Quarterly report pursuant to Section 13 or 15(d)

Organization and Basis of Presentation (Details Textual)

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Organization and Basis of Presentation (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2013
Region
State
Communities
Dec. 31, 2012
Organization and Basis of Presentation (Textual) [Abstract]    
Entity operations in number of regions 3  
Number of states in regions 6  
Maximum maturity period to classify liquid investments as cash equivalents 3 months  
Money market funds invested in short term government securities $ 10,000,000 $ 300,000
Amounts in transit from title companies for home closings 57,800,000 30,400,000
Number of communities to which homes are sold 165  
Restricted cash 43,265,000 38,938,000
Aggregate capacity of secured letters of credit 60,000,000  
Unrecognized gains or losses other than temporary impairments 0  
Deposits on real estate under option or contract 21,712,000 [1] 14,351,000
Maximum [Member]
   
Organization and Presentation [Line Items]    
Warranty period following home closings 10 years  
Base price per house for sale range 799,000  
Community life cycle range 5 years  
Fair Value Inputs, Discount Rate 16.00%  
Minimum [Member]
   
Organization and Presentation [Line Items]    
Base price per house for sale range $ 117,000  
Community life cycle range 3 years  
Fair Value Inputs, Discount Rate 14.00%  
[1] Amount is reflected in our consolidated balance sheet in the line item “Deposits on real estate under option or contract” as of June 30, 2013.