XML 69 R58.htm IDEA: XBRL DOCUMENT v3.25.3

Note 4 - Loans - Schedule of Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Loans, gross	$ 3,337,780	$ 3,268,346
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	14,108	9,624
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	1,975	3,408
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	35,194	21,218
Financial Asset, Past Due [Member]
Loans, gross	51,277	34,250
Financial Asset, Not Past Due [Member]
Loans, gross	3,286,503	3,234,096
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans, gross	395,270	391,108
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	2,690	95
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	446
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	224	937
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Past Due [Member]
Loans, gross	2,914	1,478
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	392,356	389,630
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member]
Loans, gross	734,081	695,284
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	58	15
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	141	52
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	18,619	8,105
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Financial Asset, Past Due [Member]
Loans, gross	18,818	8,172
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	715,263	687,112
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans, gross	214,063	206,600
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	274	53
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	133	0
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	47	1,760
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Past Due [Member]
Loans, gross	454	1,813
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	213,609	204,787
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member]
Loans, gross	298,160	295,181
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	237	0
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	113
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	8,390	525
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Past Due [Member]
Loans, gross	8,627	638
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	289,533	294,543
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans, gross	352,736	351,533
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,036	941
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	312	324
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	3,122	3,858
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Past Due [Member]
Loans, gross	4,470	5,123
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	348,266	346,410
Commercial Portfolio Segment [Member] | Agricultural [Member]
Loans, gross	55,725	56,429
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	280	284
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	107	26
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	158	360
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Past Due [Member]
Loans, gross	545	670
Commercial Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	55,180	55,759
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, gross	850,911	845,539
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	6,331	6,688
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	862	1,943
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	3,442	4,570
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Financial Asset, Past Due [Member]
Loans, gross	10,635	13,201
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	840,276	832,338
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross	176,829	158,139
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,276	104
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	161	0
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	621	503
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Past Due [Member]
Loans, gross	2,058	607
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	174,771	157,532
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans, gross	8,220	7,993
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	101	0
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	0	1
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	0	0
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Past Due [Member]
Loans, gross	101	1
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	8,119	7,992
Consumer Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans, gross	850,911	845,539
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loans, gross	176,829	158,139
Consumer Portfolio Segment [Member] | Indirect Loans [Member]
Loans, gross	233,377	241,355
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	1,775	1,385
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	228	473
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	536	500
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Financial Asset, Past Due [Member]
Loans, gross	2,539	2,358
Consumer Portfolio Segment [Member] | Indirect Loans [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	230,838	238,997
Consumer Portfolio Segment [Member] | Direct Loans [Member]
Loans, gross	18,408	19,185
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans, gross	50	59
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans, gross	31	30
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, gross	35	100
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Financial Asset, Past Due [Member]
Loans, gross	116	189
Consumer Portfolio Segment [Member] | Direct Loans [Member] | Financial Asset, Not Past Due [Member]
Loans, gross	$ 18,292	$ 18,996

X

- Definition

Amortized cost, before allowance for credit loss, 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 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477011/948-310-45-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A

Reference 6: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 29
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-29

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (1)
-Publisher SEC

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (2)
-Publisher SEC

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1404
-Paragraph a
-Publisher SEC

Reference 10: 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 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-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 14: 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

+ Details

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

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
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: