Marketable Securities (Details) (USD $)	12 Months Ended
Dec. 31, 2012
Marketable Securities.
Face rate of senior subordinated notes (as a percent)	11.00%
Effective yield on senior subordinated notes (as a percent)	11.10%
Interest income recognized from investment	$ 235,000us-gaap_InvestmentIncomeInterest
Investment in senior subordinated notes of related party	$ 6,500,000

This element represents sum of the carrying amounts as of the balance sheet date of current and noncurrent marketable securities with related party.

No definition available.

+ Details

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

- Definition

Represents the effective yield on a marketable security with a related party.

+ References

No definition available.

+ Details

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

- Definition

Represents the face rate on a marketable security with a related party.

+ References

No definition available.

+ Details

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

- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.7(b))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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

- Details

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