$NHC
NATIONAL HEALTHCARE CORP Stock $nhc

$nhc Overview Financials Valuation SEC Filings Company Website

2022 Q1 Form 10-Q Financial Statement

#000143774922011146 Filed on May 05, 2022

Income Statement

Concept	2022 Q1	2021 Q1
Revenue	$279.0M	$251.0M
YoY Change	11.16%	-2.01%
Cost Of Revenue	$170.7M	$141.8M
YoY Change	20.39%	-3.31%
Gross Profit	$108.3M	$109.2M
YoY Change	-0.83%	-0.27%
Gross Profit Margin	38.82%	43.51%
Selling, General & Admin	$10.07M	$10.06M
YoY Change	0.02%	-2.6%
% of Gross Profit	9.29%	9.22%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.757M	$10.16M
YoY Change	-3.98%	-2.65%
% of Gross Profit	9.01%	9.31%
Operating Expenses	$93.91M	$85.22M
YoY Change	10.19%	-6.85%
Operating Profit	$14.22M	$15.22M
YoY Change	-6.6%	-3.69%
Interest Expense	$165.0K	$244.0K
YoY Change	-32.38%	-40.78%
% of Operating Profit	1.16%	1.6%
Other Income/Expense, Net	$3.199M	$6.260M
YoY Change	-48.9%	-23.15%
Pretax Income	$20.54M	$28.54M
YoY Change	-28.03%	-178.32%
Income Tax	$5.193M	$7.233M
% Of Pretax Income	25.28%	25.34%
Net Earnings	$15.32M	$21.27M
YoY Change	-27.97%	-179.2%
Net Earnings / Revenue	5.49%	8.47%
Basic Earnings Per Share	$0.99	$1.39
Diluted Earnings Per Share	$0.99	$1.38
COMMON SHARES
Basic Shares Outstanding	15.42M	15.33M
Diluted Shares Outstanding	15.46M	15.39M

Balance Sheet

Concept	2022 Q1	2021 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$363.1M	$463.6M
YoY Change	-21.68%	437.98%
Cash & Equivalents	$56.99M	$134.1M
Short-Term Investments	$306.1M	$329.5M
Other Short-Term Assets	$67.66M	$34.56M
YoY Change	95.77%	-1.34%
Inventory	$8.586M	$8.117M
Prepaid Expenses
Receivables	$101.7M	$94.29M
Other Receivables	$0.00	$8.804M
Total Short-Term Assets	$384.0M	$464.6M
YoY Change	-17.35%	51.5%
LONG-TERM ASSETS
Property, Plant & Equipment	$520.2M	$514.5M
YoY Change	1.11%	-4.83%
Goodwill	$168.3M	$168.3M
YoY Change	0.0%	688.6%
Intangibles	$7.038M
YoY Change
Long-Term Investments	$2.476M	$35.48M
YoY Change	-93.02%	-8.49%
Other Assets	$452.8M	$376.2M
YoY Change	20.36%	-8.02%
Total Long-Term Assets	$973.0M	$890.7M
YoY Change	9.24%	-6.21%
TOTAL ASSETS
Total Short-Term Assets	$384.0M	$464.6M
Total Long-Term Assets	$973.0M	$890.7M
Total Assets	$1.357B	$1.355B
YoY Change	0.13%	7.88%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$25.84M	$16.11M
YoY Change	60.38%	-11.83%
Accrued Expenses	$132.8M	$121.2M
YoY Change	9.52%	17.61%
Deferred Revenue	$5.003M	$51.25M
YoY Change	-90.24%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$4.766M	$4.489M
YoY Change	6.17%	-91.02%
Total Short-Term Liabilities	$216.5M	$265.8M
YoY Change	-18.57%	21.96%
LONG-TERM LIABILITIES
Long-Term Debt	$4.627M	$9.393M
YoY Change	-50.74%
Other Long-Term Liabilities	$17.96M	$29.97M
YoY Change	-40.09%	105.44%
Total Long-Term Liabilities	$17.96M	$29.97M
YoY Change	-40.09%	105.44%
TOTAL LIABILITIES
Total Short-Term Liabilities	$216.5M	$265.8M
Total Long-Term Liabilities	$17.96M	$29.97M
Total Liabilities	$446.0M	$545.1M
YoY Change	-18.19%	6.27%
SHAREHOLDERS EQUITY
Retained Earnings	$675.9M	$576.3M
YoY Change	17.28%	11.2%
Common Stock	$154.0K	$154.0K
YoY Change	0.0%	0.65%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$905.3M	$807.1M
YoY Change
Total Liabilities & Shareholders Equity	$1.357B	$1.355B
YoY Change	0.13%	7.88%

Cashflow Statement

Concept	2022 Q1	2021 Q1
OPERATING ACTIVITIES
Net Income	$15.32M	$21.27M
YoY Change	-27.97%	-179.2%
Depreciation, Depletion And Amortization	$9.757M	$10.16M
YoY Change	-3.98%	-2.65%
Cash From Operating Activities	-$27.46M	$12.59M
YoY Change	-318.1%	62.35%
INVESTING ACTIVITIES
Capital Expenditures	$8.962M	$4.327M
YoY Change	107.12%	-34.72%
Acquisitions
YoY Change
Other Investing Activities	$3.042M	-$1.525M
YoY Change	-299.48%	-84.11%
Cash From Investing Activities	-$5.920M	-$5.852M
YoY Change	1.16%	-63.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$146.0K	-$49.00K
YoY Change	-397.96%	-85.88%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$10.45M	-$9.148M
YoY Change	14.23%	-128.91%
NET CHANGE
Cash From Operating Activities	-$27.46M	$12.59M
Cash From Investing Activities	-$5.920M	-$5.852M
Cash From Financing Activities	-$10.45M	-$9.148M
Net Change In Cash	-$43.83M	-$2.411M
YoY Change	1717.79%	-110.41%
FREE CASH FLOW
Cash From Operating Activities	-$27.46M	$12.59M
Capital Expenditures	$8.962M	$4.327M
Free Cash Flow	-$36.42M	$8.262M
YoY Change	-540.8%	633.75%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	170694000	USD
CY2021Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	149159000	USD
CY2022Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	74085000	USD
CY2021Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	66124000	USD
CY2022Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	15471431
CY2022Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	45000000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	45000000
CY2022Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15471331
CY2022Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	15471331
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15452033
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	15452033
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2021Q4	us-gaap	Continuing Care Retirement Communities Advance Fees Obligation For Future Services Amount ContinuingCareRetirementCommunitiesAdvanceFeesObligationForFutureServicesAmount	2338000	USD
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	454000	USD
CY2022Q1	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2021Q1	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2022Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y
CY2022Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	467326
CY2021Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.253	pure
CY2021Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2022Q1	us-gaap	Open Tax Year OpenTaxYear	2018 2019 2020 2021
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	256337000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	216855000	USD
CY2022Q1	nhc	Other Revenues OtherRevenues	12026000	USD
CY2021Q1	nhc	Other Revenues OtherRevenues	11369000	USD
CY2022Q1	nhc	Government Assistance Stimulus Income Cares Act GovernmentAssistanceStimulusIncomeCaresAct	10620000	USD
CY2021Q1	nhc	Government Assistance Stimulus Income Cares Act GovernmentAssistanceStimulusIncomeCaresAct	22749000	USD
CY2022Q1	us-gaap	Revenues Revenues	278983000	USD
CY2021Q1	us-gaap	Revenues Revenues	250973000	USD
CY2022Q1	us-gaap	Operating Lease Expense OperatingLeaseExpense	10065000	USD
CY2021Q1	us-gaap	Operating Lease Expense OperatingLeaseExpense	10063000	USD
CY2022Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9757000	USD
CY2021Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10161000	USD
CY2022Q1	us-gaap	Interest Expense InterestExpense	165000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	244000	USD
CY2022Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	14217000	USD
CY2022Q1	us-gaap	Costs And Expenses CostsAndExpenses	264766000	USD
CY2021Q1	us-gaap	Costs And Expenses CostsAndExpenses	235751000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	15222000	USD
CY2022Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3199000	USD
CY2021Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6260000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3126000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	7059000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	20542000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	28541000	USD
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5193000	USD
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7233000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	15349000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	21308000	USD
CY2022Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	31000	USD
CY2021Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	41000	USD
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	15318000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	21267000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.39
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15416836
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15327520
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15463855
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15390076
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.52
CY2022Q1	us-gaap	Profit Loss ProfitLoss	15349000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	21308000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-6327000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-2440000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	107000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-0	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1374000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-518000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5060000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1922000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	31000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	41000	USD
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10258000	USD
CY2021Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19345000	USD
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	56993000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	107607000	USD
CY2022Q1	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	17187000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	10407000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	118048000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	113108000	USD
CY2022Q1	us-gaap	Debt Securities Current DebtSecuritiesCurrent	30987000	USD
CY2021Q4	us-gaap	Debt Securities Current DebtSecuritiesCurrent	35310000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Restricted EquitySecuritiesFvNiRestricted	25249000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni Restricted EquitySecuritiesFvNiRestricted	26958000	USD
CY2022Q1	nhc	Restricted Marketable Debt Securities Current RestrictedMarketableDebtSecuritiesCurrent	13703000	USD
CY2021Q4	nhc	Restricted Marketable Debt Securities Current RestrictedMarketableDebtSecuritiesCurrent	20727000	USD
CY2022Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	101748000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	96124000	USD
CY2022Q1	us-gaap	Inventory Net InventoryNet	8586000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	8582000	USD
CY2022Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11519000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7815000	USD
CY2022Q1	us-gaap	Assets Current AssetsCurrent	384020000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	426638000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1073293000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1064337000	USD
CY2022Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	553092000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	543341000	USD
CY2022Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	520201000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	520996000	USD
CY2022Q1	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1736000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	1729000	USD
CY2022Q1	nhc	Restricted Marketable Debt Securities Noncurrent RestrictedMarketableDebtSecuritiesNoncurrent	118098000	USD
CY2021Q4	nhc	Restricted Marketable Debt Securities Noncurrent RestrictedMarketableDebtSecuritiesNoncurrent	116063000	USD
CY2022Q1	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	4956000	USD
CY2021Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	4499000	USD
CY2022Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	150191000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	156116000	USD
CY2022Q1	us-gaap	Goodwill Goodwill	168295000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	168295000	USD
CY2022Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7038000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7038000	USD
CY2022Q1	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	2476000	USD
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	2022000	USD
CY2022Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	452790000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	455762000	USD
CY2022Q1	us-gaap	Assets Assets	1357011000	USD
CY2021Q4	us-gaap	Assets Assets	1403396000	USD
CY2022Q1	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	25842000	USD
CY2021Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	22488000	USD
CY2022Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4766000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4695000	USD
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	28005000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	27574000	USD
CY2022Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	73877000	USD
CY2021Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	106698000	USD
CY2022Q1	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	17319000	USD
CY2021Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	17595000	USD
CY2022Q1	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	30890000	USD
CY2021Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	31134000	USD
CY2022Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	21760000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	20059000	USD
CY2022Q1	nhc	Provider Relief Funds ProviderReliefFunds	516000	USD
CY2021Q4	nhc	Provider Relief Funds ProviderReliefFunds	9443000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5003000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15022000	USD
CY2022Q1	us-gaap	Dividends Payable Current DividendsPayableCurrent	8509000	USD
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	8493000	USD
CY2022Q1	us-gaap	Liabilities Current LiabilitiesCurrent	216487000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	263201000	USD
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	4627000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	5845000	USD
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	122186000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	128542000	USD
CY2022Q1	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	70523000	USD
CY2021Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	66914000	USD
CY2022Q1	us-gaap	Contract With Customer Refund Liability Noncurrent ContractWithCustomerRefundLiabilityNoncurrent	6097000	USD
CY2021Q4	us-gaap	Contract With Customer Refund Liability Noncurrent ContractWithCustomerRefundLiabilityNoncurrent	7011000	USD
CY2021Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-1596000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-4999000	USD
CY2022Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	8078000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	6852000	USD
CY2022Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	17957000	USD
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	16571000	USD
CY2022Q1	us-gaap	Liabilities Liabilities	445955000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	494936000	USD
CY2022Q1	us-gaap	Common Stock Value CommonStockValue	154000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	154000	USD
CY2022Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	232733000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	232167000	USD
CY2022Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	675887000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	669078000	USD
CY2022Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3455000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1605000	USD
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	905319000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	903004000	USD
CY2022Q1	us-gaap	Minority Interest MinorityInterest	5737000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	5456000	USD
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	911056000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	908460000	USD
CY2022Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1357011000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1403396000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	15349000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	21308000	USD
CY2022Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9757000	USD
CY2021Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10161000	USD
CY2022Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	454000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2911000	USD
CY2022Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	USD
CY2021Q1	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5897000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3126000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	7059000	USD
CY2022Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	45000	USD
CY2021Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-0	USD
CY2022Q1	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-2600000	USD
CY2022Q1	us-gaap	Share Based Compensation ShareBasedCompensation	712000	USD
CY2021Q1	us-gaap	Share Based Compensation ShareBasedCompensation	496000	USD
CY2022Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5624000	USD
CY2021Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4622000	USD
CY2022Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4000	USD
CY2021Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-664000	USD
CY2022Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4385000	USD
CY2021Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	601000	USD
CY2022Q1	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	3354000	USD
CY2022Q1	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-32821000	USD
CY2021Q1	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-21777000	USD
CY2022Q1	nhc	Increase Decrease In Due To Third Party Payors IncreaseDecreaseInDueToThirdPartyPayors	-276000	USD
CY2021Q1	nhc	Increase Decrease In Due To Third Party Payors IncreaseDecreaseInDueToThirdPartyPayors	-880000	USD
CY2022Q1	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	3365000	USD
CY2021Q1	us-gaap	Increase Decrease In Self Insurance Reserve IncreaseDecreaseInSelfInsuranceReserve	1945000	USD
CY2022Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-8927000	USD
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	134107000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	119743000	USD
CY2022Q1	nhc	Noncontrolling Interest Increase From Capital Contribution NoncontrollingInterestIncreaseFromCapitalContribution	250000	USD
CY2021Q1	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	7442000	USD
CY2022Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-10019000	USD
CY2021Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	0	USD
CY2022Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	1701000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	4331000	USD
CY2022Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1386000	USD
CY2021Q1	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1598000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-27457000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12589000	USD
CY2022Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8962000	USD
CY2021Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4327000	USD
CY2022Q1	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	224000	USD
CY2021Q1	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	255000	USD
CY2022Q1	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	14128000	USD
CY2021Q1	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	7866000	USD
CY2022Q1	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	16946000	USD
CY2021Q1	us-gaap	Proceeds From Sale Of Restricted Investments ProceedsFromSaleOfRestrictedInvestments	6086000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5920000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5852000	USD
CY2022Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1147000	USD
CY2021Q1	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1081000	USD
CY2022Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8493000	USD
CY2021Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7988000	USD
CY2022Q1	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	250000	USD
CY2021Q1	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	0	USD
CY2022Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2021Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	327000	USD
CY2022Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	146000	USD
CY2021Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	278000	USD
CY2022Q1	nhc	Entrance Fee Deposits Refunds EntranceFeeDepositsRefunds	-914000	USD
CY2021Q1	nhc	Entrance Fee Deposits Refunds EntranceFeeDepositsRefunds	-128000	USD
CY2022Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-10450000	USD
CY2021Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9148000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-43827000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2411000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	158502000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	75916000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	156091000	USD
CY2022Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	56993000	USD
CY2022Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	18923000	USD
CY2021Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21984000	USD
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75916000	USD
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	156091000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	798260000	USD
CY2021Q1	us-gaap	Profit Loss ProfitLoss	21308000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1922000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	496000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	327000	USD
CY2021Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	278000	USD
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	8003000	USD
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	810188000	USD
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5060000	USD
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	712000	USD
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	908460000	USD
CY2022Q1	us-gaap	Profit Loss ProfitLoss	15349000	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	6411000	USD
CY2022Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	146000	USD
CY2022Q1	us-gaap	Dividends Common Stock DividendsCommonStock	8509000	USD
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	911056000	USD
CY2022Q1	nhc	Number Of Skilled Nursing Centers NumberOfSkilledNursingCenters	75	pure
CY2022Q1	nhc	Number Of Beds NumberOfBeds	9456	pure
CY2022Q1	nhc	Number Of Assisted Living Facilities NumberOfAssistedLivingFacilities	24	pure
CY2022Q1	nhc	Number Of Independent Living Facilities NumberOfIndependentLivingFacilities	5	pure
CY2022Q1	nhc	Number Of Geriatric Psychiatric Hospitals NumberOfGeriatricPsychiatricHospitals	1	pure
CY2022Q1	nhc	Number Of Homecare Programs NumberOfHomecarePrograms	35	pure
CY2022Q1	nhc	Number Of Hospice Agencies NumberOfHospiceAgencies	29	pure
CY2022Q1	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	10	pure
CY2022Q1	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"><i>Estimates and Assumptions</i></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;text-indent:36pt;">The preparation of financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates and could cause our reported net income to vary significantly from period to period, including but <em style="font: inherit;">not</em> limited to, the potential future effects of the novel coronavirus (“COVID-<em style="font: inherit;">19”</em>).</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2022Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2536000	USD
CY2021Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	919000	USD
CY2022Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	6726000	USD
CY2022Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2022Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5787000	USD
CY2021Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5369000	USD
CY2022Q1	us-gaap	Contract With Customer Refund Liability ContractWithCustomerRefundLiability	6097000	USD
CY2021Q4	us-gaap	Contract With Customer Refund Liability ContractWithCustomerRefundLiability	7011000	USD
CY2022Q1	us-gaap	Continuing Care Retirement Communities Advance Fees Obligation For Future Services Amount ContinuingCareRetirementCommunitiesAdvanceFeesObligationForFutureServicesAmount	2338000	USD
CY2022Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;"><i>Reclassifications</i></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;">Certain accounts in the prior-year financial statements have been reclassified for comparative purposes to conform to the presentation in the current-year financial statements. </p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2020Q2	nhc	Proceeds From Medicare Accelerated And Advance Payment Program ProceedsFromMedicareAcceleratedAndAdvancePaymentProgram	51253000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5003000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15022000	USD
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	256337000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	216855000	USD
CY2022Q1	nhc	Revenue From Contract With Customer Including Assessed Tax Percentage RevenueFromContractWithCustomerIncludingAssessedTaxPercentage	1	pure
CY2021Q1	nhc	Revenue From Contract With Customer Including Assessed Tax Percentage RevenueFromContractWithCustomerIncludingAssessedTaxPercentage	1	pure
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5003000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15022000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	15022000	USD
CY2022Q1	nhc	Paymens Received Government Assistance Medicare Accelerated And Advance Payment Program PaymensReceivedGovernmentAssistanceMedicareAcceleratedAndAdvancePaymentProgram	0	USD
CY2022Q1	nhc	Government Assistance Medicare Accelerated And Advance Payment Program Payments Recouped GovernmentAssistanceMedicareAcceleratedAndAdvancePaymentProgramPaymentsRecouped	10019000	USD
CY2022Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	5003000	USD
CY2022Q1	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	5982000	USD
CY2021Q1	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	5647000	USD
CY2022Q1	nhc	Management And Accounting Services Fees Revenue ManagementAndAccountingServicesFeesRevenue	4304000	USD
CY2021Q1	nhc	Management And Accounting Services Fees Revenue ManagementAndAccountingServicesFeesRevenue	4324000	USD
CY2022Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1247000	USD
CY2021Q1	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1264000	USD
CY2022Q1	nhc	Miscellaneous Revenue MiscellaneousRevenue	493000	USD
CY2021Q1	nhc	Miscellaneous Revenue MiscellaneousRevenue	134000	USD
CY2022Q1	nhc	Other Revenues OtherRevenues	12026000	USD
CY2021Q1	nhc	Other Revenues OtherRevenues	11369000	USD
CY2021Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2911000	USD
CY2022Q1	nhc	Dividends And Other Net Realized Gains And Losses On Sales Of Securities DividendsAndOtherNetRealizedGainsAndLossesOnSalesOfSecurities	1753000	USD
CY2021Q1	us-gaap	Costs And Expenses CostsAndExpenses	235751000	USD
CY2021Q1	nhc	Dividends And Other Net Realized Gains And Losses On Sales Of Securities DividendsAndOtherNetRealizedGainsAndLossesOnSalesOfSecurities	1962000	USD
CY2022Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	992000	USD
CY2021Q1	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	1387000	USD
CY2022Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3199000	USD
CY2021Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6260000	USD
CY2022Q1	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	pure
CY2022Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	256337000	USD
CY2022Q1	nhc	Other Revenues OtherRevenues	12026000	USD
CY2022Q1	nhc	Government Assistance Stimulus Income Cares Act GovernmentAssistanceStimulusIncomeCaresAct	10620000	USD
CY2022Q1	us-gaap	Revenues Revenues	278983000	USD
CY2022Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	170694000	USD
CY2022Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	74085000	USD
CY2022Q1	us-gaap	Operating Lease Expense OperatingLeaseExpense	10065000	USD
CY2022Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9757000	USD
CY2022Q1	us-gaap	Interest Expense InterestExpense	165000	USD
CY2022Q1	us-gaap	Costs And Expenses CostsAndExpenses	264766000	USD
CY2022Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	14217000	USD
CY2022Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3199000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3126000	USD
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	20542000	USD
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	216855000	USD
CY2021Q1	nhc	Other Revenues OtherRevenues	11369000	USD
CY2021Q1	nhc	Government Assistance Stimulus Income Cares Act GovernmentAssistanceStimulusIncomeCaresAct	22749000	USD
CY2021Q1	us-gaap	Revenues Revenues	250973000	USD
CY2021Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	149159000	USD
CY2021Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	66124000	USD
CY2021Q1	us-gaap	Operating Lease Expense OperatingLeaseExpense	10063000	USD
CY2021Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10161000	USD
CY2021Q1	us-gaap	Interest Expense InterestExpense	244000	USD
CY2021Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	15222000	USD
CY2021Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6260000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	7059000	USD
CY2021Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	28541000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	5200000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	36046000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4767000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	35489000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	35033000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	34756000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	26704000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4888000	USD
CY2022Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	9967000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	172916000	USD
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15327520
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15390076
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	15318000	USD
CY2022Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	574000	USD
CY2022Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	22725000	USD
CY2022Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	9393000	USD
CY2022Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	150191000	USD
CY2022Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	4766000	USD
CY2022Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	28005000	USD
CY2022Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	4627000	USD
CY2022Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	122186000	USD
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15416836
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	15318000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	21267000	USD
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.39
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15416836
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15327520
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	47019
CY2021Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	62556
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15463855
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	21267000	USD
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	34236000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	34159000	USD
CY2022Q1	nhc	Marketable Securities Availableforsale Amortized Cost MarketableSecuritiesAvailableforsaleAmortizedCost	222931000	USD
CY2022Q1	us-gaap	Marketable Securities MarketableSecurities	306085000	USD
CY2021Q4	nhc	Marketable Securities Availableforsale Amortized Cost MarketableSecuritiesAvailableforsaleAmortizedCost	225705000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	312166000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	32718000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	32843000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	89482000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	87771000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	95293000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	96937000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	43491000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	40858000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	41580000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	41835000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	0	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	0	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	496000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	485000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	167209000	USD
CY2022Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	162788000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	170087000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	172100000	USD
CY2022Q1	nhc	Equity Securities Fv Ni Gross Unrealized Gain EquitySecuritiesFvNiGrossUnrealizedGain	88514000	USD
CY2021Q4	nhc	Equity Securities Fv Ni Gross Unrealized Gain EquitySecuritiesFvNiGrossUnrealizedGain	85394000	USD
CY2022Q1	nhc	Equity Securities Fv Ni Gross Unrealized Loss EquitySecuritiesFvNiGrossUnrealizedLoss	939000	USD
CY2021Q4	nhc	Equity Securities Fv Ni Gross Unrealized Loss EquitySecuritiesFvNiGrossUnrealizedLoss	946000	USD
CY2022Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	3126000	USD
CY2021Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	7059000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	484000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3189000	USD
CY2022Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4905000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1176000	USD
CY2022Q1	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	16946000	USD
CY2021Q1	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	6086000	USD
CY2022Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	45000	USD
CY2021Q1	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	0	USD
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	71.39
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	6000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	72.94
CY2022Q1	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	168295000	USD
CY2021Q1	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2021Q1	us-gaap	Goodwill Goodwill	168295000	USD
CY2022Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4432000	USD
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0163	pure
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0021	pure
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.3095	pure
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.3490	pure
CY2022Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M24D
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y2M12D
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0362	pure
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0300	pure
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	866956
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	72.11
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	55706
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	70.80
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	541736
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	374926
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	72.95
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	249640
CY2022Q1	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	64.15
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	157240
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	76.99
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	467326
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	66.88
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2085879	USD
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	172686
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	69.60
CY2022Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	567923	USD
CY2022Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
CY2022Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	66.88
CY2022Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P3Y6M
CY2022Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.253	pure
CY2022Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2022Q1	us-gaap	Self Insurance Reserve SelfInsuranceReserve	101413000	USD
CY2021Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	98048000	USD

Files In Submission

Name	View Source	Status
0001437749-22-011146-index-headers.html	Edgar Link	pending
0001437749-22-011146-index.html	Edgar Link	pending
0001437749-22-011146.txt	Edgar Link	pending
0001437749-22-011146-xbrl.zip	Edgar Link	pending
ex_365825.htm	Edgar Link	pending
ex_365826.htm	Edgar Link	pending
ex_365827.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
nhc-20220331.xsd	Edgar Link	pending
nhc-20220331_cal.xml	Edgar Link	unprocessable
nhc-20220331_def.xml	Edgar Link	unprocessable
nhc-20220331_lab.xml	Edgar Link	unprocessable
nhc-20220331_pre.xml	Edgar Link	unprocessable
nhc20220331_10q.htm	Edgar Link	pending
nhc20220331_10qimg001.jpg	Edgar Link	pending
nhc20220331_10q_htm.xml	Edgar Link	completed
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$NHC
NATIONAL HEALTHCARE CORP Stock $nhc

2022 Q1 Form 10-Q Financial Statement

#000143774922011146 Filed on May 05, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NHC NATIONAL HEALTHCARE CORP Stock $nhc

2022 Q1 Form 10-Q Financial Statement

#000143774922011146 Filed on May 05, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NHC
NATIONAL HEALTHCARE CORP Stock $nhc