Consolidated Statements Of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements Of Comprehensive (Loss) Income [Abstract]
Net income	$ 2,299	$ 5,894	$ 12,709	$ 15,369
Other Comprehensive Income
Change in Fair Value of Derivative Instruments	(669)	(628)	2,302	(226)
Less: Reclassification Adjustment for Change in Fair Value of Derivative Instruments Included in Net Income	(331)	(294)	(938)	(870)
Comprehensive Income	1,299	4,972	14,073	14,273
Less: Comprehensive Loss Attributable to Noncontrolling Interests	164	279	628	223
Less: Preferred Distributions	(3,589)	(3,500)	(11,022)	(10,500)
Less: Extinguishment of Issuance Costs Upon Redemption of Series A Preferred Shares			(2,250)
Comprehensive (Loss) Income Attributable to Common Shareholders	$ (2,126)	$ 1,751	$ 1,429	$ 3,996