Real Estate And Lending Activities (Unaudited Pro forma Consolidated Financial Data) (Details) (USD $) In Thousands, except Per Share data	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Real Estate And Lending Activities [Abstract]
Total revenues	$ 38,115	$ 34,986	$ 113,467	$ 109,522
Net income	$ 446	$ 11,551	$ 17,161	$ 12,710
Net income per share/unit - diluted		$ 0.10	$ 0.15	$ 0.12

Net Income Loss per share Attributable to Common Stockholder

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- 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=6909870&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

+ Details

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