Amount of contingent rental income.

No definition available.

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

- Definition

The amount of increase (decrease ) in cash revenue.

+ References

No definition available.

+ Details

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

- Definition

The amount of increase (decrease) in revenue during the reporting period.

+ References

No definition available.

+ Details

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

- Definition

Number of operators.

+ References

No definition available.

+ Details

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

- Definition

Percentage of contractual rent.

+ References

No definition available.

+ Details

Name:	ltc_PercentageOfContractualRent
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of reduction in rent and interest escalations.

+ References

No definition available.

+ Details

Name:	ltc_PercentageOfReductionInRentAndInterestEscalations
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period following the option window for ending date.

+ References

No definition available.

+ Details

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

- Definition

Reimbursement of tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land).

+ References

No definition available.

+ Details

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

- Definition

The amount of rent abatements and deferrals due to the effect of COVID 19 Pandemic.

+ References

No definition available.

+ Details

Name:	ltc_RentAbatementsAndDeferralsCovid19
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of rent abatements as a result of COVID 19.

+ References

No definition available.

+ Details

Name:	ltc_RentAbatementsCovid19
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount deferrals due to COVID 19.

+ References

No definition available.

+ Details

Name:	ltc_RentDeferralsCovid19
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash basis on rental income

+ References

No definition available.

+ Details

Name:	ltc_RentalIncomePercentageOnCashBasis
Namespace Prefix:	ltc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of amortization of lease incentive costs incurred by the lessor for the benefit of the lessee.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121549951&loc=d3e40010-112707

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=121549951&loc=d3e40019-112707

+ Details

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

- References

No definition available.

+ Details

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

- 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

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919311-209978

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306

+ Details

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981

+ Details

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

- Definition

Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981

+ Details

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

- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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 (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

Name:	us-gaap_ProvisionForLoanLeaseAndOtherLosses
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://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 http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ 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

+ 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

- Definition

Difference between actual rental income due and rental income recognized on a straight-line basis.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

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

- Definition

Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_TypeOfArrangementAxis=ltc_PurchaseOptionInLeaseArrangementsMember
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_CA
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_StatementGeographicalAxis=stpr_CO
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_StatementGeographicalAxis=stpr_FL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=ltc_OhioAndKentuckyMember
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_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingAndMemoryCarePropertiesMember
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:	us-gaap_InvestmentTypeAxis=us-gaap_RealEstateInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Investments - Lease (Details)	3 Months Ended		6 Months Ended
Real Estate Investments - Lease (Details)	Jun. 30, 2021 USD ($) property	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) property item	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Real estate investments
Number of operators \| item			18
Rental income on cash basis	51
Write-off of straight-line rent and lease incentives balances			$ 758,000	$ 17,742,000
Carrying value	$ 1,053,072,000		1,053,072,000		$ 1,102,358,000
Income and Expenses, Lessor [Abstract]
Base cash rental income	26,410,000	$ 33,336,000	55,033,000	66,351,000
Variable cash rental income	3,529,000	4,155,000	7,067,000	8,437,000
Straight-Line Rent	(19,000)	634,000	663,000	1,473,000
Adjustment for collectability of rental income and lease incentives		(17,742,000)	(758,000)	(17,742,000)
Amortization of Lease Incentives	(116,000)	(108,000)	(228,000)	(209,000)
Total Rental Income	29,804,000	20,275,000	61,777,000	58,310,000
Real estate taxes reimbursed	3,529,000	4,111,000	7,067,000	8,333,000
Contingent rental income		$ 44,000		$ 104,000
Rent deferrals	2,243,000		2,243,000
Rent abatements			1,669,000
Rent abatements and deferrals			$ 3,912,000
Percentage of contractual rent			4.80%
Percentage of reduction in rent and interest escalations			50.00%
Decrease of revenue			$ (462,000)
Decrease in cash			(1,337,000)
Purchase Option in Lease Arrangements
Real estate investments
Gross Investment	159,696,000		159,696,000
Carrying value	$ 131,269,000		$ 131,269,000
ALF \| Purchase Option in Lease Arrangements \| California
Real estate investments
Number of properties \| property	2		2
Gross Investment	$ 31,577,000		$ 31,577,000
Carrying value	$ 17,323,000		$ 17,323,000
ALF \| Purchase Option in Lease Arrangements \| California \| Minimum
Real estate investments
Purchase option ending period			24 months
ALF \| Purchase Option in Lease Arrangements \| California \| Maximum
Real estate investments
Purchase option ending period			48 months
ALF \| Purchase Option in Lease Arrangements \| Colorado
Real estate investments
Number of properties \| property	1		1
Gross Investment	$ 6,764,000		$ 6,764,000
Carrying value	$ 5,418,000		$ 5,418,000
MC \| Purchase Option in Lease Arrangements \| Florida
Real estate investments
Number of properties \| property	1		1
Gross Investment	$ 15,173,000		$ 15,173,000
Carrying value	$ 13,153,000		$ 13,153,000
MC \| Purchase Option in Lease Arrangements \| Ohio and Kentucky
Real estate investments
Number of properties \| property	2		2
Gross Investment	$ 30,342,000		$ 30,342,000
Carrying value	$ 26,918,000		$ 26,918,000
MC \| Purchase Option in Lease Arrangements \| Texas
Real estate investments
Number of properties \| property	2		2
Gross Investment	$ 25,265,000		$ 25,265,000
Carrying value	$ 23,405,000		$ 23,405,000
ALF and MC \| Purchase Option in Lease Arrangements \| California
Real estate investments
Number of properties \| property	2		2
Gross Investment	$ 38,895,000		$ 38,895,000
Carrying value	$ 35,130,000		$ 35,130,000
ALF and MC \| Purchase Option in Lease Arrangements \| South Carolina
Real estate investments
Number of properties \| property	1		1
Gross Investment	$ 11,680,000		$ 11,680,000
Carrying value	$ 9,922,000		$ 9,922,000
Real Estate Investment
Real estate investments
Number of properties \| property	154		154
Gross Investment	$ 1,412,329,000		$ 1,412,329,000
Real Estate Investment \| ALF
Real estate investments
Number of properties \| property	102		102
Gross Investment	$ 840,502,000		$ 840,502,000