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Note 1 - Interim Financial Statements (Tables)
3 Months Ended
Mar. 31, 2013
Earnings Per Share [Text Block]
   
Three Months Ended
March 31,
 
   
2013
   
2012
 
Computation of Basic Earnings Per Share:
           
             
Income from continuing operations
  $ 67,388     $ 54,596  
Gain on sale of operating properties, net of tax
    540       -  
Net income attributable to noncontrolling interests
    (2,738 )     (5,510 )
Discontinued operations attributable to noncontrolling interests
    (12 )     2,242  
Preferred stock dividends
    (14,573 )     (15,574 )
Income from continuing operations available to the common shareholders
    50,605       35,754  
Earnings attributable to unvested restricted shares
    (390 )     (338 )
Income from continuing operations attributable to common shareholders
    50,215       35,416  
Income from discontinued operations attributable to the Company
    2,592       2,310  
Net income attributable to the Company’s common shareholders for basic earnings per share
  $ 52,807     $ 37,726  
                 
Weighted average common shares outstanding
    406,662       406,272  
                 
Basic Earnings Per Share Attributable to the Company’s Common Shareholders:
               
Income from continuing operations
  $ 0.12     $ 0.09  
Income from discontinued operations
    0.01       -  
Net income
  $ 0.13     $ 0.09  
                 
Computation of Diluted Earnings Per Share:
               
Income from continuing operations attributable to common shareholders
  $ 50,215     $ 35,416  
Income from discontinued operations attributable to the Company
    2,592       2,310  
Net income attributable to the Company’s common shareholders for diluted earnings per share
  $ 52,807     $ 37,726  
                 
Weighted average common shares outstanding – basic
    406,662       406,272  
Effect of dilutive securities (a):
               
Equity awards
    1,004       1,007  
Shares for diluted earnings per common share
    407,666       407,279  
                 
Diluted Earnings Per Share Attributable to the Company’s Common Shareholders:
               
Income from continuing operations
  $ 0.12     $ 0.09  
Income from discontinued operations
    0.01       -  
Net income
  $ 0.13     $ 0.09