Investment in Unconsolidated Ventures - Additional Information (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($) property venture	Mar. 31, 2015 USD ($)
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated ventures	$ 3,019	$ 831
Distributions of return on investments and earnings	2,871	3,500
Gain on sale of assets	$ 2,604	$ 1,176
Equity Method Investments
Schedule of Equity Method Investments [Line Items]
Number of ventures under ownership interest using equity method \| venture	18
FMF Peakview
Schedule of Equity Method Investments [Line Items]
Gain on sale of assets	$ 9,613
FMF Peakview \| Multi Family Property
Schedule of Equity Method Investments [Line Items]
Number of units of multifamily project \| property	304

Distributions of return on investments and earnings.

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Number of units of multifamily project.

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2443-110228

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

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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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.

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