definitionLink 41701 - Disclosure - Net Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 42101 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 42202 - Disclosure - Segments and Related Information - Financial Hilights by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Concentration of Risk link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Transactions with Affiliates link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Earnings Per Share of Common Stock link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Loan Sales and Servicing Activities link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Netting of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Mortgage Loans Held for Sale at Fair Value link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Mortgage Servicing Rights link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Carried Interest Due from Investment Funds link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Borrowings link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Liability for Losses Under Representations and Warranties link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Noncontrolling Interest link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Net Gains on Mortgage Loans Held for Sale link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - Net Interest Expense link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - Stock-based Compensation link:presentationLink link:calculationLink link:definitionLink 11901 - Disclosure - Supplemental Cash Flow Information link:presentationLink link:calculationLink link:definitionLink 12001 - Disclosure - Regulatory Net Worth and Agency Capital Requirements link:presentationLink link:calculationLink link:definitionLink 12101 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 12201 - Disclosure - Segments and Related Information link:presentationLink link:calculationLink link:definitionLink 12301 - Disclosure - Recently Issued Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 12401 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Transactions with Affiliates (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Earnings Per Share of Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Loan Sales and Servicing Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Netting of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Mortgage Loans Held for Sale at Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Mortgage Servicing Rights (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Carried Interest Due from Investment Funds (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Borrowings (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Liability for Losses Under Representations and Warranties (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Noncontrolling Interest (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - Net Gains on Mortgage Loans Held for Sale (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - Net Interest Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 31803 - Disclosure - Stock-based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 31903 - Disclosure - Supplemental Cash Flow Information (Tables) link:presentationLink link:calculationLink link:definitionLink 32003 - Disclosure - Regulatory Net Worth and Agency Capital Requirements (Tables) link:presentationLink link:calculationLink link:definitionLink 32103 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 32203 - Disclosure - Segments and Related Information (Tables) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Concentration of Risk (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Transactions with Affiliates - Correspondent Production (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - Transactions with Affiliates - Investing and Financing Activities (Details) link:presentationLink link:calculationLink link:definitionLink 40305 - Disclosure - Transactions with Affiliates - Investing and Financing Activities - additional information (Details) link:presentationLink link:calculationLink link:definitionLink 40306 - Disclosure - Transactions with Affiliates - Other transactions, Conditional Reimbursement (Details) link:presentationLink link:calculationLink link:definitionLink 40307 - Disclosure - Transactions with Affiliates - Other Transactions, Reimbursement of Common Overhead Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 40310 - Disclosure - Transactions with Affiliates - Exchanged Private National Mortgage Acceptance Company, LLC Unitholders (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Loan Sales and Servicing Activities - Summary of Cash Flows with Transferees (Details) link:presentationLink link:calculationLink link:definitionLink 40503 - Disclosure - Loan Sales and Servicing Activities - Geographical Distriubtion of Loans (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - Netting of Financial Instruments - Derivative Liabilites, Financial Liabilities, and Collateral Held by Counterparty (Details) link:presentationLink link:calculationLink link:definitionLink 40703 - Disclosure - Fair Value - Changes in Fair Value, Fair Value Option, Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 40704 - Disclosure - Fair Value - Changes in Fair Value, Relating to Financial Statement Items (Details) link:presentationLink link:calculationLink link:definitionLink 40707 - Disclosure - Fair Value - Level 3 Unobservable Inputs, Mortgage Loans and IRLC (Details) link:presentationLink link:calculationLink link:definitionLink 40708 - Disclosure - Fair Value - Level 3 Unobservable Inputs, Mortgage Servicing Rights - Initial Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 40709 - Disclosure - Fair Value - Level 3 Unobservable Inputs, Mortgage Services Rights, Effect of Change In Inputs on Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 40710 - Disclosure - Fair Value - Level 3 Unobservable Inputs, ESS (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Derivative Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 41005 - Disclosure - Mortgage Servicing Rights (Mortgage servicing liabilities carried at FV) (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Carried Interest Due from Investment Funds (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Borrowings - Assets Sold Under Agreement to Repurchase (Details) link:presentationLink link:calculationLink link:definitionLink 41204 - Disclosure - Borrowings - Mortgage Loans Sold Under Agreement to Repurchase by Counterparty (Details) link:presentationLink link:calculationLink link:definitionLink 41206 - Disclosure - Borrowings - Note Payable (Details) link:presentationLink link:calculationLink link:definitionLink 41207 - Disclosure - Borrowings - Obligations Under Capital Lease (Details) link:presentationLink link:calculationLink link:definitionLink 41208 - Disclosure - Borrowings - ESS (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Liability for Losses Under Representations and Warranties (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Income Taxes - Effective Tax Rates (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Noncontrolling Interest (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Disclosure - Stock-based Compensation - Compensation Expense by Award (Details) link:presentationLink link:calculationLink link:definitionLink 41802 - Disclosure - Stock-based Compensation - Activity of Equity Awards (Details) link:presentationLink link:calculationLink link:definitionLink 41901 - Disclosure - Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 42001 - Disclosure - Regulatory Net Worth and Agency Capital Requirements (Details) link:presentationLink link:calculationLink link:definitionLink 42201 - 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