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
-URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477

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-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109124213&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
-Subparagraph (SX 210.7-03(a)(24))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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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:	us-gaap_BusinessAcquisitionAxis=ltc_Acquisitions2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_IndependentLivingCommunitiesPropertyWith89UnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertyWith78CombinedAssistedLivingAndMemoryCareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ltc_Acquisitions2017Member
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Real Estate Investments - Acquisitions (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) item	Jun. 30, 2018 USD ($) item	Sep. 30, 2018 USD ($) item property	Sep. 30, 2017 USD ($) item property	Dec. 31, 2017 USD ($)
Real estate investments
Investment Commitment	$ 192,932		$ 192,932
Non-controlling interests	7,451		7,451		$ 3,488
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
Economic interest in joint venture			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
Number of units under development \| item	89
Investment Commitment	$ 11,543		$ 11,543
Non-controlling interests	$ 2,857		$ 2,857
2018 Acquisitions \| MC
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
Number of units under development \| item		78
Investment Commitment		$ 17,027
Non-controlling interests		$ 1,081
2018 Acquisitions \| Land
Real estate investments
Purchase Price			$ 695
Transaction Costs			48
Total Acquisition Costs			$ 743
2017 Acquisitions
Real estate investments
Purchase Price				$ 54,463
Transaction Costs				341
Total Acquisition Costs				$ 54,804
Number of properties acquired \| property				3
Number of beds/units acquired \| item				240
2017 Acquisitions \| ALF
Real estate investments
Purchase Price				$ 54,463
Transaction Costs				341
Total Acquisition Costs				$ 54,804
Number of properties acquired \| property				3
Number of beds/units acquired \| item				240