3.25.4 html 493 710 1 true 120 0 false 6 false false R1.htm 00000001 - Document - Cover Sheet http://westfieldbank.com/role/Cover Cover Cover 1 false false R2.htm 00000002 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://westfieldbank.com/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 00000003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://westfieldbank.com/role/ConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 00000004 - Statement - CONSOLIDATED STATEMENTS OF NET INCOME Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfNetIncome CONSOLIDATED STATEMENTS OF NET INCOME Statements 4 false false R5.htm 00000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfComprehensiveIncome CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 5 false false R6.htm 00000006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Statements 6 false false R7.htm 00000007 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfChangesInShareholdersEquity CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Statements 7 false false R8.htm 00000008 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfChangesInShareholdersEquityParenthetical CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) Statements 8 false false R9.htm 00000009 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://westfieldbank.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 9 false false R10.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 10 false false R11.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 11 false false R12.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 12 false false R13.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 13 false false R14.htm 999017 - Disclosure - Risk Management & Strategy. Sheet http://westfieldbank.com/role/RiskManagementStrategy. Risk Management & Strategy. Notes 14 false false R15.htm 999018 - Disclosure - Governance. Sheet http://westfieldbank.com/role/Governance. Governance. Notes 15 false false R16.htm 999019 - Disclosure - Opinion on the Consolidated Financial Statements Sheet http://westfieldbank.com/role/OpinionOnConsolidatedFinancialStatements Opinion on the Consolidated Financial Statements Notes 16 false false R17.htm 999020 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://westfieldbank.com/role/SummaryOfSignificantAccountingPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 17 false false R18.htm 999021 - Disclosure - INVESTMENT SECURITIES Sheet http://westfieldbank.com/role/InvestmentSecurities INVESTMENT SECURITIES Notes 18 false false R19.htm 999022 - Disclosure - LOANS AND ALLOWANCE FOR CREDIT LOSSES Sheet http://westfieldbank.com/role/LoansAndAllowanceForCreditLosses LOANS AND ALLOWANCE FOR CREDIT LOSSES Notes 19 false false R20.htm 999023 - Disclosure - PREMISES AND EQUIPMENT Sheet http://westfieldbank.com/role/PremisesAndEquipment PREMISES AND EQUIPMENT Notes 20 false false R21.htm 999024 - Disclosure - GOODWILL AND OTHER INTANGIBLES Sheet http://westfieldbank.com/role/GoodwillAndOtherIntangibles GOODWILL AND OTHER INTANGIBLES Notes 21 false false R22.htm 999025 - Disclosure - DEPOSITS Sheet http://westfieldbank.com/role/Deposits DEPOSITS Notes 22 false false R23.htm 999026 - Disclosure - SHORT-TERM BORROWINGS Sheet http://westfieldbank.com/role/Short-termBorrowings SHORT-TERM BORROWINGS Notes 23 false false R24.htm 999027 - Disclosure - LONG-TERM DEBT Sheet http://westfieldbank.com/role/Long-termDebt LONG-TERM DEBT Notes 24 false false R25.htm 999028 - Disclosure - STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN Sheet http://westfieldbank.com/role/StockPlansAndEmployeeStockOwnershipPlan STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN Notes 25 false false R26.htm 999029 - Disclosure - RETIREMENT PLANS AND EMPLOYEE BENEFITS Sheet http://westfieldbank.com/role/RetirementPlansAndEmployeeBenefits RETIREMENT PLANS AND EMPLOYEE BENEFITS Notes 26 false false R27.htm 999030 - Disclosure - DERIVATIVES AND HEDGING ACTIVITIES Sheet http://westfieldbank.com/role/DerivativesAndHedgingActivities DERIVATIVES AND HEDGING ACTIVITIES Notes 27 false false R28.htm 999031 - Disclosure - LEASES Sheet http://westfieldbank.com/role/Leases LEASES Notes 28 false false R29.htm 999032 - Disclosure - REGULATORY CAPITAL Sheet http://westfieldbank.com/role/RegulatoryCapital REGULATORY CAPITAL Notes 29 false false R30.htm 999033 - Disclosure - INCOME TAXES Sheet http://westfieldbank.com/role/IncomeTaxes INCOME TAXES Notes 30 false false R31.htm 999034 - Disclosure - TRANSACTIONS WITH DIRECTORS AND EXECUTIVE OFFICERS Sheet http://westfieldbank.com/role/TransactionsWithDirectorsAndExecutiveOfficers TRANSACTIONS WITH DIRECTORS AND EXECUTIVE OFFICERS Notes 31 false false R32.htm 999035 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://westfieldbank.com/role/CommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 32 false false R33.htm 999036 - Disclosure - FAIR VALUE OF ASSETS AND LIABLITIES Sheet http://westfieldbank.com/role/FairValueOfAssetsAndLiablities FAIR VALUE OF ASSETS AND LIABLITIES Notes 33 false false R34.htm 999037 - Disclosure - SEGMENT Sheet http://westfieldbank.com/role/Segment SEGMENT Notes 34 false false R35.htm 999038 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS Sheet http://westfieldbank.com/role/CondensedParentCompanyFinancialStatements CONDENSED PARENT COMPANY FINANCIAL STATEMENTS Notes 35 false false R36.htm 999039 - Disclosure - SUMMARY OF QUARTERLY FINANCIAL INFORMATION (UNAUDITED) Sheet http://westfieldbank.com/role/SummaryOfQuarterlyFinancialInformation SUMMARY OF QUARTERLY FINANCIAL INFORMATION (UNAUDITED) Notes 36 false false R37.htm 999040 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://westfieldbank.com/role/SummaryOfSignificantAccountingPoliciesPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 37 false false R38.htm 999041 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://westfieldbank.com/role/SummaryOfSignificantAccountingPoliciesTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://westfieldbank.com/role/SummaryOfSignificantAccountingPolicies 38 false false R39.htm 999042 - Disclosure - INVESTMENT SECURITIES (Tables) Sheet http://westfieldbank.com/role/InvestmentSecuritiesTables INVESTMENT SECURITIES (Tables) Tables http://westfieldbank.com/role/InvestmentSecurities 39 false false R40.htm 999043 - Disclosure - LOANS AND ALLOWANCE FOR CREDIT LOSSES (Tables) Sheet http://westfieldbank.com/role/LoansAndAllowanceForCreditLossesTables LOANS AND ALLOWANCE FOR CREDIT LOSSES (Tables) Tables http://westfieldbank.com/role/LoansAndAllowanceForCreditLosses 40 false false R41.htm 999044 - Disclosure - PREMISES AND EQUIPMENT (Tables) Sheet http://westfieldbank.com/role/PremisesAndEquipmentTables PREMISES AND EQUIPMENT (Tables) Tables http://westfieldbank.com/role/PremisesAndEquipment 41 false false R42.htm 999045 - Disclosure - DEPOSITS (Tables) Sheet http://westfieldbank.com/role/DepositsTables DEPOSITS (Tables) Tables http://westfieldbank.com/role/Deposits 42 false false R43.htm 999046 - Disclosure - LONG-TERM DEBT (Tables) Sheet http://westfieldbank.com/role/Long-termDebtTables LONG-TERM DEBT (Tables) Tables http://westfieldbank.com/role/Long-termDebt 43 false false R44.htm 999047 - Disclosure - STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN (Tables) Sheet http://westfieldbank.com/role/StockPlansAndEmployeeStockOwnershipPlanTables STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN (Tables) Tables http://westfieldbank.com/role/StockPlansAndEmployeeStockOwnershipPlan 44 false false R45.htm 999048 - Disclosure - DERIVATIVES AND HEDGING ACTIVITIES (Tables) Sheet http://westfieldbank.com/role/DerivativesAndHedgingActivitiesTables DERIVATIVES AND HEDGING ACTIVITIES (Tables) Tables http://westfieldbank.com/role/DerivativesAndHedgingActivities 45 false false R46.htm 999049 - Disclosure - LEASES (Tables) Sheet http://westfieldbank.com/role/LeasesTables LEASES (Tables) Tables http://westfieldbank.com/role/Leases 46 false false R47.htm 999050 - Disclosure - REGULATORY CAPITAL (Tables) Sheet http://westfieldbank.com/role/RegulatoryCapitalTables REGULATORY CAPITAL (Tables) Tables http://westfieldbank.com/role/RegulatoryCapital 47 false false R48.htm 999051 - Disclosure - INCOME TAXES (Tables) Sheet http://westfieldbank.com/role/IncomeTaxesTables INCOME TAXES (Tables) Tables http://westfieldbank.com/role/IncomeTaxes 48 false false R49.htm 999052 - Disclosure - TRANSACTIONS WITH DIRECTORS AND EXECUTIVE OFFICERS (Tables) Sheet http://westfieldbank.com/role/TransactionsWithDirectorsAndExecutiveOfficersTables TRANSACTIONS WITH DIRECTORS AND EXECUTIVE OFFICERS (Tables) Tables http://westfieldbank.com/role/TransactionsWithDirectorsAndExecutiveOfficers 49 false false R50.htm 999053 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) Sheet http://westfieldbank.com/role/CommitmentsAndContingenciesTables COMMITMENTS AND CONTINGENCIES (Tables) Tables http://westfieldbank.com/role/CommitmentsAndContingencies 50 false false R51.htm 999054 - Disclosure - FAIR VALUE OF ASSETS AND LIABLITIES (Tables) Sheet http://westfieldbank.com/role/FairValueOfAssetsAndLiablitiesTables FAIR VALUE OF ASSETS AND LIABLITIES (Tables) Tables http://westfieldbank.com/role/FairValueOfAssetsAndLiablities 51 false false R52.htm 999055 - Disclosure - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS (Tables) Sheet http://westfieldbank.com/role/CondensedParentCompanyFinancialStatementsTables CONDENSED PARENT COMPANY FINANCIAL STATEMENTS (Tables) Tables http://westfieldbank.com/role/CondensedParentCompanyFinancialStatements 52 false false R53.htm 999056 - Disclosure - SUMMARY OF QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables) Sheet http://westfieldbank.com/role/SummaryOfQuarterlyFinancialInformationTables SUMMARY OF QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables) Tables http://westfieldbank.com/role/SummaryOfQuarterlyFinancialInformation 53 false false R54.htm 999057 - Disclosure - The estimated useful lives of the assets are as follows: (Details) Sheet http://westfieldbank.com/role/EstimatedUsefulLivesOfAssetsAreAsFollowsDetails The estimated useful lives of the assets are as follows: (Details) Details 54 false false R55.htm 999058 - Disclosure - Earnings per common share for the years ended December 31, 2025, 2024 and 2023 have been computed based on the following (Details) Sheet http://westfieldbank.com/role/EarningsPerCommonShareForYearsEndedDecember3120252024And2023HaveBeenComputedBasedOnFollowingDetails Earnings per common share for the years ended December 31, 2025, 2024 and 2023 have been computed based on the following (Details) Details 55 false false R56.htm 999059 - Disclosure - The components of accumulated other comprehensive loss, included in shareholders??? equity, are as follows (Details) Sheet http://westfieldbank.com/role/ComponentsOfAccumulatedOtherComprehensiveLossIncludedInShareholdersEquityAreAsFollowsDetails The components of accumulated other comprehensive loss, included in shareholders??? equity, are as follows (Details) Details 56 false false R57.htm 999060 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) Sheet http://westfieldbank.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) Details http://westfieldbank.com/role/SummaryOfSignificantAccountingPoliciesTables 57 false false R58.htm 999061 - Disclosure - The following tables summarize the amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2025 and December 31, 2024 (Details) Sheet http://westfieldbank.com/role/FollowingTablesSummarizeAmortizedCostAndFairValueOfSecuritiesAvailable-for-saleAndHeld-to-maturityAtDecember312025AndDecember312024Details The following tables summarize the amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2025 and December 31, 2024 (Details) Details 58 false false R59.htm 999062 - Disclosure - The following table presents the unrealized gains (losses) recognized on marketable equity securities for the years indicated: (Details) Sheet http://westfieldbank.com/role/FollowingTablePresentsUnrealizedGainsLossesRecognizedOnMarketableEquitySecuritiesForYearsIndicatedDetails The following table presents the unrealized gains (losses) recognized on marketable equity securities for the years indicated: (Details) Details 59 false false R60.htm 999063 - Disclosure - The amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2025, by final maturity, are shown below (Details) Sheet http://westfieldbank.com/role/AmortizedCostAndFairValueOfSecuritiesAvailable-for-saleAndHeld-to-maturityAtDecember312025ByFinalMaturityAreShownBelowDetails The amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2025, by final maturity, are shown below (Details) Details 60 false false R61.htm 999064 - Disclosure - The following tables summarize the gross unrealized losses and fair value of the Company's securities available-for-sale and held-to-maturity, segregated by the duration of their continuous unrealized loss positions at December 31, 2025 and 2024 (Details) Sheet http://westfieldbank.com/role/FollowingTablesSummarizeGrossUnrealizedLossesAndFairValueOfCompanysSecuritiesAvailable-for-saleAndHeld-to-maturitySegregatedByDurationOfTheirContinuousUnrealizedLossPositionsAtDecember312025And2024Details The following tables summarize the gross unrealized losses and fair value of the Company's securities available-for-sale and held-to-maturity, segregated by the duration of their continuous unrealized loss positions at December 31, 2025 and 2024 (Details) Details 61 false false R62.htm 999065 - Disclosure - INVESTMENT SECURITIES (Details Narrative) Sheet http://westfieldbank.com/role/InvestmentSecuritiesDetailsNarrative INVESTMENT SECURITIES (Details Narrative) Details http://westfieldbank.com/role/InvestmentSecuritiesTables 62 false false R63.htm 999066 - Disclosure - The following table presents the summary of the loan portfolio by the major classification of the loan at the periods indicated: (Details) Sheet http://westfieldbank.com/role/FollowingTablePresentsSummaryOfLoanPortfolioByMajorClassificationOfLoanAtPeriodsIndicatedDetails The following table presents the summary of the loan portfolio by the major classification of the loan at the periods indicated: (Details) Details 63 false false R64.htm 999067 - Disclosure - A summary of the activity in the balances of mortgage servicing rights follows: (Details) Sheet http://westfieldbank.com/role/SummaryOfActivityInBalancesOfMortgageServicingRightsFollowsDetails A summary of the activity in the balances of mortgage servicing rights follows: (Details) Details 64 false false R65.htm 999068 - Disclosure - An analysis of changes in the allowance for credit losses for loans and off-balance sheet commitments by segment for the years ended December 31, 2025 and 2024 is as follows: (Details) Sheet http://westfieldbank.com/role/AnalysisOfChangesInAllowanceForCreditLossesForLoansAndOff-balanceSheetCommitmentsBySegmentForYearsEndedDecember312025And2024IsAsFollowsDetails An analysis of changes in the allowance for credit losses for loans and off-balance sheet commitments by segment for the years ended December 31, 2025 and 2024 is as follows: (Details) Details 65 false false R66.htm 999069 - Disclosure - The following tables present an age analysis of past due loans as of the dates indicated: (Details) Sheet http://westfieldbank.com/role/FollowingTablesPresentAgeAnalysisOfPastDueLoansAsOfDatesIndicatedDetails The following tables present an age analysis of past due loans as of the dates indicated: (Details) Details 66 false false R67.htm 999070 - Disclosure - The following table is a summary of the Company???s nonaccrual loans by major categories at December 31, 2025 and December 31, 2024: (Details) Sheet http://westfieldbank.com/role/FollowingTableIsSummaryOfCompanysNonaccrualLoansByMajorCategoriesAtDecember312025AndDecember312024Details The following table is a summary of the Company???s nonaccrual loans by major categories at December 31, 2025 and December 31, 2024: (Details) Details 67 false false R68.htm 999071 - Disclosure - The following table summarizes the Company???s individually evaluated collateral dependent loans by class as of the dates indicated: (Details) Sheet http://westfieldbank.com/role/FollowingTableSummarizesCompanysIndividuallyEvaluatedCollateralDependentLoansByClassAsOfDatesIndicatedDetails The following table summarizes the Company???s individually evaluated collateral dependent loans by class as of the dates indicated: (Details) Details 68 false false R69.htm 999072 - Disclosure - The following tables summarize the amortized cost basis by aggregate Pass and criticized categories of Special Mention and Substandard within the Company???s internal risk rating system by year of origination as of December 31, 2025 and December 31, 2024. (Details) Sheet http://westfieldbank.com/role/FollowingTablesSummarizeAmortizedCostBasisByAggregatePassAndCriticizedCategoriesOfSpecialMentionAndSubstandardWithinCompanysInternalRiskRatingSystemByYearOfOriginationAsOfDecember312025AndDecember312024.Details The following tables summarize the amortized cost basis by aggregate Pass and criticized categories of Special Mention and Substandard within the Company???s internal risk rating system by year of origination as of December 31, 2025 and December 31, 2024. (Details) Details 69 false false R70.htm 999073 - Disclosure - The following table summarizes information about total loans rated Special Mention, Substandard, Doubtful or Loss for the periods noted. (Details) Sheet http://westfieldbank.com/role/FollowingTableSummarizesInformationAboutTotalLoansRatedSpecialMentionSubstandardDoubtfulOrLossForPeriodsNoted.Details The following table summarizes information about total loans rated Special Mention, Substandard, Doubtful or Loss for the periods noted. (Details) Details 70 false false R71.htm 999074 - Disclosure - LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details Narrative) Sheet http://westfieldbank.com/role/LoansAndAllowanceForCreditLossesDetailsNarrative LOANS AND ALLOWANCE FOR CREDIT LOSSES (Details Narrative) Details http://westfieldbank.com/role/LoansAndAllowanceForCreditLossesTables 71 false false R72.htm 999075 - Disclosure - Premises and equipment are summarized as follows: (Details) Sheet http://westfieldbank.com/role/PremisesAndEquipmentAreSummarizedAsFollowsDetails Premises and equipment are summarized as follows: (Details) Details 72 false false R73.htm 999076 - Disclosure - PREMISES AND EQUIPMENT (Details Narrative) Sheet http://westfieldbank.com/role/PremisesAndEquipmentDetailsNarrative PREMISES AND EQUIPMENT (Details Narrative) Details http://westfieldbank.com/role/PremisesAndEquipmentTables 73 false false R74.htm 999077 - Disclosure - GOODWILL AND OTHER INTANGIBLES (Details Narrative) Sheet http://westfieldbank.com/role/GoodwillAndOtherIntangiblesDetailsNarrative GOODWILL AND OTHER INTANGIBLES (Details Narrative) Details http://westfieldbank.com/role/GoodwillAndOtherIntangibles 74 false false R75.htm 999078 - Disclosure - Deposit accounts, by type, are summarized as follows for the periods indicated: (Details) Sheet http://westfieldbank.com/role/DepositAccountsByTypeAreSummarizedAsFollowsForPeriodsIndicatedDetails Deposit accounts, by type, are summarized as follows for the periods indicated: (Details) Details 75 false false R76.htm 999079 - Disclosure - The scheduled maturities of time deposits for the periods indicated are as follows: (Details) Sheet http://westfieldbank.com/role/ScheduledMaturitiesOfTimeDepositsForPeriodsIndicatedAreAsFollowsDetails The scheduled maturities of time deposits for the periods indicated are as follows: (Details) Details 76 false false R77.htm 999080 - Disclosure - Interest expense on deposits for the years ended December 31, 2025, 2024 and 2023 is summarized as follows: (Details) Sheet http://westfieldbank.com/role/InterestExpenseOnDepositsForYearsEndedDecember3120252024And2023IsSummarizedAsFollowsDetails Interest expense on deposits for the years ended December 31, 2025, 2024 and 2023 is summarized as follows: (Details) Details 77 false false R78.htm 999081 - Disclosure - DEPOSITS (Details Narrative) Sheet http://westfieldbank.com/role/DepositsDetailsNarrative DEPOSITS (Details Narrative) Details http://westfieldbank.com/role/DepositsTables 78 false false R79.htm 999082 - Disclosure - SHORT-TERM BORROWINGS (Details Narrative) Sheet http://westfieldbank.com/role/Short-termBorrowingsDetailsNarrative SHORT-TERM BORROWINGS (Details Narrative) Details http://westfieldbank.com/role/Short-termBorrowings 79 false false R80.htm 999083 - Disclosure - The following advances are collateralized by a blanket lien on our residential real estate loans and certain eligible commercial real estate loans. (Details) Sheet http://westfieldbank.com/role/FollowingAdvancesAreCollateralizedByBlanketLienOnOurResidentialRealEstateLoansAndCertainEligibleCommercialRealEstateLoans.Details The following advances are collateralized by a blanket lien on our residential real estate loans and certain eligible commercial real estate loans. (Details) Details 80 false false R81.htm 999084 - Disclosure - LONG-TERM DEBT (Details Narrative) Sheet http://westfieldbank.com/role/Long-termDebtDetailsNarrative LONG-TERM DEBT (Details Narrative) Details http://westfieldbank.com/role/Long-termDebtTables 81 false false R82.htm 999085 - Disclosure - The Threshold, Target and Stretch metrics under the 2022 LTI Plan are as follows: (Details) Sheet http://westfieldbank.com/role/ThresholdTargetAndStretchMetricsUnder2022LtiPlanAreAsFollowsDetails The Threshold, Target and Stretch metrics under the 2022 LTI Plan are as follows: (Details) Details 82 false false R83.htm 999086 - Disclosure - The Threshold, Target and Stretch metrics under the 2023 LTI Plan are as follows: (Details) Sheet http://westfieldbank.com/role/ThresholdTargetAndStretchMetricsUnder2023LtiPlanAreAsFollowsDetails The Threshold, Target and Stretch metrics under the 2023 LTI Plan are as follows: (Details) Details 83 false false R84.htm 999087 - Disclosure - The Threshold, Target and Stretch metrics under the 2024 LTI Plan are as follows: (Details) Sheet http://westfieldbank.com/role/ThresholdTargetAndStretchMetricsUnder2024LtiPlanAreAsFollowsDetails The Threshold, Target and Stretch metrics under the 2024 LTI Plan are as follows: (Details) Details 84 false false R85.htm 999088 - Disclosure - The Threshold, Target and Stretch metrics under the 2025 LTI Plan are as follows: (Details) Sheet http://westfieldbank.com/role/ThresholdTargetAndStretchMetricsUnder2025LtiPlanAreAsFollowsDetails The Threshold, Target and Stretch metrics under the 2025 LTI Plan are as follows: (Details) Details 85 false false R86.htm 999089 - Disclosure - A summary of the status of unvested restricted stock awards at December 31, 2025 and December 31, 2024 is presented below: (Details) Sheet http://westfieldbank.com/role/SummaryOfStatusOfUnvestedRestrictedStockAwardsAtDecember312025AndDecember312024IsPresentedBelowDetails A summary of the status of unvested restricted stock awards at December 31, 2025 and December 31, 2024 is presented below: (Details) Details 86 false false R87.htm 999090 - Disclosure - At December 31, 2025, the remaining principal balances are payable as follows: (Details) Sheet http://westfieldbank.com/role/AtDecember312025RemainingPrincipalBalancesArePayableAsFollowsDetails At December 31, 2025, the remaining principal balances are payable as follows: (Details) Details 87 false false R88.htm 999091 - Disclosure - Shares held by the ESOP include the following at December 31, 2025 and December 31, 2024: (Details) Sheet http://westfieldbank.com/role/SharesHeldByEsopIncludeFollowingAtDecember312025AndDecember312024Details Shares held by the ESOP include the following at December 31, 2025 and December 31, 2024: (Details) Details 88 false false R89.htm 999092 - Disclosure - STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN (Details Narrative) Sheet http://westfieldbank.com/role/StockPlansAndEmployeeStockOwnershipPlanDetailsNarrative STOCK PLANS AND EMPLOYEE STOCK OWNERSHIP PLAN (Details Narrative) Details http://westfieldbank.com/role/StockPlansAndEmployeeStockOwnershipPlanTables 89 false false R90.htm 999093 - Disclosure - RETIREMENT PLANS AND EMPLOYEE BENEFITS (Details Narrative) Sheet http://westfieldbank.com/role/RetirementPlansAndEmployeeBenefitsDetailsNarrative RETIREMENT PLANS AND EMPLOYEE BENEFITS (Details Narrative) Details http://westfieldbank.com/role/RetirementPlansAndEmployeeBenefits 90 false false R91.htm 999094 - Disclosure - The tables below present the fair value of our derivative financial instruments designated as hedging and non-hedging instruments as well as our classification on the balance sheet as of December 31, 2025 and December 31, 2024. (Details) Sheet http://westfieldbank.com/role/TablesBelowPresentFairValueOfOurDerivativeFinancialInstrumentsDesignatedAsHedgingAndNon-hedgingInstrumentsAsWellAsOurClassificationOnBalanceSheetAsOfDecember312025AndDecember312024.Details The tables below present the fair value of our derivative financial instruments designated as hedging and non-hedging instruments as well as our classification on the balance sheet as of December 31, 2025 and December 31, 2024. (Details) Details 91 false false R92.htm 999095 - Disclosure - The table below presents the effect of the Company???s derivative financial instruments on the statements of net income for the years ended December 31, 2024 and 2023. (Details) Sheet http://westfieldbank.com/role/TableBelowPresentsEffectOfCompanysDerivativeFinancialInstrumentsOnStatementsOfNetIncomeForYearsEndedDecember312024And2023.Details The table below presents the effect of the Company???s derivative financial instruments on the statements of net income for the years ended December 31, 2024 and 2023. (Details) Details 92 false false R93.htm 999096 - Disclosure - DERIVATIVES AND HEDGING ACTIVITIES (Details Narrative) Sheet http://westfieldbank.com/role/DerivativesAndHedgingActivitiesDetailsNarrative DERIVATIVES AND HEDGING ACTIVITIES (Details Narrative) Details http://westfieldbank.com/role/DerivativesAndHedgingActivitiesTables 93 false false R94.htm 999097 - Disclosure - Supplemental cash flow information related to leases was as follows: (Details) Sheet http://westfieldbank.com/role/SupplementalCashFlowInformationRelatedToLeasesWasAsFollowsDetails Supplemental cash flow information related to leases was as follows: (Details) Details 94 false false R95.htm 999098 - Disclosure - Supplemental balance sheet information related to leases was as follows: (Details) Sheet http://westfieldbank.com/role/SupplementalBalanceSheetInformationRelatedToLeasesWasAsFollowsDetails Supplemental balance sheet information related to leases was as follows: (Details) Details 95 false false R96.htm 999099 - Disclosure - Future undiscounted lease payments for the Company???s operating lease liabilities were as follows (in thousands): (Details) Sheet http://westfieldbank.com/role/FutureUndiscountedLeasePaymentsForCompanysOperatingLeaseLiabilitiesWereAsFollowsInThousandsDetails Future undiscounted lease payments for the Company???s operating lease liabilities were as follows (in thousands): (Details) Details 96 false false R97.htm 999100 - Disclosure - LEASES (Details Narrative) Sheet http://westfieldbank.com/role/LeasesDetailsNarrative LEASES (Details Narrative) Details http://westfieldbank.com/role/LeasesTables 97 false false R98.htm 999101 - Disclosure - Our actual capital ratios of December 31, 2025 and December 31, 2024 are also presented in the following table. (Details) Sheet http://westfieldbank.com/role/OurActualCapitalRatiosOfDecember312025AndDecember312024AreAlsoPresentedInFollowingTable.Details Our actual capital ratios of December 31, 2025 and December 31, 2024 are also presented in the following table. (Details) Details 98 false false R99.htm 999102 - Disclosure - The following is a reconciliation of our GAAP capital to regulatory Tier 1, Common Equity Tier 1 and total capital: (Details) Sheet http://westfieldbank.com/role/FollowingIsReconciliationOfOurGaapCapitalToRegulatoryTier1CommonEquityTier1AndTotalCapitalDetails The following is a reconciliation of our GAAP capital to regulatory Tier 1, Common Equity Tier 1 and total capital: (Details) Details 99 false false R100.htm 999103 - Disclosure - REGULATORY CAPITAL (Details Narrative) Sheet http://westfieldbank.com/role/RegulatoryCapitalDetailsNarrative REGULATORY CAPITAL (Details Narrative) Details http://westfieldbank.com/role/RegulatoryCapitalTables 100 false false R101.htm 999104 - Disclosure - Income taxes consist of the following: (Details) Sheet http://westfieldbank.com/role/IncomeTaxesConsistOfFollowingDetails Income taxes consist of the following: (Details) Details 101 false false R102.htm 999105 - Disclosure - The differences between the statutory federal income tax at a rate of 21% and the effective tax are summarized below: (Details) Sheet http://westfieldbank.com/role/DifferencesBetweenStatutoryFederalIncomeTaxAtRateOf21AndEffectiveTaxAreSummarizedBelowDetails The differences between the statutory federal income tax at a rate of 21% and the effective tax are summarized below: (Details) Details 102 false false R103.htm 999106 - Disclosure - The tax effects of each item that gives rise to deferred taxes are as follows: (Details) Sheet http://westfieldbank.com/role/TaxEffectsOfEachItemThatGivesRiseToDeferredTaxesAreAsFollowsDetails The tax effects of each item that gives rise to deferred taxes are as follows: (Details) Details 103 false false R104.htm 999107 - Disclosure - INCOME TAXES (Details Narrative) Sheet http://westfieldbank.com/role/IncomeTaxesDetailsNarrative INCOME TAXES (Details Narrative) Details http://westfieldbank.com/role/IncomeTaxesTables 104 false false R105.htm 999108 - Disclosure - Following is a summary of activity for such loans: (Details) Sheet http://westfieldbank.com/role/FollowingIsSummaryOfActivityForSuchLoansDetails Following is a summary of activity for such loans: (Details) Details 105 false false R106.htm 999109 - Disclosure - The following summarizes these financial instruments and other commitments and contingent liabilities at their contract amounts: (Details) Sheet http://westfieldbank.com/role/FollowingSummarizesTheseFinancialInstrumentsAndOtherCommitmentsAndContingentLiabilitiesAtTheirContractAmountsDetails The following summarizes these financial instruments and other commitments and contingent liabilities at their contract amounts: (Details) Details 106 false false R107.htm 999110 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative) Sheet http://westfieldbank.com/role/CommitmentsAndContingenciesDetailsNarrative COMMITMENTS AND CONTINGENCIES (Details Narrative) Details http://westfieldbank.com/role/CommitmentsAndContingenciesTables 107 false false R108.htm 999111 - Disclosure - Assets and liabilities measured at fair value on a recurring basis are summarized below: (Details) Sheet http://westfieldbank.com/role/AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAreSummarizedBelowDetails Assets and liabilities measured at fair value on a recurring basis are summarized below: (Details) Details 108 false false R109.htm 999112 - Disclosure - The following table summarizes the fair value hierarchy used to determine the carrying values of the related assets as of December 31, 2025 and December 31, 2024. (Details) Sheet http://westfieldbank.com/role/FollowingTableSummarizesFairValueHierarchyUsedToDetermineCarryingValuesOfRelatedAssetsAsOfDecember312025AndDecember312024.Details The following table summarizes the fair value hierarchy used to determine the carrying values of the related assets as of December 31, 2025 and December 31, 2024. (Details) Details 109 false false R110.htm 999113 - Disclosure - The estimated fair values of our financial instruments are as follows: (Details) Sheet http://westfieldbank.com/role/EstimatedFairValuesOfOurFinancialInstrumentsAreAsFollowsDetails The estimated fair values of our financial instruments are as follows: (Details) Details 110 false false R111.htm 999114 - Disclosure - SEGMENT (Details Narrative) Sheet http://westfieldbank.com/role/SegmentDetailsNarrative SEGMENT (Details Narrative) Details http://westfieldbank.com/role/Segment 111 false false R112.htm 999115 - Disclosure - The condensed balance sheets of the parent company are as follows: (Details) Sheet http://westfieldbank.com/role/CondensedBalanceSheetsOfParentCompanyAreAsFollowsDetails The condensed balance sheets of the parent company are as follows: (Details) Details 112 false false R113.htm 999116 - Disclosure - The condensed statements of net income for the parent company are as follows: (Details) Sheet http://westfieldbank.com/role/CondensedStatementsOfNetIncomeForParentCompanyAreAsFollowsDetails The condensed statements of net income for the parent company are as follows: (Details) Details 113 false false R114.htm 999117 - Disclosure - The condensed statements of cash flows of the parent company are as follows: (Details) Sheet http://westfieldbank.com/role/CondensedStatementsOfCashFlowsOfParentCompanyAreAsFollowsDetails The condensed statements of cash flows of the parent company are as follows: (Details) Details 114 false false R115.htm 999118 - Disclosure - The following tables present a summary of our quarterly financial information for the periods indicated. (Details) Sheet http://westfieldbank.com/role/FollowingTablesPresentSummaryOfOurQuarterlyFinancialInformationForPeriodsIndicated.Details The following tables present a summary of our quarterly financial information for the periods indicated. (Details) Details 115 false false All Reports Book All Reports wneb-10k_123125.htm wneb-20251231.xsd wneb-20251231_cal.xml wneb-20251231_def.xml wneb-20251231_lab.xml wneb-20251231_pre.xml wneb10k001.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true