Real Estate Investments - Held-For-Sale Properties (Details)	3 Months Ended
Mar. 31, 2023 USD ($) property item	Dec. 31, 2022 USD ($)
Real Estate Properties [Line Items]
Impairment loss	$ 434,000	$ 1,222,000
Accumulated depreciation	390,013,000	$ 389,182,000
Properties sold
Real Estate Properties [Line Items]
Sales price	$ 32,250,000
Number of beds or units in property sold \| item	295
ALF \| Florida
Real Estate Properties [Line Items]
Impairment loss	$ 1,656,000
Number of Properties \| property	1
Number of Beds/units \| item	70
Gross Investment	$ 7,163,000
Accumulated depreciation	3,088,000
ALF \| Properties sold \| Kentucky
Real Estate Properties [Line Items]
Sales price	$ 11,000,000
Number of beds or units in property sold \| item	60
SNF \| Properties sold \| New Mexico
Real Estate Properties [Line Items]
Sales price	$ 21,250,000
Number of beds or units in property sold \| item	235

The number of beds or units in a real estate property sold by the entity.

No definition available.

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

- Definition

The number of real estate properties held for sale as of the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

The number of units in real estate properties held for sale as of the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

Amount of investment in land and building held for sale. Excludes real estate considered inventory before accumulated depreciation.

+ References

No definition available.

+ Details

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

- Definition

Sales price of real estate or properties that were intended to be sold or held for capital appreciation or rental income.

+ References

No definition available.

+ Details

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

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

+ Details

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

- Definition

The cumulative amount of depreciation for real estate property held for investment purposes.

+ 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(3))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

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

- Details

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- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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- Details

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