Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income	$ 264,128	$ 981,922	$ 859,430
Other comprehensive (loss) income:
(Reduction) increase in unrealized net gain on available-for-sale securities	(20,951)	52,057	(55,326)
Pro rata share of amounts reclassified from accumulated other comprehensive income of a nonconsolidated subsidiary	14,402	0	0
Pro rata share of other comprehensive income (loss) of nonconsolidated subsidiaries	1,425	(2,739)	(327)
Increase in value of interest rate swaps and other	15,477	27,432	6,441
Comprehensive income	274,481	1,058,672	810,218
Less comprehensive income attributable to noncontrolling interests	(37,356)	(79,704)	(96,130)
Comprehensive income attributable to Vornado / Vornado Realty L.P.	237,125	978,968	714,088
Vornado Realty L.P.
Net income	264,128	981,922	859,430
Other comprehensive (loss) income:
(Reduction) increase in unrealized net gain on available-for-sale securities	(20,951)	52,057	(55,326)
Pro rata share of amounts reclassified from accumulated other comprehensive income of a nonconsolidated subsidiary	14,402	0	0
Pro rata share of other comprehensive income (loss) of nonconsolidated subsidiaries	1,425	(2,739)	(327)
Increase in value of interest rate swaps and other	15,477	27,432	6,441
Comprehensive income	274,481	1,058,672	810,218
Less comprehensive income attributable to noncontrolling interests	(25,802)	(21,351)	(55,765)
Comprehensive income attributable to Vornado / Vornado Realty L.P.	$ 248,679	$ 1,037,321	$ 754,453