| 
           Real Estate and Capitalized Interest (Details Textual) (USD $) 
         | 
        3 Months Ended | 3 Months Ended | 3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 
           Mar. 31, 2013
 
          Communities 
         | 
        
           Mar. 31, 2012 
         | 
        
           Dec. 31, 2012 
         | 
        
           Mar. 31, 2013
 
          Parcel B [Member] 
         | 
        
           Mar. 31, 2013
 
          Parcel A [Member] 
         | 
        
           Jun. 30, 2012
 
          Under Contract [Member] 
         | 
        
           Mar. 31, 2013
 
          Central [Member]
 
          Mothballed [Member]
 
          Communities 
         | 
        
           Mar. 31, 2013
 
          West [Member]
 
          Mothballed [Member] 
         | 
        
           Mar. 31, 2013
 
          Las Vegas Wind-down [Member]
 
          Lot
 
          Communities 
         | 
      |
| Real Estate and Capitalized Interest [Line Items] | |||||||||
| Carrying value of the community | $ 3,300,000 | $ 34,300,000 | |||||||
| Number of mothball communities | 2 | 7 | |||||||
| Number of remaining actively selling communities | 168 | 0 | |||||||
| Number of lots remaining to sell | 22 | ||||||||
| Value of remaining lots and associated home inventory | 4,100,000 | ||||||||
| Value of remaining assets related to properties not being developed | 12,600,000 | ||||||||
| Impairment Charges | 46,000 | 293,000 | |||||||
| Land Available-for-sale | 22,430,000 | 21,650,000 | 6,500,000 | ||||||
| Real Estate and Capitalized Interest (Textual) [Abstract] | |||||||||
| Capitalized interest related to joint venture investments | 537,000 | 539,000 | |||||||
| Parcel of land under contract cash collected | $ 3,200,000 | $ 2,400,000 | |||||||