XML 63 R50.htm IDEA: XBRL DOCUMENT
v3.23.3

Note 4 - Allowance for Credit Losses- Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | --- | ---
Loans | $ 952,499 | $ 920,523 | $ 906,514
Real Estate 1 [Member] | Real Estate [Member] |  |  |
Loans | 652 |  |
Real Estate 1 [Member] | Non Real Estate [Member] |  |  |
Loans | 2,464 |  |
Real Estate 1 [Member] | Collateral Pledged [Member] |  |  |
Loans | 3,116 |  |
Real Estate 1 [Member] | Construction and Land Development [Member] |  |  |
Loans | 50,405 | 51,840 | 51,352
Real Estate 1 [Member] | Construction and Land Development [Member] | Real Estate [Member] |  |  |
Loans | 39 |  |
Real Estate 1 [Member] | Construction and Land Development [Member] | Non Real Estate [Member] |  |  |
Loans | 0 |  |
Real Estate 1 [Member] | Construction and Land Development [Member] | Collateral Pledged [Member] |  |  |
Loans | 39 |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |  |
Loans | 340,773 | 331,421 | 317,414
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Real Estate [Member] |  |  |
Loans | 546 |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Non Real Estate [Member] |  |  |
Loans | 0 |  |
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Collateral Pledged [Member] |  |  |
Loans | 546 |  |
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |  |
Loans | 433,177 | $ 418,456 | $ 417,504
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Real Estate [Member] |  |  |
Loans | 67 |  |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Non Real Estate [Member] |  |  |
Loans | 0 |  |
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Collateral Pledged [Member] |  |  |
Loans | 67 |  |
Real Estate 1 [Member] | Commercial and Industrial Loans [Member] | Real Estate [Member] |  |  |
Loans | 0 |  |
Real Estate 1 [Member] | Commercial and Industrial Loans [Member] | Non Real Estate [Member] |  |  |
Loans | 2,464 |  |
Real Estate 1 [Member] | Commercial and Industrial Loans [Member] | Collateral Pledged [Member] |  |  |
Loans | $ 2,464 |  |

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/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 2: 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 3: 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 4: 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 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph (a) -Publisher SEC Reference 8: 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 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7A -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A Reference 10: 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_FinancingReceivablePortfolioSegmentAxis=fxnc_RealEstate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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