Notes Receivable - Components (Details)	9 Months Ended
Sep. 30, 2015 USD ($) loan	Sep. 30, 2014 USD ($)
Notes receivable activities
Advances under notes receivable	$ 1,464,000	$ 664,000
Principal payments received under notes receivable		(112,000)
Reclassed to real estate under development	(716,000)
Net increase in notes receivable	$ 748,000	$ 552,000
Number of Loans \| loan	8
Loan commitment	$ 2,650,000
Weighted average interest rate (as a percent)	9.80%
Remaining loan commitments	$ 2,013,000
Memory Care
Notes receivable activities
Reclassed to real estate under development	$ (716,000)

Represents the cash outflow for advances under the notes receivable.

No definition available.

Name:	ltc_AdvancesUnderNotesReceivable
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the amount of loan commitments of the entity.

+ References

No definition available.

+ Details

Name:	ltc_LoanCommitments
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of open loan commitments as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	ltc_LoanCommitmentsOpen
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represent the number of loans outstanding under the notes receivable.

+ References

No definition available.

+ Details

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

- Definition

Represents the weighted average interest rate for notes receivable.

+ References

No definition available.

+ Details

Name:	ltc_NotesReceivableWeightedAverageInterestRate
Namespace Prefix:	ltc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the amount of outstanding balance of the pre-development loan that was reclassified to real estate under development during the period.

+ References

No definition available.

+ Details

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

- Definition

The increase (decrease) during the reporting period of the amounts due from borrowers for outstanding secured or unsecured loans evidenced by a note.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_IncreaseDecreaseInNotesReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_MemoryCarePropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: