3.26.1 html 702 412 1 true 111 0 false 8 false false R1.htm 75000 - Document - Document And Entity Information Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 75010 - Statement - Consolidated Balance Sheets (Current Period Unaudited) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedBalanceSheetsCurrentPeriodUnaudited Consolidated Balance Sheets (Current Period Unaudited) Statements 2 false false R3.htm 75020 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedBalanceSheetsCurrentPeriodUnauditedParentheticals Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Statements 3 false false R4.htm 75030 - Statement - Consolidated Statements of Income (Unaudited) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedStatementsOfIncomeUnaudited Consolidated Statements of Income (Unaudited) Statements 4 false false R5.htm 75040 - Statement - Consolidated Statements of Comprehensive Income (Unaudited) Sheet http://qnbcorp.com/20260331/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeUnaudited Consolidated Statements of Comprehensive Income (Unaudited) Statements 5 false false R6.htm 75050 - Statement - Consolidated Statement of Shareholders' Equity (Unaudited) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedStatementOfShareholdersEquityUnaudited Consolidated Statement of Shareholders' Equity (Unaudited) Statements 6 false false R7.htm 75060 - Statement - Consolidated Statement of Shareholders' Equity (Unaudited) (Parentheticals) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedStatementOfShareholdersEquityUnauditedParentheticals Consolidated Statement of Shareholders' Equity (Unaudited) (Parentheticals) Statements 7 false false R8.htm 75070 - Statement - Consolidated Statements of Cash Flows (Unaudited) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlowsUnaudited Consolidated Statements of Cash Flows (Unaudited) Statements 8 false false R9.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 9 false false R10.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 10 false false R11.htm 995455 - Disclosure - Note 1 - Basis of Presentation Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote1BasisOfPresentation Note 1 - Basis of Presentation Notes 11 false false R12.htm 995465 - Disclosure - Note 2 - Recent Accounting Pronouncements Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote2RecentAccountingPronouncements Note 2 - Recent Accounting Pronouncements Notes 12 false false R13.htm 995475 - Disclosure - Note 3 - Stock-Based Compensation and Shareholders' Equity Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote3StockbasedCompensationAndShareholdersEquity Note 3 - Stock-Based Compensation and Shareholders' Equity Notes 13 false false R14.htm 995485 - Disclosure - Note 4 - Earnings Per Share and Share Repurchase Plan Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote4EarningsPerShareAndShareRepurchasePlan Note 4 - Earnings Per Share and Share Repurchase Plan Notes 14 false false R15.htm 995495 - Disclosure - Note 5 - Comprehensive Income (Loss) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote5ComprehensiveIncomeLoss Note 5 - Comprehensive Income (Loss) Notes 15 false false R16.htm 995505 - Disclosure - Note 6 - Investment Securities Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecurities Note 6 - Investment Securities Notes 16 false false R17.htm 995515 - Disclosure - Note 7 - Restricted Investments in Stock Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote7RestrictedInvestmentsInStock Note 7 - Restricted Investments in Stock Notes 17 false false R18.htm 995525 - Disclosure - Note 8 - Loans & Allowance for Credit Losses on Loans Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8LoansAllowanceForCreditLossesOnLoans Note 8 - Loans & Allowance for Credit Losses on Loans Notes 18 false false R19.htm 995535 - Disclosure - Note 9 - Fair Value Measurements and Disclosures Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FairValueMeasurementsAndDisclosures Note 9 - Fair Value Measurements and Disclosures Notes 19 false false R20.htm 995545 - Disclosure - Note 10 - Commitments and Contingencies Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote10CommitmentsAndContingencies1 Note 10 - Commitments and Contingencies Notes 20 false false R21.htm 995555 - Disclosure - Note 11 - Regulatory Restrictions Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote11RegulatoryRestrictions Note 11 - Regulatory Restrictions Notes 21 false false R22.htm 995565 - Disclosure - Note 12 - Derivatives and Hedging Activities Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote12DerivativesAndHedgingActivities Note 12 - Derivatives and Hedging Activities Notes 22 false false R23.htm 995575 - Disclosure - Note 13 - Subordinated Debt Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote13SubordinatedDebt Note 13 - Subordinated Debt Notes 23 false false R24.htm 995595 - Disclosure - Note 3 - Stock-based Compensation and Shareholders' Equity (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote3StockBasedCompensationAndShareholdersEquityTables Note 3 - Stock-based Compensation and Shareholders' Equity (Tables) Tables 24 false false R25.htm 995605 - Disclosure - Note 4 - Earnings Per Share and Share Repurchase Plan (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote4EarningsPerShareAndShareRepurchasePlanTables Note 4 - Earnings Per Share and Share Repurchase Plan (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote4EarningsPerShareAndShareRepurchasePlan 25 false false R26.htm 995615 - Disclosure - Note 5 - Comprehensive Income (Loss) (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote5ComprehensiveIncomeLossTables Note 5 - Comprehensive Income (Loss) (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote5ComprehensiveIncomeLoss 26 false false R27.htm 995625 - Disclosure - Note 6 - Investment Securities (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecuritiesTables Note 6 - Investment Securities (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecurities 27 false false R28.htm 995635 - Disclosure - Note 8 - Loans & Allowance for Credit Losses on Loans (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8LoansAllowanceForCreditLossesOnLoansTables Note 8 - Loans & Allowance for Credit Losses on Loans (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8LoansAllowanceForCreditLossesOnLoans 28 false false R29.htm 995645 - Disclosure - Note 9 - Fair Value Measurements and Disclosures (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FairValueMeasurementsAndDisclosuresTables Note 9 - Fair Value Measurements and Disclosures (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FairValueMeasurementsAndDisclosures 29 false false R30.htm 995655 - Disclosure - Note 10 - Commitments and Contingencies (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote10CommitmentsAndContingenciesTables Note 10 - Commitments and Contingencies (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote10CommitmentsAndContingencies1 30 false false R31.htm 995665 - Disclosure - Note 11 - Regulatory Restrictions (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote11RegulatoryRestrictionsTables Note 11 - Regulatory Restrictions (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote11RegulatoryRestrictions 31 false false R32.htm 995675 - Disclosure - Note 12 - Derivatives and Hedging Activities (Tables) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote12DerivativesAndHedgingActivitiesTables Note 12 - Derivatives and Hedging Activities (Tables) Tables http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote12DerivativesAndHedgingActivities 32 false false R33.htm 995685 - Disclosure - Note 2 Basis Of Presentation (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote2BasisOfPresentationDetailsTextual Note 2 Basis Of Presentation (Details Textual) Details 33 false false R34.htm 995705 - Disclosure - Note 3 - Stock-Based Compensation and Shareholders' Equity (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote3StockbasedCompensationAndShareholdersEquityDetailsTextual Note 3 - Stock-Based Compensation and Shareholders' Equity (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote3StockbasedCompensationAndShareholdersEquity 34 false false R35.htm 995715 - Disclosure - Note 3 - Assumptions Used in Option Pricing Model (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote3AssumptionsUsedInOptionPricingModelDetails Note 3 - Assumptions Used in Option Pricing Model (Details) Details 35 false false R36.htm 995725 - Disclosure - Note 3 - Stock Option Activity (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote3StockOptionActivityDetails Note 3 - Stock Option Activity (Details) Details 36 false false R37.htm 995735 - Disclosure - Note 3 - Restricted Stock Award Activity (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote3RestrictedStockAwardActivityDetails Note 3 - Restricted Stock Award Activity (Details) Details 37 false false R38.htm 995745 - Disclosure - Note 4 - Computation of Basic and Diluted Earnings Per Share (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote4ComputationOfBasicAndDilutedEarningsPerShareDetails Note 4 - Computation of Basic and Diluted Earnings Per Share (Details) Details 38 false false R39.htm 995755 - Disclosure - Note 4 - Earnings Per Share and Share Repurchase Plan (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote4EarningsPerShareAndShareRepurchasePlanDetailsTextual Note 4 - Earnings Per Share and Share Repurchase Plan (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote4EarningsPerShareAndShareRepurchasePlanTables 39 false false R40.htm 995765 - Disclosure - Note 5 - Components of Accumulated Other Comprehensive Loss (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote5ComponentsOfAccumulatedOtherComprehensiveLossDetails Note 5 - Components of Accumulated Other Comprehensive Loss (Details) Details 40 false false R41.htm 995775 - Disclosure - Note 5 - Amounts Reclassified Out of Accumulated Other Comprehensive Loss (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote5AmountsReclassifiedOutOfAccumulatedOtherComprehensiveLossDetails Note 5 - Amounts Reclassified Out of Accumulated Other Comprehensive Loss (Details) Details 41 false false R42.htm 995785 - Disclosure - Note 6 - Debt Securities Available-for-Sale (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote6DebtSecuritiesAvailableforsaleDetails Note 6 - Debt Securities Available-for-Sale (Details) Details 42 false false R43.htm 995795 - Disclosure - Note 6 - Investment Securities by Contractual Maturity (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecuritiesByContractualMaturityDetails Note 6 - Investment Securities by Contractual Maturity (Details) Details 43 false false R44.htm 995805 - Disclosure - Note 6 - Investment Securities (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecuritiesDetailsTextual Note 6 - Investment Securities (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6InvestmentSecuritiesTables 44 false false R45.htm 995815 - Disclosure - Note 6 - Realized Gain (Loss) on Investments (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6RealizedGainLossOnInvestmentsDetails Note 6 - Realized Gain (Loss) on Investments (Details) Details 45 false false R46.htm 995825 - Disclosure - Note 6 - Debt Securities in a Continuous Unrealized Loss Position (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote6DebtSecuritiesInContinuousUnrealizedLossPositionDetails Note 6 - Debt Securities in a Continuous Unrealized Loss Position (Details) Details 46 false false R47.htm 995845 - Disclosure - Note 7 - Restricted Investments in Stock (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote7RestrictedInvestmentsInStockDetailsTextual Note 7 - Restricted Investments in Stock (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote7RestrictedInvestmentsInStock 47 false false R48.htm 995855 - Disclosure - Note 8 - Loans & Allowance for Credit Losses on Loans (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8LoansAllowanceForCreditLossesOnLoansDetailsTextual Note 8 - Loans & Allowance for Credit Losses on Loans (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8LoansAllowanceForCreditLossesOnLoansTables 48 false false R49.htm 995865 - Disclosure - Note 8 - Major Classes of Loans (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8MajorClassesOfLoansDetails Note 8 - Major Classes of Loans (Details) Details 49 false false R50.htm 995875 - Disclosure - Note 8 - Internal Risk Ratings and Payment Activity (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8InternalRiskRatingsAndPaymentActivityDetails Note 8 - Internal Risk Ratings and Payment Activity (Details) Details 50 false false R51.htm 995895 - Disclosure - Note 8 - Retail Loans by Credit Quality (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8RetailLoansByCreditQualityDetails Note 8 - Retail Loans by Credit Quality (Details) Details 51 false false R52.htm 995905 - Disclosure - Note 8 - Past Due Loans (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8PastDueLoansDetails Note 8 - Past Due Loans (Details) Details 52 false false R53.htm 995915 - Disclosure - Note 8 - Non-accrual Loans (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8NonAccrualLoansDetails Note 8 - Non-accrual Loans (Details) Details 53 false false R54.htm 995925 - Disclosure - Note 8 - Collateral-dependent Loans (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8CollateraldependentLoansDetails Note 8 - Collateral-dependent Loans (Details) Details 54 false false R55.htm 995935 - Disclosure - Note 8 - Allowance for Loan Losses (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote8AllowanceForLoanLossesDetails Note 8 - Allowance for Loan Losses (Details) Details 55 false false R56.htm 995945 - Disclosure - Note 8 - Payment Modification to Interest (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote8PaymentModificationToInterestDetails Note 8 - Payment Modification to Interest (Details) Details 56 false false R57.htm 995955 - Disclosure - Note 9 - Financial Assets Measured at Fair Value on a Recurring and Nonrecurring Basis (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FinancialAssetsMeasuredAtFairValueOnRecurringAndNonrecurringBasisDetails Note 9 - Financial Assets Measured at Fair Value on a Recurring and Nonrecurring Basis (Details) Details 57 false false R58.htm 995965 - Disclosure - Note 9 - Fair Value Measurements and Disclosures (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FairValueMeasurementsAndDisclosuresDetailsTextual Note 9 - Fair Value Measurements and Disclosures (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FairValueMeasurementsAndDisclosuresTables 58 false false R59.htm 995975 - Disclosure - Note 9 - Quantitative Information about Assets Measured at Fair Value (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9QuantitativeInformationAboutAssetsMeasuredAtFairValueDetails Note 9 - Quantitative Information about Assets Measured at Fair Value (Details) Details 59 false false R60.htm 995985 - Disclosure - Note 9 - Available-for-sale Securities Measured at Fair Value Using Significant Unobservable Inputs (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9AvailableForSaleSecuritiesMeasuredAtFairValueUsingSignificantUnobservableInputsDetails Note 9 - Available-for-sale Securities Measured at Fair Value Using Significant Unobservable Inputs (Details) Details 60 false false R61.htm 995995 - Disclosure - Note 9 - Financial and Off-balance Sheet Instruments (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote9FinancialAndOffBalanceSheetInstrumentsDetails Note 9 - Financial and Off-balance Sheet Instruments (Details) Details 61 false false R62.htm 996005 - Disclosure - Note 10 - Financial Instrument Commitments (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote10FinancialInstrumentCommitmentsDetails Note 10 - Financial Instrument Commitments (Details) Details 62 false false R63.htm 996015 - Disclosure - Note 10 - Commitments and Contingencies (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote10CommitmentsAndContingenciesDetailsTextual Note 10 - Commitments and Contingencies (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote10CommitmentsAndContingenciesTables 63 false false R64.htm 996025 - Disclosure - Note 11 - Capital Ratios and Regulatory Minimum Requirements (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/Role_DisclosureNote11CapitalRatiosAndRegulatoryMinimumRequirementsDetails Note 11 - Capital Ratios and Regulatory Minimum Requirements (Details) Details 64 false false R65.htm 996035 - Disclosure - Note 12 - Schedule of Notional Amounts of Derivative Instruments (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote12ScheduleOfNotionalAmountsOfDerivativeInstrumentsDetails Note 12 - Schedule of Notional Amounts of Derivative Instruments (Details) Details 65 false false R66.htm 996045 - Disclosure - Note 12 - Schedule of Derivative Designated as Fair Value Hedging Instruments of Statements of Income (Details) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote12ScheduleOfDerivativeDesignatedAsFairValueHedgingInstrumentsOfStatementsOfIncomeDetails Note 12 - Schedule of Derivative Designated as Fair Value Hedging Instruments of Statements of Income (Details) Details 66 false false R67.htm 996055 - Disclosure - Note 13 - Subordinated Debt (Details Textual) Sheet http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote13SubordinatedDebtDetailsTextual Note 13 - Subordinated Debt (Details Textual) Details http://qnbcorp.com/20260331/taxonomy/role/DisclosureNote13SubordinatedDebt 67 false false All Reports Book All Reports qnbc-20260331.htm qnbc-20260331.xsd http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false