Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
REVENUES:
Minimum rents	$ 167,609	$ 168,288	$ 328,397	$ 339,202
Percentage rents	1,756	2,062	5,222	5,802
Other rents	4,683	4,582	9,996	9,590
Tenant reimbursements	71,732	77,022	142,219	153,832
Management, development and leasing fees	1,966	1,568	4,435	2,905
Other	7,852	8,597	16,001	17,957
Total revenues	255,598	262,119	506,270	529,288
OPERATING EXPENSES:
Property operating	36,562	35,984	74,923	76,143
Depreciation and amortization	68,126	71,839	131,283	139,538
Real estate taxes	23,756	25,124	46,602	49,450
Maintenance and repairs	13,419	14,044	26,575	30,052
General and administrative	11,993	11,241	25,793	23,041
Other	6,559	7,046	13,317	15,349
Total operating expenses	160,415	165,278	318,493	333,573
Income from operations	95,183	96,841	187,777	195,715
Interest and other income	1,298	612	2,373	1,157
Interest expense	(61,400)	(70,914)	(121,460)	(139,127)
Gain on extinguishment of debt	0	0	0	581
Gain (loss) on sales of real estate assets	2,543	(97)	3,130	712
Equity in earnings of unconsolidated affiliates	2,073	1,455	3,339	3,233
Income tax (provision) benefit	(267)	4,653	(39)	6,423
Income from continuing operations	39,430	32,550	75,120	68,694
Operating income (loss) of discontinued operations	(21)	(3,156)	(71)	24,594
Gain on (loss) discontinued operations	(16)	138	895	152
Net income	39,393	29,532	75,944	93,440
Net (income) loss attributable to noncontrolling interests in:
Operating partnership	(5,197)	(2,752)	(9,559)	(13,203)
Other consolidated subsidiaries	(4,805)	(6,404)	(10,945)	(12,542)
Net income attributable to the Company	29,391	20,376	55,440	67,695
Preferred dividends	(10,594)	(10,594)	(21,188)	(21,188)
Net income attributable to common shareholders	18,797	9,782	34,252	46,507
Basic per share data attributable to common shareholders:
Income from continuing operations, net of preferred dividends	$ 0.12	$ 0.08	$ 0.22	$ 0.18
Discontinued operations	$ 0.00	$ (0.01)	$ 0.01	$ 0.13
Net income attributable to common shareholders	$ 0.12	$ 0.07	$ 0.23	$ 0.31
Weighted average common shares outstanding	150,913	148,356	149,704	148,214
Diluted earnings per share data attributable to common shareholders:
Income from continuing operations, net of preferred dividends	$ 0.12	$ 0.08	$ 0.22	$ 0.18
Discontinued operations	$ 0.00	$ (0.01)	$ 0.01	$ 0.13
Net income attributable to common shareholders	$ 0.12	$ 0.07	$ 0.23	$ 0.31
Weighted average common and potential dilutive common shares outstanding	150,954	148,398	149,746	148,262
Amounts attributable to common shareholders:
Income from continuing operations, net of preferred dividends	18,826	12,134	33,603	27,233
Discontinued operations	(29)	(2,352)	649	19,274
Net income attributable to common shareholders	$ 18,797	$ 9,782	$ 34,252	$ 46,507
Dividends declared per common share	$ 0.22	$ 0.21	$ 0.44	$ 0.42