Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	871,231	869,681
Development and construction in progress	56,543	4,924
Total	972,745	919,576
Accumulated depreciation and amortization	(203,861)	(185,375)
Real estate, net	768,884	734,201
Cash and cash equivalents	308,976	347,718
Restricted cash	84,750	90,044
Marketable securities	34,166	31,522
Tenant and other receivables, net of allowance for doubtful accounts of $1,487 and $1,993, respectively	2,387	2,925
Receivable arising from the straight-lining of rents	179,306	177,401
Deferred lease and other property costs, net, including unamortized leasing fees to Vornado of $34,892 and $36,728, respectively	47,713	50,273
Deferred debt issuance costs, net of accumulated amortization of $10,610 and $19,187, respectively	5,499	3,246
Other assets	33,756	20,394
Total assets	1,465,437	1,457,724
Liabilities and Equity
Mortgages payable	1,033,541	1,049,959
Amounts due to Vornado	44,179	43,307
Accounts payable and accrued expenses	48,348	27,450
Other liabilities	2,994	3,427
Total liabilities	1,129,062	1,124,143
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	30,139	29,745
Retained earnings	297,454	297,515
Accumulated other comprehensive income	3,983	1,522
Equity before treasury stock	336,749	333,955
Treasury stock: 67,254 shares, at cost	(374)	(374)
Total equity	336,375	333,581
Total liabilities and equity	$ 1,465,437	$ 1,457,724