Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues
Revenues from rental properties	$ 289,080	$ 237,432	$ 564,586	$ 456,584
Management and other fee income	4,981	8,526	12,931	17,567
Total revenues	294,061	245,958	577,517	474,151
Operating expenses
Rent	3,012	3,498	6,566	6,802
Real estate taxes	36,700	30,722	72,772	60,072
Operating and maintenance	36,109	28,981	70,011	55,057
General and administrative expenses	29,307	28,773	62,012	65,893
Provision for doubtful accounts	1,107	1,741	3,404	3,193
Impairment charges	15,459	25,636	21,850	25,797
Depreciation and amortization	80,155	62,117	154,724	118,177
Total operating expenses	201,849	181,468	391,339	334,991
Operating income	92,212	64,490	186,178	139,160
Other income/(expense)
Mortgage financing income	916	428	2,052	2,127
Interest, dividends and other investment income	32,102	326	32,319	379
Other income/(expense), net	470	(483)	(515)	(2,912)
Interest expense	(56,130)	(52,469)	(108,708)	(102,711)
Income from continuing operations before income taxes, equity in income of joint ventures, gain on change in control of interests and equity in income from other real estate investments	69,570	12,292	111,326	36,043
Benefit/(provision) for income taxes, net	3,628	(940)	(9,089)	(9,441)
Equity in income of joint ventures, net	$ 22,364	45,025	119,914	98,286
Gain on change in control of interests, net		65,598	139,801	69,343
Equity in income of other real estate investments, net	$ 5,548	7,014	19,917	10,367
Income from continuing operations	$ 101,110	128,989	381,869	204,598
Discontinued operations
Income/(loss) from discontinued operating properties, net of tax		8,016	(15)	24,437
Impairment/loss on operating properties, net of tax		(65,651)	$ (60)	(71,159)
Gain on disposition of operating properties, net of tax		20,207		29,545
Loss from discontinued operations		(37,428)	$ (75)	(17,177)
Gain on sale of operating properties, net of tax	$ 26,499	389	58,554	389
Net income	127,609	91,950	440,348	187,810
Net income attributable to noncontrolling interests	(609)	(2,438)	(3,006)	(11,298)
Net income attributable to the Company	127,000	89,512	437,342	176,512
Preferred dividends	(14,573)	(14,573)	(29,146)	(29,147)
Net income available to the Company's common shareholders	$ 112,427	$ 74,939	$ 408,196	$ 147,365
Income from continuing operations:
- Basic	$ 0.27	$ 0.28	$ 0.99	$ 0.42
-Diluted	0.27	0.27	0.98	0.42
Net income attributable to the Company:
-Basic	0.27	0.18	0.99	0.36
-Diluted	$ 0.27	$ 0.18	$ 0.98	$ 0.36
Weighted average shares:
- Basic	411,317	408,902	411,057	408,636
-Diluted	413,086	413,344	413,148	410,409
Amounts attributable to the Company's common shareholders:
Income from continuing operations	$ 112,427	$ 113,182	$ 408,271	$ 171,971
Loss from discontinued operations		(38,243)	(75)	(24,606)
Net income	$ 112,427	$ 74,939	$ 408,196	$ 147,365