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Marketable Securities (Details) (SHG, USD $) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2012 person | Dec. 31, 2011
SHG |  |
Marketable Securities |  |
Investment in senior subordinated notes of related party |  | $ 6,500,000
Face rate of senior subordinated notes (as a percent) | 11.00% |
Effective yield on senior subordinated notes (as a percent) | 11.10% |
Number of directors serving as chief executive officer of related entity | 1 |

X
- Definition This element represents sum of the carrying amounts as of the balance sheet date of current and noncurrent marketable securities with related party. + References No definition available. + Details
Name: | ltc_MarketableSecuritiesWithRelatedParties
Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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

X
- 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

X
- Definition Represents the number of directors serving as chief executive officer of an entity that qualifies as a related party. + References No definition available. + Details
Name: | ltc_RelatedPartyTransactionNumberOfDirectorsServingAsChiefExecutiveOfficerOfRelatedEntity
Namespace Prefix: | ltc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration