Stock-based Compensation (Schedule of Performance AO LTIP Units Activity) (Details)	12 Months Ended
	Dec. 31, 2025 $ / shares shares
Shares
Options outstanding at beginning of period (in shares) | shares	140,989
Expired (in shares) | shares	(15,230)
Options outstanding at end of period (in shares) | shares	124,605
Option exercisable at end of period (in shares) | shares	124,605
Weighted- Average Exercise Price
Options outstanding at beginning of period (in dollars per share) | $ / shares	$ 64.61
Expired (in dollars per share) | $ / shares	82.38
Options outstanding at end of period (in dollars per share) | $ / shares	62.70
Options exercisable at end of period (in dollars per share) | $ / shares	$ 62.70
Weighted- Average Remaining Contractual Term
Options outstanding, Weighted average remaining contractual term	2 years 8 months 15 days
Options exercisable	2 years 8 months 15 days
Performance AO LTIP Units
Shares
Outstanding at December 31 , 2024 (in shares) | shares	14,484,260
Outstanding at December 31 , 2025 (in shares) | shares	14,484,260
Options exercisable, Number of options (in shares) | shares	0
Weighted- Average Exercise Price
Outstanding, Weighted average grant date fair value at December 31 , 2024 (in dollars per share) | $ / shares	$ 16.68
Outstanding, Weighted average grant date fair value at December 31 , 2025 (in dollars per share) | $ / shares	16.68
Options exercisable, Weighted average exercise price per share December 31, 2025 (in dollars per share) | $ / shares	$ 0
Weighted- Average Remaining Contractual Term
Options outstanding, Weighted average remaining contractual term	7 years 6 months
Vornado stock options
Shares
Exercised (in shares) | shares	(1,154)
Weighted- Average Exercise Price
Exercised (in dollars per share) | $ / shares	$ 36.26