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Subsequent Events - Real Estate (Details) - Subsequent Event		1 Months Ended
	Feb. 19, 2021 USD ($) item	Jan. 31, 2021 USD ($) facility
Subsequent Event [Line Items]
Revenue from one-time escalation reduction	$ 530,000,000
Senior Lifestyle Corporation
Subsequent Event [Line Items]
Number of properties sold | facility		11
Incremental lease rent , First year		$ 5,250,000
Incremental lease rent , second year		7,078,000
Incremental lease rent , three year		$ 7,303,000
Percentage of incremental annual rent		2.00%
Percentage of contractual amount due		50.00%
Number of assisted communities | item	12

X

- Definition

The amount of decrease in revenue due to rent escalation.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of incremental lease rent in next twelve months.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of incremental lease rent in year three.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of incremental lease rent in year two.

+ References

No definition available.

+ Details

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

X

- Definition

Number of assisted communities.

+ References

No definition available.

+ Details

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

X

- Definition

The number of real estate properties sold by the entity.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the percentage of contractual amount due under the lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of incremental annual rent.

+ References

No definition available.

+ Details

Name:	ltc_PercentageOfIncrementalAnnualRent
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: