CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Distributions in Excess of Accumulated Earnings	Accumulated Other Comprehensive Loss	Treasury Shares At Cost	Noncontrolling Interest
Balance at Dec. 31, 2014	$ 1,090,827	$ 1,149	$ 1,872,336	$ (670,650)	$ (13,867)	$ (140,018)	$ 41,877
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Based Compensation Activity	1,967	2	2,416	(451)
Conversion of Units to Common Stock	0	0	100				(100)
Reallocation - Additional Paid-in-Capital	0		(13)				13
Common Stock and Unit Distributions	(29,481)			(28,368)			(1,113)
Net Income	17,034			16,385			649
Other Comprehensive Income	6,479				6,231		248
Balance at Jun. 30, 2015	$ 1,086,826	$ 1,151	$ 1,874,839	$ (683,084)	$ (7,636)	$ (140,018)	$ 41,574