Document and Entity Information Document Information [Table] Legal Entity [Axis] Entity [Domain] Represents the information pertaining to EBP 002. E B P 002 [Member] Fifth District Savings Bank 401(k) Plan Document Information [Line Items] Document and Entity Information Document Type Entity Registrant Name Entity Central Index Key Amendment Flag SCHEDULE I - Form 5500 - Assets, Liabilities, Income and Expenses EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] SCHEDULE I - Form 5500 - Assets, Liabilities, Income and Expenses EBP, Plan Name Plan name EBP, Plan Number Plan number Entity Tax Identification Number Employer Identification Number EBP, Form 5500 Caption, Net Assets [Abstract] Plan Assets and Liabilities: EBP, Form 5500 Caption, Total Assets Total plan assets EBP, Form 5500 Caption, Total Liabilities Total plan liabilities EBP, Form 5500 Caption, Net Assets Net plan assets EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Income, Expenses, and Transfers for this Plan Year: EBP, Form 5500 Caption, Contributions, Employers Employers contributions received or receivable EBP, Form 5500 Caption, Contributions, Participants Participants contributions received or receivable EBP, Form 5500 Caption, Contributions, Other Others (including rollovers) contributions received or receivable EBP, Form 5500 Caption, Noncash Contributions Noncash contributions EBP, Form 5500 Caption, Other Income Other income EBP, Form 5500 Caption, Total Income Total income EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits Benefits paid (including direct rollovers) EBP, Form 5500 Caption, Corrective Distributions Corrective distributions EBP, Form 5500 Caption, Certain Deemed Distributions of Participant Loans Certain deemed distributions of participant loans EBP, Form 5500 Caption, Total Administrative Expenses Administrative service providers (salaries, fees, and commissions) Amount of decrease in net asset available for benefit from other expenses as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). 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). Employee Benefit Plan, Form 5500 Caption, Other Expenses Other expenses EBP, Form 5500 Caption, Total Expenses Total expenses EBP, Form 5500 Caption, Net Income (Loss) Net income (loss) EBP, Form 5500 Caption, Transfers of Assets to (from) this Plan Transfers to (from) the plan SCHEDULE I - Form 5500 EBP, Schedule of Reportable Transaction [Table] EBP, Schedule of Reportable Transaction [Line Items] SCHEDULE I - Form 5500 The entire disclosure of Forn 5500 relating to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Employee Benefit Plan, Form 5500 [Text Block] SCHEDULE I - Form 5500 SCHEDULE I - Form 5500 - Assets Held at Year End EBP, Schedule of Asset Held for Investment [Table] Investment Type [Axis] Investments [Domain] EBP, Employer, Common Stock [Member] Employer common stock EBP, Schedule of Asset Held for Investment [Line Items] SCHEDULE I - Form 5500 - Assets Held at Year End EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Employer securities EBP, Form 5500 Caption, Participant Loans Participant loans Represents the fidelity bond coverage by the employee benefit plan. Employee Benefit Plan Fidelity Bonds Investments Coverage Amount Fidelity bond coverage amount EBP, Risk and Uncertainty, Concentration of Investment, Benchmark Threshold Percentage Threshold percentage EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Amount Concentration investment amount