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

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

+ Details

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

- 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:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_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:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_MemoryCarePropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ltc_Acquisitions2017Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertyWith107AssistedLivingAnd73MemoryCareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_MemoryCarePropertyWith60UnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Investments - Acquisitions (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2018 item	Jun. 30, 2018 USD ($) item property	Jun. 30, 2017 USD ($) item property
Real estate investments
Investment Commitment		$ 208,201
2018 Acquisitions
Real estate investments
Purchase Price		25,800
Transaction Costs		102
Total Acquisition Costs		$ 25,902
Number of properties acquired \| property		2
Number of beds/units acquired \| item		88
2018 Acquisitions \| ALF
Real estate investments
Purchase Price		$ 25,200
Transaction Costs		66
Total Acquisition Costs		$ 25,266
Number of properties acquired \| property		2
Number of beds/units acquired \| item		88
2018 Acquisitions \| ILF \| 89-unit ILF \| Forecast
Real estate investments
Number of beds/units acquired \| item	89
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
2018 Acquisitions \| Land
Real estate investments
Purchase Price		$ 600
Transaction Costs		36
Total Acquisition Costs		$ 636
2017 Acquisitions
Real estate investments
Purchase Price			$ 54,463
Transaction Costs			277
Total Acquisition Costs			$ 54,740
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			277
Total Acquisition Costs			$ 54,740
Number of properties acquired \| property			3
Number of beds/units acquired \| item			240
2017 Acquisitions \| ALF \| 107-unit ALF and a 73-unit MC
Real estate investments
Number of beds/units acquired \| item			107
2017 Acquisitions \| MC \| 107-unit ALF and a 73-unit MC
Real estate investments
Number of beds/units acquired \| item			73
2017 Acquisitions \| MC \| Memory Care Property with 60 Units
Real estate investments
Purchase Price			$ 15,650
Number of beds/units acquired \| item			60
2017 Acquisitions \| ALF and MC \| 107-unit ALF and a 73-unit MC
Real estate investments
Purchase Price			$ 38,813