Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating activities
Net income (loss)	$ (14,407)	$ 7,817
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	90,283	56,534
Depreciation and amortization – discontinued operations	1,557	3,438
Amortization of above market leases	2,277	3,837
Amortization of below market leases – discontinued operations	0	(38)
Amortization of loan costs	1,856	1,384
Amortization of loan costs - discontinued operations	0	74
Share-based compensation expense	3,322	371
Deferred income tax benefit	(1,704)	(717)
Gain on sale of real estate investments and recovery of mortgage loan receivable	(12,087)	(10,315)
Non-cash impairment loss on real estate	5,600	0
Non-cash impairment loss on real estate-discontinued operations	4,600	0
Equity in earnings of unconsolidated joint ventures	(472)	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	(9,856)	(7,103)
Changes in operating assets and liabilities:
Change in receivables and other assets	(22,319)	2,224
Change in accounts payable and other liabilities	25,511	(6,186)
Net cash provided by operating activities	74,161	51,555
Investing activities
(Issuance of) proceeds from mortgage loan	(3,523)	2,000
Investment in unconsolidated joint ventures	(86,685)	0
Distributions from unconsolidated joint ventures	0	120
Investment in real estate	(187,442)	(396,893)
Issuance of note receivable, net	(78,800)	0
Proceeds from sale of real estate	53,921	117,637
Real estate development	(745)	0
Improvements to real estate	(23,519)	(19,288)
Net cash used in investing activities	(326,793)	(296,424)
Financing activities
Principal payments on mortgage notes payable	(61,576)	(22,390)
Proceeds from mortgage notes payable	178,000	73,500
Proceeds from bank borrowings	464,234	277,380
Payments on bank borrowings	(335,234)	(284,702)
Debt financing costs	(2,747)	(3,126)
Purchase of Company stock	(44)	(172)
Dividends paid on common stock	(28,956)	(8,335)
Dividends paid on convertible preferred stock	0	(1,011)
Dividends paid on preferred stock	(3,433)	(10,843)
Contributions from noncontrolling interest partners	0	17,447
Distributions to noncontrolling interest partners	(71,186)	(675)
Redemption of preferred stock	(135,532)	0
Proceeds from stock offerings, net of transaction costs	209,768	186,169
Net cash provided by financing activities	213,294	223,242
Change in cash and cash equivalents	(39,338)	(21,627)
Cash and cash equivalents at beginning of period	81,856	75,183
Cash and cash equivalents at end of period	$ 42,518	$ 53,556