The increase (decrease) during the reporting period in the value of mortgage loans.

No definition available.

Name:	ltc_IncreaseDecreaseInMortgageLoans
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the percentage of internal rate of return.

+ References

No definition available.

+ Details

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

- Definition

The amount of interest income on investment in real estate mortgage loans.

+ References

No definition available.

+ Details

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

- Definition

Extension term for mortgage loan on real estate properties.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoanOnRealEstateAmortizationExtensionTerm
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of extension term for mortgage loan on real estate properties.

+ References

No definition available.

+ Details

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

- Definition

Mortgage loan related to the bank premiums.

+ References

No definition available.

+ Details

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

- Definition

The application of interest reserve on real estate mortgage loans.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoansApplicationOfInterestReserve
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amortization period of mortgage loan on real estate properties.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoansOnRealEstateAmortizationPeriod
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of scheduled principal collected on mortgage loans on real estate during the reporting period. Excludes mortgage payoffs.

+ References

No definition available.

+ Details

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

- Definition

Total amount of new mortgage loans and other additions on real estate during the reporting period.

+ References

No definition available.

+ Details

Name:	ltc_OriginationsAndFundingUnderMortgageLoansReceivable
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The Amount of expense related to loss recovery from loan and loss of reserve

+ References

No definition available.

+ Details

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

- Definition

Represents the investments in real estate held solely for investment purposes expressed as a percentage.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateInvestmentsPercentage
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column B
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column B))
-URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstateInterestRate
Namespace Prefix:	srt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

+ Details

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

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireRealEstate
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_RealEstateLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ltc_MezzanineLoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith7.5InterestMaturing2024Member
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_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_GA
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_SkilledNursingFacilityBedsMember
Namespace Prefix:
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Real Estate Investments - Mortgage Loans Activity (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) item property	Mar. 31, 2022 USD ($) item	Dec. 31, 2022 USD ($) item
Mortgage Loans
Originations and funding under mortgage loans receivable	$ 62,844	$ 1,026
Application of interest reserve	1,149	1,223
Scheduled principal payments received	(125)	(125)
Mortgage loan premium amortization	(2)	(2)
Provision (recovery) for loan loss reserve	(639)	(21)
Net increase (decrease) in mortgage loans receivable	63,227	$ 2,101
Notes receivable, net of credit loss reserve	46,467		$ 58,383
Additional interest income related to the exit IRR	$ 1,380
Mortgage Loans
Mortgage Loans
Number of properties \| property	43
Percentage of Investment	100.00%
Mezzanine loan
Mortgage Loans
Loan Term		5 years
Interest rate (as a percent)		8.00%
Number of beds/units \| item	136	621
Additional interest income related to the exit IRR	$ 1,380
Extension term number of options \| item		2
Extension term		1 year
Mortgage loans with 7.5% Interest Maturing 2024 \| Mezzanine loan
Mortgage Loans
Notes receivable, net of credit loss reserve	$ 7,461
SNF \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)	2.25%
SNF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)	7.50%
Number of properties \| property	1
Percentage of Investment	6.40%
ALF \| Mortgage Loans
Mortgage Loans
Internal Rate of Return	8.00%
ALF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)	7.50%
Number of properties \| property	1
Percentage of Investment	11.20%
Florida \| SNF
Mortgage Loans
Number of beds/units \| item			299
Georgia \| ILF/ALF/MC \| Mortgage Loans
Mortgage Loans
Payments to Acquire Real Estate	$ 51,111
Interest rate (as a percent)	7.50%
Internal Rate of Return	7.75%
Number of beds/units \| item	203
SNF Beds \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	2,891
SNF Beds \| SNF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	189