Quarterly report pursuant to Section 13 or 15(d)

Organization and Basis of Presentation (Details Textual)

v2.4.0.6
Organization and Basis of Presentation (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2012
Region
State
Cummunities
Dec. 31, 2011
Organization and Basis of Presentation (Textual) [Abstract]    
Entity operations in number of regions 3  
Number of states in regions 7  
Number of communities to which homes are sold 151  
Maximum maturity period to classify liquid investments as cash equivalents 3 months  
Money market funds invested in short term government securities $ 760,000  
Amounts in transit from title companies for home closings 46,800,000 13,100,000
Restricted cash 19,108,000 12,146,000
Aggregate capacity of secured letters of credit 40,000,000  
Unrecognized gains or losses other than temporary impairments 0  
Deposits on real estate under option or contract 14,759,000 15,208,000
Warranty period following home closings up to ten years  
Maximum [Member]
   
Organization and Presentation [Line Items]    
Base price per house for sale range 708,000  
Investment maturity period 18 months  
Community life cycle range 5 years  
Discount rate used in impairment analysis 16.00%  
Minimum [Member]
   
Organization and Presentation [Line Items]    
Base price per house for sale range $ 105,000  
Investment maturity period 3 months  
Community life cycle range 3 years  
Discount rate used in impairment analysis 14.00%  
Equity Method Land Ventures [Member]
   
Organization and Presentation [Line Items]    
Number of active joint ventures 2  
Mortgage And Title Business Joint Ventures [Member]
   
Organization and Presentation [Line Items]    
Number of active joint ventures 6