Investments in Partially Owned Entities (Fifth Avenue and Times Square JV) (Details) - Fifth Avenue and Times Square JV $ in Thousands	Jun. 30, 2021 USD ($)
Schedule Of Equity Method Investments
Equity method ownership percentage	51.50%
Real estate basis difference, carrying amount	$ 396,104
Joint Venture
Schedule Of Equity Method Investments
Aggregate of preferred equity interests	$ 1,828,000
Joint Venture \| Investors
Schedule Of Equity Method Investments
Equity method ownership percentage	48.50%
Equity method effective ownership percentage	47.20%
Joint Venture \| Percentage For First Five Years
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage (percent)	4.25%
Joint Venture \| Percentage After Fifth Anniversary
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage (percent)	4.75%
Vornado Realty Trust
Schedule Of Equity Method Investments
Equity method ownership percentage	51.50%
Equity method effective ownership percentage	51.00%

Contractual interest rate for funds borrowed, under the debt agreement.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The book value of investments in real estate joint ventures including direct and indirect investments.

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