Equity Method Investment, Commitment To Fund, Amount

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- Definition

Equity Method Investments, Preferred Returns Rate

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- Definition

Estimated cost of active development projects.

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- Definition

Investments In (Distributions In Excess Of Investments In) And Advance To Affiliates, Subsidiaries, Associates, And Joint Ventures

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- Definition

Number Of Apartments Owned Through Joint Ventures

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- Definition

Number of units to be developed by the joint venture in the future.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ 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 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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Real Estate Investments - Development Co-Investments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) unit	Dec. 31, 2016 USD ($) unit	Dec. 31, 2015 USD ($) unit
Real Estate Properties [Line Items]
Co-investment	$ 1,155,984	$ 1,161,275
Investments in (distributions in excess of investments in) and advance to affiliates, subsidiaries, associates and joint ventures	$ 1,119,258	$ 1,161,275
Number of units to be developed \| unit	1,982
Minimum [Member]
Real Estate Properties [Line Items]
Annualized preferred return rate	9.50%	10.00%
Maximum [Member]
Real Estate Properties [Line Items]
Annualized preferred return rate	11.30%	12.00%
Total development co investments [Member]
Real Estate Properties [Line Items]
Number of apartments owned through joint ventures \| unit	814	1,427
Investments in (distributions in excess of investments in) and advance to affiliates, subsidiaries, associates and joint ventures	$ 73,770	$ 157,317
Ohlone Multi-family Community [Member]
Real Estate Properties [Line Items]
Equity method investment, ownership percentage	50.00%
Number of units to be developed \| unit	269
Estimated cost active development projects	$ 136,000
Commitment to fund preferred equity investment in the project	$ 28,900
Annualized preferred return rate	10.00%
Folsom 500 [Member]
Real Estate Properties [Line Items]
Equity method investment, ownership percentage			50.00%
Number of units to be developed \| unit			545
Estimated cost active development projects			$ 415,000