$MRBK
Meridian Corp Stock $mrbk

$mrbk Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000175073524000072 Filed on November 08, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$1.447M
YoY Change		15.02%
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		-$907.0K
YoY Change		-553.5%
% 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		$6.245M
YoY Change		19.87%
Income Tax		$1.502M
% Of Pretax Income		24.05%
Net Earnings		$4.743M
YoY Change		18.43%
Net Earnings / Revenue		327.78%
Basic Earnings Per Share		$0.43
Diluted Earnings Per Share		$0.42
COMMON SHARES
Basic Shares Outstanding	11.24M shares	11.19M shares
Diluted Shares Outstanding		11.23M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$32.35M
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		$12.81M
YoY Change		-3.78%
Goodwill		$899.0K
YoY Change		0.0%
Intangibles		$2.818M
YoY Change		-6.75%
Long-Term Investments		$2.166M
YoY Change		8.3%
Other Assets		$10.15M
YoY Change		102.92%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$2.388B
YoY Change		7.03%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$7.017M
YoY Change		-10.04%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt		$100.6M
YoY Change		-33.08%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$151.9M
YoY Change		-18.25%
LONG-TERM LIABILITIES
Long-Term Debt		$49.93M
YoY Change		-0.34%
Other Long-Term Liabilities		$39.52M
YoY Change		25.86%
Total Long-Term Liabilities		$89.45M
YoY Change		9.75%
TOTAL LIABILITIES
Total Short-Term Liabilities		$151.9M
Total Long-Term Liabilities		$89.45M
Total Liabilities		$2.220B
YoY Change		6.96%
SHAREHOLDERS EQUITY
Retained Earnings		$107.8M
YoY Change		5.61%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)		$26.08M
YoY Change		0.0%
Treasury Stock Shares
Shareholders Equity		$167.5M
YoY Change
Total Liabilities & Shareholders Equity		$2.388B
YoY Change		7.03%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$4.743M
YoY Change		18.43%
Depreciation, Depletion And Amortization		-$907.0K
YoY Change		-553.5%
Cash From Operating Activities		$31.22M
YoY Change		38.74%
INVESTING ACTIVITIES
Capital Expenditures		-$1.742M
YoY Change		-448.4%
Acquisitions
YoY Change
Other Investing Activities		-$44.72M
YoY Change		65.62%
Cash From Investing Activities		-$42.98M
YoY Change		56.85%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		20.05M
YoY Change		12.63%
NET CHANGE
Cash From Operating Activities		31.22M
Cash From Investing Activities		-42.98M
Cash From Financing Activities		20.05M
Net Change In Cash		8.289M
YoY Change		-35.74%
FREE CASH FLOW
Cash From Operating Activities		$31.22M
Capital Expenditures		-$1.742M
Free Cash Flow		$32.96M
YoY Change		49.81%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Document Type DocumentType	10-Q
	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19355
	dei	City Area Code CityAreaCode	484
	dei	Local Phone Number LocalPhoneNumber	568-5000
	dei	Security12b Title Security12bTitle	Common Stock, $1 par value
	dei	Trading Symbol TradingSymbol	MRBK
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	mrbk	Interest Income Cash And Cash Equivalents InterestIncomeCashAndCashEquivalents	741000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	115999000	usd
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	83-1561918
	dei	Entity Address Address Line1 EntityAddressAddressLine1	9 Old Lincoln Highway
	dei	Entity Address City Or Town EntityAddressCityOrTown	Malvern
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	11240075	shares
CY2024Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	12542000	usd
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	10067000	usd
CY2024Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	19805000	usd
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	46630000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	32347000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	179008000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	156492000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	171568000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	146019000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	31323000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	33833000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	35781000	usd
CY2024Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2166000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2121000	usd
CY2024Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	46602000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	24816000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	2008396000	usd
CY2024Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	38103000	usd
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	33980000	usd
CY2024Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1480000	usd
CY2023Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	901000	usd
CY2024Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	320000	usd
CY2023Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	333000	usd
CY2024Q3	mrbk	Interest Income Cash And Cash Equivalents InterestIncomeCashAndCashEquivalents	416000	usd
CY2023Q3	mrbk	Interest Income Cash And Cash Equivalents InterestIncomeCashAndCashEquivalents	245000	usd
CY2024Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	40319000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	35459000	usd
CY2023Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15543000	usd
CY2024Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2764000	usd
CY2023Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	2692000	usd
CY2024Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18242000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17224000	usd
CY2024Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2282000	usd
CY2023Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	82000	usd
CY2024Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	15960000	usd
CY2024Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1366000	usd
CY2023Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1103000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	10831000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	8086000	usd
CY2024Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12829000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12420000	usd
CY2024Q3	us-gaap	Occupancy Net OccupancyNet	1243000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	1226000	usd
CY2024Q3	us-gaap	Professional Fees ProfessionalFees	1106000	usd
CY2023Q3	us-gaap	Professional Fees ProfessionalFees	1104000	usd
	mrbk	Data Processing And Software DataProcessingAndSoftware	4764000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10745000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2156000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.375
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4196000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0001750735
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Entity File Number EntityFileNumber	000-55983
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1895806000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	21965000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	22107000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1986431000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1873699000	usd
CY2024Q3	us-gaap	Restricted Investments RestrictedInvestments	8542000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12807000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13557000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	29489000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	28844000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	9325000	usd
CY2024Q3	us-gaap	Other Real Estate OtherRealEstate	1862000	usd
CY2023Q4	us-gaap	Other Real Estate OtherRealEstate	1703000	usd
CY2024Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3537000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4201000	usd
CY2024Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	4364000	usd
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	11748000	usd
CY2024Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	19313000	usd
CY2024Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	6474000	usd
CY2023Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	4819000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1447000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1258000	usd
CY2024Q3	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	544000	usd
CY2023Q3	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	982000	usd
CY2024Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	222000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	201000	usd
CY2024Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-102000	usd
CY2023Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	103000	usd
CY2024Q3	mrbk	Loans Held For Sale Gain Loss On Change In Fair Value LoansHeldForSaleGainLossOnChangeInFairValue	169000	usd
CY2023Q3	mrbk	Loans Held For Sale Gain Loss On Change In Fair Value LoansHeldForSaleGainLossOnChangeInFairValue	111000	usd
CY2024Q3	mrbk	Increase Decrease In Loans Held For Investments IncreaseDecreaseInLoansHeldForInvestments	965000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-197000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	82000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-57000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-3000	usd
	mrbk	Data Processing And Software DataProcessingAndSoftware	4591000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-820000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-58000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2873000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1225000	usd
	mrbk	Depreciation And Amortization Including Amortization Of Loan Fees DepreciationAndAmortizationIncludingAmortizationOfLoanFees	276000	usd
	mrbk	Depreciation And Amortization Including Amortization Of Loan Fees DepreciationAndAmortizationIncludingAmortizationOfLoanFees	289000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7828000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2186000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	92000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	56000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	319000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	515000	usd
	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	176000	usd
	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	217000	usd
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	138000	usd
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-88000	usd
	mrbk	Increase Decrease In Loans Held For Investment IncreaseDecreaseInLoansHeldForInvestment	766000	usd
	mrbk	Increase Decrease In Loans Held For Investment IncreaseDecreaseInLoansHeldForInvestment	-673000	usd
	mrbk	Amortization Of Mortgage Servicing Rights Ms Rs And Net Impairment Of Servicing Rights AmortizationOfMortgageServicingRightsMSRsAndNetImpairmentOfServicingRights	994000	usd
	mrbk	Amortization Of Mortgage Servicing Rights Ms Rs And Net Impairment Of Servicing Rights AmortizationOfMortgageServicingRightsMSRsAndNetImpairmentOfServicingRights	1618000	usd
	mrbk	Sba Income SbaIncome	2315000	usd
	mrbk	Sba Income SbaIncome	3463000	usd
	mrbk	Proceeds From Sales Of Loans ProceedsFromSalesOfLoans	594669000	usd
	mrbk	Proceeds From Sales Of Loans ProceedsFromSalesOfLoans	515573000	usd
	mrbk	Payments For Loans Originated For Sale PaymentsForLoansOriginatedForSale	594399000	usd
	mrbk	Payments For Loans Originated For Sale PaymentsForLoansOriginatedForSale	504880000	usd
	mrbk	Mortgage Banking Income MortgageBankingIncome	15528000	usd
	mrbk	Mortgage Banking Income MortgageBankingIncome	13143000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	687000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1621000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	438000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4874000	usd
	mrbk	Gain Loss From Investment In Life Insurance GainLossFromInvestmentInLifeInsurance	644000	usd
	mrbk	Gain Loss From Investment In Life Insurance GainLossFromInvestmentInLifeInsurance	585000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	66000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	170000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-3307000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	5425000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	10780000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	16004000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	13514000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	61024000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	12949000	usd
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	1720000	usd
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	1020000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	56697000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	32730000	usd
CY2023Q4	us-gaap	Restricted Investments RestrictedInvestments	8072000	usd
CY2024Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	22077000	usd
CY2023Q3	us-gaap	Interest Expense Operating InterestExpenseOperating	18235000	usd
CY2024Q3	mrbk	Data Processing And Software DataProcessingAndSoftware	1553000	usd
CY2023Q3	mrbk	Data Processing And Software DataProcessingAndSoftware	1652000	usd
CY2024Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	717000	usd
CY2023Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	848000	usd
CY2024Q3	mrbk	Pennsylvania Bank Shares Tax Expense PennsylvaniaBankSharesTaxExpense	181000	usd
CY2023Q3	mrbk	Pennsylvania Bank Shares Tax Expense PennsylvaniaBankSharesTaxExpense	244000	usd
CY2024Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2917000	usd
CY2023Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2524000	usd
CY2024Q3	us-gaap	Noninterest Expense NoninterestExpense	20546000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	20018000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6245000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5210000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1502000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1205000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4743000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	4005000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11058000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11234000	shares
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4743000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	4005000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	695000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-575000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2420000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2059000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-14000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-1000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-43000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-2000	usd
CY2024Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	7000	usd
CY2023Q3	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	7000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	22000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	716000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-566000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2485000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2035000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-368000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	140000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1163000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	497000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1322000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2467000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4258000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	4196000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	4217000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	404000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	121658000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	153414000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-24350000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	21368000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	56697000	usd
	us-gaap	Interest Paid Net InterestPaidNet	67609000	usd
	us-gaap	Interest Paid Net InterestPaidNet	42818000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1222000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1839000	usd
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	351000	usd
	mrbk	Noncash Or Partial Noncash Net Loan Assets Sold NoncashOrPartialNoncashNetLoanAssetsSold	8162000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	11228000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	144000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	170000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	124000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	119000	shares
CY2024Q3	mrbk	Incremental Common Shares Attributable To Dilutive Effect Of Retirement Plan IncrementalCommonSharesAttributableToDilutiveEffectOfRetirementPlan	0	shares
CY2023Q3	mrbk	Incremental Common Shares Attributable To Dilutive Effect Of Retirement Plan IncrementalCommonSharesAttributableToDilutiveEffectOfRetirementPlan	186000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11234000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11363000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	489000	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	490000	shares
	dei	Entity Registrant Name EntityRegistrantName	Meridian Corp
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
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CY2024Q3	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2024#InvestmentAdviceMember
	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2024#InvestmentAdviceMember
CY2022	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2024#AccountingStandardsUpdate201613Member
CY2024Q3	us-gaap	Interest Receivable InterestReceivable	10012000	usd
CY2024Q3	mrbk	Servicing Asset Held For Sale Not Part Of Disposal Group At Amortized Cost ServicingAssetHeldForSaleNotPartOfDisposalGroupAtAmortizedCost	6609000	usd
CY2023Q4	mrbk	Servicing Asset Held For Sale Not Part Of Disposal Group At Amortized Cost ServicingAssetHeldForSaleNotPartOfDisposalGroupAtAmortizedCost	0	usd
CY2024Q3	us-gaap	Goodwill Goodwill	899000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	899000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2818000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2971000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	33835000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	25740000	usd
CY2024Q3	us-gaap	Assets Assets	2387721000	usd
CY2023Q4	us-gaap	Assets Assets	2246193000	usd
CY2024Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	237207000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	239289000	usd
CY2024Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1741720000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1584173000	usd
CY2024Q3	us-gaap	Deposits Deposits	1978927000	usd
CY2023Q4	us-gaap	Deposits Deposits	1823462000	usd
CY2024Q3	mrbk	Debt Long Term And Short Term Combined Amount Excluding Subordinated Debentures DebtLongTermAndShortTermCombinedAmountExcludingSubordinatedDebentures	144880000	usd
CY2023Q4	mrbk	Debt Long Term And Short Term Combined Amount Excluding Subordinated Debentures DebtLongTermAndShortTermCombinedAmountExcludingSubordinatedDebentures	174896000	usd
CY2024Q3	us-gaap	Subordinated Debt SubordinatedDebt	49928000	usd
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	49836000	usd
CY2024Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	7017000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	10324000	usd
CY2024Q3	us-gaap	Other Liabilities OtherLiabilities	39519000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	29653000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	2220271000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	2088171000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	25000000	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	13232258	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	13186198	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	11229075	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	11183015	shares
CY2024Q3	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	13232000	usd
CY2023Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	13186000	usd
CY2024Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	81002000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	80325000	usd
CY2024Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2003183	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2003183	shares
CY2024Q3	us-gaap	Treasury Stock Value TreasuryStockValue	26079000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	26079000	usd
CY2024Q3	us-gaap	Unearned Esop Shares UnearnedESOPShares	1204000	usd
CY2023Q4	us-gaap	Unearned Esop Shares UnearnedESOPShares	1204000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	107765000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	101216000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7266000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9422000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	167450000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	158022000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2387721000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2246193000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	109928000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	95612000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	4055000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2853000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	969000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1038000	usd
	mrbk	Interest Income Cash And Cash Equivalents InterestIncomeCashAndCashEquivalents	1047000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	100244000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	55696000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	41013000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	8606000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	7230000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	64302000	usd
	us-gaap	Interest Expense Operating InterestExpenseOperating	48243000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	51697000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	52001000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7828000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2186000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17142000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43869000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	49815000	usd
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	15528000	usd
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	13143000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4208000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3689000	usd
	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	2315000	usd
	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	3463000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	644000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	585000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	176000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	217000	usd
	mrbk	Loans Held For Sale Gain Loss On Change In Fair Value LoansHeldForSaleGainLossOnChangeInFairValue	138000	usd
	mrbk	Loans Held For Sale Gain Loss On Change In Fair Value LoansHeldForSaleGainLossOnChangeInFairValue	-88000	usd
CY2023Q3	mrbk	Increase Decrease In Loans Held For Investments IncreaseDecreaseInLoansHeldForInvestments	-570000	usd
	mrbk	Increase Decrease In Loans Held For Investments IncreaseDecreaseInLoansHeldForInvestments	766000	usd
	mrbk	Increase Decrease In Loans Held For Investments IncreaseDecreaseInLoansHeldForInvestments	-673000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-279000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	81000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-57000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-58000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4620000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3489000	usd
	us-gaap	Noninterest Income NoninterestIncome	28059000	usd
	us-gaap	Noninterest Income NoninterestIncome	23848000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	34839000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	35633000	usd
	us-gaap	Occupancy Net OccupancyNet	3706000	usd
	us-gaap	Occupancy Net OccupancyNet	3610000	usd
	us-gaap	Professional Fees ProfessionalFees	3633000	usd
	us-gaap	Professional Fees ProfessionalFees	2930000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2454000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2799000	usd
	mrbk	Pennsylvania Bank Shares Tax Expense PennsylvaniaBankSharesTaxExpense	729000	usd
	mrbk	Pennsylvania Bank Shares Tax Expense PennsylvaniaBankSharesTaxExpense	735000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7786000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6951000	usd
	us-gaap	Noninterest Expense NoninterestExpense	57738000	usd
	us-gaap	Noninterest Expense NoninterestExpense	57422000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14190000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16241000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3445000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3568000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10745000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12673000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.14
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11110000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11098000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11129000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11363000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11198000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11449000	shares
	us-gaap	Net Income Loss NetIncomeLoss	10745000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12673000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1063000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-489000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2311000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1757000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-14000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-13000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-43000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-45000	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	21000	usd
	us-gaap	Oci Debt Securities Available For Sale Transfer To Held To Maturity Adjustment From Aoci For Amortization Of Gain Loss Tax OciDebtSecuritiesAvailableForSaleTransferToHeldToMaturityAdjustmentFromAociForAmortizationOfGainLossTax	19000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	22000	usd
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	66000	usd
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	67000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1098000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-457000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2420000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1645000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-85000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	233000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-264000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	825000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1538000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2156000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-820000	usd
CY2024Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6065000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12901000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	11853000	usd
CY2024Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	162382000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	4743000	usd
CY2024Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1322000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2024Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1398000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	335000	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	66000	usd
CY2024Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	167450000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	158022000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	404000	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	319000	usd
CY2024Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	167450000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	153962000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	4005000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1538000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.125
CY2023Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1396000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	81000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	155114000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	153280000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12673000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.375
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	4217000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	127849	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4258000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	169000	usd
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	515000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	155114000	usd
	us-gaap	Profit Loss ProfitLoss	10745000	usd
	us-gaap	Profit Loss ProfitLoss	12673000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-57000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-778000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10301000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10988000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	12436000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	7301000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	470000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	1378000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	124753000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	149462000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	222000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1080000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-156309000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-143034000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	155465000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	96166000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In More Than Three Months ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	-40609000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In More Than Three Months ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths	37201000	usd
	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	10594000	usd
	us-gaap	Proceeds From Repayments Of Secured Debt ProceedsFromRepaymentsOfSecuredDebt	18676000	usd
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	0	usd
	us-gaap	Repayments Of Subordinated Debt RepaymentsOfSubordinatedDebt	54000	usd
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	usd
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	9740000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	9000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	169000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38391000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	32347000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	59759000	usd
	mrbk	Noncash Or Partial Noncash Net Loan Assets Sold NoncashOrPartialNoncashNetLoanAssetsSold	12820000	usd
	mrbk	Non Cash Or Partial Noncash Investment Security Purchases Not Settled NonCashOrPartialNoncashInvestmentSecurityPurchasesNotSettled	-7380000	usd
	mrbk	Non Cash Or Partial Noncash Investment Security Purchases Not Settled NonCashOrPartialNoncashInvestmentSecurityPurchasesNotSettled	0	usd
	us-gaap	Basis Of Accounting BasisOfAccounting	Summary of Significant Accounting Policies<div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Basis of Presentation</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Corporation’s unaudited consolidated financial statements have been prepared in accordance with U.S. GAAP for interim financial information. Accordingly, they do not include all of the information and footnotes required by GAAP for complete consolidated financial statements. In the opinion of management, all adjustments necessary for a fair presentation of the consolidated financial position and the results of operations for the interim periods presented have been included.</span></div><div style="text-align:justify"><span><br/></span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP 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. Amounts subject to significant estimates are items such as the allowance for credit losses, lending related commitments and the related unfunded commitment reserve, the fair value of financial instruments, other-than-temporary impairments of investment securities, and the valuations of goodwill, intangible assets, and servicing assets.</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These unaudited consolidated financial statements should be read in conjunction with the Corporation’s filings with the SEC (including our Annual Report on Form 10-K for the year ended December 31, 2023), subsequently filed quarterly reports on Form 10-Q and current reports on Form 8-K that update or provide information in addition to the information included in Form 10-K and Form 10-Q filings, if any.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Certain prior period amounts have been reclassified to conform with current period presentation. Reclassifications had no effect on net income or stockholders’ equity. Operating results for the three and nine months ended September 30, 2024 are not necessarily indicative of the results for the year ending December 31, 2024 or for any other period.</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:112%">Pronouncements Adopted in 2024</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following pronouncements were adopted in 2024, but did not have a material impact on our consolidated financial statements. </span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">FASB ASU 2020-06, “Debt With Conversion </span><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">and Other Options (Subtopic 470-20) and Derivatives and Hedging – Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity”</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">•</span><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">FASB ASU 2023-02, "Investments Equity Method and Joint Ventures (Topic 323) Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method"</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Pronouncements Not Yet Effective as of September 30, 2024:</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">FASB ASU 2023-07, “Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures”</span></div><div style="margin-bottom:6pt;text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The amendments in this update improve financial reporting by requiring disclosure of incremental segment information on an annual and interim basis for all public entities to enable investors to develop more decision-useful financial analyses. The amendments in this update also do not change how a public entity identifies its operating segments, aggregates those operating segments, or applies the quantitative thresholds to determine its reportable segments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The Corporation does not expect the adoption of this update for fiscal year ending December 31, 2024 to have a material impact on its disclosures. </span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">FASB ASU 2023-09, “Income Taxes (Topic 740) Improvements to Income Tax Disclosures”</span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The amendments in this update address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. This update also includes certain other amendments to improve the effectiveness of income tax disclosures. The amendments in this update are effective for fiscal years beginning after December 15, 2024 and are to be applied on a prospective basis. Early adoption is permitted.The Corporation is currently evaluating the impact on its disclosures.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">FASB ASU 2024-01 Stock Compensation - Scope Application of Profits Interest and Similar Awards</span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The amendments in this update improve the understandability of paragraph 718-10-15-3 apply to all entities that enter into share-based payments transactions. The amendments in this update are effective for fiscal years beginning after December 15, 2024 and are to be applied on a prospective basis. The Corporation is currently evaluating the impact on its disclosures.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">FASB ASU No. 2023-06, "Disclosure Improvements: Codification Amendments in Response to the SEC's Disclosure Update and Simplification Initiative". </span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">This ASU amends the disclosure or presentation requirements related to various subtopics in the FASB ASC. The amendments in this ASU are expected to clarify or improve disclosure and presentation requirements of a variety of Codification Topics, allow users to more easily compare entities subject to the SEC's existing disclosures with those entities that were not previously subject to the requirements, and align the requirements in the Codification with the SEC's regulations. For entities subject to the SEC's existing disclosure requirements and for entities required to file or furnish financial statements with or to the SEC in preparation for the sale of or for purposes of issuing securities that are not subject to contractual restrictions on transfer, the effective date for each amendment will be the date on which the SEC removes that related disclosure from its rules. For all other entities, the amendments will be effective two </span></div><div style="text-align:justify"><span style="color:#211d1e;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">years later. However, if by June 30, 2027, the SEC has not removed the related disclosure from its regulations, the amendments will be removed from the Codification and not become effective for any entity.</span></div>
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4743000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4005000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10745000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	12673000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	11254000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	11249000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	11307000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	151000	shares
	us-gaap	Weighted Average Number Of Shares Employee Stock Ownership Plan Shares Not Committed To Be Released WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased	178000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11110000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11058000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11098000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11129000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	149000	shares
	mrbk	Incremental Common Shares Attributable To Dilutive Effect Of Retirement Plan IncrementalCommonSharesAttributableToDilutiveEffectOfRetirementPlan	0	shares
	mrbk	Incremental Common Shares Attributable To Dilutive Effect Of Retirement Plan IncrementalCommonSharesAttributableToDilutiveEffectOfRetirementPlan	171000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11198000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11449000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.14
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.11
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	586000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	490000	shares
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	179008000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	740000	usd
CY2024Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	8180000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	171568000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	129	security
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	33833000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	39000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2549000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	31323000	usd
CY2024Q3	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	19	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	156492000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	491000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10964000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	146019000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	133	security
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	35781000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	52000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3103000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	32730000	usd
CY2023Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	21	security
	mrbk	Debt Securities Other Than Temporary Impairment Number Of Positions DebtSecuritiesOtherThanTemporaryImpairmentNumberOfPositions	0	security
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	28266000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	193000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	98957000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	7987000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	127223000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	8180000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	29068000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2549000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	29068000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	2549000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	14566000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	193000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	110242000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	10771000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	124808000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	10964000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1021000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	29404000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3097000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	30425000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	3103000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	0	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	20542000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	19201000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	2017000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2014000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	24592000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	23719000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	5781000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	5102000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	62812000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	59516000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	26035000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	24207000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	107946000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	102436000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDate	33833000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	31323000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	71062000	usd
CY2024Q3	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	69132000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Without Single Maturity Date DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate	0	usd
CY2024Q3	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	0	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	179008000	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	171568000	usd
CY2024Q3	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	33833000	usd
CY2024Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	31323000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	16000000.0	usd
CY2024Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	16000000.0	usd
CY2024Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-57000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-57000	usd
CY2023Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	155000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	13500000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-3000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-58000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	2003460000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	1888448000	usd
CY2024Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	13965000	usd
CY2023Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	13726000	usd
CY2024Q3	mrbk	Loans Receivable Amortized Cost LoansReceivableAmortizedCost	15344000	usd
CY2023Q4	mrbk	Loans Receivable Amortized Cost LoansReceivableAmortizedCost	16198000	usd
CY2024Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	11085000	usd
CY2023Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	19210000	usd
CY2024Q3	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	4936000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	7358000	usd
CY2024Q3	mrbk	Financing Receivable Excluding Interest Total Accruing Loans And Leases FinancingReceivableExcludingInterestTotalAccruingLoansAndLeases	1958317000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	45143000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	2003460000	usd
CY2024Q3	us-gaap	Financing Receivable Percent Past Due1 FinancingReceivablePercentPastDue1	0.0267
CY2024Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	14000000.0	usd
CY2023Q4	mrbk	Financing Receivable Excluding Interest Total Accruing Loans And Leases FinancingReceivableExcludingInterestTotalAccruingLoansAndLeases	1854685000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	33763000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Fee And Loan In Process FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess	1888448000	usd
CY2023Q4	us-gaap	Financing Receivable Percent Past Due1 FinancingReceivablePercentPastDue1	0.0210
CY2023Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	13700000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	22576000	usd
CY2024Q3	mrbk	Financing Receivable Excluding Accrued Interest Nonaccrual With Allowance FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance	22567000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	45143000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	15860000	usd
CY2023Q4	mrbk	Financing Receivable Excluding Accrued Interest Nonaccrual With Allowance FinancingReceivableExcludingAccruedInterestNonaccrualWithAllowance	17903000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	33763000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	45143000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	33763000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	21703000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	574000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	2440000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	152000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	1976000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	21965000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	574000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	22107000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	574000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	9236000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	524000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	7996000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	21965000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	20242000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	1009000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	95000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	355000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	19683000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	18828000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	3661000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	308000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	2612000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	19683000	usd
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	1976000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	355000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	7996000	usd
	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	2612000	usd
CY2024Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	306000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-273000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-168000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-426000	usd
CY2024Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2282000	usd
CY2023Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	82000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7828000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2186000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	6759000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	15206000	usd
CY2024Q3	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	21965000	usd
CY2024Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	44782000	usd
CY2024Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1944713000	usd
CY2024Q3	mrbk	Financing Receivable Excluding Loans And Leases Carried At Fair Value FinancingReceivableExcludingLoansAndLeasesCarriedAtFairValue	1989495000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	6496000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	15611000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	22107000	usd
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	32977000	usd
CY2023Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1841745000	usd
CY2023Q4	mrbk	Financing Receivable Excluding Loans And Leases Carried At Fair Value FinancingReceivableExcludingLoansAndLeasesCarriedAtFairValue	1874722000	usd
CY2024Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	14000000.0	usd
CY2023Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	13700000	usd
CY2024Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	loan
CY2024Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	876000	usd
CY2024Q3	mrbk	Financing Receivable Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	0	usd
CY2023Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	loan
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	1517000	usd
CY2023Q3	mrbk	Financing Receivable Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	0	usd
CY2024Q3	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Amount FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodAmount	0	usd
CY2024Q3	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	0	usd
CY2023Q3	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	2	loan
CY2023Q3	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Amount FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodAmount	306000	usd
CY2023Q3	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	77000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	11	loan
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	4301000	usd
	mrbk	Financing Receivable Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	0	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	4	loan
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	3924000	usd
	mrbk	Financing Receivable Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	0	usd
	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	8	loan
	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Amount FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodAmount	4977000	usd
	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	942000	usd
	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	3	loan
	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Amount FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodAmount	1712000	usd
	mrbk	Financing Receivable Nonaccrual Excluding Accrued Interest Modified In Period Related Reserve Allowance FinancingReceivableNonaccrualExcludingAccruedInterestModifiedInPeriodRelatedReserveAllowance	499000	usd
CY2024Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	loan
CY2023Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3	loan
CY2023Q3	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	2	loan
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	11	loan
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	4	loan
	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	8	loan
	mrbk	Financing Receivable Noncaccrual Modifications Number Of Contracts FinancingReceivableNoncaccrualModificationsNumberOfContracts	3	loan
CY2024Q3	mrbk	Financing Receivable Modifications Accrual And Nonaccrual Loans Number Of Contracts FinancingReceivableModificationsAccrualAndNonaccrualLoansNumberOfContracts	3	modification
CY2023Q3	mrbk	Financing Receivable Modifications Accrual And Nonaccrual Loans Number Of Contracts FinancingReceivableModificationsAccrualAndNonaccrualLoansNumberOfContracts	5	modification
	mrbk	Financing Receivable Modifications Accrual And Nonaccrual Loans Number Of Contracts FinancingReceivableModificationsAccrualAndNonaccrualLoansNumberOfContracts	14	modification
	mrbk	Financing Receivable Modifications Accrual And Nonaccrual Loans Number Of Contracts FinancingReceivableModificationsAccrualAndNonaccrualLoansNumberOfContracts	7	modification
CY2024Q3	mrbk	Financing Receivable Modified Subsequent Default Number Of Loans FinancingReceivableModifiedSubsequentDefaultNumberOfLoans	1	loan
	mrbk	Financing Receivable Modified Subsequent Default Number Of Loans FinancingReceivableModifiedSubsequentDefaultNumberOfLoans	2	loan
	mrbk	Financing Receivable Modified Subsequent Default Number Of Loans FinancingReceivableModifiedSubsequentDefaultNumberOfLoans	0	loan
CY2023Q3	mrbk	Financing Receivable Modified Subsequent Default Number Of Loans FinancingReceivableModifiedSubsequentDefaultNumberOfLoans	0	loan
CY2024Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	100614000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	141224000	usd
CY2024Q3	mrbk	Servicing Asset Held For Sale Not Part Of Disposal Group At Amortized Cost ServicingAssetHeldForSaleNotPartOfDisposalGroupAtAmortizedCost	6600000	usd
CY2023Q2	mrbk	Derivative Number Of Instruments Entered Into During The Period DerivativeNumberOfInstrumentsEnteredIntoDuringThePeriod	3	derivative_instrument
CY2023Q2	mrbk	Derivative Number Of Instruments Entered Into During The Period DerivativeNumberOfInstrumentsEnteredIntoDuringThePeriod	3	derivative_instrument
CY2024Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1200000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-264000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	497000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	825000	usd
CY2024Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	305654000	usd
CY2024Q3	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-602000	usd
CY2023Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	226652000	usd
CY2023Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-410000	usd
CY2024Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-1593000	usd
CY2023Q3	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	693000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-162000	usd
	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	1241000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-197000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-279000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	82000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	81000	usd
	mrbk	Number Of Loan Production Offices NumberOfLoanProductionOffices	8	office
CY2024Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18242000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17224000	usd
CY2024Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2282000	usd
CY2023Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	82000	usd
CY2024Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	15960000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17142000	usd
CY2024Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	6474000	usd
CY2023Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	4819000	usd
CY2024Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1447000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1258000	usd
CY2024Q3	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	544000	usd
CY2023Q3	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	982000	usd
CY2024Q3	mrbk	Gain Loss On Net Change In Fair Values GainLossOnNetChangeInFairValues	1032000	usd
CY2023Q3	mrbk	Gain Loss On Net Change In Fair Values GainLossOnNetChangeInFairValues	-356000	usd
CY2024Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-197000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	82000	usd
CY2024Q3	mrbk	Noninterest Income Other Operating Income Miscellaneous NoninterestIncomeOtherOperatingIncomeMiscellaneous	1531000	usd
CY2023Q3	mrbk	Noninterest Income Other Operating Income Miscellaneous NoninterestIncomeOtherOperatingIncomeMiscellaneous	1301000	usd
CY2024Q3	us-gaap	Noninterest Income NoninterestIncome	10831000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	8086000	usd
CY2024Q3	us-gaap	Noninterest Expense NoninterestExpense	20546000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	20018000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6245000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5210000	usd
CY2024Q3	us-gaap	Assets Assets	2387721000	usd
CY2023Q3	us-gaap	Assets Assets	2230971000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	51697000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	52001000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7828000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	2186000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	43869000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	49815000	usd
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	15528000	usd
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	13143000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4208000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3689000	usd
	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	2315000	usd
	mrbk	Sba Income Net Amortization SbaIncomeNetAmortization	3463000	usd
	mrbk	Gain Loss On Net Change In Fair Values GainLossOnNetChangeInFairValues	1080000	usd
	mrbk	Gain Loss On Net Change In Fair Values GainLossOnNetChangeInFairValues	-544000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-279000	usd
	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	81000	usd
	mrbk	Noninterest Income Other Operating Income Miscellaneous NoninterestIncomeOtherOperatingIncomeMiscellaneous	5207000	usd
	mrbk	Noninterest Income Other Operating Income Miscellaneous NoninterestIncomeOtherOperatingIncomeMiscellaneous	4016000	usd
	us-gaap	Noninterest Income NoninterestIncome	28059000	usd
	us-gaap	Noninterest Income NoninterestIncome	23848000	usd
	us-gaap	Noninterest Expense NoninterestExpense	57738000	usd
	us-gaap	Noninterest Expense NoninterestExpense	57422000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14190000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16241000	usd
CY2024Q3	us-gaap	Assets Assets	2387721000	usd
CY2023Q3	us-gaap	Assets Assets	2230971000	usd

Files In Submission

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mrbk-20240930_cal.xml	Edgar Link	unprocessable

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$MRBK
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2024 Q4 Form 10-Q Financial Statement

#000175073524000072 Filed on November 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRBK Meridian Corp Stock $mrbk

2024 Q4 Form 10-Q Financial Statement

#000175073524000072 Filed on November 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MRBK
Meridian Corp Stock $mrbk