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Properties, Net (Tables) | 3 Months Ended
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Mar. 31, 2019
Real Estate [Abstract] |
Schedule of operating properties, net | Operating properties, net consisted of the following (in thousands):
| March 31, 2019 |  | December 31, 2018
Land | $ | 505,062 |  |  | $ | 503,274 |
Buildings and improvements | 3,288,033 |  |  | 3,241,894 |
Less: Accumulated depreciation | (927,266 | ) |  | (897,903 | )
Operating properties, net | $ | 2,865,829 |  |  | $ | 2,847,265 |
Schedule of projects in development or held for future development | Properties we had in development or held for future development consisted of the following (in thousands):
| March 31, 2019 |  | December 31, 2018
Land | $ | 227,852 |  |  | $ | 207,760 |
Development in progress, excluding land | 209,321 |  |  | 195,601 |
Projects in development or held for future development | $ | 437,173 |  |  | $ | 403,361 |

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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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