Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Redeemable Noncontrolling Interests Rollforward
Beginning balance			$ 436,732
Net income (loss)	$ 4,736	$ 606	8,773	$ 6,382
Other comprehensive income	1,634	8,299	26	15,044
Ending balance	474,004		474,004
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	410,276	412,022	348,692	590,975
Net income (loss)	4,736	606	8,773	6,382
Other comprehensive income	1,634	8,299	26	15,044
Distributions	(29)	(7,579)	(5,658)	(22,740)
Other, net	9,127	3,575	12,356	22,601
Ending balance	415,175	394,074	415,175	394,074
Partnership Interest \| Class A Unit
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(1,615)	(992)	(7,173)	(2,569)
Redeemable Class A unit measurement adjustment	(8,954)	(21,857)	58,159	(215,619)
Subsidiary
Redeemable Noncontrolling Interests Rollforward
Beginning balance	70,020	93,987	88,040	97,708
Net income (loss)	(11,191)	(4,759)	(29,211)	(8,480)
Ending balance	$ 58,829	$ 89,228	$ 58,829	$ 89,228

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Adjustments to reflect redeemable Class A Operating Partnership units

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Other Net Attributable To Redeemable Noncontrolling Interest

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Redeemable Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders

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