Represents the additional preferred capital contributions in the joint venture committed during the period.

No definition available.

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

- Definition

Amount with held in reserve.

+ References

No definition available.

+ Details

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

- Definition

Amount of application of interest reserve.

+ References

No definition available.

+ Details

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

- Definition

Amount of earned received from equity method investee for return on investment, classified as operating activities.

+ References

No definition available.

+ Details

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

- Definition

The amount of income from unconsolidated joint ventures.

+ References

No definition available.

+ Details

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

Represents the percentage of internal rate of return of the joint venture.

+ References

No definition available.

+ Details

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

- Definition

Represents the preferred return percentage contractual cash portion on the investment in the joint venture

+ References

No definition available.

+ Details

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

- Definition

Represents the preferred return percentage on the investment in the joint venture.

+ References

No definition available.

+ Details

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

- Definition

Amount of reserve for preferred equity investment.

+ References

No definition available.

+ Details

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

- 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

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(12))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(10))
-URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(f))
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

+ Details

Name:	us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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 book value of investments in real estate joint ventures including direct and indirect investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

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

- Definition

The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

+ References

+ Details

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

- Definition

The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityFinancialOrOtherSupportAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ltc_JointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_StatementScenarioAxis=ltc_InternalRateOfReturnIsUntilEightPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=ltc_InternalRateOfReturnIsBetweenTwelveAndFourteenPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
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:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_CombinationOfIlfAndAlfMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Investment in Unconsolidated Joint Ventures - Investment (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) item	Sep. 30, 2021 USD ($) item	Sep. 30, 2022 USD ($) item	Sep. 30, 2021 USD ($) item	Dec. 31, 2021 USD ($)
Investment in Unconsolidated Joint Ventures
Number of beds/units \| item	217		217
Carrying Value	$ 19,340,000		$ 19,340,000		$ 19,340,000
Income from unconsolidated joint ventures	$ 376,000	$ 376,000	1,127,000	$ 1,041,000
Application of Interest Reserve			4,348,000
Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Capital Contributions				8,000,000
Income Recognized			1,127,000	1,041,000
Cash Interest Earned			351,000
Application of Interest Reserve			$ 776,000	916,000
Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Number of beds/units \| item	95		95
Carrying Value	$ 19,340,000		$ 19,340,000
UDP \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Capital Contributions				8,000,000
Income Recognized			790,000	704,000
Cash Interest Earned			351,000
Application of Interest Reserve			$ 439,000	616,000
UDP \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington
Investment in Unconsolidated Joint Ventures
Preferred return percentage			12.00%
Contractual cash portion			8.00%
Number of beds/units \| item	267		267
Carrying Value	$ 13,000,000		$ 13,000,000
Percentage of Investment	11.60%		11.60%
Percentage of cash return			8.00%
Percentage of internal rate of return			12.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary
Investment in Unconsolidated Joint Ventures
Income Recognized			$ 337,000	337,000
Application of Interest Reserve			$ 337,000	$ 300,000
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Internal Rate of Return is Until Eight Percent
Investment in Unconsolidated Joint Ventures
Percentage of internal rate of return			8.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Minimum
Investment in Unconsolidated Joint Ventures
Percentage of internal rate of return			12.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| The Internal Rate of Return is Between Twelve and Fourteen Percent \| Maximum
Investment in Unconsolidated Joint Ventures
Percentage of internal rate of return			14.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington
Investment in Unconsolidated Joint Ventures
Preferred return percentage			12.00%
Contractual cash portion			7.00%
Number of beds/units \| item	95		95
Carrying Value	$ 6,340,000		$ 6,340,000
Percentage of Investment	15.50%		15.50%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent \| Minimum
Investment in Unconsolidated Joint Ventures
Percentage of cash return			7.00%
Combination ALF/MC \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington \| Internal Rate of Return is Until Eight Percent \| Maximum
Investment in Unconsolidated Joint Ventures
Percentage of cash return			9.00%
Combination ILF/ALF \| Preferred Equity Investment \| Joint Venture \| Not primary beneficiary \| Washington
Investment in Unconsolidated Joint Ventures
Number of beds/units \| item		267		267
Reserve withheld		$ 2,324		$ 2,324
Additional preferred capital contributions in joint venture committed				8,000,000
Amount of joint venture investment		13,000,000		13,000,000
Reserve for preferred equity investment		$ 3,777		$ 3,777