Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	874,901	873,667
Development and construction in progress	105,544	75,289
Total	1,025,416	993,927
Accumulated depreciation and amortization	(222,496)	(210,025)
Real estate, net	802,920	783,902
Cash and cash equivalents	211,230	227,815
Short-term investments	0	24,998
Restricted cash	84,486	84,602
Marketable securities	39,931	44,646
Tenant and other receivables, net of allowance for doubtful accounts of $1,204 and $1,544, respectively	3,210	2,213
Receivable arising from the straight-lining of rents	180,882	179,939
Deferred lease and other property costs, net, including unamortized leasing fees to Vornado of $32,626 and $33,974, respectively	44,725	46,561
Deferred debt issuance costs, net of accumulated amortization of $12,571 and $11,295, respectively	3,475	4,824
Other assets	47,080	23,716
Total assets	1,417,939	1,423,216
LIABILITIES AND EQUITY
Mortgages payable	1,031,213	1,032,780
Amounts due to Vornado	5,486	3,922
Accounts payable and accrued expenses	34,610	35,127
Other liabilities	2,973	2,988
Total liabilities	$ 1,074,282	$ 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	298,387	299,004
Accumulated other comprehensive income	9,732	14,457
Equity before treasury stock	344,031	348,773
Treasury stock: 67,254 shares, at cost	(374)	(374)
Total equity	343,657	348,399
Total liabilities and equity	$ 1,417,939	$ 1,423,216