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Equity - Non-controlling Interests Narrative (Details)	6 Months Ended
	Jun. 30, 2015 ft² building shares	Jan. 07, 2015
Class of Stock
Common units held by noncontrolling interests	56,296,315
Pinnacle JV
Class of Stock
Number of buildings in property | building	2
Area of real estate property | ft²	625,640
Ownership interest in property	65.00%
Canada Pension Plan Investment Board
Class of Stock
Ownership interest in property		45.00%
Common Units
Class of Stock
Shares used for valuation of redemption	1
Conversion ratio	1

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

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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=56956515&loc=d3e1392-128463

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