$NKSH
NATIONAL BANKSHARES INC Stock $nksh

$nksh Overview Financials Valuation SEC Filings Company Website

2023 Q3 Form 10-Q Financial Statement

#000143774923022724 Filed on August 09, 2023

Income Statement

Concept	2023 Q3	2023 Q2	2022 Q2
Revenue	$1.835M	$1.693M	$1.769M
YoY Change	2.23%	-4.3%	-83.77%
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	$200.0K	$175.0K	$144.0K
YoY Change	32.45%	21.53%	-15.29%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$6.039M	$5.380M	$647.0K
YoY Change	701.99%	731.53%	-22.42%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$3.691M	$4.441M	$6.766M
YoY Change	-51.14%	-34.36%	21.84%
Income Tax	$617.0K	$540.0K	$1.192M
% Of Pretax Income	16.72%	12.16%	17.62%
Net Earnings	$3.074M	$3.901M	$5.574M
YoY Change	-50.11%	-30.01%	20.83%
Net Earnings / Revenue	167.52%	230.42%	315.09%
Basic Earnings Per Share	$0.52	$0.66	$0.93
Diluted Earnings Per Share	$0.52	$0.66	$928.3K
COMMON SHARES
Basic Shares Outstanding	5.892M	5.890M	6.013M
Diluted Shares Outstanding	5.890M	5.890M	6.004M

Balance Sheet

Concept	2023 Q3	2023 Q2	2022 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$53.44M	$70.06M	$107.6M
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	$11.09M	$11.04M	$11.20M
YoY Change	8.92%	-1.39%	13.18%
Goodwill	$5.848M	$5.848M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$23.20M	$19.11M
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.592B	$1.626B	$1.730B
YoY Change	-6.3%	-6.02%	4.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$600.0K	$260.0K	$46.00K
YoY Change	1400.0%	465.22%
Accrued Expenses	$1.200M	$1.284M	$1.453M
YoY Change	-17.98%	-11.63%	-23.53%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.800M	$260.0K	$1.499M
YoY Change	19.76%	-82.66%	-21.11%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$9.000M	$9.805M	$14.02M
YoY Change	-44.0%	-30.05%	-25.83%
Total Long-Term Liabilities	$9.000M	$9.805M	$14.02M
YoY Change	-44.0%	-30.05%	-25.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.800M	$260.0K	$1.499M
Total Long-Term Liabilities	$9.000M	$9.805M	$14.02M
Total Liabilities	$1.476B	$1.497B	$1.593B
YoY Change	-6.99%	-6.04%	8.36%
SHAREHOLDERS EQUITY
Retained Earnings	$198.4M	$195.3M
YoY Change	0.74%
Common Stock	$7.383M	$7.367M
YoY Change	-0.86%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$116.1M	$128.4M	$136.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.592B	$1.626B	$1.730B
YoY Change	-6.3%	-6.02%	4.09%

Cashflow Statement

Concept	2023 Q3	2023 Q2	2022 Q2
OPERATING ACTIVITIES
Net Income	$3.074M	$3.901M	$5.574M
YoY Change	-50.11%	-30.01%	20.83%
Depreciation, Depletion And Amortization	$200.0K	$175.0K	$144.0K
YoY Change	32.45%	21.53%	-15.29%
Cash From Operating Activities	$4.950M	$4.051M	$3.363M
YoY Change	-39.8%	20.46%	-24.6%
INVESTING ACTIVITIES
Capital Expenditures	$250.0K	$788.0K	-$153.0K
YoY Change	-144.88%	-615.03%	39.09%
Acquisitions
YoY Change
Other Investing Activities	$720.0K	$40.85M	-$32.01M
YoY Change	-234.83%	-227.63%	-62.16%
Cash From Investing Activities	$470.0K	$40.06M	-$32.16M
YoY Change	-143.08%	-224.57%	-62.02%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-22.03M	-28.72M	28.35M
YoY Change	176.31%	-201.31%	-65.16%
NET CHANGE
Cash From Operating Activities	4.950M	4.051M	3.363M
Cash From Investing Activities	470.0K	40.06M	-32.16M
Cash From Financing Activities	-22.03M	-28.72M	28.35M
Net Change In Cash	-16.61M	15.40M	-449.0K
YoY Change	1875.03%	-3528.73%	-139.04%
FREE CASH FLOW
Cash From Operating Activities	$4.950M	$4.051M	$3.363M
Capital Expenditures	$250.0K	$788.0K	-$153.0K
Free Cash Flow	$4.700M	$3.263M	$3.516M
YoY Change	-46.47%	-7.2%	-23.06%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	59026000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	614178000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	656852000	usd
CY2023Q2	us-gaap	Investment Owned Restricted Cost InvestmentOwnedRestrictedCost	929000	usd
CY2022Q4	us-gaap	Investment Owned Restricted Cost InvestmentOwnedRestrictedCost	941000	usd
CY2023Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	846541000	usd
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1289000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-6617000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-702000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1831000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-15609000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	700000	usd
CY2022Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	41977
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2022Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-6617000	usd
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.73
CY2023Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-587000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	83162
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-15609000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.73
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2531000	usd
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
	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
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2023-06-30
	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	24062-9002
	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
CY2023Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	5891739
CY2023Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	14815000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	12403000	usd
CY2023Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	55241000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	852744000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10626000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q2	us-gaap	Notes Receivable Net NotesReceivableNet	835915000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	844519000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11044000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10371000	usd
CY2023Q2	us-gaap	Interest Receivable InterestReceivable	5718000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	6001000	usd
CY2023Q2	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	662000	usd
CY2022Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	662000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	5848000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	5848000	usd
CY2023Q2	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43081000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	43312000	usd
CY2023Q2	us-gaap	Other Assets OtherAssets	38110000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	37616000	usd
CY2023Q2	us-gaap	Assets Assets	1625541000	usd
CY2022Q4	us-gaap	Assets Assets	1677551000	usd
CY2023Q2	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	300713000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	327713000	usd
CY2023Q2	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	841382000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	933269000	usd
CY2023Q2	nksh	Deposit Savings Deposits DepositSavingsDeposits	197958000	usd
CY2022Q4	nksh	Deposit Savings Deposits DepositSavingsDeposits	214114000	usd
CY2023Q2	us-gaap	Time Deposits TimeDeposits	146979000	usd
CY2022Q4	us-gaap	Time Deposits TimeDeposits	67629000	usd
CY2023Q2	us-gaap	Deposits Deposits	1487032000	usd
CY2022Q4	us-gaap	Deposits Deposits	1542725000	usd
CY2023Q2	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	260000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	106000	usd
CY2023Q2	us-gaap	Other Liabilities OtherLiabilities	9805000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	12033000	usd
CY2023Q2	us-gaap	Liabilities Liabilities	1497097000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	1554864000	usd
CY2023Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q2	us-gaap	Common Stock Value CommonStockValue	7367000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	7362000	usd
CY2023Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	195320000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	199091000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-74243000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-83766000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	128444000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	122687000	usd
CY2023Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1625541000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1677551000	usd
CY2023Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	9644000	usd
CY2022Q2	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	8324000	usd
CY2023Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	540000	usd
CY2022Q2	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	202000	usd
CY2023Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	4066000	usd
CY2022Q2	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2949000	usd
CY2023Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	347000	usd
CY2022Q2	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	447000	usd
CY2023Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	14597000	usd
CY2022Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	11922000	usd
CY2023Q2	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	1054000	usd
CY2022Q2	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	37000	usd
CY2023Q2	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	4314000	usd
CY2022Q2	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	610000	usd
CY2023Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	12000	usd
CY2022Q2	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	0	usd
CY2023Q2	us-gaap	Interest Expense InterestExpense	5380000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	647000	usd
CY2023Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9217000	usd
CY2022Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11275000	usd
CY2023Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	10000	usd
CY2022Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	310000	usd
CY2023Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9207000	usd
CY2022Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	10965000	usd
CY2023Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1279000	usd
CY2022Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	241000	usd
CY2023Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	2971000	usd
CY2022Q2	us-gaap	Gain On Sale Of Investments GainOnSaleOfInvestments	0	usd
CY2023Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	55000	usd
CY2022Q2	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	35000	usd
CY2023Q2	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-3344000	usd
CY2022Q2	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2023Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	249000	usd
CY2022Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	208000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	2791000	usd
CY2022Q2	us-gaap	Noninterest Income NoninterestIncome	2112000	usd
CY2023Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4465000	usd
CY2022Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4011000	usd
CY2023Q2	us-gaap	Occupancy Net OccupancyNet	411000	usd
CY2022Q2	us-gaap	Occupancy Net OccupancyNet	464000	usd
CY2023Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	879000	usd
CY2022Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	793000	usd
CY2023Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	254000	usd
CY2022Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	111000	usd
CY2023Q2	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	4000	usd
CY2022Q2	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	0	usd
CY2023Q2	nksh	Tax Other TaxOther	358000	usd
CY2022Q2	nksh	Tax Other TaxOther	371000	usd
CY2023Q2	us-gaap	Professional Fees ProfessionalFees	551000	usd
CY2022Q2	us-gaap	Professional Fees ProfessionalFees	214000	usd
CY2023Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	635000	usd
CY2022Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	347000	usd
CY2023Q2	us-gaap	Noninterest Expense NoninterestExpense	7557000	usd
CY2022Q2	us-gaap	Noninterest Expense NoninterestExpense	6311000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4441000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6766000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	540000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1192000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	3901000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	5574000	usd
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
CY2023Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5889687
CY2022Q2	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6004425
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5890048
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6004425
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.73
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	3901000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	5574000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4848000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-24893000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-2642000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-0	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2206000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-24893000	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1695000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-19319000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	18977000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	16424000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	768000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	251000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	8184000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5422000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	712000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	875000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	28641000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	22972000	usd
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	1413000	usd
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	74000	usd
	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	6768000	usd
	us-gaap	Interest Expense Other Domestic Deposits InterestExpenseOtherDomesticDeposits	1228000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	297000	usd
	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	0	usd
	us-gaap	Interest Expense InterestExpense	8478000	usd
	us-gaap	Interest Expense InterestExpense	1302000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	20163000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	21670000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	12000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	444000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	20151000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	21226000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1518000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	479000	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	71000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	96000	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	624000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	700000	usd
	us-gaap	Noninterest Income NoninterestIncome	4990000	usd
	us-gaap	Noninterest Income NoninterestIncome	4403000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	8899000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	7989000	usd
	us-gaap	Occupancy Net OccupancyNet	953000	usd
	us-gaap	Occupancy Net OccupancyNet	956000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1752000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1580000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	371000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	222000	usd
	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	15000	usd
	nksh	Net Costs Of Other Real Estate Owned NetCostsOfOtherRealEstateOwned	10000	usd
	nksh	Tax Other TaxOther	733000	usd
	nksh	Tax Other TaxOther	733000	usd
	us-gaap	Professional Fees ProfessionalFees	1304000	usd
	us-gaap	Professional Fees ProfessionalFees	439000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1194000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	995000	usd
	us-gaap	Noninterest Expense NoninterestExpense	15221000	usd
	us-gaap	Noninterest Expense NoninterestExpense	12924000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	9920000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12705000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1488000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2245000	usd
	us-gaap	Net Income Loss NetIncomeLoss	8432000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10460000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.43
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.74
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.43
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.74
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	5889687
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	6025709
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889868
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6025709
	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	8432000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10460000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6891000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-58719000	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	9523000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-58719000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	17955000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-48259000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	161289000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	5574000	usd
CY2022Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1406000	usd
CY2022Q2	us-gaap	Dividends Common Stock DividendsCommonStock	4324000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-24893000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	136240000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	131043000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	3901000	usd
CY2023Q2	us-gaap	Dividends Common Stock DividendsCommonStock	4299000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2206000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	128444000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	191751000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10460000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2928000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	4324000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-58719000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	136240000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	122687000	usd
	us-gaap	Net Income Loss NetIncomeLoss	8432000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	10189000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9523000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	128444000	usd
	us-gaap	Net Income Loss NetIncomeLoss	8432000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10460000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	12000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	444000	usd
	us-gaap	Depreciation Depreciation	338000	usd
	us-gaap	Depreciation Depreciation	298000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-524000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-660000	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	Gain Loss On Sale Of Repossessed Assets GainLossOnSaleOfRepossessedAssets	-5000	usd
	nksh	Gain Loss On Sale Of Repossessed Assets GainLossOnSaleOfRepossessedAssets	-0	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	481000	usd
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	479000	usd
	nksh	Gain Loss On Boli Settlement GainLossOnBoliSettlement	1037000	usd
	nksh	Gain Loss On Boli Settlement GainLossOnBoliSettlement	-0	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	5251000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4342000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	5322000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4565000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	71000	usd
	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	96000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	0	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-283000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	402000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	748000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	741000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	154000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2435000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-317000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	8384000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10048000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	50872000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	24182000	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	95341000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	-12000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	96000	usd
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	3630000	usd
	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	10801000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	5146000	usd
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	4437000	usd
	nksh	Proceeds From Loans And Leases Originations And Principal Collections ProceedsFromLoansAndLeasesOriginationsAndPrincipalCollections	4520000	usd
	nksh	Proceeds From Loans And Leases Originations And Principal Collections ProceedsFromLoansAndLeasesOriginationsAndPrincipalCollections	-39337000	usd
	nksh	Proceeds From Sale Of Repossessed Assets ProceedsFromSaleOfRepossessedAssets	9000	usd
	nksh	Proceeds From Sale Of Repossessed Assets ProceedsFromSaleOfRepossessedAssets	0	usd
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	207000	usd
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	86000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	1011000	usd
	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	349000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	56125000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-117219000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	79350000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	1997000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	-135043000	usd
	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	81247000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2928000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	10189000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	4324000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-65882000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	75992000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1373000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-31179000	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
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	70056000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	107610000	usd
	us-gaap	Interest Paid Net InterestPaidNet	8324000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1304000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3847000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2184000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	160000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	135000	usd
	nksh	Loans Transferred To Repossessed Assets LoansTransferredToRepossessedAssets	7000	usd
	nksh	Loans Transferred To Repossessed Assets LoansTransferredToRepossessedAssets	0	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	12054000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-74328000	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	25000	usd
CY2023Q2	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	846939000	usd
CY2022Q4	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	853193000	usd
CY2023Q2	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	398000	usd
CY2022Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	449000	usd
CY2023Q2	us-gaap	Notes Receivable Gross NotesReceivableGross	846541000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	852744000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10626000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q2	us-gaap	Notes Receivable Net NotesReceivableNet	835915000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	844519000	usd
CY2023Q2	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2517000	usd
CY2022Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	2516000	usd
CY2023Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	21000	usd
CY2023Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3075000	usd
CY2023Q2	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	846939000	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
CY2023Q2	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	0	usd
CY2023Q2	nksh	Financing Receivable Nonaccrual With Recorded Allowance FinancingReceivableNonaccrualWithRecordedAllowance	3075000	usd
CY2023Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3075000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2847000	usd
CY2023Q2	nksh	Ratio Of Allowance For Loan Losses To Nonperforming Loans RatioOfAllowanceForLoanLossesToNonperformingLoans	3.4556	pure
CY2022Q2	nksh	Ratio Of Allowance For Loan Losses To Nonperforming Loans RatioOfAllowanceForLoanLossesToNonperformingLoans	2.7086	pure
CY2022Q4	nksh	Ratio Of Allowance For Loan Losses To Nonperforming Loans RatioOfAllowanceForLoanLossesToNonperformingLoans	2.8890	pure
CY2023Q2	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0.0000	pure
CY2022Q2	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0.0000	pure
CY2022Q4	nksh	Ratio Of Loans Past Due90 Days Or More And Still Accruing To Loans RatioOfLoansPastDue90DaysOrMoreAndStillAccruingToLoans	0.0000	pure
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	160000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	207000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	12000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10626000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	7674000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	135000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	86000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	444000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8069000	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
CY2023Q2	nksh	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment	940000	usd
CY2023Q2	nksh	Financing Receivables Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivablesAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	9686000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	10626000	usd
CY2022Q4	nksh	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment	0	usd
CY2022Q4	nksh	Financing Receivables Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivablesAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	8225000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8225000	usd
CY2023Q2	nksh	Financing Receivables Individually Evaluated For Impairment FinancingReceivablesIndividuallyEvaluatedForImpairment	10725000	usd
CY2023Q2	nksh	Financing Receivables Collectively Evaluated For Impairment FinancingReceivablesCollectivelyEvaluatedForImpairment	836214000	usd
CY2023Q2	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	846939000	usd
CY2023Q2	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	846939000	usd
	us-gaap	Financing Receivable Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	0	usd
	us-gaap	Financing Receivable Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	11000	usd
CY2023Q2	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	46355000	usd
CY2023Q2	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	112000	usd
	nksh	Ratio Of Allowance For Loan Losses To End Of Period Loans RatioOfAllowanceForLoanLossesToEndOfPeriodLoans	0.0126	pure
	nksh	Ratio Of Allowance For Loan Losses To End Of Period Loans RatioOfAllowanceForLoanLossesToEndOfPeriodLoans	0.0095	pure
CY2022	nksh	Ratio Of Allowance For Loan Losses To End Of Period Loans RatioOfAllowanceForLoanLossesToEndOfPeriodLoans	0.0096	pure
	nksh	Ratio Of Net Chargeoffs To Average Loans RatioOfNetChargeoffsToAverageLoans	-0.0001	pure
	nksh	Ratio Of Net Chargeoffs To Average Loans RatioOfNetChargeoffsToAverageLoans	0.0001	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	5820000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	43000	usd
CY2023Q2	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	262601000	usd
CY2023Q2	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	49923000	usd
CY2023Q2	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	98763000	usd
CY2023Q2	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	198822000	usd
CY2023Q2	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	147995000	usd
CY2023Q2	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	42368000	usd
	us-gaap	Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	17000	usd
	us-gaap	Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	18000	usd
	us-gaap	Financing Receivable Year One Originated Current Fiscal Year Writeoff FinancingReceivableYearOneOriginatedCurrentFiscalYearWriteoff	56000	usd
	us-gaap	Financing Receivable Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	0	usd
	us-gaap	Financing Receivable Revolving Writeoff FinancingReceivableRevolvingWriteoff	58000	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	160000	usd
CY2023Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1	pure
CY2022Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2023Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	705189000	usd
CY2023Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	usd
CY2023Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	91011000	usd
CY2023Q2	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	614178000	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
CY2023Q2	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	19112000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	21644000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1897000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1868000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	139460000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	128835000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	299548000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	255178000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	264284000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	228297000	usd
CY2023Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	705189000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	614178000	usd
CY2023Q2	nksh	Continuous Unrealized Loss Position Less Than Twelve Months Fair Value ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	31829000	usd
CY2023Q2	nksh	Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses ContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	1232000	usd
CY2023Q2	nksh	Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value ContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	582007000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1769000	usd
CY2023Q2	nksh	Revenue From Contract With Customer Including Assessed Tax Outside Of Topic606 RevenueFromContractWithCustomerIncludingAssessedTaxOutsideOfTopic606	1098000	usd
CY2022Q2	nksh	Revenue From Contract With Customer Including Assessed Tax Outside Of Topic606 RevenueFromContractWithCustomerIncludingAssessedTaxOutsideOfTopic606	343000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	2791000	usd
CY2022Q2	us-gaap	Noninterest Income NoninterestIncome	2112000	usd
CY2023Q2	nksh	Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses ContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	89779000	usd
CY2022Q4	nksh	Continuous Unrealized Loss Position Less Than Twelve Months Fair Value ContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	389208000	usd
CY2022Q4	nksh	Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses ContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	39109000	usd
CY2022Q4	nksh	Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value ContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	259070000	usd
CY2022Q4	nksh	Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses ContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	64043000	usd
CY2023Q2	nksh	Number Of Temporarily Impaired Securities Greater Than Twelve Months NumberOfTemporarilyImpairedSecuritiesGreaterThanTwelveMonths	578	pure
CY2023Q2	nksh	Continuous Unrealized Loss Position Aggregate Losses ContinuousUnrealizedLossPositionAggregateLosses	613836000	usd
CY2023Q2	nksh	Available For Sale Securities Sold Book Value AvailableForSaleSecuritiesSoldBookValue	28863000	usd
CY2023Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-3344000	usd
CY2023Q1	nksh	Available For Sale Securities Sold Book Value AvailableForSaleSecuritiesSoldBookValue	17987000	usd
CY2023Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	12000	usd
CY2023Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	614178000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	656852000	usd
CY2023Q2	nksh	Other Real Estate Fair Value Disclosure OtherRealEstateFairValueDisclosure	662000	usd
CY2022Q4	nksh	Other Real Estate Fair Value Disclosure OtherRealEstateFairValueDisclosure	662000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1693000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3535000	usd
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3476000	usd
	nksh	Revenue From Contract With Customer Including Assessed Tax Outside Of Topic606 RevenueFromContractWithCustomerIncludingAssessedTaxOutsideOfTopic606	1455000	usd
	nksh	Revenue From Contract With Customer Including Assessed Tax Outside Of Topic606 RevenueFromContractWithCustomerIncludingAssessedTaxOutsideOfTopic606	927000	usd
	us-gaap	Noninterest Income NoninterestIncome	4990000	usd
	us-gaap	Noninterest Income NoninterestIncome	4403000	usd
CY2023Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y9M3D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M20D
CY2023Q2	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
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	92000	usd
CY2022Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	78000	usd
CY2023Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2023Q2	us-gaap	Lease Cost LeaseCost	92000	usd
CY2022Q2	us-gaap	Lease Cost LeaseCost	78000	usd
CY2023Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	92000	usd
CY2022Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	78000	usd
CY2023Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2022Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	184000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	154000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1000	usd
	us-gaap	Lease Cost LeaseCost	185000	usd
	us-gaap	Lease Cost LeaseCost	155000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	186000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	156000	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	25000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	353000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	320000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	221000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	195000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	189000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	111000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1389000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	105000	usd
CY2023Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3901000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5889687
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5574000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6004425
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	361
CY2022Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2023Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3901000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5890048
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	5574000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6004425
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.93
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8432000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5889687
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.43
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	10460000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6025709
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.74
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	181
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	8432000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5889868
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.43
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	10460000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6025709
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.74

Files In Submission

Name	View Source	Status
0001437749-23-022724-index-headers.html	Edgar Link	pending
0001437749-23-022724-index.html	Edgar Link	pending
0001437749-23-022724.txt	Edgar Link	pending
0001437749-23-022724-xbrl.zip	Edgar Link	pending
ex_553977.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable

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$NKSH
NATIONAL BANKSHARES INC Stock $nksh

2023 Q3 Form 10-Q Financial Statement

#000143774923022724 Filed on August 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NKSH NATIONAL BANKSHARES INC Stock $nksh

2023 Q3 Form 10-Q Financial Statement

#000143774923022724 Filed on August 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NKSH
NATIONAL BANKSHARES INC Stock $nksh