$NHI
National Health Investors Inc Stock $nhi

$nhi Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000087786022000005 Filed on February 22, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$69.67M	$298.7M	$81.26M
YoY Change	-14.27%	-10.24%	-1.14%
Cost Of Revenue	$4.119M	$11.64M	$2.460M
YoY Change	67.44%	19.98%	54.72%
Gross Profit	$65.55M	$287.1M	$78.78M
YoY Change	-16.8%	-11.18%	-2.26%
Gross Profit Margin	94.09%	96.1%	96.95%
Selling, General & Admin	$3.982M	$20.13M	$3.580M
YoY Change	11.23%	33.29%	-6.28%
% of Gross Profit	6.07%	7.01%	4.54%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$19.30M	$80.80M	$21.10M
YoY Change	-8.54%	-2.83%	7.65%
% of Gross Profit	29.44%	28.15%	26.78%
Operating Expenses	$23.28M	$216.1M	$24.62M
YoY Change	-5.44%	33.61%	4.72%
Operating Profit	$42.27M	$70.94M	$54.16M
YoY Change	-21.96%	-56.06%	-5.13%
Interest Expense	-$11.55M	$50.81M	-$13.09M
YoY Change	-11.74%	-3.92%	-8.46%
% of Operating Profit	-27.33%	71.63%	-24.17%
Other Income/Expense, Net	$350.0K	$350.0K
YoY Change
Pretax Income	$6.505M	$112.0M	$37.16M
YoY Change	-82.49%	-39.58%	-11.61%
Income Tax
% Of Pretax Income
Net Earnings	$6.477M	$111.8M	$37.14M
YoY Change	-82.56%	-39.61%	-11.66%
Net Earnings / Revenue	9.3%	37.43%	45.71%
Basic Earnings Per Share		$2.45	$0.83
Diluted Earnings Per Share	$141.3K	$2.44	$0.83
COMMON SHARES
Basic Shares Outstanding	45.85M shares	45.71M shares	44.86M shares
Diluted Shares Outstanding		45.73M shares	44.86M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$37.41M	$37.41M	$43.30M
YoY Change	-13.6%	-13.6%	732.69%
Cash & Equivalents	$37.41M	$37.41M	$43.34M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$3.210M	$3.210M	$2.594M
Other Receivables		$96.20M	$95.70M
Total Short-Term Assets	$133.6M	$136.8M	$141.6M
YoY Change	-5.64%	-3.38%	49.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.318B	$2.318B	$2.667B
YoY Change	-13.1%	-13.1%	4.18%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$5.000M		$2.250M
YoY Change	122.22%
Other Assets	$68.47M	$68.47M	$3.000M
YoY Change	2182.37%	2182.37%	-89.62%
Total Long-Term Assets	$2.705B	$2.702B	$2.979B
YoY Change	-9.19%	-9.29%	1.06%
TOTAL ASSETS
Total Short-Term Assets	$133.6M	$136.8M	$141.6M
Total Long-Term Assets	$2.705B	$2.702B	$2.979B
Total Assets	$2.839B	$2.839B	$3.120B
YoY Change	-9.02%	-9.02%	2.57%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$23.18M	$23.18M	$25.20M
YoY Change	-8.01%	-8.01%	-4.18%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$73.29M	$73.29M	$85.70M
YoY Change	-14.49%	-14.49%	2.27%
LONG-TERM LIABILITIES
Long-Term Debt	$1.243B	$1.243B	$1.499B
YoY Change	-17.1%	-17.1%	4.08%
Other Long-Term Liabilities	$5.725M	$5.725M	$12.60M
YoY Change	-54.56%	-54.56%	-36.36%
Total Long-Term Liabilities	$1.249B	$1.249B	$1.512B
YoY Change	-17.41%	-17.41%	3.53%
TOTAL LIABILITIES
Total Short-Term Liabilities	$73.29M	$73.29M	$85.70M
Total Long-Term Liabilities	$1.249B	$1.249B	$1.512B
Total Liabilities	$1.322B	$1.332B	$1.598B
YoY Change	-17.25%	-17.19%	3.47%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$1.592B		$1.541B
YoY Change	3.26%		2.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.507B	$1.507B	$1.512B
YoY Change
Total Liabilities & Shareholders Equity	$2.839B	$2.839B	$3.120B
YoY Change	-9.02%	-9.02%	2.57%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$6.477M	$111.8M	$37.14M
YoY Change	-82.56%	-39.61%	-11.66%
Depreciation, Depletion And Amortization	$19.30M	$80.80M	$21.10M
YoY Change	-8.54%	-2.83%	7.65%
Cash From Operating Activities	$53.36M	$210.9M	$55.60M
YoY Change	-4.03%	-9.17%	-1.07%
INVESTING ACTIVITIES
Capital Expenditures	$0.00	$50.35M	$0.00
YoY Change		-56.87%	-100.0%
Acquisitions
YoY Change
Other Investing Activities	$21.92M	$232.1M	-$6.300M
YoY Change	-447.92%	1685.34%	-77.17%
Cash From Investing Activities	$21.92M	$185.3M	-$6.300M
YoY Change	-447.92%	-306.52%	-83.24%
FINANCING ACTIVITIES
Cash Dividend Paid		$182.9M
YoY Change		-6.0%
Common Stock Issuance & Retirement, Net		$47.90M
YoY Change		38.44%
Debt Paid & Issued, Net		$293.3M
YoY Change		570.76%
Cash From Financing Activities	-85.99M	-$403.0M	-54.10M
YoY Change	58.94%	260.58%	181.77%
NET CHANGE
Cash From Operating Activities	53.36M	$210.9M	55.60M
Cash From Investing Activities	21.92M	$185.3M	-6.300M
Cash From Financing Activities	-85.99M	-$403.0M	-54.10M
Net Change In Cash	-10.71M	-$6.858M	-4.800M
YoY Change	123.13%	-122.36%	700.0%
FREE CASH FLOW
Cash From Operating Activities	$53.36M	$210.9M	$55.60M
Capital Expenditures	$0.00	$50.35M	$0.00
Free Cash Flow	$53.36M	$160.5M	$55.60M
YoY Change	-4.03%	39.06%	-16.01%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000877860
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45850599	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45185992	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45850599	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45185992	shares
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.8025
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.41
CY2021	dei	Entity File Number EntityFileNumber	001-10822
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.20
CY2021Q4	us-gaap	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P5Y0M0D
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity Registrant Name EntityRegistrantName	National Health Investors Inc
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	62-1470956
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	222 Robert Rose Drive
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Murfreesboro
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	37129
CY2021	dei	City Area Code CityAreaCode	(615)
CY2021	dei	Local Phone Number LocalPhoneNumber	890-9100
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
CY2021	dei	Trading Symbol TradingSymbol	NHI
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	2937844000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	45850599	shares
CY2021	dei	Auditor Name AuditorName	BDO USA, LLP
CY2021	dei	Auditor Location AuditorLocation	Nashville, Tennessee
CY2021Q4	us-gaap	Land Land	186658000	USD
CY2020Q4	us-gaap	Land Land	220361000	USD
CY2021Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	2707422000	USD
CY2020Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	3041616000	USD
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	468000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	3093000	USD
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2894548000	USD
CY2020Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	3265070000	USD
CY2021Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	576668000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	597638000	USD
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2317880000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2667432000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5210000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	299952000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	292427000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	37412000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43344000	USD
CY2021Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	96198000	USD
CY2020Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	95703000	USD
CY2021Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	66398000	USD
CY2020Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group AssetsHeldForSaleNotPartOfDisposalGroup	0	USD
CY2021Q4	us-gaap	Deferred Costs And Other Assets DeferredCostsAndOtherAssets	21036000	USD
CY2020Q4	us-gaap	Deferred Costs And Other Assets DeferredCostsAndOtherAssets	21583000	USD
CY2021Q4	us-gaap	Assets Assets	2838876000	USD
CY2020Q4	us-gaap	Assets Assets	3120489000	USD
CY2021Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1242883000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1499285000	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	23181000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	25189000	USD
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	41266000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	49818000	USD
CY2021Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	8838000	USD
CY2020Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	10638000	USD
CY2021Q4	us-gaap	Deferred Revenue DeferredRevenue	5725000	USD
CY2020Q4	us-gaap	Deferred Revenue DeferredRevenue	12614000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	1321893000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	1597544000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	459000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	452000	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1591182000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1540946000	USD
CY2021Q4	us-gaap	Cumulative Earnings Deficit CumulativeEarningsDeficit	-84558000	USD
CY2020Q4	us-gaap	Cumulative Earnings Deficit CumulativeEarningsDeficit	-22015000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7149000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1507083000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	9900000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	10711000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1516983000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1522945000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1512234000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2838876000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3120489000	USD
CY2021	us-gaap	Lease Income LeaseIncome	271049000	USD
CY2020	us-gaap	Lease Income LeaseIncome	307208000	USD
CY2019	us-gaap	Lease Income LeaseIncome	294182000	USD
CY2021	us-gaap	Interest Income Operating InterestIncomeOperating	27666000	USD
CY2020	us-gaap	Interest Income Operating InterestIncomeOperating	25603000	USD
CY2019	us-gaap	Interest Income Operating InterestIncomeOperating	23899000	USD
CY2021	us-gaap	Revenues Revenues	298715000	USD
CY2020	us-gaap	Revenues Revenues	332811000	USD
CY2019	us-gaap	Revenues Revenues	318081000	USD
CY2021	us-gaap	Depreciation Depreciation	80798000	USD
CY2020	us-gaap	Depreciation Depreciation	83150000	USD
CY2019	us-gaap	Depreciation Depreciation	76816000	USD
CY2021	us-gaap	Interest Expense InterestExpense	50810000	USD
CY2020	us-gaap	Interest Expense InterestExpense	52882000	USD
CY2019	us-gaap	Interest Expense InterestExpense	56299000	USD
CY2021	us-gaap	Legal Fees LegalFees	908000	USD
CY2020	us-gaap	Legal Fees LegalFees	1252000	USD
CY2019	us-gaap	Legal Fees LegalFees	507000	USD
CY2021	nhi	Franchise Excise And Other Taxes FranchiseExciseAndOtherTaxes	788000	USD
CY2020	nhi	Franchise Excise And Other Taxes FranchiseExciseAndOtherTaxes	534000	USD
CY2019	nhi	Franchise Excise And Other Taxes FranchiseExciseAndOtherTaxes	1550000	USD
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18431000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	13304000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	13399000	USD
CY2021	nhi	Lessor Property Costs Paid From Tenant Escrow LessorPropertyCostsPaidFromTenantEscrow	11638000	USD
CY2020	nhi	Lessor Property Costs Paid From Tenant Escrow LessorPropertyCostsPaidFromTenantEscrow	9653000	USD
CY2019	nhi	Lessor Property Costs Paid From Tenant Escrow LessorPropertyCostsPaidFromTenantEscrow	5798000	USD
CY2021	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	52766000	USD
CY2020	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	991000	USD
CY2019	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	2440000	USD
CY2021	us-gaap	Operating Expenses OperatingExpenses	216139000	USD
CY2020	us-gaap	Operating Expenses OperatingExpenses	161766000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	156809000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1912000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3924000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-823000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1545000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3126000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	32498000	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	21316000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
CY2021	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	350000	USD
CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	0	USD
CY2021	us-gaap	Profit Loss ProfitLoss	111967000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	185311000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	160449000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	163000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	185000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-7000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	111804000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	185126000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	160456000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45714221	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44696285	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43417828	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45729497	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44698004	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43703248	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.14
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.14
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.67
CY2021	us-gaap	Profit Loss ProfitLoss	111967000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	185311000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	160449000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-137000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-10047000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-3940000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-7286000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-6330000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	791000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7149000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3717000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4731000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	119116000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	181594000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	155718000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	163000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	185000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-7000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	118953000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	181409000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	155725000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	111967000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	185311000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	160449000	USD
CY2021	us-gaap	Depreciation Depreciation	80798000	USD
CY2020	us-gaap	Depreciation Depreciation	83150000	USD
CY2019	us-gaap	Depreciation Depreciation	76816000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4354000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5392000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5117000	USD
CY2021	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	729000	USD
CY2020	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	867000	USD
CY2019	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	493000	USD
CY2021	nhi	Amortization Of Lease Inducement AmortizationOfLeaseInducement	1026000	USD
CY2020	nhi	Amortization Of Lease Inducement AmortizationOfLeaseInducement	987000	USD
CY2019	nhi	Amortization Of Lease Inducement AmortizationOfLeaseInducement	845000	USD
CY2021	us-gaap	Straight Line Rent StraightLineRent	14603000	USD
CY2020	us-gaap	Straight Line Rent StraightLineRent	20411000	USD
CY2019	us-gaap	Straight Line Rent StraightLineRent	22084000	USD
CY2021	us-gaap	Other Noncash Income OtherNoncashIncome	2614000	USD
CY2020	us-gaap	Other Noncash Income OtherNoncashIncome	3839000	USD
CY2019	us-gaap	Other Noncash Income OtherNoncashIncome	2204000	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	32498000	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	21316000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1912000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3924000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-823000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1545000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3126000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2021	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	52766000	USD
CY2020	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	991000	USD
CY2019	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	2440000	USD
CY2021	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	1042000	USD
CY2020	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	623000	USD
CY2019	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	3100000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8415000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3061000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3646000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4050000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-160000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1604000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3352000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-6681000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	300000	USD
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	260000	USD
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-217000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	16796000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	210859000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	232148000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	240955000	USD
CY2021	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	72236000	USD
CY2020	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	58356000	USD
CY2019	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	108232000	USD
CY2021	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	67790000	USD
CY2020	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	46612000	USD
CY2019	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	2897000	USD
CY2021	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	46817000	USD
CY2020	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	102712000	USD
CY2019	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	219187000	USD
CY2021	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	238864000	USD
CY2020	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	39631000	USD
CY2019	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	0	USD
CY2021	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	3465000	USD
CY2020	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	13854000	USD
CY2019	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	17999000	USD
CY2021	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	64000	USD
CY2020	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	158000	USD
CY2019	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	0	USD
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	875000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	1205000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	185277000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-89712000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-342521000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	95000000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	205000000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	397000000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	393000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	207000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	181000000	USD
CY2021	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	0	USD
CY2020	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	100000000	USD
CY2019	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	0	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	293316000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	43729000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1187000	USD
CY2021	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	396784000	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1462000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1619000	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5018000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1039000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	126000	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	910000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	748000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	15000	USD
CY2021	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	13000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	643000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2705000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1559000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	47904000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	34649000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	95774000	USD
CY2021	us-gaap	Payments For Repurchase Of Redeemable Convertible Preferred Stock PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock	66076000	USD
CY2020	us-gaap	Payments For Repurchase Of Redeemable Convertible Preferred Stock PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Convertible Preferred Stock PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock	22468000	USD
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	182900000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	194584000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	179739000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-402994000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-111762000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	107323000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-6858000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	30674000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	5757000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46343000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15669000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9912000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39485000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46343000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15669000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	43680000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	43406000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	54027000	USD
CY2021	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2020	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2019	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	38000000	USD
CY2021	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	0	USD
CY2020	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	63220000	USD
CY2019	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	14000000	USD
CY2021	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2020	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	10778000	USD
CY2019	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2021	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	0	USD
CY2020	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	4000000	USD
CY2019	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	0	USD
CY2021	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	0	USD
CY2020	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	348000	USD
CY2019	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	291000	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Other Assets Acquired1 NoncashOrPartNoncashAcquisitionOtherAssetsAcquired1	33000	USD
CY2021	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	-62000	USD
CY2020	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	0	USD
CY2019	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	-1082000	USD
CY2021	nhi	Changein Accounts Payable Investmentsin Real Estate Acquisition ChangeinAccountsPayableInvestmentsinRealEstateAcquisition	0	USD
CY2020	nhi	Changein Accounts Payable Investmentsin Real Estate Acquisition ChangeinAccountsPayableInvestmentsinRealEstateAcquisition	0	USD
CY2019	nhi	Changein Accounts Payable Investmentsin Real Estate Acquisition ChangeinAccountsPayableInvestmentsinRealEstateAcquisition	2911000	USD
CY2021	nhi	Change In Accounts Payable Renovations Of Existing Real Estate ChangeInAccountsPayableRenovationsOfExistingRealEstate	0	USD
CY2020	nhi	Change In Accounts Payable Renovations Of Existing Real Estate ChangeInAccountsPayableRenovationsOfExistingRealEstate	784000	USD
CY2019	nhi	Change In Accounts Payable Renovations Of Existing Real Estate ChangeInAccountsPayableRenovationsOfExistingRealEstate	0	USD
CY2021	nhi	Change In Accounts Payable Related To Distributions To Noncontrolling Interests ChangeInAccountsPayableRelatedToDistributionsToNoncontrollingInterests	64000	USD
CY2020	nhi	Change In Accounts Payable Related To Distributions To Noncontrolling Interests ChangeInAccountsPayableRelatedToDistributionsToNoncontrollingInterests	138000	USD
CY2019	nhi	Change In Accounts Payable Related To Distributions To Noncontrolling Interests ChangeInAccountsPayableRelatedToDistributionsToNoncontrollingInterests	0	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1389713000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	643000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	15000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	155718000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	95774000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	38186000	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1559000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3646000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	183855000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1498252000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	10791000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	886000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	181594000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	34649000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2705000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3061000	USD
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	197585000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1522945000	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	974000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	119116000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt Subsequent Adjustments AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtSubsequentAdjustments	47904000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	6076000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8415000	USD
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	174347000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1516983000	USD
CY2021Q4	nhi	Real Estate Investment Property Portfolio Assets RealEstateInvestmentPropertyPortfolioAssets	2900000000	USD
CY2021Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	198	numberOfProperty
CY2021Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	33	USD
CY2021Q4	nhi	Number Of Lessees NumberOfLessees	31
CY2021Q4	nhi	Number Of Health Care Properties Related To Mortgage Notes Receivables NumberOfHealthCarePropertiesRelatedToMortgageNotesReceivables	14	numberOfBedOrUnitInTheProperty
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	305200000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5200000	USD
CY2021Q4	nhi	Variable Interest Entity Number Of Entities Not Primary Beneficiary VariableInterestEntityNumberOfEntitiesNotPrimaryBeneficiary	10	numberOfProperty
CY2021Q4	nhi	Number Of Partnerships Consoldidated NumberOfPartnershipsConsoldidated	2	numberOfProperty
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Use of Estimates -</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the U.S. requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, 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.</span>
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	300000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	37412000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43344000	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	2073000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	2999000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39485000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46343000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Concentration of Credit Risks</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Our credit risks primarily relate to cash and cash equivalents and investments in mortgage and other notes receivable. Cash and cash equivalents are primarily held in bank accounts and overnight investments. We maintain our bank deposit accounts with large financial institutions in amounts that often exceed federally insured limits. We have not experienced any losses in such accounts. Our mortgages and other notes receivable consist primarily of secured loans on facilities. </span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our financial instruments, principally our investments in notes receivable, are subject to the possibility of loss of the carrying values as a result of the failure of other parties to perform according to their contractual obligations which may make the instruments less valuable. We obtain collateral in the form of mortgage liens and other protective rights for notes receivable and continually monitor these rights in order to reduce such possibilities of loss. We evaluate the need to provide for reserves for potential losses on our financial instruments based on management’s periodic review of our portfolio on an instrument-by-instrument basis.</span></div>
CY2021	us-gaap	Revenue Recognition Deferred Revenue RevenueRecognitionDeferredRevenue	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Deferred Income</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Deferred income primarily includes rents received in advance from tenants and non-refundable commitment fees received by us, which are amortized into income over the expected period of the related loan or lease. In the event that our financing commitment to a potential borrower or lessee expires, the related commitment fees are recognized into income immediately. Commitment fees may be charged based on the terms of the lease agreements and the creditworthiness of the parties.</span>
CY2021	us-gaap	Revenue Recognition Leases RevenueRecognitionLeases	<div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Rental Income</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> - Our leases generally provide for rent escalators throughout the term of the lease. Base rental income is recognized using the straight-line method over the term of the lease to the extent that lease payments are considered collectible and the lease provides for specific contractual escalators. Under certain leases, we receive additional contingent rent, which is calculated on the increase in revenues of the lessee over a base year or base quarter. We recognize contingent rent annually or quarterly based on the actual revenues of the lessee once the target threshold has been achieved. Lease payments that depend on a factor directly related to future use of the property, such as an increase in annual revenues over a base year, are considered to be contingent rentals and are excluded from the schedule of minimum lease payments.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">If rental income calculated on a straight-line basis exceeds the cash rent due under a lease, the difference is recorded as an increase to straight-line rent receivable in the Consolidated Balance Sheets and an increase in rental income in the Consolidated Statements of Income. If rental income on a straight-line basis is calculated to be less than cash received, there is a decrease in the same accounts.</span></div><div style="text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Property operating expenses that are reimbursed by our operators are recorded as </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Rental income. </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Accordingly, we record a corresponding </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Taxes and insurance on leased properties expense </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">in the Consolidated Statements of Income. Rental income includes reimbursement of property operating expenses for the years ended December 2021, 2020 and 2019, totaling $11.6 million, $9.7 million and $5.8 million, respectively.</span></div><div style="text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Rental income is reduced for the non-cash amortization of payments made upon the eventual settlement of commitments and contingencies originally identified and recorded as lease inducements. We record lease inducements to the extent that it is </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">probable that a significant reversal of amounts recognized will not occur when the uncertainty associated with the contingent consideration is subsequently resolved.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company reviews its operating lease receivables for collectability on a regular basis, taking into consideration changes in factors such as the tenant’s payment history, the financial condition of the tenant, business conditions in which the tenant operates and economic conditions in the area where the property is located. In the event that collectability with respect to any tenant is not probable, a direct write-off of the receivable is made as an adjustment to rental income and any future rental revenue is recognized only when the tenant makes a rental payment.</span></div><div style="text-align:justify;text-indent:13.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">During the third quarter of 2021, we placed Holiday Retirement (“Holiday”) on cash basis because of unpaid contractual rent due. Rent due but uncollected and unrecognized for the year ended December 31, 2021, excluding penalties and interest, totaled $11.4 million.</span></div>
CY2021	us-gaap	Revenue Recognition Interest RevenueRecognitionInterest	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Interest Income</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">from Mortgage and Other Notes Receivable </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">- Interest income is recognized based on the interest rates and principal amounts outstanding on the notes receivable. We identify a mortgage loan as non-performing if a required payment is not received within 30 days of the date it is due. Our policy related to mortgage interest income on non-performing mortgage loans is to recognize mortgage interest income in the period when the cash is received. As of December 31, 2021, we did not identify any of our mortgages as non-performing.</span>
CY2021	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	238864000	USD
CY2021Q4	nhi	Nonportfolio Assets Original Cost NonportfolioAssetsOriginalCost	2600000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	2999000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5200000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	305162000	USD
CY2021	us-gaap	Revenues Revenues	298715000	USD
CY2020	us-gaap	Revenues Revenues	332811000	USD
CY2019	us-gaap	Revenues Revenues	318081000	USD
CY2021	nhi	Minimum Holding Period After Purchase Option Exercise MinimumHoldingPeriodAfterPurchaseOptionExercise	P1Y
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	268096000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	261788000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	258381000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	259664000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	263620000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	1092671000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	2404220000	USD
CY2021	us-gaap	Lease Income LeaseIncome	271049000	USD
CY2020	us-gaap	Lease Income LeaseIncome	307208000	USD
CY2019	us-gaap	Lease Income LeaseIncome	294182000	USD
CY2021Q4	nhi	Number Of Health Care Properties Related To Mortgage Notes Receivables NumberOfHealthCarePropertiesRelatedToMortgageNotesReceivables	14	numberOfProperty
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5200000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4900000	USD
CY2021Q4	nhi	Number Of Construction Loans NumberOfConstructionLoans	3	numberOfLoan
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5210000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	299952000	USD
CY2021Q4	nhi	Probability Of Default Increase Current Conditions Adjustment ProbabilityOfDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2021Q4	nhi	Probability Of Default Increase Current Conditions Adjustment ProbabilityOfDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2021Q4	nhi	Estimated Credit Losses Current Conditions Adjustment Combined EstimatedCreditLossesCurrentConditionsAdjustmentCombined	0.44
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	457000	USD
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	193000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	5210000	USD
CY2021	nhi	Debt Leverage Limit Coupon Change Trigger DebtLeverageLimitCouponChangeTrigger	0.50
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1500000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3100000	USD
CY2021Q4	us-gaap	Equity Method Investments EquityMethodInvestments	5000000	USD
CY2021Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	15200000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3210000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2594000	USD
CY2021Q4	us-gaap	Incentive To Lessee IncentiveToLessee	9545000	USD
CY2020Q4	us-gaap	Incentive To Lessee IncentiveToLessee	9782000	USD
CY2021Q4	us-gaap	Escrow Deposit EscrowDeposit	6208000	USD
CY2020Q4	us-gaap	Escrow Deposit EscrowDeposit	6208000	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	2073000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	21036000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	21583000	USD
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	298000000	USD
CY2021Q4	us-gaap	Convertible Debt ConvertibleDebt	0	USD
CY2020Q4	us-gaap	Convertible Debt ConvertibleDebt	60000000	USD
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	6234000	USD
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4069000	USD
CY2021Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1242883000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1499285000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Rolling Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths	75389000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo	475408000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	75425000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour	125816000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive	497079000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1249117000	USD
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	6234000	USD
CY2021Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1242883000	USD
CY2021Q4	nhi	Credit Facility Current Revolving Borrowing Capacity CreditFacilityCurrentRevolvingBorrowingCapacity	550000000	USD
CY2021	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0025
CY2021Q4	nhi	Debt Instrument Variable Rate Basis Minimum DebtInstrumentVariableRateBasisMinimum	10
CY2020Q4	nhi	Debt Instrument Variable Rate Basis Minimum DebtInstrumentVariableRateBasisMinimum	14
CY2021Q4	us-gaap	Unsecured Debt UnsecuredDebt	400000000	USD
CY2020	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	254000	USD
CY2021	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	67100000	USD
CY2021Q4	us-gaap	Debt Instrument Convertible Liquidation Preference Value DebtInstrumentConvertibleLiquidationPreferenceValue	6100000	USD
CY2021	nhi	Conversion Of Convertible Debt ConversionOfConvertibleDebt	73100000	USD
CY2021Q4	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	51000000	USD
CY2019	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	60300000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-800000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-7100000	USD
CY2021	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	40866000	USD
CY2020	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	43458000	USD
CY2019	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	53923000	USD
CY2021	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	7286000	USD
CY2020	us-gaap	Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6330000	USD
CY2019	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	791000	USD
CY2021	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	40000	USD
CY2019	us-gaap	Interest Expense InterestExpense	56299000	USD
CY2019	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	399000	USD
CY2021	nhi	Amortization Of Financing Costs Exclusive Of Amounts Written Off AmortizationOfFinancingCostsExclusiveOfAmountsWrittenOff	2698000	USD
CY2020	nhi	Amortization Of Financing Costs Exclusive Of Amounts Written Off AmortizationOfFinancingCostsExclusiveOfAmountsWrittenOff	3348000	USD
CY2019	nhi	Amortization Of Financing Costs Exclusive Of Amounts Written Off AmortizationOfFinancingCostsExclusiveOfAmountsWrittenOff	3566000	USD
CY2021	us-gaap	Interest Expense InterestExpense	50810000	USD
CY2020	us-gaap	Interest Expense InterestExpense	52882000	USD
CY2021	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	274700000	USD
CY2021Q4	nhi	Notes Receivable Funding Commitment NotesReceivableFundingCommitment	75279000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	270000	USD
CY2021	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	685000	USD
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	955000	USD
CY2021Q4	nhi	Maximum Commitment For All Active Development Projects MaximumCommitmentForAllActiveDevelopmentProjects	31345000	USD
CY2021Q4	us-gaap	Development In Process DevelopmentInProcess	23480000	USD
CY2021Q4	nhi	Remaining Unfunded Development Commitment RemainingUnfundedDevelopmentCommitment	7865000	USD
CY2021Q4	nhi	Contingent Funding Commitment ContingentFundingCommitment	33850000	USD
CY2021Q4	nhi	Contingent Funding Commitment Amount Funded ContingentFundingCommitmentAmountFunded	1500000	USD
CY2021Q4	nhi	Contingent Funding Commitment Remaining Unfunded Amount ContingentFundingCommitmentRemainingUnfundedAmount	32350000	USD
CY2021	us-gaap	Other Income OtherIncome	300000	USD
CY2021	us-gaap	Litigation Settlement Amount Awarded From Other Party LitigationSettlementAmountAwardedFromOtherParty	400000	USD
CY2021Q4	nhi	At The Market Shelf Registration Equity Offering Sales Agreement Aggregate Sales Price AtTheMarketShelfRegistrationEquityOfferingSalesAgreementAggregateSalesPrice	500000000	USD
CY2021	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	661951	shares
CY2021Q4	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	73.62
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	47900000	USD
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	535990	shares
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	34600000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8415000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3061000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3646000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.54
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.57
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.30
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.067
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.051
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.055
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.481
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.171
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.182
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M24D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M24D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y8M12D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0033
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0130
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0239
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	920346	shares
CY2018Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	69.24
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1004014	shares
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	74.35
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1033838	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	83.54
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1652505	shares
CY2021Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	78.10
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y4M13D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5700000	USD
CY2019	nhi	Aggregate Intrinsic Value Per Share Options Exercised AggregateIntrinsicValuePerShareOptionsExercised	11.28
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1169991	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	79.12
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y29D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1652505	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	3769841	shares
CY2020Q4	nhi	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber	431844	shares
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.79
CY2021Q4	nhi	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber	482514	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	7.51
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	1800000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	200000	USD
CY2021	nhi	Aggregate Intrinsic Value Per Share Options Exercised AggregateIntrinsicValuePerShareOptionsExercised	9.27
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8100000	USD
CY2020	nhi	Aggregate Intrinsic Value Per Share Options Exercised AggregateIntrinsicValuePerShareOptionsExercised	15.84
CY2021	us-gaap	Net Income Loss NetIncomeLoss	111804000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	185126000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	160456000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45714221	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44696285	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43417828	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	45714221	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	44696285	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	43417828	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4823	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1719	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	75196	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	10453	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	210224	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45729497	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44698004	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43703248	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.14
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.14
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.67
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	383716	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	390596	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4678	shares
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	3.8025
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.41
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.20
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	600000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	900000	USD
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	100000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	3.8025
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.41
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.20
CY2021	dei	Auditor Firm AuditorFirmId	243
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	237186000	USD
CY2021Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	77038000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	186658000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	2655217000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	52673000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	186658000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	2707890000	USD
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2894548000	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	576668000	USD
CY2021	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P40Y
CY2021	nhi	Entity Incorporate Date Of Incorporation Year EntityIncorporateDateOfIncorporationYear	1991
CY2021Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	2395000000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3265070000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3074846000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2818365000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	50346000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	116724000	USD
CY2021	nhi	Change In Accounts Payable Real Property Additions ChangeInAccountsPayableRealPropertyAdditions	-388000	USD
CY2020	nhi	Change In Accounts Payable Real Property Additions ChangeInAccountsPayableRealPropertyAdditions	-784000	USD
CY2019	nhi	Change In Accounts Payable Real Property Additions ChangeInAccountsPayableRealPropertyAdditions	1829000	USD
CY2020Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	0	USD
CY2019Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	34826000	USD
CY2020	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2021	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	0	USD
CY2020	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	348000	USD
CY2019	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	292000	USD
CY2021	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2020	nhi	Additions Through Assumption Of Debt AdditionsThroughAssumptionOfDebt	10778000	USD
CY2019	nhi	Additions Through Assumption Of Debt AdditionsThroughAssumptionOfDebt	0	USD
CY2021	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2019	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	38000000	USD
CY2021	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	0	USD
CY2020	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	63220000	USD
CY2019	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	14000000	USD
CY2021	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	276429000	USD
CY2020	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	62000	USD
CY2019	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	0	USD
CY2021Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	137651000	USD
CY2021	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	33160000	USD
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	6400000	USD
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2894548000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3265070000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3074846000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	597638000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	514453000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	451483000	USD
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	80798000	USD
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	83150000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	76816000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	36000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	0	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	60000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	70063000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	35000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	597638000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	31741000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	13906000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	0	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	0	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	0	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	576668000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	514453000	USD
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	230927000	USD
CY2021Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	0	USD
CY2021Q4	srt	Mortgage Loans On Real Estate Federal Income Tax Basis1 MortgageLoansOnRealEstateFederalIncomeTaxBasis1	248173000	USD
CY2021Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	698000	USD
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	259491000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	294120000	USD
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	202877000	USD
CY2020	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	806000	USD
CY2019	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	440000	USD
CY2021	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	33901000	USD
CY2020	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	55865000	USD
CY2020	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	55059000	USD
CY2019	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	105345000	USD
CY2021	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	741000	USD
CY2019	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	105785000	USD
CY2021	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	0	USD
CY2020	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	222000	USD
CY2019	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	108000	USD
CY2021	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	0	USD
CY2020	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	63220000	USD
CY2019	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	14000000	USD
CY2021	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	62465000	USD
CY2020	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	27052000	USD
CY2019	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	434000	USD
CY2021	nhi	Mortgage Loans On Real Estate Total Deductions MortgageLoansOnRealEstateTotalDeductions	62465000	USD
CY2020	nhi	Mortgage Loans On Real Estate Total Deductions MortgageLoansOnRealEstateTotalDeductions	90494000	USD
CY2019	nhi	Mortgage Loans On Real Estate Total Deductions MortgageLoansOnRealEstateTotalDeductions	14542000	USD
CY2021Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	230927000	USD
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	259491000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	294120000	USD

Files In Submission

Name	View Source	Status
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$NHI
National Health Investors Inc Stock $nhi

2021 Q4 Form 10-K Financial Statement

#000087786022000005 Filed on February 22, 2022

Income Statement

Balance Sheet

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$NHI National Health Investors Inc Stock $nhi

2021 Q4 Form 10-K Financial Statement

#000087786022000005 Filed on February 22, 2022

Income Statement

Balance Sheet

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Facts In Submission

Files In Submission

$NHI
National Health Investors Inc Stock $nhi