$NKSH
NATIONAL BANKSHARES INC Stock $nksh

$nksh Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000143774923030806 Filed on November 08, 2023

Income Statement

Concept	2023 Q4	2023 Q3	2022 Q3
Revenue		$1.835M	$1.795M
YoY Change		2.23%	-84.6%
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	$214.0K	$200.0K	$151.0K
YoY Change	33.75%	32.45%	0.67%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$6.039M	$753.0K
YoY Change		701.99%	4.73%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$5.064M	$3.691M	$7.554M
YoY Change	-55.98%	-51.14%	8.63%
Income Tax	$879.0K	$617.0K	$1.392M
% Of Pretax Income	17.36%	16.72%	18.43%
Net Earnings	$4.185M	$3.074M	$6.162M
YoY Change	-55.05%	-50.11%	7.13%
Net Earnings / Revenue		167.52%	343.29%
Basic Earnings Per Share		$0.52	$1.03
Diluted Earnings Per Share	$0.71	$0.52	$1.031M
COMMON SHARES
Basic Shares Outstanding	5.892M	5.892M	5.975M
Diluted Shares Outstanding		5.890M	5.975M

Balance Sheet

Concept	2023 Q4	2023 Q3	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$86.60M	$53.44M	$10.96M
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	$11.11M	$11.09M	$10.18M
YoY Change	7.12%	8.92%	3.66%
Goodwill	$5.848M	$5.848M	$5.848M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$0.00
YoY Change
Long-Term Investments	$129.7M
YoY Change	20.4%
Other Assets	$16.32M	$23.20M
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.655B	$1.592B	$1.699B
YoY Change	-1.32%	-6.3%	3.34%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.416M	$600.0K	$40.00K
YoY Change	1235.85%	1400.0%
Accrued Expenses	$1.127M	$1.200M	$1.463M
YoY Change	-21.95%	-17.98%	-18.72%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.416M	$1.800M	$1.503M
YoY Change	-8.65%	19.76%	-16.5%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$9.460M	$9.000M	$16.07M
YoY Change	-10.66%	-44.0%	-13.6%
Total Long-Term Liabilities	$9.460M	$9.000M	$16.07M
YoY Change	-10.66%	-44.0%	-13.6%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.416M	$1.800M	$1.503M
Total Long-Term Liabilities	$9.460M	$9.000M	$16.07M
Total Liabilities	$1.515B	$1.476B	$1.587B
YoY Change	-2.57%	-6.99%	9.19%
SHAREHOLDERS EQUITY
Retained Earnings	$198.0M	$198.4M	$196.9M
YoY Change	-0.56%	0.74%	4.37%
Common Stock	$7.404M	$7.383M	$7.447M
YoY Change	0.57%	-0.86%	-2.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$140.5M	$116.1M	$112.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.655B	$1.592B	$1.699B
YoY Change	-1.32%	-6.3%	3.34%

Cashflow Statement

Concept	2023 Q4	2023 Q3	2022 Q3
OPERATING ACTIVITIES
Net Income	$4.185M	$3.074M	$6.162M
YoY Change	-55.05%	-50.11%	7.13%
Depreciation, Depletion And Amortization	$214.0K	$200.0K	$151.0K
YoY Change	33.75%	32.45%	0.67%
Cash From Operating Activities	$2.193M	$4.950M	$8.223M
YoY Change	-80.47%	-39.8%	27.09%
INVESTING ACTIVITIES
Capital Expenditures	$232.0K	$250.0K	-$557.0K
YoY Change	-34.09%	-144.88%	596.25%
Acquisitions
YoY Change
Other Investing Activities	-$3.180M	$720.0K	-$534.0K
YoY Change	-92.97%	-234.83%	-104.78%
Cash From Investing Activities	-$3.412M	$470.0K	-$1.091M
YoY Change	-92.52%	-143.08%	-109.86%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	34.37M	-22.03M	-7.973M
YoY Change	-197.74%	176.31%	-59.36%
NET CHANGE
Cash From Operating Activities	2.193M	4.950M	8.223M
Cash From Investing Activities	-3.412M	470.0K	-1.091M
Cash From Financing Activities	34.37M	-22.03M	-7.973M
Net Change In Cash	33.15M	-16.61M	-841.0K
YoY Change	-147.67%	1875.03%	-59.76%
FREE CASH FLOW
Cash From Operating Activities	$2.193M	$4.950M	$8.223M
Capital Expenditures	$232.0K	$250.0K	-$557.0K
Free Cash Flow	$1.961M	$4.700M	$8.780M
YoY Change	-81.97%	-46.47%	34.05%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5891739
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5891739
CY2023Q3	nksh	Common Stock Shares Unvested CommonStockSharesUnvested	2052
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5889687
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2022Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2023Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2023Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2023Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.25
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.25
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5889687
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4099000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-7822000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2268000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-23431000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	700000	usd
CY2022Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	23500
CY2022Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-7822000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-4099000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	106662
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-23431000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1568000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure
	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	0	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-2268000	usd
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-2268000	usd
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2023-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-15204
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	VA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1375874
	dei	Entity Address Address Line1 EntityAddressAddressLine1	101 Hubbard Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Blacksburg
	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	24062
	dei	City Area Code CityAreaCode	540
	dei	Local Phone Number LocalPhoneNumber	951-6300
	dei	Security12b Title Security12bTitle	Common Stock, par value $1.25 per share
	dei	Trading Symbol TradingSymbol	NKSH
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2023Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	5891739
CY2023Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	13089000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	12403000	usd
CY2023Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	40353000	usd
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	59026000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	591552000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	656852000	usd
CY2023Q3	us-gaap	Investment Owned Restricted Cost InvestmentOwnedRestrictedCost	1264000	usd
CY2022Q4	us-gaap	Investment Owned Restricted Cost InvestmentOwnedRestrictedCost	941000	usd
CY2023Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	82000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	0	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	848975000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	852744000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10181000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q3	us-gaap	Notes Receivable Net NotesReceivableNet	838794000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	844519000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11091000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10371000	usd
CY2023Q3	us-gaap	Interest Receivable InterestReceivable	6180000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	6001000	usd
CY2023Q3	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	662000	usd
CY2022Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	662000	usd
CY2023Q3	us-gaap	Goodwill Goodwill	5848000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	5848000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43327000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43312000	usd
CY2023Q3	us-gaap	Other Assets OtherAssets	39660000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	37616000	usd
CY2023Q3	us-gaap	Assets Assets	1591902000	usd
CY2022Q4	us-gaap	Assets Assets	1677551000	usd
CY2023Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	303166000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	327713000	usd
CY2023Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	789148000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	933269000	usd
CY2023Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	184801000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	214114000	usd
CY2023Q3	us-gaap	Time Deposits TimeDeposits	187885000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	67629000	usd
CY2023Q3	us-gaap	Deposits Deposits	1465000000	usd
CY2022Q4	us-gaap	Deposits Deposits	1542725000	usd
CY2023Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	551000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	106000	usd
CY2023Q3	us-gaap	Other Liabilities OtherLiabilities	10238000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	12033000	usd
CY2023Q3	us-gaap	Liabilities Liabilities	1475789000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	1554864000	usd
CY2023Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q3	us-gaap	Common Stock Value CommonStockValue	7383000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	7362000	usd
CY2023Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	198394000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	199091000	usd
CY2023Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-89664000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-83766000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	116113000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	122687000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1591902000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1677551000	usd
CY2023Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	9816000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	8816000	usd
CY2023Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	439000	usd
CY2022Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	506000	usd
CY2023Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	4084000	usd
CY2022Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	3425000	usd
CY2023Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	340000	usd
CY2022Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	408000	usd
CY2023Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	14679000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13155000	usd
CY2023Q3	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	1452000	usd
CY2022Q3	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	31000	usd
CY2023Q3	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	4584000	usd
CY2022Q3	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	722000	usd
CY2023Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	3000	usd
CY2022Q3	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	0	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	6039000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	753000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8640000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	12402000	usd
CY2023Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-401000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	252000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9041000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12150000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	253000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	239000	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	22000	usd
CY2022Q3	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	40000	usd
CY2023Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	147000	usd
CY2022Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	209000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	2115000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	2140000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4462000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4144000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	547000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	476000	usd
CY2023Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	978000	usd
CY2022Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	774000	usd
CY2023Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	190000	usd
CY2022Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	114000	usd
CY2023Q3	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	14000	usd
CY2022Q3	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	68000	usd
CY2023Q3	us-gaap	Taxes Other TaxesOther	339000	usd
CY2022Q3	us-gaap	Taxes Other TaxesOther	375000	usd
CY2023Q3	us-gaap	Professional Fees ProfessionalFees	251000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	254000	usd
CY2023Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	684000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	531000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	7465000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	6736000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3691000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7554000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	617000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1392000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	3074000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6162000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2023Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5889687
CY2022Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5974961
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889939
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5974961
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	3074000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6162000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-15421000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-29424000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15421000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-29424000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-12347000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-23262000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	28793000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	25240000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1207000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	757000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	12268000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	8847000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1052000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1283000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	43320000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	36127000	usd
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	2865000	usd
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	105000	usd
	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	11352000	usd
	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	1950000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	300000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	0	usd
	us-gaap	Interest Expense InterestExpense	14517000	usd
	us-gaap	Interest Expense InterestExpense	2055000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	28803000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34072000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-389000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	696000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	29192000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	33376000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1771000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	718000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	2971000	usd
	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	93000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	136000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-3332000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	771000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	909000	usd
	us-gaap	Noninterest Income NoninterestIncome	7105000	usd
	us-gaap	Noninterest Income NoninterestIncome	6543000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	13361000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12133000	usd
	us-gaap	Occupancy Net OccupancyNet	1500000	usd
	us-gaap	Occupancy Net OccupancyNet	1432000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2730000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2354000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	561000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	336000	usd
	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	29000	usd
	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	78000	usd
	us-gaap	Taxes Other TaxesOther	1072000	usd
	us-gaap	Taxes Other TaxesOther	1108000	usd
	us-gaap	Professional Fees ProfessionalFees	1555000	usd
	us-gaap	Professional Fees ProfessionalFees	693000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1878000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1526000	usd
	us-gaap	Noninterest Expense NoninterestExpense	22686000	usd
	us-gaap	Noninterest Expense NoninterestExpense	19660000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13611000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20259000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2105000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3637000	usd
	us-gaap	Net Income Loss NetIncomeLoss	11506000	usd
	us-gaap	Net Income Loss NetIncomeLoss	16622000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.77
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.95
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.77
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5889687
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6008607
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889778
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6008607
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
	us-gaap	Net Income Loss NetIncomeLoss	11506000	usd
	us-gaap	Net Income Loss NetIncomeLoss	16622000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-8530000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-88143000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-2632000	usd
	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 Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5898000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-88143000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5608000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-71521000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	136244000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	6162000	usd
CY2022Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	795000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-29424000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	112187000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	128444000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	3074000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-15421000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	16000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	116113000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	191751000	usd
	us-gaap	Net Income Loss NetIncomeLoss	16622000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3724000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	4319000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-88143000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	112187000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	122687000	usd
	us-gaap	Net Income Loss NetIncomeLoss	11506000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	10189000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5898000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	21000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	116113000	usd
	us-gaap	Net Income Loss NetIncomeLoss	11506000	usd
	us-gaap	Net Income Loss NetIncomeLoss	16622000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-389000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	696000	usd
	us-gaap	Depreciation Depreciation	544000	usd
	us-gaap	Depreciation Depreciation	449000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-806000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-972000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-0	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	4000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-3332000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-0	usd
	nksh	Losses And Write Downs On Other Real Estate Owned LossesAndWriteDownsOnOtherRealEstateOwned	-0	usd
	nksh	Losses And Write Downs On Other Real Estate Owned LossesAndWriteDownsOnOtherRealEstateOwned	-50000	usd
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-5000	usd
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-0	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	734000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	718000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	6689000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	6348000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	6700000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	7099000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	93000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	136000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	21000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	0	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	179000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	718000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-59000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-33000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	445000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-8000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2002000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	282000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	13332000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	18271000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	53696000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	33465000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	-0	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	117341000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	323000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	96000	usd
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	5118000	usd
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	10965000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	6686000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	4513000	usd
	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	-1958000	usd
	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	43479000	usd
	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	13000	usd
	us-gaap	Proceeds From Sale Of Other Assets Investing Activities ProceedsFromSaleOfOtherAssetsInvestingActivities	0	usd
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	235000	usd
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	153000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	1264000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	906000	usd
	nksh	Gain Loss On Boli Settlement GainLossOnBoliSettlement	-712000	usd
	nksh	Gain Loss On Boli Settlement GainLossOnBoliSettlement	-0	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	56595000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-134656000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	120256000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-1945000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	-197981000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	78007000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3724000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	10189000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	4319000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-87914000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	68019000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-17987000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-48366000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	71429000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	138789000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	53442000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	90423000	usd
	us-gaap	Interest Paid Net InterestPaidNet	14072000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2063000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3997000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3441000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	232000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	316000	usd
	nksh	Loans Transferred To Repossessed Assets LoansTransferredToRepossessedAssets	11000	usd
	nksh	Loans Transferred To Repossessed Assets LoansTransferredToRepossessedAssets	0	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-7466000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-111574000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	104000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	316000	usd
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	849417000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	853193000	usd
CY2023Q3	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	442000	usd
CY2022Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	449000	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	848975000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	852744000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10181000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q3	us-gaap	Notes Receivable Net NotesReceivableNet	838794000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	844519000	usd
CY2023Q3	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2760000	usd
CY2022Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2516000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	31000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2981000	usd
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	849417000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	8000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2847000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	853193000	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	0	usd
CY2023Q3	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	2981000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2981000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2847000	usd
CY2023Q3	srt	Financing Receivable Allowance For Credit Loss To Nonaccrual Percent FinancingReceivableAllowanceForCreditLossToNonaccrualPercent	3.4153	pure
CY2022Q3	srt	Financing Receivable Allowance For Credit Loss To Nonaccrual Percent FinancingReceivableAllowanceForCreditLossToNonaccrualPercent	2.8418	pure
CY2022Q4	srt	Financing Receivable Allowance For Credit Loss To Nonaccrual Percent FinancingReceivableAllowanceForCreditLossToNonaccrualPercent	2.889	pure
CY2023Q3	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0	pure
CY2022Q3	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0.0001	pure
CY2022Q4	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0	pure
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	232000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	235000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-389000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10181000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7674000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	153000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	696000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8207000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7674000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	367000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	212000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	706000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10181000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	10658000	usd
CY2023Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	838759000	usd
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	849417000	usd
CY2023Q3	srt	Financing Receivable Allowance For Credit Loss To Outstanding Percent FinancingReceivableAllowanceForCreditLossToOutstandingPercent	0.012	pure
CY2022Q3	srt	Financing Receivable Allowance For Credit Loss To Outstanding Percent FinancingReceivableAllowanceForCreditLossToOutstandingPercent	0.0096	pure
CY2022Q4	srt	Financing Receivable Allowance For Credit Loss To Outstanding Percent FinancingReceivableAllowanceForCreditLossToOutstandingPercent	0.0096	pure
	nksh	Ratio Of Net Chargeoffs To Average Loans RatioOfNetChargeoffsToAverageLoans	0	pure
	nksh	Ratio Of Net Chargeoffs To Average Loans RatioOfNetChargeoffsToAverageLoans	0.0003	pure
CY2022	nksh	Ratio Of Net Chargeoffs To Average Loans RatioOfNetChargeoffsToAverageLoans	0.0002	pure
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3719000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	3032000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	3032000	usd
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	0	usd
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	0	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3067000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	13000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	254991000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	48667000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	88606000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	192216000	usd
CY2023Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	149421000	usd
CY2023Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	69014000	usd
CY2023Q3	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	46382000	usd
CY2023Q3	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	120000	usd
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	849417000	usd
	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	0	usd
	us-gaap	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	11000	usd
	us-gaap	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	17000	usd
	us-gaap	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	20000	usd
	us-gaap	Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	80000	usd
	us-gaap	Financing Receivable Year One Originated Current Fiscal Year Writeoff FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff	6000	usd
	us-gaap	Financing Receivable Revolving Writeoff FinancingReceivableRevolvingWriteoff	98000	usd
	us-gaap	Financing Receivable Revolving Converted To Term Loan Writeoff FinancingReceivableRevolvingConvertedToTermLoanWriteoff	0	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	232000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2023Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2022Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	702083000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	110531000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	591552000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	759917000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	87000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	103152000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	656852000	usd
CY2023Q3	nksh	Interest Receivable On Securities InterestReceivableOnSecurities	3420000	usd
CY2022Q4	nksh	Interest Receivable On Securities InterestReceivableOnSecurities	3485000	usd
CY2023Q3	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	23211000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	21644000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1755000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1730000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	154209000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	140650000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	293046000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	239668000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	253073000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	209504000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	702083000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	591552000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2509000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	80000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	588798000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	110451000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	389208000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	39109000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	259070000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	64043000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	577000	pure
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	591307000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	591552000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	656852000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2000	usd
	us-gaap	Lease Cost LeaseCost	286000	usd
	us-gaap	Lease Cost LeaseCost	240000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	286000	usd
CY2023Q3	nksh	Other Real Estate Fair Value Disclosure OtherRealEstateFairValueDisclosure	662000	usd
CY2022Q4	nksh	Other Real Estate Fair Value Disclosure OtherRealEstateFairValueDisclosure	662000	usd
CY2022Q4	us-gaap	Other Real Estate Owned Measurement Input OtherRealEstateOwnedMeasurementInput	34.72	pure
CY2023Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1835000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1795000	usd
CY2023Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	280000	usd
CY2022Q3	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	345000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	2115000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	2140000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5370000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5271000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	1735000	usd
	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	1272000	usd
	us-gaap	Noninterest Income NoninterestIncome	7105000	usd
	us-gaap	Noninterest Income NoninterestIncome	6543000	usd
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y6M29D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M20D
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0329	pure
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0329	pure
	us-gaap	Operating Lease Cost OperatingLeaseCost	91000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	84000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	10000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1000	usd
	us-gaap	Lease Cost LeaseCost	101000	usd
	us-gaap	Lease Cost LeaseCost	85000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	100000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	83000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	79000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	275000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	238000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	11000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	239000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	104000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	351000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	289000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	219000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	187000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	189000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	64000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1299000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	94000	usd
CY2023Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21000	usd
CY2023Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	42000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3074000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5889687
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6162000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5974961
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	252
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3074000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889939
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	6162000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5974961
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11506000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5889687
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	16622000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6008607
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.77
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	91
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	11506000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889778
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.95
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	16622000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6008607
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.77

Files In Submission

Name	View Source	Status
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nksh-20230930_lab.xml	Edgar Link	unprocessable
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$NKSH
NATIONAL BANKSHARES INC Stock $nksh

2023 Q4 Form 10-Q Financial Statement

#000143774923030806 Filed on November 08, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NKSH NATIONAL BANKSHARES INC Stock $nksh

2023 Q4 Form 10-Q Financial Statement

#000143774923030806 Filed on November 08, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NKSH
NATIONAL BANKSHARES INC Stock $nksh