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Note 13 - Earnings Per Common Share (Tables)
12 Months Ended
Dec. 31, 2011
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Years Ended December 31,
 
   
2011
   
2010
   
2009
 
Net income (loss)
  $ 36,563     $ (9,684 )   $ (25,750 )
Preferred dividends
    (8,658 )     (9,650 )     (9,650 )
Accretion on preferred stock (1) 
    (2,118 )     (649 )     (615 )
Net (income) loss applicable to non-vested restricted shares
    (350 )     266       464  
Net income (loss) applicable to common shares
  $ 25,437     $ (19,717 )   $ (35,551 )
Weighted-average common shares outstanding:
                       
Weighted-average common shares outstanding (basic)
    73,289       72,422       50,034  
Dilutive effect of Common Stock equivalents
    -       -       -  
Weighted-average diluted common shares outstanding
    73,289       72,422       50,034  
Basic earnings (loss) per common share
  $ 0.35     $ (0.27 )   $ (0.71 )
Diluted earnings (loss) per common share
  $ 0.35     $ (0.27 )   $ (0.71 )
Anti-dilutive shares not included in the computation of diluted earnings per common share (2) 
    3,511       3,823       3,993