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v3.19.3.a.u2

Organization (Detail) - shares | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Organization |  |  |
Units of partnership interest (in shares) | 10,491,222 | 11,491,932 | 11,668,200
Operating Partnership |  |  |
Organization |  |  |
Ownership interest (percent) | 94.60% |  |

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