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Major Operators (Details)	6 Months Ended
	Jun. 30, 2016 property item
Major Operators
Number of major operators | item	4
Prestige Healthcare | Skilled Nursing
Major Operators
Number of properties | property	20
Number of beds/units | item	2,822
Prestige Healthcare | Assisted Living
Major Operators
Number of beds/units | item	93
Prestige Healthcare | Range of Care
Major Operators
Number of properties | property	2
Senior Lifestyle Corporation | Assisted Living
Major Operators
Number of properties | property	27
Number of beds/units | item	1,631
Brookdale Senior Living | Assisted Living
Major Operators
Number of properties | property	37
Number of beds/units | item	1,704
Senior Care Centers | Skilled Nursing
Major Operators
Number of properties | property	11
Number of beds/units | item	1,444
Operator Concentration Risk | Skilled Nursing
Major Operators
Number of properties | property	31
Number of beds/units | item	4,266
Operator Concentration Risk | Assisted Living
Major Operators
Number of properties | property	64
Number of beds/units | item	3,428
Operator Concentration Risk | Range of Care
Major Operators
Number of properties | property	2
Rental Revenue and Interest Income from Mortgage Loans | Operator Concentration Risk
Major Operators
Concentration risk (as a percent)	49.10%
Rental Revenue and Interest Income from Mortgage Loans | Operator Concentration Risk | Prestige Healthcare
Major Operators
Concentration risk (as a percent)	16.30%
Rental Revenue and Interest Income from Mortgage Loans | Operator Concentration Risk | Senior Lifestyle Corporation
Major Operators
Concentration risk (as a percent)	12.60%
Rental Revenue and Interest Income from Mortgage Loans | Operator Concentration Risk | Brookdale Senior Living
Major Operators
Concentration risk (as a percent)	10.10%
Rental Revenue and Interest Income from Mortgage Loans | Operator Concentration Risk | Senior Care Centers
Major Operators
Concentration risk (as a percent)	10.10%
Total Assets | Operator Concentration Risk
Major Operators
Concentration risk (as a percent)	43.00%
Total Assets | Credit Concentration Risk | Prestige Healthcare
Major Operators
Concentration risk (as a percent)	15.90%
Total Assets | Credit Concentration Risk | Senior Lifestyle Corporation
Major Operators
Concentration risk (as a percent)	12.90%
Total Assets | Credit Concentration Risk | Brookdale Senior Living
Major Operators
Concentration risk (as a percent)	5.60%
Total Assets | Credit Concentration Risk | Senior Care Centers
Major Operators
Concentration risk (as a percent)	8.60%

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- Definition

The number of major operators of the entity.

+ References

No definition available.

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- Definition

Line items represent financial 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

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

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The number of units (items of property) under operating lease arrangements.

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