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

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-2

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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:	us-gaap_TypeOfArrangementAxis=ltc_MasterLeaseAgreementMember
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_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
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_NC
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_StatementGeographicalAxis=stpr_OK
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ltc_NewMasterLeaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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_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:	srt_StatementGeographicalAxis=stpr_CA
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_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
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_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_IndependentAssistedLivingAndMemoryCareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MajorCustomersAxis=ltc_EncoreSeniorLivingMember
Namespace Prefix:
Data Type:	na
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Real Estate Investments - Purchase options (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($) item property	Dec. 31, 2023 USD ($) property item community	Dec. 31, 2022 USD ($) item property	Dec. 31, 2021 USD ($)	Jan. 31, 2024	Jan. 01, 2024 item	Nov. 30, 2023	Jun. 30, 2023 item
Real estate investments
Gross Investment			$ 61,101
Net book value		$ 1,019,218	987,965	$ 1,019,218
Impairment loss			$ 15,775	3,422	$ 0
Number of properties \| property			134
Purchase Option in Lease Arrangements
Real estate investments
Gross Investment			$ 396,347
Net book value			$ 367,856
Master lease agreement \| Brookdale Senior Living
Real estate investments
Number of properties \| property			35
ALF
Real estate investments
Impairment loss			$ 15,775	$ 3,422
Number of properties \| property			83
Number of properties acquired \| property			1
Number of units \| item		74		74
ALF \| Florida
Real estate investments
Impairment loss	$ 434	$ 1,222		$ 1,222
ALF \| North Carolina
Real estate investments
Number of properties \| property		4		4
Number of units \| item		217		217
ALF \| Texas
Real estate investments
Impairment loss			$ 3,265
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
ALF \| New master lease agreement \| Brookdale Senior Living
Real estate investments
Number of units \| item			738
ALF \| New master lease agreement \| Brookdale Senior Living \| Subsequent Event
Real estate investments
Lease term						6 years
ALF \| New master lease agreement \| North Carolina
Real estate investments
Number of units \| item		210		210
ALF \| New master lease agreement \| North Carolina \| Subsequent Event
Real estate investments
Lease term						6 years
ALF \| New master lease agreement \| Ohio \| Brookdale Senior Living
Real estate investments
Number of properties \| property			1
ALF \| New master lease agreement \| Oklahoma
Real estate investments
Number of properties \| community			5
Number of units \| item			184
Lease term								3 years
ALF \| New master lease agreement \| Texas \| Brookdale Senior Living
Real estate investments
Number of properties \| property			6
MC \| Purchase Option in Lease Arrangements \| Florida
Real estate investments
Gross Investment			$ 7,680
Net book value			4,611
Impairment loss			$ 7,522
Number of properties \| property			1
MC \| Purchase Option in Lease Arrangements \| Ohio
Real estate investments
Gross Investment			$ 16,161
Net book value			$ 13,488
Number of properties \| property			1
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 \| North Carolina
Real estate investments
Number of units \| item	523
Number of assisted living and memory care communities \| item	11
ALF & MC \| Purchase Option in Lease Arrangements \| California
Real estate investments
Gross Investment			$ 38,895
Net book value			$ 32,778
Number of properties \| property			2
ALF & MC \| Purchase Option in Lease Arrangements \| North Carolina
Real estate investments
Gross Investment			$ 121,321
Net book value			$ 121,321
Number of properties \| property			11
Number of units \| item			523
Lease term			10 years
Number of assisted living and memory care communities \| property			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
Gross Investment			$ 11,202
Net book value			$ 4,394
Number of properties \| property			5
ALF & MC \| Purchase Option in Lease Arrangements \| South Carolina
Real estate investments
Gross Investment			$ 11,680
Net book value			$ 8,475
Number of properties \| property			1
SNF
Real estate investments
Number of properties \| property			50
Number of properties acquired \| property				4
Lease term			10 years
SNF \| Florida
Real estate investments
Number of units \| item		299		299
SNF \| Texas
Real estate investments
Lease term			10 years
SNF \| Texas \| Subsequent Event
Real estate investments
Number of units \| item							1,444
SNF \| Purchase Option in Lease Arrangements \| Florida
Real estate investments
Gross Investment			$ 76,690
Net book value			$ 76,690
Number of properties \| property			3
Number of properties acquired \| item				3
Number of units \| item		299		299
Lease term		10 years		10 years
SNF \| Purchase Option in Lease Arrangements \| Tennessee
Real estate investments
Gross Investment			$ 5,275
Net book value			$ 2,263
Number of properties \| property			2
SNF \| Purchase Option in Lease Arrangements \| Texas
Real estate investments
Gross Investment			$ 52,726
Net book value			$ 50,388
Number of properties \| property			4
Number of properties acquired \| item				4
SNF \| Master lease agreement \| Florida
Real estate investments
Number of units \| item			216
SNF \| Master lease agreement \| Tennessee
Real estate investments
Number of properties \| item			141
SNF \| Master lease agreement \| Texas \| Subsequent Event
Real estate investments
Number of units \| item							1,444
ILF/ALF/MC \| Ohio
Real estate investments
Number of units \| item									242
ILF/ALF/MC \| Ohio \| Encore Senior Living
Real estate investments
Lease term			10 years
ILF/ALF/MC \| Purchase Option in Lease Arrangements \| Ohio
Real estate investments
Gross Investment			$ 54,717
Net book value			$ 53,448
Number of properties \| property			1