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 cash return percentage on the investment in the joint venture.

+ References

No definition available.

+ Details

Name:	ltc_JointVentureCashReturn
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Duration of extension periods on leases.

+ References

No definition available.

+ Details

Name:	ltc_LessorOperatingLeaseExtensionPeriods
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum percentage of purchase option to buy properties.

+ References

No definition available.

+ Details

Name:	ltc_MaximumPercentageOfPurchaseOptionToBuyProperties
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of assisted living and memory care communities.

+ References

No definition available.

+ Details

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

- Definition

The number of assisted living communities transitioned to existing operator.

+ References

No definition available.

+ Details

Name:	ltc_NumberOfAssistedLivingCommunitiesTransitionedToExistingOperator
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
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

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

Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

Name:	us-gaap_RealEstateInvestmentPropertyAtCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

Name:	us-gaap_RealEstateInvestmentPropertyNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_TypeOfArrangementAxis=ltc_PurchaseOptionInLeaseArrangementsMember
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=ltc_ColoradoKansasOhioAndTexasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=ltc_BrookdaleMember
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_OK
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_StatementGeographicalAxis=stpr_OH
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:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
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_TN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

Real Estate Investments - Purchase options (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024 USD ($) property item	Dec. 31, 2022 item	Dec. 31, 2023 USD ($) item property
Real estate investments
Number of Properties \| property	127
Gross Investment	$ 1,342,921
Net Book Value	956,366		$ 987,965
Purchase Option in Lease Arrangements
Real estate investments
Gross Investment	481,586
Net Book Value	$ 411,066
ALF
Real estate investments
Number of Properties \| property	76
Gross Investment	$ 733,901
ALF \| Purchase Option in Lease Arrangements \| Colorado/Kansas/Ohio/Texas \| Brookdale Senior Living
Real estate investments
Number of Properties \| property			17
Number of units \| item			738
Lease term			6 years
ALF \| Purchase Option in Lease Arrangements \| North Carolina
Real estate investments
Number of Properties \| property	5		5
Gross Investment	$ 14,404
Net Book Value	$ 6,844
Number of units \| item			210
ALF \| Purchase Option in Lease Arrangements \| Oklahoma
Real estate investments
Number of ALF transferred to existing operator \| property			5
Number of units \| item			184
Lease term, extension period			4 years
MC \| Purchase Option in Lease Arrangements \| Ohio
Real estate investments
Number of Properties \| property	1
Gross Investment	$ 16,161
Net Book Value	$ 13,378
ALF & MC
Real estate investments
Lease term	10 years
Maximum percentage of purchase option to buy properties	50.00%
Percentage of cash return	9.00%
ALF & MC \| Purchase Option in Lease Arrangements \| California
Real estate investments
Number of Properties \| property	2
Gross Investment	$ 38,895
Net Book Value	$ 32,542
ALF & MC \| Purchase Option in Lease Arrangements \| Colorado/Kansas/Ohio/Texas
Real estate investments
Number of Properties \| property	17
Gross Investment	$ 58,723
Net Book Value	$ 26,089
ALF & MC \| Purchase Option in Lease Arrangements \| Georgia/South Carolina
Real estate investments
Number of Properties \| property	2
Gross Investment	$ 31,433
Net Book Value	$ 24,682
ALF & MC \| Purchase Option in Lease Arrangements \| North Carolina
Real estate investments
Number of Properties \| property	11
Gross Investment	$ 121,321
Net Book Value	$ 121,321
Number of units \| item	523
Lease term	10 years
Number of assisted living and memory care communities \| item	11
Maximum percentage of purchase option to buy properties	50.00%
Percentage of cash return	9.00%
ALF & MC \| Purchase Option in Lease Arrangements \| Oklahoma
Real estate investments
Number of Properties \| property	5
Gross Investment	$ 11,221
Net Book Value	$ 4,332
SNF
Real estate investments
Number of Properties \| property	50
Gross Investment	$ 597,015
Lease term	10 years
SNF \| Purchase Option in Lease Arrangements \| Florida
Real estate investments
Number of Properties \| property	3
Gross Investment	$ 76,669
Net Book Value	$ 76,669
SNF \| Purchase Option in Lease Arrangements \| Tennessee
Real estate investments
Number of Properties \| property	2
Gross Investment	$ 5,275
Net Book Value	$ 2,227
SNF \| Purchase Option in Lease Arrangements \| Texas
Real estate investments
Number of Properties \| property	4
Gross Investment	$ 52,726
Net Book Value	$ 50,036
Number of properties acquired \| item		4
Lease term		10 years
ILF/ALF/MC \| Purchase Option in Lease Arrangements \| Ohio
Real estate investments
Number of Properties \| property	1
Gross Investment	$ 54,758
Net Book Value	$ 52,946