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

$fmnb Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000156459017003583 Filed on March 07, 2017

Income Statement

Concept	2016 Q4	2015 Q4	2015 Q3
Revenue	$18.47M	$17.48M	$15.59M
YoY Change	5.65%	69.37%	49.76%
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	$920.0K	$1.060M	$750.0K
YoY Change	-13.21%	116.33%	53.06%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$1.178M	$1.023M	$1.056M
YoY Change	15.15%	-5.1%	-6.38%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$7.377M	$4.023M	$2.482M
YoY Change	83.37%	46.61%	-16.26%
Income Tax	$2.014M	$848.0K	$625.0K
% Of Pretax Income	27.3%	21.08%	25.18%
Net Earnings	$5.363M	$3.175M	$1.857M
YoY Change	68.91%	47.88%	-18.41%
Net Earnings / Revenue	29.04%	18.16%	11.91%
Basic Earnings Per Share			$0.07
Diluted Earnings Per Share	$196.5K	$117.3K	$0.07
COMMON SHARES
Basic Shares Outstanding	27.05M		25.71M
Diluted Shares Outstanding			25.72M

Balance Sheet

Concept	2016 Q4	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents
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	$23.23M	$24.19M	$23.30M
YoY Change	-3.99%	41.89%	35.47%
Goodwill	$37.16M	$35.09M
YoY Change	5.91%	527.62%
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	$1.966B	$1.870B	$1.708B
YoY Change	5.15%	64.46%	49.85%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$198.5M	$225.8M	$83.40M
YoY Change	-12.12%	281.89%	15.83%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$78.50M	$225.8M	$83.40M
YoY Change	-65.23%	282.06%	15.83%
LONG-TERM LIABILITIES
Long-Term Debt	$15.00M	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$14.60M	$14.80M	$11.70M
YoY Change	-1.35%	45.1%	-20.41%
Total Long-Term Liabilities	$29.60M	$14.80M	$11.70M
YoY Change	100.0%	45.1%	-20.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$78.50M	$225.8M	$83.40M
Total Long-Term Liabilities	$29.60M	$14.80M	$11.70M
Total Liabilities	$1.753B	$1.672B	$1.522B
YoY Change	4.85%	64.97%	49.43%
SHAREHOLDERS EQUITY
Retained Earnings	$42.55M	$26.32M
YoY Change	61.68%	25.65%
Common Stock	$178.3M	$176.3M
YoY Change	1.15%	66.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$4.857M	$4.689M
YoY Change	3.58%	4.25%
Treasury Stock Shares	$666.1K	$646.2K
Shareholders Equity	$213.2M	$198.0M	$186.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.966B	$1.870B	$1.708B
YoY Change	5.15%	64.46%	49.85%

Cashflow Statement

Concept	2016 Q4	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$5.363M	$3.175M	$1.857M
YoY Change	68.91%	47.88%	-18.41%
Depreciation, Depletion And Amortization	$920.0K	$1.060M	$750.0K
YoY Change	-13.21%	116.33%	53.06%
Cash From Operating Activities	$10.68M	-$1.000M	$4.090M
YoY Change	-1168.0%	-125.45%	73.31%
INVESTING ACTIVITIES
Capital Expenditures	-$280.0K	-$140.0K	-$470.0K
YoY Change	100.0%	75.0%	370.0%
Acquisitions
YoY Change
Other Investing Activities	-$45.23M	-$6.880M	-$39.35M
YoY Change	557.41%	168.75%	1713.36%
Cash From Investing Activities	-$45.51M	-$7.020M	-$39.82M
YoY Change	548.29%	164.91%	1654.19%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	9.240M	29.70M	33.04M
YoY Change	-68.89%	-1481.4%	25315.38%
NET CHANGE
Cash From Operating Activities	10.68M	-1.000M	4.090M
Cash From Investing Activities	-45.51M	-7.020M	-39.82M
Cash From Financing Activities	9.240M	29.70M	33.04M
Net Change In Cash	-25.59M	21.68M	-2.690M
YoY Change	-218.04%	-2591.95%	-1322.73%
FREE CASH FLOW
Cash From Operating Activities	$10.68M	-$1.000M	$4.090M
Capital Expenditures	-$280.0K	-$140.0K	-$470.0K
Free Cash Flow	$10.96M	-$860.0K	$4.560M
YoY Change	-1374.42%	-121.45%	85.37%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2014	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	46000
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	40915000
CY2016	dei	Entity Registrant Name EntityRegistrantName	FARMERS NATIONAL BANC CORP /OH/
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0000709337
CY2016	dei	Trading Symbol TradingSymbol	FMNB
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2016Q2	dei	Entity Public Float EntityPublicFloat	238000000
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	27047664
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	22500000
CY2015Q4	fmnb	Federal Funds Sold And Other FederalFundsSoldAndOther	33514000
CY2015Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	56014000
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	394312000
CY2015Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1769000
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1296865000
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	8978000
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	355000
CY2015Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	167550000
CY2016Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0941
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016Q4	fmnb	Federal Funds Sold And Other FederalFundsSoldAndOther	22100000
CY2016Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	41778000
CY2016Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	369995000
CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	19678000
CY2012	us-gaap	Interest Expense InterestExpense	6212000
CY2015	us-gaap	Interest Expense InterestExpense	4090000
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	68120000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7990000
CY2015	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	424000
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016	dei	Document Type DocumentType	10-K
CY2016	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	1544000
CY2016	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	2843000
CY2016	us-gaap	Professional Fees ProfessionalFees	2757000
CY2014	fmnb	Federal Funds Sold And Other Interest Income FederalFundsSoldAndOtherInterestIncome	19000
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23225000
CY2016Q4	us-gaap	Goodwill Goodwill	37164000
CY2016Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	30048000
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	49737000
CY2016	fmnb	Provision Reversal For Loan Losses Expensed ProvisionReversalForLoanLossesExpensed	3870000
CY2016	fmnb	Retirement Plan Consulting Fees RetirementPlanConsultingFees	1990000
CY2016	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	1210000
CY2014	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1981000
CY2015	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	2275000
CY2014	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1472000
CY2016	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	238000
CY2015	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	0
CY2016Q4	us-gaap	Deposits Deposits	1524756000
CY2016Q4	us-gaap	Assets Assets	1966113000
CY2016Q4	us-gaap	Liabilities Liabilities	1752897000
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	178317000
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	42547000
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2791000
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	366870000
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	198460000
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	15036000
CY2016Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4857000
CY2016Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1427635000
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	213216000
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1966113000
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1416783000
CY2016Q4	us-gaap	Other Liabilities OtherLiabilities	14645000
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27713811
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	10852000
CY2016Q4	us-gaap	Other Assets OtherAssets	38775000
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	35000000
CY2016Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1157886000
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2523000
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	44657000
CY2014	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7282000
CY2014	us-gaap	Dividend Income Operating DividendIncomeOperating	190000
CY2016Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	666147
CY2015	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2951000
CY2014	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	30901000
CY2015	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5903000
CY2015	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	6000000
CY2014	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0
CY2016	fmnb	Maximum Maturity Period Of Short Term Borrowings MaximumMaturityPeriodOfShortTermBorrowings	P90D
CY2016	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	4509000
CY2016	us-gaap	Noninterest Income NoninterestIncome	23244000
CY2015	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	177000
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3489000
CY2015	fmnb	Federal Funds Sold And Other Interest Income FederalFundsSoldAndOtherInterestIncome	29000
CY2014	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	525000
CY2015Q4	us-gaap	Deposits Deposits	1409047000
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	225832000
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	22153000
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	14823000
CY2015Q4	us-gaap	Liabilities Liabilities	1671855000
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	176287000
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	26316000
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	133000
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	4689000
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	198047000
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1869902000
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	35000000
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	646247
CY2016	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	64599000
CY2015	us-gaap	Dividend Income Operating DividendIncomeOperating	287000
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	53827000
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	4008000
CY2016	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	3667000
CY2016	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	68856000
CY2015	fmnb	Provision Reversal For Loan Losses Expensed ProvisionReversalForLoanLossesExpensed	3510000
CY2015Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	497000
CY2016Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	12876000
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	3253000
CY2015	fmnb	Bank Owned Life Insurance Income Including Income From Death Benefits BankOwnedLifeInsuranceIncomeIncludingIncomeFromDeathBenefits	702000
CY2012	fmnb	Bank Owned Life Insurance Income Including Income From Death Benefits BankOwnedLifeInsuranceIncomeIncludingIncomeFromDeathBenefits	526000
CY2015	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6156000
CY2015	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	569000
CY2015	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	94000
CY2014	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1571000
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	46227000
CY2012	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	2043000
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11597000
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	486000
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	116000
CY2015	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-286000
CY2014	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-53000
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7343000
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1967000
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	5376000
CY2015	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	702000
CY2014	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	459000
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	1287887000
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24190000
CY2015Q4	us-gaap	Goodwill Goodwill	35090000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7821000
CY2015Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	29234000
CY2015Q4	us-gaap	Other Assets OtherAssets	33585000
CY2015Q4	us-gaap	Assets Assets	1869902000
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	314650000
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1094397000
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27590531
CY2014	us-gaap	Interest Expense InterestExpense	4579000
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	36336000
CY2014	fmnb	Provision Reversal For Loan Losses Expensed ProvisionReversalForLoanLossesExpensed	1880000
CY2012	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	36173000
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	34456000
CY2014	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	2627000
CY2014	fmnb	Bank Owned Life Insurance Income Including Income From Death Benefits BankOwnedLifeInsuranceIncomeIncludingIncomeFromDeathBenefits	459000
CY2012	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	5497000
CY2014	us-gaap	Fees And Commissions Fiduciary And Trust Activities FeesAndCommissionsFiduciaryAndTrustActivities	6092000
CY2014	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	354000
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	457000
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	31908000
CY2016	us-gaap	Occupancy Net OccupancyNet	6615000
CY2016	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	563000
CY2016	us-gaap	Advertising Expense AdvertisingExpense	1332000
CY2016	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1055000
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1461000
CY2016	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2699000
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2176000
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	9518000
CY2016	us-gaap	Noninterest Expense NoninterestExpense	59452000
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	28042000
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10554000
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7485000
CY2016	us-gaap	Net Income Loss NetIncomeLoss	20557000
CY2016	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.76
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-4270000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	73000
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-4343000
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1520000
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-2823000
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-156000
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5561000
CY2016	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	398000
CY2016Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	242000000
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0
CY2015	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-55000
CY2016	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-101000
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2924000
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	17633000
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	123560000
CY2015	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2751000
CY2016	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	2216000
CY2014	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	0
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	892000
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	7473000
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	24295000
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	59904000
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	11493000
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	52628000
CY2016	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	133248000
CY2016	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	665000
CY2016	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	479000
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	723000
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	788000
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1073000
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-115196000
CY2016	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	115709000
CY2014Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	6452000
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-27372000
CY2016	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-7178000
CY2014	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1959000
CY2015	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-3228000
CY2014	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-1441000
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	4326000
CY2016	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	0
CY2015	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	0
CY2014	us-gaap	Proceeds From Sale Of Treasury Stock ProceedsFromSaleOfTreasuryStock	32000
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	168000
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	213000
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2882000
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	76665000
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	45376000
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-18521000
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-14236000
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	28586000
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-85000
CY2014Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	27428000
CY2013Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	27513000
CY2016	us-gaap	Interest Paid InterestPaid	4316000
CY2015	us-gaap	Interest Paid InterestPaid	4047000
CY2014	us-gaap	Interest Paid InterestPaid	4623000
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	9410000
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	2620000
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	1925000
CY2016	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	482000
CY2015	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	888000
CY2014	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	368000
CY2016	us-gaap	Stock Issued1 StockIssued1	1138000
CY2015	us-gaap	Stock Issued1 StockIssued1	69780000
CY2014	us-gaap	Stock Issued1 StockIssued1	0
CY2016	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	880000
CY2015	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0
CY2014	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0
CY2016	fmnb	Security Purchases Not Settled SecurityPurchasesNotSettled	927000
CY2015	fmnb	Security Purchases Not Settled SecurityPurchasesNotSettled	1338000
CY2014	fmnb	Security Purchases Not Settled SecurityPurchasesNotSettled	0
CY2015	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	12750000
CY2015	fmnb	Business Acquisition Pro Forma Earnings Per Share Basic And Diluted BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted	0.47
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Estimates:<font style="font-weight:normal;font-style:normal;"> 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.</font></p></div>
CY2016	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Concentration of Credit Risk:<font style="font-weight:normal;font-style:normal;"> 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 a 9 county area.  Loans secured by real estate represent 56% of the total portfolio and changes related to the real estate markets are monitor by management.</font></p></div>
CY2016	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Reclassification: <font style="font-weight:normal;font-style:normal;">Some items in the prior year financial statements were reclassified to conform to the current presentation.  Reclassification of the loan portfolios occurred with the breakout of the agricultural loans as a separate line item and prior year reclassification also took place in the deferred tax asset detail, in footnote 16, to align with current period detail.  The reclassifications had no effect on prior year net income or stockholders’ equity.</font></p></div>
CY2016	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div> <p style="margin-bottom:0pt;margin-top:2pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The following table provides a disaggregation of the obligation by class of collateral pledged for short-term financing obtained through the sales of repurchase agreements:</p> <p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p> <div> <table border="0" cellspacing="0" cellpadding="0" align="center" style="border-collapse:collapse; width:100%;"> <tr> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:66.84%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td colspan="2" valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:13.9%; border-bottom:solid 0.75pt #000000;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">2016</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td colspan="2" valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:13.9%; border-bottom:solid 0.75pt #000000;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">2015</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;color:#000000;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:66.84%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Overnight and continuous repurchase agreements</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-top:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-top:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-top:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-top:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:66.84%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:13.7pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">U.S. Treasury and U.S. government sponsored entities</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6,555</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">5,276</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:66.84%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:13.7pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">State and political subdivisions</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">12,304</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,640</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:66.84%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:13.7pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Mortgage-backed securities - residential</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">52,628</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1.66%;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">60,391</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:66.84%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:13.7pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Collateralized mortgage obligations</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-bottom:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-bottom:solid 0.75pt #000000;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">6,623</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%; border-bottom:solid 0.75pt transparent;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:solid 0.75pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-bottom:solid 0.75pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-bottom:solid 0.75pt #000000;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">7,175</p></td> <td valign="bottom" bgcolor="#CFF0FC" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%; border-bottom:solid 0.75pt transparent;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> <tr> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:66.84%; border-bottom:double 2.5pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Total borrowings</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:double 2.5pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">78,110</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%; border-bottom:double 2.5pt transparent;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1.66%; border-bottom:double 2.5pt transparent;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:1%; border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">$</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;padding-Bottom:0pt;width:12.9%; border-top:solid 0.75pt #000000; border-bottom:double 2.5pt #000000;white-space:nowrap;"> <p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">75,482</p></td> <td valign="bottom" bgcolor="#FFFFFF" style="padding-left:0pt;padding-Right:0.75pt;padding-Top:0.75pt;width:1%; border-bottom:double 2.5pt transparent;white-space:nowrap;"> <p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;color:#000000;font-size:1pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </p></td> </tr> </table></div> <p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;"> </p></div>
CY2016	fmnb	Number Of County Economy Consider For Credit Risk Purpose NumberOfCountyEconomyConsiderForCreditRiskPurpose	9
CY2016	fmnb	Percentage Of Portfolio Loans Secured By Real Estate PercentageOfPortfolioLoansSecuredByRealEstate	0.56
CY2016	fmnb	Minimum Amount Of Commercial And Commercial Real Estate Loans On Which Impairment To Be Made MinimumAmountOfCommercialAndCommercialRealEstateLoansOnWhichImpairmentToBeMade	750000
CY2016	fmnb	Percentage Of Tax Benefit Likelihood To Be Realized Upon Examination PercentageOfTaxBenefitLikelihoodToBeRealizedUponExamination	0.50
CY2016	fmnb	Number Of Locations Served By Bank NumberOfLocationsServedByBank	38
CY2016	fmnb	Period Of Federal Fund Purchased And Sold PeriodOfFederalFundPurchasedAndSold	P1D
CY2016	fmnb	Delinquent Period Of Loans After Which Interest Income Is Discontinued DelinquentPeriodOfLoansAfterWhichInterestIncomeIsDiscontinued	P90D
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	16400000
CY2015Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	29400000
CY2016	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3
CY2016Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	2700000
CY2016	fmnb	Business Acquisitions Pro Forma Interest Income Expense Net BusinessAcquisitionsProFormaInterestIncomeExpenseNet	68120000
CY2015	fmnb	Business Acquisitions Pro Forma Interest Income Expense Net BusinessAcquisitionsProFormaInterestIncomeExpenseNet	62524000
CY2016	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	20557000
CY2016	fmnb	Business Acquisition Pro Forma Earnings Per Share Basic And Diluted BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted	0.76
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	374343000
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2263000
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6611000
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	394317000
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3958000
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	3963000
CY2016	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	389000
CY2015	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	908000
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	758000
CY2016	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	316000
CY2015	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	814000
CY2014	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	301000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	26000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	33000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	160000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	7848000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	61419000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	89124000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	5936000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	209848000
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	374175000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	7864000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	61593000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	87418000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	5688000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	207081000
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	369644000
CY2015Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	219000000
CY2014Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	149000000
CY2016	fmnb	Number Of Securities Present More Than Specified Percentage NumberOfSecuritiesPresentMoreThanSpecifiedPercentage	0
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	212479000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4945000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	49393000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1666000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	261872000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	6611000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	121893000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1464000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	86038000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2499000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	207931000
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	3963000
CY2014	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	0
CY2016Q4	fmnb	Number Of Securities NumberOfSecurities	518
CY2016Q4	fmnb	Number Of Securities On Unrealized Loss Position NumberOfSecuritiesOnUnrealizedLossPosition	226
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	323000
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	0
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	76000
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	247000
CY2014Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	0
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Additions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions	361000
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	38000
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2801000
CY2016	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	805000
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7632000
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3204000
CY2015	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1040000
CY2013Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7568000
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	3134000
CY2014	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1318000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	96000
CY2015Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9999000
CY2015Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	10753000
CY2015Q1	us-gaap	Interest Expense InterestExpense	1007000
CY2015Q2	us-gaap	Interest Expense InterestExpense	1004000
CY2015Q3	us-gaap	Interest Expense InterestExpense	1056000
CY2015Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8992000
CY2015Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9749000
CY2015Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	14538000
CY2015Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	450000
CY2015Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	850000
CY2015Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1220000
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	8271000
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4649000
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	2689000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10603000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	153000
CY2016Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	7338000
CY2016Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1048074000
CY2016Q4	fmnb	Financing Receivable Acquired Loans FinancingReceivableAcquiredLoans	370359000
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	497000
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	8450000
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	0
CY2015Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	10082000
CY2015Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	823609000
CY2015Q4	fmnb	Financing Receivable Acquired Loans FinancingReceivableAcquiredLoans	460959000
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	2710000
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	7338000
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	249000
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5196000
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	3374000
CY2016	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	8570000
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	258000
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	140000
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	7205000
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	4014000
CY2015Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	11219000
CY2015Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	6090000
CY2015Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	3992000
CY2015Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	10082000
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5400000
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	5074000
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	10474000
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	335000
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	196000
CY2015	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	531000
CY2014Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	6908000
CY2014Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	13360000
CY2014Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	5720000
CY2014Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	6877000
CY2014Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	12597000
CY2014Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	874000
CY2014	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	6019000
CY2014	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	5814000
CY2014	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11833000
CY2014	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	184000
CY2014	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	223000
CY2014	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	407000
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	6489000
CY2016Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1681000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	9058000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1387000
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	20916000
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	1406719000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	19574000
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	1277291000
CY2016Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	7000000
CY2015Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	9300000
CY2016Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0
CY2015Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0
CY2015Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0921
CY2015Q2	us-gaap	Noninterest Income NoninterestIncome	4409000
CY2015Q3	us-gaap	Noninterest Income NoninterestIncome	4685000
CY2015Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	245000
CY2015Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1912000
CY2015Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2499000
CY2015Q1	us-gaap	Noninterest Expense NoninterestExpense	9506000
CY2015Q2	us-gaap	Noninterest Expense NoninterestExpense	10175000
CY2015Q3	us-gaap	Noninterest Expense NoninterestExpense	13022000
CY2015Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2828000
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1221000
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2482000
CY2015Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	617000
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	409000
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	625000
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	2211000
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	812000
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	1857000
CY2015Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.12
CY2015Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.07
CY2014	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	42000
CY2014Q4	us-gaap	Allowance For Credit Losses Change In Method Of Calculating Impairment AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment	11000
CY2016	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	51
CY2016	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	881000
CY2016	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	882000
CY2016	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	344000
CY2016Q4	us-gaap	Allowance For Credit Losses Change In Method Of Calculating Impairment AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment	43000
CY2015	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	2698000
CY2015	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2698000
CY2015	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	129000
CY2015Q4	us-gaap	Allowance For Credit Losses Change In Method Of Calculating Impairment AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment	101000
CY2014	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	32
CY2014	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1929000
CY2016Q4	fmnb	Commercial Loan And Commercial Real Estate Risk Maximum CommercialLoanAndCommercialRealEstateRiskMaximum	750000
CY2016Q4	us-gaap	Notes Receivable Net NotesReceivableNet	779340000
CY2015Q4	us-gaap	Notes Receivable Net NotesReceivableNet	717206000
CY2016Q4	us-gaap	Escrow Deposit EscrowDeposit	961000
CY2015Q4	us-gaap	Escrow Deposit EscrowDeposit	584000
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	453000
CY2014Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	347000
CY2016	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	611000
CY2015	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	166000
CY2016	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	210000
CY2015	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	60000
CY2016Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	854000
CY2016Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2015Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	0
CY2016	fmnb	Fair Value Assets And Liabilities Level1 And Level2 Transfers Amount FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount	0
CY2015	fmnb	Fair Value Assets And Liabilities Level1 And Level2 Transfers Amount FairValueAssetsAndLiabilitiesLevel1AndLevel2TransfersAmount	0
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	15000
CY2014Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	10000
CY2013Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	10000
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	3000
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	1000
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	0
CY2016	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0
CY2015	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	6000
CY2014	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	12000
CY2016	fmnb	Number Of Properties Charged Down Reflecting Updated Appraisals NumberOfPropertiesChargedDownReflectingUpdatedAppraisals	3
CY2016Q4	fmnb	Other Real Estate Owned Measured At Fair Value Net OtherRealEstateOwnedMeasuredAtFairValueNet	16000
CY2015	fmnb	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	0
CY2016	fmnb	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	36000
CY2016Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	9583000
CY2016Q4	fmnb	Mortgage Servicing Rights Net MortgageServicingRightsNet	854000
CY2016Q4	us-gaap	Interest Receivable InterestReceivable	5504000
CY2016Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	507000
CY2015Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	9384000
CY2015Q4	fmnb	Mortgage Servicing Rights Net MortgageServicingRightsNet	453000
CY2015Q4	us-gaap	Interest Receivable InterestReceivable	5158000
CY2015Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	445000
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	44671000
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	44492000
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21446000
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	20302000
CY2016	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1700000
CY2015	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1500000
CY2014	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1100000
CY2016	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	362000
CY2015	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	332000
CY2014	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	323000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	361000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	339000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	336000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	299000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	283000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1121000
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2739000
CY2014	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	763000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	13742000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5752000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	12112000
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4291000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1459000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1334000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1222000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1119000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1058000
CY2016Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1798000
CY2016Q4	fmnb	Minimum Time Deposits MinimumTimeDeposits	250000
CY2016Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	43300000
CY2015Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	39600000
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	378317000
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	327434000
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	317079000
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Money Market InterestBearingDomesticDepositMoneyMarket	293209000
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	226770000
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Savings InterestBearingDomesticDepositSavings	234672000
CY2016Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	235720000
CY2015Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	239082000
CY2016	fmnb	Maturity Period Of Repurchase Agreement MaturityPeriodOfRepurchaseAgreement	P89D
CY2016	fmnb	Assets Sold Under Agreements To Repurchase Average During Year AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear	84368000
CY2015	fmnb	Assets Sold Under Agreements To Repurchase Average During Year AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear	71779000
CY2014	fmnb	Assets Sold Under Agreements To Repurchase Average During Year AssetsSoldUnderAgreementsToRepurchaseAverageDuringYear	71573000
CY2016	fmnb	Assets Sold Under Agreements To Repurchase Average Interest Rate During Year AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear	0.0007
CY2015	fmnb	Assets Sold Under Agreements To Repurchase Average Interest Rate During Year AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear	0.0007
CY2014	fmnb	Assets Sold Under Agreements To Repurchase Average Interest Rate During Year AssetsSoldUnderAgreementsToRepurchaseAverageInterestRateDuringYear	0.0004
CY2016	fmnb	Assets Sold Under Agreements To Repurchase Maximum Month End During Year AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear	98687000
CY2015	fmnb	Assets Sold Under Agreements To Repurchase Maximum Month End During Year AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear	89574000
CY2014	fmnb	Assets Sold Under Agreements To Repurchase Maximum Month End During Year AssetsSoldUnderAgreementsToRepurchaseMaximumMonthEndDuringYear	78972000
CY2016	fmnb	Assets Sold Under Agreements To Repurchase Weighted Average Year End Interest Rate AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate	0.0008
CY2015	fmnb	Assets Sold Under Agreements To Repurchase Weighted Average Year End Interest Rate AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate	0.0006
CY2014	fmnb	Assets Sold Under Agreements To Repurchase Weighted Average Year End Interest Rate AssetsSoldUnderAgreementsToRepurchaseWeightedAverageYearEndInterestRate	0.0006
CY2016Q4	us-gaap	Assets Sold Under Agreements To Repurchase Carrying Amounts AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts	78110000
CY2015Q4	us-gaap	Assets Sold Under Agreements To Repurchase Carrying Amounts AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts	75482000
CY2014Q4	us-gaap	Assets Sold Under Agreements To Repurchase Carrying Amounts AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts	58786000
CY2016Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.045
CY2015Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.045
CY2015Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	20054000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	276900000
CY2015Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Collateral Pledged1 FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1	237800000
CY2016Q4	fmnb	Additional Federal Home Loan Bank Advances To Be Borrow Under Collateral Pledge AdditionalFederalHomeLoanBankAdvancesToBeBorrowUnderCollateralPledge	144000000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	8158000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	1008000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Two To Three Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate	931000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Three To Four Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate	860000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From Four To Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate	792000
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due After Five Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate	1127000
CY2016Q4	us-gaap	Long Term Investments LongTermInvestments	2100000
CY2016Q4	us-gaap	Long Term Debt Percentage Bearing Variable Interest Rate LongTermDebtPercentageBearingVariableInterestRate	0.027
CY2016	us-gaap	Debt Instrument Frequency Of Periodic Payment DebtInstrumentFrequencyOfPeriodicPayment	The debt has a floating rate that is determined quarterly based on the three-month LIBOR
CY2016Q4	us-gaap	Long Term Notes Payable LongTermNotesPayable	2200000
CY2016	us-gaap	Debt Instrument Maturity Date DebtInstrumentMaturityDate	2036-12-15
CY2016	fmnb	Maximum Commitment Period To Make Loans MaximumCommitmentPeriodToMakeLoans	P30D
CY2016	fmnb	Standby Letters Of Credit Contractual Amount StandbyLettersOfCreditContractualAmount	4300000
CY2015	fmnb	Standby Letters Of Credit Contractual Amount StandbyLettersOfCreditContractualAmount	5600000
CY2016Q4	fmnb	Maximum Subscription Amount Committed In Sbic Investment Funds MaximumSubscriptionAmountCommittedInSBICInvestmentFunds	5000000
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	3400000
CY2016Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2016Q4	fmnb	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2016Q4	fmnb	Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conservation Buffer Ratio CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConservationBufferRatio	0.025
CY2016Q4	fmnb	Capital Conservation Buffer Ratio CapitalConservationBufferRatio	0.00625
CY2016Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets Additional Capital Conservation Buffer Ratio TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsAdditionalCapitalConservationBufferRatio	0.05125
CY2016Q4	fmnb	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Additional Capital Conservation Buffer Ratio TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsAdditionalCapitalConservationBufferRatio	0.06625
CY2016Q4	fmnb	Capital Required For Capital Adequacy To Risk Weighted Assets Additional Capital Conservation Buffer Ratio CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsAdditionalCapitalConservationBufferRatio	0.08625
CY2016Q4	fmnb	Tier One Leverage Capital Required For Capital Adequacy To Average Assets Additional Capital Conservation Buffer Ratio TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsAdditionalCapitalConservationBufferRatio	0.040
CY2016Q4	fmnb	Tier One Common Capital TierOneCommonCapital	180475000
CY2015Q4	fmnb	Tier One Common Capital TierOneCommonCapital	165451000
CY2016Q4	fmnb	Tier One Common Capital Ratio TierOneCommonCapitalRatio	0.1169
CY2015Q4	fmnb	Tier One Common Capital Ratio TierOneCommonCapitalRatio	0.1159
CY2016Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy	69474000
CY2015Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacy	64245000
CY2016Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2015Q4	fmnb	Tier One Risk Based Common Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2016Q4	us-gaap	Capital Capital	193487000
CY2015Q4	us-gaap	Capital Capital	176571000
CY2016Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1253
CY2015Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1237
CY2016Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	123509000
CY2015Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	114214000
CY2016Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.080
CY2015Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.080
CY2016Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	182635000
CY2015Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	167550000
CY2016Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1183
CY2015Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1174
CY2016Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	92632000
CY2015Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	85660000
CY2016Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2015Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2016Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	182635000
CY2014	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P5Y10M24D
CY2016Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	685000
CY2015Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	789000
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1157000
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-547000
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	263000
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	9141000
CY2015Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	6295000
CY2016Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	77596000
CY2015Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	72803000
CY2016Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.040
CY2015Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.040
CY2016Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	70000
CY2015Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Current And Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesCurrentAndNoncurrent	280000
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8642000
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3046000
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2369000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9815000
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3694000
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	4059000
CY2016	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1684000
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1403000
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1179000
CY2016	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	283000
CY2015	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	242000
CY2014	fmnb	Income Tax Reconciliation Bank Owned Life Insurance Income IncomeTaxReconciliationBankOwnedLifeInsuranceIncome	159000
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	367000
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	236000
CY2014	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	149000
CY2016	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	143000
CY2015	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	0
CY2014	fmnb	Income Tax Reconciliation Effect Of Nontaxable Insurance Premiums IncomeTaxReconciliationEffectOfNontaxableInsurancePremiums	0
CY2016	fmnb	Income Tax Rate Reconciliation Nondeductible Acquisition Costs IncomeTaxRateReconciliationNondeductibleAcquisitionCosts	40000
CY2015	fmnb	Income Tax Rate Reconciliation Nondeductible Acquisition Costs IncomeTaxRateReconciliationNondeductibleAcquisitionCosts	401000
CY2014	fmnb	Income Tax Rate Reconciliation Nondeductible Acquisition Costs IncomeTaxRateReconciliationNondeductibleAcquisitionCosts	0
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	107000
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	285000
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	60000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3621000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	2968000
CY2016Q4	fmnb	Deferred Tax Assets Unrealized Loss On Available For Sale Securities DeferredTaxAssetsUnrealizedLossOnAvailableForSaleSecurities	1522000
CY2015Q4	fmnb	Deferred Tax Assets Unrealized Loss On Available For Sale Securities DeferredTaxAssetsUnrealizedLossOnAvailableForSaleSecurities	326000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1922000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1562000
CY2016Q4	fmnb	Deferred Tax Assets Tax Deferred Expense Deferred Loan Fees DeferredTaxAssetsTaxDeferredExpenseDeferredLoanFees	729000
CY2015Q4	fmnb	Deferred Tax Assets Tax Deferred Expense Deferred Loan Fees DeferredTaxAssetsTaxDeferredExpenseDeferredLoanFees	605000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	25000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	172000
CY2016Q4	fmnb	Deferred Tax Assets Nonaccrual Loan Interest Income DeferredTaxAssetsNonaccrualLoanInterestIncome	306000
CY2015Q4	fmnb	Deferred Tax Assets Nonaccrual Loan Interest Income DeferredTaxAssetsNonaccrualLoanInterestIncome	324000
CY2016Q4	fmnb	Deferred Tax Assets Other Than Temporary Impairment DeferredTaxAssetsOtherThanTemporaryImpairment	196000
CY2015Q4	fmnb	Deferred Tax Assets Other Than Temporary Impairment DeferredTaxAssetsOtherThanTemporaryImpairment	196000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	509000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	0
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	205000
CY2015Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	0
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	106000
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	142000
CY2016Q4	fmnb	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	740000
CY2015Q4	fmnb	Deferred Tax Liabilities Depreciation And Amortization DeferredTaxLiabilitiesDepreciationAndAmortization	649000
CY2015Q4	fmnb	Weighted Average Interest Rate Received Interest Rate Swaps WeightedAverageInterestRateReceivedInterestRateSwaps	0.0270
CY2014Q4	fmnb	Weighted Average Interest Rate Received Interest Rate Swaps WeightedAverageInterestRateReceivedInterestRateSwaps	0.0267
CY2016Q4	fmnb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	1093000
CY2016	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P4Y9M18D
CY2015	us-gaap	Derivative Average Remaining Maturity1 DerivativeAverageRemainingMaturity1	P4Y1M6D
CY2015Q4	fmnb	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	1093000
CY2016Q4	fmnb	Deferred Tax Liability Purchase Accounting Adjustment DeferredTaxLiabilityPurchaseAccountingAdjustment	1559000
CY2015Q4	fmnb	Deferred Tax Liability Purchase Accounting Adjustment DeferredTaxLiabilityPurchaseAccountingAdjustment	984000
CY2016Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	299000
CY2015Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	158000
CY2016Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	271000
CY2015Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	49000
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	15000
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	11000
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3977000
CY2015Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2944000
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	5164000
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3351000
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2016	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2015	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2016Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0
CY2015Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0
CY2016	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-4499000
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1494000
CY2016	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-1575000
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2776000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	47000
CY2015	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-1477000
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-491000
CY2015	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-517000
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-912000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	61000
CY2014	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	10089000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3670000
CY2014	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	3531000
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6816000
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	297000
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27180230
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22678338
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18674526
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2016	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	29108
CY2015	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	5232
CY2014	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	890
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27209338
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22683570
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18675416
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2016Q4	fmnb	Weighted Average Pay Rate On Interest Rate Swaps WeightedAveragePayRateOnInterestRateSwaps	0.0434
CY2015Q4	fmnb	Weighted Average Pay Rate On Interest Rate Swaps WeightedAveragePayRateOnInterestRateSwaps	0.0425
CY2014Q4	fmnb	Weighted Average Pay Rate On Interest Rate Swaps WeightedAveragePayRateOnInterestRateSwaps	0.0426
CY2016Q4	fmnb	Weighted Average Interest Rate Received Interest Rate Swaps WeightedAverageInterestRateReceivedInterestRateSwaps	0.0304
CY2015Q4	us-gaap	Interest Expense InterestExpense	1023000
CY2015Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	16458000
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	5020000
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	5363000
CY2016Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.18
CY2016Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	18469000
CY2016Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.19
CY2016Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.20
CY2016Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.20
CY2015Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	15594000
CY2015Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	17481000
CY2014Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	638000
CY2016Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	45154000
CY2015Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	42911000
CY2016	fmnb	Noninterest Expense Excluding Amortization And Depreciation NoninterestExpenseExcludingAmortizationAndDepreciation	56321000
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3131000
CY2015	fmnb	Noninterest Expense Excluding Amortization And Depreciation NoninterestExpenseExcludingAmortizationAndDepreciation	51521000
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2458000
CY2016Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	17747000
CY2016Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	17950000
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	18332000
CY2016Q1	us-gaap	Interest Expense InterestExpense	1000000
CY2016Q2	us-gaap	Interest Expense InterestExpense	1061000
CY2016Q3	us-gaap	Interest Expense InterestExpense	1139000
CY2016Q4	us-gaap	Interest Expense InterestExpense	1178000
CY2016Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	16747000
CY2016Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	16889000
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17193000
CY2016Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17291000
CY2016Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	780000
CY2016Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	990000
CY2016Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1110000
CY2016Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	990000
CY2016Q1	us-gaap	Noninterest Income NoninterestIncome	4946000
CY2016Q2	us-gaap	Noninterest Income NoninterestIncome	5737000
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	6485000
CY2016Q4	us-gaap	Noninterest Income NoninterestIncome	6076000
CY2016Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	289000
CY2016Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	224000
CY2016Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	31000
CY2016Q4	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	19000
CY2016Q1	us-gaap	Noninterest Expense NoninterestExpense	14155000
CY2016Q2	us-gaap	Noninterest Expense NoninterestExpense	14559000
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	15194000
CY2016Q4	us-gaap	Noninterest Expense NoninterestExpense	14981000
CY2016Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6469000
CY2016Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6853000
CY2016Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7377000
CY2016Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1671000
CY2016Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1833000
CY2016Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2014000
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	4798000
CY2015Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	990000
CY2015Q1	us-gaap	Noninterest Income NoninterestIncome	4037000
CY2015Q4	us-gaap	Noninterest Income NoninterestIncome	5175000
CY2015Q4	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1736000
CY2015Q4	us-gaap	Noninterest Expense NoninterestExpense	14884000
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4023000
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	848000
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	3175000
CY2015Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.04
CY2015Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.12

Files In Submission

Name	View Source	Status
0001564590-17-003583-index-headers.html	Edgar Link	pending
0001564590-17-003583-index.html	Edgar Link	pending
0001564590-17-003583.txt	Edgar Link	pending
0001564590-17-003583-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
fmnb-10k_20161231.htm	Edgar Link	pending
fmnb-20161231.xml	Edgar Link	completed
fmnb-20161231.xsd	Edgar Link	pending
fmnb-20161231_cal.xml	Edgar Link	unprocessable
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$FMNB
FARMERS NATIONAL BANC CORP /OH/ Stock $fmnb

2016 Q4 Form 10-K Financial Statement

#000156459017003583 Filed on March 07, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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

2016 Q4 Form 10-K Financial Statement

#000156459017003583 Filed on March 07, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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