CONSOLIDATED STATEMENT OF EQUITY - 9 months ended Sep. 30, 2015 - 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, 2014	$ 3,797,528	$ 350,000	$ 36,071	$ 5,438,778	$ (2,047,212)	$ 16,609	$ (7,352)	$ (16,646)	$ 27,280
Issuance of common shares related to stock plans	7,191	0	42	7,018	0	0	0	131	0
Issuance of restricted stock	953	0	0	(2,605)	0	761	0	2,797	0
Vesting of restricted stock	(371)	0	6	3,798	0	(1,854)	0	(2,321)	0
Stock-based compensation	2,308	0	0	2,308	0	0	0	0	0
Redemption of OP Units	(36)	0	104	18,116	0	0	0	0	(18,256)
Distributions to non-controlling interests	(1,430)	0	0	0	0	0	0	0	(1,430)
Dividends declared-common shares	(187,028)	0	0	0	(187,028)	0	0	0	0
Dividends declared-preferred shares	(16,781)	0	0	0	(16,781)	0	0	0	0
Comprehensive (loss) income	(163,998)	0	0	0	(165,634)	0	690	0	946
Balance at Sep. 30, 2015	$ 3,438,336	$ 350,000	$ 36,223	$ 5,467,413	$ (2,416,655)	$ 15,516	$ (6,662)	$ (16,039)	$ 8,540