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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Interest capitalized | $ 9.4 | $ 12.2
Essex Portfolio, L.P. [Member] |  |
Interest capitalized | $ 9.4 | $ 12.2

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