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Real Estate Investments - Held-For-Sale Properties (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) item property | Dec. 31, 2021 USD ($)
Real Estate Properties [Line Items] |  |
Accumulated depreciation | $ 389,182,000 | $ 374,606,000
Kentucky |  |
Real Estate Properties [Line Items] |  |
Impairment loss from investments in unconsolidated joint ventures | $ 1,286,000 |
ALF | Kentucky |  |
Real Estate Properties [Line Items] |  |
Number of Properties | property | 1 |
Number of Beds/units | item | 60 |
Gross Investment | $ 13,015,000 |
Accumulated depreciation | 2,305,000 |
Impairment loss from investments in unconsolidated joint ventures | $ 1,286,000 |

X
- 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

X
- 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

X
- Definition The amount by which the fair value of an investment in unconsolidated joint ventures is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References No definition available. + Details
Name: | ltc_OtherThanTemporaryImpairmentLossesInvestmentsInUnconsolidatedJointVentures
Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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

X
- 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

X
- 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
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_KY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |