XML 68 R57.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 4 - Loans - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Loans | $ 3,327,099 | $ 3,258,121
Real Estate [Member] |  |
Loans | 41,400 | 13,713
Business Assets [Member] |  |
Loans | 2,409 | 2,768
Automobiles [Member] |  |
Loans | 131 | 79
Cash Collateral [Member] |  |
Loans | 0 | 66
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] |  |
Loans | 395,449 | 391,302
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] |  |
Loans | 734,472 | 695,699
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Real Estate [Member] |  |
Loans | 29,301 | 8,119
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] |  |
Loans | 214,215 | 206,786
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Real Estate [Member] |  |
Loans | 0 | 1,757
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] |  |
Loans | 298,662 | 295,713
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Real Estate [Member] |  |
Loans | 8,390 | 0
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans | 351,213 | 349,966
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Business Assets [Member] |  |
Loans | 2,409 | 2,591
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural [Member] |  |
Loans | 54,810 | 55,606
Commercial Portfolio Segment [Member] | Agricultural [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural [Member] | Business Assets [Member] |  |
Loans | 0 | 177
Commercial Portfolio Segment [Member] | Agricultural [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] |  |
Loans | 850,112 | 845,081
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Real Estate [Member] |  |
Loans | 3,262 | 3,573
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | Home Equity Loan [Member] |  |
Loans | 176,609 | 158,014
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Real Estate [Member] |  |
Loans | 447 | 264
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Other Loans [Member] |  |
Loans | 8,216 | 7,989
Consumer Portfolio Segment [Member] | Other Loans [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Other Loans [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Other Loans [Member] | Automobiles [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Other Loans [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Indirect Loans [Member] |  |
Loans | 224,995 | 232,822
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Automobiles [Member] |  |
Loans | 126 | 70
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Cash Collateral [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Direct Loans [Member] |  |
Loans | 18,346 | 19,143
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Real Estate [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Business Assets [Member] |  |
Loans | 0 | 0
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Automobiles [Member] |  |
Loans | 5 | 9
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Cash Collateral [Member] |  |
Loans | $ 0 | $ 66

X
- Definition Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=fmnb_BusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_AutomobilesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=fmnb_CashCollateralMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_OwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_OtherLoansMember
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: |

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

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

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

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