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Estimated Development Liability for Sold Land (Tables)
 6 Months Ended
Jun. 30, 2012
Estimated Development Liability for Sold Land [Abstract]  
Estimated development liability for sold land
   
June 30,
2012
   
December 31,
2011
 
Gross estimated unexpended costs
 
$
36,985
   
$
37,106
 
Less costs relating to unsold homesites
   
(3,062)
     
(3,062
)
                 
Estimated development liability for sold land
 
$
33,923
   
$
34,044