Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	988,261	985,800
Development and construction in progress	3,276	2,780
Total	1,036,508	1,033,551
Accumulated depreciation and amortization	(273,898)	(252,737)
Real estate, net	762,610	780,814
Cash and cash equivalents	280,010	288,926
Restricted cash	84,504	85,752
Rego Park II loan participation	199,275	0
Marketable securities	29,424	37,918
Tenant and other receivables, net of allowance for doubtful accounts of $1,476 and $1,473, respectively	4,003	3,056
Receivable arising from the straight-lining of rents	175,787	179,010
Deferred leasing costs, net, including unamortized leasing fees to Vornado of $34,251 and $36,960, respectively	44,951	48,387
Other assets	41,493	27,367
Total assets	1,622,057	1,451,230
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,240,069	1,052,359
Amounts due to Vornado	533	897
Accounts payable and accrued expenses	36,461	42,200
Other liabilities	2,908	2,929
Total liabilities	1,279,971	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	306,403	308,995
Accumulated other comprehensive (loss) income	(699)	7,862
Equity before treasury stock	342,454	353,219
Treasury stock: 66,160 shares and 67,254 shares respectively, at cost	(368)	(374)
Total equity	342,086	352,845
Total liabilities and equity	$ 1,622,057	$ 1,451,230