Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 15,244	$ 14,162
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization, including amortization of debt issuance costs	7,898	7,821
Straight-lining of rental income	(641)	(949)
Change in operating assets and liabilities:
Tenant and other receivables, net	193	(424)
Other assets	9,547	9,277
Amounts due to Vornado	(815)	(822)
Accounts payable and accrued expenses	8,888	4,488
Other liabilities	(3)	(1)
Net cash provided by operating activities	40,311	33,552
CASH FLOWS FROM INVESTING ACTIVITIES
Restricted cash	4,510	919
Construction in progress and real estate additions	(1,444)	(1,267)
Net cash provided by (used in) investing activities	3,066	(348)
CASH FLOWS FROM FINANCING ACTIVITIES
Debt repayments	(314,937)	(3,963)
Proceeds from borrowing	300,000	0
Dividends paid	(16,607)	(14,047)
Debt issuance costs	(4,223)	(82)
Net cash used in financing activities	(35,767)	(18,092)
Net increase in cash and cash equivalents	7,610	15,112
Cash and cash equivalents at beginning of period	347,718	353,396
Cash and cash equivalents at end of period	355,328	368,508
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest, excluding capitalized interest of $30 in 2014	10,291	10,472
NON-CASH TRANSACTIONS
Liability for real estate additions included in accounts payable and accrued expenses	1,750	603
Write-off of fully amortized and depreciated assets	$ 10,569	$ 0