Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Real estate, at cost:
Land	$ 44,971	$ 44,971
Buildings and leasehold improvements	978,527	988,846
Development and construction in progress	3,530	3,551
Total	1,027,028	1,037,368
Accumulated depreciation and amortization	(278,894)	(283,044)
Real estate, net	748,134	754,324
Cash and cash equivalents	319,026	307,536
Restricted cash	87,190	85,743
Rego Park II loan participation	197,784	198,537
Marketable securities	29,986	35,156
Tenant and other receivables, net of allowance for doubtful accounts of $1,355 and $1,501, respectively	2,907	2,693
Receivable arising from the straight-lining of rents	173,268	174,713
Deferred leasing costs, net, including unamortized leasing fees to Vornado of $34,219 and $35,152, respectively	44,580	45,790
Other assets	14,393	27,903
Total assets	1,617,268	1,632,395
LIABILITIES AND EQUITY
Mortgages payable, net of deferred debt issuance costs	1,240,564	1,240,222
Amounts due to Vornado	718	2,490
Accounts payable and accrued expenses	38,046	42,827
Liability related to discontinued operations (see Note 8)	23,797	0
Other liabilities	2,862	2,901
Total liabilities	1,305,987	1,288,440
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 shares	5,173	5,173
Additional capital	31,577	31,577
Retained earnings	274,977	302,543
Accumulated other comprehensive (loss) income	(78)	5,030
Equity before treasury stock	311,649	344,323
Treasury stock: 66,160 shares, at cost	(368)	(368)
Total equity	311,281	343,955
Total liabilities and equity	$ 1,617,268	$ 1,632,395