Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	1,014,311	984,053
Development and construction in progress	11,761	12,318
Total	1,071,043	1,041,342
Accumulated depreciation and amortization	(350,122)	(324,499)
Real estate, net	720,921	716,843
Cash and cash equivalents	428,710	298,063
Restricted cash	21,167	15,914
Marketable securities	6,024	14,409
Tenant and other receivables	8,116	6,092
Receivable arising from the straight-lining of rents	145,274	166,376
Deferred lease and other property costs, net, including unamortized leasing fees to Vornado of $27,851 and $32,374, respectively	36,524	41,123
Other assets	37,402	6,691
Assets	1,404,138	1,265,511
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,156,170	970,961
Amounts due to Vornado	1,516	1,426
Accounts payable and accrued expenses	35,342	31,756
Other liabilities	7,882	7,853
Total liabilities	1,200,910	1,011,996
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	32,965	32,365
Retained earnings	166,165	216,394
Accumulated other comprehensive loss	(707)	(49)
Equity before treasury stock	203,596	253,883
Treasury stock: 66,160 shares, at cost	(368)	(368)
Total equity	203,228	253,515
Total liabilities and equity	$ 1,404,138	$ 1,265,511