Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
REVENUES
Rental revenues	$ 43,499	$ 57,760	$ 143,087	$ 170,470
EXPENSES
Operating, including fees to Vornado of $1,177, $1,310, $3,795 and $3,930 respectively	(22,448)	(23,389)	(63,979)	(66,905)
Depreciation and amortization	(7,587)	(7,831)	(23,129)	(23,528)
General and administrative, including management fees to Vornado of $595 and $1,785 in each three and nine month period, respectively	(1,386)	(1,333)	(4,948)	(4,471)
Total expenses	(31,421)	(32,553)	(92,056)	(94,904)
Interest and other income, net	220	2,075	2,473	6,428
Interest and debt expense	(4,463)	(9,772)	(19,208)	(30,096)
Change in fair value of marketable securities	(1,231)	(1,017)	(10,789)	(6,257)
Net income	$ 6,604	$ 16,493	$ 23,507	$ 45,641
Net income per common share - basic and diluted (in usd per share)	$ 1.29	$ 3.22	$ 4.59	$ 8.92
Weighted average shares outstanding - basic and diluted (in shares)	5,122,206	5,118,698	5,120,490	5,118,030