Redeemable Noncontrolling Interests (Activity of Redeemable Noncontrolling Interests) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Redeemable Noncontrolling Interests Rollforward
Beginning balance			$ 688,683
Net income (loss)	$ 3,782	$ 3,536	5,776	$ 3,865
Other comprehensive income	1,611	704	6,745	1,590
Ending balance	506,009		506,009
Partnership Interest
Redeemable Noncontrolling Interests Rollforward
Beginning balance	649,758	640,193	590,975	511,747
Net income (loss)	3,782	3,536	5,776	3,865
Other comprehensive income	1,611	704	6,745	1,590
Distributions	(7,577)	(7,408)	(15,161)	(14,869)
Other, net	5,721	5,940	19,026	17,799
Ending balance	412,022	654,771	412,022	654,771
Partnership Interest \| Class A Unit
Redeemable Noncontrolling Interests Rollforward
Redemption of Class A units for Vornado common shares, at redemption value	(860)	(4,206)	(1,577)	(8,309)
Redeemable Class A unit measurement adjustment	(240,413)	16,012	(193,762)	142,948
Subsidiary
Redeemable Noncontrolling Interests Rollforward
Beginning balance	97,403	94,437	97,708	94,520
Net income (loss)	(3,416)	476	(3,721)	393
Ending balance	$ 93,987	$ 94,913	$ 93,987	$ 94,913

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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