$FXNC
FIRST NATIONAL CORP /VA/ Stock $fxnc

$fxnc Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000143774920023190 Filed on November 09, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2019 Q3
Revenue		$8.343M	$8.354M
YoY Change		-0.13%	4.67%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$350.0K	$380.0K	$400.0K
YoY Change	-12.5%	-5.0%	-9.09%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$769.0K	$1.283M
YoY Change		-40.06%	42.87%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$3.920M	$2.140M	$3.076M
YoY Change	16.67%	-30.43%	-7.1%
Income Tax	$760.0K	$386.0K	$583.0K
% Of Pretax Income	19.39%	18.04%	18.95%
Net Earnings	$3.160M	$1.754M	$2.493M
YoY Change	16.18%	-29.64%	-6.84%
Net Earnings / Revenue		21.02%	29.84%
Basic Earnings Per Share		$0.36	$0.50
Diluted Earnings Per Share	$650.2K	$0.36	$0.50
COMMON SHARES
Basic Shares Outstanding	4.858M	4.854M	4.967M
Diluted Shares Outstanding		4.855M	4.969M

Balance Sheet

Concept	2020 Q4	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$127.3M	$122.2M	$30.37M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$19.32M	$19.55M	$19.95M
YoY Change	-2.17%	-2.0%	1.99%
Goodwill	$0.00
YoY Change
Intangibles	$19.00K	$43.00K	$231.0K
YoY Change	-88.82%	-81.39%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$950.9M	$942.7M	$777.2M
YoY Change	18.86%	21.3%	4.12%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$4.300M	$2.800M	$1.700M
YoY Change	138.89%	64.71%	13.33%
Accrued Expenses			$300.0K
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$4.300M	$2.800M	$2.000M
YoY Change	104.76%	40.0%	33.33%
LONG-TERM LIABILITIES
Long-Term Debt	$19.30M	$19.30M	$14.30M
YoY Change	34.97%	34.97%	0.7%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$19.30M	$19.30M	$14.30M
YoY Change	34.97%	34.97%	0.7%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.300M	$2.800M	$2.000M
Total Long-Term Liabilities	$19.30M	$19.30M	$14.30M
Total Liabilities	$866.0M	$860.5M	$701.9M
YoY Change	19.81%	22.6%	2.79%
SHAREHOLDERS EQUITY
Retained Earnings	$69.29M	$66.67M	$60.31M
YoY Change	10.72%	10.54%	14.36%
Common Stock	$6.075M	$6.073M	$6.210M
YoY Change	-2.21%	-2.21%	0.23%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$84.92M	$82.26M	$75.32M
YoY Change
Total Liabilities & Shareholders Equity	$950.9M	$942.7M	$777.2M
YoY Change	18.86%	21.3%	4.12%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	$3.160M	$1.754M	$2.493M
YoY Change	16.18%	-29.64%	-6.84%
Depreciation, Depletion And Amortization	$350.0K	$380.0K	$400.0K
YoY Change	-12.5%	-5.0%	-9.09%
Cash From Operating Activities	$6.010M	$4.970M	$2.660M
YoY Change	21.17%	86.84%	-40.89%
INVESTING ACTIVITIES
Capital Expenditures	-$120.0K	-$90.00K	-$90.00K
YoY Change	-20.0%	0.0%	-66.67%
Acquisitions
YoY Change
Other Investing Activities	-$4.380M	$10.17M	$9.370M
YoY Change	-55.35%	8.54%	-311.51%
Cash From Investing Activities	-$4.500M	$10.08M	$9.280M
YoY Change	-54.82%	8.62%	-297.45%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.570M	-1.110M	-4.630M
YoY Change	-82.52%	-76.03%	-76.41%
NET CHANGE
Cash From Operating Activities	6.010M	4.970M	2.660M
Cash From Investing Activities	-4.500M	10.08M	9.280M
Cash From Financing Activities	3.570M	-1.110M	-4.630M
Net Change In Cash	5.080M	13.94M	7.310M
YoY Change	-67.06%	90.7%	-136.86%
FREE CASH FLOW
Cash From Operating Activities	$6.010M	$4.970M	$2.660M
Capital Expenditures	-$120.0K	-$90.00K	-$90.00K
Free Cash Flow	$6.130M	$5.060M	$2.750M
YoY Change	19.96%	84.0%	-42.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7777000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4934000	USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4969716
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	8000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	99000	USD
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CY2020Q3	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesTax	0	USD
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CY2020Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	0	USD
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	fxnc	Defined Contribution Plan Minimum Age For Eligibility DefinedContributionPlanMinimumAgeForEligibility	P19Y
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	us-gaap	Interest Expense Junior Subordinated Debentures InterestExpenseJuniorSubordinatedDebentures	322000	USD
CY2020Q3	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	0	USD
CY2019Q3	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	0	USD
	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	0	USD
	us-gaap	Interest Expense Other Long Term Debt InterestExpenseOtherLongTermDebt	2000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	769000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	1283000	USD
	us-gaap	Interest Expense InterestExpense	2745000	USD
	us-gaap	Interest Expense InterestExpense	3656000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7574000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	7071000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	22011000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	20935000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1500000	USD
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	3200000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	200000	USD
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	6074000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	7071000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	18811000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	20735000	USD
CY2020Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	131000	USD
CY2019Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	131000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	345000	USD
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	333000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	38000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	0	USD
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	38000	USD
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	0	USD
CY2020Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	3000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	34000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	60000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	81000	USD
CY2020Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	18000	USD
CY2019Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	29000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	40000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	71000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	2201000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	2191000	USD
	us-gaap	Noninterest Income NoninterestIncome	6073000	USD
	us-gaap	Noninterest Income NoninterestIncome	6211000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	3498000	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	3556000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	10109000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	10374000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	433000	USD
CY2019Q3	us-gaap	Occupancy Net OccupancyNet	398000	USD
	us-gaap	Occupancy Net OccupancyNet	1244000	USD
	us-gaap	Occupancy Net OccupancyNet	1237000	USD
CY2020Q3	us-gaap	Equipment Expense EquipmentExpense	439000	USD
CY2019Q3	us-gaap	Equipment Expense EquipmentExpense	410000	USD
	us-gaap	Equipment Expense EquipmentExpense	1267000	USD
	us-gaap	Equipment Expense EquipmentExpense	1239000	USD
CY2020Q3	us-gaap	Marketing Expense MarketingExpense	63000	USD
CY2019Q3	us-gaap	Marketing Expense MarketingExpense	143000	USD
	us-gaap	Marketing Expense MarketingExpense	243000	USD
	us-gaap	Marketing Expense MarketingExpense	523000	USD
CY2020Q3	us-gaap	Supplies Expense SuppliesExpense	112000	USD
CY2019Q3	us-gaap	Supplies Expense SuppliesExpense	86000	USD
	us-gaap	Supplies Expense SuppliesExpense	304000	USD
	us-gaap	Supplies Expense SuppliesExpense	250000	USD
CY2019Q3	us-gaap	Professional Fees ProfessionalFees	231000	USD
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	262000	USD
CY2019Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	9000	USD
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	191000	USD
	us-gaap	Professional Fees ProfessionalFees	842000	USD
	us-gaap	Professional Fees ProfessionalFees	775000	USD
CY2020Q3	fxnc	Atm And Check Card Expense ATMAndCheckCardExpense	259000	USD
CY2019Q3	fxnc	Atm And Check Card Expense ATMAndCheckCardExpense	225000	USD
	fxnc	Atm And Check Card Expense ATMAndCheckCardExpense	727000	USD
	fxnc	Atm And Check Card Expense ATMAndCheckCardExpense	666000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	52000	USD
CY2019Q3	fxnc	Federal Deposit Insurance Corporation Refund FederalDepositInsuranceCorporationRefund	6000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	142000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	98000	USD
CY2020Q3	fxnc	Bank Franchise Tax BankFranchiseTax	162000	USD
CY2019Q3	fxnc	Bank Franchise Tax BankFranchiseTax	136000	USD
	fxnc	Bank Franchise Tax BankFranchiseTax	476000	USD
	fxnc	Bank Franchise Tax BankFranchiseTax	402000	USD
CY2019Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	174000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	563000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	526000	USD
CY2020Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	33000	USD
CY2019Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	71000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	127000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	241000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-0	USD
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	631000	USD
CY2019Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	762000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1857000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2183000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	6135000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	6186000	USD
	us-gaap	Noninterest Expense NoninterestExpense	17892000	USD
	us-gaap	Noninterest Expense NoninterestExpense	18514000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2140000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3076000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6992000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8432000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	386000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	583000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1290000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1592000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	1754000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	2493000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5702000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6840000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	1754000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	2493000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5702000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6840000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1003000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	127000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	26000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	375000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2632000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	3292000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	-340000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	30000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	30000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	131000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	106000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	375000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2708000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2952000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1881000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2868000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8410000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9792000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5702000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6840000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	992000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	127000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	241000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	14000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	13000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	3183000	USD
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	7497000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	3410000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	6899000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	60000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	81000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3200000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	200000	USD
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	38000	USD
	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	-0	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	345000	USD
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	333000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	497000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	447000	USD
	fxnc	Accretion Amortization Of Discounts And Premiums On Time Deposits AccretionAmortizationOfDiscountsAndPremiumsOnTimeDeposits	-20000	USD
	fxnc	Accretion Amortization Of Discounts And Premiums On Time Deposits AccretionAmortizationOfDiscountsAndPremiumsOnTimeDeposits	-46000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	254000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	159000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2000	USD
	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	9000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1030000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-97000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	1091000	USD
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-60000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-688000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1122000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-28000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	133336000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	210000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9078000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6894000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	24787000	USD
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	14431000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	2444000	USD
	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	1669000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	18019000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2336000	USD
	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	42000	USD
	us-gaap	Payments To Acquire Restricted Investments PaymentsToAcquireRestrictedInvestments	118000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	793000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	883000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	9000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	-0	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	3000000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	74379000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	28694000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-65993000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-18931000	USD
	fxnc	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	147872000	USD
	fxnc	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	14497000	USD
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-15899000	USD
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	604000	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	4990000	USD
	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1509000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1257000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	13792000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	76421000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1755000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	45785000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	28618000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	122206000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	30373000	USD
	us-gaap	Interest Paid Net InterestPaidNet	2739000	USD
	us-gaap	Interest Paid Net InterestPaidNet	3658000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2451000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1576000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	3294000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	4167000	USD
	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	-431000	USD
	fxnc	Fair Value Of Securities Transferred From Held To Maturity To Available For Sale FairValueOfSecuritiesTransferredFromHeldToMaturityToAvailableForSale	0	USD
	fxnc	Fair Value Of Securities Transferred From Held To Maturity To Available For Sale FairValueOfSecuritiesTransferredFromHeldToMaturityToAvailableForSale	23036000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	134000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	0	USD
	us-gaap	Stock Issued1 StockIssued1	106000	USD
	us-gaap	Stock Issued1 StockIssued1	83000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	72809000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	2493000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	375000	USD
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	447000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	91000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	27000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	75316000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	80788000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	1754000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	127000	USD
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	535000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	86000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	36000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	82256000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	66674000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6840000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2952000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1340000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	159000	USD
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	83000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	75316000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	77219000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5702000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2708000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1615000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	254000	USD
	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	106000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	82256000	USD
CY2020Q3	fxnc	Financing Receivable Deferred Payments FinancingReceivableDeferredPayments	22600000	USD
CY2020Q3	fxnc	Financing Receivable Percentage Of Deferred Payments Loans To Total Loan Balances FinancingReceivablePercentageOfDeferredPaymentsLoansToTotalLoanBalances	0.03	pure
CY2020Q2	fxnc	Financing Receivable Deferred Payments FinancingReceivableDeferredPayments	182600000	USD
CY2020Q2	fxnc	Financing Receivable Percentage Of Deferred Payments Loans To Total Loan Balances FinancingReceivablePercentageOfDeferredPaymentsLoansToTotalLoanBalances	0.28	pure
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	112923000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4223000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	117132000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	15101000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	537000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	-0	USD
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	15638000	USD
CY2020Q3	fxnc	Availablefor Sale And Heldto Maturity Securities Amortized Cost AvailableforSaleAndHeldtoMaturitySecuritiesAmortizedCost	128024000	USD
CY2020Q3	us-gaap	Available For Sale Securities And Held To Maturity Securities AvailableForSaleSecuritiesAndHeldToMaturitySecurities	132770000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	120068000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	17627000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1254000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	339000	USD
CY2020Q3	fxnc	Availableforsale And Heldtomaturity Securities Accumulated Gross Unrealized Gain AvailableforsaleAndHeldtomaturitySecuritiesAccumulatedGrossUnrealizedGain	4760000	USD
CY2020Q3	fxnc	Availableforsale And Heldtomaturity Securities Accumulated Gross Unrealized Loss AvailableforsaleAndHeldtomaturitySecuritiesAccumulatedGrossUnrealizedLoss	14000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	44309000	USD
CY2019Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	339000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	120983000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3516000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	99000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	80000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	17646000	USD
CY2019Q4	fxnc	Availablefor Sale And Heldto Maturity Securities Amortized Cost AvailableforSaleAndHeldtoMaturitySecuritiesAmortizedCost	137695000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Accumulated Gross Unrealized Gain AvailableforsaleAndHeldtomaturitySecuritiesAccumulatedGrossUnrealizedGain	1353000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Accumulated Gross Unrealized Loss AvailableforsaleAndHeldtomaturitySecuritiesAccumulatedGrossUnrealizedLoss	419000	USD
CY2019Q4	us-gaap	Available For Sale Securities And Held To Maturity Securities AvailableForSaleSecuritiesAndHeldToMaturitySecurities	138629000	USD
CY2020Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3093000	USD
CY2020Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	14000	USD
CY2020Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2020Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	-0	USD
CY2020Q3	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	3093000	USD
CY2020Q3	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	31226000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	212000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	13083000	USD
CY2019Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	127000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	5936000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	70000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	9452000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	80000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableforsaleAndHeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	34742000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Accumulated Loss AvailableforsaleAndHeldtomaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAccumulatedLoss	222000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continued Unrealized Loss Position12 Months Or Longer Fair Value AvailableforsaleAndHeldtomaturitySecuritiesContinuedUnrealizedLossPosition12MonthsOrLongerFairValue	19019000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableforsaleAndHeldtomaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	197000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continuous Unrealized Loss Position Fair Value AvailableforsaleAndHeldtomaturitySecuritiesContinuousUnrealizedLossPositionFairValue	53761000	USD
CY2019Q4	fxnc	Availableforsale And Heldtomaturity Securities Continuous Unrealized Loss Position AvailableforsaleAndHeldtomaturitySecuritiesContinuousUnrealizedLossPosition	419000	USD
	fxnc	Weighted Average Repricing Term WeightedAverageRepricingTerm	P3Y1M6D
CY2019	fxnc	Weighted Average Repricing Term WeightedAverageRepricingTerm	P3Y8M12D
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1409000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1416000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	392000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	397000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	13424000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	13984000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	4547000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	4710000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	31236000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	32563000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	3973000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	4148000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	66854000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	69169000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	6189000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	6383000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	112923000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	117132000	USD
CY2020Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	15101000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	15638000	USD
	fxnc	Impairment Losses Related To Federal Home Loan Stock ImpairmentLossesRelatedToFederalHomeLoanStock	0	USD
CY2020Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	818000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	776000	USD
CY2020Q3	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	980000	USD
CY2019Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	980000	USD
CY2020Q3	fxnc	Community Bankers Bank Stock CommunityBankersBankStock	50000	USD
CY2019Q4	fxnc	Community Bankers Bank Stock CommunityBankersBankStock	50000	USD
CY2020Q3	us-gaap	Restricted Investments RestrictedInvestments	1848000	USD
CY2019Q4	us-gaap	Restricted Investments RestrictedInvestments	1806000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	648368000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	574346000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7777000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4934000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	640591000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	569412000	USD
CY2020Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	1900000	USD
CY2019Q4	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	340000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	1371000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	646997000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	648368000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	6974000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	6000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	3145000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	571201000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	574346000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1459000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	97000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	648368000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	574346000	USD
CY2020Q3	fxnc	Financing Receivable Percentage Of Deferred Payments Loans To Total Loan Balances FinancingReceivablePercentageOfDeferredPaymentsLoansToTotalLoanBalances	0.03	pure
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	5488000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	648368000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4934000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	619000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	262000	USD
	fxnc	Provision For Recovery Of Loan Losses ProvisionForRecoveryOfLoanLosses	3200000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	7777000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2289000	USD
CY2020Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6974000	USD
CY2020Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	641394000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5009000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	884000	USD
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	359000	USD
CY2019	fxnc	Provision For Recovery Of Loan Losses ProvisionForRecoveryOfLoanLosses	450000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4934000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	33000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4901000	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1459000	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	572887000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	5009000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	603000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	306000	USD
	fxnc	Provision For Recovery Of Loan Losses ProvisionForRecoveryOfLoanLosses	200000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	4912000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	74000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	4838000	USD
CY2019Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1566000	USD
CY2019Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	569687000	USD
CY2020Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	7149000	USD
CY2020Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1113000	USD
CY2020Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	5861000	USD
CY2020Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	6974000	USD
CY2020Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2289000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2882000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	187000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	1639000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1020000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	439000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1459000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	33000	USD
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1926000	USD
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	5000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	1699000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	1016000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	550000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	1566000	USD
CY2019Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	74000	USD
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2056000	USD
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	5000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	6000000.0	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	360000	USD
CY2020Q3	fxnc	Financing Receivable Deferred Payments FinancingReceivableDeferredPayments	22600000	USD
CY2019Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	218100000	USD
	fxnc	Percentage Of Assets Maximum Borrowing Capacity From Fhlb PercentageOfAssetsMaximumBorrowingCapacityFromFHLB	0.19	pure
CY2020Q3	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	203300000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	80505000	USD
CY2019Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	194900000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1399	pure
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	34534000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600	pure
CY2019	fxnc	Other Real Estate Owned Expenses OtherRealEstateOwnedExpenses	1000	USD
CY2020Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	226300000	USD
CY2020Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	818000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	776000	USD
CY2020Q3	us-gaap	Capital Capital	89155000	USD
CY2020Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1534	pure
CY2020Q3	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	46500000	USD
CY2020Q3	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2020Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	58125000	USD
CY2020Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2020Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	81883000	USD
CY2020Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1409	pure
CY2020Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	34875000	USD
CY2020Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600	pure
CY2020Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	46500000	USD
CY2020Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800	pure
CY2020Q3	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	81883000	USD
CY2020Q3	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.1409	pure
CY2020Q3	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	26156000	USD
CY2020Q3	fxnc	Common Equity Tier One Capital Required For Adequacy To Risk Weighted Assets CommonEquityTierOneCapitalRequiredForAdequacyToRiskWeightedAssets	0.0450	pure
CY2020Q3	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	37782000	USD
CY2020Q3	fxnc	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650	pure
CY2020Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	81883000	USD
CY2020Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0867	pure
CY2020Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	37776000	USD
CY2020Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2020Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	47220000	USD
CY2020Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500	pure
CY2019Q4	us-gaap	Capital Capital	85439000	USD
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1484	pure
CY2019Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	46046000	USD
CY2019Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	57557000	USD
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.1000	pure
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	46046000	USD
CY2019Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.1399	pure
CY2019Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	25901000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0800	pure
CY2019Q4	fxnc	Common Equity Tier One Capital Required For Adequacy To Risk Weighted Assets CommonEquityTierOneCapitalRequiredForAdequacyToRiskWeightedAssets	0.0450	pure
CY2019Q4	us-gaap	Common Equity Tier One Capital Required To Be Well Capitalized CommonEquityTierOneCapitalRequiredToBeWellCapitalized	37412000	USD
CY2019Q4	fxnc	Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650	pure
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	80505000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.1013	pure
CY2019Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	80505000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	31799000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2019Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	39749000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	0.0500	pure
CY2019Q4	fxnc	Capital Conservation Buffer Percentage CapitalConservationBufferPercentage	0.0250	pure
	fxnc	Capital Conservation Buffer Percentage Maintained At Bank CapitalConservationBufferPercentageMaintainedAtBank	0.0734	pure
CY2019	fxnc	Capital Conservation Buffer Percentage Maintained At Bank CapitalConservationBufferPercentageMaintainedAtBank	0.0684	pure
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	1754000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	2493000	USD
	us-gaap	Net Income Loss NetIncomeLoss	5702000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6840000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4854144
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4966641
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4884805
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4963571
CY2020Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	505
CY2019Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	2485
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1863
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	2813
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4854649
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4969126
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4886668
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4966384
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.36
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.17
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.36
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9632
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2011000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1997000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5590000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5726000	USD
CY2020Q3	fxnc	Noninterest Income Excluding Revenue From Contact With Customer NoninterestIncomeExcludingRevenueFromContactWithCustomer	190000	USD
CY2019Q3	fxnc	Noninterest Income Excluding Revenue From Contact With Customer NoninterestIncomeExcludingRevenueFromContactWithCustomer	194000	USD
	fxnc	Noninterest Income Excluding Revenue From Contact With Customer NoninterestIncomeExcludingRevenueFromContactWithCustomer	483000	USD
	fxnc	Noninterest Income Excluding Revenue From Contact With Customer NoninterestIncomeExcludingRevenueFromContactWithCustomer	485000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	2201000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	2191000	USD
	us-gaap	Noninterest Income NoninterestIncome	6073000	USD
	us-gaap	Noninterest Income NoninterestIncome	6211000	USD

Files In Submission

Name	View Source	Status
0001437749-20-023190-index-headers.html	Edgar Link	pending
0001437749-20-023190-index.html	Edgar Link	pending
0001437749-20-023190.txt	Edgar Link	pending
0001437749-20-023190-xbrl.zip	Edgar Link	pending
ex_200536.htm	Edgar Link	pending
ex_200537.htm	Edgar Link	pending
ex_200538.htm	Edgar Link	pending
ex_200539.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
first1nationalcorporationa09.jpg	Edgar Link	pending
fxnc-20200930.xsd	Edgar Link	pending
fxnc-20200930_cal.xml	Edgar Link	unprocessable
fxnc-20200930_def.xml	Edgar Link	unprocessable
fxnc-20200930_lab.xml	Edgar Link	unprocessable
fxnc-20200930_pre.xml	Edgar Link	unprocessable
fxnc20200930_10q.htm	Edgar Link	pending
fxnc20200930_10q_htm.xml	Edgar Link	completed
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$FXNC
FIRST NATIONAL CORP /VA/ Stock $fxnc

2020 Q4 Form 10-Q Financial Statement

#000143774920023190 Filed on November 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FXNC FIRST NATIONAL CORP /VA/ Stock $fxnc

2020 Q4 Form 10-Q Financial Statement

#000143774920023190 Filed on November 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FXNC
FIRST NATIONAL CORP /VA/ Stock $fxnc