Equity Method Investment, Additional Interest Acquired

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- Definition

Number of Equity Investments

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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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=6382943&loc=d3e33918-111571

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- Definition

The difference between the carrying value and the sale price of equity securities, not separately or otherwise categorized as trading or available-for-sale. This element includes investments in which the entity holds a small ownership stake (generally, less than 20% of the shares outstanding) and cannot exert 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 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(h))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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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=31042434&loc=d3e3213-108585

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- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

+ Details

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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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Investment in Unconsolidated Joint Ventures (Details) $ in Thousands			6 Months Ended
	Feb. 10, 2014 USD ($)	Jan. 24, 2014 USD ($)	Jun. 30, 2015 USD ($) Property Equity_Investment	Jun. 30, 2014 USD ($)	Dec. 19, 2013
Schedule of Equity Method Investments [Line Items]
Number of unconsolidated joint ventures \| Equity_Investment			2
Investment in unconsolidated joint ventures			$ 2,649	$ 3,536
Gain on sale of equity investments				$ 6,300
Consolidated Properties
Schedule of Equity Method Investments [Line Items]
Number of real estate properties \| Property			42
Austin Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity investments (in percent)					33.00%
CalSTRS Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity investments (in percent)	40.00%
Additional interest acquired (in percent)		17.00%
Investment in unconsolidated joint ventures		$ 41,500
Parkway Properties Inc. and Madison International Realty \| Austin Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership percentage in equity investments (in percent)					50.00%
CalSTRS Joint Venture \| California State Teachers’ Retirement System
Schedule of Equity Method Investments [Line Items]
Percentage of voting interest acquired (in percent)	60.00%
Payments to acquire interest in joint venture	$ 24,900
California State Teachers’ Retirement System \| CalSTRS Joint Venture
Schedule of Equity Method Investments [Line Items]
Company's Ownership %	60.00%