Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	987,507	985,800
Development and construction in progress	3,071	2,780
Total	1,035,549	1,033,551
Accumulated depreciation and amortization	(266,624)	(252,737)
Real estate, net	768,925	780,814
Cash and cash equivalents	466,456	288,926
Restricted cash	84,567	85,752
Marketable securities	31,077	37,918
Tenant and other receivables, net of allowance for doubtful accounts of $1,870 and $1,473, respectively	2,776	3,056
Receivable arising from the straight-lining of rents	176,861	179,010
Deferred leasing costs, net, including unamortized leasing fees to Vornado of $35,163 and $36,960, respectively	46,106	48,387
Other assets	53,487	27,367
Total assets	1,630,255	1,451,230
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,239,729	1,052,359
Amounts due to Vornado	551	897
Accounts payable and accrued expenses	41,865	42,200
Other liabilities	2,915	2,929
Total liabilities	1,285,060	1,098,385
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 and, 5,106,196 shares, respectively	5,173	5,173
Additional capital	31,577	31,189
Retained earnings	307,848	308,995
Accumulated other comprehensive income	965	7,862
Equity before treasury stock	345,563	353,219
Treasury stock: 66,160 shares and 67,254 shares respectively, at cost	(368)	(374)
Total equity	345,195	352,845
Total liabilities and equity	$ 1,630,255	$ 1,451,230