Investments in Partially Owned Entities (Summary of Condensed Combined Financial Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets	$ 16,493,375	$ 17,266,588
Liabilities	9,980,263	10,062,667
Noncontrolling interests	436,732	688,683
Equity	5,839,728	6,236,346
Total revenues	1,799,995	1,589,210	$ 1,527,951
Net (loss) income	(382,612)	207,553	(461,845)
Net income (loss) attributable to Vornado / Vornado Realty L.P.	(346,499)	175,999	(297,005)
Partially Owned Properties
Assets	12,012,000	12,689,000
Liabilities	7,519,000	7,553,000
Noncontrolling interests	2,095,000	2,069,000
Equity	2,398,000	3,067,000
Total revenues	1,189,000	1,184,000	1,163,000
Net (loss) income	(404,000)	190,000	45,000
Net income (loss) attributable to Vornado / Vornado Realty L.P.	$ (483,000)	$ 114,000	$ (33,000)