The charge incurred against earnings during the period to reduce the carrying amount of properties sold to fair value.

No definition available.

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- Definition

The number of held for sale properties owned by the entity and expected to be sold within one year from the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Number of Tenants

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No definition available.

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- Definition

Represents the amount of reimbursement payable to related party if specified minimum common share price maintain during the one year period after the date on which the reimbursement is approved by shareholders.

+ References

No definition available.

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- Definition

Represents the amount of reimbursement payable to related party if specified minimum common share price maintain during the one year period between the first and second anniversaries of the date on which the reimbursement is approved by shareholders.

+ References

No definition available.

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- Definition

Share Price, During First and Second Year After Date

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No definition available.

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Share Price, During One Year Period After Date

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No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

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-Name Accounting Standards Codification

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-Section 50

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-Name Accounting Standards Codification

-Topic 825

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-Section 50

-Paragraph 20

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-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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- Definition

Reflects for the period the total of the carrying amount of the commercial, industrial and residential land and buildings sold plus certain overhead and other costs incurred to place the real estate in saleable condition, capitalized interest costs in the properties sold, and inventory impairment losses recognized. This element would most likely be used by an entity whose principal activities involve real estate or which has significant real estate operations.

+ 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 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ 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)

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-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2611-110228

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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

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Fair Value of Assets and Liabilities - Narrative (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 sqft	Dec. 31, 2014 Tenant	Jul. 31, 2014	Mar. 31, 2014 sqft
Fair value of assets and liabilities
Property square feet	42,915,000us-gaap_AreaOfRealEstateProperty	42,919,000us-gaap_AreaOfRealEstateProperty
Loss on asset impairment	$ 204,000,000
Real estate properties, net	4,642,106,000us-gaap_RealEstateInvestmentPropertyNet	4,697,998,000us-gaap_RealEstateInvestmentPropertyNet
Losses on asset impairment for properties sold	23,100,000
Total rents \| Credit concentration
Fair value of assets and liabilities
Number of tenants responsible for more than 3% of total annualized rents		0
Concentration risk		3.00%
Related/Corvex
Fair value of assets and liabilities
Amount of reimbursements payable to related party if specified minimum common share price maintain during the one year period after the date on which the reimbursement is approved by shareholders			8,400,000
Amount of reimbursements payable to related party if specified minimum common share price maintain during the one year period between the first and second anniversaries of the date on which the reimbursement is approved by shareholders			8,400,000
Minimum
Fair value of assets and liabilities
Price per common share during one year period after date (in dollars per share)			$ 26.00
Price per common share during first and second year after date (in dollars per share)			$ 26.00
Level 3 \| Nonrecurring
Fair value of assets and liabilities
Number of available for sale real estate properties	39
Carrying Amount \| Nonrecurring
Fair value of assets and liabilities
Real estate properties, net	668,300,000
Fair Value \| Nonrecurring
Fair value of assets and liabilities
Real estate properties, net	464,300,000
Cost to sell	7,200,000
CBD
Fair value of assets and liabilities
Number of properties		2
Suburban property
Fair value of assets and liabilities
Number of properties		29
CBD and suburban properties
Fair value of assets and liabilities
Property square feet		5,641,450		5,641,450
Previously reported
Fair value of assets and liabilities
Loss on asset impairment		4,800,000
Disposition Plan
Fair value of assets and liabilities
Number of properties		34
Loss on asset impairment		167,100,000
Disposition Plan \| Carrying Amount \| Nonrecurring
Fair value of assets and liabilities
Real estate properties, net		581,700,000
Discounted cash flows \| Real estate properties held for sale \| Level 3
Fair value of assets and liabilities
Fair value of assets	471,457,000	414,625,000
225 Water Street, Jacksonville, FL
Fair value of assets and liabilities
Loss on asset impairment		22,700,000
225 Water Street, Jacksonville, FL \| Carrying Amount \| Nonrecurring
Fair value of assets and liabilities
Real estate properties, net		42,300,000
225 Water Street, Jacksonville, FL \| Fair Value \| Nonrecurring
Fair value of assets and liabilities
Fair value of assets		19,600,000