Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Payments for aircraft rental fees Payments For Aircraft Rental Fees Payments For Aircraft Rental Fees Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Net income (loss) attributable to Class A common shareholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Carrying Amount Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Weighted average effective interest rate Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Common stock, $0.0001 par value Common Stock, Value, Issued UWM Holdings Corporation UWM Holdings Corporation [Member] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Accrued compensation and benefits Employee-related Liabilities Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Net reserves and transaction costs on sales of servicing rights Net reserves and transaction costs on sales of servicing rights Servicing Asset At Fair Value, Reserves And Transaction Costs On Disposal Servicing Asset At Fair Value, Reserves And Transaction Costs On Disposal Derivative Instrument [Axis] Derivative Instrument [Axis] Fair value, beginning of period Fair value, end of period Mortgage servicing rights Servicing Asset at Fair Value, Amount Cash savings Loss Contingency, Cash Savings, Percent Loss Contingency, Cash Savings, Percent Warrants to purchase (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Annual prepayment speeds (as a percent) Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed Provision for current expected credit losses Accounts Receivable, Allowance for Credit Loss Amendment Flag Amendment Flag Investment securities at fair value, pledged Retained Interest, Fair Value Disclosure Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Repayments of finance lease liabilities Finance Lease, Principal Payments Warehouse lines of credit Warehouse Lines Of Credit Facility Warehouse Lines Of Credit Facility. Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Decrease in fair value of warrants liability Fair Value Adjustment of Warrants Increase in deferred tax asset Increase (Decrease) in Deferred Income Taxes Member's Equity: Members' Equity [Abstract] Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization Consolidation And Presentation Of Financial Statements [Line Items] Line items representing organization consolidation and presentation of financial statements. Related Party Transactions Related Party Transactions Disclosure [Text Block] Servicing Asset at Fair Value, Amount [Roll Forward] Servicing Asset at Fair Value, Amount [Roll Forward] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Unvested - beginning of period (in shares) Unvested - end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number MRA Facility And Conventional MSR Facility MRA Facility And Conventional MSR Facility [Member] MRA Facility And Conventional MSR Facility Notional Amount Derivative, Notional Amount Basic (in shares) Weighted average shares of Class A common stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Organization Consolidation And Presentation Of Financial Statements [Table] Organization Consolidation And Presentation Of Financial Statements [Table] Schedule of organization consolidation and presentation of financial statements. Schedule of Net Payments to Various Companies Schedule of Related Party Transactions [Table Text Block] Margin calls on borrowings against investment securities Proceeds/(Payments) For Margin Calls For Investment Securities Payments For Margin Calls For Investment Securities Borrowings against investment securities Secured Debt Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Line Of Credit Due August 3, 2027 Line Of Credit Due August 3, 2027 [Member] Line Of Credit Due August 3, 2027 Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Naming rights agreement period Other Commitments, Period Other Commitments, Period Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Accounts Receivable, Net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] MSR and excess servicing sales Servicing Asset at Fair Value, Disposals Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation and Consolidation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income (loss) attributable to Class A common shareholders Net Income (Loss) Available to Common Stockholders, Basic Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Net Vested In Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Net Vested In Period Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Schedule of Analysis of Change in Fair Value Schedule of Servicing Assets at Fair Value [Table Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Minimum net worth requirement Banking Regulation, Mortgage Banking, Net Worth, Minimum Due to changes in valuation inputs and assumptions Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Margin deposits Margin Deposit Assets Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other Revision of Prior Period, Reclassification, Adjustment [Member] Mat Ishbia [Member] Mat Ishbia Accounting Standards Issued but Not Yet Effective New Accounting Pronouncements, Policy [Policy Text Block] Non-controlling Interest Noncontrolling Interest [Member] Change in fair value of mortgage servicing rights Change In Fair Value Of Mortgage Servicing Rights, Net Change In Fair Value Of Mortgage Servicing Rights, Net Fair value of investment securities pledged Securities Loaned, Fair Value of Collateral Use of Estimates Use of Estimates, Policy [Policy Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Non-controlling Interests Noncontrolling Interest Disclosure [Text Block] Repayments under secured lines of credit Repayments of Lines of Credit Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Rights offering issuance (in shares) Stock Offering Program, Authorized, Number Of Shares Stock Offering Program, Authorized, Number Of Shares Exercise price of warrants (in usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Carrying amount Long-Term Debt Line Of Credit Due February 9, 2027 Line Of Credit Due February 9, 2027 [Member] Line Of Credit Due February 9, 2027 Document Period End Date Document Period End Date Net cash provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Investment securities at fair value, pledged Retained Interest Retained Interest Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Face amount Debt Instrument, Face Amount Cost of servicing Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Cost of Servicing Estimated rate of prepayments of principal on servicing assets and servicing liabilities cost of servicing. Security Exchange Name Security Exchange Name Maturity period (in months) Debt Instrument, Term Secondary Market Investor [Domain] Banking Regulation, Mortgage Banking, Secondary Market Investor [Domain] Increase in TRA liability Tax Receivable Agreement, Liability, Increase (Decrease) During Period Tax Receivable Agreement, Liability, Increase (Decrease) During Period Common Class B Common Class B [Member] Entity Shell Company Entity Shell Company Receivables from sales of servicing Receivables From Sale Of Servicing Receivables From Sale Of Servicing Number of shares authorized for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Operating Segment Segment Reporting, Policy [Policy Text Block] Finance lease right-of-use asset, net (includes $19.6 million and $20.7 million, respectively, with related parties) Finance lease right of use asset, related party Finance Lease, Right-of-Use Asset, after Accumulated Amortization Due to changes in valuation inputs and assumptions, net Servicing Asset At Fair Value, Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions, Net Servicing Asset At Fair Value, Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions, Net Warehouse Line of Credit Warehouse Line of Credit [Member] Warehouse Line of Credit. Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings (loss) per share of Class A common stock (see Note 17): Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Additions Representation and Warranty Reserve, Charged To Operations Representation and Warranty Reserve, Charged To Operations Line Of Credit Due May 14, 2027 Line Of Credit Due May 14, 2027 [Member] Line Of Credit Due May 14, 2027 Document Fiscal Period Focus Document Fiscal Period Focus Increase in TRA asset Tax Receivable Agreement, Asset, Increase (Decrease) During Period Tax Receivable Agreement, Asset, Increase (Decrease) During Period Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] MSRs sold Servicing Asset Sold Servicing Asset Sold Summary of Mortgage Servicing Rights Servicing Asset at Amortized Cost [Table Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol 2030 Senior Notes, due 2/1/30 Senior Unsecured Notes Due February 1, 2030 [Member] Senior Unsecured Notes Due February 1, 2030 Purchases of premises and equipment, and capitalization of internal-use software Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Loan servicing income Loan servicing income Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Organization Organization [Policy Text Block] Organization [Policy Text Block] + 20% adverse change – effect on value, prepayment speeds Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Prepayment Speed Income Tax Disclosure [Abstract] Origination receivables Accounts Receivable from Securitization Reserve for representations and warranties Reserve For Representations And Warranties Reserve for representations and warranties. Derivative liability Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Ownership Percentage by Parent (in percent) Subsidiary, Ownership Percentage, Parent Outstanding principal Long-Term Debt, Gross Rights offering share price percentage of weighted average price per share Stock Offering Program, Shares Authorized, Price Per Share Percentage Stock Offering Program, Shares Authorized, Price Per Share Percentage Representation And Warranty Reserve [Roll Forward] Representation And Warranty Reserve [Roll Forward] Representation And Warranty Reserve Initial term Line Of Credit Facility, Initial Term Line Of Credit Facility, Initial Term 2031 Senior Notes, due 3/15/31 Senior Unsecured Notes Due March 15, 2031 [Member] Senior Unsecured Notes Due March 15, 2031 Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] + 10% adverse change – effect on value, discount rate Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Discount Rate Other receivables Other Receivables, Net, Current Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Ownership percent Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted average shares of Class A common stock outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Borrowings under secured lines of credit Proceeds from Lines of Credit Line Of Credit Due December 17, 2026 Line Of Credit Due December 17, 2026 [Member] Line Of Credit Due December 17, 2026 Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Accrued distributions and dividends payable Dividends Payable Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Marketing, travel, and entertainment Travel and Entertainment Expense Current aggregate committed amount Line of Credit Facility, Current Borrowing Capacity General and administrative Other expenses Other General and Administrative Expense + 20% adverse change – effect on value, cost of servicing Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of 20 Percent Adverse Change in Cost Servicing Sensitivity analysis of fair value of interests continued to be held by transferor servicing assets or liabilities impact of 20 percent adverse change in cost servicing. Capitalization of mortgage servicing rights Mortgage Servicing Rights Capitalized Mortgage Servicing Rights Capitalized Award Timing Predetermined Award Timing Predetermined [Flag] Restricted cash Restricted Cash, Current Number of classes of stock Number Of Classes Of Stock Number Of Classes Of Stock Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Capitalization of MSRs Servicing Asset at Fair Value, Additions Investor payables Investor Payable Investor Payable Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Summary of Reconciliation of Changes in Mortgage Loans at Fair Value Fair Value Option, Disclosures [Table Text Block] Unvested - beginning of period (in usd per share) Unvested - end of period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] IRLCs Interest Rate Lock Commitments [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Naming rights agreement, terminable period Other Commitment, Termination Period Other Commitment, Termination Period Line Of Credit Due February 19, 2027 Line Of Credit Due February 19, 2027 [Member] Line Of Credit Due February 19, 2027 Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Long-term debt, fair value Long-Term Debt, Fair Value Changes in fair value: Servicing Asset At Fair Value, Change In Fair Value [Abstract] Servicing Asset At Fair Value, Change In Fair Value Plan Name [Domain] Plan Name [Domain] Scenario [Domain] Scenario [Domain] Regulatory Capital Requirements for Mortgage Companies, by Secondary Market Investor [Axis] Banking Regulation, Mortgage Banking, Secondary Market Investor [Axis] Operating lease right-of-use asset (includes $90.3 million and $93.4 million, respectively, with related parties) Operating lease right of use asset, related party Operating Lease, Right-of-Use Asset Legal fees Legal Fees Line Of Credit Due October 8, 2026 Line Of Credit Due October 8, 2026 [Member] Line Of Credit Due October 8, 2026 Calculation of Basic and Diluted Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] Secured lines of credit Outstanding amount Long-Term Line of Credit Renewal term Line Of Credit Facility, Renewal Term Line Of Credit Facility, Renewal Term Servicing Assets at Fair Value [Line Items] Servicing Assets at Fair Value [Line Items] Expiration Date Trading Arrangement Expiration Date Servicing fees payable Accrued Professional Fees Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Pullthrough rate (weighted avg.) Derivative Asset, Measurement Input Nonrelated Party Nonrelated Party [Member] Total liabilities Financial Liabilities Fair Value Disclosure Net proceeds from sale of mortgage servicing rights Proceeds from Sale of Mortgage Servicing Rights (MSR) Class A common stock dividends Dividends, Common Stock Loans repurchased Payments For Repurchase Of Loans Payments For Repurchase Of Loans Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Number of votes Common Stock, Voting Rights, Number Common Stock, Voting Rights, Number 2027 Senior Notes, due 6/15/27 Senior Unsecured Notes Due June 15, 2027 [Member] Senior Unsecured Notes Due June 15, 2027 Common stock, shares authorized Common Stock, Shares Authorized Summary of RSU Activity Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block] Stock sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Exercise Price Award Exercise Price Changes in fair value of mortgage servicing rights Servicing Asset At Fair Value, Changes In Fair Value Servicing Asset At Fair Value, Changes In Fair Value CASH FLOWS FROM INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Unrecognized compensation related to unvested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] SFS Corp SFS Corp [Member] SFS Corp Due to collection/realization of cash flows and other Due to collection/realization of cash flows and other Servicing Asset At Fair Value, Settlements Servicing Asset At Fair Value, Settlements Lender Name [Axis] Lender Name [Axis] Accounts receivable, net Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss + 10% adverse change – effect on value, cost of servicing Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of 10 Percent Adverse Change in Cost Servicing Sensitivity analysis of fair value of interests continued to be held by transferor servicing assets or liabilities impact of 10 percent adverse change in cost servicing. Mortgage Banking [Abstract] Warehouse and Other Secured Lines of Credit Debt Disclosure [Text Block] Accrued interest and bank fees Interest Payable Scenario [Axis] Scenario [Axis] Line Of Credit Due February 17, 2027 Line Of Credit Due February 17, 2027 [Member] Line Of Credit Due February 17, 2027 Unamortized debt issuance costs and discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Summary of Loan Servicing Income Schedule Of Fees Recognized In Exchange For Servicing Financial Assets [Table Text Block] Schedule Of Fees Recognized In Exchange For Servicing Financial Assets Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Secured Debt Secured Debt [Member] Loans eligible for repurchase from Ginnie Mae Loans Receivable, Fair Value Disclosure Mortgage loans, unpaid principal balance Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Aggregate gross proceeds Sale of Stock, Consideration Received on Transaction Total related party net payments Costs and Expenses Adoption Date Trading Arrangement Adoption Date Stated Interest Rate Interest rate Debt Instrument, Interest Rate, Stated Percentage Mortgage servicing rights Servicing Asset Assets Assets [Abstract] Late, ancillary and other fees Late And Ancillary Fee Income Generated By Servicing Financial Assets, Amount Late And Ancillary Fee Income Generated By Servicing Financial Assets, Amount Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] Change in fair value of mortgage servicing rights Change In Fair Value Of Mortgage Servicing Rights, Gross Change In Fair Value Of Mortgage Servicing Rights, Gross Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] FLSCs Forward Loan Sale Commitments [Member] Forward loan sale commitments. Operating lease liability (includes $96.4 million and $99.7 million, respectively, with related parties) Operating lease liabilities, related party Operating Lease, Liability Insider Trading Policies and Procedures [Line Items] Related Party Transactions Related Party Transactions [Policy Text Block] Related party transactions [Policy Text Block]. Finance lease liability (includes $22.0 million and $22.9 million, respectively, with related parties) Finance lease liabilities, related party Finance Lease, Liability Accounts Payable, Accrued Expenses and Other Accounts Payable and Accrued Liabilities Disclosure [Text Block] Class A Common Stock Warrants at $2.00 Class A Common Stock Warrants at $2.00 [Member] Class A Common Stock Warrants at $2.00 Other financing activities Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Schedule of Lines of Credit Schedule of Line of Credit Facilities [Table Text Block] Private Placement Private Placement [Member] Business Combination [Domain] Business Combination [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments RSU Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Weighted Average Weighted Average [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Income Taxes And Tax Receivable Agreement Income Tax, Policy [Policy Text Block] Net cash (used in) provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Derivative liabilities Increase (Decrease) in Derivative Liabilities Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Schedule of Compliance with Regulatory Capital Requirements for Mortgage Companies [Table] Banking Regulation, Mortgage Banking, Capital Requirement [Table] Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Preferred stock dividend rate Preferred Stock, Dividend Rate, Percentage Expenses Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Other Commitments [Domain] Other Commitments [Domain] City Area Code City Area Code Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Dividends paid to Class A common stockholders Payments of Dividends Name Forgone Recovery, Individual Name Unvested awards, period for recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] 2020 Plan 2020 UWM Holdings Corporation Omnibus Incentive Plan [Member] 2020 UWM Holdings Corporation Omnibus Incentive Plan Statement [Line Items] Statement [Line Items] Total assets Assets Common units (in shares) Common Unit, Outstanding Entity [Domain] Entity [Domain] Interest expense Interest Expense, Operating Preferred stock, shares issued Preferred Stock, Shares Issued Derivative settlements receivable Derivative Settlement Receivable Derivative Settlement Receivable Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Mortgage loans at fair value Mortgage loans at fair value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Loans eligible for repurchase from Ginnie Mae Loans Payable, Fair Value Disclosure Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Derivative settlements payable Derivative Settlements Payable Derivative Settlements Payable Other assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] Minimum liquidity requirement Banking Regulation, Mortgage Banking, Liquidity, Minimum Banking Regulation, Mortgage Banking, Liquidity, Minimum Loans Eligible for Repurchase from Ginnie Mae Loans [Policy Text Block] Loans, Policy [Text Block] Stock-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Granted (in usd per share) Granted fair value (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Naming Rights And Sponsorship Agreement Naming Rights And Sponsorship Agreement [Member] Naming Rights And Sponsorship Agreement Common Class C Common Class C [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Payables and Accruals [Abstract] Retained Earnings Retained Earnings [Member] Total expenses Operating Expenses Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, over Time Revolving Credit Facility Revolving Credit Facility [Member] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Series A Preferred Stock Series A Preferred Stock [Member] Forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Quantitative Information on Recurring Level 3 Fair Value Financial Instruments Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares, outstanding Balance at beginning of period (in shares) Balance at end of period (in shares) Common stock outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in usd per share) Earnings (loss) per share of Class A common stock outstanding - diluted (in usd per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation GNMA MSR Facility GNMA MSR Facility [Member] GNMA MSR Facility Total Shareholder Return Amount Total Shareholder Return Amount Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Ownership [Domain] Ownership [Domain] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Mortgage Servicing Rights [Line Items] Mortgage Servicing Rights [Line Items] Mortgage Servicing Rights [Line Items] Line of Credit Due September 29, 2026 Line Of Credit Due September 29, 2026 [Member] Line Of Credit Due September 29, 2026 Share-Based Payment Arrangement [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Premises and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Summary of Ownership of Units Schedule of Stockholders Equity [Table Text Block] Financial Instruments [Domain] Financial Instruments [Domain] Derivative assets Derivative assets Derivative Asset Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Other gains (losses), net Other Gains (Losses), Net Other Gains (Losses), Net Underlying Securities Award Underlying Securities Amount Estimated Fair Value Estimate of Fair Value Measurement [Member] Regulatory Net Worth Requirements Regulatory Capital Requirements for Mortgage Companies Disclosure [Text Block] Common Class D Common Class D [Member] Common Class D Other accrued expenses Other Accrued Liabilities Number of share available for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Sale of Stock [Axis] Sale of Stock [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Gain (loss) on other interest rate derivatives Derivative, Gain (Loss) on Derivative, Net Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Required payment of cash savings Loss Contingency, Required Payment, Cash Savings, Percent Loss Contingency, Required Payment, Cash Savings, Percent Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Fair value adjustment Mortgage Loans Fair Value Adjustment Mortgage loans fair value adjustment. Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Stock-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Member distributions to SFS Corp. Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Contractual servicing fees Contractually Specified Servicing Fees, Amount Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Senior notes Senior Notes Common stock, shares, issued Common Stock, Shares, Issued Measure: Measure [Axis] Other gains (losses) Other Gains (Losses) [Abstract] Other Gains (Losses) Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Class of Stock [Line Items] Class of Stock [Line Items] Cash paid for taxes Income Tax Paid, after Refund Received Activity of Representation and Warranties Reserve Movement In Representation And Warranty Reserve [Table Text Block] Movement In Representation And Warranty Reserve Common Class A Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Net income (loss) attributable to non-controlling interest Net income (loss) attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Deferred tax liability Deferred Income Tax Liabilities, Net + 10% adverse change – effect on value, prepayment speeds Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 10 Percent Adverse Change in Prepayment Speed Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Termination Date Trading Arrangement Termination Date Other Commitments [Axis] Other Commitments [Axis] Noncontrolling Interest [Table] Noncontrolling Interest [Table] Holdings, LLC Holdings, LLC [Member] Holdings, LLC Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Debt redemption price (in percent) Debt Instrument, Redemption Price, Percentage Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Local Phone Number Local Phone Number Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Decrease (increase) in: Increase (Decrease) in Operating Assets [Abstract] Earnings (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total revenue Revenues Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Margin call payable Margin Call Payable Margin Call Payable Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Series A-1 Preferred Stock Series A-1 Preferred Stock [Member] Series A-1 Preferred Stock Pullthrough rate (weighted avg.) Measurement Input, Pull Through Rate [Member] Measurement Input, Pull Through Rate Servicing costs Servicing costs Servicing costs. Executive Category: Executive Category [Axis] Line Of Credit Due June 15, 2027 Line Of Credit Due June 15, 2027 [Member] Line Of Credit Due June 15, 2027 Summary of Key Assumptions Used in Determining the Fair Value Schedule of Assumptions for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Table Text Block] Increase (decrease) in: Increase (Decrease) in Operating Liabilities [Abstract] Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Liabilities and equity Liabilities and Equity [Abstract] Mortgage Loans at Fair Value Mortgages Held for Sale Fair Value Disclosure [Text Block] Mortgages held for sale fair value disclosure. Other accounts payable Accounts Payable, Other Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Minimum capital ratio Minimum Capital Ratio Minimum Capital Ratio Fair Value Measurements Fair Value Disclosures [Text Block] Loan production income Gain (Loss) on Sales of Loans, Net Level 3 Fair Value, Inputs, Level 3 [Member] Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Representations and warranties reserve Standard and Extended Product Warranty Accrual SUPPLEMENTAL INFORMATION Supplemental Cash Flow Information [Abstract] Debt redemption price, percent of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Ownership Percentage by Noncontrolling Owners (in percent) Subsidiary, Ownership Percentage, Noncontrolling Owner Accounts payable, accrued expenses and other Total accounts payable, accrued expenses and other Accounts Payable and Accrued Liabilities PEO Name PEO Name MSR Facility MSR Facility [Member] MSR Facility Series A-2 Preferred Stock Series A-2 Preferred Stock [Member] Series A-2 Preferred Stock Repayments of borrowings against investment securities Repayments of Secured Debt Other assets Other Assets Servicing advances Servicing Advances Servicing Advances Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Balance, beginning of period Balance, end of period Representation And Warranty Reserve Representation And Warranty Reserve Direct loan production costs Direct Loan Production Costs Direct loan production costs. CASH AND CASH EQUIVALENTS, BEGINNING OF THE PERIOD CASH AND CASH EQUIVALENTS, END OF THE PERIOD Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Line Of Credit Due November 26, 2027 Line Of Credit Due November 26, 2027 [Member] Line Of Credit Due November 26, 2027 Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Salaries, commissions, and benefits Labor and Related Expense Summary of Senior Unsecured Notes Schedule of Debt [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in usd per share) Earnings (loss) per share of Class A common stock outstanding - basic (in usd per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Award Type [Axis] Award Type [Axis] Percentage of beneficial interests in securitized assets (in percent) Percentage Of Beneficial Interest In Securitized Assets Percentage Of Beneficial Interest In Securitized Assets Other interest rate derivatives Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Premiums paid on mortgage loans Receivable with Imputed Interest, Premium Retained earnings Retained Earnings (Accumulated Deficit) Decrease (increase) in fair value of investment securities Change In Fair Value Of Retained Interest Change In Fair Value Of Retained Interest Line Of Credit Due February 5, 2027 Line Of Credit Due February 5, 2027 [Member] Line Of Credit Due February 5, 2027 Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Borrowings against investment securities Proceeds from Issuance of Secured Debt Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Revolving Credit Agreement Revolving Credit Agreement [Member] Revolving Credit Agreement Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Noncontrolling Interest [Abstract] Class A Common Stock Warrants at $6.00 Class A Common Stock Warrants at $6.00 [Member] Class A Common Stock Warrants at $6.00 Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Derivative Contract [Domain] Derivative Contract [Domain] TRA liability Tax Receivable Agreement, Liability Tax Receivable Agreement, Liability Equity Awards Adjustments Equity Awards Adjustments [Member] Net repayments under warehouse lines of credit Proceeds From (Payments For) Borrowings Under Warehouse Lines Of Credit Net Proceeds from borrowings under warehouse lines of credit net. Ginnie Mae, Freddie Mac and Fannie Mae FNMA, FHLMC And GNMA [Member] FNMA, FHLMC And GNMA Total liabilities and equity Liabilities and Equity Mortgage loans at fair value Increase (Decrease) in Loan, Mortgage, Held-for-Sale Employee Stock Option Share-Based Payment Arrangement, Option [Member] Non-controlling interest Equity, Attributable to Noncontrolling Interest Schedule of Servicing Assets at Fair Value [Table] Servicing Asset at Fair Value, Activity [Table] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Related Party [Domain] Related and Nonrelated Parties [Domain] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Line of Credit, EF Line Of Credit With Early Funding, EF [Member] Line Of Credit With Early Funding, EF Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Loss realized, net of adjustments Representation and Warranty Reserve, Realized Gains (Losses) Representation and Warranty Reserve, Realized Gains (Losses) Other expense (income) Other Nonoperating Income (Expense) Other Borrowings Long-Term Debt [Text Block] Schedule of Accounts Payable, Accrued Expenses and Other Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Proceeds from principal payments on investment securities Proceeds from Collection of Retained Interest in Securitized Receivables Preferred stock, shares authorized Preferred Stock, Shares Authorized Re-measurement of non-controlling interest due to change in parent ownership and other Noncontrolling Interest, Remeasurement Due To Change In Parent Ownership Noncontrolling Interest, Remeasurement Due To Change In Parent Ownership Preferred stock, $0.0001 par value - 100,000,000 shares authorized, none issued and outstanding as of June 30, 2026 or December 31, 2025 Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Line of Credit, ASAP program Line Of Credit With Early Funding, ASAP [Member] Line Of Credit With Early Funding, ASAP Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Naming rights and sponsorship agreement expense Other Commitment Hedging Designation [Axis] Hedging Designation [Axis] Commitments to extend credit to potential borrowers Commitments To Extend Credit To Potential Borrowers Commitments to extend credit to potential borrowers. Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets Assets, Fair Value Disclosure Mortgage Servicing Rights [Table] Mortgage Servicing Rights [Table] Mortgage Servicing Rights [Table] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Derivative asset Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] + 20% adverse change – effect on value, discount rate Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of 20 Percent Adverse Change in Discount Rate Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Preferred stock original issue price (in usd per share) Preferred Stock, Original Issue Price Preferred Stock, Original Issue Price Interest income Interest and Fee Income, Financing Receivable Additional  Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Re-measurement of non-controlling interest due to change in parent ownership and other (in shares) Shares acquired (in shares) Noncontrolling Interest, Increase from Sale of Parent Equity Interest, Shares Issued During Period Noncontrolling Interest, Increase from Sale of Parent Equity Interest, Shares Issued During Period MSR Mortgage servicing rights Mortgage Servicing Rights [Member] Mortgage Servicing Rights [Member] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Rights offering share price (in usd per share) Stock Offering Program, Shares Authorized, Price Per Share Stock Offering Program, Shares Authorized, Price Per Share Cash and cash equivalents (includes restricted cash of $21.0 million and $21.0 million, respectively) Cash and Cash Equivalent Rights offering issuance Stock Offering Program, Authorized Amount Stock Offering Program, Authorized Amount Rent and other occupancy related fees, net Operating Lease, Expense Ownership percentage (in percent) Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Company Selected Measure Amount Company Selected Measure Amount Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Depreciation & amortization Depreciation, Depletion and Amortization Discount rates (as a percent) Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Stock-based compensation (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Schedule of Stock by Class [Table] Stock, Class of Stock [Table] 2029 Senior Notes, due 4/15/29 Senior Unsecured Notes Due April 15, 2029 [Member] Senior Unsecured Notes Due April 15, 2029 Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Member distributions paid to SFS Corp. Payments of Distributions to Affiliates Derivative liabilities Derivative liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Provision (benefit) for income taxes Income Tax Expense (Benefit) Ownership Percentage (in percent) Noncontrolling Interest, Ownership Percentage Noncontrolling Interest, Ownership Percentage Award Timing Method Award Timing Method [Text Block] DECREASE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Mortgage Servicing Rights Transfers and Servicing of Financial Assets [Text Block] Derivative blended weighted average pullthrough rate Interest Rate Lock Commitment Pull Through Rate Interest Rate Lock Commitment Pull Through Rate Net income (loss) attributable to UWM Holdings Corporation Net income (loss) attributable to UWM Holdings Corporation Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Differences not subject to TRA Tax Receivable Agreement, Asset, Increase (Decrease) During Period, Temporary Differences Tax Receivable Agreement, Asset, Increase (Decrease) During Period, Temporary Differences Excess Servicing Cash Flows Excess Servicing Cash Flows [Member] Excess Servicing Cash Flows Servicing fees Servicing Fee Receivables Servicing Fee Receivables Derivative assets Increase (Decrease) in Derivative Assets Number of classes of equity Number of classes of economic shares authorized Number Of Classes Of Equity Number Of Classes Of Equity Revenue Revenues [Abstract] Organization, Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]