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Real Estate Investments - Owned Properties (Details) - Real Estate Investment	Dec. 31, 2017 property
Real Estate Investments
Number of properties	181
Number of states	28
Number of operators	29
ALF
Real Estate Investments
Number of properties	105
SNF
Real Estate Investments
Number of properties	75
ROC
Real Estate Investments
Number of properties	6
Hospital
Real Estate Investments
Number of properties	1

X

- Definition

Line items represent reporting concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

+ Details

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Balance Type:	na
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X

- Definition

Represents the number of operators associated with certain investments.

+ References

No definition available.

+ Details

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Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- Definition

Represents the number of states in which the entity has invested.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Details

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- Details

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- Details

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- Details

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- Details

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