$FMBM
F&M BANK CORP Stock $fmbm

$fmbm Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000165495424003726 Filed on March 27, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$15.52M		$56.33M
YoY Change	55328.57%		33.52%
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	$359.0K	$367.0K	$1.300M
YoY Change	26.41%	32.49%	18.18%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$7.449M		$24.67M
YoY Change	44.75%		240.44%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$1.216M	$237.0K	$2.025M
YoY Change	21.12%	-87.51%	-76.98%
Income Tax	-$1.000K	-$220.0K	-$746.0K
% Of Pretax Income	-0.08%	-92.83%	-36.84%
Net Earnings	$1.217M	$457.0K	$1.055M
YoY Change	15.36%	-73.07%	-87.32%
Net Earnings / Revenue	7.84%		1.87%
Basic Earnings Per Share
Diluted Earnings Per Share	$0.35	$0.13	$0.79
COMMON SHARES
Basic Shares Outstanding	3.483M shares	3.482M shares	3.476B shares
Diluted Shares Outstanding

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$411.5M	$392.4M
YoY Change		-8.14%
Cash & Equivalents	$52.49M	$23.72M
Short-Term Investments	$359.0M	$368.7M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$5.094M	$5.034M
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$23.37M	$23.64M	$24.35M
YoY Change	17.01%	20.67%	19.07%
Goodwill	$3.082M	$3.082M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets			$10.14M
YoY Change			-17.12%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.316B	$1.295B	$1.295B
YoY Change	5.06%	3.91%	3.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$713.0K	$3.600M	$733.0K
YoY Change	-16.22%	5.88%	-17.27%
Deferred Revenue
YoY Change
Short-Term Debt	$60.00M	$60.00M
YoY Change	9.09%	-14.29%
Long-Term Debt Due	$6.943M	$6.932M
YoY Change	0.61%	0.61%
Total Short-Term Liabilities	$713.0K	$733.0K	$733.0K
YoY Change	-16.22%	-17.27%	-17.27%
LONG-TERM LIABILITIES
Long-Term Debt	$6.943M	$6.932M	$6.932M
YoY Change	0.61%	0.61%	0.61%
Other Long-Term Liabilities	$14.48M	$16.11M	$16.11M
YoY Change	18.18%	15.39%	15.39%
Total Long-Term Liabilities	$21.42M	$23.04M	$23.04M
YoY Change	11.85%	234.35%	10.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$713.0K	$733.0K	$733.0K
Total Long-Term Liabilities	$21.42M	$23.04M	$23.04M
Total Liabilities	$1.238B	$1.216B	$1.216B
YoY Change	4.93%	3.5%	3.5%
SHAREHOLDERS EQUITY
Retained Earnings	$81.35M	$81.03M
YoY Change	-0.84%	-2.46%
Common Stock	$17.32M	$17.26M
YoY Change	-37.93%	-37.74%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$77.73M	$72.64M	$78.32M
YoY Change
Total Liabilities & Shareholders Equity	$1.316B	$1.295B	$1.295B
YoY Change	5.06%	3.91%	3.91%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$1.217M	$457.0K	$1.055M
YoY Change	15.36%	-73.07%	-87.32%
Depreciation, Depletion And Amortization	$359.0K	$367.0K	$1.300M
YoY Change	26.41%	32.49%	18.18%
Cash From Operating Activities	$2.942M	-$8.474M	$2.397M
YoY Change	8072.22%	-179.97%	-93.99%
INVESTING ACTIVITIES
Capital Expenditures	$70.00K	$78.00K	$5.453M
YoY Change	-89.77%	-91.54%	49.73%
Acquisitions
YoY Change
Other Investing Activities	$3.645M	$11.64M	-$44.75M
YoY Change	-140.05%	-214.25%	-68.98%
Cash From Investing Activities	$3.575M	$11.56M	-$50.20M
YoY Change	-136.54%	-204.06%	-66.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$22.25M	-1.524M	$36.57M
YoY Change	266.65%	-129.59%	-33.3%
NET CHANGE
Cash From Operating Activities	$2.942M	-8.474M	$2.397M
Cash From Investing Activities	$3.575M	11.56M	-$50.20M
Cash From Financing Activities	$22.25M	-1.524M	$36.57M
Net Change In Cash	$28.77M	1.559M	-$11.24M
YoY Change	-881.77%	-66.41%	-78.87%
FREE CASH FLOW
Cash From Operating Activities	$2.942M	-$8.474M	$2.397M
Capital Expenditures	$70.00K	$78.00K	$5.453M
Free Cash Flow	$2.872M	-$8.552M	-$3.056M
YoY Change	-543.21%	-188.4%	-108.43%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	fmbm	Available For Sale Securities Net AvailableForSaleSecuritiesNet	0	usd
CY2023	fmbm	Available For Sale Securities Gross Realized Loss Amount AvailableForSaleSecuritiesGrossRealizedLossAmount	0	usd
CY2023	fmbm	Proceeds From Sale Of Securities Amount ProceedsFromSaleOfSecuritiesAmount	0	usd
CY2022	fmbm	Available For Sale Securities Gross Realized Loss Amount AvailableForSaleSecuritiesGrossRealizedLossAmount	2852000	usd
CY2022	fmbm	Available For Sale Securities Net AvailableForSaleSecuritiesNet	-2852000	usd
CY2022	fmbm	Proceeds From Sale Of Securities Amount ProceedsFromSaleOfSecuritiesAmount	40847000	usd
CY2023Q4	fmbm	Available For Sale Securitiesfairvalueofsecuritiesmorethantwelvemonth AvailableForSaleSecuritiesfairvalueofsecuritiesmorethantwelvemonth	355100000	usd
CY2023Q4	fmbm	Aggregate Unrealized Losses Of Securities More Than Twelve Month AggregateUnrealizedLossesOfSecuritiesMoreThanTwelveMonth	40300	usd
CY2022Q4	fmbm	Available For Sale Securitiesfairvalueofsecuritiesmorethantwelvemonth AvailableForSaleSecuritiesfairvalueofsecuritiesmorethantwelvemonth	291800000	usd
CY2022Q4	fmbm	Aggregate Unrealized Losses Of Securities More Than Twelve Month AggregateUnrealizedLossesOfSecuritiesMoreThanTwelveMonth	43800000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	344000	usd
CY2022Q4	fmbm	Collectively Evaluated For Impairment CollectivelyEvaluatedForImpairment	7592000	usd
CY2023Q4	us-gaap	Land Land	4728000	usd
CY2022Q4	us-gaap	Land Land	4115000	usd
CY2022Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	16040000	usd
CY2023Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	13518000	usd
CY2022Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	13483000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	36633000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	33638000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	12998000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	14051000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	19587000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1300000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1100000	usd
CY2022	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	59000	usd
CY2022	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	59000	usd
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	250000	usd
CY2023Q4	us-gaap	Time Deposits TimeDeposits	12500000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	12700000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	3696000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	2013000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	1718000	usd
CY2023Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	usd
CY2023	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	60000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	571000	usd
CY2023	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	200000	usd
CY2022	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-91000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-746000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	480000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	1747000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	1667000	usd
CY2022Q4	fmbm	Deferred Tax Assets Tax Split Dollar Life Insurance DeferredTaxAssetsTaxSplitDollarLifeInsurance	3000	usd
CY2023Q4	fmbm	Deferred Tax Assets Tax Split Dollar Life Insurance DeferredTaxAssetsTaxSplitDollarLifeInsurance	3000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	804000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	580000	usd
CY2023Q4	fmbm	Deferred Tax Assets Tax Low Income Housing Partnerships Losses DeferredTaxAssetsTaxLowIncomeHousingPartnershipsLosses	444000	usd
CY2023Q4	fmbm	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Core Deposit Amortization DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsCoreDepositAmortization	30000	usd
CY2022Q4	fmbm	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Core Deposit Amortization DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsCoreDepositAmortization	29000	usd
CY2023Q4	fmbm	Deferred Asset Lease Liability DeferredAssetLeaseLiability	148000	usd
CY2022Q4	fmbm	Deferred Asset Lease Liability DeferredAssetLeaseLiability	170000	usd
CY2023Q4	fmbm	Prepaid Pension PrepaidPension	44000	usd
CY2023Q4	fmbm	Unvested Restricted Stock UnvestedRestrictedStock	61000	usd
CY2022Q4	fmbm	Unvested Restricted Stock UnvestedRestrictedStock	19000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	8446000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	10753000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	11873000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13641000	usd
CY2023Q4	fmbm	Deferred Tax Liabilities Unearned Low Income Housing Credits DeferredTaxLiabilitiesUnearnedLowIncomeHousingCredits	15000	usd
CY2022Q4	fmbm	Deferred Tax Liabilities Unearned Low Income Housing Credits DeferredTaxLiabilitiesUnearnedLowIncomeHousingCredits	34000	usd
CY2023Q4	fmbm	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	738000	usd
CY2022Q4	fmbm	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	506000	usd
CY2023Q4	fmbm	Unfunded Pension Benefit Obligations UnfundedPensionBenefitObligations	201000	usd
CY2022Q4	fmbm	Unfunded Pension Benefit Obligations UnfundedPensionBenefitObligations	117000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	589000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	583000	usd
CY2022Q4	fmbm	Net Deferred Tax Asset Included In Other Assets On Balance Sheet NetDeferredTaxAssetIncludedInOtherAssetsOnBalanceSheet	12236000	usd
CY2021Q4	fmbm	Benefit Obligation Beginning BenefitObligationBeginning	15557000	usd
CY2023	fmbm	Defined Benefit Plan Service Costs DefinedBenefitPlanServiceCosts	0	usd
CY2022	fmbm	Defined Benefit Plan Service Costs DefinedBenefitPlanServiceCosts	759000	usd
CY2023	fmbm	Defined Benefit Plan Interest Costs DefinedBenefitPlanInterestCosts	370000	usd
CY2022	fmbm	Defined Benefit Plan Interest Costs DefinedBenefitPlanInterestCosts	415000	usd
CY2023	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	56000	usd
CY2022	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-5421000	usd
CY2023	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1194000	usd
CY2022	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1145000	usd
CY2022	us-gaap	Increase Decrease In Postemployment Obligations IncreaseDecreaseInPostemploymentObligations	-2154000	usd
CY2023Q4	fmbm	Benefit Obligation Ending BenefitObligationEnding	7070000	usd
CY2022Q4	fmbm	Benefit Obligation Ending BenefitObligationEnding	8011000	usd
CY2023	fmbm	Fair Value Of Plan Assets Beginning FairValueOfPlanAssetsBeginning	7787000	usd
CY2022	fmbm	Fair Value Of Plan Assets Beginning FairValueOfPlanAssetsBeginning	11235000	usd
CY2023	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	909000	usd
CY2022	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-2303000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	425000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1848000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	288000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	228000	usd
CY2023	fmbm	Lih And Historic Credits LihAndHistoricCredits	-853000	usd
CY2022	fmbm	Lih And Historic Credits LihAndHistoricCredits	-868000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-30000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-272000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-746000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	480000	usd
CY2022	fmbm	Defined Benefit Plan Accrued Prepaid Benefit Cost DefinedBenefitPlanAccruedPrepaidBenefitCost	-780000	usd
CY2022	fmbm	Defined Benefit Plan Unfunded Pension Benefit Obligation DefinedBenefitPlanUnfundedPensionBenefitObligation	556000	usd
CY2023	fmbm	Deferredtaxes Deferredtaxes	-85000	usd
CY2022	fmbm	Deferredtaxes Deferredtaxes	-995000	usd
CY2023	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax1	-959000	usd
CY2022	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax1	-556000	usd
CY2022	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax1	0	usd
CY2023	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax1	0	usd
CY2023	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Net Amount Recognized After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetAmountRecognizedAfterTax1	-959000	usd
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CY2023	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Deferred Taxes DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeDeferredTaxes	201000	usd
CY2022	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Deferred Taxes DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeDeferredTaxes	117000	usd
CY2023	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Loss After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax1	-758000	usd
CY2022	fmbm	Defined Benefit Plan Accumulated Other Comprehensive Income Loss After Tax1 DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossAfterTax1	-439000	usd
CY2023	fmbm	Defined Benefit Plan Benefit Obligation2 DefinedBenefitPlanBenefitObligation2	-7070000	usd
CY2022	fmbm	Defined Benefit Plan Benefit Obligation2 DefinedBenefitPlanBenefitObligation2	-8011000	usd
CY2023	fmbm	Defined Benefit Plan Fair Value Of Plan Assets1 DefinedBenefitPlanFairValueOfPlanAssets1	7502000	usd
CY2022	fmbm	Defined Benefit Plan Fair Value Of Plan Assets1 DefinedBenefitPlanFairValueOfPlanAssets1	7787000	usd
CY2023	fmbm	Defined Benefit Plan Recognized Actuarial Gain Loss DefinedBenefitPlanRecognizedActuarialGainLoss	-959000	usd
CY2022	fmbm	Defined Benefit Plan Recognized Actuarial Gain Loss DefinedBenefitPlanRecognizedActuarialGainLoss	-556000	usd
CY2023	fmbm	Accrued Benefits AccruedBenefits	-527000	usd
CY2022	fmbm	Accrued Benefits AccruedBenefits	-780000	usd
CY2022	fmbm	Amortizationofpriorservicecost Amortizationofpriorservicecost	0	usd
CY2022	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	758000	usd
CY2023	fmbm	Defined Benefit Plan Interest Costs DefinedBenefitPlanInterestCosts	370000	usd
CY2022	fmbm	Defined Benefit Plan Interest Costs DefinedBenefitPlanInterestCosts	415000	usd
CY2023	fmbm	Expected Return On Plan Assets ExpectedReturnOnPlanAssets	520000	usd
CY2022	fmbm	Expected Return On Plan Assets ExpectedReturnOnPlanAssets	781000	usd
CY2023	fmbm	Amortizationofpriorservicecost Amortizationofpriorservicecost	0	usd
CY2023	fmbm	Recognized Net Acutuarial Gainloss RecognizedNetAcutuarialGainloss	0	usd
CY2022	fmbm	Recognized Net Acutuarial Gainloss RecognizedNetAcutuarialGainloss	232000	usd
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	624000	usd
CY2023	fmbm	Netgainloss Netgainloss	-403000	usd
CY2022	fmbm	Netgainloss Netgainloss	-4722000	usd
CY2023	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	0	usd
CY2023	fmbm	Totalrecognizedinothercomprehensiveincome Totalrecognizedinothercomprehensiveincome	-403000	usd
CY2023	fmbm	Totalrecognizedinnetperiodicbenefitcostandother Totalrecognizedinnetperiodicbenefitcostandother	-657000	usd
CY2022	fmbm	Totalrecognizedinnetperiodicbenefitcostandother Totalrecognizedinnetperiodicbenefitcostandother	-4098000	usd
CY2022	fmbm	Defined Benefit Plan Vested Benefit Obligation DefinedBenefitPlanVestedBenefitObligation	8011000	usd
CY2023	fmbm	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate1 DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate1	0.0500	pure
CY2022	fmbm	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate1 DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate1	0.0275	pure
CY2023	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0475	pure
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0500	pure
CY2023	fmbm	Expected Return On Plan Assets Percentage ExpectedReturnOnPlanAssetsPercentage	0.0725	pure
CY2022	fmbm	Expected Return On Plan Assets Percentage ExpectedReturnOnPlanAssetsPercentage	0.0725	pure
CY2023	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0300	pure
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0300	pure
CY2023	fmbm	Defined Benefit Plan Average Remaining Service In Years DefinedBenefitPlanAverageRemainingServiceInYears	P10Y8M15D
CY2022	fmbm	Defined Benefit Plan Average Remaining Service In Years DefinedBenefitPlanAverageRemainingServiceInYears	P10Y10M20D
CY2023Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	0.40	pure
CY2022Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	0.38	pure
CY2022Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	0.62	pure
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	809000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	551000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	957000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	1124000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	619000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	1859000	usd
CY2023Q4	fmbm	Defined Benefit Plan Expected Future Benefit Payments DefinedBenefitPlanExpectedFutureBenefitPayments	5919000	usd
CY2023	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	246000	usd
CY2022	us-gaap	Employee Stock Ownership Plan Esop Cash Contributions To Esop EmployeeStockOwnershipPlanESOPCashContributionsToESOP	496000	usd
CY2023Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	170905000	shares
CY2022Q4	us-gaap	Employee Stock Ownership Plan Esop Shares In Esop EmployeeStockOwnershipPlanESOPSharesInESOP	170905000	shares
CY2023	fmbm	Contributions Under Employee Benefit Plan ContributionsUnderEmployeeBenefitPlan	478000	usd
CY2022	fmbm	Contributions Under Employee Benefit Plan ContributionsUnderEmployeeBenefitPlan	475000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3600000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3400000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	26456	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	29.24
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	24865	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	22.34
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	8283	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	22.34
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	10081	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	26.38
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	32957	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	25.25
CY2022Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2696000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	10154000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	11292000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000740806
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3485570	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	3456237	shares
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	250000	usd
CY2022Q4	us-gaap	Subordinated Long Term Debt SubordinatedLongTermDebt	6900000.0	usd
CY2023	fmbm	Description Of Employee Benefit Plan401 K Plan DescriptionOfEmployeeBenefitPlan401KPlan	The Company sponsors a 401(k) savings plan under which eligible employees may choose to save up to 20 percent of their salary on a pretax basis, subject to certain IRS limits. Under the Federal Safe Harbor rules employees are automatically enrolled at 3% (this increases by 1% per year up to 6%) of their salary unless elected otherwise. The Company matches one hundred percent of the first 1% contributed by the employee and fifty percent from 2% to 6% of employee contributions. Vesting in the contributions made by the Company is 100% after two years of service
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Entity File Number EntityFileNumber	0-13273
CY2023	dei	Entity Registrant Name EntityRegistrantName	F&M BANK CORP.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	VA
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1280811
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	P.O. Box 1111
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Timberville
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22853
CY2023	dei	City Area Code CityAreaCode	540
CY2023	dei	Local Phone Number LocalPhoneNumber	896-8941
CY2023	dei	Security12g Title Security12gTitle	Common Stock - $5 Par value per share
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	true
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	61841018	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	3482529	shares
CY2023	dei	Auditor Name AuditorName	Yount, Hyde & Barbour, P.C
CY2023	dei	Auditor Location AuditorLocation	Roanoke, Virginia
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	19790000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	17926000	usd
CY2023Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	178000	usd
CY2022Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	687000	usd
CY2023Q4	us-gaap	Federal Funds Sold FederalFundsSold	3749000	usd
CY2022Q4	us-gaap	Federal Funds Sold FederalFundsSold	16340000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	23717000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34953000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	112000	usd
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	125000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	368674000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	392095000	usd
CY2023Q4	us-gaap	Other Investments OtherInvestments	10883000	usd
CY2022Q4	us-gaap	Other Investments OtherInvestments	11317000	usd
CY2023Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1119000	usd
CY2022Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1373000	usd
CY2023Q4	fmbm	Loans Held For Investment Net Of Deferred Fees And Costs LoansHeldForInvestmentNetOfDeferredFeesAndCosts	822092000	usd
CY2022Q4	fmbm	Loans Held For Investment Net Of Deferred Fees And Costs LoansHeldForInvestmentNetOfDeferredFeesAndCosts	743604000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	8321000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7936000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	813771000	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	735668000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23635000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19587000	usd
CY2023Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	55000	usd
CY2022Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	0	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	5034000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	3995000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	3082000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	3082000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	22878000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	23554000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	21748000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	20153000	usd
CY2023Q4	us-gaap	Assets Assets	1294596000	usd
CY2022Q4	us-gaap	Assets Assets	1245902000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	264254000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	293596000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	868982000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	789781000	usd
CY2023Q4	us-gaap	Deposits Deposits	1133236000	usd
CY2022Q4	us-gaap	Deposits Deposits	1083377000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	60000000	usd
CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	70000000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6932000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6890000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	16105000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	14843000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	1216273000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	1175110000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3485570	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3456237	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	17263000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	17149000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	11043000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10577000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	81034000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	83078000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-31017000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-40012000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	78323000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	70792000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1294596000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1245902000	usd
CY2023	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	47957000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	34268000	usd
CY2023	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	88000	usd
CY2022	us-gaap	Interest And Fee Income Other Loans Held For Sale InterestAndFeeIncomeOtherLoansHeldForSale	106000	usd
CY2023	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	594000	usd
CY2022	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	190000	usd
CY2023	us-gaap	Interest And Other Income InterestAndOtherIncome	7687000	usd
CY2022	us-gaap	Interest And Other Income InterestAndOtherIncome	7575000	usd
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	56326000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	42139000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	21177000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5735000	usd
CY2023	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	3029000	usd
CY2022	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	760000	usd
CY2023	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	459000	usd
CY2022	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	750000	usd
CY2023	us-gaap	Interest Expense InterestExpense	24665000	usd
CY2022	us-gaap	Interest Expense InterestExpense	7245000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31661000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34894000	usd
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1025000	usd
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	866000	usd
CY2023	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	30636000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	34028000	usd
CY2023	fmbm	Service Charges On Deposits ServiceChargesOnDeposits	1029000	usd
CY2022	fmbm	Service Charges On Deposits ServiceChargesOnDeposits	1062000	usd
CY2023	fmbm	Investment Services And Insurance Income InvestmentServicesAndInsuranceIncome	1732000	usd
CY2022	fmbm	Investment Services And Insurance Income InvestmentServicesAndInsuranceIncome	1472000	usd
CY2023	fmbm	Mortgage Banking Income MortgageBankingIncome	1973000	usd
CY2022	fmbm	Mortgage Banking Income MortgageBankingIncome	3024000	usd
CY2023	fmbm	Title Insurance Income TitleInsuranceIncome	1334000	usd
CY2022	fmbm	Title Insurance Income TitleInsuranceIncome	1578000	usd
CY2023	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1160000	usd
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	701000	usd
CY2023	fmbm	Low Income Housing Partnership Losses LowIncomeHousingPartnershipLosses	-821000	usd
CY2022	fmbm	Low Income Housing Partnership Losses LowIncomeHousingPartnershipLosses	-817000	usd
CY2023	fmbm	Atm And Check Card Fees AtmAndCheckCardFees	2636000	usd
CY2022	fmbm	Atm And Check Card Fees AtmAndCheckCardFees	2462000	usd
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-2852000	usd
CY2023	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	232000	usd
CY2022	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	3785000	usd
CY2023	us-gaap	Other Operating Income OtherOperatingIncome	879000	usd
CY2022	us-gaap	Other Operating Income OtherOperatingIncome	877000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	10154000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	11292000	usd
CY2023	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	18889000	usd
CY2022	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	16967000	usd
CY2023	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	4111000	usd
CY2022	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	4787000	usd
CY2023	us-gaap	Occupancy Net OccupancyNet	1431000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	1402000	usd
CY2023	us-gaap	Equipment Expense EquipmentExpense	1332000	usd
CY2022	us-gaap	Equipment Expense EquipmentExpense	1080000	usd
CY2023	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	789000	usd
CY2022	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	563000	usd
CY2023	fmbm	Other Real Estate Owned Net OtherRealEstateOwnedNet	0	usd
CY2022	fmbm	Other Real Estate Owned Net OtherRealEstateOwnedNet	59000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	962000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	925000	usd
CY2023	us-gaap	Legal Fees LegalFees	1667000	usd
CY2022	us-gaap	Legal Fees LegalFees	1582000	usd
CY2023	fmbm	Atm And Check Card Fee Non Interest Income AtmAndCheckCardFeeNonInterestIncome	1260000	usd
CY2022	fmbm	Atm And Check Card Fee Non Interest Income AtmAndCheckCardFeeNonInterestIncome	1308000	usd
CY2023	fmbm	Telecommunication And Data Processing Expense TelecommunicationAndDataProcessingExpense	2863000	usd
CY2022	fmbm	Telecommunication And Data Processing Expense TelecommunicationAndDataProcessingExpense	3116000	usd
CY2023	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	530000	usd
CY2022	us-gaap	Noninterest Expense Directors Fees NoninterestExpenseDirectorsFees	580000	usd
CY2023	fmbm	Bank Franchise Tax BankFranchiseTax	629000	usd
CY2022	fmbm	Bank Franchise Tax BankFranchiseTax	704000	usd
CY2023	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4302000	usd
CY2022	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	3449000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	38765000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	36522000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2025000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8798000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-746000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	480000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2771000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	8318000	usd
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.41
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.04
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.04
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3476326000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	3449343000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2771000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	8318000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	403000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	4722000	usd
CY2023	fmbm	Tax Effect TaxEffect	85000	usd
CY2022	fmbm	Tax Effect TaxEffect	992000	usd
CY2023	us-gaap	Adjustment For Long Term Intercompany Transactions Net Of Tax AdjustmentForLongTermIntercompanyTransactionsNetOfTax	318000	usd
CY2022	us-gaap	Adjustment For Long Term Intercompany Transactions Net Of Tax AdjustmentForLongTermIntercompanyTransactionsNetOfTax	3730000	usd
CY2023	fmbm	Unrealized Holding Losses On Available For Sale Securities UnrealizedHoldingLossesOnAvailableForSaleSecurities	10984000	usd
CY2022	fmbm	Unrealized Holding Losses On Available For Sale Securities UnrealizedHoldingLossesOnAvailableForSaleSecurities	-51776000	usd
CY2023	fmbm	Tax Effects TaxEffects	2307000	usd
CY2022	fmbm	Tax Effects TaxEffects	10873000	usd
CY2023	fmbm	Unrealized Gain And Loss On Securities UnrealizedGainAndLossOnSecurities	8677000	usd
CY2022	fmbm	Unrealized Gain And Loss On Securities UnrealizedGainAndLossOnSecurities	-40903000	usd
CY2023	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	0	usd
CY2022	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	2852000	usd
CY2023	fmbm	Tax Effect After Adjustment TaxEffectAfterAdjustment	0	usd
CY2022	fmbm	Tax Effect After Adjustment TaxEffectAfterAdjustment	599000	usd
CY2023	fmbm	Available For Sale Securities Gross Realized Gain And Losses Net AvailableForSaleSecuritiesGrossRealizedGainAndLossesNet	0	usd
CY2022	fmbm	Available For Sale Securities Gross Realized Gain And Losses Net AvailableForSaleSecuritiesGrossRealizedGainAndLossesNet	2253000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	8995000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-34920000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	11766000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-26602000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	100456000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	8318000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34920000	usd
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	3590000	usd
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	279000	usd
CY2022	fmbm	Vesting Of Time Based Stock Awards Issued At Date Of Grant Net Of Shares Withheld For Payroll Taxes VestingOfTimeBasedStockAwardsIssuedAtDateOfGrantNetOfSharesWithheldForPayrollTaxes	56000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	193000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	70792000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2771000	usd
CY2023	fmbm	Cumulative Effect Adjustment Due To The Adoption Of Asc326 Net Of Tax CumulativeEffectAdjustmentDueToTheAdoptionOfAsc326NetOfTax	-1203000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	8995000	usd
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	3612000	usd
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	292000	usd
CY2023	fmbm	Vesting Of Time Based Stock Awards Issued At Date Of Grant Net Of Shares Withheld For Payroll Taxes VestingOfTimeBasedStockAwardsIssuedAtDateOfGrantNetOfSharesWithheldForPayrollTaxes	29000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	259000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	78323000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	2771000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	8318000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1317000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	1101000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	31000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	37000	usd
CY2023	fmbm	Amortization Of Securities AmortizationOfSecurities	772000	usd
CY2022	fmbm	Amortization Of Securities AmortizationOfSecurities	903000	usd
CY2023	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	125528000	usd
CY2022	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	147053000	usd
CY2023	fmbm	Gain On Sale Of Loans Held For Sale Originated GainOnSaleOfLoansHeldForSaleOriginated	2530000	usd
CY2022	fmbm	Gain On Sale Of Loans Held For Sale Originated GainOnSaleOfLoansHeldForSaleOriginated	2528000	usd
CY2023	fmbm	Increase Decrease In Loans Held For Sale Originated IncreaseDecreaseInLoansHeldForSaleOriginated	122744000	usd
CY2022	fmbm	Increase Decrease In Loans Held For Sale Originated IncreaseDecreaseInLoansHeldForSaleOriginated	141011000	usd
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1025000	usd
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	866000	usd
CY2023	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-200000	usd
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	91000	usd
CY2023	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1039000	usd
CY2022	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	878000	usd
CY2023	us-gaap	Impairment Of Investments ImpairmentOfInvestments	-3624000	usd
CY2022	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1495000	usd
CY2023	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	798000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	2763000	usd
CY2023	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	0	usd
CY2022	us-gaap	Loss On Sale Of Investments LossOnSaleOfInvestments	2852000	usd
CY2023	fmbm	Gain On Sale Of Limited Partnership Investment GainOnSaleOfLimitedPartnershipInvestment	232000	usd
CY2022	fmbm	Gain On Sale Of Limited Partnership Investment GainOnSaleOfLimitedPartnershipInvestment	3785000	usd
CY2023	fmbm	Amortization Of Limited Partnership Investments AmortizationOfLimitedPartnershipInvestments	821000	usd
CY2022	fmbm	Amortization Of Limited Partnership Investments AmortizationOfLimitedPartnershipInvestments	817000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	42000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	118000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	15000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	10000	usd
CY2023	fmbm	Loss On Sale And Valuation Adjustments Of Other Real Estate Owned LossOnSaleAndValuationAdjustmentsOfOtherRealEstateOwned	0	usd
CY2022	fmbm	Loss On Sale And Valuation Adjustments Of Other Real Estate Owned LossOnSaleAndValuationAdjustmentsOfOtherRealEstateOwned	59000	usd
CY2023	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	55000	usd
CY2022	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	usd
CY2023	fmbm	Proceeds From Income From Life Insurance Investment ProceedsFromIncomeFromLifeInsuranceInvestment	-790000	usd
CY2022	fmbm	Proceeds From Income From Life Insurance Investment ProceedsFromIncomeFromLifeInsuranceInvestment	-701000	usd
CY2023	fmbm	Investment In Limited Partnership Investment InvestmentInLimitedPartnershipInvestment	-370000	usd
CY2022	fmbm	Investment In Limited Partnership Investment InvestmentInLimitedPartnershipInvestment	0	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	259000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	193000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2397000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17571000	usd
CY2023	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	19825000	usd
CY2022	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	4000000	usd
CY2023	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	13934000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	22317000	usd
CY2023	fmbm	Purchases Of Securities Available For Sale And Other Investments PurchasesOfSecuritiesAvailableForSaleAndOtherInvestments	0	usd
CY2022	fmbm	Purchases Of Securities Available For Sale And Other Investments PurchasesOfSecuritiesAvailableForSaleAndOtherInvestments	-40847000	usd
CY2023	fmbm	Change In Unrealized Loss On Securities Available For Sale Net ChangeInUnrealizedLossOnSecuritiesAvailableForSaleNet	0	usd
CY2022	fmbm	Change In Unrealized Loss On Securities Available For Sale Net ChangeInUnrealizedLossOnSecuritiesAvailableForSaleNet	108057000	usd
CY2023	fmbm	Purchases Of Restricted Stock Net PurchasesOfRestrictedStockNet	-137000	usd
CY2022	fmbm	Purchases Of Restricted Stock Net PurchasesOfRestrictedStockNet	-2741000	usd
CY2023	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	232000	usd
CY2022	us-gaap	Proceeds From Limited Partnership Investments ProceedsFromLimitedPartnershipInvestments	3823000	usd
CY2023	fmbm	Repayment Of Investment Limited Partnership Investments RepaymentOfInvestmentLimitedPartnershipInvestments	-250000	usd
CY2022	fmbm	Repayment Of Investment Limited Partnership Investments RepaymentOfInvestmentLimitedPartnershipInvestments	-220000	usd
CY2023	fmbm	Net Increase In Loans Held For Investment NetIncreaseInLoansHeldForInvestment	79962000	usd
CY2022	fmbm	Net Increase In Loans Held For Investment NetIncreaseInLoansHeldForInvestment	82058000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5453000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3642000	usd
CY2023	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	0	usd
CY2022	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	138000	usd
CY2023	fmbm	Proceeds From Life Insurance Benefits ProceedsFromLifeInsuranceBenefits	1739000	usd
CY2022	fmbm	Proceeds From Life Insurance Benefits ProceedsFromLifeInsuranceBenefits	0	usd
CY2023	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	103000	usd
CY2022	us-gaap	Proceeds From Sale Of Oil And Gas Property And Equipment ProceedsFromSaleOfOilAndGasPropertyAndEquipment	27000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-50201000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-125566000	usd
CY2023	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	49859000	usd
CY2022	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	3082000	usd
CY2023	fmbm	Net Change In Short Term Debt NetChangeInShortTermDebt	-10000000	usd
CY2022	fmbm	Net Change In Short Term Debt NetChangeInShortTermDebt	70000000	usd
CY2023	fmbm	Dividends Paid In Cash DividendsPaidInCash	-3612000	usd
CY2022	fmbm	Dividends Paid In Cash DividendsPaidInCash	-3590000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	292000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	279000	usd
CY2023	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	29000	usd
CY2022	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	56000	usd
CY2023	fmbm	Repayment Of Long Term Debt RepaymentOfLongTermDebt	0	usd
CY2022	fmbm	Repayment Of Long Term Debt RepaymentOfLongTermDebt	15000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	36568000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	54827000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-11236000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-53168000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	34953000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	88121000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23717000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	34953000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	23367000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	7441000	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	360000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	32000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	10984000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-48924000	usd
CY2023	fmbm	Adjustment For Long Term Intercompany Transaction Net Of Tax AdjustmentForLongTermIntercompanyTransactionNetOfTax	1524000	usd
CY2022	fmbm	Adjustment For Long Term Intercompany Transaction Net Of Tax AdjustmentForLongTermIntercompanyTransactionNetOfTax	0	usd
CY2023	fmbm	Minimum Pension Liability Adjustment Net MinimumPensionLiabilityAdjustmentNet	318000	usd
CY2022	fmbm	Minimum Pension Liability Adjustment Net MinimumPensionLiabilityAdjustmentNet	3730000	usd
CY2023	fmbm	Transfer Held To Maturity Security From Subsidiary To Bank Available For Sale Portfolio TransferHeldToMaturitySecurityFromSubsidiaryToBankAvailableForSalePortfolio	125000	usd
CY2022	fmbm	Transfer Held To Maturity Security From Subsidiary To Bank Available For Sale Portfolio TransferHeldToMaturitySecurityFromSubsidiaryToBankAvailableForSalePortfolio	0	usd
CY2023	fmbm	Transfer To Others Real Estate TransferToOthersRealEstate	0	usd
CY2022	fmbm	Transfer To Others Real Estate TransferToOthersRealEstate	197000	usd
CY2023Q4	fmbm	Net Of Tax Recorded To Shareholders Equity NetOfTaxRecordedToShareholdersEquity	1200000	usd
CY2023	us-gaap	Allowance For Loan And Lease Losses Period Increase Decrease AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease	777000	usd
CY2023	fmbm	Unfunded Loan Commitments Amount UnfundedLoanCommitmentsAmount	747000	usd
CY2023	fmbm	Net Decrease To Retained Earnings Amount NetDecreaseToRetainedEarningsAmount	1200000	usd
CY2023	fmbm	Debt Securities Available For Sale Accrued Interest DebtSecuritiesAvailableForSaleAccruedInterest	1500000	usd
CY2023	us-gaap	Financing Receivable Accrued Interest Writeoff FinancingReceivableAccruedInterestWriteoff	3600000	usd
CY2023	fmbm	Description Related To Nonaccrual Loans DescriptionRelatedToNonaccrualLoans	loans on nonaccrual status over $250,000 on an individual basis
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"><strong><em>Reclassifications - </em></strong>The accompanying consolidated financial statements and notes reflect certain immaterial reclassifications in prior periods to conform to the current presentation.</p>
CY2023Q4	fmbm	Unfunded Loan Commitmentsreserve UnfundedLoanCommitmentsreserve	1500000	usd
CY2023	fmbm	Available For Sale Securities Gross Realizedgains AvailableForSaleSecuritiesGrossRealizedgains	0	usd
CY2022	fmbm	Available For Sale Securities Gross Realizedgains AvailableForSaleSecuritiesGrossRealizedgains	0	usd
CY2023Q4	fmbm	Available For Sale Of Pledged Securities AvailableForSaleOfPledgedSecurities	220800000	usd
CY2023Q4	fmbm	Pledged Securities Discount Window PledgedSecuritiesDiscountWindow	20000000.0	usd
CY2023Q4	fmbm	Pledged Securities Discount Window Market Value PledgedSecuritiesDiscountWindowMarketValue	19500000	usd
CY2023Q4	fmbm	Loans Held For Sale Fair Value Disclosures LoansHeldForSaleFairValueDisclosures	1100000	usd
CY2022Q4	fmbm	Loans Held For Sale Fair Value Disclosures LoansHeldForSaleFairValueDisclosures	1400000	usd
CY2023Q4	fmbm	Accrued Interest Receivable On Loans Held For Investment AccruedInterestReceivableOnLoansHeldForInvestment	3600000	usd
CY2023Q4	fmbm	Pledged Loans PledgedLoans	289100000	usd
CY2022Q4	fmbm	Pledged Loans PledgedLoans	209800000	usd
CY2023	fmbm	Impairment Description ImpairmentDescription	The Company individually assessed for impairment all substandard loans greater than $500,000 and all troubled debt restructurings
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Fee Cost FinancingReceivableUnamortizedLoanFeeCost	672000	usd
CY2023Q4	fmbm	Deferred Loan Fees Net Of Costs Thirty To Fifty Nine Days Past Due DeferredLoanFeesNetOfCostsThirtyToFiftyNineDaysPastDue	0	usd
CY2022Q4	fmbm	Deferred Loan Fees Net Of Costs Sixty To Enghty Nine Days Past Due DeferredLoanFeesNetOfCostsSixtyToEnghtyNineDaysPastDue	0	usd
CY2023Q4	fmbm	Deferred Loan Fees Net Of Costs Non Accruel Loans DeferredLoanFeesNetOfCostsNonAccruelLoans	0	usd
CY2022Q4	fmbm	Deferred Loan Fees Net Of Costs Thirty To Fifty Nine Days Past Due DeferredLoanFeesNetOfCostsThirtyToFiftyNineDaysPastDue	0	usd
CY2023Q4	fmbm	Deferred Loan Fees Net Of Costs Greater Than Ninety Days DeferredLoanFeesNetOfCostsGreaterThanNinetyDays	0	usd
CY2023Q4	fmbm	Deferred Loan Fees Net Of Costs Sixty To Enghty Nine Days Past Due DeferredLoanFeesNetOfCostsSixtyToEnghtyNineDaysPastDue	0	usd
CY2022Q4	fmbm	Deferred Loan Fees Net Of Costs Greater Than Ninety Days DeferredLoanFeesNetOfCostsGreaterThanNinetyDays	0	usd
CY2022Q4	fmbm	Deferred Loan Fees Net Of Costs Non Accruel Loans DeferredLoanFeesNetOfCostsNonAccruelLoans	0	usd
CY2023Q4	fmbm	Gross Loans Net Of Costs3059 Days Past Due GrossLoansNetOfCosts3059DaysPastDue	5743000	usd
CY2023Q4	fmbm	Gross Loans Net Of Costs6089 Days Past Due GrossLoansNetOfCosts6089DaysPastDue	1927000	usd
CY2023Q4	fmbm	Gross Loans Net Of Costs Greater Than90 Days GrossLoansNetOfCostsGreaterThan90Days	31000	usd
CY2023Q4	fmbm	Less Deferred Loan Fees Net Of Costs Current LessDeferredLoanFeesNetOfCostsCurrent	808625000	usd
CY2023Q4	us-gaap	Net Investment In Lease Nonaccrual NetInvestmentInLeaseNonaccrual	6400000	usd
CY2022Q4	us-gaap	Net Investment In Lease Nonaccrual NetInvestmentInLeaseNonaccrual	2200000	usd
CY2023Q4	fmbm	Long Term Investments Total LongTermInvestmentsTotal	822092000	usd
CY2023Q4	fmbm	Allowance For Credit Losses On Loans Ending Balance AllowanceForCreditLossesOnLoansEndingBalance	8321000	usd
CY2023Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	18387000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	23635000	usd
CY2023	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	usd
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	197000	usd
CY2023	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	0	usd
CY2023	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	0	usd
CY2023Q4	fmbm	Recorded Investments Of Consumer Mortgage Loans RecordedInvestmentsOfConsumerMortgageLoans	613000	usd
CY2023	fmbm	Maturity Of Deposits MaturityOfDeposits	<table cellpadding="0" style="border-spacing:0;text-align:left;font:10pt times new roman;margin-left:auto;margin-right:auto;width:85%"><tbody><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">2024</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">165,760</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">2025</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">41,336</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">2026</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">3,696</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">2027</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">2,013</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">2028 </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">1,718</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">Thereafter</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 1px solid;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="BORDER-BOTTOM: black 1px solid;width:9%;vertical-align:bottom;text-align:right;">-</td><td style="PADDING-BOTTOM: 1px;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px 0px 0px 15px; text-align:justify;">Total</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 3px double;width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="BORDER-BOTTOM: black 3px double;width:9%;vertical-align:bottom;text-align:right;">214,523</td><td style="PADDING-BOTTOM: 3px;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr></tbody></table>
CY2023Q4	fmbm	Time Deposit Maturities Year Next Twelve Months TimeDepositMaturitiesYearNextTwelveMonths	165760000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	41336000	usd
CY2023Q4	fmbm	Maturities Amount Time Deposit MaturitiesAmountTimeDeposit	214523000	usd
CY2023	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	59185000	usd
CY2023	fmbm	Short Term Debt Percentage Bearing Interest Rate ShortTermDebtPercentageBearingInterestRate	0.0510	pure
CY2022	us-gaap	Shortterm Debt Maximum Amount Outstanding During Period ShorttermDebtMaximumAmountOutstandingDuringPeriod	70000000	usd
CY2022	us-gaap	Shortterm Debt Average Outstanding Amount ShorttermDebtAverageOutstandingAmount	26124000	usd
CY2022	fmbm	Short Term Debt Percentage Bearing Interest Rate ShortTermDebtPercentageBearingInterestRate	0.0282	pure
CY2023	fmbm	Commitments Outstanding CommitmentsOutstanding	<table cellpadding="0" style="border-spacing:0;text-align:left;font:10pt times new roman;width:100%"><tbody><tr style="height:15px"><td><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="hdcell" colspan="2" style="BORDER-BOTTOM: #000000 1px solid;width:9%;vertical-align:bottom;text-align:center;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"><strong>2023</strong></p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="hdcell" colspan="2" style="BORDER-BOTTOM: #000000 1px solid;width:9%;vertical-align:bottom;text-align:center;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"><strong>2022</strong></p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Commitments to extend credit</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">253,816</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">265,976</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Standby letters of credit</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">2,911</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">2,696</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr></tbody></table>
CY2023Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	253816000	usd
CY2022Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	265976000	usd
CY2023Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2911000	usd
CY2023Q4	fmbm	Assets At Fair Value AssetsAtFairValue	369874000	usd
CY2023Q4	fmbm	Forward Sales Commitments ForwardSalesCommitments	22000	usd
CY2023Q4	fmbm	Total Fair Value Of Liabilities TotalFairValueOfLiabilities	22000	usd
CY2022Q4	fmbm	Loans Held For Sale LoansHeldForSale	1373000	usd
CY2022Q4	fmbm	Us Treasury Securities USTreasurySecurities	36643000	usd
CY2022Q4	fmbm	Us Government Sponsored Enterprises Two USGovernmentSponsoredEnterprisesTwo	129748000	usd
CY2022Q4	fmbm	Securities Issued By States And Political Subdivisions In The Us SecuritiesIssuedByStatesAndPoliticalSubdivisionsInTheUS	42198000	usd
CY2022	fmbm	Security Loss SecurityLoss	2900000	usd
CY2022	fmbm	Unrealized Gains On Available For Securities Sale UnrealizedGainsOnAvailableForSecuritiesSale	599000	usd
CY2023	fmbm	Description Of Capital Conservation Buffers DescriptionOfCapitalConservationBuffers	Under the Basel III rules, the Company must hold a capital conservation buffer above the adequately capitalized risk-based capital ratios. The capital conservation buffer requirement is 2.50%. The Company’s capital conservation buffer for 2023 was 4.58% and for 2022 was 5.64%
CY2023Q4	fmbm	Loans Held For Sale LoansHeldForSale	1119000	usd
CY2023Q4	fmbm	Us Treasury Securities USTreasurySecurities	32881000	usd
CY2023Q4	fmbm	Us Government Sponsored Enterprises Two USGovernmentSponsoredEnterprisesTwo	124703000	usd
CY2023Q4	fmbm	Securities Issued By States And Political Subdivisions In The Us SecuritiesIssuedByStatesAndPoliticalSubdivisionsInTheUS	38761000	usd
CY2023Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	145073000	usd
CY2023Q4	fmbm	Corporate Debt Securities CorporateDebtSecurities	27256000	usd
CY2023Q4	fmbm	Irlc IRLC	81000	usd
CY2022Q4	us-gaap	Financial Instruments Owned Mortgages Mortgage Backed And Asset Backed Securities At Fair Value FinancialInstrumentsOwnedMortgagesMortgageBackedAndAssetBackedSecuritiesAtFairValue	156875000	usd
CY2022Q4	fmbm	Corporate Debt Securities CorporateDebtSecurities	26631000	usd
CY2022Q4	fmbm	Forward Sales Commitments ForwardSalesCommitments	186000	usd
CY2022Q4	fmbm	Assets At Fair Value AssetsAtFairValue	393654000	usd
CY2022Q4	fmbm	Irlc IRLC	92000	usd
CY2022Q4	fmbm	Total Fair Value Of Liabilities TotalFairValueOfLiabilities	92000	usd
CY2023Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	3060000	usd
CY2023Q4	fmbm	Other Real Estate And Foreclosed Assets Other OtherRealEstateAndForeclosedAssetsOther	55000	usd
CY2022Q4	fmbm	Impairedloans Fair Value Disclosure Non Recurring ImpairedloansFairValueDisclosureNonRecurring	2590000	usd
CY2023Q4	us-gaap	Cash Cash	23717000	usd
CY2023Q4	us-gaap	Marketable Securities MarketableSecurities	368674000	usd
CY2023Q4	fmbm	Loans Heldr Sale LoansHeldrSale	1119000	usd
CY2023Q4	us-gaap	Long Term Investments LongTermInvestments	793440000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	5034000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	22878000	usd
CY2023Q4	fmbm	Irlc IRLC	81000	usd
CY2023Q4	us-gaap	Deposit Assets DepositAssets	1131747000	usd
CY2023Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	60000000	usd
CY2023Q4	us-gaap	Long Term Notes And Loans LongTermNotesAndLoans	6761000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1592000	usd
CY2023Q4	fmbm	Forward Sales Commitments ForwardSalesCommitments	22000	usd
CY2022Q4	us-gaap	Cash Cash	34953000	usd
CY2022Q4	us-gaap	Marketable Securities MarketableSecurities	392220000	usd
CY2022Q4	fmbm	Loans Heldr Sale LoansHeldrSale	1373000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	720806000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3995000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	23554000	usd
CY2022Q4	fmbm	Forward Sales Commitments ForwardSalesCommitments	186000	usd
CY2022Q4	us-gaap	Deposit Assets DepositAssets	1080909000	usd
CY2022Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	70000000	usd
CY2022Q4	us-gaap	Long Term Notes And Loans LongTermNotesAndLoans	6778000	usd
CY2022Q4	fmbm	Irlc IRLC	92000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	295000	usd
CY2022Q4	fmbm	Benefit Obligation Beginning BenefitObligationBeginning	8011000	usd
CY2023	us-gaap	Increase Decrease In Postemployment Obligations IncreaseDecreaseInPostemploymentObligations	0	usd
CY2023	fmbm	Increase Decrease In Settlement Gain IncreaseDecreaseInSettlementGain	-173000	usd
CY2022	fmbm	Increase Decrease In Settlement Gain IncreaseDecreaseInSettlementGain	0	usd
CY2023	fmbm	Defined Benefit Plan Benefits Paid1 DefinedBenefitPlanBenefitsPaid1	-1194000	usd
CY2022	fmbm	Defined Benefit Plan Benefits Paid1 DefinedBenefitPlanBenefitsPaid1	-1145000	usd
CY2023	fmbm	Fair Value Of Plan Assets Ending FairValueOfPlanAssetsEnding	7502000	usd
CY2022	fmbm	Fair Value Of Plan Assets Ending FairValueOfPlanAssetsEnding	7787000	usd
CY2023	fmbm	Defined Benefit Plan Funded Status Of Plan1 DefinedBenefitPlanFundedStatusOfPlan1	432000	usd
CY2022	fmbm	Defined Benefit Plan Funded Status Of Plan1 DefinedBenefitPlanFundedStatusOfPlan1	-224000	usd
CY2023	fmbm	Defined Benefit Plan Accrued Prepaid Benefit Cost DefinedBenefitPlanAccruedPrepaidBenefitCost	-526000	usd
CY2023	fmbm	Defined Benefit Plan Unfunded Pension Benefit Obligation DefinedBenefitPlanUnfundedPensionBenefitObligation	959000	usd
CY2023	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-254000	usd
CY2022	fmbm	Totalrecognizedinothercomprehensiveincome Totalrecognizedinothercomprehensiveincome	-4722000	usd
CY2023	fmbm	Defined Benefit Plan Accumulated Benefit Obligation1 DefinedBenefitPlanAccumulatedBenefitObligation1	7070000	usd
CY2022	fmbm	Defined Benefit Plan Accumulated Benefit Obligation1 DefinedBenefitPlanAccumulatedBenefitObligation1	8011000	usd
CY2023	fmbm	Defined Benefit Plan Vested Benefit Obligation DefinedBenefitPlanVestedBenefitObligation	7070000	usd
CY2023	fmbm	Net Periodic Benefit Cost NetPeriodicBenefitCost	150000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Plan Assets Target Allocation Percentage DefinedBenefitPlanPlanAssetsTargetAllocationPercentage	0.60	pure
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	200000	shares
CY2023Q4	fmbm	Treasury Common Stock Shares TreasuryCommonStockShares	33568000	shares
CY2023Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	597000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-946000	usd
CY2023Q4	fmbm	Allowance For Unfunded Commitments Deferred Tax Assets AllowanceForUnfundedCommitmentsDeferredTaxAssets	146000	usd
CY2022Q4	fmbm	Allowance For Unfunded Commitments Deferred Tax Assets AllowanceForUnfundedCommitmentsDeferredTaxAssets	0	usd
CY2022Q4	fmbm	Deferred Tax Assets Tax Low Income Housing Partnerships Losses DeferredTaxAssetsTaxLowIncomeHousingPartnershipsLosses	375000	usd
CY2022Q4	fmbm	Prepaid Pension PrepaidPension	45000	usd
CY2023Q4	fmbm	Investment In Limited Liability Companies Deferred Tax Liabilities InvestmentInLimitedLiabilityCompaniesDeferredTaxLiabilities	47000	usd
CY2022Q4	fmbm	Investment In Limited Liability Companies Deferred Tax Liabilities InvestmentInLimitedLiabilityCompaniesDeferredTaxLiabilities	0	usd
CY2023Q4	fmbm	Deferred Tax Liability Right Of Use Asset DeferredTaxLiabilityRightOfUseAsset	142000	usd
CY2022Q4	fmbm	Deferred Tax Liability Right Of Use Asset DeferredTaxLiabilityRightOfUseAsset	165000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1732000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1405000	usd
CY2023Q4	fmbm	Net Deferred Tax Asset Included In Other Assets On Balance Sheet NetDeferredTaxAssetIncludedInOtherAssetsOnBalanceSheet	10141000	usd
CY2023	fmbm	Differences In Actual Income Tax Expense And Amounts Computed Using Federal Statutory Tax Rates DifferencesInActualIncomeTaxExpenseAndAmountsComputedUsingFederalStatutoryTaxRates	<table cellpadding="0" style="border-spacing:0;text-align:left;font:10pt times new roman;width:100%"><tbody><tr style="height:15px"><td><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="hdcell" colspan="2" style="BORDER-BOTTOM: #000000 1px solid;width:9%;vertical-align:bottom;text-align:center;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"><strong>2023</strong></p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="hdcell" colspan="2" style="BORDER-BOTTOM: #000000 1px solid;width:9%;vertical-align:bottom;text-align:center;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:center;"><strong>2022</strong></p></td><td style="white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Tax expense at federal statutory rates</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">425</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">1,848</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Increases (decreases) in taxes resulting from:</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;"><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:right;"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px 0px 0px 15px">Tax-exempt income</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">(288</td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">)</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">(228</td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">)</td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px 0px 0px 15px">LIH and historic credits</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">(853</td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">)</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="width:9%;vertical-align:bottom;text-align:right;">(868</td><td style="width:1%;vertical-align:bottom;white-space: nowrap;">)</td></tr><tr style="height:15px;background-color:#cceeff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px 0px 0px 15px">Other</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 1px solid;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="BORDER-BOTTOM: black 1px solid;width:9%;vertical-align:bottom;text-align:right;">(30</td><td style="PADDING-BOTTOM: 1px;width:1%;vertical-align:bottom;white-space: nowrap;">)</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 1px solid;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td class="ffcell" style="BORDER-BOTTOM: black 1px solid;width:9%;vertical-align:bottom;text-align:right;">(272</td><td style="PADDING-BOTTOM: 1px;width:1%;vertical-align:bottom;white-space: nowrap;">)</td></tr><tr style="height:15px;background-color:#ffffff"><td style="vertical-align:top;"><p style="font-size:10pt;font-family:times new roman;margin:0px">Total Income Tax (Benefit) Expense</p></td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 3px double;width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="BORDER-BOTTOM: black 3px double;width:9%;vertical-align:bottom;text-align:right;">(746</td><td style="PADDING-BOTTOM: 3px;width:1%;vertical-align:bottom;white-space: nowrap;">)</td><td style="width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td><td style="BORDER-BOTTOM: black 3px double;width:1%;vertical-align:bottom;white-space: nowrap;">$</td><td class="ffcell" style="BORDER-BOTTOM: black 3px double;width:9%;vertical-align:bottom;text-align:right;">480</td><td style="PADDING-BOTTOM: 3px;width:1%;white-space: nowrap;"><p style="font-size:10pt;font-family:times new roman;margin:0px"> </p></td></tr></tbody></table>
CY2023	dei	Auditor Firm AuditorFirmId	613

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