| 
           Real Estate and Capitalized Interest (Details 2) (USD $) 
         | 
        3 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2013 
         | 
        
           Mar. 31, 2012 
         | 
      |
| Number of communities with real estate inventory impairments & fair value of these communities | ||
| Impairment Charges | $ 46,000 | $ 293,000 | 
| X | ||||||||||
| 
             
- Definition 
          Impairment charges related to communities. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
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