CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities
Net loss	$ (11,094)	$ 6,601
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	60,764	36,566
Depreciation and amortization – discontinued operations	479	1,539
Amortization of above market leases	1,572	2,323
Amortization of below market leases – discontinued operations	0	(38)
Amortization of loan costs	1,145	1,030
Share-based compensation expense	1,321	204
Deferred income tax benefit	(1,135)	(478)
Gain on sale of real estate investments	(542)	(8,772)
Non-cash impairment loss on real estate-discontinued operations	4,600	0
Equity in loss of unconsolidated joint ventures-discontinued operations	0	19
Change in fair value of contingent consideration	0	216
Increase in deferred leasing costs	(3,991)	(4,710)
Changes in operating assets and liabilities:
Change in receivables and other assets	(22,914)	1,087
Change in accounts payable and other liabilities	9,511	(3,267)
Net cash provided by operating activities	39,716	32,320
Investing activities
Proceeds from mortgage loan	0	1,500
Distributions from unconsolidated joint ventures	0	120
Investment in real estate	(225,754)	(378,693)
Proceeds from sale of real estate	2,966	110,816
Improvements to real estate	(15,819)	(13,931)
Net cash used in investing activities	(238,607)	(280,188)
Financing activities
Principal payments on mortgage notes payable	(59,800)	(20,256)
Proceeds from mortgage notes payable	178,000	73,500
Proceeds from bank borrowings	309,804	133,989
Payments on bank borrowings	(258,804)	(155,044)
Debt financing costs	(2,495)	(2,215)
Purchase of Company stock	(35)	(113)
Dividends paid on common stock	(18,660)	(3,711)
Dividends paid on convertible preferred stock	0	(1,011)
Dividends paid on preferred stock	(3,433)	(8,132)
Contributions from noncontrolling interest partners	0	3,447
Distributions to noncontrolling interest partners	(70,703)	(615)
Redemption of preferred stock	(135,532)	0
Proceeds from stock offerings, net of transaction costs	208,934	186,100
Net cash provided by financing activities	147,276	205,939
Change in cash and cash equivalents	(51,615)	(41,929)
Cash and cash equivalents at beginning of period	81,856	75,183
Cash and cash equivalents at end of period	$ 30,241	$ 33,254