Earnings Per Share and Dilution Computations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	$ (4,667)	$ (1,672)	$ (7,603)	$ (2,496)
Earnings Per Share, Basic	$ (0.09)	$ (0.03)	$ (0.15)	$ (0.05)
Earnings Per Share, Diluted	$ (0.09)	$ (0.03)	$ (0.15)	$ (0.05)
Common shares [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	(4,522)	(1,625)	(7,328)	(2,432)
Distributed Earnings	5,712	5,682	11,419	10,891
Undistributed Earnings, Basic	(10,234)	(7,307)	(18,747)	(13,323)
Unvested restricted shares [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	(145)	(47)	(275)	(64)
Distributed Earnings	191	172	329	330
Undistributed Earnings, Basic	(336)	(219)	(604)	(394)
Total Distributed Earnings and Undistributed Loss, Net [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	(4,667)	(1,672)	(7,603)	(2,496)
Distributed Earnings	5,903	5,854	11,748	11,221
Undistributed Earnings, Basic	$ (10,570)	$ (7,526)	$ (19,351)	$ (13,717)