Condensed Consolidated Statements Of Income And Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Property revenues
Rental revenues	$ 178,964		$ 164,393
Other property revenues	26,965		25,418
Total property revenues	205,929		189,811
Property expenses
Property operating and maintenance	50,747		48,263
Real estate taxes	23,577		21,183
Total property expenses	74,324		69,446
Non-property income
Fee and asset management	3,023		2,894
Interest and other income	288		52
Income on deferred compensation plans	681		2,999
Total non-property income	3,992		5,945
Other expenses
Property management	5,839		5,983
Fee and asset management	1,259		1,477
General and administrative	9,545		9,794
Interest	23,133		24,895
Depreciation and amortization	57,396		51,603
Amortization of deferred financing costs	841		916
Expense on deferred compensation plans	681		2,999
Total other expenses	98,694		97,667
Gain on sale of land	354		698
Equity in income of joint ventures	4,290	[1]	934	[1]
Income from continuing operations before income taxes	41,547		30,275
Income tax expense	(474)		(399)
Income from continuing operations	41,073		29,876
Income from discontinued operations	0		2,774
Gain on sale of discontinued operations, net of tax	0		31,783
Net income	41,073		64,433
Less income allocated to non-controlling interests from continuing operations	(1,037)		(864)
Less income, including gain on sale, allocated to non-controlling interests from discontinued operations	0		(93)
Net income attributable to common shareholders	40,036		63,476
Earnings per share – basic
Income from continuing operations attributable to common shareholders	$ 0.45		$ 0.33
Income from discontinued operations, including gain on sale, attributable to common shareholders	$ 0.00		$ 0.39
Net income attributable to common shareholders, as adjusted – per share	$ 0.45		$ 0.72
Earnings per share – diluted
Income from continuing operations attributable to common shareholders	$ 0.45		$ 0.33
Income from discontinued operations, including gain on sale, attributable to common shareholders	$ 0.00		$ 0.39
Net income attributable to common shareholders, as adjusted – per share	$ 0.45		$ 0.72
Distributions declared per common share	$ 0.66		$ 0.63
Weighted average number of common shares outstanding – basic	87,651		86,703
Weighted average number of common shares outstanding – diluted	88,824		87,276
Net income attributable to common shareholders
Income from continuing operations	41,073		29,876
Less income allocated to non-controlling interests from continuing operations	(1,037)		(864)
Income from continuing operations attributable to common shareholders	40,036		29,012
Income from discontinued operations, including gain on sale	0		34,557
Less income, including gain on sale, allocated to non-controlling interests from discontinued operations	0		(93)
Income from discontinued operations, including gain on sale, attributable to common shareholders	0		34,464
Net income attributable to common shareholders	40,036		63,476
Condensed Consolidated Statements of Comprehensive Income:
Net income	41,073		64,433
Other comprehensive income
Reclassification of prior service cost and net loss on post retirement obligations	15		14
Comprehensive income	41,088		64,447
Less income allocated to non-controlling interests from continuing operations	(1,037)		(864)
Less income, including gain on sale, allocated to non-controlling interests from discontinued operations	0		(93)
Comprehensive income attributable to common shareholders	$ 40,051		$ 63,490

[1] Equity in income excludes our ownership interest of fee income from various property management services provided by us to the funds.