Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
REVENUES
Rental revenues	$ 224,962	$ 205,814	$ 206,148
EXPENSES
Operating, including fees to Vornado of $6,480, $6,037 and $5,952, respectively	(101,210)	(90,446)	(91,089)
Depreciation and amortization	(32,898)	(29,797)	(32,938)
General and administrative, including management fees to Vornado of $2,440, $2,440 and $2,380, respectively	(6,341)	(6,106)	(5,924)
Total expenses	(140,449)	(126,349)	(129,951)
Interest and other income	22,245	6,769	639
Interest and debt expense	(58,297)	(28,602)	(19,686)
Change in fair value of marketable securities	0	0	3,482
Net gains on sale of real estate	53,952	0	69,950
Income from continuing operations	102,413	57,632	130,582
Income from discontinued operations (see Note 8)	0	0	2,348
Net income	$ 102,413	$ 57,632	$ 132,930
Income per common share - basic and diluted:
Income from continuing operations, basic (usd per share)	$ 19.97	$ 11.24	$ 25.48
Income from continuing operations, diluted (usd per share)	19.97	11.24	25.48
Income from discontinued operations (see Note 8), basic (usd per share)	0	0	0.46
Income from discontinued operations (see Note 8), diluted (usd per share)	0	0	0.46
Net income per common share, diluted (in dollars per share)	19.97	11.24	25.94
Net income per common share, basic (usd per share)	$ 19.97	$ 11.24	$ 25.94
Weighted average shares outstanding - basic (in shares)	5,129,330	5,126,100	5,123,613
Weighted average shares outstanding - diluted (in shares)	5,129,330	5,126,100	5,123,613