Document and Entity Information Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Document Quarterly Report Document Period End Date Current Fiscal Year End Date Document Transition Report Entity 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 Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Balance Sheets [Abstract] Assets [Abstract] Assets Cash and Due from Banks Cash and due from banks For banks and other depository institutions (including Federal Reserve Banks, if applicable): Short-term interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet. Short-term Interest-bearing Deposits in Banks and Other Financial Institutions Short-term interest-earning deposits in other banks Cash and Cash Equivalents, at Carrying Value Total cash and cash equivalents For banks and other depository institutions (including Federal Reserve Banks, if applicable): Long-term interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet. Long-term Interest-bearing Deposits in Banks and Other Financial Institutions Long-term interest-earning deposits in other banks Debt Securities, Available-for-sale Fair value Debt securities available for sale, at fair value Fair Value Available for sale Federal Home Loan Bank Stock Restricted stock Loans Receivable Held-for-sale, Net Loans held for sale Loans and Leases Receivable, Gross, Carrying Amount Loans Total Total Loans Loans and Leases Receivable, Allowance Allowance for credit losses Less: Allowance for credit losses Allowance, Ending Balance Allowance, Beginning Balance Allowance for loan losses ACL, Ending Balance Loans and Leases Receivable, Net Reported Amount One Net Loans Net Loans Property, Plant and Equipment, Net Premises and equipment, net Operating Lease, Right-of-Use Asset Right of use asset Bank Owned Life Insurance Bank owned life insurance Goodwill Deferred Income Tax Assets, Net Deferred tax asset, net Other Assets Other assets Assets Total assets Total assets for reportable segments Liabilities [Abstract] Liabilities Deposits [Abstract] Deposits Noninterest-bearing Deposit Liabilities, Domestic Noninterest-bearing checking Interest-bearing Deposit Liabilities, Domestic Money management, savings, and interest checking Time Time Total time deposits Deposits Total deposits Advance from Federal Home Loan Bank Federal Home Loan Bank advances Subordinated Debt Subordinate notes Operating Lease, Liability Lease liability Total lease liability Other Liabilities Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingent liabilities (see Note 16) Stockholders' Equity, Number of Shares, Par Value and Other Disclosures [Abstract] Shareholders' equity Common Stock, Value, Issued Common stock, $1 par value per share,15,000,000 shares authorized with 4,710,972 shares issued and 4,493,002 shares outstanding at March 31, 2026 and 4,710,972 shares issued and 4,481,149 shares outstanding at December 31, 2025 Preferred Stock, Value, Issued Capital stock no par value, 5,000,000 shares authorized with no shares issued and outstanding Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Treasury Stock, Value Treasury stock, 217,970 shares at March 31, 2026 and 229,823 shares at December 31, 2025, at cost Stockholders' Equity Attributable to Parent Balance Balance Total shareholders' equity Liabilities and Stockholders' Equity Total liabilities and shareholders' equity Common Stock, Par Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Balance, shares Balance, shares Preferred Stock, Par or Stated Value Per Share Capital Stock, No Par Value Preferred Stock, Shares Authorized Capital Stock, Shares Authorized Preferred Stock, Shares Issued Capital Stock, Shares, Issued Preferred Stock, Shares Outstanding Capital Stock, Shares, Outstanding Treasury Stock, Common, Shares Treasury Stock, Shares Consolidated Statements Of Income [Abstract] Interest and Fee Income, Loans and Leases Held-for-sale [Abstract] Interest income Interest and Fee Income, Loans and Leases Held-in-portfolio Loans, including fees Interest and dividends on investments: Interest Income, Securities, Taxable Taxable interest Interest Income, Securities, Tax Exempt Tax exempt interest Dividend Income, Operating Dividend income Interest Income, Domestic Deposits Interest-earning deposits in other banks Interest and Dividend Income, Operating Total interest income Interest and dividend Income Interest Expense [Abstract] Interest expense Interest Expense Domestic Deposit Liabilities Deposits Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Short-Term FHLB overnight borrowings and advances Interest Expense, Long-term Debt Subordinate notes Interest Expense, Operating Interest expense Total interest expense Interest Income (Expense), Net Net interest income Provision for Loan and Lease Losses Loans Reversal of expense Provision for credit losses - loans Provision Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Provision for credit losses - unfunded commitments Provision for Loan, Lease, and Other Losses Total provision for credit losses Provision for credit losses Interest Income (Expense), after Provision for Loan Loss Net interest income after credit loss expense Noninterest Income [Abstract] Noninterest income Wealth Management Fees Wealth Management Fees Wealth management fees Loan Service Charges Loan Service Charges Loan service charges Gain (Loss) on Sales of Loans, Net Gain on sale of loans Deposit Service Charges And Fees Deposit Service Charges And Fees Deposit service charges and fees Other Service Charges And Fees Other Service Charges And Fees Other service charges and fees Fee income from debit card activity Debit card income Bank Owned Life Insurance Income Increase in cash surrender value of life insurance Increase in cash surrender value of life insurance Change In Fair Value Of Equity Securities Change In Fair Value Of Equity Securities Change in fair value of equity securities Noninterest Income, Other Operating Income Other Noninterest Income Total noninterest income Noninterest Expense [Abstract] Noninterest Expense Salary and Wage, Excluding Cost of Good and Service Sold Salaries Employee Benefits and Share-Based Compensation Employee benefits Occupancy, Net Net occupancy Marketing and Advertising Expense Marketing and advertising Professional Fees Legal and professional The amount of expenses incurred in the period for data processing products and services. Data Processing Data processing Taxes, Other Pennsylvania bank shares tax Federal Deposit Insurance Corporation Premium Expense Reversal Federal Deposit Insurance Corporation Premium Expense Reversal FDIC Insurance Expense from ATM/Debit card processing ATM/Debit Card Processing ATM/debit card processing Communications and Information Technology Telecommunications Other Noninterest Expense Other Noninterest Expense Total noninterest expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Federal Income Tax Expense (Benefit), Continuing Operations Income tax expense Net Income (Loss) Attributable to Parent Net income Net income Net Income Earnings Per Share, Basic, Other Disclosures [Abstract] Per share Earnings Per Share, Basic Basic earnings per share Earnings Per Share, Diluted Diluted earnings per share Consolidated Statements Of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Debt Securities: Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Unrealized gains (loss) arising during the period Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, before Tax Reclassification adjustment for gains (loss) realized in income on fair value hedge Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Net unrealized gains (loss) Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent Tax effect Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Net of tax amount Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total Comprehensive Income (Loss) Consolidated Statements Of Changes In Shareholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive gain Dividends, Common Stock, Cash Cash dividends declared Treasury Stock, Value, Acquired, Cost Method Acquisition of treasury stock Acquisition of treasury stock. Acquisition of treasury stock Acquisition of treasury stock Treasury Stock, Shares, Acquired Acquisition of treasury stock, shares Stock Issued During Period, Value, Dividend Reinvestment Plan Treasury shares issued under dividend reinvestment plan Common stock issued under dividend reinvestment plan, shares Treasury shares issued under dividend reinvestment plan, shares Shares Granted or Issued, Share-based Payment Arrangement [Abstract] Stock Compensation Plans: Common stock issued under stock option plan Treasury shares issued Common stock issued under stock option plan, shares Treasury shares issued, shares Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Compensation expense Common Stock, Dividends, Per Share, Declared Dividend declared per share Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities 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, Depletion and Amortization, Nonproduction Depreciation and amortization The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method. The net increase in interest income during the period representing the systematic and rational allocation of deferred loan origination fees less deferred loan origination costs over the term of the debt arrangement to which they pertain. Net amortization of loans and investment securities Net amortization of loans and investment securities Amortization of subordinate debt issuance costs Amortization of subordinate debt issuance costs Amortization of subordinate debt issuance costs Loss on Sale of Investments Payments for Origination of Mortgage Loans Held-for-sale Loans originated for sale Proceeds from Sale of Loans Held-for-sale Proceeds from sale of loans Gain (Loss) on Sale of Loans and Leases Gain on sale of loans held for sale Gain (Loss) on Sale of Property, Plant and Equipment Gain on sale of premise Gain From Surrender Of Life Insurance Policy Gain From Surrender Of Life Insurance Policy Gain from claims on life insurance policies Share-based Compensation Stock based compensation Increase (Decrease) in Other Operating Assets Net (decrease) increase in other assets Increase (Decrease) in Other Operating Liabilities Net increase in 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 (Payments for) in Interest-bearing Deposits in Banks Net decrease in long-term interest-earning deposits in other banks Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Proceeds from maturities, calls and pay-downs of securities available for sale Payments to Acquire Debt Securities, Available-for-sale Purchase of investment securities available for sale Increase (Decrease) of Restricted Investments Decrease in restricted stock Payments for (Proceeds from) Loans and Leases Net increase in loans Proceeds from Life Insurance Policies Proceeds from surrender of life insurance policies Proceeds from Sale of Equity Securities, FV-NI Proceeds from sale of equity securities Proceeds From Sale of Property Plant and Equipment Proceeds from sale of premises Payments to Acquire Other Productive Assets Capital expenditures Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities The net cash inflow or outflow for the increase (decrease) in the beginning and end of period demand deposits, interest-bearing checking, and savings accounts. Net Increase In Demand Deposits, Interest Bearing Checking, And Savings Accounts Net increase in demand deposits, interest-bearing checking, and savings accounts Increase (Decrease) in Time Deposits Net increase (decrease) in time deposits Payments of Dividends, Common Stock Dividends paid Payments for Repurchase of Common Stock Purchase of Treasury shares Proceeds from Stock Options Exercised Cash received from option exercises Proceeds To Stock Plans Proceeds To Stock Plans Treasury shares issued under dividend reinvestment plan Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at the end of the period Cash and cash equivalents at the beginning of the period Supplemental Cash Flow Information [Abstract] Supplemental Disclosures of Cash Flow Information Cash Paid [Abstract] Cash Paid [Abstract] Cash paid during the period for: Interest Paid, Net Interest on deposits and other borrowed funds Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Noncash Activities Recognition of Operating Lease Right-of-Use Asset Recognition of Operating Lease Right-of-Use Asset Lease liabilities arising from obtaining right-of-use assets Basis Of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis Of Presentation Recent Accounting Pronouncements [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Accumulated Other Comprehensive Income (Loss) [Abstract] Comprehensive Income Note [Text Block] Accumulated Other Comprehensive Income (Loss) Investments [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments Loans [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Loan Quality And Allowance For Credit Losses [Abstract] Allowance for Credit Losses [Text Block] Loan Quality And Allowance For Credit Losses Leases [Abstract] Lessee, Operating Leases [Text Block] Leases OREO [Abstract] Other Real Estate Owned [Abstract] Other Real Estate Owned Disclosure [Text Block] Other Real Estate Owned Disclosure [Text Block] Other Real Estate Owned Derivatives [Abstract] Derivatives, Policy [Text Block] Derivatives Pension [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Pension Fair Value Measurements And Fair Values Of Financial Instruments [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements And Fair Values Of Financial Instruments Deposit Liabilities Disclosure [Ttext Block] Deposits Borrowings [Abstract] Debt Disclosure [Text Block] Borrowings Capital Ratios [Abstract] Regulatory Capital Requirements under Banking Regulations [Text Block] Capital Ratios Revenue Recognition [Abstract] Revenue from Contract with Customer [Text Block] Revenue Recognition Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Reclassifications [Abstract] Reclassifications [Abstract] Reclassifications Disclosure Reclassifications Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Earnings Per Share, Policy [Policy Text Block] Earnings Per Share New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Standards Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule Of Earnings Per Share, Basic And Diluted Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule Of Accumulated Other Comprehensive Income (Loss) Unrealized Gain (Loss) on Investments [Table Text Block] Unrealized Gain (Loss) On Investments Investments Classified by Contractual Maturity Date [Table Text Block] 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 Unrealized Loss On Investments Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule Of Loans Outstanding Financing Receivable Credit Quality Indicators [Table Text Block] Schedule Of Loans By Year Of Origination And Internally Assigned Risk Ratings Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Schedule Of Nonaccrual Loans And Loans Past Due Over 90 Days And Still On Accrual By Class Of Loans Past Due Financing Receivables [Table Text Block] Aging Of Payments Of The Loan Portfolio Allowance for Credit Losses on Financing Receivables [Table Text Block] Allowance For Credit Losses (ACL), By Loan Segment Lease, Cost [Table Text Block] Schedule Of Lease Costs Schedule Of Lease Information [Table Text Block] Schedule Of Lease Information [Table Text Block] Schedule Of Measurement Of Lease Liabilities Schedule Of Future Minimum Payments Operating Leases [Table Text Block] Schedule Of Future Minimum Payments Operating Leases [Table Text Block] Schedule Of Future Minimum Payments Operating Leases Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule Of Fair Value Of Derivative Instruments Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] Schedule Of Effect Of Derivative Designated Instruments On The Statement Of Income Derivatives Not Designated as Hedging Instruments [Table Text Block] Schedule Of Effect Of Derivative Not Designated Instruments On The Statement Of Income Schedule of Derivative Instruments [Table Text Block] Schedule Of Derivative Financial Instrument Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Schedule of Net Benefit Costs [Table Text Block] Schedule Of Net Periodic Pension Costs Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule Of Fair Value, Assets And Liabilities Measured On Recurring Basis Fair Value Inputs, Assets, Quantitative Information [Table Text Block] Fair Value Inputs, Assets, Quantitative Information Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, By Balance Sheet Grouping Schedule of Deposits [Table Text Block] Schedule of Deposits [Table Text Block] Schedule Of Deposits Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Schedule Of The Total Risk-based, Tier 1 Risk-based And Tier 1 Leverage Requirements Disaggregation of Revenue [Table Text Block] Schedule Of Wealth Management Fees Supply Commitment [Table Text Block] Outstanding Commitments Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule Of Segment Reporting Information Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding (basic) Weighted Average Number Diluted Shares Outstanding Adjustment Impact of common stock equivalents Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding (diluted) Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] AOCI Including Portion Attributable to Noncontrolling Interest, before Tax Accumulated other comprehensive loss, Before tax AOCI Including Portion Attributable to Noncontrolling Interest, Tax Accumulated other comprehensive loss, Tax effect Schedule of Available-for-sale Securities [Table] Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Financial Instruments [Domain] Public Funds And Trust Deposits [Member] Public Funds And Trust Deposits [Member] Public Funds And Trust Deposits [Member] Schedule of Available-for-sale Securities [Line Items] Number Of Investments In A Single Issuer Exceeding Benchmark Number Of Investments In A Single Issuer Exceeding Benchmark Number of investments in a single issuer exceeds 10% of shareholders' equity Percent Of Shareholders Equity Benchmark For Investments In Single Issuers Percent Of Shareholders Equity Benchmark For Investments In Single Issuers Percent of shareholders equity benchmark for investments in a single issuer Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Fair Value Fair Value Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Unrealized Losses Unrealized Losses Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions Count Number of debt securities U S States And Political Subdivisions [Member] Municipal Bonds [Member] Corporate Debt Securities [Member] Corporate Bonds [Member] Mortgage Backed Securities Issued By U S Government Sponsored Enterprises [Member] Agency MBS & CMO [Member] Mortgage Backed Securities Issued By Private Enterprises [Member] Non-Agency MBS & CMO [Member] Asset Backed Securities Securitized Loans And Receivables [Member] Asset-Backed [Member] Debt Securities, Available-for-sale, Amortized Cost Amortized cost Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Gross unrealized gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Gross unrealized losses Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due in one year or less, Amortized cost Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Due after one year through five years, Amortized cost Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Due after five years through ten years, Amortized cost Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Due after ten years, Amortized cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Mortgage-backed securities, Amortized cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due in one year or less, Fair value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Due after one year through five years, Fair value Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Due after five years through ten years, Fair value Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Due after ten years, Fair value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Mortgage-backed securities, Fair value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Less than 12 months: Fair Value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Less than 12 months: Unrealized Losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Less than 12 months: Count Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 12 months or more: Fair Value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 12 months or more: Unrealized Losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions 12 months or more: Count Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Class of Financing Receivable [Axis] Financing Receivable Recorded Investment Class Of Financing Receivable [Domain] Class of Financing Receivable [Domain] Consumer First Liens [Member] Consumer First Liens [Member] Consumer First Liens [Member] Consumer Junior Liens And Lines Of Credit [Member] Consumer Junior Liens And Lines Of Credit [Member] Consumer Junior Liens And Lines Of Credit [Member] Consumer [Member] Consumer [Member] Consumer [Member] Commercial First Lien [Member] Commercial First Lien [Member] Commercial First Lien [Member] Commercial Junior Liens And Lines Of Credit [Member] Commercial Junior Liens And Lines Of Credit [Member] Commercial Junior Liens And Lines Of Credit [Member] Commercial [Member] Commercial [Member] Commercial [Member] First Liens [Member] First Liens [Member] First Liens [Member] Junior Lines And Lines Of Credit [Member] Junior Lines And Lines Of Credit [Member] Junior Lines And Lines Of Credit [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable, Troubled Debt Restructuring [Domain] Residential Portfolio Segment [Member] Residential Real Estate [Member] Residential Real Estate Construction Financing Receivable [Member] Residential Real Estate Construction Financing Receivable [Member] Residential Real Estate - Construction [Member] Commercial Real Estate Portfolio Segment [Member] Commercial Real Estate [Member] Commercial Portfolio Segment [Member] Commercial [Member] Commercial, Total [Member] Commercial Total [Member] Total Commercial [Member] Consumer Portfolio Segment [Member] Consumer [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Deferred Finance Costs, Net Net unamortized deferred loan costs Loans Receivable, Fair Value Disclosure Net loans Net loans Schedule of Financing Receivable, Allowance for Credit Losses [Table] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Other Assets Especially Mentioned [Member]. Other Assets Especially Mentioned [Member] OAEM [Member] Financing Receivable, Allowance for Credit Losses [Line Items] Loan deferrals or modifications. Loan deferrals or modifications Number Of Loans Pledged As Collateral Number Of Loans Pledged As Collateral Number of loans pledged as collateral Financing Receivable, Recorded Investment, Past Due Collateral dependent loan Financing Receivable, Modifications, Post-Modification Recorded Investment Loans modified Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default Loans to borrowers Residential Real Estate Commercial [Member] Residential Real Estate Commercial [Member] Residential Real Estate Commercial [Member] Residential Real Estate Consumer [Member] Residential Real Estate Consumer [Member] Residential Real Estate Consumer [Member] Pass [Member] Pass [Member] Substandard [Member] Substandard [Member] Financing Receivable, Year One, Originated, Current Fiscal Year Term loans, current year Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Term loans, one year before current fiscal year Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Term loans, two years before current fiscal year Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Term loans, three years before current fiscal year Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year Term loans, four years before current fiscal year Financing Receivable, Originated, More than Five Years before Current Fiscal Year Term loans, more than four years before current fiscal year Financing Receivable, Revolving Revolving loans amortized cost basis Financing Receivable, Revolving, Converted to Term Loan Revolving loans converted to term Financing Receivable Allowance For Credit Loss Writeoff Current Year Current period gross charge-offs, current year Financing Receivable allowance for credit loss writeoff year one Current period gross charge-offs, one year before current fiscal year Financing Receivable allowance for credit loss writeoff year two Current period gross charge-offs, two years before current fiscal year Current period gross charge-offs, 2020 Current period gross charge-offs, three years before current fiscal year Current period gross charge-offs, 2019 Current period gross charge-offs, four years before current fiscal year Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff Current period gross charge-offs, prior Financing Receivable allowance for credit loss writeoff Revolving Loans Amortized Cost Basis Current period gross charge-offs, revolving loans amortized cost basis Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery Charge-offs Current period gross charge-offs, total Schedule of Impaired Financing Receivable [Table] Junior Liens & Lines Of Credit [Member] Junior Liens Lines Of Credit [Member] Junior Liens & Lines Of Credit [Member] Financing Receivable, Impaired [Line Items] Financing Receivable, Nonaccrual, No Allowance Nonaccrual, without ACL Amount of financing receivable on nonaccrual status with allowance for credit loss. Financing Receivable Nonaccrual With Allowance Nonaccrual, with ACL Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing Loans past due 90 days or more and still accruing Schedule of Financing Receivables Past Due [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] Financing Receivables30 To59 Days Past Due [Member] 30 - 59 Days Past Due [Member] Financing Receivables60 To89 Days Past Due [Member] 60 - 89 Days Past Due [Member] Financing Receivables Equal To Greater Than90 Days Past Due [Member] 90 Days+ Past Due [Member] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Recorded Investment, Nonaccrual Status Non-accrual loans Financing Receivable, Allowance for Credit Losses, Recovery Recoveries Number of leases with a variable payment based on an index Number of leases with a variable payment based on an index Lessee, Operating Lease, Option to Extend Lessee, Operating Lease, Restriction or Covenant Finance Lease, Right-of-Use Asset, after Accumulated Amortization Finance lease Operating Lease, Cost Operating lease cost Short-term Lease, Cost Short-term lease cost Variable Lease, Cost Variable lease cost Lease, Cost Total lease cost Operating Lease, Payments Operating cash flows from operating leases Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term (years) Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2026 Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months 2027 Lessee, Operating Lease, Liability, Payments, Due Year Two 2028 Lessee, Operating Lease, Liability, Payments, Due Year Three 2029 Lessee, Operating Lease, Liability, Payments, Due Year Four 2030 Lessee, Operating Lease, Liability, Payments, Due after Year Five 2031 and beyond Lessee, Operating Lease, Liability, Payments, Due Undiscounted cash flow Lessee, Operating Lease, Liability, Undiscounted Excess Amount Imputed Interest Other Real Estate Other real estate owned Derivative [Table] Derivative [Line Items] Interest Income, Operating Interest income on investment Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Posted cash collateral Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Interest Rate Swap [Member] Interest Rate Swap [Member] Other Contracts [Member] Other Contracts [Member] Other Contracts [Member] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Nondesignated [Member] Not Designated as Hedging Instrument [Member] Derivatives, Fair Value [Line Items] Derivative, Notional Amount Notional Amount Interest Rate Derivatives, at Fair Value, Net Fair Value Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Amount of Gain or (Loss) Recognized in Income on Derivatives Derivative Instruments and Hedges, Assets Carrying amount of the hedged items Defined Benefit Plan, Service Cost Service cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Expected Return on Plan Assets Expected return on plan assets Defined Benefit Plan, Recognized Net Actuarial Gain (Loss) Defined Benefit Plan, Recognized Net Actuarial Gain (Loss) Recognized net actuarial loss Defined Benefit Plan, Net Periodic Benefit Cost Total pension expense Derivative Liabilities Derivative liabilities Assets, Fair Value Disclosure Total assets Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Fair Value Inputs Level3 [Member] Level 3 [Member] Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Recurring [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements Nonrecurring [Member] Nonrecurring [Member] Quantitative Information Percentage Quantitative Information Percentage Fair Value, by Balance Sheet Grouping [Table] Measurement Basis [Axis] Portion At Fair Value Fair Value Disclosure [Member] Portion at Fair Value Measurement [Member] Carrying Reported Amount Fair Value Disclosure [Member] Carrying Amount [Member] Estimate Of Fair Value Fair Value Disclosure [Member] Fair Value [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Long-term Interest-Bearing Deposits, Fair Value Disclosure Long-term Interest-Bearing Deposits, Fair Value Disclosure Long-term interest-earning deposits in other banks Loans Held-for-sale, Fair Value Disclosure Loans held for sale Fair value as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Interest Receivable, Fair Value Accrued interest receivable Deposits, Fair Value Disclosure Deposits Federal Home Loan Bank Borrowings, Fair Value Disclosure FHLB Advances Long-term Debt, Fair Value Subordinate notes Accrued Liabilities, Fair Value Disclosure Accrued interest payable Time Deposits 250000 Or More Time Deposits 250000 Or More Time deposits greater than $250,000 Interest-bearing Domestic Deposit, Checking Interest-bearing checking Interest-bearing Domestic Deposit, Money Market Money Management Interest-bearing Domestic Deposit, Savings Savings Interest-Bearing Deposit Liabilities Total interest-bearing checking and savings Interest-bearing Domestic Deposit, Time Deposits Time deposits Interest-bearing Domestic Deposit, Other Time Deposit Time - brokered deposits Deposit Liabilities Reclassified as Loans Receivable Overdrawn deposit accounts reclassified as loans Schedule of Federal Home Loan Bank Advances, by Branch of FHLB Bank [Table] Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] Debt and Lease Obligation Debt Notes Payable Subordinate notes Debt Issuance Costs, Gross Debt issuance costs Debt Instrument, Interest Rate, Stated Percentage Interest rate Debt Instrument, Basis Spread on Variable Rate Basis spread on variable rate Debt Instrument, Redemption Period Debt Instrument, Redemption Period Redemption period Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Subsidiaries [Member] Farmers & Merchants Trust Company [Member] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Capital Ratios, Capital Conservation Buffer Capital Ratios, Capital Conservation Buffer Capital ratios, capital conservation buffer Capital Ratios, Basel III, Capital Conservation Buffer, Year Three Capital Ratios, Basel III, Capital Conservation Buffer, Year Three Community Bank Leverage Ratio, Minimum Community Bank Leverage Ratio, Minimum Consolidated Asset Limit On Small Bank Holding Companies Consolidated Asset Limit On Small Bank Holding Companies Consolidated asset limit on small bank holding companies Parent Company [Member] Franklin Financial Services Corporation [Member] Tangible Capital to Tangible Assets Common Equity Tier 1 Risk-based Capital Ratio: Ratio Tangible Capital Required for Capital Adequacy to Tangible Assets Common Equity Tier 1 Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio Tangible Capital Required For Well Capitalized To Tangible Assets Tangible Capital Required For Well Capitalized To Tangible Assets Common Equity Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio Tier One Risk Based Capital to Risk Weighted Assets Tier 1 Risk-based Capital Ratio: Ratio Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Tier 1 Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Tier 1 Risk-based Capital Ratio: Well Capitalized Minimum: Ratio Capital to Risk Weighted Assets Total Risk-based Capital Ratio: Ratio Capital Required for Capital Adequacy to Risk Weighted Assets Total Risk-based Capital Ratio: Adequately Capitalized Minimum: Ratio Capital Required to be Well Capitalized to Risk Weighted Assets Total Risk-based Capital Ratio: Well Capitalized Minimum: Ratio Tier One Leverage Capital to Average Assets Tier 1 Leverage Ratio: Ratio Tier One Leverage Capital Required for Capital Adequacy to Average Assets Tier 1 Leverage Ratio: Adequately Capitalized Minimum: Ratio Tier One Leverage Capital Required to be Well Capitalized to Average Assets Tier 1 Leverage Ratio: Well Capitalized Minimum: Ratio Disaggregation of Revenue [Table] Product and Service [Axis] Products And Services [Domain] Products and Services [Domain] Asset Management Fees [Member] Asset Management Fees [Member] Asset Management Fees [Member] Estate Management Services Fees [Member] Estate Management Services Fees [Member] Estate Management Fees [Member] Commision [Member] Commision [Member] Commissions [Member] Disaggregation of Revenue [Line Items] Investment Banking Revenue Investment and trust services fees Estate Management Services Fees Recognition Period Estate Management Services Fees Recognition Period Estate management services Fees recognition period Loss Contingencies [Table] Loss Contingencies [Line Items] Stand by Letters Of Credit Extension Periods Stand by Letters Of Credit Extension Periods Standby letters of credit extension period, in years Loss Contingency Nature [Axis] Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Standby Letters Of Credit [Member] Standby Letters of Credit [Member] Commercial commitments to extend credit [Member] Commercial Commitments To Extend Credit [Member] Commercial Commitments To Extend Credit [Member] Consumer commitments to extend credit (secured) [Member] Consumer Commitments To Extend Credit Secured [Member] Consumer Commitments To Extend Credit (Secured) [Member] Consumer commitments to extend credit (unsecured) [Member] Consumer Commitments To Extend Credit Unsecured [Member] Consumer Commitments To Extend Credit (Unsecured) [Member] Commitments To Extend Credit [Member] Commitments To Extend Credit [Member] Commitments Outstanding Commitments Outstanding Commitments outstanding Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Revenue Including Interest Income And Other Revenue Revenue Including Interest Income And Other Revenue Total consolidated revenue Labor and Related Expense Salary and benefit expense Other non interest expense excluding salaries and benefits. Other Non Interest Expense Excluding Salaries And Benefits Other noninterest expense Number of reportable segments not disclosed flag. Number Of Reportable Segments Not Disclosed Flag Number of operating segment Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Insider Trading Arrangements [Line Items] Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Terminated [Flag] Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Terminated Treasury Stock Common [Member] Treasury Stock [Member] Accumulated Net Unrealized Investment Gain Loss [Member] Accumulated Other Comprehensive (Loss) Income, Debt Securities [Member] Accumulated Defined Benefit Plans Adjustment [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] U S Treasury Securities [Member] U.S Treasury [Member] FHLB [Member] Fhlb [Member] FHLB [Member] Federal Reserve Bank Advances [Member] Federal Reserve Bank Borrowings [Member] Related Party [Axis] Related Party [Domain] Related Party [Domain] Related Party Of Bank Director [Member] Related Party Of Bank Director [Member] Related Party Of Bank Director [Member] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Collateral Dependent [Member] Collateral Dependent [Member] Collateral Dependent [Member] Construction Loans [Member] Construction Loans [Member] Collateral Held [Axis] Collateral [Domain] Collateral Held [Domain] Collateral Pledged [Member] Collateral Pledged [Member] Performing Financing Receivable [Member] Performing [Member] Nonperforming Financing Receivable [Member] Nonperforming [Member] Financial Asset Not Past Due [Member] Current [Member] Financial Asset Past Due [Member] Total Past Due [Member] Designated As Hedging Instrument [Member] Designated as Hedging Instrument [Member] Securities Investment [Member] Securities Investment [Member] Collateral Dependent I [Member] Collateral Dependent I [Member] Collateral Dependent I [Member] Collateral Dependent 2 [Member]. Collateral Dependent2 [Member] Collateral Dependent II [Member] Collateral Dependent III [Member] Collateral Dependent Iii [Member] Collateral Dependent III [Member] Statistical Measurement [Axis] Range [Member] Range [Domain] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Weighted Average [Member] Weighted Average [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input Appraised Value [Member] Appraisal [Member] Measurement Input Cost To Sell [Member] Cost to Sell [Member] Long-Term Debt, Type [Axis] Longterm Debt Type [Domain] Long-Term Debt, Type [Domain] Subordinated Debt [Member] Subordinated Notes [Member] Federal Home Loan Bank Advances [Member] Federal Home Loan Bank (FHLB) Advances[Member] Federal Home Loan Bank Advances, Long-Term [Member] Federal Home Loan Bank Advances Long Term [Member] Federal Home Loan Bank (FHLB) Advances, Long-Term [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument Redemption Period [Domain] Debt Instrument, Redemption, Period [Domain] Maturing September 1, 2030 [Member] Maturing September12030 [Member] Maturing September 1, 2030 [Member] Maturing September 1, 2035 [Member] Maturing September12035 [Member] Maturing September 1, 2035 [Member] Debt Instrument Redemption Period Two [Member] Through June 29, 2025 [Member] Debt Instrument Redemption Period Five [Member] Through June 29, 2030 [Member] Debt Instrument, Redemption, Period Six [Member] Debt Instrument Redemption Period Six [Member] After June 29, 2030 [Member] Unfunded Loan Commitment [Member] Unfunded Commitments [Member] Segments [Axis] Segment [Domain] Segments [Domain] Community [Member] Community [Member] Community [Member] Wealth [Member] Wealth [Member] Wealth [Member] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments [Member] Operating Segments [Member] Corporate Non Segment [Member] Other [Member]