Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 93,440	$ 31,720
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	140,178	144,478
Net amortization of deferred finance costs and debt premiums	6,088	3,440
Net amortization of intangible lease assets and liabilities	(527)	(1,735)
Gain on sales of real estate assets	(747)	(2,015)
Realized foreign currency loss	0	169
Gain on sale of discontinued operations	(117)	0
Write-off of development projects	51	359
Share-based compensation expense	1,502	1,561
Income tax effect of share-based compensation	0	(1,815)
Net realized loss on sale of available-for-sale securities	22	0
Write down of note receivable	1,500	0
Loss on impairment of real estate	4,457	0
Gain on extinguishment of debt	(581)	0
Equity in earnings of unconsolidated affiliates	(3,233)	(948)
Distributions of earnings from unconsolidated affiliates	3,922	2,730
Provision for doubtful accounts	1,542	1,745
Change in deferred tax accounts	(4,926)	349
Changes in:
Tenant and other receivables	3,438	(2,995)
Other assets	758	739
Accounts payable and accrued liabilities	(19,977)	(21,297)
Net cash provided by operating activities	197,595	181,920
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to real estate assets	(79,282)	(45,417)
(Additions) reductions to restricted cash	(10,203)	688
Proceeds from sales of real estate assets	10,854	2,607
Payments received on mortgage notes receivable	2,708	1,278
Additional investments in and advances to unconsolidated affiliates	(19,626)	(24,750)
Distributions in excess of equity in earnings of unconsolidated affiliates	9,283	24,861
Changes in other assets	(7,664)	(2,366)
Net cash used in investing activities	(93,930)	(43,099)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from mortgage and other indebtedness	1,074,808	371,323
Principal payments on mortgage and other indebtedness	(1,057,087)	(528,867)
Additions to deferred financing costs	(5,980)	(2,343)
Proceeds from issuances of common stock	93	62
Proceeds from issuances of preferred stock	0	121,268
Proceeds from exercises of stock options	1,954	942
Income tax effect of share-based compensation	0	1,815
Contributions from noncontrolling interests	40	0
Distributions to noncontrolling interests	(38,579)	(41,550)
Dividends paid to holders of preferred stock	(21,188)	(14,386)
Dividends paid to common shareholders	(60,731)	(34,498)
Net cash used in financing activities	(106,670)	(126,234)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(3,005)	12,587
CASH AND CASH EQUIVALENTS, end of period	50,896	48,062
CASH AND CASH EQUIVALENTS, end of period	47,891	60,649
SUPPLEMENTAL INFORMATION:
Cash paid for interest, net of amounts capitalized	$ 134,081	$ 142,088