XML 97 R83.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value (Details 3) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Fair value measurements for financial instruments |  |  |
Recorded Investment | $ 5,536 | $ 7,338 | $ 10,082
Fair Value, Measurements, Nonrecurring | Residential Real Estate |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment | 740 | 77 |
Fair Value, Measurements, Nonrecurring | Consumer |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment | 2 | 2 |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment | $ 740 | $ 77 |
Fair Value Measurements Valuation Technique(s) Description | Sales comparison | Sales comparison |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Minimum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | (15.76%) | (12.97%) |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Maximum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | 27.92% | 14.22% |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Residential Real Estate | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | 0.53% | (3.38%) |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment | $ 2 | $ 2 |
Fair Value Measurements Valuation Technique(s) Description | Sales comparison | Sales comparison |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Minimum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | (21.98%) | (20.00%) |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Maximum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | 21.98% | 20.00% |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Consumer | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent | 0.00% | 0.00% |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment |  | $ 23 |
Fair Value Measurements Valuation Technique(s) Description |  | Sales comparison |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Commercial real estate | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | (24.02%) |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment |  | $ 16 |
Fair Value Measurements Valuation Technique(s) Description |  | Sales comparison |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Minimum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | (10.36%) |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Maximum |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | 17.10% |
Fair Value, Measurements, Nonrecurring | Sales Comparison Valuation | Other Real Estate Owned Residential | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | (1.90%) |
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment |  | $ 339 |
Fair Value Measurements Valuation Technique(s) Description |  | Quoted price for loan relationship |
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial real estate | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | 35.77% |
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial |  |  |
Fair value measurements for financial instruments |  |  |
Recorded Investment |  | $ 113 |
Fair Value Measurements Valuation Technique(s) Description |  | Quoted price for loan relationship |
Fair Value, Measurements, Nonrecurring | Quoted price for loan relationship | Commercial | Weighted Average |  |  |
Fair value measurements for financial instruments |  |  |
Adjustment for differences between earning multiplier and comparable sales, Percent |  | 34.98% |

X
- References No definition available. + Details
Name: | us-gaap_FairValueAssumptionsAndMethodologyForAssetsAndLiabilitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of adjustment to the observed price for a similar asset or liability when an identical transaction does not exist, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsComparabilityAdjustments
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=us-gaap_MarketApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fmnb_OtherRealEstateOwnedResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=fmnb_QuotedPriceForLoanRelationshipMarketApproachValuationTechniqueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |