Mortgage Loans Receivable - Mortgage Loans Activity (Details)	6 Months Ended
Jun. 30, 2026 USD ($) property item period	Jun. 30, 2025 USD ($) item
Mortgage Loans
Originations and funding under mortgage loans receivable	$ 9,472,000	$ 41,535,000
Application of interest reserve	1,294,000
Scheduled principal payments received	(180,000)	(451,000)
Mortgage loan premium amortization	(5,000)	(3,000)
Provision for credit losses	(106,000)	(411,000)
Net increase (decrease) in mortgage loans receivable	10,475,000	40,670,000
Gross Investment	$ 1,783,842,000
Number of Properties \| property	126
Remaining commitment	$ 37,088,000
SH
Mortgage Loans
Gross Investment	$ 1,248,810,000
Number of Properties \| property	84
Illinois \| SH \| Mortgage loans with 9.0% interest maturing 2030
Mortgage Loans
Funding under mortgage loan commitment	$ 8,592,000
Gross Investment	$ 26,120,000
Number of Beds/Units \| item	116
Borrower contribution	$ 12,300,000
Remaining commitment	$ 9,734,000
Interest rate (as a percent)	9.00%
Internal Rate of Return	9.50%
Michigan \| SH \| Mortgage Loans With 8.8 Interest Maturing 2027
Mortgage Loans
Funding under mortgage loan commitment	$ 880,000
Gross Investment	$ 19,500,000
Number of Properties \| item	85
Borrower contribution	$ 12,100,000
Remaining commitment	$ 1,517,000
Interest rate (as a percent)	8.80%
Extension term number of options \| period	2
Loan extension term	1 year
Michigan \| ALF/MC \| Mortgage Loans With 8.75 Interest
Mortgage Loans
Funding under mortgage loan commitment		3,040,000
Gross Investment		19,500,000
Florida \| SH
Mortgage Loans
Gross Investment	$ 76,545,000
Number of Beds/Units \| item	299
Florida \| SH \| Mortgage loans with 8.5% interest
Mortgage Loans
Funding under mortgage loan commitment		38,495,000
Gross Investment		$ 42,300,000
Number of Beds/Units \| item		250
Interest rate (as a percent)		8.50%
Loan Term		5 years

The amount contributed by the borrower of mortgage loans.

No definition available.

Name:	ltc_BorrowerContributionToFund
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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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

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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

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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

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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

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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

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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

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

- Definition

The Amount of expense related to provision (recovery) of credit losses.

+ 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

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

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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

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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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- Details

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