Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number City Area Code Local Phone Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONSOLIDATED BALANCE SHEETS Assets [Abstract] Assets Cash and Due from Banks Cash and cash equivalents Interest-Bearing Deposits in Banks and Other Financial Institutions Certificates of deposit in other financial institutions No definition available. Investment Securities [Abstract] Investment securities: Debt Securities, Available-for-Sale, Excluding Accrued Interest Available-for-sale debt securities Available-for-sale, (amortized cost of $116,635 and $121,879 at June 30, 2026 and December 31, 2025, respectively) Total Estimated Fair Value Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Held-to-maturity, at amortized cost Total Amortized Cost Federal Home Loan Bank Stock Federal Home Loan Bank of Chicago stock (FHLB) Equity Securities, FV-NI Bankers Bank stock Other Real Estate Real Estate Owned (REO) Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Loans receivable, net of allowance for credit losses of $2,952 and $2,682 at June 30, 2026 and December 31, 2025, respectively Total Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Premises and equipment, net Total The fair value amount of accrued interest receivable. Accrued Interest Receivable, Fair Value Disclosure Accrued interest receivable Bank Owned Life Insurance Bank-owned life insurance (BOLI) Intangible Asset, Finite-Lived, after Accumulated Amortization Core deposit intangibles Core deposit intangibles, net Deferred Income Tax Assets, Net Deferred tax assets Other Assets Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities [Abstract] Liabilities: Deposits Deposits Total of all deposit accounts Advance Payments by Borrowers for Taxes and Insurance Advances from borrowers for taxes and insurance Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Stockholders' Equity: Preferred Stock, Value, Issued Preferred stock, $0.01 par value, 500,000 shares authorized, none issued Common Stock, Value, Issued Common stock, $0.01 par value, 9,500,000 shares authorized, 8,096,938 issued and outstanding Unearned ESOP Shares Unallocated common stock - ESOP Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Equity, Attributable to Parent Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Investment securities: Available-for-sale, at amortized cost Amortized Cost Amortized Cost Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Allowance for credit losses Ending balance Beginning balance Loans receivable, allowance for credit losses Preferred Stock, Par or Stated Value Per Share Preferred stock, par value per share Preferred Stock, Shares Authorized Preferred stock, authorized Preferred Stock, Shares Issued Preferred stock, issued Common Stock, Par or Stated Value Per Share Common stock, par value per share Common Stock, Shares Authorized Common stock, authorized Common Stock, Shares, Issued Common stock, issued Common Stock, Shares, Outstanding Common stock, outstanding CONSOLIDATED STATEMENT OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) Interest and Dividend Income, Operating [Abstract] Interest income: Interest and Fee Income, Financing Receivable Loans receivable Interest Income, Debt Securities, Operating Investment securities Other Interest and Dividend Income Other Interest and Dividend Income, Operating Total interest income Interest Expense, Deposits Interest expense, deposits Interest Income (Expense), Operating Net interest income Provision for Loan, Lease, and Other Losses Provision for credit losses Provision for credit losses Interest Income (Expense), after Provision for Loan Loss Net interest income after provision for credit losses Noninterest Income [Abstract] Noninterest income: Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions Customer service fees Noninterest Income, Other Other Noninterest Income Total noninterest income Noninterest Expense [Abstract] Noninterest expense: Labor and Related Expense Compensation Occupancy, Net Occupancy Advertising Expense Advertising Intangible Asset, Finite-Lived, Amortization Expense Amortization of core deposit intangible Amortization of core deposit intangible Other Noninterest Expense Other Noninterest Expense Total noninterest expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) before income taxes Income Tax Expense (Benefit), Continuing Operations [Abstract] Income tax (benefit): Income Tax Expense (Benefit) Tax Expense (benefit) Net income (loss) Net income (loss) applicable to shares of common stock Earnings Per Share, Basic Earnings (loss) per share - basic Earnings (loss) per common share, basic Earnings Per Share, Diluted Earnings (loss) per share - diluted Earnings (loss) per common share, diluted Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Weighted average shares of common stock outstanding - diluted Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss): OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized gain (loss) on securities available-for-sale, net of income taxes of ($55) for three months ended June 30, 2026 and ($157) for six months ended June 30, 2026, and ($335) for three months ended June 30, 2025 and ($1,240) for six months ended June 30, 2025. Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Unrealized gain (loss) on securities available-for-sale, income tax (benefit) CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY Statement [Table] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Employee Stock Ownership Plan, Common, Shares [Member] Unallocated Common Stock - ESOP Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Retained Earnings AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (decrease) in equity The increase in equity attributable to ESOP shares committed to be released. Employee Stock Purchase Plan, Increase in Equity Attributable to Shares Committed to be Released ESOP shares committed to be released Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) CONSOLIDATED STATEMENT OF CASH FLOWS Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Net cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (loss) Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income (loss) to net cash from operating activities: Depreciation, Nonproduction Depreciation Accretion (Amortization) of Discounts and Premiums, Investments (Accretion) amortization of premiums and discounts Amortization of Deferred Loan Origination Fees, Net Accretion of Loan credit and yield adjustment The increase (decrease) during the reporting period in the cash surrender value of bank-owned life insurance. Increase (Decrease) in Cash Surrender Value of Bank-Owned Life Insurance Increase in cash surrender value of BOLI Share-Based Payment Arrangement, Noncash Expense ESOP compensation expense Increase (Decrease) in Other Operating Assets Change in other assets Increase (Decrease) in Accrued Interest Receivable, Net Change in accrued interest receivable Deferred Income Tax Expense (Benefit) Deferred income tax benefit Increase (Decrease) in Accounts Payable and Accrued Liabilities Change in accounts payable and accrued expenses Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash flows provided (used) by operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net cash flows from investing activities: Payments for (Proceeds from) Life Insurance Policies Purchase of BOLI Proceeds from Maturities, Prepayments and Calls of Other Investments Proceeds from maturities of certificates of deposit Payments to Acquire Restricted Certificates of Deposit Purchase of certificates of deposit Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Proceeds from repayment of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Repayment of held-to-maturity securities Payments for (Proceeds from) Loans and Leases Change in loans receivable Proceeds from Sale of Property, Plant, and Equipment Disposal of fixed assets Payments to Acquire Property, Plant, and Equipment Purchase of premises and equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash flows provided (used) by investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash flows from financing activities: Increase (Decrease) in Deposits Change in deposit accounts Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance Change in advances from borrowers for taxes and insurance Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash flows provided (used) by financing activities Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Net change in cash and cash equivalents Cash and Cash Equivalents [Abstract] Cash and cash equivalents: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation End of the period Beginning of the period Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Income Tax Paid, after Refund Received Cash paid during the period for Interest Real Estate Owned, Transfer to Real Estate Owned Premises and Equipment transferred to ORE Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization No definition available. Nature of Operations Nature of Operations [Text Block] Nature of Operations Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Investment Securities Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Investment Securities Loans Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Receivable Premises and Equipment Property, Plant, and Equipment [Text Block] Premises and Equipment No definition available. Core Deposit Intangibles Intangible Asset [Text Block] Core Deposit Intangibles Deposits. Deposit Liabilities Disclosures [Text Block] Deposits Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements No definition available. Fair Value of Financial Instruments. Financial Instruments Disclosure [Text Block] Fair Value of Financial Instruments No definition available. Regulatory Information Regulatory Capital Requirements under Banking Regulations [Text Block] Regulatory Information No definition available. ESOP The entire disclosure of the details pertaining to each employee stock ownership plan. Employee Stock Ownership Plan [Text Block] ESOP Earnings Per Share (EPS) Earnings Per Share [Text Block] Earnings Per Share (EPS) Consolidation, Policy [Policy Text Block] Principles of Consolidation Use of Estimates, Policy [Policy Text Block] Use of Estimates New Accounting Pronouncements, Policy [Policy Text Block] Future Accounting Pronouncements Unrealized Gain (Loss) on Investments [Table Text Block] Schedule of amortized cost and fair value of securities available-for-sale and held-to-maturity, with gross unrealized gains and losses Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of amortized cost and fair value of investment securities by contractual maturity Debt Securities, Available-for-Sale [Table Text Block] Schedule of debt securities with gross unrealized losses Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of loans receivable Financing Receivable, Allowance for Credit Loss [Table Text Block] Schedule of activity in the allowance for credit losses Financing Receivable, Past Due [Table Text Block] Schedule of aging of loans receivable by classification Financing Receivable Credit Quality Indicators [Table Text Block] Schedule of loans by risk rating and year of origination Property, Plant, and Equipment [Table Text Block] Schedule of premises and equipment Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Schedule of remaining payments on operating lease Deposit Liabilities, Type [Table Text Block] Schedule of deposits by type Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of assets measured at fair value on a recurring basis Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of carrying amounts and estimated fair value of financial instruments Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Schedule of regulatory information Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] Schedule of ESOP information Schedule of Weighted Average Number of Shares [Table Text Block] Schedule of weighted average shares outstanding Subsidiary or Equity Method Investee, Sale of Stock [Table] Consolidated Entities [Axis] Consolidated Entities [Domain] Subsidiaries [Member] Subsidiaries Represents information pertaining to Hoyne Savings Bank. Hoyne Savings Bank [Member] Hoyne Savings Bank Counterparty Name [Axis] Counterparty Name [Domain] Represents information pertaining to Hoyne Charitable Foundation, Inc. Hoyne Charitable Foundation, Inc. [Member] Hoyne Charitable Foundation, Inc. Subsidiary or Equity Method Investee [Line Items] Organization Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions Percentage ownership Payments of Stock Issuance Costs Stock offering costs The amount of decrease in retained earnings attributable to the merger of wholly owned subsidiaries. Decrease in Retained Earnings Attributable to the Merger of Wholly Owned Subsidiaries Merger of wholly owned subsidiaries Number of new stock issued during the period as a donation to a charitable foundation. Stock Issued During Period, Shares, Donation to Charitable Foundation Number of shares issued as donation to a charitable foundation The amount of cash donation made to charitable foundations. Cash Donation to Charitable Foundation Cash donation to charitable foundation Number of Operating Segments Number of operating segments Debt Securities, Available-for-Sale [Table] Financial Instrument [Axis] Financial Instruments [Domain] US Government Agencies Debt Securities [Member] Agencies Collateralized Mortgage-Backed Securities [Member] Mortgage-backed US States and Political Subdivisions Debt Securities [Member] Municipal bonds Debt Securities, Available-for-Sale [Line Items] Investment Securities Debt Securities, Available-for-Sale [Abstract] Amortized cost and fair value of AFS securities: Debt Securities, Available-for-Sale, Unrealized Gain Gross Unrealized Gains Debt Securities, Available-for-Sale, Unrealized Loss Gross Unrealized Losses Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Amortized cost of AFS securities by contractual maturity: Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Due in 1 to 5 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Due after 5 years to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Total Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Mortgage-backed Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Fair value of AFS securities by contractual maturity: Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Due in 1 to 5 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Due after 5 years to 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Total Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Mortgage-backed Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] AFS Debt securities with gross unrealized losses: Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Gross Unrealized Losses, Less than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Gross Unrealized Losses, Over Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Fair Value, Less than Twelve Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Fair Value, Over Twelve Months Debt Securities, Held-to-Maturity [Table] Schedule of Held-to-Maturity Securities [Line Items] Investment Securities Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Amortized cost and fair value of HTM securities: Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Gross Unrealized Losses Debt Securities, Held-to-Maturity, Fair Value Estimated Fair Value Total Held to maturity securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Maturity [Abstract] Amortized cost of HTM securities by contractual maturity: Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Due after 5 years to 10 years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date Total Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, without Single Maturity Date Mortgage-backed Debt Securities, Held-to-Maturity, Fair Value, Maturity [Abstract] Fair value of HTM securities by contractual maturity: Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Due after 5 years to 10 years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value Total Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Mortgage-backed Proceeds from Sale of Debt Securities, Available-for-Sale Sales of investment securities available-for-sale Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Number of securities in an unrealized loss position The depreciation of amortized cost basis for available-for-sale debt securities, as a percentage. Available-for-Sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Depreciation of Amortized Cost Basis, Percentage Aggregate depreciation of amortized cost basis (percentage) Debt Securities, Available-for-Sale, Accrued Interest Writeoff AFS accrued interest written off Debt Securities, Held-to-Maturity, Accrued Interest, Writeoff HTM accrued interest written off Debt Securities, Held-to-Maturity, 90 Days or More Past Due, Still Accruing HTM securities, past due Debt Securities, Held-to-Maturity, Nonaccrual, No Allowance HTM securities, nonaccrual Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss Accrued interest on securities held to maturity Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Accrued interest on securities available for sale Accounts and Financing Receivables [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Residential Portfolio Segment [Member] Residential Commercial Portfolio Segment [Member] Commercial Commercial Real Estate Portfolio Segment [Member] Commercial Real Estate Commercial real estate Class of Financing Receivable [Axis] Class of Financing Receivable [Domain] Residential Real Estate [Member] One to four residential One to Four Residential Represents information pertaining to purchased loans and participations. Purchased and Participations [Member] Purchased and participations Purchased and Participations Represents information pertaining to home improvement first mortgage loans. Home Improvement, First Mortgage Loans [Member] Home improvement, first mortgage Home Equity Loan [Member] Home equity line of credit (HELOC) HELOC Construction Loans [Member] Commercial construction Represents information pertaining to commercial and industrial loans. Commercial and Industrial Loans [Member] Commercial and Industrial Commercial and industrial Commercial Real Estate [Member] Commercial real estate Represents information pertaining to line of credit receivables. Line of Credit Loans [Member] Commercial Line of Credit (LOC) LOC Accounts, Notes, Loans and Financing Receivable [Line Items] Loans Receivable Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Gross loans Financing Receivable, Unamortized Purchase Premium (Discount) Add premiums on purchased loans Financing Receivable, before Allowance for Credit Loss [Abstract] Less: Transfer of Financial Assets Accounted for as Sales, Amount Derecognized Loans sold Amount of undisbursed portion of financing receivable balance, net of adjustments. Financing Receivable, Loan in Process, Net of Adjustments Loans in process Financing Receivable, Unamortized Loan Cost (Fee) Deferred income from loan fees Loan, Securitized or Asset-Backed Financing Arrangement, Principal Outstanding Securitized loans Financing Receivable, Accrued Interest, after Allowance for Credit Loss Accrued interest on loans Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Line Items] Loans Receivable Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Allowance for Credit Loss Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Provision Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Recoveries Financing Receivable, Past Due [Table] Represents information pertaining to loans secured by real property that has a first (highest) lien on such property in the event of default by the borrower and home improvement loans. First Mortgage and Home Improvement [Member] One to four residential and home improvement Financial Asset, Aging [Axis] Financial Asset, Aging [Domain] Financial Asset, Not Past Due [Member] Current Financial asset more than 29 days past due but fewer than 90 days past due. Financial Asset, 30 to 89 Days Past Due [Member] 30 - 89 days Financial Asset, Equal to or Greater than 90 Days Past Due [Member] 90+ days Financing Receivable, Past Due [Line Items] Loans Receivable Represents the number of participation loans which were past due and still accruing. Number of Participation Loans Past Due and Still Accruing Number of participation loans still accruing Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Loans greater than 90 days past due and still accruing interest Financing Receivable, Nonaccrual Non-accrual loan balance Amount of non-accrual loans with a related allowance. Non-Accrual Loans with Related Allowance Non-accrual loan balance with related allowance Represents the number of non-accrual loans with related allowance. Number of Non-Accrual Loans with Related Allowance Number of non-accrual loans with related allowance Amount of related allowance for non-accrual loans. Non-Accrual Loans, Related Allowance Related allowance amount for non-accrual loans Financing Receivable, Modified in Period, Amount Troubled loan modifications during the period Financing Receivable, Modified, Subsequent Default Troubled loan modifications, defaults within 12 months of modification The balance of financing receivables that were dependent on collateral with no related allowance. Financing Receivable, Collateral Dependent Loans, No Related Allowance Collateral dependent loans, no related allowance The balance of financing receivables that were dependent on collateral with related allowance. Financing Receivable, Collateral Dependent Loans, With Related Allowance Collateral dependent loans, with related allowance Financing Receivable, Modified, Commitment to Lend Commitments to loan additional funds to the borrowers whose loans have determined to be collateral dependent Mortgage Loans in Process of Foreclosure, Amount Mortgage loans in the process of foreclosure Financing Receivable, Credit Quality Indicator [Table] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Pass [Member] Pass Special Mention [Member] Special Mention Substandard [Member] Substandard Financing Receivable, Credit Quality Indicator [Line Items] Loans Receivable Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Loans Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Year One Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Year Two Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Year Three Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Year Four Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Year Five Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Prior Financing Receivable, Excluding Accrued Interest, Revolving Revolvers Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Total Property, Plant, and Equipment [Table] Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Domain] Land [Member] Land Building and Building Improvements [Member] Building and improvements Furniture and Fixtures [Member] Furniture, fixtures, and equipment Lease Contractual Term [Axis] Lease Contractual Term [Domain] Month-to-month lease for a bank branch. Branch Lease, Month to Month [Member] Branch lease Lease for office in Oak Park, Illinois. Oak Park Office Lease [Member] Oak Park Office Lease Property, Plant, and Equipment [Line Items] Premises and Equipment Amount before accumulated depreciation of physical assets used in the normal conduct of business and not intended for resale. Excludes construction in progress. Property, Plant and Equipment, Gross, Excluding Construction in Progress Gross before accumulated depreciation and construction in progress Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Less accumulated depreciation Amount of structure or a modification to a structure under construction. Construction in Progress Construction in progress Operating Lease, Expense Lease rent expense Lessee, Operating Lease, Term of Contract Term of lease Operating Lease, Right-of-Use Asset Right-of-use asset Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability Lease liability Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Lessee, Operating Lease, Remaining Lease Term Remaining lease term Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Payments remaining on operating lease Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 Lessee, Operating Lease, Liability, to be Paid, Next Rolling 12 Months 2027 Lessee, Operating Lease, Liability, to be Paid, Rolling Year Two 2028 Lessee, Operating Lease, Liability, to be Paid, Rolling Year Three 2029 Lessee, Operating Lease, Liability, to be Paid, Rolling Year Four 2030 Lessee, Operating Lease, Liability, to be Paid Total Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Domain] Core Deposits [Member] Core Deposit Intangibles Business Combination [Axis] Business Combination [Domain] Represents information pertaining to business acquisition of Loomis Federal Savings and Loan Association. Loomis Federal Savings and Loan Association [Member] Loomis Federal Savings and Loan Association Business Combination, Series of Individually Immaterial Business Combinations [Member] Other business acquisitions Intangible Asset, Finite-Lived [Line Items] Core Deposit Intangibles Intangible Asset, Finite-Lived, Acquired Finite-lived intangible assets acquired Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Estimated useful life Intangible Asset, Finite-Lived, Accumulated Amortization Accumulated amortization Deposits, by Type [Abstract] Deposits by type No definition available. Demand Accounts [Abstract] Demand accounts Deposits, Savings Deposits Passbook accounts Deposits, Negotiable Order of Withdrawal (NOW) NOW accounts Deposits, Money Market Deposits Daily money market accounts The aggregate amount of all types of demand accounts. Aggregate Demand Accounts Total demand deposits Time Deposits Certificates of deposit Time Deposits, at or Above FDIC Insurance Limit Time deposits that meet or exceed the FDIC insurance limit of $250,000 Fair Value, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Recurring Fair Value, Nonrecurring [Member] Nonrecurring Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Level 2 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements and Disclosures Restated Assets, Fair Value Disclosure Assets at fair value Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Carrying Amount Estimate of Fair Value Measurement [Member] Estimated Fair value Fair Value, Inputs, Level 1 [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) Level 1 Fair Value, Inputs, Level 3 [Member] Significant Unobservable Inputs (Level 3) Level 3 Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Measurements and Disclosures Restated Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Financial assets: The fair value amount of cash and cash equivalents, excluding time deposits. Cash and Cash Equivalents, Excluding Time Deposits, Fair Value Disclosure Cash and cash equivalents The fair value amount of time deposits. Time Deposits, Fair Value Disclosure Certificates of deposit The fair value amount of other investments not separately disclosed. Other Investments, Fair Value Disclosure Other Investments Loans Receivable, Fair Value Disclosure Loans, net Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Financial liabilities: Deposits, Fair Value Disclosure Deposits The fair value amount of accrued interest payable. Accrued interest payable Accrued interest payable Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Regulatory Information Banking Regulation, Tier 1 Risk-Based Capital [Abstract] Tier 1 capital (to average assets for the leverage ratio) Banking Regulation, Tier 1 Leverage Capital, Actual Actual, Amount Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Actual, Ratio Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Requirements Well Capitalized Under Prompt Corrective Action Provisions, Actual Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Requirements Well Capitalized Under Prompt Corrective Action Provisions, Ratio Employee Stock Ownership Plan (ESOP) [Table] Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] ESOP Period over which grantee's right to exercise award under Employee Stock Ownership Plan is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Employee Stock Ownership Plan, Vesting Period ESOP, service period required for full vesting Origination of Loans to Employee Stock Ownership Plans Origination of loan to ESOP Stock Issued During Period, Shares, Employee Stock Ownership Plan Shares issued to ESOP Period over the Employee Stock Ownership Plan will repay a loan made by the Company, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Employee Stock Ownership Plan, Loan Term ESOP, loan term Employee Stock Ownership Plan (ESOP), Compensation Expense ESOP, compensation expense Employee Stock Ownership Plan (ESOP), Number of Allocated Shares Number of shares allocated to participants Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares Number of shares committed to be released Employee Stock Ownership Plan (ESOP), Number of Suspense Shares Number of unallocated shares Employee Stock Ownership Plan (ESOP), Shares in ESOP Total shares Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value Fair value of unallocated ESOP shares Weighted Average Number of Shares Issued, Basic Average number of shares of common stock outstanding Weighted Average Number of Shares, Employee Stock Ownership Plan Shares Not Committed to be Released Less: Average unallocated ESOP shares