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Goodwill (Tables)
6 Months Ended
Jun. 30, 2011
Goodwill [Abstract]  
Schedule of Goodwill
    Regulated            
    Segment     Other   Consolidated  
 
Balance at December 31, 2010 $ 36,113   $ 4,121 $ 40,234  
Goodwill acquired   867     -   867  
Reclassifications to utility plant                
acquisition adjustment   (323 )   -   (323 )
Balance at June 30, 2011 $ 36,657   $ 4,121 $ 40,778