Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Redeemable Noncontrolling Interests Rollforward
Beginning balance	$ 647,951
Net (loss) income	(2,019)	$ 7,889
Other comprehensive income (loss)	0	0
Ending balance	526,688
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	557,671	711,943
Net (loss) income	(2,019)	7,889
Other comprehensive income (loss)	1,366	(2,777)
Distributions	(29)	(493)
Other, net	5,771	6,065
Ending balance	443,982	622,941
Partnership Interest \| Class A Unit
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(5,276)	(45,151)
Redeemable Class A unit measurement adjustment	(113,502)	(54,535)
Subsidiary
Redeemable Noncontrolling Interests Rollforward
Beginning balance	90,280	122,715
Net (loss) income	(7,574)	(7,432)
Ending balance	$ 82,706	$ 115,283

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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Redeemable Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders

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