$FMNB
FARMERS NATIONAL BANC CORP /OH/ Stock $fmnb

$fmnb Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000095017024027780 Filed on March 07, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$55.05M		$213.3M
YoY Change	7.46%		50.14%
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	$1.611M	$1.548M	$7.327M
YoY Change	-15.17%	8.71%	49.56%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$23.37M		$75.55M
YoY Change	59.8%		321.59%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$13.45M	$17.73M	$58.70M
YoY Change	74.41%	9.97%	-19.41%
Income Tax	$2.214M	$3.151M	$8.766M
% Of Pretax Income	16.46%	17.77%	14.93%
Net Earnings	$11.24M	$14.58M	$49.93M
YoY Change	58.87%	9.14%	-17.6%
Net Earnings / Revenue	20.42%		23.41%
Basic Earnings Per Share	$0.30		$1.34
Diluted Earnings Per Share	$0.30	$0.39	$1.33
COMMON SHARES
Basic Shares Outstanding	37.55M	37.49M	37.38M
Diluted Shares Outstanding	37.48M		37.50M

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$148.6M	$103.7M
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	$45.11M	$44.36M	$53.16M
YoY Change	-16.87%	13.25%	35.72%
Goodwill	$167.4M	$167.4M
YoY Change	-0.3%	76.96%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$5.080B	$5.078B	$5.078B
YoY Change	-0.58%	24.4%	24.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$9.300M	$9.000M	$9.000M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$345.0M	$355.0M
YoY Change	69.12%	273.68%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$9.300M	$9.000M	$9.000M
YoY Change		-90.53%	-90.53%
LONG-TERM LIABILITIES
Long-Term Debt	$433.8M	$443.7M	$443.7M
YoY Change	391.12%	142.16%	142.16%
Other Long-Term Liabilities	$51.08M	$52.89M	$52.89M
YoY Change	9.24%	17.72%	17.72%
Total Long-Term Liabilities	$484.9M	$496.5M	$496.5M
YoY Change	258.93%	117.65%	117.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$9.300M	$9.000M	$9.000M
Total Long-Term Liabilities	$484.9M	$496.5M	$496.5M
Total Liabilities	$4.683B	$4.674B	$4.674B
YoY Change	-1.1%	23.33%	23.33%
SHAREHOLDERS EQUITY
Retained Earnings	$241.6M	$236.8M
YoY Change	13.43%	11.48%
Common Stock	$364.8M	$365.3M
YoY Change	0.14%	19.64%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$24.49M	$25.09M
YoY Change	-5.79%	68.07%
Treasury Stock Shares
Shareholders Equity	$397.0M	$404.4M	$404.4M
YoY Change
Total Liabilities & Shareholders Equity	$5.080B	$5.078B	$5.078B
YoY Change	-0.58%	24.4%	24.4%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$11.24M	$14.58M	$49.93M
YoY Change	58.87%	9.14%	-17.6%
Depreciation, Depletion And Amortization	$1.611M	$1.548M	$7.327M
YoY Change	-15.17%	8.71%	49.56%
Cash From Operating Activities	$13.16M	$13.86M	$62.31M
YoY Change	-3.89%	-35.74%	-25.55%
INVESTING ACTIVITIES
Capital Expenditures	$1.553M	$1.903M	$3.880M
YoY Change		154.41%	-29.52%
Acquisitions
YoY Change
Other Investing Activities	$28.96M	-$16.62M	$81.82M
YoY Change	-54.83%	-136.22%	-140.31%
Cash From Investing Activities	$27.41M	-$18.52M	$77.94M
YoY Change	-57.25%	-141.03%	-137.39%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	4.398M	14.40M	-112.1M
YoY Change	-117.34%	-120.25%	-228.11%
NET CHANGE
Cash From Operating Activities	13.16M	13.86M	62.31M
Cash From Investing Activities	27.41M	-18.52M	77.94M
Cash From Financing Activities	4.398M	14.40M	-112.1M
Net Change In Cash	44.97M	9.735M	28.11M
YoY Change	-14.26%	-319.75%	-175.48%
FREE CASH FLOW
Cash From Operating Activities	$13.16M	$13.86M	$62.31M
Capital Expenditures	$1.553M	$1.903M	$3.880M
Free Cash Flow	$11.61M	$11.95M	$58.43M
YoY Change	-15.23%	-42.57%	-25.27%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000709337
CY2020Q4	fmnb	Other Real Estate Owned Measured At Fair Value Net OtherRealEstateOwnedMeasuredAtFairValueNet	0
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2023	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
CY2022	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
CY2021	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationAssetGainLossStatementOfIncomeExtensibleList	http://fasb.org/us-gaap/2023#OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
CY2023	us-gaap	Lessee Operating Lease Option To Terminate LesseeOperatingLeaseOptionToTerminate	April of 2023
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
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CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q1	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Investment Type Extensible Enumeration InvestmentTypeExtensibleEnumeration	http://www.farmersbankgroup.com/20231231#CertificatesOfDepositAndBrokeredTimeDepositsMember
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-35296
CY2023	dei	Entity Registrant Name EntityRegistrantName	Farmers National Banc Corp.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-1371693
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	20 South Broad Street
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Canfield
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	44406
CY2023	dei	City Area Code CityAreaCode	330
CY2023	dei	Local Phone Number LocalPhoneNumber	533-3341
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	Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Entity Shell Company EntityShellCompany	false
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CY2023Q2	dei	Entity Public Float EntityPublicFloat	445500000
CY2023	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
CY2023	dei	Trading Symbol TradingSymbol	FMNB
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	37545864
CY2023	dei	Auditor Name AuditorName	CliftonLarsonAllen LLP
CY2023	dei	Auditor Location AuditorLocation	Maumee, Ohio
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CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1516841000
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CY2022	fmnb	Other Mortgage Banking Income Loss Net OtherMortgageBankingIncomeLossNet	291000
CY2021	fmnb	Other Mortgage Banking Income Loss Net OtherMortgageBankingIncomeLossNet	-136000
CY2023	fmnb	Legal Settlement Income LegalSettlementIncome	0
CY2022	fmnb	Legal Settlement Income LegalSettlementIncome	8375000
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CY2023	us-gaap	Professional Fees ProfessionalFees	4351000
CY2022	us-gaap	Professional Fees ProfessionalFees	6114000
CY2021	us-gaap	Professional Fees ProfessionalFees	4191000
CY2023	fmnb	Merger Related Costs Incomes MergerRelatedCostsIncomes	5475000
CY2022	fmnb	Merger Related Costs Incomes MergerRelatedCostsIncomes	4070000
CY2021	fmnb	Merger Related Costs Incomes MergerRelatedCostsIncomes	7109000
CY2023	us-gaap	Advertising Expense AdvertisingExpense	1793000
CY2022	us-gaap	Advertising Expense AdvertisingExpense	1947000
CY2021	us-gaap	Advertising Expense AdvertisingExpense	1859000
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3434000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1973000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1362000
CY2023	fmnb	Core Processing Charge CoreProcessingCharge	4639000
CY2022	fmnb	Core Processing Charge CoreProcessingCharge	3348000
CY2021	fmnb	Core Processing Charge CoreProcessingCharge	3198000
CY2023	fmnb	Charitable Donation Expense CharitableDonationExpense	0
CY2022	fmnb	Charitable Donation Expense CharitableDonationExpense	6000000
CY2021	fmnb	Charitable Donation Expense CharitableDonationExpense	0
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	13448000
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10616000
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10719000
CY2023	us-gaap	Noninterest Expense NoninterestExpense	111796000
CY2022	us-gaap	Noninterest Expense NoninterestExpense	94411000
CY2021	us-gaap	Noninterest Expense NoninterestExpense	79176000
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	58698000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72835000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	62114000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8766000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12238000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10270000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	49932000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	60597000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	51844000
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.34
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.79
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.78
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.79
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.77
CY2023	us-gaap	Net Income Loss NetIncomeLoss	49932000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	60597000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	51844000
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	48805000
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-278620000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-15333000
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-498000
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-415000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	838000
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	1282000
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	0
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	0
CY2023	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentBeforeTax	48021000
CY2022	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentBeforeTax	-278205000
CY2021	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentBeforeTax	-16171000
CY2023	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentTax	10084000
CY2022	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentTax	-58423000
CY2021	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentTax	-3396000
CY2023	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentNetOfTax	37937000
CY2022	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentNetOfTax	-219782000
CY2021	fmnb	Other Comprehensive Income Loss Available For Sale Securities And Cash Flow Hedge Gain Loss After Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAndCashFlowHedgeGainLossAfterReclassificationAdjustmentNetOfTax	-12775000
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	1000
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3000
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-38000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	37936000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-219785000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12737000
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	87868000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-159188000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39107000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	350097000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	51844000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-12737000
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1193000
CY2021	fmnb	Stock Issued During Period Value Vesting Of Long Term Incentive Plan StockIssuedDuringPeriodValueVestingOfLongTermIncentivePlan	0
CY2021	fmnb	Share Forfeitures For Taxes ShareForfeituresForTaxes	443000
CY2021	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	98921000
CY2021	us-gaap	Stock Issued During Period Value Issued For Services StockIssuedDuringPeriodValueIssuedForServices	258000
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	14085000
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	164000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	472432000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	60597000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-219785000
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1817000
CY2022	fmnb	Stock Issued During Period Value Vesting Of Long Term Incentive Plan StockIssuedDuringPeriodValueVestingOfLongTermIncentivePlan	-457000
CY2022	fmnb	Share Forfeitures For Taxes ShareForfeituresForTaxes	191000
CY2023	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	64647000
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	22118000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	292295000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	49932000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	37936000
CY2023	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	59202000
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	12000
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	3000
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2612000
CY2023	fmnb	Stock Issued During Period Value Vesting Of Long Term Incentive Plan StockIssuedDuringPeriodValueVestingOfLongTermIncentivePlan	3000
CY2023	fmnb	Share Forfeitures For Taxes ShareForfeituresForTaxes	370000
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	11660000
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	25550000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	404415000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	49932000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	60597000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	51844000
CY2023	fmnb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	8718000
CY2022	fmnb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	250000
CY2021	fmnb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	4649000
CY2023	fmnb	Provision For Unfunded Commitments ProvisionForUnfundedCommitments	435000
CY2022	fmnb	Provision For Unfunded Commitments ProvisionForUnfundedCommitments	872000
CY2021	fmnb	Provision For Unfunded Commitments ProvisionForUnfundedCommitments	244000
CY2023	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7327000
CY2022	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	4899000
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	3539000
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	925000
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	4817000
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	3555000
CY2023	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-498000
CY2022	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	-415000
CY2021	us-gaap	Debt Securities Gain Loss DebtSecuritiesGainLoss	838000
CY2023	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	27000
CY2022	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-39000
CY2021	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	166000
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-316000
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	20000
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-247000
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	2612000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	1817000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	1193000
CY2023	fmnb	Bank Owned Life Insurance Income Excluding Death Benefit Insurance Income BankOwnedLifeInsuranceIncomeExcludingDeathBenefitInsuranceIncome	2337000
CY2022	fmnb	Bank Owned Life Insurance Income Excluding Death Benefit Insurance Income BankOwnedLifeInsuranceIncomeExcludingDeathBenefitInsuranceIncome	1626000
CY2021	fmnb	Bank Owned Life Insurance Income Excluding Death Benefit Insurance Income BankOwnedLifeInsuranceIncomeExcludingDeathBenefitInsuranceIncome	1298000
CY2023	fmnb	Income Recognized From Death Benefit On Bank Owned Life Insurance IncomeRecognizedFromDeathBenefitOnBankOwnedLifeInsurance	105000
CY2022	fmnb	Income Recognized From Death Benefit On Bank Owned Life Insurance IncomeRecognizedFromDeathBenefitOnBankOwnedLifeInsurance	184000
CY2021	fmnb	Income Recognized From Death Benefit On Bank Owned Life Insurance IncomeRecognizedFromDeathBenefitOnBankOwnedLifeInsurance	40000
CY2022	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	102150000
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	398011000
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	64910000
CY2021	fmnb	Proceeds From Boli Death Benefit ProceedsFromBoliDeathBenefit	352000
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	105956000
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	406381000
CY2023	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2391000
CY2022	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2062000
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	8285000
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	3860000
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-7119000
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	8081000
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	62306000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	80739000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	54933000
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	58562000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	78265000
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	74376000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	85306000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	37190000
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	35175000
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	650000
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	239240000
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	849941000
CY2023	fmnb	Proceeds From Sale Of Equity Securities ProceedsFromSaleOfEquitySecurities	69000
CY2022	fmnb	Proceeds From Sale Of Equity Securities ProceedsFromSaleOfEquitySecurities	72000
CY2021	fmnb	Proceeds From Sale Of Equity Securities ProceedsFromSaleOfEquitySecurities	258000
CY2023	fmnb	Purchase Of Equity Securities PurchaseOfEquitySecurities	70000
CY2022	fmnb	Purchase Of Equity Securities PurchaseOfEquitySecurities	78000
CY2021	fmnb	Purchase Of Equity Securities PurchaseOfEquitySecurities	68000
CY2023	fmnb	Proceeds From Maturities And Repayments Of Sbic Funds ProceedsFromMaturitiesAndRepaymentsOfSBICFunds	2030000
CY2022	fmnb	Proceeds From Maturities And Repayments Of Sbic Funds ProceedsFromMaturitiesAndRepaymentsOfSBICFunds	2740000
CY2021	fmnb	Proceeds From Maturities And Repayments Of Sbic Funds ProceedsFromMaturitiesAndRepaymentsOfSBICFunds	1261000
CY2023	fmnb	Purchases Of Sbic Funds PurchasesOfSBICFunds	1870000
CY2022	fmnb	Purchases Of Sbic Funds PurchasesOfSBICFunds	3067000
CY2021	fmnb	Purchases Of Sbic Funds PurchasesOfSBICFunds	1116000
CY2023	fmnb	Purchase Of Regulatory Stock PurchaseOfRegulatoryStock	30288000
CY2022	fmnb	Purchase Of Regulatory Stock PurchaseOfRegulatoryStock	5833000
CY2021	fmnb	Purchase Of Regulatory Stock PurchaseOfRegulatoryStock	22000
CY2023	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	36084000
CY2022	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	3142000
CY2021	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	2198000
CY2023	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	61919000
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	77198000
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-231479000
CY2023	fmnb	Proceeds From Loans Held For Sale Previously Classified As Portfolio Loans ProceedsFromLoansHeldForSalePreviouslyClassifiedAsPortfolioLoans	6785000
CY2022	fmnb	Proceeds From Loans Held For Sale Previously Classified As Portfolio Loans ProceedsFromLoansHeldForSalePreviouslyClassifiedAsPortfolioLoans	0
CY2021	fmnb	Proceeds From Loans Held For Sale Previously Classified As Portfolio Loans ProceedsFromLoansHeldForSalePreviouslyClassifiedAsPortfolioLoans	0
CY2023	fmnb	Proceeds From Boli Death Benefit ProceedsFromBoliDeathBenefit	419000
CY2022	fmnb	Proceeds From Boli Death Benefit ProceedsFromBoliDeathBenefit	693000
CY2023	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	533000
CY2022	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1399000
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	37000
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3880000
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2559000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1375000
CY2023	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	13175000
CY2022	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	1033000
CY2021	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	-83773000
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	77936000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-205507000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-423613000
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-260195000
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	14533000
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	241083000
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	185000000
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	95000000
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-6767000
CY2023	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	0
CY2022	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	0
CY2021	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	66980000
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	0
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	0
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	73749000
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	25396000
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	22004000
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	14072000
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	11544000
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	164000
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-112135000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	87529000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	226849000
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	28107000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-37239000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-141831000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	75551000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	112790000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	254621000
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	103658000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	75551000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	112790000
CY2023	us-gaap	Interest Paid Net InterestPaidNet	78520000
CY2022	us-gaap	Interest Paid Net InterestPaidNet	16461000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	8482000
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	6700000
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	10100000
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	12500000
CY2023	us-gaap	Financing Receivable Purchased With Credit Deterioration Amount At Purchase Price FinancingReceivablePurchasedWithCreditDeteriorationAmountAtPurchasePrice	250000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	222564000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1299701000
CY2023	us-gaap	Stock Issued1 StockIssued1	59202000
CY2022	us-gaap	Stock Issued1 StockIssued1	0
CY2021	us-gaap	Stock Issued1 StockIssued1	98921000
CY2023	fmnb	Issuance Of Stock Awards IssuanceOfStockAwards	1913000
CY2022	fmnb	Issuance Of Stock Awards IssuanceOfStockAwards	2184000
CY2021	fmnb	Issuance Of Stock Awards IssuanceOfStockAwards	2136000
CY2023	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	7510000
CY2022	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0
CY2023	fmnb	Lease Liabilities Assumed From Obtaining Right Of Use Assets LeaseLiabilitiesAssumedFromObtainingRightOfUseAssets	1289000
CY2022	fmnb	Lease Liabilities Assumed From Obtaining Right Of Use Assets LeaseLiabilitiesAssumedFromObtainingRightOfUseAssets	1628000
CY2021	fmnb	Lease Liabilities Assumed From Obtaining Right Of Use Assets LeaseLiabilitiesAssumedFromObtainingRightOfUseAssets	0
CY2023	fmnb	Number Of Locations Served By Bank NumberOfLocationsServedByBank	64
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Estimates:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> The preparation of financial statements in conformity with U.S. generally accepted accounting principles 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.</span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;"> </span></p>
CY2023	fmnb	Period Of Federal Fund Purchased And Sold PeriodOfFederalFundPurchasedAndSold	P1D
CY2023	fmnb	Delinquent Period Of Principal Or Interest Payment On Debt Security Become Non Accrual Status DelinquentPeriodOfPrincipalOrInterestPaymentOnDebtSecurityBecomeNonAccrualStatus	P90D
CY2023	fmnb	Delinquent Period Of Loans After Which Interest Income Is Discontinued DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued	P90D
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Concentration of Credit Risk:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> There are no significant concentrations of loans to any one industry or customer. However, most of the Company’s business activity is with customers located within Northeastern Ohio. Therefore, the Company’s exposure to credit risk is significantly affected by changes in the economy of an </span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">eleven</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;"> county area. Loans secured by real estate represent </span><span style="font-size:10pt;font-family:Times New Roman;color:#000000;white-space:pre-wrap;min-width:fit-content;">68.2</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">% of the total portfolio and changes related to the real estate markets are monitored by management.</span></p>
CY2023	fmnb	Number Of County Economy Consider For Credit Risk Purpose NumberOfCountyEconomyConsiderForCreditRiskPurpose	11
CY2023	fmnb	Percentage Of Portfolio Loans Secured By Real Estate PercentageOfPortfolioLoansSecuredByRealEstate	0.682
CY2023Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	5390000
CY2022Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	5280000
CY2023Q4	us-gaap	Other Real Estate OtherRealEstate	92000
CY2022Q4	us-gaap	Other Real Estate OtherRealEstate	0
CY2023Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	20200000
CY2022Q4	us-gaap	Federal Home Loan Bank Stock And Federal Reserve Bank Stock FederalHomeLoanBankStockAndFederalReserveBankStock	18200000
CY2023	fmnb	Percentage Of Tax Benefit Likelihood To Be Realized Upon Examination PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination	0.50
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Reclassification: </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior year net income or stockholders' equity.</span></p>
CY2022	fmnb	Business Acquisitions Pro Forma Interest Income Expense Net BusinessAcquisitionsProFormaInterestIncomeExpenseNet	168692000
CY2022	fmnb	Business Acquisitions Pro Forma Provision For Credit Losses BusinessAcquisitionsProFormaProvisionForCreditLosses	17246000
CY2022	fmnb	Business Acquisitions Pro Forma Non Interest Income BusinessAcquisitionsProFormaNonInterestIncome	47206000
CY2022	fmnb	Business Acquisitions Pro Forma Noninterest Expense BusinessAcquisitionsProFormaNoninterestExpense	137930000
CY2022	fmnb	Business Acquisitions Pro Forma Income Before Income Taxes BusinessAcquisitionsProFormaIncomeBeforeIncomeTaxes	60722000
CY2022	fmnb	Business Acquisitions Pro Forma Income Tax Expense BusinessAcquisitionsProFormaIncomeTaxExpense	10007000
CY2022	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	50715000
CY2022	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.34
CY2022	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.33
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1516841000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5424000
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1534512000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	278000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	266765000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1268025000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	85306000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	37190000
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	35175000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	441000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	6000
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	863000
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	939000
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	421000
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	25000
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-105000
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-87000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	176000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	600000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	592000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	32288000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	30039000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	186137000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	168851000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	589848000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	502917000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	707968000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	597302000
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1516841000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1299701000
CY2023Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	1100000000
CY2022Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	479000000
CY2023	fmnb	Number Of Securities Present More Than Specified Percentage NumberOfSecuritiesPresentMoreThanSpecifiedPercentage	0
CY2022	fmnb	Number Of Securities Present More Than Specified Percentage NumberOfSecuritiesPresentMoreThanSpecifiedPercentage	0
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	49846000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3025000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1116642000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	219539000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1166488000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	222564000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	506824000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	80411000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	728881000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	186354000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1235705000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	266765000
CY2023Q4	fmnb	Number Of Securities NumberOfSecurities	978
CY2023Q4	fmnb	Number Of Securities On Unrealized Loss Position NumberOfSecuritiesOnUnrealizedLossPosition	743
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0
CY2023Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	8757000
CY2022Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	6890000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34440000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26978000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3163687000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2377772000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26978000
CY2023	fmnb	Financing Receivable Allowance For Credit Losses Pcdacl On Loans Acquired FinancingReceivableAllowanceForCreditLossesPCDACLOnLoansAcquired	999000
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	8718000
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2937000
CY2023	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	682000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34440000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	29386000
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	250000
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3304000
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	646000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	26978000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	22144000
CY2021	fmnb	Financing Receivable Allowance For Credit Losses Impact Of Cecl Adoption FinancingReceivableAllowanceForCreditLossesImpactOfCECLAdoption	2160000
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4649000
CY2021	fmnb	Financing Receivable Allowance For Credit Losses Pcdacl On Loans Acquired FinancingReceivableAllowanceForCreditLossesPCDACLOnLoansAcquired	1295000
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1667000
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	805000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	29386000
CY2023Q4	fmnb	Nonaccrual Loans With No Allowance For Credit Loss NonaccrualLoansWithNoAllowanceForCreditLoss	5052000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	7728000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	655000
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	14311000
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	492000
CY2023Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3198127000
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	2404750000
CY2023Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0
CY2023Q4	fmnb	Commercial Loan And Commercial Real Estate Risk Maximum CommercialLoanAndCommercialRealEstateRiskMaximum	1000000
CY2023Q4	us-gaap	Notes Receivable Net NotesReceivableNet	1944220000
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	1568399000
CY2023	fmnb	Unfunded Commitments UnfundedCommitments	753000000
CY2023	fmnb	Anticipated Credit Losses AnticipatedCreditLosses	1840000
CY2022	fmnb	Unfunded Commitments UnfundedCommitments	603000000
CY2022	fmnb	Anticipated Credit Losses AnticipatedCreditLosses	1400000
CY2023	fmnb	Increase In Unfunded Commitments IncreaseInUnfundedCommitments	150000000
CY2023	fmnb	Provision For Anticipated Credit Losses ProvisionForAnticipatedCreditLosses	435000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	34400000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	27000000
CY2023Q4	fmnb	Increase Decrease Loans And Leases Receivable Allowance IncreaseDecreaseLoansAndLeasesReceivableAllowance	7400000
CY2023	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	740700000
CY2023	fmnb	Par Value Of Acquired Loans At Acquisition ParValueOfAcquiredLoansAtAcquisition	797616000
CY2023	fmnb	Net Purchase Discount NetPurchaseDiscount	55958000
CY2023	fmnb	Allowance For Credit Losses Of Pcd Loans AllowanceForCreditLossesOfPCDLoans	999000
CY2023	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	740659000
CY2022	fmnb	Legal Settlement Income LegalSettlementIncome	8400000
CY2023Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	572545000
CY2022Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	532868000
CY2023Q4	us-gaap	Escrow Deposit EscrowDeposit	4800000
CY2022Q4	us-gaap	Escrow Deposit EscrowDeposit	4400000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3331000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3403000
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3198000
CY2023	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	588000
CY2022	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	960000
CY2021	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	1556000
CY2023	fmnb	Servicing Asset Acquired In Merger ServicingAssetAcquiredInMerger	305000
CY2022	fmnb	Servicing Asset Acquired In Merger ServicingAssetAcquiredInMerger	0
CY2021	fmnb	Servicing Asset Acquired In Merger ServicingAssetAcquiredInMerger	0
CY2023	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	735000
CY2022	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1015000
CY2021	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1351000
CY2023	us-gaap	Servicing Asset At Amortized Value Period Increase Decrease ServicingAssetAtAmortizedValuePeriodIncreaseDecrease	3489000
CY2022	us-gaap	Servicing Asset At Amortized Value Period Increase Decrease ServicingAssetAtAmortizedValuePeriodIncreaseDecrease	3348000
CY2021	us-gaap	Servicing Asset At Amortized Value Period Increase Decrease ServicingAssetAtAmortizedValuePeriodIncreaseDecrease	3403000
CY2023Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	37000
CY2022Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	17000
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3452000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3331000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3403000
CY2023Q4	fmnb	Securities Fair Value Less Than Amortized Cost SecuritiesFairValueLessThanAmortizedCost	0
CY2023	fmnb	Fair Value Assets And Liabilities Level1 And Level2 Transfers Amount FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount	0
CY2022	fmnb	Fair Value Assets And Liabilities Level1 And Level2 Transfers Amount FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount	0
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1000
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3000
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4000
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1600000
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0
CY2023	fmnb	Discount Accretion Premium Amortization DiscountAccretionPremiumAmortization	48000
CY2022	fmnb	Discount Accretion Premium Amortization DiscountAccretionPremiumAmortization	0
CY2021	fmnb	Discount Accretion Premium Amortization DiscountAccretionPremiumAmortization	0
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-401000
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-2000
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-1000
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-92000
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	0
CY2023Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1340000
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1000
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3000
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	103658000
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	20197000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3163687000
CY2023Q4	us-gaap	Deposits Deposits	4177386000
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	355000000
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	88663000
CY2022Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	75551000
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	18200000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2377772000
CY2022Q4	us-gaap	Deposits Deposits	3561768000
CY2022Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	95000000
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	88211000
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	74146000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	56317000
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	29782000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	25553000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	44364000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30764000
CY2023	us-gaap	Depreciation Nonproduction DepreciationNonproduction	3400000
CY2022	us-gaap	Depreciation Nonproduction DepreciationNonproduction	2500000
CY2021	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1800000
CY2023	us-gaap	Lessee Operating Lease Description LesseeOperatingLeaseDescription	The Company has operating leases for branch office locations, vehicles and certain office equipment such as printers and copiers. The leases have remaining lease terms of up to 17.6 years, some of which include options to extend the lease for up to 15 years and some of which include options to terminate the lease in June of 2024. The lease on office equipment, which includes leased printers and copiers, expired in December, 2023. A new lease agreement for office equipment was entered into in November of 2023, effective January 2024, with a new supplier. The initial right of use asset and lease liability recorded for this new lease was $557 thousand.
CY2023	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	557000
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	557000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2710000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2596000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2586000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	9272000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	22842000
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8800000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	9000000
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8400000
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8800000
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	1200000
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	985000
CY2023	fmnb	Operating Lease And Financing Lease Average Remaining Lease Term OperatingLeaseAndFinancingLeaseAverageRemainingLeaseTerm	P10Y11M19D
CY2023Q4	fmnb	Lessee Operating Lease And Financing Lease Discount Rate LesseeOperatingLeaseAndFinancingLeaseDiscountRate	0.0299
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	1300000
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1300000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1175000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1092000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	975000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	898000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	917000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5659000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	10716000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1738000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8978000
CY2023Q4	us-gaap	Goodwill Goodwill	167400000
CY2022Q4	us-gaap	Goodwill Goodwill	94600000
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	40908000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	18066000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	21659000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14633000
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3400000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2000000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1400000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2872000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2806000
CY2023Q4	fmnb	Noninterest Bearing Demand NoninterestBearingDemand	1026630000
CY2022Q4	fmnb	Noninterest Bearing Demand NoninterestBearingDemand	896957000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1362609000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1224884000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	593975000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	435369000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	468890000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	441978000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	138051000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	725282000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	424529000
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	4177386000
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	3561768000
CY2023Q4	fmnb	Minimum Time Deposits MinimumTimeDeposits	250000
CY2023Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	258200000
CY2022Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	135700000
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	656154000
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	32302000
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	20007000
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	5569000
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	4302000
CY2023Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	6948000
CY2023Q4	us-gaap	Time Deposits TimeDeposits	725282000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	0
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	0
CY2023Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	1600000000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	1200000000
CY2023Q4	fmnb	Additional Federal Home Loan Bank Advances To Be Borrow Under Collateral Pledge AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge	819500000
CY2023Q4	fmnb	Par Value Of Subordinated Debentures Less The Remaining Deferred Offering Expense ParValueOfSubordinatedDebenturesLessTheRemainingDeferredOfferingExpense	75000000
CY2023Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	14643000
CY2022Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	14316000
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	74020000
CY2022Q4	us-gaap	Subordinated Debt SubordinatedDebt	73895000
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	88663000
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	88211000
CY2023	fmnb	Maximum Commitment Period To Make Loans MaximumCommitmentPeriodToMakeLoans	P30D
CY2023	fmnb	Standby Letters Of Credit Contractual Amount StandbyLettersOfCreditContractualAmount	6800000
CY2022	fmnb	Standby Letters Of Credit Contractual Amount StandbyLettersOfCreditContractualAmount	8800000
CY2023Q4	fmnb	Maximum Subscription Amount Committed In Sbic Investment Funds MaximumSubscriptionAmountCommittedInSBICInvestmentFunds	20200000
CY2023	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	16400000
CY2023Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2023Q4	fmnb	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2023Q4	fmnb	Capital Conservation Buffer Ratio CapitalConservationBufferRatio	0.025
CY2022Q4	fmnb	Capital Conservation Buffer Ratio CapitalConservationBufferRatio	0.025
CY2023Q4	fmnb	Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2023Q4	fmnb	Capital Conservation Buffer Additional Capital Amount Required CapitalConservationBufferAdditionalCapitalAmountRequired	92400000
CY2022Q4	fmnb	Capital Conservation Buffer Additional Capital Amount Required CapitalConservationBufferAdditionalCapitalAmountRequired	73500000
CY2023Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2023Q4	fmnb	Tier One Common Capital TierOneCommonCapital	392244000
CY2023Q4	fmnb	Tier One Common Capital Ratio TierOneCommonCapitalRatio	0.1061
CY2023Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy	166303000
CY2023Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2023Q4	us-gaap	Capital Capital	519684000
CY2023Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1406
CY2023Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	295650000
CY2023Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2023Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	410244000
CY2023Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.111
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	221737000
CY2023Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.06
CY2023Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	410244000
CY2023Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0802
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	204598000
CY2023Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2022Q4	fmnb	Tier One Common Capital TierOneCommonCapital	403307000
CY2022Q4	fmnb	Tier One Common Capital Ratio TierOneCommonCapitalRatio	0.1371
CY2022Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy	132349000
CY2022Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2022Q4	us-gaap	Capital Capital	523285000
CY2022Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1779
CY2022Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	235288000
CY2022Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.08
CY2022Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	421307000
CY2022Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1432
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	176466000
CY2022Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2022Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	421307000
CY2022Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0984
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	171233000
CY2022Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.04
CY2023Q4	us-gaap	Liability For Future Policy Benefits Disability And Accident Benefits LiabilityForFuturePolicyBenefitsDisabilityAndAccidentBenefits	231000
CY2023	us-gaap	Liability For Future Policy Benefit Remeasurement Gain Loss LiabilityForFuturePolicyBenefitRemeasurementGainLoss	7000
CY2022	us-gaap	Liability For Future Policy Benefit Remeasurement Gain Loss LiabilityForFuturePolicyBenefitRemeasurementGainLoss	5000
CY2021	us-gaap	Liability For Future Policy Benefit Remeasurement Gain Loss LiabilityForFuturePolicyBenefitRemeasurementGainLoss	31000
CY2023Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	45599000
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	489000
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	322000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8766000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12238000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10270000
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9230000
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10885000
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10794000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-464000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1353000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-524000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8766000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12238000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10270000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	12327000
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	15295000
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13026000
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2040000
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2591000
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	2274000
CY2023	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	513000
CY2022	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	380000
CY2021	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	273000
CY2023	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-366000
CY2022	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-194000
CY2021	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-200000
CY2023	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	404000
CY2022	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	318000
CY2021	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	322000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	41000
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-63000
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-9000
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-279000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	7235000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	5665000
CY2022Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	55962000
CY2023Q4	fmnb	Deferred Tax Assets Net Unrealized Loss On Swap Derivative DeferredTaxAssetsNetUnrealizedLossOnSwapDerivative	269000
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$FMNB
FARMERS NATIONAL BANC CORP /OH/ Stock $fmnb

2024 Q1 Form 10-K Financial Statement

#000095017024027780 Filed on March 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FMNB FARMERS NATIONAL BANC CORP /OH/ Stock $fmnb

2024 Q1 Form 10-K Financial Statement

#000095017024027780 Filed on March 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FMNB
FARMERS NATIONAL BANC CORP /OH/ Stock $fmnb