Earnings Per Share and Dilution Computations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	$ (11,249)	$ (4,314)	$ (18,851)	$ (6,810)
Earnings Per Share, Basic	$ (0.23)	$ (0.09)	$ (0.38)	$ (0.14)
Earnings Per Share, Diluted	$ (0.23)	$ (0.09)	$ (0.38)	$ (0.14)
Common shares [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	(10,902)	(4,198)	(18,230)	(6,629)
Distributed Earnings	5,727	5,687	17,146	16,578
Undistributed Earnings, Basic	(16,629)	(9,885)	(35,376)	(23,207)
Unvested restricted shares [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent	(347)	(116)	(621)	(181)
Distributed Earnings	172	170	501	500
Undistributed Earnings, Basic	(518)	(286)	(1,122)	(681)
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	(11,249)	(4,314)	(18,851)	(6,810)
Distributed Earnings	5,899	5,857	17,647	17,078
Undistributed Earnings, Basic	$ (17,147)	$ (10,171)	$ (36,498)	$ (23,888)