$MSBB
Mercer Bancorp, Inc. Stock $msbb

$msbb Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-K Financial Statement

#000155837025000202 Filed on January 14, 2025

Income Statement

Concept	2024 Q4	2024 Q3	2024
Revenue			$8.248M
YoY Change			37.4%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization			$365.8K
YoY Change			16.95%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income			$858.4K
YoY Change			-9.62%
Income Tax			$165.7K
% Of Pretax Income			19.3%
Net Earnings			$692.7K
YoY Change			-9.98%
Net Earnings / Revenue			8.4%
Basic Earnings Per Share			$0.73
Diluted Earnings Per Share			$0.73
COMMON SHARES
Basic Shares Outstanding	1.023M	1.023M
Diluted Shares Outstanding

Balance Sheet

Concept	2024 Q4	2024 Q3	2024
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$5.898M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment		$2.731M
YoY Change		4.99%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$181.7M
YoY Change		14.27%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities
Total Liabilities		$157.8M
YoY Change		15.8%
SHAREHOLDERS EQUITY
Retained Earnings		$16.37M
YoY Change		4.08%
Common Stock		$10.23K
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$23.95M
YoY Change
Total Liabilities & Shareholders Equity		$181.7M
YoY Change		14.27%

Cashflow Statement

Concept	2024 Q4	2024 Q3	2024
OPERATING ACTIVITIES
Net Income			$692.7K
YoY Change			-9.98%
Depreciation, Depletion And Amortization			$365.8K
YoY Change			16.95%
Cash From Operating Activities			-$8.128M
YoY Change			374.32%
INVESTING ACTIVITIES
Capital Expenditures			$485.2K
YoY Change			64.29%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities			-$14.01M
YoY Change			23.47%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities			21.74M
YoY Change			337.22%
NET CHANGE
Cash From Operating Activities			-8.128M
Cash From Investing Activities			-14.01M
Cash From Financing Activities			21.74M
Net Change In Cash			-393.7K
YoY Change			-95.13%
FREE CASH FLOW
Cash From Operating Activities			-$8.128M
Capital Expenditures			$485.2K
Free Cash Flow			-$8.613M
YoY Change			328.75%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2024	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2024	dei	Entity Central Index Key EntityCentralIndexKey	0001967306
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CY2024	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
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CY2023Q3	us-gaap	Preferred Stock Value PreferredStockValue
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CY2024	dei	Document Type DocumentType	10-K
CY2024	dei	Document Annual Report DocumentAnnualReport	true
CY2024	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
CY2024	dei	Document Transition Report DocumentTransitionReport	false
CY2024	dei	Entity File Number EntityFileNumber	000-56575
CY2024	dei	Entity Registrant Name EntityRegistrantName	Mercer Bancorp, Inc.
CY2024	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2024	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	92-3452469
CY2024	dei	Entity Address Address Line1 EntityAddressAddressLine1	1100 Irmscher Blvd
CY2024	dei	Entity Address City Or Town EntityAddressCityOrTown	Celina
CY2024	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2024	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	45822
CY2024	dei	City Area Code CityAreaCode	419
CY2024	dei	Local Phone Number LocalPhoneNumber	586-5158
CY2024	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2024	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2024	dei	Auditor Firm AuditorFirmId	74
CY2024	dei	Auditor Name AuditorName	S.R. Snodgrass, P.C.
CY2024	dei	Auditor Location AuditorLocation	Cranberry Township, Pennsylvania
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CY2024	merbc	Repayment Of Federal Home Loan Bank Advances RepaymentOfFederalHomeLoanBankAdvances	138600000
CY2023	merbc	Repayment Of Federal Home Loan Bank Advances RepaymentOfFederalHomeLoanBankAdvances	4500000
CY2023	merbc	Proceeds From Stock Subscriptions ProceedsFromStockSubscriptions	7834161
CY2024	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	21741209
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4891266
CY2024	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-393740
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-8085382
CY2023	us-gaap	Occupancy Net OccupancyNet	452674
CY2024	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	645730
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	528187
CY2024	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	134175
CY2023	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	91523
CY2024	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	73925
CY2023	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	60279
CY2024	us-gaap	Professional Fees ProfessionalFees	507273
CY2023	us-gaap	Professional Fees ProfessionalFees	281393
CY2024	merbc	Deposit Account Services Expense DepositAccountServicesExpense	277059
CY2023	merbc	Deposit Account Services Expense DepositAccountServicesExpense	248977
CY2024	us-gaap	Advertising Expense AdvertisingExpense	125618
CY2023	us-gaap	Advertising Expense AdvertisingExpense	97111
CY2024	us-gaap	Loan Processing Fee LoanProcessingFee	288833
CY2023	us-gaap	Loan Processing Fee LoanProcessingFee	101743
CY2024	merbc	Charitable Contribution Expense CharitableContributionExpense	10500
CY2023	merbc	Charitable Contribution Expense CharitableContributionExpense	617900
CY2024	us-gaap	Other Noninterest Expense OtherNoninterestExpense	467441
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	361507
CY2024	us-gaap	Noninterest Expense NoninterestExpense	5632993
CY2023	us-gaap	Noninterest Expense NoninterestExpense	5130621
CY2024	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	858407
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	917375
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165670
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	173411
CY2024	us-gaap	Net Income Loss NetIncomeLoss	692737
CY2023	us-gaap	Net Income Loss NetIncomeLoss	743964
CY2024	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2024	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2024	us-gaap	Net Income Loss NetIncomeLoss	692737
CY2023	us-gaap	Net Income Loss NetIncomeLoss	743964
CY2024	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	684038
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	47716
CY2024	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	4311
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-7012
CY2024	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	142743
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	11492
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	536984
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	43236
CY2024	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1229721
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	787200
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	22677691
CY2024	us-gaap	Net Income Loss NetIncomeLoss	692737
CY2024	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	70901
CY2024	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	536984
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	23953033
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	14056330
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7834161
CY2023	us-gaap	Net Income Loss NetIncomeLoss	743964
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	43236
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	22677691
CY2024	us-gaap	Profit Loss ProfitLoss	692737
CY2023	us-gaap	Profit Loss ProfitLoss	743964
CY2024	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	365793
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	312774
CY2024	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	12001
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	52852
CY2024	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	71413
CY2023	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	72384
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12283
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-146745
CY2024	merbc	Interest Income Allowance For Credit Loss InterestIncomeAllowanceForCreditLoss	68000
CY2023	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	7951
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	287032
CY2024	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	8425680
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	3375905
CY2024	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	4311
CY2023	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-7012
CY2024	merbc	Gain Loss On Sale Of Foreclosed Assets GainLossOnSaleOfForeclosedAssets	26328
CY2023	merbc	Noninterest Expense Life Insurance Death Benefits NoninterestExpenseLifeInsuranceDeathBenefits	4514
CY2024	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	63699
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	58819
CY2024	us-gaap	Share Based Compensation ShareBasedCompensation	98708
CY2024	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	228648
CY2023	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	79964
CY2024	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	203517
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-207594
CY2024	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-329356
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	14376718
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5897596
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6291336
CY2024	us-gaap	Interest Paid Net InterestPaidNet	2446502
CY2023	us-gaap	Interest Paid Net InterestPaidNet	533216
CY2024	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	400500
CY2024	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	0
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0
CY2024Q3	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	151047
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	171979
CY2024	merbc	Transfer Of Loans To Real Estate Acquired Through Foreclosure TransferOfLoansToRealEstateAcquiredThroughForeclosure	125668
CY2023	merbc	Transfer Of Loans To Real Estate Acquired Through Foreclosure TransferOfLoansToRealEstateAcquiredThroughForeclosure	72000
CY2023Q3	us-gaap	Stock Issued During Period Shares Employee Stock Ownership Plan StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan	81838
CY2023Q3	merbc	Stock Issued During Period Shares Employee Stock Ownership Plan As Percentage Of Common Stock Issued StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlanAsPercentageOfCommonStockIssued	0.08
CY2023Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1022970
CY2023Q3	merbc	Proceeds From Offering Amount Contributed ProceedsFromOfferingAmountContributed	4117000
CY2023Q3	merbc	Proceeds From Offering Amount Loaned ProceedsFromOfferingAmountLoaned	818000
CY2023Q3	merbc	Proceeds From Offering Amount Retained ProceedsFromOfferingAmountRetained	3299000
CY2024	merbc	Number Of Office Locations NumberOfOfficeLocations	4
CY2024	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:italic;font-weight:bold;margin:0pt 0pt 12pt 0pt;">Use of Estimates</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt 0pt 12pt 0pt;">Material estimates that are particularly susceptible to significant change relate to the determination of the allowance for credit losses.</p>
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0
CY2024Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0
CY2024Q3	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	464
CY2024Q3	us-gaap	Financing Receivable Accrued Interest After Allowance For Credit Loss FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss	489780
CY2023	merbc	Other Than Temporary Impairment Loss Debt Securities OtherThanTemporaryImpairmentLossDebtSecurities	0
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	341947
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4544
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	7484083
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	495165
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	7826030
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	499709
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	341947
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4544
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	7575485
CY2024	merbc	Number Of Foreclosed Residential Real Estate Properties NumberOfForeclosedResidentialRealEstateProperties	0
CY2024Q3	merbc	Mortgage Loans In Process Of Foreclosure Number MortgageLoansInProcessOfForeclosureNumber	0
CY2023Q3	merbc	Mortgage Loans In Process Of Foreclosure Number MortgageLoansInProcessOfForeclosureNumber	2
CY2023Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	136000
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	1000288
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	986310
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	2000000
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	1977810
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	473171
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	493260
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	3421238
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	3189628
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	6894697
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	6647008
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	11530571
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	11121278
CY2024Q3	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	493000
CY2023Q3	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	468000
CY2024	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	888000
CY2024	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	13870
CY2023	us-gaap	Dilutive Securities DilutiveSecurities	0
CY2024	us-gaap	Dilutive Securities DilutiveSecurities	0
CY2024	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	9559
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	1655000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	5735
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	12747
CY2024	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	21
CY2023	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionNumberOfPositions	28
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	7826000
CY2023Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	11450000
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Percentage Of Fair Value In Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityPercentageOfFairValueInLossPosition	0.70
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Percentage Of Fair Value In Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityPercentageOfFairValueInLossPosition	1
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	496603
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPosition	7917432
CY2024Q3	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionAccumulatedLoss	501147
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1481544
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	71136
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	9968171
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1017885
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	11449715
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1089021
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12Months	1481544
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	71136
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLonger	10111313
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1022034
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPosition	11592857
CY2023Q3	merbc	Debt Securities Available For Sale And Held To Maturity Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleAndHeldToMaturityUnrealizedLossPositionAccumulatedLoss	1093170
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	148690458
CY2023Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	133805557
CY2024Q3	us-gaap	Financing Receivable Loan In Process FinancingReceivableLoanInProcess	2309368
CY2023Q3	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	2578282
CY2024Q3	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	-339455
CY2023Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	325621
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	963268
CY2023Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	934331
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	145078367
CY2023Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	129967323
CY2023Q3	merbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetLiability	934331
CY2024	merbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Liability Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetLiabilityCreditLossExpenseReversal	63000
CY2024	merbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Liability Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetLiabilityAllowanceForCreditLossWriteoff	-66864
CY2024	merbc	Financing Receivable Excluding Accrued Interest And Off Balance Sheet Liability Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAndOffBalanceSheetLiabilityAllowanceForCreditLossRecovery	801
CY2024Q3	merbc	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest And Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestAndOffBalanceSheetLiability	963268
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	983654
CY2023	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	49353
CY2023	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	30
CY2023Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	934331
CY2024Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	0
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	934331000
CY2023Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	133805557000
CY2023Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	133805557
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	148690458
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	11530572
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	90415
CY2024Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	26516
CY2023Q3	us-gaap	Loans And Leases Receivable Before Fees Gross LoansAndLeasesReceivableBeforeFeesGross	133805557
CY2024Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	0
CY2023Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	0
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	499709
CY2023Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	0
CY2024Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	0
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	11121278
CY2023	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0
CY2024	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0
CY2023Q3	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	12538736
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1089021
CY2023Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	11449715
CY2024Q3	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	8693000
CY2024Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	0.065
CY2024Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	20829000
CY2024Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.116
CY2024Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	7183000
CY2024Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2024Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	8978000
CY2024Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2023Q3	us-gaap	Capital Capital	21120000
CY2023Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.19
CY2023Q3	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	8897000
CY2023Q3	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2023Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	11121000
CY2023Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.10
CY2023Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	20186000
CY2023Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.182
CY2023Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	6672000
CY2023Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	8897000
CY2023Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2023Q3	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	20186000
CY2023Q3	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.182
CY2023Q3	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	5004000
CY2023Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum	0.045
CY2023Q3	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	7228000
CY2023Q3	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	228694
CY2023Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Well Capitalized Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum	0.065
CY2023Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	20186000
CY2023Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.131
CY2023Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	6158000
CY2023Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2023Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	7697000
CY2023Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.05
CY2024Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	6852360
CY2023Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	6367202
CY2024Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4121027
CY2023Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3765627
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2731333
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2601575
CY2024	us-gaap	Depreciation Depreciation	355000
CY2023	us-gaap	Depreciation Depreciation	302000
CY2024Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	3219000
CY2023Q3	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	3663000
CY2024Q3	us-gaap	Time Deposit Maturities Next Rolling Twelve Months TimeDepositMaturitiesNextRollingTwelveMonths	26151394
CY2024Q3	us-gaap	Time Deposit Maturities Rolling Year Two TimeDepositMaturitiesRollingYearTwo	5726544
CY2024Q3	us-gaap	Time Deposit Maturities Rolling Year Three TimeDepositMaturitiesRollingYearThree	444437
CY2024Q3	us-gaap	Time Deposit Maturities Rolling Year Four TimeDepositMaturitiesRollingYearFour	321750
CY2024Q3	us-gaap	Time Deposit Maturities Rolling Year Five TimeDepositMaturitiesRollingYearFive	10073996
CY2024Q3	us-gaap	Time Deposit Maturities After Rolling Year Five TimeDepositMaturitiesAfterRollingYearFive	139834
CY2024Q3	us-gaap	Time Deposits TimeDeposits	42857955
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	15000000
CY2023Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	12000000
CY2024Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	72870000
CY2023Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	74469000
CY2024Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	23154000
CY2023Q3	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Maximum Amount Available FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable	37603000
CY2024Q3	merbc	Deferred Tax Assets Charitable Contributions DeferredTaxAssetsCharitableContributions	44699
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0481
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	19000000
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0.0508
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	3000000
CY2024Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	22000000
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Current FederalHomeLoanBankAdvancesCurrent	18000000
CY2023Q3	us-gaap	Federal Home Loan Bank Advances Current FederalHomeLoanBankAdvancesCurrent	10000000
CY2024	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	13316712
CY2023	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Balance Of Agreements Outstanding FederalHomeLoanBankAdvancesActivityForYearAverageBalanceOfAgreementsOutstanding	1643836
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	18000000
CY2023Q3	merbc	Deferred Tax Assets Charitable Contributions DeferredTaxAssetsCharitableContributions	92946
CY2023Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Maximum Outstanding At Any Month End FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd	10000000
CY2024Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0501
CY2023Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0542
CY2024	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0544
CY2023	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate For Year FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear	0.0533
CY2024Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	84152
CY2023Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	60433
CY2024Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	572836
CY2023Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	741238
CY2024Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	121970
CY2023Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	121554
CY2024	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	177953
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	320156
CY2024	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12283
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-146745
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165670
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	173411
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2024	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2024	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	180265
CY2024	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	192649
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2024	merbc	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	9513
CY2024	merbc	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurancePercent	0.0111
CY2023	merbc	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	12352
CY2023	merbc	Effective Income Tax Rate Reconciliation Bank Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationBankOwnedLifeInsurancePercent	0.0135
CY2024	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	22288
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.0259
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	24121
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.0263
CY2023	merbc	Income Tax Reconciliation Nontaxable Life Insurance Benefit IncomeTaxReconciliationNontaxableLifeInsuranceBenefit	948
CY2023	merbc	Effective Income Tax Rate Reconciliation Nontaxable Life Insurance Death Benefit Percent EffectiveIncomeTaxRateReconciliationNontaxableLifeInsuranceDeathBenefitPercent	0.001
CY2024	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	17206
CY2024	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.02
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	18183
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0198
CY2024	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165670
CY2024	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.193
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	173411
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.189
CY2024Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	210308
CY2023Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	202051
CY2024Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	147423
CY2023Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	157114
CY2024Q3	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	86254
CY2024Q3	merbc	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	109290
CY2023Q3	merbc	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	162732
CY2024Q3	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	26335
CY2023Q3	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	28593
CY2024Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	31375
CY2023Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	21055
CY2024Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	288970
CY2023Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	333934
CY2024Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	283866
CY2023Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	407304
CY2023Q3	us-gaap	Bad Debt Reserve For Tax Purposes Of Qualified Lender BadDebtReserveForTaxPurposesOfQualifiedLender	909000
CY2024Q3	us-gaap	Bad Debt Reserve For Tax Purposes Of Qualified Lender BadDebtReserveForTaxPurposesOfQualifiedLender	909000
CY2023Q3	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	191000
CY2024Q3	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	191000
CY2024Q3	us-gaap	Capital Capital	21797000
CY2024Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.163
CY2024Q3	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	10699000
CY2024Q3	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2024Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	13374000
CY2024Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.10
CY2024Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	20829000
CY2024Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.156
CY2024Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	8024000
CY2024Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2024Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	10699000
CY2024Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.08
CY2024Q3	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	20829000
CY2024Q3	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.156
CY2024Q3	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	6018000
CY2024Q3	us-gaap	Banking Regulation Common Equity Tier One Risk Based Capital Ratio Capital Adequacy Minimum BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum	0.045
CY2024Q3	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	578000
CY2023Q3	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	478000
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Shares Contributed To Esop EmployeeStockOwnershipPlanESOPSharesContributedToESOP	81838
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Weighted Average Purchase Price Of Shares Purchased EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased	10
CY2024	us-gaap	Employee Stock Ownership Plan Esop Debt Structure Employer Loan Description EmployeeStockOwnershipPlanESOPDebtStructureEmployerLoanDescription	financed by the 15-year term loan with the Company. The interest rate of the loan is 8.50% and the maturity date is December 31, 2037. The loan is secured by shares purchased with the loan proceeds and will be repaid by the ESOP with funds from the Bank’s discretionary contributions to the ESOP.
CY2023	merbc	Employee Stock Ownership Plan Esop Loan Term EmployeeStockOwnershipPlanEsopLoanTerm	P15Y
CY2023Q3	merbc	Employee Stock Ownership Plan Esop Loan Interest Rate EmployeeStockOwnershipPlanEsopLoanInterestRate	0.085
CY2024	merbc	Employee Stock Ownership Plan Esop Number Of Shares Committed To Be Released To Participants EmployeeStockOwnershipPlanEsopNumberOfSharesCommittedToBeReleasedToParticipants	0
CY2023	merbc	Employee Stock Ownership Plan Esop Number Of Shares Committed To Be Released To Participants EmployeeStockOwnershipPlanEsopNumberOfSharesCommittedToBeReleasedToParticipants	0
CY2024	merbc	Employee Stock Ownership Plan Esop Number Of Shares Allocated To Participants EmployeeStockOwnershipPlanEsopNumberOfSharesAllocatedToParticipants	5456
CY2023	merbc	Employee Stock Ownership Plan Esop Number Of Shares Allocated To Participants EmployeeStockOwnershipPlanEsopNumberOfSharesAllocatedToParticipants	0
CY2024	merbc	Employee Stock Ownership Plan Esop Number Of Unreleased Shares EmployeeStockOwnershipPlanEsopNumberOfUnreleasedShares	76382
CY2023	merbc	Employee Stock Ownership Plan Esop Number Of Unreleased Shares EmployeeStockOwnershipPlanEsopNumberOfUnreleasedShares	81838
CY2024Q3	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	81838
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	81838
CY2024Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	962413
CY2023Q3	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	1128546
CY2024	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	99000
CY2023	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	30000
CY2024Q3	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	10011574
CY2023Q3	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	11890522
CY2024	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	905
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-1473
CY2024	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	3406
CY2023	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-5539
CY2023Q1	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	10
CY2023Q1	merbc	Employee Stock Ownership Plan Esop Percent Of Shares To Be Subscribed EmployeeStockOwnershipPlanEsopPercentOfSharesToBeSubscribed	0.08

Files In Submission

Name	View Source	Status
0001558370-25-000202-index-headers.html	Edgar Link	pending
0001558370-25-000202-index.html	Edgar Link	pending
0001558370-25-000202.txt	Edgar Link	pending
0001558370-25-000202-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
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$MSBB
Mercer Bancorp, Inc. Stock $msbb

2024 Q4 Form 10-K Financial Statement

#000155837025000202 Filed on January 14, 2025

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSBB Mercer Bancorp, Inc. Stock $msbb

2024 Q4 Form 10-K Financial Statement

#000155837025000202 Filed on January 14, 2025

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MSBB
Mercer Bancorp, Inc. Stock $msbb