The amount contributed by the borrower of mortgage loans.

No definition available.

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

- Definition

Amount funded under the Mortgage loan commitment for the period

+ References

No definition available.

+ Details

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

- 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

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Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Represents the amount of remaining investment commitments of the entity.

+ References

No definition available.

+ Details

Name:	ltc_InvestmentCommitmentsRemainingAmount
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- 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
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- Definition

Mortgage loan related to the bank premiums.

+ References

No definition available.

+ Details

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

Represents the amortization period of mortgage loan on real estate properties.

+ References

No definition available.

+ Details

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

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

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

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
-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

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

- Definition

Amount, before allowance for credit loss, of accrued interest on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

+ Details

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Namespace Prefix:	us-gaap_
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
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

+ 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://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

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482856/976-310-50-1

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ltc_MezzanineLoansReceivableMember
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Data Type:	na
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
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- Details

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Real Estate Investments - Mortgage Loans Activity (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) property item period	Sep. 30, 2023 USD ($) item period	Mar. 31, 2023 USD ($) item
Mortgage Loans
Originations and funding under mortgage loans receivable	$ 3,128,000		$ 62,844,000
Application of interest reserve	14,000		1,149,000
Scheduled principal payments received	(125,000)		(125,000)
Mortgage loan premium amortization	(2,000)		(2,000)
Provision for loan loss reserve	(31,000)		(639,000)
Net increase in mortgage loans receivable	2,984,000		63,227,000
Gross Investment	$ 1,342,921,000
Number of properties \| property	127
Remaining commitment	$ 66,218,000
Percentage of Investment	100.00%
Additions to mortgage loans			$ 983,000
Accrued interest receivable	$ 55,842,000
Mortgage Loans
Mortgage Loans
Gross Investment	$ 485,095,000
Number of properties \| property	46
Percentage of Investment	100.00%
Other Mortgage Loans
Mortgage Loans
Additions to mortgage loans	$ 188,000
Mezzanine loan
Mortgage Loans
Number of beds/units \| item			136
SNF
Mortgage Loans
Gross Investment	$ 597,015,000
Number of properties \| property	50
Percentage of Investment	44.50%
SNF \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)	2.25%
SNF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Gross Investment	$ 29,346,000
Interest rate (as a percent)	7.50%
Number of properties \| property	1
Percentage of Investment	6.00%
SNF \| Mortgage loans with 8.8% Interest Maturing 2028 \| Mortgage Loans
Mortgage Loans
Gross Investment	$ 16,500,000
Interest rate (as a percent)	8.80%
Number of properties \| property	1
Percentage of Investment	3.40%
ALF
Mortgage Loans
Gross Investment	$ 733,901,000
Number of properties \| property	76
Percentage of Investment	54.60%
ALF \| Mortgage Loans
Mortgage Loans
Internal Rate of Return	8.00%
ALF \| Mortgage loans with 7.3% Interest Maturing 2025, NC \| Mortgage Loans
Mortgage Loans
Gross Investment	$ 10,750,000		$ 10,750,000
Interest rate (as a percent)	7.30%
Number of properties \| property	1
Percentage of Investment	2.20%
ALF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Gross Investment	$ 51,111,000
Interest rate (as a percent)	7.50%
Number of properties \| property	1
Percentage of Investment	10.50%
ALF \| Mortgage Loans With 8.75 Interest \| Mortgage Loans
Mortgage Loans
Loan Term		3 years
Gross Investment		$ 19,500,000
Interest rate (as a percent)		8.75%
Number of beds/units \| item		85
Borrower contribution		$ 12,100,000
Remaining commitment	$ 16,600	$ 16,600
Extension term number of options \| period		2
Michigan \| ALF & MC \| Mortgage Loans With 8.75 Interest
Mortgage Loans
Loan Term	3 years
Gross Investment	$ 19,500,000
Interest rate (as a percent)	8.75%
Number of beds/units \| item	85
Borrower contribution	$ 12,100,000
Funding under mortgage loan commitment	$ 2,940,000
Extension term number of options \| period	2
Loan extension term	1 year
Georgia \| ILF/ALF/MC
Mortgage Loans
Payments to Acquire Real Estate			51,111,000
Georgia \| ILF/ALF/MC \| Mortgage Loans
Mortgage Loans
Gross Investment			$ 51,111,000
Interest rate (as a percent)			7.50%
Internal Rate of Return			7.75%
Number of beds/units \| item			203
Georgia \| ILF/ALF/MC \| Mezzanine loan
Mortgage Loans
Gross Investment			$ 42,251,000
SNF Beds
Mortgage Loans
Number of beds/units \| item	6,231
SNF Beds \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	3,041
SNF Beds \| SNF
Mortgage Loans
Number of beds/units \| item	6,113
SNF Beds \| SNF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	189
SNF Beds \| SNF \| Mortgage loans with 8.8% Interest Maturing 2028 \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	150
ALF Units
Mortgage Loans
Number of beds/units \| item	4,657
ALF Units \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	1,192
ALF Units \| SNF
Mortgage Loans
Number of beds/units \| item	236
ALF Units \| ALF
Mortgage Loans
Number of beds/units \| item	4,421
ALF Units \| ALF \| Mortgage loans with 7.3% Interest Maturing 2025, NC \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	45
ALF Units \| ALF \| Mortgage loans with 7.5% Interest Maturing 2024 \| Mortgage Loans
Mortgage Loans
Number of beds/units \| item	203
ALF Units \| North Carolina \| ALF \| Mortgage loans with 7.3% Interest Maturing 2025, NC \| Mortgage Loans
Mortgage Loans
Loan Term			2 years
Interest rate (as a percent)			7.25%
Internal Rate of Return			9.00%
Number of beds/units \| item			45