Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Consolidated Statements Of Comprehensive Loss [Abstract]
Net Loss	$ (6,513)	$ (7,676)
Other Comprehensive Loss
Change in Fair Value of Derivative Instruments	256	452
Less: Reclassification Adjustment for Change in Fair Value of Derivative Instruments Included in Net Income	(356)	(296)
Comprehensive Loss	(6,613)	(7,520)
Less: Comprehensive Loss Attributable to Noncontrolling Interests	507	673
Less: Preferred Distributions	(3,589)	(3,844)
Less: Extinguishment of Issuance Costs Upon Redemption of Series A Preferred Shares		(2,250)
Comprehensive Loss Attributable to Common Shareholders	$ (9,695)	$ (12,941)