CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands	Total	Preferred Shares	Common Shares	Paid-in Capital	Accumulated Distributions in Excess of Net Income	Deferred Compensation Obligation	Accumulated Other Comprehensive Loss	Treasury Stock at Cost	Non-Controlling Interests
Balance at Dec. 31, 2013	$ 3,927,879	$ 405,000	$ 35,938	$ 5,417,363	$ (1,915,638)	$ 16,702	$ (36,493)	$ (18,211)	$ 23,218
Issuance of common shares related to stock plans	539		5	375				159
Issuance of restricted stock	5		4	(3,923)		156		3,768
Vesting of restricted stock	659			3,800		(194)		(2,947)
Stock-based compensation	822			822
Contributions from non-controlling interests	93								93
Distributions to non-controlling interests	(4,460)								(4,460)
Dividends declared-common shares	(55,704)				(55,704)
Dividends declared-preferred shares	(6,608)				(6,608)
Comprehensive (loss) income	(13,284)				(16,640)		5,457		(2,101)
Balance at Mar. 31, 2014	$ 3,849,941	$ 405,000	$ 35,947	$ 5,418,437	$ (1,994,590)	$ 16,664	$ (31,036)	$ (17,231)	$ 16,750