$NHI
National Health Investors Inc Stock $nhi

$nhi Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000087786021000015 Filed on February 22, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$81.26M	$82.20M	$81.68M
YoY Change	-1.14%	11.08%	9.03%
Cost Of Revenue	$2.460M	$1.590M	$1.610M
YoY Change	54.72%
Gross Profit	$78.78M	$80.60M	$80.07M
YoY Change	-2.26%
Gross Profit Margin	96.95%	98.06%	98.03%
Selling, General & Admin	$3.580M	$3.820M	$2.960M
YoY Change	-6.28%	39.93%	-13.2%
% of Gross Profit	4.54%	4.74%	3.7%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$21.10M	$19.60M	$19.70M
YoY Change	7.65%	8.89%	8.49%
% of Gross Profit	26.78%	24.32%	24.6%
Operating Expenses	$24.62M	$23.51M	$38.93M
YoY Change	4.72%	13.08%	14.71%
Operating Profit	$54.16M	$57.09M	$42.76M
YoY Change	-5.13%		4.33%
Interest Expense	-$13.09M	-$14.30M	$14.66M
YoY Change	-8.46%	11.28%	18.48%
% of Operating Profit	-24.17%	-25.05%	34.29%
Other Income/Expense, Net
YoY Change
Pretax Income	$37.16M	$42.04M	$42.76M
YoY Change	-11.61%	13.38%	4.34%
Income Tax
% Of Pretax Income
Net Earnings	$37.14M	$42.04M	$42.76M
YoY Change	-11.66%	13.37%	4.34%
Net Earnings / Revenue	45.71%	51.15%	52.35%
Basic Earnings Per Share	$0.83	$0.95	$0.98
Diluted Earnings Per Share	$0.83	$0.95	$0.97
COMMON SHARES
Basic Shares Outstanding	44.86M shares	44.11M shares	43.51M shares
Diluted Shares Outstanding	44.86M shares	44.33M shares	43.86M shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$43.30M	$5.200M	$5.900M
YoY Change	732.69%	10.64%	126.92%
Cash & Equivalents	$43.34M	$5.215M	$5.882M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$2.594M	$3.212M	$3.100M
Other Receivables	$95.70M	$86.10M	$82.60M
Total Short-Term Assets	$141.6M	$94.50M	$91.60M
YoY Change	49.84%	-19.02%	-28.72%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.667B	$2.560B	$2.565B
YoY Change	4.18%	8.18%	8.07%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$2.250M	$0.00
YoY Change
Other Assets	$3.000M	$28.90M	$28.80M
YoY Change	-89.62%	445.28%	487.76%
Total Long-Term Assets	$2.979B	$2.948B	$2.928B
YoY Change	1.06%	11.92%	15.15%
TOTAL ASSETS
Total Short-Term Assets	$141.6M	$94.50M	$91.60M
Total Long-Term Assets	$2.979B	$2.948B	$2.928B
Total Assets	$3.120B	$3.042B	$3.019B
YoY Change	2.57%	10.6%	13.04%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$25.20M	$26.30M	$27.40M
YoY Change	-4.18%	32.16%	45.74%
Accrued Expenses			$1.200M
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	$85.70M	$83.80M	$85.40M
YoY Change	2.27%	14.48%	3.77%
LONG-TERM LIABILITIES
Long-Term Debt	$1.499B	$1.441B	$1.449B
YoY Change	4.08%	12.39%	18.79%
Other Long-Term Liabilities	$12.60M	$19.80M	$21.60M
YoY Change	-36.36%	230.0%	315.38%
Total Long-Term Liabilities	$1.512B	$1.460B	$1.471B
YoY Change	3.53%	13.4%	20.05%
TOTAL LIABILITIES
Total Short-Term Liabilities	$85.70M	$83.80M	$85.40M
Total Long-Term Liabilities	$1.512B	$1.460B	$1.471B
Total Liabilities	$1.598B	$1.544B	$1.556B
YoY Change	3.47%	13.46%	19.02%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$1.541B	$1.506B	$1.468B
YoY Change	2.32%	9.93%	9.76%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.512B	$1.498B	$1.462B
YoY Change
Total Liabilities & Shareholders Equity	$3.120B	$3.042B	$3.019B
YoY Change	2.57%	10.6%	13.04%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$37.14M	$42.04M	$42.76M
YoY Change	-11.66%	13.37%	4.34%
Depreciation, Depletion And Amortization	$21.10M	$19.60M	$19.70M
YoY Change	7.65%	8.89%	8.49%
Cash From Operating Activities	$55.60M	$56.20M	$57.90M
YoY Change	-1.07%	8.29%	6.83%
INVESTING ACTIVITIES
Capital Expenditures	$0.00	-$10.00M	-$8.600M
YoY Change	-100.0%	354.55%
Acquisitions
YoY Change
Other Investing Activities	-$6.300M	-$27.60M	-$28.30M
YoY Change	-77.17%	-72.01%	229.07%
Cash From Investing Activities	-$6.300M	-$37.60M	-$36.90M
YoY Change	-83.24%	-62.7%	329.07%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-54.10M	-19.20M	-21.20M
YoY Change	181.77%	-137.5%	-53.91%
NET CHANGE
Cash From Operating Activities	55.60M	56.20M	57.90M
Cash From Investing Activities	-6.300M	-37.60M	-36.90M
Cash From Financing Activities	-54.10M	-19.20M	-21.20M
Net Change In Cash	-4.800M	-600.0K	-200.0K
YoY Change	700.0%	-126.09%	-50.0%
FREE CASH FLOW
Cash From Operating Activities	$55.60M	$56.20M	$57.90M
Capital Expenditures	$0.00	-$10.00M	-$8.600M
Free Cash Flow	$55.60M	$66.20M	$66.50M
YoY Change	-16.01%	22.37%	22.69%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000877860
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45185992	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	44587486	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45185992	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	44587486	shares
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.41
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.20
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.00
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-10822
CY2020	dei	Entity Registrant Name EntityRegistrantName	National Health Investors Inc
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	62-1470956
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	222 Robert Rose Drive
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Murfreesboro
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	37129
CY2020	dei	City Area Code CityAreaCode	(615)
CY2020	dei	Local Phone Number LocalPhoneNumber	890-9100
CY2020	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
CY2020	dei	Trading Symbol TradingSymbol	NHI
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
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CY2020Q4	us-gaap	Minority Interest MinorityInterest	10711000	USD
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CY2019	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	2440000	USD
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CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1886000	USD
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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
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	181409000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	155725000	USD
CY2018	us-gaap	Depreciation Depreciation	71349000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	156219000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	185311000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	160449000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	154333000	USD
CY2020	us-gaap	Depreciation Depreciation	83150000	USD
CY2019	us-gaap	Depreciation Depreciation	76816000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5392000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5117000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4437000	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
CY2018	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	662000	USD
CY2020	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	987000	USD
CY2019	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	845000	USD
CY2018	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	387000	USD
CY2020	us-gaap	Straight Line Rent StraightLineRent	20411000	USD
CY2020	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	-623000	USD
CY2019	us-gaap	Straight Line Rent StraightLineRent	22084000	USD
CY2018	us-gaap	Straight Line Rent StraightLineRent	22787000	USD
CY2020	us-gaap	Other Noncash Income OtherNoncashIncome	3839000	USD
CY2019	us-gaap	Other Noncash Income OtherNoncashIncome	2204000	USD
CY2018	us-gaap	Other Noncash Income OtherNoncashIncome	1680000	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
CY2018	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	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
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-738000	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
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2020	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	991000	USD
CY2019	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	2440000	USD
CY2018	nhi	Loanand Lease Lossesand Recoveries Net LoanandLeaseLossesandRecoveriesNet	5115000	USD
CY2019	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	-3100000	USD
CY2018	nhi	Paymentof Tenant Lease Incentives PaymentofTenantLeaseIncentives	-5280000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3061000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3646000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2490000	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
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5298000	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
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4587000	USD
CY2020	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-217000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	16796000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	140000	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
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	207869000	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
CY2018	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	106991000	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
CY2018	us-gaap	Proceeds From Sale And Collection Of Mortgage Notes Receivable ProceedsFromSaleAndCollectionOfMortgageNotesReceivable	4346000	USD
CY2020	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	102712000	USD
CY2019	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	219187000	USD
CY2018	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	131758000	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
CY2018	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	0	USD
CY2020	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	13854000	USD
CY2019	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	17999000	USD
CY2018	nhi	Payments To Renovate Real Estate PaymentsToRenovateRealEstate	15887000	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
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2020	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	39631000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-250290000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	205000000	USD
CY2019	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	0	USD
CY2018	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	0	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
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	397000000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	306000000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	207000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	181000000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	443000000	USD
CY2020	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	100000000	USD
CY2019	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	0	USD
CY2018	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	300000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	43729000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1187000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1619000	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1144000	USD
CY2018	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1039000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	126000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2171000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	748000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	15000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	13000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	643000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	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
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1835000	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
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	81784000	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
CY2018	us-gaap	Payments For Repurchase Of Redeemable Convertible Preferred Stock PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock	29985000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	194584000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	179739000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	165391000	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
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	44258000	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
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1837000	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
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8075000	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
CY2020	us-gaap	Interest Paid Net InterestPaidNet	43406000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	54027000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	45882000	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
CY2018	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2020	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	63220000	USD
CY2019	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	14000000	USD
CY2018	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	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
CY2018	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	0	USD
CY2020	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	4000000	USD
CY2018	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	0	USD
CY2020	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	0	USD
CY2019	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	0	USD
CY2018	nhi	Increase In Mortgage Note Receivable From Sale Of Real Estate IncreaseInMortgageNoteReceivableFromSaleOfRealEstate	0	USD
CY2020	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	348000	USD
CY2019	nhi	Changein Other Assets Investmentsin Real Estate ChangeinOtherAssetsInvestmentsinRealEstate	291000	USD
CY2019	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	-1082000	USD
CY2018	nhi	Changein Accounts Payable Investmentsin Real Estate Construction ChangeinAccountsPayableInvestmentsinRealEstateConstruction	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
CY2018	nhi	Changein Accounts Payable Investmentsin Real Estate Acquisition ChangeinAccountsPayableInvestmentsinRealEstateAcquisition	1689000	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
CY2018	nhi	Change In Accounts Payable Renovations Of Existing Real Estate ChangeInAccountsPayableRenovationsOfExistingRealEstate	0	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
CY2018	nhi	Change In Accounts Payable Related To Distributions To Noncontrolling Interests ChangeInAccountsPayableRelatedToDistributionsToNoncontrollingInterests	0	USD
CY2020	nhi	Lessee Payment To Acquire Purchase Option LesseePaymentToAcquirePurchaseOption	0	USD
CY2019	nhi	Lessee Payment To Acquire Purchase Option LesseePaymentToAcquirePurchaseOption	0	USD
CY2018	nhi	Lessee Payment To Acquire Purchase Option LesseePaymentToAcquirePurchaseOption	3775000	USD
CY2020	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	0	USD
CY2019	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	0	USD
CY2018	us-gaap	Escrow Deposits Related To Property Sales EscrowDepositsRelatedToPropertySales	10637000	USD
CY2020	nhi	Settlementof Contingent Asset Acquisition Liability SettlementofContingentAssetAcquisitionLiability	0	USD
CY2019	nhi	Settlementof Contingent Asset Acquisition Liability SettlementofContingentAssetAcquisitionLiability	0	USD
CY2018	nhi	Settlementof Contingent Asset Acquisition Liability SettlementofContingentAssetAcquisitionLiability	750000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1322117000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	156219000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	2427000	USD
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	81784000	USD
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1835000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2490000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	168635000	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	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	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
CY2020Q4	nhi	Real Estate Investment Property Portfolio Assets RealEstateInvestmentPropertyPortfolioAssets	3262381000	USD
CY2020Q4	nhi	Nonportfolio Assets Original Cost NonportfolioAssetsOriginalCost	2689000	USD
CY2020Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	228	properties
CY2020Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	34	USD
CY2020Q4	nhi	Number Of Lessees NumberOfLessees	34
CY2020Q4	nhi	Number Of Health Care Properties Related To Mortgage Notes Receivables NumberOfHealthCarePropertiesRelatedToMortgageNotesReceivables	14	beds_or_units
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	297373000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2020Q4	nhi	Variable Interest Entity Number Of Entities Not Primary Beneficiary VariableInterestEntityNumberOfEntitiesNotPrimaryBeneficiary	7	properties
CY2020Q4	nhi	Number Of Partnerships Consoldidated NumberOfPartnershipsConsoldidated	2	properties
CY2020	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	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P5Y
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43344000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5215000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	2999000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	10454000	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
CY2020	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>
CY2020	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 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>
CY2020	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%"> upon adoption of Topic 842 in 2019. 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 related to reimbursement of property operating expenses for the years ended December 2020 and 2019, are $9,653,000 and $5,798,000, 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 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 collectibility 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 collectibility 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>
CY2020	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, 2020, we did not identified any of our mortgages as non-performing.</span>
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3262381000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	297373000	USD
CY2020	us-gaap	Revenues Revenues	332811000	USD
CY2019	us-gaap	Revenues Revenues	318081000	USD
CY2018	us-gaap	Revenues Revenues	294612000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	299904000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	286000000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	282285000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	275742000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	272208000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1432609000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2848748000	USD
CY2020	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	987000	USD
CY2019	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	845000	USD
CY2018	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	387000	USD
CY2020	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	307208000	USD
CY2019	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	294182000	USD
CY2018	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	280813000	USD
CY2020Q4	nhi	Number Of Health Care Properties Related To Mortgage Notes Receivables NumberOfHealthCarePropertiesRelatedToMortgageNotesReceivables	14	properties
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	0	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	292427000	USD
CY2020Q4	nhi	Probability Of Default Increase Current Conditions Adjustment ProbabilityOfDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2020Q4	nhi	Probability Of Default Increase Current Conditions Adjustment ProbabilityOfDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2020Q4	nhi	Loss Given Default Increase Current Conditions Adjustment LossGivenDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2020Q4	nhi	Loss Given Default Increase Current Conditions Adjustment LossGivenDefaultIncreaseCurrentConditionsAdjustment	0.20
CY2020Q4	nhi	Estimated Credit Losses Current Conditions Adjustment Combined EstimatedCreditLossesCurrentConditionsAdjustmentCombined	0.44
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1639000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	593000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	4946000	USD
CY2020Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	20063000	USD
CY2020Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	17155300	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-3126000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2250000	USD
CY2020Q4	us-gaap	Convertible Debt ConvertibleDebt	60000000	USD
CY2019Q4	us-gaap	Convertible Debt ConvertibleDebt	59697000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2594000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3212000	USD
CY2020Q4	us-gaap	Incentive To Lessee IncentiveToLessee	9782000	USD
CY2019Q4	us-gaap	Incentive To Lessee IncentiveToLessee	10146000	USD
CY2020Q4	us-gaap	Escrow Deposit EscrowDeposit	6208000	USD
CY2019Q4	us-gaap	Escrow Deposit EscrowDeposit	8208000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	2999000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	10454000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	21583000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	32020000	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	298000000	USD
CY2019Q4	us-gaap	Line Of Credit LineOfCredit	300000000	USD
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4069000	USD
CY2019Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	7076000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1499285000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1440465000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Rolling Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths	458371000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo	250389000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	475408000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFour	75425000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearFive	143761000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Rolling After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingAfterYearFive	100000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1503354000	USD
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4069000	USD
CY2020Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1499285000	USD
CY2020Q4	nhi	Credit Facility Current Revolving Borrowing Capacity CreditFacilityCurrentRevolvingBorrowingCapacity	550000000	USD
CY2020	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0020
CY2020Q4	nhi	Debt Instrument Variable Rate Basis Minimum DebtInstrumentVariableRateBasisMinimum	14
CY2019Q4	nhi	Debt Instrument Variable Rate Basis Minimum DebtInstrumentVariableRateBasisMinimum	176
CY2019Q4	us-gaap	Unsecured Debt UnsecuredDebt	400000000	USD
CY2020	nhi	Debt Leverage Limit Coupon Change Trigger DebtLeverageLimitCouponChangeTrigger	0.50
CY2020	nhi	Conversion Of Convertible Debt ConversionOfConvertibleDebt	73102000	USD
CY2020Q4	us-gaap	Convertible Debt Fair Value Disclosures ConvertibleDebtFairValueDisclosures	51002000	USD
CY2020	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	60285000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-823000	USD
CY2020	us-gaap	Debt Instrument Convertible Conversion Ratio1 DebtInstrumentConvertibleConversionRatio1	14.95
CY2020Q4	us-gaap	Debt Instrument Convertible Conversion Price1 DebtInstrumentConvertibleConversionPrice1	66.89
CY2020	us-gaap	Debt Instrument Convertible Number Of Equity Instruments DebtInstrumentConvertibleNumberOfEquityInstruments	896994	shares
CY2020Q4	us-gaap	Debt Instrument Convertible Conversion Price1 DebtInstrumentConvertibleConversionPrice1	66.89
CY2020	us-gaap	Debt Instrument Convertible If Converted Value In Excess Of Principal DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal	2045000	USD
CY2020Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	7149000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-3433000	USD
CY2020	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	43458000	USD
CY2019	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	53923000	USD
CY2018	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	45789000	USD
CY2020	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6330000	USD
CY2019	us-gaap	Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	791000	USD
CY2018	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	164000	USD
CY2020	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	254000	USD
CY2019	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	399000	USD
CY2018	us-gaap	Interest Costs Capitalized Adjustment InterestCostsCapitalizedAdjustment	212000	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
CY2018	nhi	Amortization Of Financing Costs Exclusive Of Amounts Written Off AmortizationOfFinancingCostsExclusiveOfAmountsWrittenOff	3314000	USD
CY2020	us-gaap	Interest Expense InterestExpense	52882000	USD
CY2019	us-gaap	Interest Expense InterestExpense	56299000	USD
CY2018	us-gaap	Interest Expense InterestExpense	49055000	USD
CY2020	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	278650000	USD
CY2020Q4	nhi	Notes Receivable Funding Commitment NotesReceivableFundingCommitment	63445000	USD
CY2020	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-55000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	270000	USD
CY2020Q4	nhi	Maximum Commitment For All Active Development Projects MaximumCommitmentForAllActiveDevelopmentProjects	53945000	USD
CY2020Q4	us-gaap	Development In Process DevelopmentInProcess	48790000	USD
CY2020Q4	nhi	Remaining Unfunded Development Commitment RemainingUnfundedDevelopmentCommitment	5155000	USD
CY2020Q4	nhi	Contingent Funding Commitment ContingentFundingCommitment	31850000	USD
CY2020Q4	nhi	Contingent Funding Commitment Amount Funded ContingentFundingCommitmentAmountFunded	500000	USD
CY2020Q4	nhi	Contingent Funding Commitment Remaining Unfunded Amount ContingentFundingCommitmentRemainingUnfundedAmount	31350000	USD
CY2020Q4	nhi	At The Market Shelf Registration Equity Offering Sales Agreement Aggregate Sales Price AtTheMarketShelfRegistrationEquityOfferingSalesAgreementAggregateSalesPrice	500000000	USD
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	535990	shares
CY2020Q4	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	66.30
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	34649000	USD
CY2019	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	1209522	shares
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	95774000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3061000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3646000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2490000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2490000	USD
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
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.49
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.182
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
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.065
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.171
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.194
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
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M24D
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
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0239
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	859182	shares
CY2017Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	70.11
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
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y4M20D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	601994	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y29D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1033838	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	3803174	shares
CY2019Q4	nhi	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber	473851	shares
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.64
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
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	723000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	715000	USD
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	638000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8118000	USD
CY2020	nhi	Aggregate Intrinsic Value Per Share Optionsexercised AggregateIntrinsicValuePerShareOptionsexercised	15.84
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5659000	USD
CY2019	nhi	Aggregate Intrinsic Value Per Share Options Exercised AggregateIntrinsicValuePerShareOptionsExercised	11.28
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6105000	USD
CY2018	nhi	Aggregate Intrinsic Value Per Share Optionsexercised AggregateIntrinsicValuePerShareOptionsexercised	13.02
CY2020	us-gaap	Net Income Loss NetIncomeLoss	185126000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	160456000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	154333000	USD
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
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41943873	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
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	41943873	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
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	67735	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
CY2018	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	80123	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
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42091731	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.14
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.68
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.14
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.67
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.67
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
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	518	shares
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.41
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.20
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.00
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	930000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	273000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	140000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	112000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	124000	USD
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
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.00
CY2020Q1	us-gaap	Revenues Revenues	83076000	USD
CY2020Q2	us-gaap	Revenues Revenues	84174000	USD
CY2020Q3	us-gaap	Revenues Revenues	84301000	USD
CY2020Q4	us-gaap	Revenues Revenues	81260000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	61023000	USD
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44650002	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44662403	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44861469	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43498021	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43861089	shares
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	44368000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	42595000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	37140000	USD
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44613593	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44650002	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44661650	shares
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44859894	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44618139	shares
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.37
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.99
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.99
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.83
CY2019Q1	us-gaap	Revenues Revenues	76107000	USD
CY2019Q2	us-gaap	Revenues Revenues	78096000	USD
CY2019Q3	us-gaap	Revenues Revenues	81682000	USD
CY2019Q4	us-gaap	Revenues Revenues	82196000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	35679000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	39979000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	42758000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	42040000	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42825824	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43232384	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43505332	shares
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44107770	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43125032	shares
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3265070000	USD
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44328847	shares
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.98
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.83
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.97
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2020Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	95354000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	220361000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	2984841000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	59868000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	220361000	USD
CY2020Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	3044709000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	237186000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	147645000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	597638000	USD
CY2020	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P40Y
CY2020	nhi	Entity Incorporate Date Of Incorporation Year EntityIncorporateDateOfIncorporationYear	1991
CY2020Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	2603346000	USD
CY2020Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	2603346000	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
CY2017Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2665903000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	116724000	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
CY2018	nhi	Change In Accounts Payable Real Property Additions ChangeInAccountsPayableRealPropertyAdditions	1689000	USD
CY2020	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	348000	USD
CY2019	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	292000	USD
CY2018	nhi	Additions Through Contingent Liabilities AdditionsThroughContingentLiabilities	171000	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
CY2020	us-gaap	Payments For Delayed Tax Exempt Exchange PaymentsForDelayedTaxExemptExchange	0	USD
CY2019	us-gaap	Payments For Delayed Tax Exempt Exchange PaymentsForDelayedTaxExemptExchange	0	USD
CY2018	us-gaap	Payments For Delayed Tax Exempt Exchange PaymentsForDelayedTaxExemptExchange	3775000	USD
CY2020	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	USD
CY2019	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	USD
CY2018	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	818000	USD
CY2020	nhi	Noncontrolling Interest Noncash Increase From Subsidiary Equity Issuance NoncontrollingInterestNoncashIncreaseFromSubsidiaryEquityIssuance	10778000	USD
CY2019	nhi	Additions Through Assumption Of Debt AdditionsThroughAssumptionOfDebt	0	USD
CY2018	nhi	Additions Through Assumption Of Debt AdditionsThroughAssumptionOfDebt	0	USD
CY2018	nhi	Changein Straightline Rent Receivable Investmentsin Real Estate ChangeinStraightlineRentReceivableInvestmentsinRealEstate	0	USD
CY2020	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	63220000	USD
CY2019	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	14000000	USD
CY2018	nhi	Additions Through Settlement Of Mortgage Note AdditionsThroughSettlementOfMortgageNote	0	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
CY2018	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	0	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
CY2018Q4	us-gaap	Inventory Real Estate Held For Sale InventoryRealEstateHeldForSale	0	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
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	514453000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	451483000	USD
CY2017Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	380202000	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
CY2018	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	71349000	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
CY2018	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	0	USD
CY2019	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	14000000	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
CY2018	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	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
CY2018	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	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
CY2018	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	68000	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
CY2020Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	259491000	USD
CY2020Q4	srt	Mortgage Loans On Real Estate Principal Amount Of Delinquent Loans MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans	0	USD
CY2020Q4	srt	Mortgage Loans On Real Estate Federal Income Tax Basis1 MortgageLoansOnRealEstateFederalIncomeTaxBasis1	261170000	USD
CY2020Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	1414000	USD
CY2019Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	294120000	USD
CY2018Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	202877000	USD
CY2017Q4	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	98110000	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
CY2018	us-gaap	Mortgage Loans On Real Estate New Mortgage Loans MortgageLoansOnRealEstateNewMortgageLoans	108266000	USD
CY2020	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	806000	USD
CY2019	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	440000	USD
CY2018	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	608000	USD
CY2020	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	55865000	USD
CY2019	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	105785000	USD
CY2018	nhi	Mortgage Loans On Real Estate Total Additions MortgageLoansOnRealEstateTotalAdditions	108874000	USD
CY2020	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	222000	USD
CY2019	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	108000	USD
CY2018	nhi	Note Receivable Commitment Fees Received NoteReceivableCommitmentFeesReceived	1800000	USD
CY2020	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	63220000	USD
CY2018	nhi	Settlement Of Mortgage Note By Real Estate Acquisition SettlementOfMortgageNoteByRealEstateAcquisition	0	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
CY2018	srt	Mortgage Loans On Real Estate Collections Of Principal MortgageLoansOnRealEstateCollectionsOfPrincipal	2307000	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
CY2018	nhi	Mortgage Loans On Real Estate Total Deductions MortgageLoansOnRealEstateTotalDeductions	4107000	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

Files In Submission

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$NHI
National Health Investors Inc Stock $nhi

2020 Q4 Form 10-K Financial Statement

#000087786021000015 Filed on February 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NHI National Health Investors Inc Stock $nhi

2020 Q4 Form 10-K Financial Statement

#000087786021000015 Filed on February 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NHI
National Health Investors Inc Stock $nhi