Income Per Share/Income Per Class A Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income attributable to Vornado / Vornado Realty L.P.	$ 42,007	$ 20,550
Preferred share dividends / unit distributions	(15,529)	(16,467)
NET INCOME attributable to common shareholders / Class A unitholders	26,478	4,083
Earnings allocated to unvested participating securities	(5)	(9)
Numerator for basic and diluted income (loss) per share / Class A unit	$ 26,473	$ 4,074
Denominator:
Denominator for basic income (loss) per share - weighted average shares (in shares)	191,724	191,418
Denominator for diluted income (loss) per share - weighted average shares and assumed conversions (in shares)	192,038	192,031
INCOME PER COMMON SHARE - BASIC:
Net income per common share (in dollars per share)	$ 0.14	$ 0.02
INCOME PER COMMON SHARE - DILUTED:
Net income per common share (in dollars per share)	$ 0.14	$ 0.02
Share-based payment awards
Denominator:
Effect of dilutive securities	314	613
Vornado Realty L.P.
Numerator:
Net income attributable to Vornado / Vornado Realty L.P.	$ 44,001	$ 20,879
Preferred share dividends / unit distributions	(15,558)	(16,508)
NET INCOME attributable to common shareholders / Class A unitholders	28,443	4,371
Earnings allocated to unvested participating securities	(639)	(721)
Numerator for basic and diluted income (loss) per share / Class A unit	$ 27,804	$ 3,650
Denominator:
Denominator for basic income (loss) per Class A unit - weighted average units	205,141	204,072
Denominator for diluted income (loss) per Class A unit - weighted average units and assumed conversions	205,896	204,901
Income from continuing operations, net
Net income per Class A unit (in dollars per unit)	$ 0.14	$ 0.02
Income from continuing operations, net
Net income per Class A unit (in dollars per unit)	$ 0.14	$ 0.02
Vornado Realty L.P. | Share-based payment awards
Denominator:
Effect of dilutive securities	755	829
Vornado Realty L.P. | Convertible securities
Denominator:
Denominator for basic income (loss) per Class A unit - weighted average units	205,141	204,072
Denominator for diluted income (loss) per Class A unit - weighted average units and assumed conversions	205,896	204,901