Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES
Revenues	$ 206,148	$ 199,142	$ 226,350
EXPENSES
Operating, including fees to Vornado of $5,952, $5,429 and $5,386, respectively	(91,089)	(88,403)	(89,738)
Depreciation and amortization	(32,938)	(32,357)	(31,351)
General and administrative, including management fees to Vornado of $2,380	(5,924)	(6,307)	(5,772)
Total expenses	(129,951)	(127,067)	(126,861)
Interest and other income, net	639	2,667	8,244
Interest and debt expense	(19,686)	(24,204)	(38,901)
Change in fair value of marketable securities	3,482	(8,599)	(8,757)
Net gain on sale of real estate	69,950	0	0
Income from continuing operations	130,582	41,939	60,075
Income from discontinued operations (see Note 7)	2,348	0	0
Net income	$ 132,930	$ 41,939	$ 60,075
Income per common share - basic and diluted:
Income from continuing operations, basic (usd per share)	$ 25.48	$ 8.19	$ 11.74
Income from continuing operations, diluted (usd per share)	25.48	8.19	11.74
Income from discontinued operations (see Note 7), basic (usd per share)	0.46	0	0
Income from discontinued operations (see Note 7), diluted (usd per share)	0.46	0	0
Net income per common share, diluted (in dollars per share)	25.94	8.19	11.74
Net income per common share, basic (usd per share)	$ 25.94	$ 8.19	$ 11.74
Weighted average shares outstanding - basic (in shares)	5,123,613	5,120,922	5,118,198
Weighted average shares outstanding - diluted (in shares)	5,123,613	5,120,922	5,118,198