Investments in Partially Owned Entities (Fifth Avenue and Times Square JV) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Transaction property value		$ 43,599	$ 57,142
Real estate impairment losses		$ 19,098	7,880	$ 236,286
Fifth Avenue and Times Square JV
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage		51.50%
Transaction property value	$ 5,556,000
Net gains on disposition of wholly owned and partially owned assets	2,571,000
Net gain from real estate investment partnership, attributable to noncontrolling interest	$ 11,945
Real estate impairment losses		$ (489,859)	$ 0	(413,349)
Impairment of real estate related to noncontrolling interest		6,822		$ 4,289
Basis difference in carrying amount		864,317
Fifth Avenue and Times Square JV | Joint Venture
Schedule of Equity Method Investments [Line Items]
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 [Line Items]
Debt instrument, interest rate, stated percentage		4.25%
Fifth Avenue and Times Square JV | Joint Venture | Increase in Percentage After Fifth Anniversary
Schedule of Equity Method Investments [Line Items]
Debt instrument, interest rate, stated percentage		4.75%
Debt term (years)		5 years
Fifth Avenue and Times Square JV | Joint Venture | Investors
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage	48.50%	48.50%
Equity method investment, effective ownership percentage		47.20%
Fifth Avenue and Times Square JV | Vornado Realty Trust
Schedule of Equity Method Investments [Line Items]
Equity method ownership percentage		51.50%
Equity method investment, effective ownership percentage		51.00%