Real Estate Investments - Owned Properties (Details) $ in Thousands	9 Months Ended
Sep. 30, 2023 USD ($) item property state $ / item	Sep. 30, 2022 item
Real Estate [Line Items]
Gross Investment \| $	$ 1,405,848
Percentage of Investment	100.00%
Number of properties \| property	143
Number of beds/units		217
Number of states \| state	24
Number of operators	22
SNF Beds
Real Estate [Line Items]
Number of beds/units	6,231
ALF Units
Real Estate [Line Items]
Number of beds/units	5,559
ALF
Real Estate [Line Items]
Gross Investment \| $	$ 800,963
Percentage of Investment	57.00%
Number of properties \| property	92
Average Investment per Bed/Unit \| $ / item	150.47
ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	5,323
SNF
Real Estate [Line Items]
Gross Investment \| $	$ 592,880
Percentage of Investment	42.10%
Number of properties \| property	50
Average Investment per Bed/Unit \| $ / item	93.38
SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	6,113
SNF \| ALF Units
Real Estate [Line Items]
Number of beds/units	236
Other
Real Estate [Line Items]
Gross Investment \| $	$ 12,005
Percentage of Investment	0.90%
Number of properties \| property	1
Number of parcels of land	3
Other \| SNF Beds
Real Estate [Line Items]
Number of beds/units	118
Hospital
Real Estate [Line Items]
Number of properties \| property	1

Represents the number of parcels of land.

No definition available.

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- Definition

Represents the number of operators associated with certain investments.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Represents the number of states in which the entity has invested.

+ References

No definition available.

+ Details

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

- Definition

Represents the per unit investment in real estate held solely for investment purposes.

+ References

No definition available.

+ Details

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Namespace Prefix:	ltc_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
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
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Data Type:	dtr-types:percentItemType
Balance Type:	na
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

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

Name:	us-gaap_RealEstateInvestmentPropertyAtCost
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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_OtherSeniorHousingPropertiesMember
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- Details

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