Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Redeemable Noncontrolling Interests Rollforward
Beginning balance	$ 436,732
Net income (loss)	3,361	$ (30,376)	$ 7,540
Other comprehensive (loss) income	(9,340)	14,250	4,048
Ending balance	638,448	436,732
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	348,692	590,975
Net income (loss)	3,361	(30,376)
Other comprehensive (loss) income	(9,340)	14,250
Distributions	(10,783)	(30,311)
Other, net	22,231	28,823
Ending balance	483,786	348,692	590,975
Partnership Interest | Class A Unit
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(8,489)	(3,524)
Redeemable Class A unit measurement adjustment	138,114	(221,145)
Redeemable noncontrolling interest in a consolidated subsidiary
Redeemable Noncontrolling Interests Rollforward
Beginning balance	88,040	97,708
Net income (loss)	(39,385)	(9,668)
Contributions	112,668	0
Distributions	(6,661)	0
Ending balance	$ 154,662	$ 88,040	$ 97,708