Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 11,160	$ 18,915
Adjustments to reconcile net income to net cash provided by operating activities:
Change in fair value of derivatives	(61)	19
Depreciation and amortization of deferred leasing costs	28,824	19,548
Amortization of deferred debt costs	625	901
Non cash compensation costs of stock grants and options	695	679
Provision for credit losses	549	593
Decrease in accounts receivable and accrued income	(844)	(170)
Additions to deferred leasing costs	(1,862)	(2,980)
Decrease in prepaid expenses	2,226	2,431
(Increase) decrease in other assets	(1,886)	5,469
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(1,024)	2,774
Decrease in deferred income	(4,359)	(125)
Net cash provided by operating activities	34,043	48,054
Cash flows from investing activities:
Additions to real estate investments	(7,322)	(5,448)
Additions to development and redevelopment projects	(4,054)	(1,824)
Net cash used in investing activities	(11,376)	(7,272)
Cash flows from financing activities:
Proceeds from mortgage notes payable	83,600	83,500
Repayments on mortgage notes payable	(47,152)	(74,276)
Proceeds from revolving credit facility	123,000
Repayments on revolving credit facility	(161,000)	(8,000)
Additions to deferred debt costs	(1,254)	(2,078)
Proceeds from the issuance of:
Common stock	12,683	11,497
Preferred stock redemption costs	(9)
Distributions to:
Common stockholders	(14,489)	(13,949)
Noncontrolling interest	(4,978)	(4,978)
Net cash used in financing activities	(21,855)	(15,854)
Net increase in cash and cash equivalents	812	24,928
Cash and cash equivalents, beginning of period	12,133	12,323
Cash and cash equivalents, end of period	12,945	37,251
Series C Preferred Stock
Proceeds from the issuance of:
Preferred stock	135,221
Distributions to:
Preferred stockholders	(1,283)
Series A Preferred Stock
Proceeds from the issuance of:
Preferred stock redemption payments	(60,000)
Distributions to:
Preferred stockholders	(3,613)	(4,000)
Series B Preferred Stock
Proceeds from the issuance of:
Preferred stock redemption payments	(79,328)
Distributions to:
Preferred stockholders	$ (3,253)	$ (3,570)