Asset Purchase Transaction Costs

No definition available.

Name:	nhi_AssetPurchaseTransactionCosts
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the total amount of capital improvements that an entity has committed to complete.

+ References

No definition available.

+ Details

Name:	nhi_CapitalImprovementsCommitment
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the maximum amount of a contingent funding commitment.

+ References

No definition available.

+ Details

Name:	nhi_ContingentFundingCommitment
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item represents contingent payments that would be due to a development manager if certain operating metrics or performance thresholds were met.

+ References

No definition available.

+ Details

Name:	nhi_ContingentIncentivePayments
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This item represents the first lease year in which a lessor has the option to reset the annual rent to a fair market amount.

+ References

No definition available.

+ Details

Name:	nhi_FairMarketRentResetOptionPeriodFirstLeaseYear
Namespace Prefix:	nhi_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the last lease year in which a lessor has the option to reset the annual rent to a fair market amount.

+ References

No definition available.

+ Details

Name:	nhi_FairMarketRentResetOptionPeriodLastLeaseYear
Namespace Prefix:	nhi_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

The initial rate charged under a lease entered into in connection with the purchase of a property.

+ References

No definition available.

+ Details

Name:	nhi_InitialLeaseRate
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents consideration received in exchange for granting an amendment to a lease agreement.

+ References

No definition available.

+ Details

Name:	nhi_LeaseAmendmentConsideration
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the maximum amount a lease will escalate each year.

+ References

No definition available.

+ Details

Name:	nhi_LeaseEscalatorMaximum
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the minimum rate a lease payment escalates each year.

+ References

No definition available.

+ Details

Name:	nhi_LeaseEscalatorMinimum
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The initial lease escalator to be charged starting after lease year 4 under a lease entered into in connection with the purchase of a property.

+ References

No definition available.

+ Details

Name:	nhi_LeaseEscalatorRateafterLeaseYear4
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the number of shares of a lessor that are owned by a significant lessee as of the end of the reporting period.

+ References

No definition available.

+ Details

Name:	nhi_LessorEquitySharesOwnedSignificantLessee
Namespace Prefix:	nhi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the maximum commitment for all active development projects.

+ References

No definition available.

+ Details

Name:	nhi_MaximumCommitmentForAllActiveDevelopmentProjects
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the minimum annual lease income to be received.

+ References

No definition available.

+ Details

Name:	nhi_MinimumAnnualLeaseIncome
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This concept reflects the interest rate to be received on a loan receivable.

+ References

No definition available.

+ Details

Name:	nhi_NoteReceivableInterestRate
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Additional Lease Renewal Options

+ References

No definition available.

+ Details

Name:	nhi_NumberOfAdditionalLeaseRenewalOptions
Namespace Prefix:	nhi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the number of operators or tenants.

+ References

No definition available.

+ Details

Name:	nhi_NumberOfOperatorsTenants
Namespace Prefix:	nhi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Real Estate Properties Acquired

+ References

No definition available.

+ Details

Name:	nhi_NumberOfRealEstatePropertiesAcquired
Namespace Prefix:	nhi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Master Leases

+ References

No definition available.

+ Details

Name:	nhi_NumberofMasterLeases
Namespace Prefix:	nhi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the percentage of income recognized from a lease tenant.

+ References

No definition available.

+ Details

Name:	nhi_PercentageOfContinuingRevenue
Namespace Prefix:	nhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the rental revenue rate earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Generally stipulated in the lease agreement, it usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof.

+ References

No definition available.

+ Details

Name:	nhi_PercentageRentRate
Namespace Prefix:	nhi_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the amount of an outstanding purchase option.

+ References

No definition available.

+ Details

Name:	nhi_PurchaseOptionAmount
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Real Estate Investments During The Period

+ References

No definition available.

+ Details

Name:	nhi_RealEstateInvestmentsDuringThePeriod
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This item represents an accumulated straight-line rent receivable balance written off as a result of a lease amendment or termination.

+ References

No definition available.

+ Details

Name:	nhi_WriteOffOfStraightLineRentReceivable
Namespace Prefix:	nhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The current amount of expenditures for a real estate project that has not yet been completed.

+ References

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-Paragraph 1
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+ Details

Name:	us-gaap_DevelopmentInProcess
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 360
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-URI http://asc.fasb.org/extlink&oid=117337397&loc=d3e23415-158514

+ Details

Name:	us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This item represents the deferred charge for an incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term.

+ References

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+ Details

Name:	us-gaap_IncentiveToLessee
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

+ Details

Name:	us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 30
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-Paragraph 3
-Subparagraph (a)(3)
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+ Details

Name:	us-gaap_LessorOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LessorOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates.

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-SubTopic 825
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-URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61082-112788

+ Details

Name:	us-gaap_LoansAndLeasesReceivableCommitmentsFixedRates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The level of ownership or equity interest acquired in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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+ Details

Name:	us-gaap_NoncashOrPartNoncashAcquisitionInterestAcquired1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The value of notes retired (or transferred to another entity) in noncash investing or financing transactions.

+ References

+ Details

Name:	us-gaap_NotesReduction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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+ Details

Name:	us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Name:	us-gaap_PaymentsToAcquireRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Name:	us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of cash outflow for transaction costs in a sale-leaseback recognized in investing activities. Includes, but is not limited to, closing and debt issuance costs.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Difference between actual rental income due and rental income recognized on a straight-line basis.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=nhi_DebtInstrumentNameHUDMortgagesMember
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Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=nhi_MedicalOfficeBuildingMember
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Real Estate (Narrative) (Details)		12 Months Ended
Real Estate (Narrative) (Details)	Jan. 31, 2020 USD ($) beds_or_units	Dec. 31, 2020 USD ($) properties renewalOptions beds_or_units shares	Dec. 31, 2019 USD ($) beds_or_units	Dec. 31, 2018 USD ($)	Sep. 30, 2020 renewalOptions
Number of Real Estate Properties \| properties		228
Number of States in which Entity Operates		34
Straight Line Rent		$ 20,411,000	$ 22,084,000	$ 22,787,000
Lessor, Operating Lease, Renewal Term		5 years
Loans and Leases Receivable, Gross		$ 297,373,000
Incentive to Lessee		9,782,000	10,146,000
Maximum Commitment For All Active Development Projects		53,945,000
Development in Process		48,790,000
Operating Leases, Income Statement, Lease Revenue		307,208,000	294,182,000	280,813,000
Gain on sale of real estate		21,316,000	0	0
Payments to Acquire Real Estate		102,712,000	$ 219,187,000	$ 131,758,000
Loans and Leases Receivable, Commitments, Fixed Rates		278,650,000
Contingent Funding Commitment		$ 31,850,000
Debt Instrument, Name, HUD Mortgages [Member]
Number of Real Estate Properties \| properties		10
Medical Office Building [Member]
Number of Real Estate Properties \| properties		2
Skilled Nursing Facility [Member]
Number of Real Estate Properties \| properties		72
Current Period Real Estate Acquisition
Real Estate Investments During The Period		$ 176,542,000
Current Period Real Estate Acquisition \| Real Estate Operating Company [Member] \| Noncontrolling Interest [Member]
Noncash or Part Noncash Acquisition, Interest Acquired	75.00%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 875,000
Current Period Real Estate Acquisition \| Real Estate Operating Company [Member] \| Controlling Interest [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 2,625,000
Current Period Real Estate Acquisition \| Real Estate Property Company [Member] \| Noncontrolling Interest [Member]
Noncash or Part Noncash Acquisition, Interest Acquired	20.00%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 10,778,000
Prior Period Real Estate Acquisition
Real Estate Investments During The Period		274,457,000
Sale Leaseback Transaction, Transaction Costs, Investing Activities		$ 100,000
Prior Period Real Estate Acquisition \| Joint Venture Equity Interest [Member] \| Discovery Senior Living [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		2.50%
Noncontrolling Interest, Ownership Percentage by Parent		97.50%
Prior Period Real Estate Acquisition \| Cash Portion [Member]
Lease Amendment Consideration		$ 17,125,000
Prior Period Real Estate Acquisition \| Holiday Lease Amendment [Member]
Lease Amendment Consideration		$ 55,125,000
Bickford Lease Amendment [Member]
Number of Real Estate Properties \| properties		14
Current Period Investment [Member]
Loans and Leases Receivable, Commitments, Fixed Rates		$ 50,400,000
Bickford Senior Living [Member]
Percentage of Continuing Revenue		15.00%	17.00%	18.00%
Straight Line Rent		$ 2,764,000	$ 4,531,000	$ 5,028,000
Number of Units in Real Estate Property \| beds_or_units	60
Lessor, Operating Lease, Term of Contract	12 years
Initial lease rate	8.00%
Operating Leases, Income Statement, Lease Revenue		$ 49,451,000	$ 56,210,000	$ 52,293,000
Bickford Senior Living [Member] \| Debt Instrument, Name, HUD Mortgages [Member]
Number of Real Estate Properties \| properties		9
Bickford Senior Living [Member] \| Current Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 15,100,000
Proceeds from Sale and Collection of Notes Receivable	$ 14,091,000
Bickford Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 15,100,000
Notes Reduction		$ 14,035,000
Bickford Senior Living [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Number of Real Estate Properties \| properties		2
Note Receivable Interest Rate		7.00%
Write Off Of Straight Line Rent Receivable		$ 124,000
Impairment of Real Estate		$ 2,500,000
Bickford Senior Living [Member] \| Bickford Lease Amendment [Member]
Lease Escalator Minimum		2.00%
Lease Escalator Maximum		3.00%
Bickford Senior Living [Member] \| Current Period Investment [Member]
Number of Real Estate Properties \| beds_or_units		2
Loans and Leases Receivable, Commitments, Fixed Rates		$ 4,000,000
Bickford Senior Living [Member] \| April 2018 Acquisition [Member]
Fair Market Rent Reset, Option Period, Last Lease Year		five
Fair Market Rent Reset, Option Period, First Lease Year		three
National Healthcare Corporation [Member]
Percentage of Continuing Revenue		11.00%	12.00%	13.00%
Number of Master Leases \| properties		2
Operating Leases, Income Statement, Lease Revenue		$ 37,820,000	$ 38,131,000	$ 37,843,000
Lessor Equity Shares Owned, Significant Lessee \| shares		1,630,642
National Healthcare Corporation [Member] \| NHC - 1991 Lease [Member]
Minimum Annual Lease Income		$ 30,750,000
Lessor, Operating Lease, Renewal Term		5 years
Number Of Real Estate Properties Acquired \| properties		35
Number Of Additional Lease Renewal Options \| properties		2
National Healthcare Corporation [Member] \| NHC - 2013 Lease [Member]
Minimum Annual Lease Income		$ 3,450,000
Number Of Real Estate Properties Acquired \| properties		7
Purchase Option Amount		$ 49,000,000
National Healthcare Corporation [Member] \| Skilled Nursing Facility [Member]
Number of Real Estate Properties \| properties		39
National Healthcare Corporation [Member] \| Skilled Nursing Facility [Member] \| Subleased Facilities [Member]
Number Of Real Estate Properties Acquired \| properties		4
National Healthcare Corporation [Member] \| Independent Living Facility [Member]
Number of Real Estate Properties \| properties		3
National Healthcare Corporation [Member] \| NHC - 1991 Lease [Member]
Percentage Rent Rate		0.04
National Healthcare Corporation [Member] \| NHC - 2013 Lease [Member]
Percentage Rent Rate		0.04
Autumn Trace
Lease Escalator Minimum		2.25%
Number of Units in Real Estate Property \| beds_or_units		44
Initial lease rate		7.25%
Lessee, Operating Lease, Renewal Term		5 years
Autumn Trace \| Current Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		2
Real Estate Investments During The Period		$ 14,250,000
Lessor, Operating Lease, Term of Contract		15 years
Asset Purchase Transaction Costs		$ 150,000
Senior Living Communities [Member]
Number of Real Estate Properties \| properties		10
Percentage of Continuing Revenue		15.00%	15.00%	15.00%
Straight Line Rent		$ (4,271,000)	$ (4,934,000)	$ (5,436,000)
Lessor, Operating Lease, Renewal Term		5 years
Number Of Additional Lease Renewal Options		2			2
Number of Units in Real Estate Property \| beds_or_units		2,068
Lessor, Operating Lease, Term of Contract		15 years
Operating Leases, Income Statement, Lease Revenue		$ 50,734,000	$ 48,450,000	$ 45,868,000
Note Receivable Interest Rate		10.00%
Lease Escalator Rate after Lease Year 4		3.00%
Loans and Leases Receivable, Commitments, Fixed Rates		$ 43,980,000
Senior Living Communities [Member] \| Capital Improvement Commitment [Member]
Maximum Commitment For All Active Development Projects		9,930,000
Development in Process		$ 9,763,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		6
Lessor, Operating Lease, Renewal Term		5 years
Number Of Additional Lease Renewal Options \| renewalOptions		2
Real Estate Investments During The Period		$ 127,917,000
Number of Units in Real Estate Property \| beds_or_units		596
Lessor, Operating Lease, Term of Contract		10 years
Initial lease rate		6.50%
Asset Purchase Transaction Costs		$ 1,067,000
Contingent Incentive Payments		4,000,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Joint Venture Equity Interest [Member]
Real Estate Investments During The Period		25,028,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Joint Venture Noncontrolling Equity Interest [Member]
Real Estate Investments During The Period		631,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Joint Venture Preferred Equity Interest [Member]
Real Estate Investments During The Period		102,258,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Joint Venture Controlling Equity Interest [Member]
Real Estate Investments During The Period		$ 127,286,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Memory Care [Member]
Number of Units in Real Estate Property \| beds_or_units		95
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Independent Living Facility [Member]
Number of Units in Real Estate Property \| beds_or_units		145
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition \| Assisted Living Facility [Member]
Number of Units in Real Estate Property \| beds_or_units		356
Discovery Senior Living [Member] \| Capital Improvement Commitment [Member]
Maximum Commitment For All Active Development Projects		$ 900,000
Development in Process		853,000
Discovery Senior Living [Member] \| Lease Inducement [Member]
Contingent Funding Commitment		4,000,000
Non-Performing Lease [Member]
Number of Real Estate Properties \| beds_or_units			9
Operating Leases, Income Statement, Lease Revenue		$ 4,593,000	$ 3,643,000
Number of Operators/Tenants \| beds_or_units		5
Non-Performing Lease [Member] \| Net Operating Based Lease [Member]
Number of Real Estate Properties \| beds_or_units		6
Number of Master Leases \| beds_or_units		2
Brookdale Senior Living [Member] \| Asset Held For Sale [Member]
Number of Real Estate Properties \| properties		8
Brookdale Senior Living [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Operating Leases, Income Statement, Lease Revenue		$ 229,000	$ 4,250,000
Proceeds from Sale of Real Estate		39,260,000
Gain on sale of real estate		$ 20,752,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Lessor, Operating Lease, Renewal Term		5 years
Number Of Additional Lease Renewal Options \| renewalOptions		2
Lessor, Operating Lease, Term of Contract		10 years
Initial lease rate		7.75%
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| Contingent Payment [Member]
Incentive to Lessee		$ 3,000,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| April 2019 [Member]
Real Estate Investments During The Period		$ 10,800,000
Number of Units in Real Estate Property \| beds_or_units		60
Payments to Acquire Real Estate		$ 9,560,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| May 2019 [Member]
Real Estate Investments During The Period		$ 13,500,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| Memory Care [Member] \| April 2019 [Member]
Number of Units in Real Estate Property \| beds_or_units		14
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| Assisted Living Facility [Member] \| May 2019 [Member]
Number of Units in Real Estate Property \| beds_or_units		73
Comfort Care Senior Living [Member] \| Lease Inducement [Member]
Contingent Funding Commitment		$ 6,000,000
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 134,892,000
Number of Units in Real Estate Property \| beds_or_units	401
Lessor, Operating Lease, Term of Contract	7 years
Initial lease rate	6.75%
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 124,989,000
Note Receivable Interest Rate	5.75%
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Real Estate Operating Company [Member]
Noncash or Part Noncash Acquisition, Interest Acquired	25.00%
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Real Estate Property Company [Member]
Noncash or Part Noncash Acquisition, Interest Acquired	80.00%
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Consideration Type, Cash [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 43,114,000
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Consideration Type, Total Mortgage [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	81,000,000
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Consideration Type, Existing Mortgage [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	59,350,000
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Consideration Type, Additional Mortgage [Member]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 21,650,000
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Skilled Nursing Facility [Member]
Number of Units in Real Estate Property \| beds_or_units	45
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Independent Living Facility [Member]
Number of Units in Real Estate Property \| beds_or_units	330
LCS Timber Ridge [Member] \| Current Period Real Estate Acquisition \| Assisted Living Facility [Member]
Number of Units in Real Estate Property \| beds_or_units	26
Holiday Acquisition Holdings [Member]
Number of Real Estate Properties \| properties		26
Percentage of Continuing Revenue		12.00%	13.00%	15.00%
Straight Line Rent		$ (6,542,000)	$ (6,621,000)	$ 5,616,000
Operating Leases, Income Statement, Lease Revenue		$ 40,705,000	40,459,000	43,311,000
Holiday Acquisition Holdings [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 38,000,000
Initial lease rate		6.71%
Holiday Acquisition Holdings [Member] \| Prior Period Real Estate Acquisition \| Independent Living Facility [Member] \| Vero Beach Acquisition [Member]
Number of Units in Real Estate Property \| beds_or_units		157
Holiday Acquisition Holdings [Member] \| Prior Period Real Estate Acquisition \| Assisted Living Facility [Member] \| Vero Beach Acquisition [Member]
Number of Units in Real Estate Property \| beds_or_units		71
The Courtyard at Bellevue
Lease Escalator Minimum		2.50%
Number of Units in Real Estate Property \| beds_or_units		43
Initial lease rate		7.50%
Lessee, Operating Lease, Renewal Term		5 years
The Courtyard at Bellevue \| Current Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 12,300,000
Wingate Healthcare [Member]
Contingent Incentive Payments		$ 5,000,000
Wingate Healthcare [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Lessor, Operating Lease, Renewal Term		5 years
Number Of Additional Lease Renewal Options \| renewalOptions		3
Real Estate Investments During The Period		$ 52,200,000
Number of Units in Real Estate Property \| beds_or_units		267
Lessor, Operating Lease, Term of Contract		10 years
Initial lease rate		7.50%
Asset Purchase Transaction Costs		$ 300,000
Capital Improvements Commitment		1,900,000
Payments to Acquire Real Estate		$ 50,300,000
Wingate Healthcare [Member] \| Prior Period Real Estate Acquisition \| Right of First Offer [Member]
Number of Real Estate Properties \| properties		2
Wingate Healthcare [Member] \| Capital Improvement Commitment [Member]
Maximum Commitment For All Active Development Projects		$ 1,900,000
Development in Process		1,808,000
Wingate Healthcare [Member] \| Lease Inducement [Member]
Contingent Funding Commitment		$ 5,000,000
Holiday Lease Amendment [Member] \| Prior Period Real Estate Acquisition
Lease Escalator Minimum		2.00%
Lease Escalator Maximum		3.00%
41 Management [Member] \| Current Period Real Estate Acquisition
Loans and Leases Receivable, Gross		$ 3,870,000
41 Management [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 9,340,000
Asset Purchase Transaction Costs		$ 140,000
41 Management [Member] \| Prior Period Real Estate Acquisition \| MN Transition Properties [Member]
Number of Real Estate Properties \| properties		4
Lessor, Operating Lease, Renewal Term		5 years
Lease Escalator Minimum		2.50%
Number Of Additional Lease Renewal Options \| renewalOptions		2
Lessor, Operating Lease, Term of Contract		15 years
Initial lease rate		7.00%
Operating Leases, Income Statement, Lease Revenue		$ 906,000
Capital Improvements Commitment		$ 400,000
41 Management [Member] \| December 2019 Transaction [Member]
Number of Units in Real Estate Property \| beds_or_units		48
41 Management [Member] \| Current Period Investment [Member]
Number of Real Estate Properties \| beds_or_units		1
Cappella Living Solutions [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units		1
Real Estate Investments During The Period		$ 7,600,000
Number of Units in Real Estate Property \| beds_or_units		51
Lessor, Operating Lease, Term of Contract		15 years
Initial lease rate		7.25%
Asset Purchase Transaction Costs		$ 100,000
Discovery PropCo [Member] \| Capital Addition Purchase Commitments [Member]
Maximum Commitment For All Active Development Projects		2,000,000
Development in Process		$ 968,000
Ignite Medical Resorts [Member]
Lessor, Operating Lease, Renewal Term		10 years
Ignite Medical Resorts [Member] \| Lease Inducement [Member]
Contingent Funding Commitment		$ 2,000,000
Timber Ridge OpCo [Member] \| Current Period Investment [Member]
Number of Real Estate Properties \| beds_or_units		1
Loans and Leases Receivable, Commitments, Fixed Rates		$ 5,000,000
Timber Ridge OpCo [Member] \| Lease Inducement [Member]
Contingent Funding Commitment		$ 10,000,000
Open Now [Member]
Number of Real Estate Properties \| beds_or_units		6
Minimum Annual Lease Income		$ 19,319,000	19,473,000	19,194,000
Property, Plant and Equipment, Net		40,420,000
Open Now [Member] \| Medical Office Building [Member]
Minimum Annual Lease Income		(2,733,000)	$ (2,730,000)	$ (2,730,000)
Property, Plant and Equipment, Net		21,239,000
Purchase Option Amount		$ 26,375,000
After 2021 [Member]
Number of Real Estate Properties \| beds_or_units		11
Property, Plant and Equipment, Net		$ 100,871,000
SOUTH CAROLINA
Percentage of Continuing Revenue		10.30%	10.90%
SOUTH CAROLINA \| Brookdale Senior Living [Member] \| Asset Held For Sale [Member]
Number of Real Estate Properties \| properties		1
TEXAS
Percentage of Continuing Revenue			10.50%
ARIZONA \| Brookdale Senior Living [Member] \| Asset Held For Sale [Member]
Number of Real Estate Properties \| properties		4
TENNESSEE \| Brookdale Senior Living [Member] \| Asset Held For Sale [Member]
Number of Real Estate Properties \| properties		3
Gurnee, IL [Member] \| Bickford Senior Living [Member]
Initial lease rate		8.00%
Gurnee, IL [Member] \| Bickford Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| properties		60
Lessor, Operating Lease, Term of Contract		12 years
Revenue as % of Total, Exceeds 10% [Member]
Number of States in which Entity Operates \| beds_or_units		1