CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock	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, 2013	$ 1,171,219	$ 0	$ 1,143	$ 1,938,886	$ (669,896)	$ (3,265)	$ (140,018)	$ 44,369
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemption of Preferred Stock	(75,049)			(73,587)	(1,462)
Stock Based Compensation Activity	237		4	2,169	(1,936)
Conversion of Units to Common Stock	0		1	1,332				(1,333)
Reallocation—Additional Paid in Capital	0			91				(91)
Common Stock and Unit Distributions	(23,636)				(22,721)			(915)
Preferred Dividends	(1,019)				(1,019)
Net Income	9,271				9,002			269
Reallocation—Other Comprehensive Income	0					(7)		7
Other Comprehensive Loss	(3,406)					(3,272)		(134)
Balance at Jun. 30, 2014	$ 1,077,617	$ 0	$ 1,148	$ 1,868,891	$ (688,032)	$ (6,544)	$ (140,018)	$ 42,172