Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Capitalized interest	$ 30,649	$ 55,186
Vornado Realty L.P.
Capitalized interest	$ 30,649	55,186
Fifth Avenue and Times Square JV
Transaction related costs		35,562
Deconsolidated restricted cash		10,899
Fifth Avenue and Times Square JV | Vornado Realty L.P.
Transaction related costs		35,562
Deconsolidated restricted cash		$ 10,899