Income Per Share/Income Per Class A Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net income attributable to Vornado/Vornado Realty L.P.	$ 61,906	$ 65,947	$ 82,603	$ 107,954
Preferred share dividends / unit distributions	(15,529)	(15,529)	(31,058)	(31,058)
NET INCOME attributable to common shareholders / Class A unitholders	46,377	50,418	51,545	76,896
Earnings allocated to unvested participating securities	(1)	(5)	(1)	(10)
Numerator for basic income per share	46,376	50,413	51,544	76,886
Impact of assumed conversion of dilutive convertible securities	377	(380)	700	(257)
Numerator for diluted income per share / Class A unit	$ 46,753	$ 50,033	$ 52,244	$ 76,629
Denominator:
Denominator for basic income per share - weighted average shares (in shares)	191,468	191,750	191,668	191,737
Denominator for diluted income per share - weighted average shares and assumed conversions (in shares)	194,804	192,039	194,364	192,047
INCOME PER COMMON SHARE - BASIC:
Net income per common share(in dollars per share)	$ 0.24	$ 0.26	$ 0.27	$ 0.40
INCOME PER COMMON SHARE - DILUTED:
Net income per common share (in dollars per share)	$ 0.24	$ 0.26	$ 0.27	$ 0.40
Share-based payment awards
Denominator:
Effect of dilutive securities	32	261	23	289
Convertible securities
Denominator:
Effect of dilutive securities	3,304	28	2,673	21
Vornado Realty L.P.
Numerator:
Net income attributable to Vornado/Vornado Realty L.P.	$ 65,514	$ 69,729	$ 86,640	$ 113,730
Preferred share dividends / unit distributions	(15,557)	(15,557)	(31,115)	(31,115)
NET INCOME attributable to common shareholders / Class A unitholders	49,957	54,172	55,525	82,615
Earnings allocated to unvested participating securities	(204)	(582)	(228)	(1,221)
Numerator for basic income per share	49,753	53,590	55,297	81,394
Impact of assumed conversion of dilutive convertible securities	377	(380)	700	(257)
Numerator for diluted income per share / Class A unit	$ 50,130	$ 53,210	$ 55,997	$ 81,137
Denominator:
Denominator for basic income per Class A unit - weighted average units and assumed conversions	205,411	205,259	205,606	205,200
Denominator for diluted income per Class A unit – weighted average units and assumed conversions (in shares)	208,747	205,930	208,302	205,922
INCOME PER CLASS A UNIT - BASIC:
Net income per Class A unit (in dollars per unit)	$ 0.24	$ 0.26	$ 0.27	$ 0.40
INCOME PER CLASS A UNIT - DILUTED:
Net income per Class A unit (in dollars per unit)	$ 0.24	$ 0.26	$ 0.27	$ 0.39
Vornado Realty L.P. | Share-based payment awards
Denominator:
Effect of dilutive securities	32	643	23	701
Vornado Realty L.P. | Convertible securities
Denominator:
Effect of dilutive securities	3,304	28	2,673	21