Income Per Share and Per Class A Unit - Schedule Of Earnings Per Share Basic And Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Numerator:
Net income attributable to Vornado/Vornado Realty L.P.	$ 904,955	$ 70,387	$ 105,494
Preferred share dividends/unit distributions	(62,104)	(62,112)	(62,116)
Net income attributable to common shareholders/Class A unitholders	842,851	8,275	43,378
Distributions and earnings allocated to unvested participating securities	0	0	(2)
Numerator for basic income per common share/Class A unit	842,851	8,275	43,376
Impact of assumed conversion of dilutive potential convertible securities	1,409	0	0
Numerator for diluted income per common share/Class A unit	$ 844,260	$ 8,275	$ 43,376
Denominator:
Denominator for basic income per common share - weighted average shares (in shares)	191,759	190,539	191,005
Effect of dilutive securities/units
Share/unit-based awards (in shares)	7,976	6,087	851
Convertible securities (in shares)	1,314	0	0
Denominator for diluted income per common share - weighted average shares and assumed conversions (in shares)	201,049	196,626	191,856
Income per common share:
Basic (in dollars per share)	$ 4.40	$ 0.04	$ 0.23
Diluted (in dollars per share)	$ 4.20	$ 0.04	$ 0.23
Income per common share:
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	0	1,580	3,458
Vornado Realty L.P.
Numerator:
Net income attributable to Vornado/Vornado Realty L.P.	$ 978,826	$ 71,247	$ 108,855
Preferred share dividends/unit distributions	(62,219)	(62,227)	(62,231)
Net income attributable to common shareholders/Class A unitholders	916,607	9,020	46,624
Distributions and earnings allocated to unvested participating securities	(13,265)	(1,964)	(1,323)
Numerator for basic income per common share/Class A unit	903,342	7,056	45,301
Impact of assumed conversion of dilutive potential convertible securities	1,409	0	0
Numerator for diluted income per common share/Class A unit	$ 904,751	$ 7,056	$ 45,301
Denominator:
Denominator for basic income per Class A unit – weighted average units (in shares)	205,697	204,981	205,105
Effect of dilutive securities/units
Share/unit-based awards (in shares)	7,976	6,087	851
Convertible securities (in shares)	1,314	0	0
Denominator for diluted income per Class A unit – weighted average units and assumed conversions (in shares)	214,987	211,068	205,956
Income per common share:
Basic (in dollars per share)	$ 4.39	$ 0.03	$ 0.22
Diluted (in dollars per share)	$ 4.21	$ 0.03	$ 0.22
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	0	1,580	3,458