Document And Entity Information Document Information [Table] Document Information [Line Items] Document And Entity Information Document Type Document Type Document Quarterly Report Document Quarterly Report Document Period End Date Document Transition Report Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding (in shares) Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Statements of Condition Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Cash and Due from Banks Cash and due from banks Debt Securities, Available-for-Sale, Excluding Accrued Interest Available for sale securities, amortized cost of $358,173 at June 30, 2026; $323,240 at December 31, 2025 Available for sale securities, fair value Available for sale securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Held to maturity securities, fair value of $73,470 at June 30, 2026; $82,435 at December 31, 2025 Held to maturity securities, amortized cost Held to maturity securities, net Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Held to maturity securities, allowance for credit losses Balance Balance Less: Allowance for credit losses on held to maturity securities Held to maturity securities, allowance for credit loss Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Held to maturity securities, net Other Investments Other investments Federal Home Loan Bank Stock Federal Home Loan Bank Stock, at cost Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Total Total Loans Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Ending Balance Beginning balance Less: Allowance for credit losses on loans and leases Financing Receivable, after Allowance for Credit Loss Loans, net Property, Plant and Equipment, Net Bank premises and equipment, net of accumulated depreciation Interest Receivable Accrued interest receivable Cash Surrender Value of Life Insurance Cash surrender value of life insurance Intangible Assets, Net (Excluding Goodwill) Intangible asset Other Assets Other assets Assets Total assets Liabilities [Abstract] Liabilities: Noninterest-Bearing Deposit Liabilities, Domestic Demand, non-interest bearing Interest-Bearing Deposit Liabilities, Domestic Savings and demand, interest bearing Time Deposits, at or Above FDIC Insurance Limit Time, $250,000 or more Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000. Time Deposits Less Than 250000 Other time deposits Deposits Total deposits Advance from Federal Home Loan Bank Advances from Federal Home Loan Bank Liability, Defined Benefit Plan Employee and director benefit plans liabilities Other Liabilities Other liabilities Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Shareholders' Equity: Common Stock, Value, Issued Common stock, $1 par value, 15,000,000 shares authorized, 4,617,466 shares issued and outstanding at June 30, 2026 and December 31, 2025 Additional Paid in Capital, Common Stock Surplus Retained Earnings (Accumulated Deficit) Undivided profits Accumulated Other Comprehensive Income (Loss), Net of Tax Ending balance accumulated other comprehensive (loss)income Beginning balance accumulated other comprehensive (loss) income Accumulated other comprehensive loss Equity, Attributable to Parent Balance Balance Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Available for sale securities, amortized cost Available for sale securities, amortized cost Debt Securities, Held-to-Maturity, Fair Value Held to maturity securities, net Held to maturity securities, fair value Held to maturity securities, fair value Common Stock, Par or Stated Value Per Share Common stock, par or stated value per share Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Consolidated Statements of Operations Product and Service [Axis] Product and Service [Domain] Represents trust department income and fees. Trust Department Income and Fees [Member] Trust department income and fees Represents service charges on deposit accounts. Service Charges on Deposit Accounts [Member] Service charges on deposit accounts Interest and Other Income [Abstract] Interest income: Interest and Fee Income, Loans and Leases Interest and fees on loans Interest and Dividend Income, Securities, by Security Type [Abstract] Interest and dividends on securities: Interest Income, Securities, US Treasury U. S. Treasuries Interest Income, Securities, Mortgage-Backed Mortgage-backed securities Interest Income, Securities, State and Municipal States and political subdivisions Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by mortgage securities. Interest Income Securities Collateralized Mortgage Obligations Collateralized mortgage obligations Interest and Dividend Income, Securities, Operating, Other Other investments Interest Income, Deposits with Financial Institutions Interest on balances due from depository institutions Interest and Other Income Total interest income Interest Expense, Operating [Abstract] Interest expense: Interest Expense, Deposits Deposits Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Short-Term Borrowings Interest Expense, Operating Total interest expense Interest Income (Expense), Operating Net interest income Financing Receivable, Credit Loss, Expense (Reversal) Provision for losses on unfunded commitments Reduction of credit losses Interest Income (Expense), after Provision for Loan Loss Net interest income after provision for credit losses Noninterest Income [Abstract] Non-interest income: Revenue from Contract with Customer, Including Assessed Tax Revenue Bank Owned Life Insurance Income Increase in cash surrender value of life insurance Gain (Loss) on Disposition of Property Plant Equipment Gain on sale of bank premises and equipment Gain (loss) on sale of property, plant and equipment, net Noninterest Income, Other Other income Noninterest Income Total non-interest income Noninterest Expense [Abstract] Non-interest expense: Labor and Related Expense Salaries and employee benefits Occupancy, Net Net occupancy Equipment Expense Equipment rentals, depreciation and maintenance Federal Deposit Insurance Corporation Premium Expense FDIC and state banking assessments Information Technology and Data Processing Data processing The amount of operating expenses for the period that are associated with maintaining automated teller machines (ATMs) owned by the entity. ATM Expense ATM expense Legal Fees Legal expense The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Legal Reclass Legal expense (reclass) Other Noninterest Expense Other expense Noninterest Expense Total non-interest expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Total income tax (benefit) expense Income tax expense Net income Net income Earnings Per Share, Basic Basic earnings per share (in dollars per share) Earnings Per Share, Diluted Diluted earnings per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Dividends declared per share (in dollars per share) Dividends declared (in dollars per share) Consolidated Statements of Comprehensive Income Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Net unrealized gain (loss) on available for sale securities, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Gain (loss) from unfunded post-retirement benefit obligation, net of tax (Loss) gain from unfunded post-retirement benefit obligation, net of tax Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Total other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income (loss) Consolidated Statements of Changes in Shareholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Surplus Retained Earnings [Member] Undivided Profits AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (loss) Shares, Outstanding Balance (in shares) Balance (in shares) Dividends, Cash Dividend declared ($0.18 per share) Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation Depreciation Accounts Receivable, Credit Loss Expense (Reversal) Reduction of credit losses Amortization of Intangible Assets Amortization of intangible asset The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of available for sale securities over their estimated remaining economic lives. Amortization On Available For Sale Securities (Accretion) amortization of available for sale securities The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of held to maturity securities over their estimated remaining economic lives. Amortization On Held To Maturity Securities Amortization (accretion) of held to maturity securities The increase (decrease) during the reporting period in the amount of cash surrender value of life insurance. Increase Decrease In Cash Surrender Value Of Life Insurance Increase in cash surrender value of life insurance Increase (Decrease) in Accrued Interest Receivable, Net Change in accrued interest receivable Increase (Decrease) in Deferred Income Taxes Change in deferred tax Increase (Decrease) in Other Operating Assets Change in other assets Increase (Decrease) in Employee Related Liabilities Change in employee and director benefit plan liabilities and other liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Proceeds from maturities of available for sale securities Payments to Acquire Debt Securities, Available-for-Sale Purchases of available for sale securities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Proceeds from maturities of held to maturity securities Payments for (Proceeds from) Federal Home Loan Bank Stock Purchases of Federal Home Loan Bank stock Payments for (Proceeds from) Loans and Leases Loans, net change Payments to Acquire Property, Plant, and Equipment Acquisition of bank premises and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of bank premises and equipment Payment to Acquire Life Insurance Policy, Investing Activities Investment in cash surrender value of life insurance Net Cash Provided by (Used in) Investing Activities Net cash (used) by investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: The net cash inflow or outflow in the total of all demand and savings deposits classified as cash flows from financing activities. Increase (Decrease) In Demand And Savings Deposits Demand and savings deposits, net change Increase (Decrease) in Time Deposits Time deposits, net change Proceeds from FHLBank Borrowings, Financing Activities Borrowings from Federal Home Loan Bank Payments of FHLBank Borrowings, Financing Activities Repayments to Federal Home Loan Bank Payments of Ordinary Dividends, Common Stock Cash dividends Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Basis of Presentation Earnings Per Share Earnings Per Share [Text Block] Earnings Per Share Statements of Cash Flows Cash Flow, Supplemental Disclosures [Text Block] Statements of Cash Flows Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Allowance for Credit Losses Allowance for Credit Losses [Text Block] Allowance for Credit Losses Shareholders' Equity Equity [Text Block] Shareholders' Equity Fair Value Measurements and Disclosures Fair Value Disclosures [Text Block] Fair Value Measurements and Disclosures Income Taxes Income Tax Disclosure [Text Block] Income Taxes Segment Reporting Segment Reporting Disclosure [Text Block] Segment Reporting Use of Estimates, Policy [Policy Text Block] Use of Estimates Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Allowance for Credit Losses New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Disclosure of accounting policy for reclassification relating to correction of error. Reclassification of Prior Period Errors, Policy [Policy Text Block] Reclassification of Prior Period Errors Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Schedule of amortized cost, estimated fair value, and allowance for credit losses of available-for-sale and held-to-maturity investment securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] Schedule of allowance for credit losses on held-to-maturity securities Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block] Schedule of amortized cost of debt securities held-to-maturity aggregated by credit quality indicators Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of amortized cost and fair value of debt securities by contractual maturity Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Schedule of available for sale securities with gross unrealized losses aggregated by investment category and length of time Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of composition of the loan portfolio Financing Receivable, Past Due [Table Text Block] Schedule of age analysis of the loan portfolio, segregated by class of loans Tabular disclosure of origination year credit quality indicators for financing receivable. Financing Receivable, Origination Year Credit Quality Indicator [Table Text Block] Schedule of credit quality disclosures Financing Receivable, Nonaccrual [Table Text Block] Schedule of company's nonaccrual loans Tabular disclosure of amount of writeoff of accrued interest on financing receivable recognized by reversing interest income. Financing Receivable, Accrued Interest, Writeoff [Table Text Block] Schedule of accrued interest receivables Tabular disclosure of collateral-dependent loans. Summary of Collateral-dependent Loans [Table Text Block] Schedule of collateral-dependent loans Related to nonaccrual loans. Nonaccrual Loans By Class and Vintage [Table Text Block] Schedule of disaggregates nonaccrual disclosures Financing Receivable, Modified [Table Text Block] Schedule of loans modified to borrowers experiencing financial difficulty Financing Receivable, Allowance for Credit Loss [Table Text Block] Schedule of allowance for credit losses on loans Financing Receivable Credit Quality Indicators [Table Text Block] Schedule of gross charge-off disclosures by amortized cost by credit quality indicator Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of components of accumulated other comprehensive income, net of tax Fair Value, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements and Disclosures Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of assets measured at fair value on a recurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Collateral dependent loans, measured at fair value on a non-recurring basis Tabular disclosure of fair value of measurement of assets using significant unobservable inputs (Level 3) on a nonrecurring basis. Fair Value, Assets Measured on Nonrecurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of changes in the fair value of other real estate Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of carrying value and estimated fair value of financial instruments Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of deferred tax assets and liabilities Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of components of income tax Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of effective income tax rate reconciliation Reclassification [Table] Revision of Prior Period [Axis] Revision of Prior Period [Domain] Revision of Prior Period, Error Correction, Adjustment [Member] Revision of prior period error correction adjustment Error Correction, Type [Axis] Error Correction, Type [Domain] Represents information pertaining to Vintage Disclosure Classification Error. Vintage Disclosure Classification Error [Member] Vintage disclosure classification error Reclassification [Line Items] Basis of Presentation Financing Receivable, Excluding Accrued Interest, Revolving Revolving Loans Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Revolving loans converted to term loans Revolving Loans Converted to Term Loans Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding Weighted Average Number of Shares Outstanding, Diluted, Adjustment Dilutive shares Interest Paid, Excluding Capitalized Interest, Operating Activities Interest paid on deposits and borrowings Income Taxes Paid, Net Income tax paid Number of mortgage loans transferred to real estate owned (ROE) during the period. Real Estate Owned, Transfer to Real Estate Owned, Number of Loans Number of loans were transferred to other real estate Disclosure of information about investment in debt security and held to maturity. Debt Securities, Available-for-Sale And Held To Maturity [Table] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Cumulative Effect, Period of Adoption, Adjusted Balance Pledged Status [Axis] Pledged Status [Domain] Asset Pledged as Collateral [Member] Asset Pledged as Collateral Financial Instrument [Axis] Financial Instruments [Domain] US Treasury Securities [Member] U.S. Treasuries U.S. Treasuries Collateralized Mortgage-Backed Securities [Member] Mortgage-backed securities Collateralized Mortgage Obligations [Member] Collateralized mortgage obligations Collateralized mortgage obligations US States and Political Subdivisions Debt Securities [Member] States and political subdivisions Financial Asset, Aging [Axis] Financial Asset, Aging [Domain] Financial Asset, 30 to 59 Days Past Due [Member] Financial asset, 30 to 59 Days Past Due Pledging Purpose [Axis] Pledging Purpose [Domain] Represents Public Deposits, Federal Funds Purchased and Other Balances Required by Law. Public Deposits, Federal Funds Purchased and Other Balances Required by Law [Member] Public Deposits, Federal Funds Purchased and Other Balances Required by Law Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Debt Securities, Available-for-Sale And Held To Maturity [Line Items] Investments Amount of impairment expense (reversal of expense) in debt security measured at amortized cost (held-to-maturity). Debt Securities Held to Maturity Impairment Reversal Impairment reversal Debt Securities, Held-to-Maturity, Nonaccrual Held-to-maturity classified as nonaccrual Number of investments in securities in unrealized loss position, without allowance for credit loss. Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Number of positions in unrealized loss Number of investments in securities without allowance for credit loss. Securities Qualitative Disclosure Number Of Positions Number of investments in securities Proceeds from Sale of Debt Securities, Available-for-Sale Proceeds from sale of debt securities Financial Instruments, Owned, at Fair Value Fair value of securities Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Line Items] Investments Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Available for sale securities, gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Available for sale securities, gross unrealized losses Debt Securities, Held-to-Maturity [Table] Schedule of Held-to-Maturity Securities [Line Items] Investments Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Held to maturity securities, gross unrealized gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Held to maturity securities, gross unrealized losses Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Investments Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Credit Loss Expense (Reversal) Provision for credit losses Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Charge-offs of securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Recoveries Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Represents Aa1/Aa2/Aa3. Aa1/Aa2/Aa3 [Member] Aa1/Aa2/Aa3 Represents A1/A2. A1/A2 [Member] A1/A2 Represents Baa1/Baa2. Baa1/Baa2 [Member] Baa1/Baa2 Represents not rated. Not Rated [Member] Not rated Debt Securities, Held-to-Maturity, Credit Quality Indicator [Line Items] Investments Disclosure of information about investments classified by contractual maturity date. Schedule Of Investments Classified by Contractual Maturity Date [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Investments Classified by Contractual Maturity Date [Line Items] Investments Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Available for sale securities, due in one year or less, amortized cost Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Available for sale securities, due in one year or less, fair value Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Available for sale securities, due after one year through five years, amortized cost Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Available for sale securities, due after one year through five years, fair value Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Available for sale securities, due after five years through ten years, amortized cost Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Available for sale securities, due after five years through ten years, fair value Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Available for sale securities, due after ten years, amortized cost Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Available for sale securities, due after ten years, fair value Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Available-for-sale, maturity, without single maturity date, amortized cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Available-for-sale, maturity, without single maturity date, fair value Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Held to maturity securities, due in one year or less, amortized cost Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Held to maturity securities, due in one year or less, fair value Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Held to maturity securities, due after one year through five years, amortized cost Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Held to maturity securities, due after one year through five years, fair value Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Held to maturity securities, due after five years through ten years, amortized cost Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Held to maturity securities, due after five years through ten years, fair value Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Held to maturity securities, due after ten years, amortized cost Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Held to maturity securities, due after ten years, fair value Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table] Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] Investments Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Less Than Twelve Months, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Less Than Twelve Months, Gross Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Over Twelve Months, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Over Twelve Months, Gross Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position Total, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Total, Gross Unrealized Losses Financing Receivable, Nonaccrual, Interest Income Interest income on nonaccrual loans Number of financing receivables that have been modified by troubled debt restructurings. Financing Receivable Modifications Number Of Contracts Number of financing receivables modified Accounts and Financing Receivables [Table] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Represents residential real estate Real Estate, Residential [Member] Real estate, residential Real Estate, Residential Loans Related to the construction portion of real estate. Real Estate, Construction [Member] Real estate, construction Real Estate, Construction Loans represents nonresidential real estate. Real Estate, Nonresidential [Member] Real estate, nonresidential Real Estate, Nonresidential Loans Represents financing receivable related to commercial and industrial loans. Commercial And Industrial Loan [Member] Commercial and industrial Commercial and industrial Represents loans classified as other. Other Loan [Member] Other Consumer/Other Loans Accounts, Notes, Loans and Financing Receivable [Line Items] Loans Financing Receivable, Past Due [Table] Financial Asset, 60 to 89 Days Past Due [Member] Financial asset, 60 to 89 Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Financial asset, Greater than 90 Days Past Due 90+ Days Past Due Financial Asset, Past Due [Member] Financial asset, Past Due Financial Asset, Not Past Due [Member] Financial asset, Not Past Due Financing Receivable, Past Due [Line Items] Loans Financing Receivable, Credit Quality Indicator [Table] Represents a grade of A, B, or C. A, B, or C [Member] A, B, or C Represents a grade of S. S [Member] S Represents a grade of D. D [Member] D Represents a grade of E. E [Member] E Financing Receivable, Credit Quality Indicator [Line Items] Loans Allowance for Credit Losses Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Year 1 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Year 2 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Year 3 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Year 4 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Year 5 Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Prior Financing Receivable, Nonaccrual [Table] Represents information pertaining to Commercial and industrial. Commercial and Industrial [Member] Commercial and industrial Financing Receivable, Nonaccrual [Line Items] Loans Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Nonaccrual Loans with No Allowance Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with allowance for credit loss. Excludes net investment in lease. Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance Nonaccrual Loans with an Allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual Total Nonaccrual Loans Disclosure of information about financing receivable on accrued write off. Financing Receivable, Accrued Write Off [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Financing Receivable, Accrued Write Off [Line Items] Loans Financing Receivable, Accrued Interest, Writeoff Accrued interest receivables written off Collateral Held [Axis] Collateral Held [Domain] Residential Real Estate [Member] Residential Properties Collateral Pledged [Member] Collateral Pledged Commercial Real Estate [Member] Commercial Class of Financing Receivable [Axis] Class of Financing Receivable [Domain] Related to loans. Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year [Member] 2025/2024 Related to loans. Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year [Member] 2024/2023 Related to loans. Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year [Member] 2023/2022 Related to loans. Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year [Member] 2022/2021 Related to loans. Prior [Member] Prior Related to total nonaccrual loans. Total Nonaccrual Loans [Member] Total Financing Receivable, Nonaccrual Total Nonaccrual Loans Financing Receivable, Modified [Table] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Domain] Extended Maturity [Member] Term Extension 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 Past Due Financing Receivable, Modified [Line Items] Loans Financing Receivable, Modified in Period, Amount Amortized Cost Basis Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage % of Total Loan Type Financing Receivable, Modified, Weighted Average Term Increase from Modification Weighted Average Term Increase from Modification (Year) Financing Receivable, Modified, Accumulated Modified, accumulated Financing Receivable, Allowance for Credit Loss [Table] Unfunded Loan Commitment [Member] Reserve for unfunded lending commitments Financing Receivable, Allowance for Credit Loss [Line Items] Allowance for Credit Losses Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Charge-offs Total Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Recoveries Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Net provision for credit losses The amount of allowance in loans and leases receivable including unfunded loan commitment. Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Including Unfunded Loan Commitments Total allowance for credit losses Financing Receivable, Allowance for Credit Loss, Individually Evaluated Individually evaluated Financing Receivable, Allowance for Credit Loss, Collectively Evaluated Collectively evaluated Financing Receivable, Individually Evaluated for Credit Loss Individually evaluated Financing Receivable, Collectively Evaluated for Credit Loss Collectively evaluated Consumer Portfolio Segment [Member] Consumer/Other Represents grade of F. F [Member] F Related to internally rated. Internally Rated [Member] Internally Rated Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Year 1 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Year 2 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Year 3 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Year 4 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Year 5 Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Prior Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Revolving Loans Converted to Term Loans Dividends Payable [Table] Dividends [Axis] Dividends [Domain] Represents 2026 Q2 Dividends. O 2026 Q2 Dividends [Member] 2026 Q2 Dividends Represents 2025 Q2 Dividends. O 2025 Q2 Dividends [Member] 2025 Q2 Dividends Dividends Payable [Line Items] Shareholders' Equity Dividends Payable, Date Declared Declaration date Dividends Payable, Date to be Paid Payable date Dividends Payable, Date of Record Record date 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 1 [Member] Level 1 Fair Value, Inputs, Level 2 [Member] Level 2 Fair Value, Inputs, Level 3 [Member] Level 3 Fair value portion of impaired loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. Impaired Loans Receivable Fair Value Disclosure Impaired loans, fair value Asset Class [Axis] Asset Class [Domain] Represents information pertaining to other real estate. Other Real Estate [Member] Other real estate A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Fair Value, Assets Measured on Nonrecurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Asset Value Balance, end of year Balance, beginning of year Amount of loans transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, Asset Loan Transfers Loans transferred to ORE Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Sales Amount of chargeoffs of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, nonrecurring Basis, Asset, Chargeoffs Chargeoffs Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Carrying Amount Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Measurements and Disclosures Loans Receivable, Fair Value Disclosure Loans, net Fair value portion of non-interest bearing deposits. Non interest Bearing Deposits Fair Value Disclosure Non-interest bearing Fair value portion of interest bearing deposits. Interest Bearing Deposits Fair Value Disclosure Interest bearing Fair value portion of time deposits. Time Deposits Fair Value Disclosure Time deposits Federal Home Loan Bank Borrowings, Fair Value Disclosure Borrowings from Federal Home Loan Bank Deferred Tax Assets, Gross [Abstract] Deferred tax assets: Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss Allowance for credit losses Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Employee benefit plans' liabilities Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Unrealized loss on available for sale securities, charged from equity Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Impairment Losses Loss on credit impairment of securities Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Earned retiree health benefits plan liability Deferred Tax Assets, Tax Credit Carryforwards, General Business General business and AMT credits Deferred Tax Assets, Operating Loss Carryforwards, State and Local State income tax net operating loss carryforward Deferred Tax Assets, Other Other Deferred Tax Assets, Valuation Allowance Valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax assets Deferred Tax Liabilities, Gross [Abstract] Deferred tax liabilities: Amount of deferred tax liability attributable to taxable temporary differences from unearned retiree health benefits plan asset. Deferred Tax Liabilities Unearned Retiree Health Benefits Plan Asset Unearned retiree health benefits plan asset Deferred Tax Liabilities, Property, Plant and Equipment Bank premises and equipment Deferred Tax Liabilities, Net Deferred tax liabilities Deferred Tax Assets, Net Net deferred taxes Net deferred tax asset Current: Current Federal Tax Expense (Benefit) Federal Current Income Tax Expense (Benefit) Total current Current income tax expense (benefit) Deferred: Deferred Federal Income Tax Expense (Benefit) Federal Deferred State and Local Income Tax Expense (Benefit) State Deferred Income Tax Expense (Benefit) Deferred income tax expense (benefit) Total deferred Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Tax Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Taxes computed at statutory rate Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State income tax expense, net of federal effect Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Tax -exempt interest income Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income from bank owned life insurance. Effective Income Tax Rate Reconciliation Income From Boli Amount Income from BOLI Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to terfa disallowance. Effective Income Tax Rate Reconciliation Tefra Disallowance Amount Tefra disallowance Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credits. Effective Income Tax Rate Reconciliation Foreign Tax Credit Amount Federal tax credits Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Tax Jurisdiction of Domicile [Extensible Enumeration] Effective Income Tax Rate Reconciliation, Percent [Abstract] Rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent U.S. Federal income tax rate Taxes computed at statutory rate Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State income tax expense, net of federal effect Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Tax -exempt interest income Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income from bank owned life insurance. Effective Income Tax Rate Reconciliation Income From Boli Percent Income from BOLI Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to terfa disallowance. Effective Income Tax Rate Reconciliation Tefra Disallowance Percent Tefra disallowance Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credits. Effective Income Tax Rate Reconciliation Foreign Tax Credit Percent Federal tax credits Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Other Effective Income Tax Rate Reconciliation, Percent Total income tax (benefit) expense Effective income tax rate percent Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Effective Income Tax Rate Reconciliation State And Local Income Taxes Net Of Federal Effect Percent State income tax rate Income Tax Paid, Federal, after Refund Received Federal income tax payments Income Tax Paid, State and Local, after Refund Received State income tax payments Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized tax benefits Number of Operating Segments Number of Operating Segments Number of Reportable Segments Number of Reportable Segments n/a Rule 10b5-1 Arrangement Modified n/a Non-Rule 10b5-1 Arrangement Modified