Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Components Of Earnings Per Common Share - Basic And Diluted

	Three Months Ended March 31,
	2012			2011
Numerator:
Continuing Operations:
Income from continuing operations	$	16,373		$	11,113
Gain on sale of property		440			1,060
Net income attributable to noncontrolling interests		(1,441	)		(1,092	)
Preferred share dividends		(8,869	)		(8,869	)
Income from continuing operations attributable to common shareholders – basic and diluted	$	6,503		$	2,212
Discontinued Operations:
Income from discontinued operations attributable to common shareholders – basic and diluted	$	5,825		$	5,015
Denominator:
Weighted average shares outstanding – basic		120,481			120,142
Effect of dilutive securities:
Share options and awards		960			959
Weighted average shares outstanding – diluted		121,441			121,101

Anti-Dilutive Securities Of Common Shares

	Three Months Ended March 31,
	2012		2011
Share options (1)		3,147		2,873
Operating partnership units		1,584		1,644
Total anti-dilutive securities		4,731		4,517

(1) Exclusion results as exercise prices were greater than the average market price for each respective period.