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

No definition available.

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

Represents internal rate of return on mortgage loan on real estate property.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoanOnRealEstateInternalRateOfReturn
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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 prepayment fee and exit internal rate of return received from notes receivable.

+ References

No definition available.

+ Details

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

- Definition

The amount of principal amount of notes receivable.

+ References

No definition available.

+ Details

Name:	ltc_NotesReceivablePrincipalAmount
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of additional units of real estate properties to be constructed.

+ References

No definition available.

+ Details

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

- Definition

Number of property seniors house.

+ References

No definition available.

+ Details

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

- Definition

Represents number of real estate property communities.

+ References

No definition available.

+ Details

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

- 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
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column B
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column B))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1

+ Details

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

- References

No definition available.

+ Details

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

- 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 to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

+ Details

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

- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

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

+ Details

Name:	us-gaap_ProceedsFromCollectionOfNotesReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_MortgagesMember
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_StatementGeographicalAxis=stpr_GA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
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_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_NotesReceivableMember
Namespace Prefix:
Data Type:	na
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Notes Receivable - New Loan Commitment (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) item	Mar. 31, 2023 USD ($)	Sep. 30, 2023 USD ($) item	Sep. 30, 2022 USD ($) item property
Notes receivable activities
Gross Investment	$ 1,405,848		$ 1,405,848
Principal payments received on notes receivable			7,077	$ 6,618
Additional interest income related to the exit IRR			1,380
Amounts funded			19,258	$ 37,008
Loan Term				4 years
Interest rate (as a percent)				7.25%
Number of units \| item				217
Mortgage Loans
Notes receivable activities
Gross Investment	478,344		478,344
Mortgage Loans \| ILF/ALF/MC \| Georgia
Notes receivable activities
Gross Investment	$ 51,111		$ 51,111
Interest rate (as a percent)			7.50%
Number of units \| item	203		203
Loan principal amount	$ 7,461		$ 7,461
Maximum
Notes receivable activities
Loan Term				4 years
Mezzanine loan
Notes receivable activities
Principal payments received on notes receivable			4,545
Additional interest income related to the exit IRR		$ 1,380
Exit IRR			$ 190
Amounts funded				$ 25,000
Number of property \| property				5
Loan Term				5 years
Extension term number of options \| item				2
Extension term				1 year
Interest rate (as a percent)				8.00%
IRR on mortgage loan on real estate property				11.00%
Number of real estate property communities \| property				5
Number of units \| item	136		136	621
Mezzanine loan \| Georgia
Notes receivable activities
Number of additional units under construction \| item	89		89
Loan Term	5 years
Interest rate (as a percent)	8.75%
IRR on mortgage loan on real estate property	12.00%
Number of units \| item	130		130
Mezzanine loan \| ILF/ALF/MC \| Georgia
Notes receivable activities
Gross Investment	$ 42,251		$ 42,251
Notes Receivable
Notes receivable activities
Gross Investment	$ 63,693		$ 63,693