XML 79 R65.htm IDEA: XBRL DOCUMENT
v3.23.1

Note 3 - Loans - Loans Acquired in Business Combinations (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Outstanding principal balance | $ 920,523 | $ 825,118
Carrying amount | 913,077 | 819,408
Real Estate 1 [Member] | Construction and Land Development [Member] |  |
Outstanding principal balance | 51,840 | 55,721
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |
Outstanding principal balance | 331,421 | 291,990
Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |
Outstanding principal balance | 418,456 | 364,921
Commercial and Industrial Loans [Member] |  |
Outstanding principal balance | 111,225 | 99,805
Consumer and Other Loans [Member] |  |
Outstanding principal balance | 7,581 | 12,681
Financial Asset Acquired and No Credit Deterioration [Member] |  |
Outstanding principal balance | 187,017 | 216,706
Carrying amount | 184,480 | 213,039
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Construction and Land Development [Member] |  |
Carrying amount | 9,823 | 26,348
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] |  |
Carrying amount | 42,915 | 53,803
Financial Asset Acquired and No Credit Deterioration [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member] |  |
Carrying amount | 103,521 | 90,908
Financial Asset Acquired and No Credit Deterioration [Member] | Commercial and Industrial Loans [Member] |  |
Carrying amount | 24,661 | 36,968
Financial Asset Acquired and No Credit Deterioration [Member] | Consumer and Other Loans [Member] |  |
Carrying amount | $ 3,560 | $ 5,012

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
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_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_FinancingReceivablePortfolioSegmentAxis=fxnc_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fxnc_ConsumerAndOtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |