The amount agreed to fund for capital expenditure by lessor.

No definition available.

Name:	ltc_LessorAmountAgreedToFundForCapitalExpenditure
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of letter of credit drawn down for the repayment of deferred interest outstanding.

+ References

No definition available.

+ Details

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

- Definition

The amount of letter of credit owned as collateral for mortgage loans.

+ References

No definition available.

+ Details

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

- Definition

The amount of interest payment receivable on mortgage loan.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoanInterestReceivable
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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 operating lease income from lease payments paid and payable to lessor, in the second year of lease. Excludes variable lease payments not included in measurement of lease receivable.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

Name:	ltc_OperatingLeaseLeaseIncomeReceivableInThirdYear
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Term of lessor's operating lease renewal, 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_LessorOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

+ 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

- Details

Name:	srt_MajorCustomersAxis=ltc_BrookdaleMember
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_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
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:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_PrestigeHealthcareMortgageLoanMember
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_DividendsAxis=ltc_DividendPayablePeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=ltc_DividendPayablePeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DividendsAxis=ltc_DividendPayablePeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
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_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:

Subsequent Events (Details) $ / shares in Units, $ in Thousands	1 Months Ended			9 Months Ended
	Dec. 31, 2023 USD ($) $ / shares	Nov. 30, 2023 USD ($) $ / shares	Oct. 31, 2023 USD ($) property item $ / shares	Sep. 30, 2023 USD ($) property	Sep. 30, 2022 item
Equity
Number of properties \| property				143
Number of beds/units \| item					217
Interest rate (as a percent)					7.25%
Brookdale Senior Living \| Master lease agreement
Equity
Number of properties \| property				35
Lease term				6 years
Rental income to be received in first year				$ 8,000
Fund for capital expenditures				$ 4,500
ALF
Equity
Number of properties \| property				92
Subsequent Event \| Prestige Healthcare Mortgage Loan [Member]
Equity
Amount of letter of credit drawn down for the repayment of deferred interest outstanding	$ 334	$ 334	$ 2,767
Amount of letter of credit owned as collateral for mortgage loans			4,945
Amount of interest payment receivable on mortgage loan			$ 19,539
Interest rate (as a percent)			8.50%
Subsequent Event \| Brookdale Senior Living \| Master lease agreement
Equity
Number of properties \| property			7
Lease term			3 years
Lease renewal term			4 years
Rental income to be received in first year			$ 960
Rental income to be received in second year			984
Rental income to be received in third year			$ 1,150
Subsequent Event \| Brookdale Senior Living \| New master lease agreement
Equity
Number of properties \| property			17
Rental income to be received in first year			$ 9,325
Fund for capital expenditures			$ 7,150
Subsequent Event \| Dividend Payable, October 31, 2023
Equity
Dividends declared and paid per common share \| $ / shares			$ 0.19
Subsequent Event \| Dividend Payable, November 30, 2023
Equity
Dividends declared and paid per common share \| $ / shares		$ 0.19
Subsequent Event \| Dividend Payable, December 29, 2023
Equity
Dividends declared and paid per common share \| $ / shares	$ 0.19
Subsequent Event \| Common Stock \| Dividend Payable, October 31, 2023
Equity
Dividends declared and paid per common share \| $ / shares			$ 0.19
Subsequent Event \| Common Stock \| Dividend Payable, November 30, 2023
Equity
Dividends declared and paid per common share \| $ / shares		$ 0.19
Subsequent Event \| Common Stock \| Dividend Payable, December 29, 2023
Equity
Dividends declared and paid per common share \| $ / shares	$ 0.19
Subsequent Event \| Ohio \| Brookdale Senior Living \| Master lease agreement
Equity
Number of properties \| property			1
Subsequent Event \| Texas \| Brookdale Senior Living \| Master lease agreement
Equity
Number of properties \| property			6
Subsequent Event \| Oklahoma \| Brookdale Senior Living \| Master lease agreement
Equity
Number of properties \| property			6
Subsequent Event \| ALF \| Ohio \| Brookdale Senior Living \| Master lease agreement
Equity
Number of beds/units \| item			42
Subsequent Event \| ALF \| Texas \| Brookdale Senior Living \| Master lease agreement
Equity
Number of beds/units \| item			235
Subsequent Event \| ALF \| Oklahoma \| Brookdale Senior Living \| Master lease agreement
Equity
Number of beds/units \| item			219