Investment in Unconsolidated Joint Ventures - ADC Arrangement (Details) - Combination ALF, MC and ILF community - ADC Arrangement $ in Thousands	12 Months Ended
Dec. 31, 2016 USD ($) item	Dec. 31, 2015 USD ($) item
Investment in Unconsolidated Joint Ventures
Loan originated \| $	$ 3,400	$ 2,900
Number of units \| item	127	99
Term of loan	7 years
Preferred return percentage	15.00%
1rst redemption period
Investment in Unconsolidated Joint Ventures
Interest rate period		2 years
1rst redemption period \| Minimum
Investment in Unconsolidated Joint Ventures
Stated interest rate (as a percent)		10.00%
2nd redemption period \| Maximum
Investment in Unconsolidated Joint Ventures
Stated interest rate (as a percent)		12.00%
3rd redemption period
Investment in Unconsolidated Joint Ventures
Stated interest rate (as a percent)		15.00%

Length of time for the first interest rate period under terms of loan agreement.

No definition available.

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- Definition

Represents the preferred return percentage on the investment in the joint venture.

+ References

No definition available.

+ Details

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- Definition

Represents the term of the loan agreement.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of loan with variable or adjustable rate of interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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- Definition

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

+ 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.

+ Details

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