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Equity - Noncontrolling Interest (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) item
Noncontrolling interest
Investment Commitment	$ 193,708
2017 Acquisitions
Noncontrolling interest
Number of beds/units acquired | item	400
Purchase Price	$ 81,818
2017 Acquisitions | Partnership | ALF & MC
Noncontrolling interest
Number of beds/units acquired | item	87
Purchase Price	$ 10,000
Economic interest held (as a percent)	90.00%
2017 Acquisitions | Partnership | ALF/ILF/MC
Noncontrolling interest
Number of beds/units under development | item	110
Investment Commitment	$ 22,471
Economic interest held (as a percent)	90.00%

X

- Definition

Represents the number of beds/units in the acquired business.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of investment commitments of the entity.

+ References

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- Definition

Represents the number of beds/units under development.

+ References

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

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