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Marketable Securities (Details) (SHG, USD $)	12 Months Ended
	Dec. 31, 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