Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 49,764	$ 41,125
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including amortization of debt issuance costs	23,838	23,535
Straight-lining of rental income	(1,905)	(3,022)
Stock-based compensation expense	394	394
Reversal of income tax liability	(420)	(206)
Change in operating assets and liabilities:
Tenant and other receivables, net	538	(348)
Other assets	(14,345)	(10,036)
Amounts due to Vornado	872	(2,413)
Accounts payable and accrued expenses	7,686	5,274
Other liabilities	(13)	(40)
Net cash provided by operating activities	66,409	54,263
CASH FLOWS FROM INVESTING ACTIVITIES
Construction in progress and real estate additions	(39,957)	(5,931)
Restricted cash	5,294	(75)
Net cash used in investing activities	(34,663)	(6,006)
CASH FLOWS FROM FINANCING ACTIVITIES
Debt repayments	(316,418)	(11,870)
Proceeds from borrowing	300,000	0
Dividends paid	(49,825)	(42,145)
Debt issuance costs	(4,245)	(85)
Net cash used in financing activities	(70,488)	(54,100)
Net decrease in cash and cash equivalents	(38,742)	(5,843)
Cash and cash equivalents at beginning of period	347,718	353,396
Cash and cash equivalents at end of period	308,976	347,553
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest, excluding capitalized interest of $265 in 2014	24,062	31,695
NON-CASH TRANSACTIONS
Liability for real estate additions included in accounts payable and accrued expenses	14,296	1,458
Write-off of fully amortized and depreciated assets	$ 10,569	$ 0