Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	975,015	873,667
Development and construction in progress	9,486	75,289
Total	1,029,472	993,927
Accumulated depreciation and amortization	(225,533)	(210,025)
Real estate, net	803,939	783,902
Cash and cash equivalents	259,349	227,815
Short-term investments	0	24,998
Restricted cash	85,307	84,602
Marketable securities	43,191	44,646
Tenant and other receivables, net of allowance for doubtful accounts of $918 and $1,544, respectively	4,014	2,213
Receivable arising from the straight-lining of rents	181,357	179,939
Deferred lease and other property costs, net, including unamortized leasing fees to Vornado of $33,482 and $33,974, respectively	45,840	46,561
Other assets	24,811	23,716
Total assets	1,447,808	1,418,392
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,053,262	1,027,956
Amounts due to Vornado	8,551	3,922
Accounts payable and accrued expenses	30,158	35,127
Other liabilities	2,957	2,988
Total liabilities	$ 1,094,928	$ 1,069,993
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 5,106,196 shares	5,173	5,173
Additional capital	30,739	30,139
Retained earnings	304,340	299,004
Accumulated other comprehensive income	13,002	14,457
Equity before treasury stock	353,254	348,773
Treasury stock: 67,254 shares, at cost	(374)	(374)
Total equity	352,880	348,399
Total liabilities and equity	$ 1,447,808	$ 1,418,392