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, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income attributable to Vornado / Vornado Realty L.P.	$ 65,947	$ 64,512	$ 107,954	$ 85,062
Preferred share dividends / unit distributions	(15,529)	(16,467)	(31,058)	(32,934)
NET INCOME attributable to common shareholders / Class A unitholders	50,418	48,045	76,896	52,128
Earnings allocated to unvested participating securities	(5)	(9)	(10)	(18)
Numerator for basic income per share	50,413	48,036	76,886	52,110
Impact of assumed conversion of dilutive convertible securities	(380)	0	(257)	0
Numerator for basic and diluted income (loss) per share / Class A unit	$ 50,033	$ 48,036	$ 76,629	$ 52,110
Denominator:
Denominator for basic income (loss) per share - weighted average shares (in shares)	191,750	191,527	191,737	191,473
Denominator for diluted income (loss) per share - weighted average shares and assumed conversions (in shares)	192,039	192,380	192,047	192,207
INCOME PER COMMON SHARE - BASIC:
Net income per common share (in dollars per share)	$ 0.26	$ 0.25	$ 0.40	$ 0.27
INCOME PER COMMON SHARE - DILUTED:
Net income per common share (in dollars per share)	$ 0.26	$ 0.25	$ 0.40	$ 0.27
Share-based payment awards
Denominator:
Effect of dilutive securities	261	853	289	734
Convertible securities
Denominator:
Effect of dilutive securities	28	0	21	0
Vornado Realty L.P.
Numerator:
Net income attributable to Vornado / Vornado Realty L.P.	$ 69,729	$ 68,048	$ 113,730	$ 88,927
Preferred share dividends / unit distributions	(15,557)	(16,508)	(31,115)	(33,016)
NET INCOME attributable to common shareholders / Class A unitholders	54,172	51,540	82,615	55,911
Earnings allocated to unvested participating securities	(582)	(664)	(1,221)	(1,385)
Numerator for basic income per share	53,590	50,876	81,394	54,526
Impact of assumed conversion of dilutive convertible securities	(380)	0	(257)	0
Numerator for basic and diluted income (loss) per share / Class A unit	$ 53,210	$ 50,876	$ 81,137	$ 54,526
Denominator:
Denominator for basic income (loss) per Class A unit - weighted average units	205,259	204,621	205,200	204,560
Denominator for diluted income (loss) per Class A unit - weighted average units and assumed conversions	205,930	205,814	205,922	205,572
INCOME PER CLASS A UNIT - BASIC:
Net income per Class A unit (in dollars per unit)	$ 0.26	$ 0.25	$ 0.40	$ 0.27
INCOME PER CLASS A UNIT - DILUTED:
Net income per Class A unit (in dollars per unit)	$ 0.26	$ 0.25	$ 0.39	$ 0.27
Vornado Realty L.P. | Share-based payment awards
Denominator:
Effect of dilutive securities	643	1,193	701	1,012
Vornado Realty L.P. | Convertible securities
Denominator:
Effect of dilutive securities	28	0	21	0