| 
           Operating and Reporting Segments (Details 1) (USD $) 
        In Thousands, unless otherwise specified  | 
        3 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2014 
         | 
        
           Mar. 31, 2013 
         | 
      |
| Segment Reporting Information [Line Items] | ||
| Land Sales | $ 2,566 | $ 5,725 | 
| 
           West [Member] 
         | 
        ||
| Segment Reporting Information [Line Items] | ||
| Land Sales | 1,050 | 5,641 | 
| 
           Central [Member] 
         | 
        ||
| Segment Reporting Information [Line Items] | ||
| Land Sales | 1,516 | 84 | 
| 
           East [Member] 
         | 
        ||
| Segment Reporting Information [Line Items] | ||
| Land Sales | $ 0 | $ 0 | 
| X | ||||||||||
| 
             
- Definition 
          Revenue from the sale of land in the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  |