Real Estate Investments - Assisted Living Portfolio Property (Details) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($) property item	Sep. 30, 2024 item property
Real Estate Properties [Line Items]
Number of Properties \| property		124
Number of beds/units \| item		466
New master lease agreement
Real Estate Properties [Line Items]
Number of Properties \| property	27
Number of Units \| item	1,132
First Year Rent \| $	$ 13,585
Number of properties sold \| property	8
Number of beds or units in property sold \| item	341
Sales Price \| $	$ 27,959
Net Proceeds \| $	$ 23,232
Number of Properties \| property	35
Number of beds/units \| item	1,473	666
ALF
Real Estate Properties [Line Items]
Number of Properties \| property		73
ALF \| New master lease agreement \| Oklahoma
Real Estate Properties [Line Items]
Number of Properties \| property	5
Number of Units \| item	184
First Year Rent \| $	$ 960
Lease term	3 years
Number of properties sold \| property	1
Number of beds or units in property sold \| item	37
Sales Price \| $	$ 800
Net Proceeds \| $	$ 769
ALF \| New master lease agreement \| Colorado, Kansas, Ohio and Texas
Real Estate Properties [Line Items]
Number of Properties \| property	17
Number of Units \| item	738
First Year Rent \| $	$ 9,325
Lease term	6 years
ALF \| New master lease agreement \| North Carolina
Real Estate Properties [Line Items]
Number of Properties \| property	5
Number of Units \| item	210
First Year Rent \| $	$ 3,300
Lease term	6 years
ALF \| New master lease agreement \| Florida
Real Estate Properties [Line Items]
Number of properties sold \| property	4
Number of beds or units in property sold \| item	176
Sales Price \| $	$ 18,750
Net Proceeds \| $	$ 14,310
ALF \| New master lease agreement \| South Carolina
Real Estate Properties [Line Items]
Number of properties sold \| property	3
Number of beds or units in property sold \| item	128
Sales Price \| $	$ 8,409
Net Proceeds \| $	$ 8,153
ALF \| New master lease agreement \| Brookdale Senior Living
Real Estate Properties [Line Items]
Number of Properties \| property	35

The number of beds or units in a real estate property sold by the entity.

No definition available.

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The number of real estate properties sold by the entity.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Amount of operating lease income from lease payments paid and payable to lessor, in the first year of lease. Excludes variable lease payments not included in measurement of lease receivable.

+ References

No definition available.

+ Details

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

- Definition

Amount of real estate properties sold.

+ References

No definition available.

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

+ Details

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

- 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 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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

Name:	us-gaap_ProceedsFromSaleOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_TypeOfArrangementAxis=ltc_NewMasterLeaseAgreementMember
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_StatementGeographicalAxis=stpr_OK
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_MajorCustomersAxis=ltc_BrookdaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: