XML 45 R29.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Noncontrolling Interests (Tables)
6 Months Ended
Jun. 30, 2011
Noncontrolling Interests [Abstract]  
Summary of redeemable noncontrolling interests
                 
    Income     Redeemable  
    Statement     Noncontrolling  
    Impact     Interests  
Balance as of December 31, 2009
          $ 4,369  
 
               
Noncontrolling interest
  $ 382          
Redemption value change
          382  
 
             
Formation of noncontrolling interests
            450  
Distribution to noncontrolling interests
            (286 )
 
             
Balance as of June 30, 2010
          $ 4,915  
 
             
 
               
Balance as of December 31, 2010
          $ 5,799  
 
               
Noncontrolling interest
  $ 428          
Redemption value change
    402       830  
 
             
Distribution to noncontrolling interests
            (372 )
 
             
Balance as of June 30, 2011
          $ 6,257