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Investments in Real Estate - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) Property
Real Estate Properties [Line Items]
Number of multifamily properties owned | Property	46
Number of units located with multifamily properties | Property	12,982
TSRE Properties
Real Estate Properties [Line Items]
Fair value of net assets acquired	$ 91
Belle Creek
Real Estate Properties [Line Items]
Exit fees pursuant to mortgage indebtedness	211
Tresa
Real Estate Properties [Line Items]
Exit fees pursuant to mortgage indebtedness	$ 275

X

- Definition

The fair value of assets acquired in noncash investing or financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

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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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