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Organization (Tables) | 12 Months Ended
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Dec. 31, 2011
Organization |
Summary of forms of ownership and percentage of ownership forms |
|  | December 31, |
--- | --- | --- | ---
|  | 2011 |  | 2010 |
Common Units |  |  | 94 | % |  | 94 | %
Series G Preferred Units |  |  | 100 | % |  | 100 | %
Series H Preferred Units |  |  | 100 | % |  | 100 | %
Series I Preferred Units |  |  | 0 | % |  | 0 | %
Series J Preferred Units |  |  | 100 | % |  | 100 | %
Series K Preferred Units |  |  | 100 | % |  | 100 | %

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- Definition Tabular disclosure of operating partnership's forms of ownership and the percentage of ownership forms owned by the parent company. + References No definition available. + Details
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