Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
BASIC
Income (loss) from continuing operations attributable to common shareholders	$ (1,024)	$ 243
Net income (loss) from discontinued operations	(1,163)	(23,881)
Net loss attributable to common shareholders	(2,187)	(23,638)
Weighted-average common shares outstanding – basic	154,149,034	146,175,508
Income (loss) from continuing operations	$ 0.00	$ 0.00
Loss from discontinued operations	$ (0.01)	$ (0.16)
Net loss attributable to common shareholders	$ (0.01)	$ (0.16)
DILUTED
Income (loss) from continuing operations attributable to common shareholders	(1,024)	243
Deduct change in value of forward equity commitment	0	(5,993)
Loss from continuing operations attributable to common shareholders	(1,024)	(5,750)
Loss from discontinued operations attributable to common shareholders	(1,163)	(23,881)
Net loss attributable to common shareholders	(2,187)	(29,631)
Weighted-average common shares outstanding – basic	154,149,034	146,175,508
Forward equity commitment settlement	0	(3,544,219)
Weighted-average number of common shares outstanding – diluted	154,149,034	142,631,289
Loss from continuing operations	$ 0.00	$ (0.04)
Loss from discontinued operations	$ (0.01)	$ (0.17)
Net loss attributable to common shareholders	$ (0.01)	$ (0.21)
Series C Preferred Stock [Member] | Convertible Preferred Stock [Member]
DILUTED
Discount to Historical Basis, Repurchased and Retired Shares	34,800	15,296
Series C Cumulative Convertible Preferred Shares Repurchased and Retired	$ 229	$ 86