Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	950,416	873,667
Development and construction in progress	40,189	75,289
Total	1,035,576	993,927
Accumulated depreciation and amortization	(229,498)	(210,025)
Real estate, net	806,078	783,902
Cash and cash equivalents	252,866	227,815
Short-term investments	0	24,998
Restricted cash	84,770	84,602
Marketable securities	41,119	44,646
Tenant and other receivables, net of allowance for doubtful accounts of $1,051 and $1,544, respectively	2,772	2,213
Receivable arising from the straight-lining of rents	181,215	179,939
Deferred lease and other property costs, net, including unamortized leasing fees to Vornado of $31,796 and $33,974, respectively	43,756	46,561
Deferred debt issuance costs, net of accumulated amortization of $3,626 and $11,295, respectively	6,964	4,824
Other assets	37,161	23,716
Total assets	1,456,701	1,423,216
LIABILITIES AND EQUITY
Mortgages payable	1,060,408	1,032,780
Amounts due to Vornado	5,966	3,922
Accounts payable and accrued expenses	42,238	35,127
Other liabilities	2,965	2,988
Total liabilities	$ 1,111,577	$ 1,074,817
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	298,664	299,004
Accumulated other comprehensive income	10,922	14,457
Equity before treasury stock	345,498	348,773
Treasury stock: 67,254 shares, at cost	(374)	(374)
Total equity	345,124	348,399
Total liabilities and equity	$ 1,456,701	$ 1,423,216