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

Name:	ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
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

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

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

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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-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-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

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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-Name Accounting Standards Codification
-Topic 942
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ 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:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingAndMemoryCarePropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertyWit74CombinedAssistedLivingAndMemoryCareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_StatementGeographicalAxis=stpr_MO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=ltc_DevelopmentProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ltc_Acquisitions2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Data Type:	na
Balance Type:
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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_MemoryCarePropertyMember
Namespace Prefix:
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Balance Type:
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Namespace Prefix:
Data Type:	na
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Real Estate Investments - Acquisitions and Developments (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) item	Jun. 30, 2018 USD ($) item	Sep. 30, 2019 USD ($) item property	Sep. 30, 2018 USD ($) item	Dec. 31, 2018 USD ($)
Real estate investments
Investment Commitment			$ 144,347,000
Non-controlling interests			8,460,000		$ 7,481,000
ALF and MC \| 74-Unit ALF/MC
Real estate investments
Investment Commitment			15,971,000
Non-controlling interests			$ 919,000
SNF Beds \| Missouri
Real estate investments
Number of units under development \| item			90
SNF Beds \| Missouri \| Developments
Real estate investments
Number of units under development \| item			90
Properties under Development \| Missouri
Real estate investments
Investment Commitment			$ 17,400,000
2019 Acquisitions
Real estate investments
Purchase Price			38,951,000
Transaction Costs			302,000
Total Acquisition Costs			$ 39,253,000
Number of properties acquired			2
Number of beds/units acquired \| item			164
2019 Acquisitions \| SNF
Real estate investments
Purchase Price			$ 19,500,000
Transaction Costs			77,000
Total Acquisition Costs			$ 19,577,000
Number of properties acquired			1
Number of beds/units acquired \| item			90
2019 Acquisitions \| ALF
Real estate investments
Purchase Price			$ 16,719,000
Transaction Costs			176,000
Total Acquisition Costs			$ 16,895,000
Number of properties acquired			1
Number of beds/units acquired \| item			74
2019 Acquisitions \| ALF and MC \| 74-Unit ALF/MC
Real estate investments
Number of units under development \| item			74
Economic interest in joint venture			95.00%
2019 Acquisitions \| Land
Real estate investments
Purchase Price			$ 2,732,000
Transaction Costs			49,000
Total Acquisition Costs			$ 2,781,000
2018 Acquisitions
Real estate investments
Purchase Price				$ 40,295,000
Transaction Costs				113,000
Total Acquisition Costs				$ 40,408,000
Number of properties acquired				3
Number of beds/units acquired \| item				177
Economic interest in joint venture	88.00%
2018 Acquisitions \| ALF
Real estate investments
Purchase Price				$ 39,600,000
Transaction Costs				65,000
Total Acquisition Costs				$ 39,665,000
Number of properties acquired				3
Number of beds/units acquired \| item				177
2018 Acquisitions \| ILF \| 89-unit ILF
Real estate investments
Purchase Price	$ 14,400,000
Number of units under development \| item	89		89
Investment Commitment	$ 11,543,000			$ 11,543,000
Non-controlling interests	$ 2,857,000			2,857,000
2018 Acquisitions \| MC \| Texas
Real estate investments
Number of properties acquired \| property			2
2018 Acquisitions \| ALF and MC \| 78-unit ALF/MC
Real estate investments
Purchase Price		$ 18,108,000	$ 18,108,000
Number of beds/units acquired \| item			78
Number of units under development \| item		78
Investment Commitment		$ 17,027,000
Non-controlling interests		$ 1,081,000
2018 Acquisitions \| Land
Real estate investments
Purchase Price				695,000
Transaction Costs				48,000
Total Acquisition Costs				$ 743,000