Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Redeemable Noncontrolling Interests Rollforward
Beginning balance	$ 606,267
Net income (loss)	7,540	$ (24,946)	$ 210,872
Other comprehensive income (loss)	4,048	(2,914)	(3,235)
Ending balance	688,683	606,267
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	511,747	888,915
Net income (loss)	7,540	(24,946)
Other comprehensive income (loss)	4,048	(2,914)
Distributions	(29,901)	(32,595)
Other, net	36,044	36,596
Ending balance	590,975	511,747	888,915
Subsidiaries
Redeemable Noncontrolling Interests Rollforward
Beginning balance	94,520	0
Net income (loss)	3,188	544
Contributions	0	92,400
Other, net	0	1,576
Ending balance	97,708	94,520	$ 0
Class A \| Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(14,576)	(9,266)
Redeemable Class A unit measurement adjustment	$ 76,073	$ (344,043)

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, Increase from Contributions to Noncontrolling Interest Holders

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