Document and Entity Information [Abstract] Document Information [Table] Legal Entity [Axis] Entity [Domain] Entity [Domain] Represents information pertaining to Employee Benefit Plan 001. E B P 001 [Member] RETIREMENT SAVINGS PLAN Document Information [Line Items] Document Type Entity Registrant Name Entity Central Index Key Amendment Flag Statements of Net Assets Available for Benefits EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] Statements of Net Assets Available for Benefits EBP, Asset [Abstract] ASSETS: Amount of cash and cash equivalents related to employee benefit plan (EBP)). E B P, Cash And Cash Equivalents Cash and cash equivalents EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Investments at fair value Total Investments at Fair Value EBP, Receivable [Abstract] RECEIVABLES: EBP, Participant Contribution, Receivable Employee contributions EBP, Employer Contribution, Receivable Employer contributions EBP, Note Receivable from Participant Notes receivable from participants Amount of settlement receivable in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Settlement Receivable Settlements pending Amount of receivable arising from merger of plans in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Merger Receivable Transfer from Stericycle, Inc. 401(k) Retirement Plan EBP, Other Receivable Other EBP, Receivable Total receivables EBP, Net Asset Available for Benefit End of year Beginning of year NET ASSETS AVAILABLE FOR BENEFITS Net assets available for benefits per the financial statements Statement of Changes in Net Assets Available for Benefits EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Statement of Changes in Net Assets Available for Benefits EBP, Change in Net Asset Available for Benefit, Increase [Abstract] ADDITIONS TO NET ASSETS AVAILABLE FOR BENEFITS EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Employee EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash Employer EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollover EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in Plan investments EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Dividends EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Interest income on notes receivable from participants Amount of increase in net asset available for benefit from other income to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Changes In Net Asset Available For Benefit, Increase, Other Income Other income EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] DEDUCTIONS FROM NET ASSETS AVAILABLE FOR BENEFITS EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease Total deductions Amount of increase (decrease) in net asset available for benefit to participant before transfer to (from) in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan , Change in Net Asset Available for Benefit, Increase (Decrease), Before Transfer To (From) Plan NET INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS BEFORE TRANSFER EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan Transfer in from other plans Amount of increase (decrease) in net asset available for benefit to participant before transfer to (from) in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan , Change in Net Asset Available for Benefit, Increase (Decrease), After Transfer To (From) Plan NET INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS AFTER TRANSFERS EBP, Net Asset Available for Benefit [Abstract] NET ASSETS AVAILABLE FOR BENEFITS Description of the Plan EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] Description of Plan Plan Termination EBP, Description of Plan [Text Block] Description of Plan Summary of Accounting Policies EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] Summary of Accounting Policies EBP, Summary of Accounting Policy [Text Block] Summary of Accounting Policies No definition available. Employee Benefit Plan, Investments [Abstract] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] Investment in Stable Value Fund Fair Value Measurements The entire disclosure for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), Employee Benefit Plan, Investments [Text Block] Investment in Stable Value Fund Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Fair Value Measurements Federal Income Taxes EBP, Tax Status [Table] EBP, Tax Status [Line Items] Federal Income Taxes EBP, Tax Status [Text Block] Federal Income Taxes Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Reconciliation of Financial Statements to Form 5500 No definition available. Plan Termination EBP, Plan Termination [Text Block] Plan Termination Related-Party Transactions EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] Related-Party Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Related-Party Transactions EBP, Schedule of Delinquent Participant Contribution [Abstract] EBP, Schedule of Delinquent Participant Contribution [Table] EBP, Schedule of Delinquent Participant Contribution [Line Items] Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions EBP, Schedule of Delinquent Participant Contribution [Table Text Block] Schedule H, Line 4(a) - Schedule of Delinquent Participant Contributions EBP, Schedule of Asset Held for Investment [Abstract] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] Schedule H, Line 4(i) - Schedule of Assets EBP, Schedule of Asset Held for Investment [Table Text Block] Schedule H, Line 4(i) - Schedule of Assets EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Use of Estimate [Policy Text Block] Use of Estimates EBP, Investment [Policy Text Block] Investments EBP, Contribution [Policy Text Block] Contributions EBP, Risk and Uncertainty [Policy Text Block] Risks and Uncertainties Disclosure of accounting policy for reclassifications of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Reclassification Policy [Policy Text Block] Reclassifications EBP, Investment, Fair Value and NAV [Table Text Block] Schedule of Plan's Assets Fair Value Hierarchy EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] Reconciliation of net assets available for benefits per the financial statements Represents the minimum service period for plan eligibility under (employee benefit plan (EBP)). Employee Benefit Plan, Minimum Service Period For Plan Eligibility Minimum service period for Plan eligibility Percentage of maximum pretax eligible annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation. BP, Participant Contribution, Pretax, Maximum Eligible Annual Compensation to Total Compensation, Percentage Percentage of maximum eligible annual compensation as contribution by employee Percentage of maximum pretax annual incentive plan bonus that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation. BP, Participant Contribution, Pretax, Maximum Annual Incentive plan Bonus to Total Compensation, Percentage Percentage of maximum annual incentive plan as contribution by employee EBP, Employer Contribution, Matching Percentage Percentage of matching contribution EBP, Employer Contribution, Participant Compensation Matched, Percentage Percentage of matching contribution for employee earnings Percentage of employer matching contribution on additional participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Employer Contribution, Matching Percentage On Additional Contribution Percentage of matching contribution on additional contribution Percentage of additional participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan , Employer Contribution, Additional Participant Compensation Matched, Percentage Percentage of matching contribution for employee earnings on additional contribution EBP, Forfeited Nonvested Account Nonvested Forfeitures, Unclaimed Distributions and Other EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Amount used to pay contributions and plan expenses Represent the number of investments in common collective trust. Employee Benefit Plan, Number Of Common Collective Trusts Invested Number of common collective trust Represent the number of investments in target collective trusts. Employee Benefit Plan, Number Of Target Retirement Date Funds Invested Number of target retirement funds Represent the number of investments in mutual funds. Employee Benefit Plan, Number OF Mutual Funds Invested Number of mutual funds EBP, Investment Program, Single Participation Status [Extensible Enumeration] Represents the participant age requirement for withdrawal from account balance of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Participant Age For Withdrawal from Account Balance Participant age for withdrawal from account balance EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Minimum borrowing amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Maximum borrowing percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Maximum borrowing amount Represents the threshold number of loans outstanding from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable from Participant Account, Threshold Number Of Loans Outstanding Threshold number of loans outstanding Represents the threshold number of loans that can be taken by the participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable from Participant Account, Threshold Number of Loan Taken By Each Participants Threshold number of loans taken by participants The maximum term of the loan borrowed by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Note Receivable from Participant Account, Maximum Loan Term Borrowings term Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Mutual Fund [Member] Mutual funds EBP, Employer, Common Stock [Member] WMI common stock EBP, Self-Directed Brokerage Account [Member] Self-directed brokerage accounts Common Collective Trust [Member] Common collective trust funds Represents information pertaining to fedfund. Employee Benefit Plan, Fedfund [Member] FedFund Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Quoted Prices in Active Markets (Level 1) Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 3 [Member] Level 3 Fair Value Measured at Net Asset Value Per Share [Member] Investments Measured at Net Asset Value EBP, Tax Determination Letter, Obtained [true false] Determination letter obtained EBP, Tax Determination Letter, Date Determination letter date EBP, Form 5500 Caption, Net Assets [Abstract] Reconciliation of net assets available for benefits Amount of increase (decrease) from asset allocated, but not yet paid, to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Increase (Decrease) From Allocation to Withdrawing Participant, Not yet Paid, Amounts pending distribution to participants EBP, Form 5500 Caption, Net Assets Net assets available for benefits per the Form 5500 EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Reconciliation of the net increase in net assets available for benefits EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Net increase in net assets available for benefits per the financial statements Amount of increase in net asset available for benefit from amount allocated, but not yet paid, in prior period to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile benefit payment per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Prior Period, Increase from Allocation to Withdrawing Participant, Not yet Paid Amounts pending distribution to participants as of December 31, 2024 Amount of increase in net asset available for benefit from amount allocated, but not yet paid, in current period to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile benefit payment per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC). EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Current Period, Increase from Allocation to Withdrawing Participant, Not yet Paid Amounts pending distribution to participants as of December 31, 2025 EBP, Form 5500 Caption, Net Income (Loss) Net increase in assets available for benefits per the Form 5500 Entity Tax Identification Number EBP, Plan Number Plan Number EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan Participant Contributions Transferred Late to Plan EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP Contributions Corrected Outside VFCP EBP, Schedule of Delinquent Participant Contribution, Corrected Total Fully Corrected Under VFCP and PTE 2001-51 Investment, Identifier [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Maximum [Member] Maximum EBP, Asset Held for Investment, Party-in-Interest [true false] Asset Held for Investment, Party-in-Interest EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Total Investments, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Notes receivable from participants, current value EBP, Investment, Interest Rate Notes receivable from participants, percentage EBP, Asset Held for Investment Current Value