Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Entity Shell Company Entity Emerging Growth Company Entity Ex Transition Period Entity Small Business AOCI Attributable to Parent [Abstract] AOCI Attributable to Parent, Net of Tax [Roll Forward] Award Type [Axis] Number of securities owned with fair value less than cost Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions ASU 2016-02 [Member] Amortization and accretion on investment securities Accretion (Amortization) of Discounts and Premiums, Investments Unrealized Gain (Loss) on Available for Sale Securities [Member] Unrealized Gains and Losses on Available for Sale Securities [Member] Accumulated Other Comprehensive Income Loss [Table] Defined Benefit Pension Items [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Loss [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Additional paid-in capital Additional Paid-in Capital [Member] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments for New Accounting Pronouncements [Axis] Roll forward of Allowance for Loan Losses by Portfolio Segment Allowance for Credit Losses on Financing Receivables [Table Text Block] Amortization expense Antidilutive Securities [Axis] Antidilutive restricted stock excluded from net income per share calculations (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] ASSETS: ASSETS: Impaired Loans Assets, Fair Value Disclosure Lease Type [Abstract] TOTAL ASSETS Assets Gross unrealized gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Debt Securities [Abstract] Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] Gross unrealized losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Available-for-sale securities: Available for sale securities [Abstract] Amortized cost Debt Securities, Available-for-sale, Amortized Cost Due after five years through ten years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost Due in one year or less Available-for-Sale Debt Securities, Amortized Cost [Abstract] Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] Available-for-Sale Debt Securities, Fair Value [Abstract] Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract] Due after ten years Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost Due after ten years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value Due after five years through ten years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value Due after one year through five years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value Available-for-sale securities Fair value Fair value Debt Securities, Available-for-sale Due after one year through five years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost Due in one year or less Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value Balance Sheet Location [Domain] Balance Sheet Location [Axis] Earnings on bank owned life insurance Earnings on bank owned life insurance Bank owned life insurance Basis of Presentation Carrying Amount [Member] Cash and due from banks: Cash and Cash Equivalents [Abstract] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS AT END OF PERIOD Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Noninterest-bearing Cash and Due from Banks Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table] Loans acquired with specific evidence of deterioration in credit quality [Abstract] Accretion Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Balance at beginning of period Balance at end of period Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Changes in the accretable yield for purchased credit-impaired loans [Roll Forward] Carrying amount Outstanding balance Other Commercial Loans [Member] Other Commercial Loans [Member] Other Commercial Loans [Member] Commercial [Member] Commercial Real Estate [Member] Legal and Regulatory Proceedings Legal and Regulatory Proceedings [Abstract] Common Stock [Member] Common Stock, authorized (in shares) Cash dividends (in dollars per share) Common Stock, par value (in dollars per share) Common Stock, issued (in shares) Balance (in shares) Balance (in shares) Common Stock, Shares, Outstanding Common stock $1.00 par value; authorized 25,000,000 shares at March 31, 2019 and December 31, 2018; issued 3,904,212 at March 31, 2019 and December 31, 2018 Common Stock, Value, Issued Employee Benefit Plans [Abstract] Employee Benefit Plans Compensation and Employee Benefit Plans [Text Block] Accumulated Comprehensive Loss Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Concentration Risk Type [Domain] Concentration Risk Benchmark [Axis] Concentration Risk Type [Axis] Concentration Risk Benchmark [Domain] Concentration risk percentage Concentration Risk, Percentage Construction [Member] Construction Loans [Member] Consumer [Member] Core Deposit Intangibles [Member] Core Deposits [Member] Corporate Obligations [Member] Corporate Debt Securities [Member] Change in Accounting policy for equity securities Cumulative Effect of New Accounting Principle in Period of Adoption Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Table] Revenue from Customers [Abstract] Disaggregation of Revenue Derived from Contracts with Customers Disaggregation of Revenue [Table Text Block] Doubtful [Member] Twelve months or greater, Gross unrealized losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Less than twelve months, Fair value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Twelve months or greater, Fair value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Less than twelve months, Gross unrealized losses Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Total, Fair value Debt Securities, Available-for-sale, Unrealized Loss Position Total, Gross Unrealized Losses Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Available for sale securities gains, net Investment securities gains, net Borrowed funds Debt and Capital Lease Obligations Borrowed funds Debt Instrument, Fair Value Disclosure Deferred Compensation Arrangements [Abstract] Deferred income taxes Expected employer contribution to pension plan Defined Benefit Plan Disclosure [Line Items] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Interest cost Net periodic benefit cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Components of net periodic benefit cost [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Service cost Deposits Deposits, Fair Value Disclosure Total deposits Deposits Deposits: Depreciation and amortization Dividends Dividend Income, Operating Cash dividends Dividends, Common Stock, Cash Earnings per share basic and diluted [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Earnings per Share Earnings Per Share [Text Block] Net Income - Basic (in dollars per share) Earnings per share - basic (in dollars per share) Basic earnings per share computation [Abstract] Net Income - Diluted (in dollars per share) Earnings per share - diluted (in dollars per share) Diluted earnings per share computation [Abstract] PER COMMON SHARE DATA: Earnings per Share [Abstract] Period over which compensation cost is expected to be recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Compensation cost related to nonvested awards that has not yet been recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Furniture and equipment Less: Net gains realized on the sale of equity securities during the period Equity Securities, FV-NI, Realized Gain (Loss) Net unrealized gains (losses) Equity Securities, FV-NI, Unrealized Gain (Loss) Equity security gains, net Net gains (losses) recognized in equity securities during the period Equity Securities, FV-NI, Gain (Loss) Equity Securities [Abstract] Equity Securities, FV-NI, Gain (Loss) [Abstract] Equity Component [Domain] Equity securities Accumulated Comprehensive Loss [Abstract] Fair Value [Member] Fair Value, Net Asset (Liability) [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements [Abstract] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Measurement Frequency [Axis] Significant Unobservable Inputs Used in Fair Value Measurement Process Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Fair Value Hierarchy and NAV [Axis] Fair Value Measurement Inputs and Valuation Techniques [Table] Asset Class [Axis] Asset Class [Domain] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Recurring [Member] Fair Value, Measurement Frequency [Domain] Nonrecurring [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Measurements Fair Value Disclosures [Text Block] Assets Measured at Fair Value on Non-recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Level III [Member] Level I [Member] Level II [Member] FDIC insurance Other [Member] Financial Service, Other [Member] Financial Instrument [Axis] Financial liabilities [Abstract] Financial assets [Abstract] Total recidivism, Recorded investment Financing Receivable, Modifications, Subsequent Default, Recorded Investment Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract] Total past due Financing Receivable, Recorded Investment, Past Due Financing Receivable Credit Exposures by Internally Assigned Grades Financing Receivable Credit Quality Indicators [Table Text Block] Class of Financing Receivable, Type [Domain] Number of contract, subsequently defaults Financing Receivable, Modifications, Subsequent Default, Number of Contracts Pre-modification outstanding recorded investment Financing Receivable, Modifications, Pre-Modification Recorded Investment Balance at beginning of period Balance at end of period Total Financing Receivable, Allowance for Credit Losses 60 to 89 Days Past Due [Member] 90 Days Or Greater [Member] Financing receivable nonaccrual status Financing Receivable, Recorded Investment, Nonaccrual Status Recoveries Financing Receivable, Allowance for Credit Losses, Recovery Financing Receivable, Allowance for Credit Losses [Line Items] 30 to 59 Days Past Due [Member] Number of contracts Financing Receivable, Modifications, Number of Contracts Financing Receivable, Modifications [Line Items] Individually evaluated for impairment Financing Receivable, Individually Evaluated for Impairment Financing Receivables, Period Past Due [Axis] Collectively evaluated for impairment Financing Receivable, Collectively Evaluated for Impairment Financing Receivable Portfolio Segment [Axis] Individually evaluated for impairment Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment Current Financing Receivables, Period Past Due [Domain] Post-modification outstanding recorded investment Financing Receivable, Modifications, Post-Modification Recorded Investment Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Allowance for Credit Losses [Roll Forward] Class of Financing Receivable, Type [Axis] Recorded investment of past due [Abstract] Financing Receivable, Recorded Investment, Aging [Abstract] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Impaired [Line Items] Financing Receivable Portfolio Segment [Domain] Charge-offs Financing Receivable, Allowance for Credit Losses, Write-downs 90 Days or greater and accruing Collectively evaluated for impairment Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment 2020 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Remaining 2019 Net carrying value Finite-Lived Intangible Assets, Net Gross carrying value Finite-Lived Intangible Assets, Gross 2021 Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] 2022 Amortized intangible assets [Abstract] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets [Line Items] Estimated Amortization Expense [Abstract] Actual and Estimated Future Amortization Expense [Abstract] First Mortgage [Member] Other real estate owned Repossessed Assets Gains on loans sold Realized gains on loans sold Goodwill Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets [Abstract] Home Equity [Member] Home Equity [Member] Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment Total Recorded Investment Impaired Financing Receivable, Recorded Investment Interest Income Recognized Impaired Financing Receivable, Interest Income, Accrual Method Unpaid Principal Balance Related Allowance Impaired Financing Receivables with Associated Allowance Amount Recorded Investment With No Allowance Interest Income Recognized Cash Basis Impaired Financing Receivable, Interest Income, Cash Basis Method Recorded Investment With Allowance Valuation, Income Approach [Member] Income Statement Location [Domain] Income Statement Location [Axis] Income before provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) [Abstract] Provision for income taxes Provision for income taxes Income taxes paid Net increase in deposits Increase (Decrease) in Deposits Increase in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Increase (decrease) in accrued interest payable Increase (Decrease) in Interest Payable, Net Increase (Decrease) in Stockholders' Equity [Roll Forward] Add: Dilutive effects of restricted stock (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Other intangibles TOTAL INTEREST INCOME Interest and Dividend Income, Operating Accrued interest payable Investment securities: Interest and fees on loans INTEREST INCOME: INTEREST EXPENSE: TOTAL INTEREST EXPENSE Interest Expense Borrowed funds Interest Expense, Borrowings NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES Interest Income (Expense), after Provision for Loan Loss Deposits Interest Expense, Deposits NET INTEREST INCOME Interest Income (Expense), Net Interest-bearing deposits with banks Taxable Interest paid Nontaxable Accrued interest receivable Interest Receivable Interest-bearing Interest-bearing Deposits in Banks and Other Financial Institutions Interest-bearing Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Amortized Cost and Fair Value of Debt Securities by Contractual Maturity Investments [Abstract] Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Undiscounted Cashflows Due Related to Operating Leases 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Lease, Description [Line Items] Impact of present value discount 2023 Lessee, Lease, Description [Table] Total undiscounted cash flows Lessee, Operating Lease, Liability, Payments, Due Remaining 2019 Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three Salaries and employee benefits Total lease cost Lease Cost [Abstract] Lease Cost Leases Leases [Abstract] TOTAL LIABILITIES Liabilities TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity LIABILITIES: Financing Receivable, Troubled Debt Restructuring [Axis] Financing Receivable, Troubled Debt Restructuring [Domain] Allowance for loan losses Loans, allowance for loan losses Total financing receivables Loans and Leases Receivable, Gross Loans (net of allowance for loan losses: 2019, $13,084 and 2018, $12,884) Net loans Loans and Leases Receivable, Net Amount Loans held for sale Loans held for sale Loans Held-for-sale, Fair Value Disclosure Net loans Loans Receivable, Fair Value Disclosure Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Equity securities Marketable Securities Selling Costs [Member] Measurement Input, Cost to Sell [Member] Measurement Input Type [Domain] Measurement Input Type [Axis] Discount for Time Since Appraisal [Member] Measurement Input, Discount Rate [Member] Formal foreclosure proceedings on potential foreclosure assets Mortgage Loans in Process of Foreclosure, Amount Mortgage-backed Securities in Government Sponsored Entities [Member] Mortgage-backed securities in government sponsored entities Mortgage-backed Securities Available-for-sale, Fair Value Disclosure Nonperforming [Member] Nonperforming Financial Instruments [Member] CASH FLOWS FROM FINANCING ACTIVITIES: Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM INVESTING ACTIVITIES: CASH FLOWS FROM OPERATING ACTIVITIES: Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities NET INCOME Net income applicable to common stock Net income Recent Accounting Pronouncements New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Recent Accounting Pronouncements [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] Recent Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Non-cash Transactions [Abstract] Covenant not to Compete [Member] Noncompete Agreements [Member] TOTAL NON-INTEREST EXPENSES Noninterest Expense TOTAL NON-INTEREST INCOME Noninterest Income NON-INTEREST EXPENSES: Noninterest-bearing NON-INTEREST INCOME: Other Noninterest Income, Other Operating Income Total Financing Receivable, Net Other comprehensive loss before reclassifications (net of tax) OCI, before Reclassifications, Net of Tax, Attributable to Parent Occupancy Weighted average discount rate Lease liabilities Operating Amount reported on balance sheet Right-of-use assets Operating Operating lease cost Undiscounted Cash Flows Due Within Operating [Abstract] Weighted average term (years) Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation [Abstract] Other real estate owned, Measurement input Income tax effect Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Change in unrecognized pension cost Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Other assets Other, net Change in unrealized gains (losses) on available for sale securities Income tax effect Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax Other expenses Other Expenses Other liabilities Foreclosed assets held for sale Foreclosed assets held for sale [Abstract] Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract] Other Other Liabilities [Member] Other Assets [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss), net of tax Net other comprehensive income (loss) Performing [Member] Performing Financial Instruments [Member] Aging Analysis of Past Due Financing Receivables Pass [Member] Net increase in loans Payments for (Proceeds from) Loans and Leases Purchase of regulatory stock Payments to Acquire Federal Home Loan Bank Stock Purchase of treasury and restricted stock Payments for Repurchase of Common Stock Originations of loans held for sale Payments for Origination of Mortgage Loans Held-for-sale Dividends paid Payments of Ordinary Dividends, Common Stock Purchase of securities Payments to Acquire Available-for-sale Securities Purchase of premises and equipment Payments to Acquire Productive Assets Pension Plan [Member] Investment securities pledged as collateral Pledged Financial Instruments, Not Separately Reported, Securities Portion at Fair Value Measurement [Member] Preferred Stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred Stock, authorized (in shares) Preferred Stock, Shares Authorized Preferred Stock, issued (in shares) Preferred Stock, Shares Issued Preferred Stock $1.00 par value; authorized 3,000,000 shares at March 31, 2019 and December 31, 2018; none issued in 2019 or 2018 Preferred Stock, Value, Issued Proceeds from redemption of regulatory stock Proceeds from Sale of Federal Home Loan Bank Stock Net (decrease) increase in short-term borrowed funds Proceeds from long-term borrowings Proceeds from maturity and principal repayments Proceeds from sale of foreclosed assets held for sale Proceeds from sale of premises and equipment Proceeds from sale of securities available-for-sale Proceeds from Sale of Available-for-sale Securities Proceeds from sales of loans held for sale Product Concentration Risk [Member] Professional fees Premises and equipment Provision for loan losses Provision Right of use asset and liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Loans [Abstract] Amounts reclassified from accumulated other comprehensive loss (net of tax) Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Amount Reclassified from Accumulated Comprehensive Income (Loss) [Member] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Significant Amounts Reclassified Out of Each Component of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Domain] Repayments of long-term borrowings Repayments of Long-term Debt Residential [Member] Residential Real Estate [Member] Mortgages [Member] Residential Mortgage [Member] Restricted Stock [Member] Retained earnings Retained Earnings [Member] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Revenue from customers Revenue from Contract with Customer, Excluding Assessed Tax Revenue Recognition [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Revenue Recognition Substandard [Member] Future Amortization Expense for Amortized Intangible Assets Revenue [Member] Sales Revenue, Net [Member] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Unrealized Losses and Fair Value of Investments Gross Carrying Value and Accumulated Amortization of Intangible Assets Components of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Restricted Stock Activity Computation of Earnings per Share Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Financing Receivables on Nonaccrual Status Schedule of Financing Receivables, Non Accrual Status [Table Text Block] Schedule of Impaired Financing Receivable [Table] Schedule of Finite-Lived Intangible Assets [Table] Assets Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Schedule of Available-for-sale Securities [Line Items] Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax Amortized Cost and Fair Value of Investment Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Available-for-sale Securities [Table] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Second Mortgage [Member] Service Charges [Member] Service [Member] MSRs [Member] Weighted Average Market Price [Roll Forward] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based compensation expense Additional General Disclosures [Abstract] Forfeited (in shares) Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Unvested Shares [Roll Forward] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Granted (in dollars per share) Outstanding, beginning of period (in dollars per share) Outstanding, end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Number of shares available for grant (in shares) Number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Award Type [Domain] Special Mention [Member] CONSOLIDATED BALANCE SHEET (UNAUDITED) [Abstract] CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract] Statement [Line Items] Statement [Table] CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) [Abstract] Equity Components [Axis] Consolidated Statement of Changes in Stockholders' Equity [Abstract] Restricted stock vesting Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock, executive and Board of Director awards Stock Issued During Period, Value, Restricted Stock Award, Gross Balance Balance TOTAL STOCKHOLDERS' EQUITY Stockholders' Equity Attributable to Parent STOCKHOLDERS' EQUITY: Supplemental Disclosures of Cash Flow Information: Loans transferred to foreclosed property Financial Instruments [Domain] Purchase of treasury stock (in shares) Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Treasury Stock [Member] Treasury stock, at cost: 405,378 shares at March 31, 2019 and 399,616 shares at December 31, 2018 Treasury Stock, Value Treasury stock, shares (in shares) Troubled Debt Restructurings on Financing Receivables Troubled Debt Restructurings on Financing Receivables [Table Text Block] Type of Adoption [Domain] Loss [Member] Unallocated [Member] Unrealized Gains (Losses) Related to Equity Securities U.S. Agency Securities [Member] Obligations of State and Political Subdivisions [Member] US States and Political Subdivisions Debt Securities [Member] U.S. Treasury Securities [Member] US Treasury Securities [Member] Discounted Cash Flows [Member] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Variable lease cost Number of shares used in computation - basic (in shares) Weighted average common shares outstanding for basic earnings per share (in shares) Weighted average common shares outstanding (in shares) Number of shares used in computation - diluted (in shares) Weighted average common shares outstanding for dilutive earnings per share (in shares) Counterparty Name [Axis] Maximum [Member] Minimum [Member] Mortgage Loans on Real Estate, Loan Category [Domain] Mortgage Loans on Real Estate, Description, Loan Category [Axis] Products and Services [Domain] Products and Services [Axis] Range [Domain] Range [Axis] Counterparty Name [Domain] Weighted Average [Member] Represents amount over which all relationships to be reviewed for all internal and external loan on aggregate basis to ensure the appropriateness of the loan grade. Amount over which all relationship to be reviewed Amount over which all relationships to be reviewed Represents amount to be reviewed for all internal and external loan all aggregate loan relationships which are over 30 days past due to ensure the appropriateness of the loan grade. Amount which is 30 days past due to be reviewed for all aggregate loan relationships Financing Receivable [Abstract] Financing Receivable [Abstract] Represents purchased credit impaired loan. Purchased Credit Impaired Loan [Member] PCI [Member] Credit quality indicators that are developed and used internally by the company. Internally Assigned Grade 1 [Member] Internally Assigned Grade [Member] Financing Receivable by credit exposure [Abstract] Recorded investment in financing receivables that are current and still accruing. Financing Receivable Recorded Investment Current And Still Accruing Current and still accruing Recorded investment in financing receivables that are past due and still accruing. Financing Receivable Recorded Investment Total Past Due And Still Accruing Total past due and still accruing Refers to the purchased credit impaired loans that are still accruing. Purchased Credit Impaired Loans And Still Accruing PCI Loans still accruing Elements refers to Purchased credit impaired (PCI) loans. Purchased Credit Impaired Loans PCI Refers to period of past due after which loans are considered as non accrual. Period past due after which loans considered as non accrual Period of past due after which loans considered as non accrual Recorded investment in financing receivables that are past due and non accrual. Financing Receivable Recorded Investment Total past Due And Non Accrual Total past due and non-accrual Recorded investment in financing receivables total that are still accruing. Financing Receivable Recorded Investment Total And Still Accruing Total financing receivables and still accruing Financing receivables on accrual status [Abstract] Recorded investment in financing receivables that are current and non accrual. Financing Receivable Recorded Investment Current And Non Accrual Current and non-accrual Refers to purchase credit impaired loans that are non accrual. Purchased Credit Impaired Loans, Non accrual PCI Loans considered non accrual Financing receivables on nonaccrual status [Abstract] Assets Lessee [Abstract] Right of Use Assets [Abstract] Liabilities Lessee [Abstract] Lease Liabilities [Abstract] Amount of lessee's undiscounted obligation for lease payments for operating lease, due in sixth fiscal year following the latest fiscal year. Lessee Operating Lease Liability Due Year Six 2024 Amount of lessee's undiscounted obligation for lease payments for operating lease, due in seventh year and thereafter following the latest fiscal year. Lessee Operating Lease Liability Due Year Seven and Thereafter 2025 and thereafter Remaining Lease Term and Discount Rate [Abstract] Payments to purchase Interest-bearing Time Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits. Payments To Acquire Interest Bearing Time Deposits In Other Banks Purchase of interest bearing time deposits with other banks Impaired Financing Receivable [Abstract] Impaired Financing Receivable [Abstract] Document and Entity Information [Abstract] Refers to the number of plans during the period. Number Of Plans Number of plans The net amortization and deferral expenses. The net amortization and deferral component is a portion of the benefit obligation and is unaffected by the funded status of the plan. Defined Benefit Plan Net amortization and deferral Net amortization and deferral Primary financial statement caption encompassing other expense. Other Expenses [Member] Other Expenses [Member] The expenditures for salaries and employee benefit for officers and non-officers. Salary and Employee Benefits [Member] Salary and Employee Benefits [Member] Class of financing receivables related to agricultural real estate loans. Agricultural [Member] Agricultural [Member] Portfolio segment of the entity's total financing receivables related to state and political subdivision loans. State and political subdivision loans [Member] State and Political Subdivision Loans [Member] Class of financing receivables related to agricultural loans excluding real estate. Other Agricultural Loans [Member] Other Agricultural Loans [Member] Portfolio segment of the entity's total financing receivables related to real estate loans. Real estate loans [Member] Real Estate Loans [Member] Represents information about consumer residential mortgages. Consumer Residential Mortgages [Member] Available for-sale, Debt Securities, Continuous Unrealized Loss Position Fair Value and Unrealized Losses [Abstract] Available-for-sale, Debt Securities, Fair Value and Gross Unrealized Losses [Abstract] Interchange rate is a fee charged by banks that covers the cost of handling and credit risk inherent in a bank credit or debit card transaction. Interchange fees are usually paid to the bank funding a transaction and thus bearing the risk. Interchange Revenue [Member] Interchange Revenue [Member] ATM usage fees are the fees that many banks and interbank networks charge for the use of their automated teller machines (ATMs). In some cases, these fees are assessed solely for non-members of the bank; in other cases, they apply to all users. Automated Teller Machine Income [Member] ATM Income [Member] Financial institution providing services on deposit accounts. Services include, but are not limited to, overdraft fees, statement fees, interchange revenue, ATM income, classified as other. Service Charges on Deposit Accounts, Other [Member] Other Service Charges [Member] A fee charged when a withdrawal from an individual's bank account exceeds the available balance. The bank will institute such a fee to cover the cost of the transaction. Overdraft fees vary by financial institution and can be incurred for each transaction going over the available account balance. Overdraft Fees [Member] Overdraft Fees [Member] Statement fees is a monthly or annual maintenance fees for certain accounts. Statement Fees [Member] Statement Fees [Member] Primary sources of revenue emanating from interest and dividend income on loans and investment along with noninterest revenue resulting from investment security gains, loan servicing, gains on the sale of loans, commitment fees, fees from financial guarantees and earnings on bank owned life insurances Products and Services Not within Scope of ASC 606 [Member] Products and Services Not within the Scope of ASC 606 [Member] Concentration Risk [Abstract] Concentration Risk [Abstract] Tabular disclosure of lessee's right of use assets and lease liabilities. Assets And Liabilities Lessee [Table Text Block] Right of Use Assets and Lease Liabilities Tabular disclosure of weighted average remaining lease term and discount rate disclosures related to operating leases. Lessee Weighted Average Remaining Lease Term and Discount Rate Disclosures Related To Operating Leases [Table Text Block] Weighted Average Remaining Lease Term and Discount Rate Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. Share-based Payment Award, Fair Value Assumptions, Exercise Price Antidilutive stock share price range (in dollars per share) Antidilutive Securities [Abstract] Interest bearing time deposits with other banks as of the balance sheet date. Interest bearing time deposits with other banks Appraised collateral values valuation technique used to measure fair value. Appraised Collateral Values [Member] Appraised Collateral Values [Member] Refers to impaired loans, which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the as of the balance sheet date. Impaired Loans [Member] Impaired Loans [Member] Refers to amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Other real estate owned [Member] Other Real Estate Owned [Member] Value of input used to measure investment in impaired loans at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Impaired Loans Measurement Input Impaired loans, Measurement input Holding period, used as an input to measure fair value. Fair Value Inputs Holding period Holding period Non Interest Incomes [Abstract] NON-INTEREST INCOME: Fees includes commissions from the sales of investments and insurance products recognized on a trade date basis as the performance obligation is satisfied at the point in time in which the trade is processed. Additional fees are based on a percentage of the market value of customer accounts and billed on a monthly/quarterly basis. Brokerage and Insurance [Member] Brokerage and Insurance [Member] Typical contracts for trust services are based on a fixed percentage of the assets earned ratably over a defined period and billed on a monthly. Fees charged to customers' accounts are recognized as revenue over the period during which the Company fulfills its performance obligation under the contract (i.e., holding client asset in a managed fiduciary trust account). For these accounts, the performance obligation of the Company is typically satisfied by holding and managing the customer's assets over time. Trust Fees [Member] Trust [Member] Transaction fees related to specific transactions or activities resulting from a customer request or activity that include overdraft fees, online banking fees, interchange fees, ATM fees and other transaction fees. All of these fees are attributable to specific performance obligations where the revenue is recognized at a defined point in time, completion of the requested service/transaction. Service Charges on Deposit Accounts [Member] Service Charges [Member] Refers to other real estate expenses (recovery). ORE Expenses Recovery ORE expenses The aggregate expense charged against earnings to allocate the cost of intangible assets (Core deposits and Non Compete) (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization of Intangible Assets Core Deposits and Non Compete Amortization of intangibles Tax imposed by the Commonwealth of Pennsylvania on the book value of capital stock. Pennsylvania Shares tax Pennsylvania shares tax Indefinite Lived Intangible Assets Net [Abstract] Unamortized intangible assets [Abstract] Gross Carrying Value Of Intangible Assets And Accumulated Amortization [Abstract] Represents amount over which all new loans to be reviewed for all internal and external loan on aggregate basis to ensure the appropriateness of the loan grade. Amount over which all new loans to be reviewed, minimum Amount over which all new loans to be reviewed Refers to percentage of dollar volume of commercial loan portfolio to be reviewed on annual basis . Percentage of commercial loan portfolio to be reviewed Percentage of dollar volume of commercial loan portfolio to be reviewed The number of days past due before a loan is classified as impaired. Number of Days Past Due For Loan to be Considered Impaired Number of days past for loan to be considered impaired, Minimum Refers to period of mortgage on residential real estate. Period of mortgage on real estate Period of mortgage on real estate Segments of loan portfolio and allowance for loan losses [Abstract] Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. Related to Loans acquired with deteriorated credit quality. Loans And Leases Receivable Net Reported Amount Related To Loans Acquired With Deteriorated Credit Quality Net loans, loans acquired with deteriorated credit quality The balance of financing receivables that were acquired with deteriorated credit quality. Financing Receivable, Loans Acquired With Deteriorated Credit Quality Loans acquired with deteriorated credit quality Refers to Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. Related to Individually evaluated for impairment. Loans And Leases Receivable Net Reported Amount Related To Individually evaluated for impairment Net loans, individually evaluated for impairment Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. Related to Collectively evaluated for impairment. Loans And Leases Receivable Net Reported Amount Related To Collectively evaluated for impairment Net loans, collectively evaluated for impairment Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements, related to loans acquired with deteriorated credit quality. Loans and Leases Receivable, Allowance Related to Loans Acquired With Deteriorated Credit Quality Allowance for loan losses related to loans acquired with deteriorated credit quality Refers to the acquiree entity name. First National Bank of Fredericksburg [Member] First National Bank of Fredericksburg [Member] Tabular disclosure of loan portfolio evaluated with individually and collectively impairment and the allowance for loan losses. Schedule of loan portfolio and allowance for loan losses [Table Text Block] Loan Portfolio and Allowance for Loan Losses Tabular disclosure of accretable yield for purchased credit impaired loans. Accretable Yield For Purchased Credit Impaired Loans [Table Text Block] Accretable Yield for Purchased Credit Impaired Loans Tabular disclosure of loans acquired with specific evidence of deterioration in credit quality. Loans Acquired With Specific Evidence Of Deterioration In Credit Quality [Table Text Block] Loans Acquired with Specific Evidence of Deterioration in Credit Quality Tabular disclosure of allowance for credit losses individually evaluated for impairment and collectively evaluated for impairment. Schedule of allowance for loan losses [Table Text Block] Allowance for Loan Losses by Impairment Method Tabular disclosure of subsequently defaulted recorded investment in loans that were modified as TDRs. Schedule of Subsequent Default Recorded Investment [Table Text Block] Subsequent Default Recorded Investment Amount of allowance for credit losses related to recorded investment in financing receivable categorized as troubled debt restructuring. Troubled debt Financing Receivable Related Allowance Reserves of allowance for loan losses Subsequent Default [Abstract] Recidivism receivables [Abstract] Real estate portfolio segment of the entity related to interest modification. Interest Modification [Member] Real estate portfolio segment of the entity related to term modification. Term Modification [Member] Financing Receivable Modifications [Abstract] Financing receivable modifications [Abstract] This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents corporate obligations issued debt securities. Corporate obligations Fair Value Disclosure Corporate obligations This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents bonds or similar securities issued by state, city, province, or local governments or their agencies in either the United States or a foreign country. Debt securities issued by state governments or provinces may include bond issuances of US state or foreign authorities. Debt securities issued by political subdivisions or US states may include debt issuances by county, borough, city, or municipal governments. Obligations of state and political subdivisions fair value disclosure Obligations of state and political subdivisions This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents U.S. agency issued debt securities. U.S. agency securities Fair Value Disclosure U.S. Agency Securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents U.S. treasury issued debt securities. U.S. treasuries securities Fair Value Disclosure U.S. Treasury securities Fair Value Assets And Liabilities Measured On NonRecurring Basis [Abstract] Fair value assets and liabilities measured on non-recurring basis [Abstract] Refers to the estimated selling cost of impaired loans excluded from calculation of fair value. Impaired loans Estimated Selling Cost Impaired loans, estimated selling cost