3.25.1 html 436 620 1 true 92 0 false 8 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://everettbank.com/20241231/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Consolidated Balance Sheets Sheet http://everettbank.com/20241231/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 100030 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://everettbank.com/20241231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100040 - Statement - Consolidated Statements of Income Sheet http://everettbank.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfIncome Consolidated Statements of Income Statements 4 false false R5.htm 100050 - Statement - Consolidated Statements of Comprehensive Income Sheet http://everettbank.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 5 false false R6.htm 100060 - Statement - Statements of Changes in Shareholders' Equity Sheet http://everettbank.com/20241231/taxonomy/role/StatementStatementsOfChangesInShareholdersEquity1 Statements of Changes in Shareholders' Equity Statements 6 false false R7.htm 100070 - Statement - Statements of Changes in Shareholders' Equity (Parenthetical) Sheet http://everettbank.com/20241231/taxonomy/role/StatementStatementsOfChangesInShareholdersEquityParenthetical Statements of Changes in Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 100080 - Statement - Consolidated Statements of Cash Flows Sheet http://everettbank.com/20241231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 100090 - Disclosure - Cybersecurity Risk Management, Strategy and Governance Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureCybersecurityRiskManagementStrategyAndGovernance Cybersecurity Risk Management, Strategy and Governance Notes 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 995455 - Disclosure - Nature of Operations Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureNatureOfOperations Nature of Operations Notes 12 false false R13.htm 995475 - Disclosure - Summary of Significant Accounting Policies Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 13 false false R14.htm 995485 - Disclosure - Investments in Securities Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecurities Investments in Securities Notes 14 false false R15.htm 995495 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQuality Loans, Allowance for Credit Losses and Credit Quality Notes 15 false false R16.htm 995505 - Disclosure - Premises and Equipment Sheet http://everettbank.com/20241231/taxonomy/role/DisclosurePremisesAndEquipment Premises and Equipment Notes 16 false false R17.htm 995515 - Disclosure - Leases Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLeases Leases Notes 17 false false R18.htm 995525 - Disclosure - Deposits Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDeposits Deposits Notes 18 false false R19.htm 995535 - Disclosure - Borrowings Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureBorrowings Borrowings Notes 19 false false R20.htm 995545 - Disclosure - Employee Benefit Plans Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlans1 Employee Benefit Plans Notes 20 false false R21.htm 995555 - Disclosure - Stock-Based Compensation Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensation Stock-Based Compensation Notes 21 false false R22.htm 995565 - Disclosure - Income Taxes Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxes1 Income Taxes Notes 22 false false R23.htm 995575 - Disclosure - Related Party Transactions Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureRelatedPartyTransactions1 Related Party Transactions Notes 23 false false R24.htm 995585 - Disclosure - Fair Value Measurements Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 24 false false R25.htm 995595 - Disclosure - Commitments and Contingencies Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 25 false false R26.htm 995605 - Disclosure - Other Comprehensive Income (Loss) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLoss Other Comprehensive Income (Loss) Notes 26 false false R27.htm 995615 - Disclosure - Regulatory Matters Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureRegulatoryMatters Regulatory Matters Notes 27 false false R28.htm 995625 - Disclosure - Parent Company Financial Statements Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatements1 Parent Company Financial Statements Notes 28 false false R29.htm 995635 - Disclosure - Earnings per Share ("EPS") Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEps1 Earnings per Share ("EPS") Notes 29 false false R30.htm 995645 - Disclosure - Derivative and Hedging Activities Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivities Derivative and Hedging Activities Notes 30 false false R31.htm 995655 - Disclosure - Subsequent Events Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 31 false false R32.htm 995665 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://everettbank.com/20241231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 32 false false R33.htm 995675 - Disclosure - Investments in Securities (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecuritiesTables Investments in Securities (Tables) Tables http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecurities 33 false false R34.htm 995685 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityTables Loans, Allowance for Credit Losses and Credit Quality (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQuality 34 false false R35.htm 995695 - Disclosure - Premises and Equipment (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosurePremisesAndEquipmentTables Premises and Equipment (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosurePremisesAndEquipment 35 false false R36.htm 995705 - Disclosure - Leases (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLeasesTables Leases (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureLeases 36 false false R37.htm 995715 - Disclosure - Deposits (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDepositsTables Deposits (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureDeposits 37 false false R38.htm 995725 - Disclosure - Borrowings (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureBorrowingsTables Borrowings (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureBorrowings 38 false false R39.htm 995735 - Disclosure - Employee Benefit Plans (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansTables Employee Benefit Plans (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlans1 39 false false R40.htm 995745 - Disclosure - Stock-Based Compensation (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationTables Stock-Based Compensation (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensation 40 false false R41.htm 995755 - Disclosure - Income Taxes (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxes1 41 false false R42.htm 995765 - Disclosure - Fair Value Measurements (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurements 42 false false R43.htm 995775 - Disclosure - Commitments and Contingencies (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://everettbank.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies 43 false false R44.htm 995785 - Disclosure - Other Comprehensive Income (Loss) (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLossTables Other Comprehensive Income (Loss) (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLoss 44 false false R45.htm 995795 - Disclosure - Regulatory Matters (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureRegulatoryMattersTables Regulatory Matters (Tables) Tables http://everettbank.com/20241231/taxonomy/role/Role_DisclosureRegulatoryMatters 45 false false R46.htm 995805 - Disclosure - Parent Company Financial Statements (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatementsTables Parent Company Financial Statements (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatements1 46 false false R47.htm 995815 - Disclosure - Earnings per Share ("EPS") (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEpsTables Earnings per Share ("EPS") (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEps1 47 false false R48.htm 995825 - Disclosure - Derivative and Hedging Activities (Tables) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivitiesTables Derivative and Hedging Activities (Tables) Tables http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivities 48 false false R49.htm 995835 - Disclosure - Nature of Operations - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureNatureOfOperationsAdditionalInformationDetails Nature of Operations - Additional Information (Details) Details 49 false false R50.htm 995845 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 50 false false R51.htm 995855 - Disclosure - Investments in Securities - Schedule of Held-to-Maturity Securities (Details) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecuritiesScheduleOfHeldToMaturitySecuritiesDetails Investments in Securities - Schedule of Held-to-Maturity Securities (Details) Details 51 false false R52.htm 995865 - Disclosure - Investments in Securities - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecuritiesAdditionalInformationDetails Investments in Securities - Additional Information (Details) Details 52 false false R53.htm 995875 - Disclosure - Investments in Securities - Schedule of Available-for-Sale Securities (Details) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecuritiesScheduleOfAvailableForSaleSecuritiesDetails Investments in Securities - Schedule of Available-for-Sale Securities (Details) Details 53 false false R54.htm 995885 - Disclosure - Investments in Securities - Schedule of Aggregate Fair Value and Unrealized Losses of Available-for-Sale Securities in a Continuous Unrealized Loss Position (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureInvestmentsInSecuritiesScheduleOfAggregateFairValueAndUnrealizedLossesOfAvailableforsaleSecuritiesInAContinuousUnrealizedLossPos Investments in Securities - Schedule of Aggregate Fair Value and Unrealized Losses of Available-for-Sale Securities in a Continuous Unrealized Loss Position (Details) Details 54 false false R55.htm 995895 - Disclosure - Investments in Securities - Schedule of the Contractual Maturities of Available for Sale and Held-to-Maturity Securities (Details) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureInvestmentsInSecuritiesScheduleOfContractualMaturitiesOfAvailableForSaleAndHeldToMaturitySecuritiesDetails Investments in Securities - Schedule of the Contractual Maturities of Available for Sale and Held-to-Maturity Securities (Details) Details 55 false false R56.htm 995905 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Schedule of Loans (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityScheduleOfLoansDetails Loans, Allowance for Credit Losses and Credit Quality - Schedule of Loans (Details) Details 56 false false R57.htm 995915 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityAdditionalInformationDetails Loans, Allowance for Credit Losses and Credit Quality - Additional Information (Details) Details 57 false false R58.htm 995935 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Allowance for Loan Losses (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityScheduleOfInformationRegardingAllowanceForLoanLossesDetails Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Allowance for Loan Losses (Details) Details 58 false false R59.htm 995945 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Allowance for Loan Losses (Parenthetical) (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityScheduleOfInformationRegardingAllowanceForLoanLossesParentheticalDetails Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Allowance for Loan Losses (Parenthetical) (Details) Details 59 false false R60.htm 995955 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Past Due Loans (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityScheduleOfInformationRegardingPastDueLoansDetails Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Past Due Loans (Details) Details 60 false false R61.htm 995965 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Nonaccrual Loans (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualityScheduleOfInformationRegardingNonaccrualLoansDetails Loans, Allowance for Credit Losses and Credit Quality - Schedule of Information Regarding Nonaccrual Loans (Details) Details 61 false false R62.htm 995985 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Summary of Loans by Risk Rating (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualitySummaryOfLoansByRiskRatingDetails Loans, Allowance for Credit Losses and Credit Quality - Summary of Loans by Risk Rating (Details) Details 62 false false R63.htm 995995 - Disclosure - Loans, Allowance for Credit Losses and Credit Quality - Summary of Loans by Risk Rating (Parenthetical) (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLoansAllowanceForCreditLossesAndCreditQualitySummaryOfLoansByRiskRatingParentheticalDetails Loans, Allowance for Credit Losses and Credit Quality - Summary of Loans by Risk Rating (Parenthetical) (Details) Details 63 false false R64.htm 996005 - Disclosure - Premises and Equipment - Schedule of Premises and Equipment (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosurePremisesAndEquipmentScheduleOfPremisesAndEquipmentDetails Premises and Equipment - Schedule of Premises and Equipment (Details) Details 64 false false R65.htm 996015 - Disclosure - Premises and Equipment - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetails Premises and Equipment - Additional Information (Details) Details 65 false false R66.htm 996025 - Disclosure - Leases - Schedule of Operating Leases (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLeasesScheduleOfOperatingLeasesDetails Leases - Schedule of Operating Leases (Details) Details 66 false false R67.htm 996035 - Disclosure - Leases - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 67 false false R68.htm 996045 - Disclosure - Leases - Schedule of Remaining Minimum Rental Payments to Operating Leases Outstanding (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureLeasesScheduleOfRemainingMinimumRentalPaymentsToOperatingLeasesOutstandingDetails Leases - Schedule of Remaining Minimum Rental Payments to Operating Leases Outstanding (Details) Details 68 false false R69.htm 996055 - Disclosure - Deposits - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDepositsAdditionalInformationDetails Deposits - Additional Information (Details) Details 69 false false R70.htm 996065 - Disclosure - Deposits - Scheduled Maturities Of Time Deposits (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDepositsScheduledMaturitiesOfTimeDepositsDetails Deposits - Scheduled Maturities Of Time Deposits (Details) Details 70 false false R71.htm 996075 - Disclosure - Borrowings - Summary of Maturities of Advances from FHLB (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureBorrowingsSummaryOfMaturitiesOfAdvancesFromFhlbDetails Borrowings - Summary of Maturities of Advances from FHLB (Details) Details 71 false false R72.htm 996085 - Disclosure - Borrowings - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureBorrowingsAdditionalInformationDetails Borrowings - Additional Information (Details) Details 72 false false R73.htm 996095 - Disclosure - Employee Benefit Plans - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansAdditionalInformationDetails Employee Benefit Plans - Additional Information (Details) Details 73 false false R74.htm 996105 - Disclosure - Employee Benefit Plans - Summary of Information about SERP and DFCP (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansSummaryOfInformationAboutSerpAndDfcpDetails Employee Benefit Plans - Summary of Information about SERP and DFCP (Details) Details 74 false false R75.htm 996115 - Disclosure - Employee Benefit Plans - Summary of Amounts Recognized in Accumulated Other Comprehensive Income (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansSummaryOfAmountsRecognizedInAccumulatedOtherComprehensiveIncomeDetails Employee Benefit Plans - Summary of Amounts Recognized in Accumulated Other Comprehensive Income (Details) Details 75 false false R76.htm 996125 - Disclosure - Employee Benefit Plans - Summary of Assumptions Used to Determine Benefit Obligation (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansSummaryOfAssumptionsUsedToDetermineBenefitObligationDetails Employee Benefit Plans - Summary of Assumptions Used to Determine Benefit Obligation (Details) Details 76 false false R77.htm 996135 - Disclosure - Employee Benefit Plans - Schedule of Components of Net Periodic Cost (Benefit) and Other Comprehensive Loss (Income) (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansScheduleOfComponentsOfNetPeriodicCostBenefitAndOtherComprehensiveLossIncomeDetails Employee Benefit Plans - Schedule of Components of Net Periodic Cost (Benefit) and Other Comprehensive Loss (Income) (Details) Details 77 false false R78.htm 996145 - Disclosure - Employee Benefit Plans - Summary of Assumptions Used to Determine Net Periodic Cost (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansSummaryOfAssumptionsUsedToDetermineNetPeriodicCostDetails Employee Benefit Plans - Summary of Assumptions Used to Determine Net Periodic Cost (Details) Details 78 false false R79.htm 996155 - Disclosure - Employee Benefit Plans - Schedule of Estimated Future Benefit Payments (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansScheduleOfEstimatedFutureBenefitPaymentsDetails Employee Benefit Plans - Schedule of Estimated Future Benefit Payments (Details) Details 79 false false R80.htm 996165 - Disclosure - Employee Benefit Plans - Summary of Share information held by the ESOP (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEmployeeBenefitPlansSummaryOfShareInformationHeldByTheEsopDetails Employee Benefit Plans - Summary of Share information held by the ESOP (Details) Details 80 false false R81.htm 996175 - Disclosure - Stock-based Compensation - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationAdditionalInformationDetails Stock-based Compensation - Additional Information (Details) Details 81 false false R82.htm 996185 - Disclosure - Stock-based Compensation - Schedule of Stock Options Valuation Assumptions (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationScheduleOfStockOptionsValuationAssumptionsDetails Stock-based Compensation - Schedule of Stock Options Valuation Assumptions (Details) Details 82 false false R83.htm 996195 - Disclosure - Stock-based Compensation - Summary of Option Activity (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfOptionActivityDetails Stock-based Compensation - Summary of Option Activity (Details) Details 83 false false R84.htm 996205 - Disclosure - Stock-based Compensation - Summary of Non-vested Restricted Stock Award Activity (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfNonvestedRestrictedStockAwardActivityDetails Stock-based Compensation - Summary of Non-vested Restricted Stock Award Activity (Details) Details 84 false false R85.htm 996215 - Disclosure - Stock-based Compensation - Summary of Compensation Expense and Income Tax Benefit Recognized (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfCompensationExpenseAndIncomeTaxBenefitRecognizedDetails Stock-based Compensation - Summary of Compensation Expense and Income Tax Benefit Recognized (Details) Details 85 false false R86.htm 996225 - Disclosure - Stock-Based Compensation - Schedule of Compensation Cost Related to Non-vested Awards (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureStockbasedCompensationScheduleOfCompensationCostRelatedToNonvestedAwardsDetails Stock-Based Compensation - Schedule of Compensation Cost Related to Non-vested Awards (Details) Details 86 false false R87.htm 996235 - Disclosure - Income Taxes - Schedule of Components of Income Tax Expense (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails Income Taxes - Schedule of Components of Income Tax Expense (Details) Details 87 false false R88.htm 996245 - Disclosure - Income Taxes - Summary of Differences Between Statutory Federal Income Tax Rate and Effective Tax Rates (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxesSummaryOfDifferencesBetweenStatutoryFederalIncomeTaxRateAndEffectiveTaxRatesDetails Income Taxes - Summary of Differences Between Statutory Federal Income Tax Rate and Effective Tax Rates (Details) Details 88 false false R89.htm 996255 - Disclosure - Income Taxes - Schedule of Gross Deferred Tax Assets and Gross Deferred Tax Liabilities (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxesScheduleOfGrossDeferredTaxAssetsAndGrossDeferredTaxLiabilitiesDetails Income Taxes - Schedule of Gross Deferred Tax Assets and Gross Deferred Tax Liabilities (Details) Details 89 false false R90.htm 996265 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 90 false false R91.htm 996275 - Disclosure - Related Party Transactions - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetails Related Party Transactions - Additional Information (Details) Details 91 false false R92.htm 996285 - Disclosure - Fair Value Measurements - Summary of Assets Measured at Fair Value on Recurring Basis (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetails Fair Value Measurements - Summary of Assets Measured at Fair Value on Recurring Basis (Details) Details 92 false false R93.htm 996295 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 93 false false R94.htm 996305 - Disclosure - Fair Value Measurements - Summary of Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis or Non-Recurring Basis (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFinancialAssetsAndFinancialLiabilitiesMeasuredAtFairValueOnRecurringBasisOrNonrecurringBasisDetai Fair Value Measurements - Summary of Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis or Non-Recurring Basis (Details) Details 94 false false R95.htm 996315 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 95 false false R96.htm 996325 - Disclosure - Commitments and Contingencies - Summary of Financial Instrument Liabilities Represent Off-Balance Sheet Credit Risk (Detail) Sheet http://everettbank.com/20241231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfFinancialInstrumentLiabilitiesRepresentOffBalanceSheetCreditRiskDetail Commitments and Contingencies - Summary of Financial Instrument Liabilities Represent Off-Balance Sheet Credit Risk (Detail) Details 96 false false R97.htm 996335 - Disclosure - Other Comprehensive Income (Loss) - Schedule of Components of Other Comprehensive Income (Loss) and Related Tax Effects (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLossScheduleOfComponentsOfOtherComprehensiveIncomeLossAndRelatedTaxEffectsDetails Other Comprehensive Income (Loss) - Schedule of Components of Other Comprehensive Income (Loss) and Related Tax Effects (Details) Details http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLossTables 97 false false R98.htm 996345 - Disclosure - Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLossScheduleOfAccumulatedOtherComprehensiveIncomeLossDetails Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) Details http://everettbank.com/20241231/taxonomy/role/DisclosureOtherComprehensiveIncomeLossTables 98 false false R99.htm 996355 - Disclosure - Regulatory Matters - Schedule of Company's and Bank's Actual Capital Amounts and Ratios (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureRegulatoryMattersScheduleOfCompanysAndBanksActualCapitalAmountsAndRatiosDetails Regulatory Matters - Schedule of Company's and Bank's Actual Capital Amounts and Ratios (Details) Details 99 false false R100.htm 996365 - Disclosure - Regulatory Matters - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureRegulatoryMattersAdditionalInformationDetails Regulatory Matters - Additional Information (Details) Details 100 false false R101.htm 996375 - Disclosure - Parent Company Financial Statements - Statements of Balance Sheets (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatementsStatementsOfBalanceSheetsDetails Parent Company Financial Statements - Statements of Balance Sheets (Details) Details 101 false false R102.htm 996385 - Disclosure - Parent Company Financial Statements - Statements of Income (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatementsStatementsOfIncomeDetails Parent Company Financial Statements - Statements of Income (Details) Details 102 false false R103.htm 996395 - Disclosure - Parent Company Financial Statements - Statements of Cash Flows (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureParentCompanyFinancialStatementsStatementsOfCashFlowsDetails Parent Company Financial Statements - Statements of Cash Flows (Details) Details 103 false false R104.htm 996405 - Disclosure - Earnings per Share ("EPS") - Schedule of Earnings per share data (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEpsScheduleOfEarningsPerShareDataDetails Earnings per Share ("EPS") - Schedule of Earnings per share data (Details) Details http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEpsTables 104 false false R105.htm 996415 - Disclosure - Earnings per Share ("EPS") - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEpsAdditionalInformationDetails Earnings per Share ("EPS") - Additional Information (Details) Details http://everettbank.com/20241231/taxonomy/role/DisclosureEarningsPerShareEpsTables 105 false false R106.htm 996425 - Disclosure - Derivatives and Hedging Activities - Schedule of Interest Rate swaps (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativesAndHedgingActivitiesScheduleOfInterestRateSwapsDetails Derivatives and Hedging Activities - Schedule of Interest Rate swaps (Details) Details 106 false false R107.htm 996435 - Disclosure - Derivative and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments and Classification on Consolidated Balance Sheets (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivitiesScheduleOfFairValueOfDerivativeFinancialInstrumentsAndClassificationOnConsolidatedBalanceSheetsDeta Derivative and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments and Classification on Consolidated Balance Sheets (Details) Details 107 false false R108.htm 996445 - Disclosure - Derivative and Hedging Activities - Schedule of Pre-tax Effects of Cash Flow Hedge Accumulated Other Comprehensive Income and Current Earnings (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivitiesScheduleOfPretaxEffectsOfCashFlowHedgeAccumulatedOtherComprehensiveIncomeAndCurrentEarningsDetails Derivative and Hedging Activities - Schedule of Pre-tax Effects of Cash Flow Hedge Accumulated Other Comprehensive Income and Current Earnings (Details) Details 108 false false R109.htm 996455 - Disclosure - Derivative and Hedging Activities - Additional Information (Details) Sheet http://everettbank.com/20241231/taxonomy/role/DisclosureDerivativeAndHedgingActivitiesAdditionalInformationDetails Derivative and Hedging Activities - Additional Information (Details) Details 109 false false All Reports Book All Reports ecbk-20241231.htm ecbk-20241231.xsd http://fasb.org/srt/2024 http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/cyd/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 false false