XML 96 R70.htm IDEA: XBRL DOCUMENT v3.25.0.1

Loans (Details 2) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	$ 2,789,000	$ 5,052,000
Nonaccrual with an allowance for credit loss	17,814,000	7,728,000
Loans Past Due 90 Days or More Still Accruing	615,000	655,000
Commercial real estate, Non-Owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	1,520,000	1,630,000
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	1,804,000
Nonaccrual with an allowance for credit loss	937,000	830,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Non-Owner occupied | Commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	19,000
Nonaccrual with an allowance for credit loss	8,105,000	1,491,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Farmland | Commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	1,757,000	1,957,000
Nonaccrual with an allowance for credit loss	3,000	9,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Other | Commercial real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	0
Nonaccrual with an allowance for credit loss	0	80,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial, Commercial and industrial | Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	145,000	394,000
Nonaccrual with an allowance for credit loss	3,713,000	1,408,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial, Agricultural | Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	177,000	203,000
Nonaccrual with an allowance for credit loss	183,000	317,000
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	513,000	348,000
Nonaccrual with an allowance for credit loss	3,967,000	3,009,000
Loans Past Due 90 Days or More Still Accruing	90,000	460,000
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	94,000	240,000
Nonaccrual with an allowance for credit loss	409,000	210,000
Loans Past Due 90 Days or More Still Accruing	0	69,000
Originated Loans | Consumer Indirect | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	37,000	22,000
Nonaccrual with an allowance for credit loss	463,000	300,000
Loans Past Due 90 Days or More Still Accruing	0	125,000
Originated Loans | Consumer, Direct | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	66,000	65,000
Nonaccrual with an allowance for credit loss	34,000	69,000
Loans Past Due 90 Days or More Still Accruing	0	1,000
Originated Loans | Consumer, Other | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual with no allowance for credit loss	0	0
Nonaccrual with an allowance for credit loss	0	5,000
Loans Past Due 90 Days or More Still Accruing	$ 525,000	$ 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: