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Real Estate Investments (Details 3) (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
Supplemental Pro Forma Operating Data [Abstract] |  |  |  |
Pro forma revenues |  | $ 142,920 |  | $ 433,734
Pro forma loss from continuing operations |  | (7,408) |  | (19,279)
Pro forma net loss available to common shareholders |  | $ (8,973) |  | $ (17,862)
Loss per common share from continuing operations : |  |  |  |
Loss from continuing operations attributable to common shareholders, Basic | $ 0.03 | $ (0.06) | $ (0.08) | $ (0.20)
Basic -- as pro forma |  | $ (0.06) |  | $ (0.20)
Loss from continuing operations attributable to common shareholders, Diluted | $ 0.03 | $ (0.06) | $ (0.08) | $ (0.20)
Diluted - as pro forma |  | $ (0.06) |  | $ (0.20)
Loss per common share: |  |  |  |
Basic -- as reported | $ 0.03 | $ (0.06) | $ (0.05) | $ (0.14)
Basic -- as pro forma |  | $ (0.06) |  | $ (0.14)
Diluted - as reported | $ 0.03 | $ (0.06) | $ (0.05) | $ (0.14)
Diluted - as pro forma |  | $ (0.06) |  | $ (0.14)

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