The book value of additional amount funded under mortgage loan receivables.

No definition available.

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- Definition

The amount contributed by the borrower of mortgage loans.

+ References

No definition available.

+ Details

Name:	ltc_BorrowerContributionToFund
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total amount of mortgage loans exchange for controlling interest in joint ventures accounted for as financial receivables.

+ References

No definition available.

+ Details

Name:	ltc_ExchangeOfMortgageLoansForControllingInterestInJointVentures
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

Name:	ltc_IncreaseDecreaseInMortgageLoans
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 remaining investment commitments of the entity.

+ References

No definition available.

+ Details

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

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

- 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

Name:	ltc_MortgageLoansOnRealEstateAdditions
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

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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

The number of real estate properties collateralized.

+ References

No definition available.

+ Details

Name:	ltc_NumberOfPropertiesCollateralized
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

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

- Definition

Represents the proceeds received from the early payoff of a mortgage loan.

+ References

No definition available.

+ Details

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

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 S50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478322/948-310-S50-2

Reference 3: 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/1943274/2147479628/948-310-S99-1

+ Details

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Namespace Prefix:	srt_
Data Type:	dtr-types:percentItemType
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

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

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/1943274/2147478777/944-210-S99-1

Reference 2: 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)(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-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/1943274/2147477332/976-310-50-1

+ Details

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

- Details

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- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=ltc_OtherMortgageLoansMember
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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
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Data Type:	na
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Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SeniorsHousingCommunityPropertiesMember
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Real Estate Investments - Mortgage Loans Activity (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 property	Sep. 30, 2024 USD ($) property	Sep. 30, 2025 USD ($) property	Sep. 30, 2024 USD ($) property	Dec. 31, 2024 USD ($) item	Sep. 30, 2025 USD ($)	Sep. 30, 2025 item	Sep. 30, 2025 period
Mortgage Loans
Originations and funding under mortgage loans receivable			$ 99,590	$ 19,078
Exchange of mortgage loans for controlling interests in joint ventures accounted for as financing receivables		$ (64,450)		(102,435)
Pay-offs received			(21,281)	(34,094)
Application of interest reserve				169
Scheduled principal payments received			(450)	(380)
Mortgage loan premium amortization			(6)	(4)
(Provision) recovery for loan loss reserve			(779)	1,176
Net (decrease) increase in mortgage loans receivable			$ 77,074	(116,490)
Gross Investment						$ 1,596,451
Number of beds/units \| item							213
Number of Properties	128		128				128
Remaining commitment						61,993
Mortgage Loans
Mortgage Loans
Gross Investment						393,587
Number of Properties \| property	27		27
Other Mortgage Loans
Mortgage Loans
Additions to mortgage loans				767
SNF
Mortgage Loans
Gross Investment						599,663
Number of Properties	50		50				50
SNF \| Mortgage loans with 8.8% Interest Maturing 2028 \| Mortgage Loans
Mortgage Loans
Interest rate (as a percent)			9.00%
SH
Mortgage Loans
Gross Investment						984,783
Number of Properties	77		77				77
SH \| Mortgage Loans With 8.3% Interest Maturing 2030 \| Mortgage Loans
Mortgage Loans
Gross Investment						55,350
Number of Properties \| property	2		2
Interest rate (as a percent)			8.30%
ALF \| Mortgage Loans With 8.75 Interest \| Mortgage Loans
Mortgage Loans
Remaining commitment						3,013
Michigan \| ALF/MC \| Mortgage Loans With 8.75 Interest
Mortgage Loans
Gross Investment						19,500
Number of beds/units \| item							85
Borrower contribution			$ 12,100
Loan Term			3 years
Interest rate (as a percent)			8.75%
Loan extension term			1 year
Funding under mortgage loan commitment						3,733
Extension term number of options \| period								2
Florida \| ILF/ALF/MC \| Mortgage loans with 8.5% interest
Mortgage Loans
Gross Investment		19,500		19,500		42,300
Number of beds/units \| item							250
Loan Term			5 years
Interest rate (as a percent)			8.50%
Funding under mortgage loan commitment		$ 9,999		9,999		39,330
California \| ALF/MC \| Mortgage Loans With 8.3% Interest Maturing 2030
Mortgage Loans
Gross Investment						57,550
Number of beds/units \| item							171
Number of Properties \| property	2		2
Loan Term			5 years
Interest rate (as a percent)			8.30%
Funding under mortgage loan commitment						55,350
Illinois \| Mortgage Loans
Mortgage Loans
Gross Investment					$ 26,120
Number of beds/units \| item					116
Borrower contribution					$ 12,300
Interest rate (as a percent)					9.00%
Internal Rate of Return					9.50%
Illinois \| ILF/ALF/MC \| Mortgage Loans With 9.0 Interest Maturing 2030
Mortgage Loans
Gross Investment						26,120
Number of beds/units \| item							116
Borrower contribution			$ 12,300
Remaining commitment						24,943
Interest rate (as a percent)	9.00%
Internal Rate of Return	9.50%
Funding under mortgage loan commitment						$ 1,177
Affiliates of ALG
Mortgage Loans
Additional amount funded under mortgage loan				5,546
Affiliates of ALG \| North Carolina/ South Carolina \| ALF/MC
Mortgage Loans
Exchange of mortgage loans for controlling interests in joint ventures accounted for as financing receivables				$ (64,450)
Number of properties collateralized \| property		13		13
Affiliates of ALG \| North Carolina \| ALF
Mortgage Loans
Exchange of mortgage loans for controlling interests in joint ventures accounted for as financing receivables		$ (37,985)		$ (37,985)
Number of Properties \| property		4		4
Additional amount funded under mortgage loan				$ 2,766
Affiliates of ALG \| North Carolina \| ALF/MC
Mortgage Loans
Number of properties collateralized \| property		12		12
Affiliates of ALG \| South Carolina \| ALF/MC
Mortgage Loans
Number of properties collateralized \| property		1		1