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Consolidated Statements of Changes in Equity - Parenthetical - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Common shares/units, dividends (in dollars per share) $ 1.95 $ 2.52 $ 2.62
Vornado Realty L.P.      
Common shares/units, dividends (in dollars per share) $ 1.95 $ 2.52 $ 2.62