| 
           Operating and Reporting Segments (Details 1) (USD $) 
        In Thousands, unless otherwise specified  | 
        3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| 
           Jun. 30, 2014 
         | 
        
           Jun. 30, 2013 
         | 
        
           Jun. 30, 2014 
         | 
        
           Jun. 30, 2013 
         | 
      |
| Segment Reporting Information [Line Items] | ||||
| Land Sales | $ 2,804 | $ 13,910 | $ 5,370 | $ 19,635 | 
| 
           West [Member] 
         | 
        ||||
| Segment Reporting Information [Line Items] | ||||
| Land Sales | 0 | 100 | 1,050 | 5,741 | 
| 
           Central [Member] 
         | 
        ||||
| Segment Reporting Information [Line Items] | ||||
| Land Sales | 581 | 10,340 | 2,097 | 10,424 | 
| 
           East [Member] 
         | 
        ||||
| Segment Reporting Information [Line Items] | ||||
| Land Sales | $ 2,223 | $ 3,470 | $ 2,223 | $ 3,470 |