Income (Loss) 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	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income attributable to Vornado	$ 102,368	$ 6,495
Preferred share dividends/unit distributions	(15,526)	(15,529)
Net income (loss) attributable to common shareholders/Class A unitholders	86,842	(9,034)
Distributions and earnings allocated to unvested participating securities	0	0
Numerator for basic income (loss) per common share/Class A unit	86,842	(9,034)
Impact of assumed conversion of dilutive convertible securities	283	0
Numerator for diluted income (loss) per common share/Class A unit	$ 87,125	$ (9,034)
Denominator:
Denominator for basic income (loss) per common share - weighted average shares (in shares)	191,371	190,429
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Share-based awards (in shares)	8,161	0
Convertible securities (in shares)	1,203	0
Denominator for diluted income (loss) per common share - weighted average shares and assumed conversions (in shares)	200,735	190,429
INCOME (LOSS) PER COMMON SHARE/CLASS A UNIT:
Basic (in dollars per share)	$ 0.45	$ (0.05)
Diluted (in dollars per share)	$ 0.43	$ (0.05)
INCOME (LOSS) PER COMMON SHARE/CLASS A UNIT:
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	49
Vornado Realty L.P.
Numerator:
Net income attributable to Vornado	$ 110,257	$ 5,709
Preferred share dividends/unit distributions	(15,555)	(15,558)
Net income (loss) attributable to common shareholders/Class A unitholders	94,702	(9,849)
Distributions and earnings allocated to unvested participating securities	(1,331)	0
Numerator for basic income (loss) per common share/Class A unit	93,371	(9,849)
Impact of assumed conversion of dilutive convertible securities	283	0
Numerator for diluted income (loss) per common share/Class A unit	$ 93,654	$ (9,849)
Denominator:
Denominator for basic income (loss) per Class A unit - weighted average shares (in shares)	205,761	204,873
Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]
Share-based awards (in shares)	8,161	0
Convertible securities (in shares)	1,203	0
Denominator for diluted income (loss) per Class A unit - weighted average shares and assumed conversions (in shares)	215,125	204,873
INCOME (LOSS) PER COMMON SHARE/CLASS A UNIT:
Basic (in dollars per unit)	$ 0.45	$ (0.05)
Diluted (in dollars per unit)	$ 0.44	$ (0.05)
Weighted average common share / class A unit equivalents of excluded dilutive securities due to anti-dilutive effect (in shares)	49