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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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Investments in Partially Owned Entities (Fifth Avenue and Times Square JV) (Details) $ in Thousands			9 Months Ended
	Apr. 19, 2024	Jun. 14, 2023 USD ($) extension_option	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Maturing in June 2025 \| Junior Notes
Schedule Of Equity Method Investments
Restructured loan, number of extension options \| extension_option		2
Restructured loan, extension option, term		1 year
Maturing in March 2028 \| Junior Notes
Schedule Of Equity Method Investments
Restructured loan, number of extension options \| extension_option		1
Restructured loan, extension option, term		9 months
Fifth Avenue and Times Square JV
Schedule Of Equity Method Investments
Equity method ownership percentage			51.50%
Real estate basis difference, carrying amount			$ 848,670
Loan amount after payment				$ 421,000
Restructured loan amount		$ 355,000
Fifth Avenue and Times Square JV \| Senior Notes
Schedule Of Equity Method Investments
Restructured loan amount		$ 325,000
Fifth Avenue and Times Square JV \| Junior Notes
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage		4.00%
Restructured loan amount		$ 30,000
Fifth Avenue and Times Square JV \| SOFR \| Senior Notes
Schedule Of Equity Method Investments
Basis spread on variable rate		2.00%
Fifth Avenue and Times Square JV \| Joint Venture
Schedule Of Equity Method Investments
Aggregate of preferred equity interests			$ 1,828,000
Fifth Avenue and Times Square JV \| Joint Venture \| Percentage For First Five Years
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage			4.25%
Fifth Avenue and Times Square JV \| Joint Venture \| Percentage After Fifth Anniversary
Schedule Of Equity Method Investments
Debt instrument, interest rate, stated percentage			4.75%
Debt term			5 years
Fifth Avenue and Times Square JV \| Joint Venture \| Investors
Schedule Of Equity Method Investments
Equity method ownership percentage			48.50%
Equity method effective ownership percentage			47.20%
Fifth Avenue and Times Square JV \| Vornado Realty Trust
Schedule Of Equity Method Investments
Equity method ownership percentage			51.50%
Equity method effective ownership percentage			51.00%
Fifth Avenue and Times Square JV \| Vornado Realty Trust \| Investors \| Forecast
Schedule Of Equity Method Investments
Transfer threshold	50.00%
Fifth Avenue and Times Square JV \| Vornado Realty Trust \| VRLP \| Forecast
Schedule Of Equity Method Investments
Transfer threshold	50.00%