Number of Real Estate Projects Subject to Ownership from Noncontrolling Interests

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- Definition

Area of a real estate property.

+ References

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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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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The cash outflow associated with the purchase of noncontrolling interest during the period.

+ 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=66902209&loc=d3e3213-108585

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- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Noncontrolling interests (Details) $ in Thousands			3 Months Ended	9 Months Ended
Noncontrolling interests (Details) $ in Thousands	Apr. 01, 2016 USD ($)	Apr. 01, 2015 USD ($)	Sep. 30, 2016 USD ($) ft²	Sep. 30, 2017 USD ($) Project	Sep. 30, 2016 USD ($) ft²	Mar. 31, 2015
Noncontrolling interests
Payments to Noncontrolling Interests				$ 17,432	$ 62,605
Noncontrolling Interests
Noncontrolling interests
Number of projects subject to ownership from noncontrolling interests \| Project				9
Alexandria Technology Square
Noncontrolling interests
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners						10.00%
Area of Real Estate Property \| ft²			1,181,635		1,181,635
Payments to Acquire Additional Interest in Subsidiaries			$ 108,250
First Installment Payment \| Alexandria Technology Square
Noncontrolling interests
Payments to Acquire Additional Interest in Subsidiaries		$ 54,250
Second Installment Payment \| Alexandria Technology Square
Noncontrolling interests
Payments to Acquire Additional Interest in Subsidiaries	$ 54,000