It represents the severance costs year one during the period.

No definition available.

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- Definition

It represents the severance costs year two during the period.

+ References

No definition available.

+ Details

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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-Topic 360

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230

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- Definition

The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

+ References

+ Details

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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

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-Publisher FASB

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-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

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-Publisher SEC

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-Number Topic 5

-Section P

-Subsection 3, 4

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-SubTopic 20

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-Paragraph 1

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-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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Strategic Repositioning Initiatives (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Strategic Repositioning Initiatives [Line Items]
Other Asset Impairment Charges	$ 57,789,000us-gaap_OtherAssetImpairmentCharges	$ 0us-gaap_OtherAssetImpairmentCharges	$ 0us-gaap_OtherAssetImpairmentCharges
Severance Costs	6,159,000us-gaap_SeveranceCosts1	0us-gaap_SeveranceCosts1	0us-gaap_SeveranceCosts1
Restricted Stock [Member]
Strategic Repositioning Initiatives [Line Items]
Severance Costs	2,700,000
Discontinued Operations [Member]
Strategic Repositioning Initiatives [Line Items]
Severance Costs	2,900,000
Operating Expense [Member]
Strategic Repositioning Initiatives [Line Items]
Severance Costs	6,200,000
Accounts Payable and Accrued Liabilities [Member]
Strategic Repositioning Initiatives [Line Items]
Severance Costs	5,700,000
Severance Costs Year One	4,300,000
Severance Costs Year Two	1,400,000
Land and pre-development costs [Member]
Strategic Repositioning Initiatives [Line Items]
Impairment of Real Estate	31,900,000
Corporate Infrastructure changes [Member]
Strategic Repositioning Initiatives [Line Items]
Other Asset Impairment Charges	15,100,000
CSH Montreal LP [Member]
Strategic Repositioning Initiatives [Line Items]
Impairment of Real Estate	26,500,000
Unconsolidated entities [Member]
Strategic Repositioning Initiatives [Line Items]
Impairment of Real Estate	57,800,000
HSRE Investments [Member]
Strategic Repositioning Initiatives [Line Items]
Impairment of Real Estate	$ 31,300,000