Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Redeemable Noncontrolling Interests Rollforward
Beginning balance	$ 688,683
Net income (loss)	1,994	$ 329
Other comprehensive income	5,134	886
Ending balance	747,161
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	590,975	511,747
Net income (loss)	1,994	329
Other comprehensive income	5,134	886
Distributions	(7,584)	(7,461)
Other, net	13,305	11,859
Ending balance	649,758	640,193
Partnership Interest \| Class A Unit
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(717)	(4,103)
Redeemable Class A unit measurement adjustment	46,651	126,936
Subsidiary
Redeemable Noncontrolling Interests Rollforward
Beginning balance	97,708	94,520
Net income (loss)	(305)	(83)
Ending balance	$ 97,403	$ 94,437

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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