Ownership percentage of partner in Joint Venture.

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

+ 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.

+ Details

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ 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(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

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- Definition

Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Property Transactions Property Transactions (Details) $ in Millions	1 Months Ended	3 Months Ended
	Nov. 01, 2016 USD ($)	Dec. 31, 2016 USD ($)	Mar. 31, 2016 USD ($)	Oct. 17, 2016 ft²	Oct. 06, 2016	Sep. 30, 2016 ft² shares	Dec. 31, 2015 ft² shares
Business Acquisition [Line Items]
Area of Real Estate Property \| ft²						1,200,000	129,000
Common Stock, Shares, Issued \| shares						220,498,850	220,255,676
Proceeds from Sale of Property Held-for-sale			$ 14.2
Sales of Real Estate			$ 22.0
Subsequent Event [Member]
Business Acquisition [Line Items]
Area of Real Estate Property \| ft²				941,000
Sales of Real Estate	$ 219.0	$ 268.0
Two Liberty Place [Member] \| Subsequent Event [Member]
Business Acquisition [Line Items]
Ownership Percentage of Partner in Joint Venture					19.00%