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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2011
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Reconciliation [Table Text Block]
The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per share computations for each of the years in the three-year period ended December 31, 2011:
 
 
2011
 
2010
 
2009
BASIC AND DILUTED
 
 
 
 
 
 
Loss from continuing operations attributable to common shareholders
 
$
(48,262
)
 
$
(35,793
)
 
$
(165,469
)
Loss from discontinued operations attributable to common shareholders
 
(55,459
)
 
(22,303
)
 
(77,407
)
Net loss attributable to common shareholders
 
$
(103,721
)
 
$
(58,096
)
 
$
(242,876
)
Weighted-average number of common shares outstanding
 
152,473,336

 
130,985,809

 
109,280,955

Loss per common share:
 
 

 
 
 
 

Loss from continuing operations
 
$
(0.32
)
 
$
(0.27
)
 
$
(1.51
)
Loss from discontinued operations
 
(0.36
)
 
(0.17
)
 
(0.71
)
Net loss attributable to common shareholders
 
$
(0.68
)
 
$
(0.44
)
 
$
(2.22
)