XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 7 - Revenue from Contracts with Customers - Schedule of Noninterest Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Other (outside the scope of ASC 606) | $ 1,630 | $ 3,242 | $ 5,205 | $ 4,660
Total noninterest income | 11,430 | 12,340 | 34,032 | 30,302
Trust Segment [Member] |  |  |  |
Other (outside the scope of ASC 606) | 0 | 0 | 0 | 0
Total noninterest income | 3,805 | 3,221 | 10,623 | 9,316
Bank Segment [Member] |  |  |  |
Other (outside the scope of ASC 606) | 1,630 | 3,242 | 5,205 | 4,660
Total noninterest income | 7,625 | 9,119 | 23,409 | 20,986
Deposit Account [Member] |  |  |  |
Revenue from contract with customer | 1,874 | 1,992 | 5,381 | 5,421
Deposit Account [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Deposit Account [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | 1,874 | 1,992 | 5,381 | 5,421
Debit Card [Member] |  |  |  |
Revenue from contract with customer | 2,068 | 1,993 | 5,951 | 5,320
Debit Card [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Debit Card [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | 2,068 | 1,993 | 5,951 | 5,320
Fiduciary and Trust [Member] |  |  |  |
Revenue from contract with customer | 2,745 | 2,544 | 7,982 | 7,398
Fiduciary and Trust [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 2,745 | 2,544 | 7,982 | 7,398
Fiduciary and Trust [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Insurance Agency Commissions [Member] |  |  |  |
Revenue from contract with customer | 1,395 | 1,416 | 4,964 | 4,199
Insurance Agency Commissions [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Insurance Agency Commissions [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | 1,395 | 1,416 | 4,964 | 4,199
Retirement Plan Consulting [Member] |  |  |  |
Revenue from contract with customer | 1,060 | 677 | 2,641 | 1,918
Retirement Plan Consulting [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 1,060 | 677 | 2,641 | 1,918
Retirement Plan Consulting [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Investment Commissions [Member] |  |  |  |
Revenue from contract with customer | 658 | 476 | 1,908 | 1,386
Investment Commissions [Member] | Trust Segment [Member] |  |  |  |
Revenue from contract with customer | 0 | 0 | 0 | 0
Investment Commissions [Member] | Bank Segment [Member] |  |  |  |
Revenue from contract with customer | $ 658 | $ 476 | $ 1,908 | $ 1,386

X
- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-21 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_NoninterestIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-4 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-14 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 8: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 9: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding interest income, of revenue not accounted for under Topic 606. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_RevenueNotFromContractWithCustomerExcludingInterestIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fmnb_TrustSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fmnb_BankSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_DepositAccountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_DebitCardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_FiduciaryAndTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fmnb_InsuranceAgencyCommissionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fmnb_RetirementPlanConsultingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fmnb_InvestmentCommissionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |