Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUES:
Minimum rents	$ 170,185	$ 164,613	$ 340,663	$ 322,123
Percentage rents	2,376	1,756	7,291	5,208
Other rents	4,698	4,664	9,995	9,950
Management, development and leasing fees	2,849	1,967	5,924	4,436
Tenant reimbursements	72,576	70,994	146,935	140,686
Other	9,753	7,850	17,606	15,910
Total revenues	262,437	251,844	528,414	498,313
OPERATING EXPENSES:
Property operating	35,098	35,491	76,176	72,356
Depreciation and amortization	70,515	67,156	142,070	129,414
Real estate taxes	22,013	23,211	45,055	45,540
Maintenance and repairs	13,772	13,034	28,463	25,791
General and administrative	12,875	11,993	26,299	25,793
Loss on impairment	21,038	0	21,038	0
Other	8,190	6,559	14,846	13,317
Total operating expenses	183,501	157,444	353,947	312,211
Income from operations	78,936	94,400	174,467	186,102
Interest and other income	661	1,295	1,388	2,370
Interest expense	(57,205)	(61,400)	(117,033)	(121,231)
Loss on extinguishment of debt	(9,108)	0	(9,108)	0
Gain on sales of real estate assets	457	0	1,000	94
Gain on investments	2,400	0	2,400	0
Equity in earnings of unconsolidated affiliates	2,729	2,073	5,348	3,339
Income tax (provision) benefit	(757)	(267)	(583)	(39)
Income (loss) from continuing operations	18,113	36,101	57,879	70,635
Operating income (loss) of discontinued operations	35	3,308	(627)	4,414
Gain on (loss) discontinued operations	91	(16)	872	895
Net income	18,239	39,393	58,124	75,944
Net (income) loss attributable to noncontrolling interests in:
Operating partnership	(36)	(5,197)	(3,527)	(9,559)
Net Income (Loss) Attributable to Noncontrolling Interest	(6,479)	(4,805)	(12,560)	(10,945)
Net income (loss) attributable to the Company	11,724	29,391	42,037	55,440
Preferred dividends	(11,223)	(10,594)	(22,446)	(21,188)
Net income (loss) attributable to common shareholders	501	18,797	19,591	34,252
Basic per share data attributable to common shareholders:
Income (loss) from continuing operations, net of preferred dividends	$ 0.00	$ 0.11	$ 0.12	$ 0.20
Discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.03
Net income (loss) attributable to common shareholders	$ 0.00	$ 0.12	$ 0.12	$ 0.23
Weighted average common shares outstanding	166,607	150,913	164,088	149,704
Diluted earnings per share data attributable to common shareholders:
Income (loss) from continuing operations, net of preferred dividends	$ 0.00	$ 0.11	$ 0.12	$ 0.20
Discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.03
Net income (loss) attributable to common shareholders	$ 0.00	$ 0.12	$ 0.12	$ 0.23
Weighted average common and potential dilutive common shares outstanding	166,607	150,954	164,088	149,746
Amounts attributable to common shareholders:
Income (loss) rom continuing operations, net of preferred dividends	394	16,184	19,383	30,071
Discontinued operations	107	2,613	208	4,181
Net income (loss) attributable to common shareholders	$ 501	$ 18,797	$ 19,591	$ 34,252
Dividends declared per common share	$ 0.23	$ 0.22	$ 0.46	$ 0.44