Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
REVENUES
Rental revenues	$ 51,388	$ 45,478	$ 107,541	$ 99,588
EXPENSES
Operating, including fees to Vornado of $1,489, $1,235, $3,049 and $2,618 respectively	(23,422)	(19,778)	(47,222)	(41,531)
Depreciation and amortization	(8,132)	(7,633)	(16,674)	(15,542)
General and administrative, including management fees to Vornado of $595 and $1,190 in each three and six month period, respectively	(1,823)	(2,111)	(3,366)	(3,562)
Total expenses	(33,377)	(29,522)	(67,262)	(60,635)
Interest and other income, net	151	710	323	2,253
Interest and debt expense	(5,086)	(6,172)	(10,226)	(14,745)
Change in fair value of marketable securities	3,698	1,837	4,280	(9,558)
Net gain on sale of real estate	9,124	0	9,124	0
Net income	$ 25,898	$ 12,331	$ 43,780	$ 16,903
Net income per common share - basic (in usd per share)	$ 5.05	$ 2.41	$ 8.55	$ 3.30
Net income per common share - diluted (in usd per share)	$ 5.05	$ 2.41	$ 8.55	$ 3.30
Weighted average shares outstanding - basic (in shares)	5,123,255	5,120,548	5,122,733	5,119,623
Weighted average shares outstanding - diluted (in shares)	5,123,255	5,120,548	5,122,733	5,119,623