Amount with held in reserve.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The amount of commitment for working capital in areal estate mortgage loan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount spent under the capital commitment

+ References

No definition available.

+ Details

Name:	ltc_FundedCommitment
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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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

Represents the amount of loan commitments of the entity.

+ References

No definition available.

+ Details

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

- 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

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Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- 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

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

+ References

No definition available.

+ Details

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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

Number of real estate properties acquired.

+ References

No definition available.

+ Details

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

- Definition

Number of senior mortgage loans.

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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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

Amount of addition to 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 from application of share premium.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateCompaniesInvestmentInMortgageLoansOnRealEstateApplicationOfSharePremium
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of 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 FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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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

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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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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

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

- Details

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Name:	us-gaap_InvestmentTypeAxis=us-gaap_MortgagesMember
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Real Estate Investments - Mortgage Loans Activity (Details)	1 Months Ended	12 Months Ended
	Jan. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($) a property loan item	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Mortgage Loans
Originations and funding under mortgage loans receivable		$ 40,732,000	$ 88,955,000	$ 4,253,000
Application of interest reserve		6,192,000	298,000
Scheduled principal payments received		(1,175,000)	(1,175,000)	(1,065,000)
Mortgage loan premium amortization		(6,000)	(6,000)	(4,000)
Provision (recovery) for loan loss reserve		(457,000)	(881,000)	(32,000)
Net increase (decrease) in mortgage loans receivable		$ 45,286,000	87,191,000	3,152,000
Number of senior mortgage loans \| loan		2
Area of land \| a		7.6
Loan Term		4 years
Interest rate (as a percent)		7.25%
Internal Rate of Return		8.00%
Gross Investment		$ 58,972,000
Number of beds/units \| item		217
Extension term number of options		2
Extension term		1 year
Carrying Amount of Mortgages		$ 389,728,000	344,442,000	257,251,000	$ 254,099,000
Additions to mortgage loans			$ 9,900,000
Minimum
Mortgage Loans
Interest rate (as a percent)			4.00%
Maximum
Mortgage Loans
Loan Term		4 years
Interest rate (as a percent)			8.00%
Mortgage Loans
Mortgage Loans
Gross Investment		$ 393,658,000
Number of properties \| property		41
Percentage of Investment		100.00%
Additions to mortgage loans		$ 2,000,000	$ 540,000
Mezzanine loan
Mortgage Loans
Loan Term		5 years
Interest rate (as a percent)		8.00%
Number of beds/units \| property		621
Mezzanine loan \| Subsequent Event
Mortgage Loans
Number of beds/units \| item	136
Mortgages With 8.89 Percent Interest With Escalation [Member] \| Mortgage Loans
Mortgage Loans
Additions to mortgage loans				$ 2,000,000
SNF \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)		2.25%
SNF \| Mortgage loans with 7.5% Interest Maturing 2022 \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item		91
ALF
Mortgage Loans
Number of beds/units \| item		74
Missouri \| SNF \| Mortgage loans with 7.5% Interest Maturing 2022 \| Mortgage Loans
Mortgage Loans
Loan Term			1 year
Interest rate (as a percent)			7.50%
Gross Investment			$ 1,638,000
Number of beds/units \| item			91
Amount With held in Reserve			$ 142,000
Louisiana \| SNF \| Mortgage loans with 7.5% Interest Maturing 2022 \| Mortgage Loans
Mortgage Loans
Loan Term			3 years
Interest rate (as a percent)			7.50%
Gross Investment			$ 27,047,000
Number of beds/units \| item			189
Extension term number of options \| item			1
Extension term			12 months
Florida \| ALF \| Mortgages With 7.75% Interest \| Mortgage Loans
Mortgage Loans
Loan Term			4 years
Interest rate (as a percent)			7.75%
Gross Investment			$ 11,724,000
Number of beds/units \| item			68
Amount With held in Reserve			$ 806,000
Origination/Funding			4,177,000
Application of mortgage premium			$ 156,000
California \| Mortgage Loans
Mortgage Loans
Loan Term			4 years
Amount With held in Reserve			$ 4,496,000
Number of real estate properties acquired \| item			13
Carrying Amount of Mortgages			$ 48,006,000
Funded commitment			6,097,000
Commitment for working capital			$ 650,000
California \| ALF \| Mortgages With 7.75% Interest \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)			7.25%
North Carolina \| Subsequent Event
Mortgage Loans
Payments to Acquire Real Estate	$ 10,750,000
Loan Term	2 years
Interest rate (as a percent)	7.25%
Internal Rate of Return	9.00%
North Carolina \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)		7.30%
Carrying Amount of Mortgages		$ 788,000
North Carolina \| ALF
Mortgage Loans
Number of properties \| property		4
SNF Beds \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item		2,891