Subsequent Events - Real Estate (Details) - Brookdale Senior Living - Subsequent Event	1 Months Ended
Jul. 31, 2020 lease item
Subsequent Event [Line Items]
Number of leases consolidated \| lease	4
Number of renewal option \| item	3
Renewal term option one	4 years
Renewal term option two	5 years
Renewal term option three	10 years

The number of times the lessor has the option to renewal the lease agreement.

No definition available.

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

- Definition

Represents the renewal term option one under the master lease agreement.

+ References

No definition available.

+ Details

Name:	ltc_LessorOperatingLeaseRenewalTermOptionOne
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the renewal term option three under the master lease agreement.

+ References

No definition available.

+ Details

Name:	ltc_LessorOperatingLeaseRenewalTermOptionThree
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the renewal term option two under the master lease agreement.

+ References

No definition available.

+ Details

Name:	ltc_LessorOperatingLeaseRenewalTermOptionTwo
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of leases consolidated.

+ References

No definition available.

+ Details

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

- 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

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

- Details

Name:	srt_CounterpartyNameAxis=ltc_BrookdaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: