Represents the number of properties acquired in a business acquisition.

No definition available.

Name:	ltc_BusinessAcquisitionNumberOfPropertiesAcquired
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of beds/units in the acquired business.

+ References

No definition available.

+ Details

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Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed or capitalized during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

No definition available.

+ Details

Name:	ltc_BusinessCombinationAcquisitionRelatedCostsExpensedCapitalized
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the purchase price and the transaction costs of the real estate investment acquisition.

+ References

No definition available.

+ Details

Name:	ltc_BusinessCombinationPurchasePriceAndTransactionCosts
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of initial cash yield on leases.

+ References

No definition available.

+ Details

Name:	ltc_InitialCashYieldPercentageOnLeases
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of investment commitments of the entity.

+ References

No definition available.

+ Details

Name:	ltc_InvestmentCommitments
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The number of times the lessor has the option to renewal the lease agreement.

+ References

No definition available.

+ Details

Name:	ltc_LessorLeaseAgreementRenewalOption
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of beds/units under development.

+ References

No definition available.

+ Details

Name:	ltc_NumberOfBedsOrUnitsUnderDevelopment
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of annual escalation of cash yield on leases.

+ References

No definition available.

+ Details

Name:	ltc_PercentageOfAnnualEscalationOfYieldOnLeases
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of economic interest in joint venture under real estate investments.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateInvestmentEconomicInterestInJointVenturePercentage
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
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-URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981

+ 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

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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+ Details

Name:	us-gaap_MinorityInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RealEstatePropertiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertiesUnderDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Name:	srt_StatementGeographicalAxis=stpr_MO
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_SkilledNursingFacilityBedsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
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Data Type:	na
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Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=ltc_DevelopmentProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Data Type:	na
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Data Type:	na
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Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_MemoryCarePropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
Data Type:	na
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Data Type:	na
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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertyWit74CombinedAssistedLivingAndMemoryCareUnitsMember
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Name:	us-gaap_BusinessAcquisitionAxis=ltc_Acquisitions2018Member
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Data Type:	na
Balance Type:
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Real Estate Investments - Acquisitions (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2020 USD ($) item	Dec. 31, 2019 USD ($) item property	Dec. 31, 2018 USD ($) item property	Dec. 31, 2017 USD ($) item property
Real estate investments
Stockholders' Equity Attributable to Noncontrolling Interest		$ 8,483	$ 7,481
Investment Commitment		79,716
Properties under Development \| Missouri
Real estate investments
Investment Commitment		$ 17,400
SNF Beds \| Missouri
Real estate investments
Number of beds/units under development \| item		90
SNF \| Missouri \| Developments
Real estate investments
Number of beds/units under development \| item		90
2019 Acquisitions
Real estate investments
Purchase Price		$ 57,951
Transaction Costs		463
Total Acquisition Costs		$ 58,414
Number of properties acquired \| property		4
Number of beds/units acquired \| item		320
2019 Acquisitions \| Michigan
Real estate investments
Purchase Price		$ 19,000
2019 Acquisitions \| SNF
Real estate investments
Purchase Price		19,500
Transaction Costs		97
Total Acquisition Costs		$ 19,597
Number of properties acquired \| property		1
Number of beds/units acquired \| item		90
2019 Acquisitions \| ALF
Real estate investments
Purchase Price		$ 35,719
Transaction Costs		315
Total Acquisition Costs		$ 36,034
Number of properties acquired \| property		3
Number of beds/units acquired \| item		230
2019 Acquisitions \| MC \| Michigan
Real estate investments
Number of beds/units acquired \| item		80
2019 Acquisitions \| Land
Real estate investments
Purchase Price		$ 2,732
Transaction Costs		51
Total Acquisition Costs		$ 2,783
2019 Acquisitions \| ALF and MC \| Michigan
Real estate investments
Number of beds/units acquired \| item		76
2019 Acquisitions \| ALF and MC \| 74-Unit ALF/MC
Real estate investments
Stockholders' Equity Attributable to Noncontrolling Interest		$ 919
Real Estate Investment Economic Interest in Joint Venture Percentage		95.00%
Investment Commitment		$ 15,976
Number of beds/units under development \| item		74
2018 Acquisitions
Real estate investments
Purchase Price			40,295
Transaction Costs			113
Total Acquisition Costs			$ 40,408
Number of properties acquired \| property			3
Number of beds/units acquired \| item			177
Real Estate Investment Economic Interest in Joint Venture Percentage			88.00%
2018 Acquisitions \| ALF
Real estate investments
Purchase Price			$ 39,600
Transaction Costs			65
Total Acquisition Costs			$ 39,665
Number of properties acquired \| property			3
Number of beds/units acquired \| item			177
2018 Acquisitions \| ILF \| 89-unit ILF
Real estate investments
Purchase Price			$ 14,400
Stockholders' Equity Attributable to Noncontrolling Interest			2,857
Investment Commitment			$ 11,543
Number of beds/units under development \| item			89
2018 Acquisitions \| MC \| Texas
Real estate investments
Number of properties acquired \| property			2
2018 Acquisitions \| Land
Real estate investments
Purchase Price			$ 695
Transaction Costs			48
Total Acquisition Costs			743
2018 Acquisitions \| ALF and MC \| 78-unit ALF/MC
Real estate investments
Purchase Price			18,108
Stockholders' Equity Attributable to Noncontrolling Interest			$ 1,081
Number of beds/units acquired \| item			78
Investment Commitment			$ 17,027
Number of beds/units under development \| item			78
2018 Acquisitions \| ALF and MC \| 78-unit ALF/MC \| Oregon
Real estate investments
Purchase Price			$ 18,108
Number of beds/units under development \| item			78
2017 Acquisitions
Real estate investments
Purchase Price				$ 81,818
Transaction Costs				587
Total Acquisition Costs				$ 82,405
Number of properties acquired \| property				5
Number of beds/units acquired \| item				400
2017 Acquisitions \| ALF
Real estate investments
Purchase Price				$ 81,018
Transaction Costs				569
Total Acquisition Costs				$ 81,587
Number of properties acquired \| property				5
Number of beds/units acquired \| item				400
2017 Acquisitions \| Land
Real estate investments
Purchase Price				$ 800
Transaction Costs				18
Total Acquisition Costs				$ 818
Subsequent Event \| 2020 Acquisitions \| SNF \| Texas
Real estate investments
Purchase Price	$ 13,500,000
Number of beds/units acquired \| item	140
Initial lease term	10 years
Initial cash yield	8.50%
Percentage of annual escalation	2.00%
Number of times option to renewal the lease \| item	2
Lease renewal term	5 years