Property Acquisitions (Details 1) (CPD NY and Nouria [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
Jun. 30, 2011
CPD NY and Nouria [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues	$ 55,084
Net earnings	$ 31,134
Basic and diluted net earnings per common share	$ 0.94

The pro forma earnings per share basic and diluted as if the business combination or combinations had been completed at the beginning of the period.

No definition available.

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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