Lease Incentives (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Lease Incentives
Non-contingent lease incentives	$ 14,863		$ 14,904
Contingent lease incentives	6,458		6,577
Totals	21,321		$ 21,481
Non-contingent lease incentives, funding	380	$ 3,441
Total funding	380	3,441
Non-contingent lease incentives, Amortization	(421)	(360)
Contingent lease incentives, Amortization	(119)	(167)
Total amortization	$ (540)	$ (527)

Amount of amortization of contingent lease incentive costs incurred by the lessor for the benefit of the lessee.

No definition available.

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

- Definition

Amount of amortization of non contingent lease incentive costs incurred by the lessor for the benefit of the lessee.

+ References

No definition available.

+ Details

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

- Definition

This item represents the deferred charge for an contingent incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount funded into lease incentive amount funded by the entity during the period.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount funded into non contingent lease incentive amount funded by the entity during the period.

+ References

No definition available.

+ Details

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

- Definition

This item represents the deferred charge for an non contingent incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term.

+ References

No definition available.

+ Details

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

- Definition

Amount of amortization of lease incentive costs incurred by the lessor for the benefit of the lessee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e40010-112707

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e40019-112707

+ Details

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

- References

No definition available.

+ Details

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

- Definition

This item represents the deferred charge for an incentive or inducement granted by a lessor to a lessee, in order to motivate the lessee to enter the lease agreement, which incentive or inducement is to be recognized as a reduction of rental revenue over the lease term.

+ References

+ Details

Name:	us-gaap_IncentiveToLessee
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant