| 
           Operating and Reporting Segments (Details Textual) (USD $) 
         | 
        3 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2013 
         | 
        
           Mar. 31, 2012 
         | 
      |
| Operating and Reporting Segments (Textual) [Abstract] | ||
| Land Sales Revenue | $ 5,725,000 | $ 328,000 | 
| 
           West [Member] 
         | 
        ||
| Operating and Reporting Segments (Textual) [Abstract] | ||
| Land Sales Revenue | 5,641,000 | |
| 
           Central [Member] 
         | 
        ||
| Operating and Reporting Segments (Textual) [Abstract] | ||
| Land Sales Revenue | $ 84,000 | $ 328,000 | 
| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          Revenue from the sale of land in the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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