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Properties, net (Tables) | 3 Months Ended
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Mar. 31, 2013
Real Estate [Abstract] |
Schedule of operating properties, net | Operating properties, net consisted of the following (in thousands):
| March 31, 2013 |  | December 31, 2012
Land | $ | 431,152 |  |  | $ | 427,766 |
Buildings and improvements | 2,850,482 |  |  | 2,725,875 |
Less: accumulated depreciation | (576,299 | ) |  | (555,975 | )
Operating properties, net | $ | 2,705,335 |  |  | $ | 2,597,666 |
Schedule of projects in development or held for future development | Projects we had in development or held for future development consisted of the following (in thousands):
| March 31, 2013 |  | December 31, 2012
Land | $ | 234,357 |  |  | $ | 236,324 |
Construction in progress, excluding land | 250,281 |  |  | 329,054 |
Projects in development or held for future development | $ | 484,638 |  |  | $ | 565,378 |

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- Definition Tabular disclosure of net operating properties that includes carrying amount of properties and accumulated depreciation. + References No definition available. + Details
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- Definition Tabular disclosure of properties in development or held for future development, which includes amount of land and costs incurred for construction and development. + References No definition available. + Details
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- Details
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