XML 74 R64.htm IDEA: XBRL DOCUMENT
v3.19.3

Credit Quality Indicators (Details 1) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable Recorded Investment [Line Items] |  |
Loans | $ 1,784,125 | $ 1,735,840
Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 1,573,706 | 1,485,311
Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 210,419 | 250,529
Residential real estate |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 499,267 | 492,133
Residential real estate | Residential real estate, 1-4 family residential |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 389,675 | 385,806
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 321,277 | 307,022
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 319,869 | 304,519
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 1,408 | 2,503
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 68,398 | 78,784
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 67,400 | 77,661
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 998 | 1,123
Residential real estate | Residential real estate, Home equity lines of credit |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 109,592 | 106,327
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 89,139 | 82,710
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 88,415 | 82,035
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 724 | 675
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 20,453 | 23,617
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 20,201 | 23,400
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 252 | 217
Consumer |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 212,897 | 221,795
Consumer | Consumer, Indirect |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 168,828 | 169,806
Consumer | Consumer, Indirect | Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 168,828 | 169,806
Consumer | Consumer, Indirect | Originated Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 168,141 | 169,091
Consumer | Consumer, Indirect | Originated Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 687 | 715
Consumer | Consumer, Indirect | Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 0 | 0
Consumer | Consumer, Indirect | Acquired Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 0 | 0
Consumer | Consumer, Indirect | Acquired Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 0 | 0
Consumer | Consumer, Direct |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 34,207 | 39,933
Consumer | Consumer, Direct | Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 27,462 | 30,491
Consumer | Consumer, Direct | Originated Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 27,278 | 30,237
Consumer | Consumer, Direct | Originated Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 184 | 254
Consumer | Consumer, Direct | Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 6,745 | 9,442
Consumer | Consumer, Direct | Acquired Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 6,562 | 9,304
Consumer | Consumer, Direct | Acquired Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 183 | 138
Consumer | Consumer, Other |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 9,862 | 12,056
Consumer | Consumer, Other | Originated Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 9,761 | 11,894
Consumer | Consumer, Other | Originated Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 9,758 | 11,892
Consumer | Consumer, Other | Originated Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 3 | 2
Consumer | Consumer, Other | Acquired Loans |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 101 | 162
Consumer | Consumer, Other | Acquired Loans | Performing Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | 101 | 162
Consumer | Consumer, Other | Acquired Loans | Nonperforming Financing Receivable |  |
Financing Receivable Recorded Investment [Line Items] |  |
Loans | $ 0 | $ 0

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=fmnb_OriginatedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=fmnb_AcquiredLoansMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ResidentialRealEstateOneToFourFamilyResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ResidentialRealEstateHomeEquityMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ConsumerIndirectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ConsumerDirectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ConsumerOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |