Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Real estate, at cost:
Land	$ 44,804	$ 44,971
Buildings and leasehold improvements	1,013,011	1,014,311
Development and construction in progress	18,945	11,761
Total	1,076,760	1,071,043
Accumulated depreciation and amortization	(364,290)	(350,122)
Real estate, net	712,470	720,921
Cash and cash equivalents	448,913	428,710
Restricted cash	20,858	21,167
Marketable securities	9,435	6,024
Tenant and other receivables	6,619	8,116
Receivable arising from the straight-lining of rents	137,863	145,274
Deferred leasing costs, net, including unamortized leasing fees to Vornado of $24,633 and $27,851, respectively	32,265	36,524
Other assets	45,163	37,402
Total assets	1,413,586	1,404,138
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,157,263	1,156,170
Amounts due to Vornado	2,092	1,516
Accounts payable and accrued expenses	53,200	35,342
Other liabilities	6,720	7,882
Total liabilities	1,219,275	1,200,910
Commitments and contingencies
Preferred stock: $1.00 par value per share; authorized, 3,000,000 shares; issued and outstanding, none	0	0
Common stock: $1.00 par value per share; authorized, 10,000,000 shares; issued, 5,173,450 shares; outstanding, 5,107,290 shares	5,173	5,173
Additional capital	33,415	32,965
Retained earnings	152,186	166,165
Accumulated other comprehensive income (loss)	3,905	(707)
Equity before treasury stock	194,679	203,596
Treasury stock: 66,160 shares, at cost	(368)	(368)
Total equity	194,311	203,228
Total liabilities and equity	$ 1,413,586	$ 1,404,138