XML 65 R57.htm IDEA: XBRL DOCUMENT v3.24.3

Loans (Details 2) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	$ 4,543	$ 5,052
Nonaccrual with an allowance for credit loss	14,442	7,728
Loans Past Due 90 Days or More Still Accruing	91	655
Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss		1,630
Commercial real estate, Non-owner occupied | Commercial real estate - Owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	1,630
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate - Owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	1,576	1,804
Nonaccrual with an allowance for credit loss	852	830
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate - Owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	19
Nonaccrual with an allowance for credit loss	8,105	1,491
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Farmland | Commercial real estate - Owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	1,789	1,957
Nonaccrual with an allowance for credit loss	5	9
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Other | Commercial real estate - Owner occupied
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	0
Nonaccrual with an allowance for credit loss	0	80
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial, Commercial and industrial | Commercial
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	224	394
Nonaccrual with an allowance for credit loss	1,027	1,408
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial, Agricultural | Commercial
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	179	203
Nonaccrual with an allowance for credit loss	237	317
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate -1-4 family
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	526	348
Nonaccrual with an allowance for credit loss	3,489	3,009
Loans Past Due 90 Days or More Still Accruing	91	460
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate -1-4 family
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	96	240
Nonaccrual with an allowance for credit loss	146	210
Loans Past Due 90 Days or More Still Accruing	0	69
Originated Loans | Consumer, Indirect | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	87	22
Nonaccrual with an allowance for credit loss	500	300
Loans Past Due 90 Days or More Still Accruing	0	125
Originated Loans | Consumer, Direct | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	66	65
Nonaccrual with an allowance for credit loss	75	69
Loans Past Due 90 Days or More Still Accruing	0	1
Originated Loans | Consumer, Other | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	0
Nonaccrual with an allowance for credit loss	6	5
Loans Past Due 90 Days or More Still Accruing	$ 0	$ 0

X

- Definition

Nonaccrual loans with no allowance for credit loss.

+ References

No definition available.

+ Details

Name:	fmnb_NonaccrualLoansWithNoAllowanceForCreditLoss
Namespace Prefix:	fmnb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-80

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (2)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 80
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-80

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_CommercialRealEstateNonOwnerOccupiedMember
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_FinancialInstrumentAxis=fmnb_OriginatedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_CommercialRealEstateOwnerOccupiedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_CommercialRealEstateFarmlandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_CommercialRealEstateOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_CommercialCommercialAndIndustrialMember
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_CommercialAgriculturalMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fmnb_ConsumerIndirectMember
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_ConsumerDirectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: