Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUES:
Minimum rents	$ 170,478	$ 157,510
Percentage rents	4,915	3,452
Other rents	5,297	5,286
Tenant reimbursements	74,359	69,692
Management, development and leasing fees	3,075	2,469
Other	7,853	8,060
Total revenues	265,977	246,469
OPERATING EXPENSES:
Property operating	41,078	36,865
Depreciation and amortization	71,555	62,258
Real estate taxes	23,042	22,329
Maintenance and repairs	14,691	12,757
General and administrative	13,424	13,800
Other	6,656	6,758
Total operating expenses	170,446	154,767
Income from operations	95,531	91,702
Interest and other income	727	1,075
Interest expense	(59,828)	(59,831)
Gain on sales of real estate assets	543	94
Equity in earnings of unconsolidated affiliates	2,619	1,266
Income tax (provision) benefit	174	228
Income (loss) from continuing operations	39,766	34,534
Operating income (loss) of discontinued operations	(662)	1,106
Gain on (loss) discontinued operations	781	911
Net income (loss)	39,885	36,551
Net (income) loss attributable to noncontrolling interests in:
Operating partnership	(3,491)	(4,362)
Other consolidated subsidiaries	(6,081)	(6,140)
Net income (loss) attributable to the Company	30,313	26,049
Preferred dividends	(11,223)	(10,594)
Net income (loss) attributable to common shareholders	19,090	15,455
Basic per share data attributable to common shareholders:
Income (loss) from continuing operations, net of preferred dividends	$ 0.12	$ 0.09
Discontinued operations	$ 0.00	$ 0.01
Net income (loss) attributable to common shareholders	$ 0.12	$ 0.10
Weighted average common shares outstanding	161,540	148,495
Diluted earnings per share data attributable to common shareholders:
Income (loss) from continuing operations, net of preferred dividends	$ 0.12	$ 0.09
Discontinued operations	$ 0.00	$ 0.01
Net income (loss) attributable to common shareholders	$ 0.12	$ 0.10
Weighted average common and potential dilutive common shares outstanding	161,540	148,538
Amounts attributable to common shareholders:
Income (loss) rom continuing operations, net of preferred dividends	18,989	13,880
Discontinued operations	101	1,575
Net income (loss) attributable to common shareholders	$ 19,090	$ 15,455
Dividends declared per common share	$ 0.23	$ 0.22