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 $)
 3 Months Ended
Mar. 31, 2014
State
Communities
Region
Dec. 31, 2013
Organization and Basis of Presentation (Textual) [Abstract]    
Entity operations in number of regions 3  
Number of states in regions 8  
Maximum maturity period to classify liquid investments as cash equivalents 3 months  
Money market funds invested in short term government securities $ 11,300,000 $ 68,300,000
Amounts in transit from title companies for home closings 32,100,000 26,400,000
Number of communities to which homes are sold 189  
Unrecognized gains or losses other than temporary impairments 0  
Deposits on real estate under option or contract 54,666,000 [1],[2] 51,595,000
Maximum [Member]
    
Organization and Presentation [Line Items]    
Investment Maturity Period 18 months  
Warranty period following home closings 10 years  
Base price per house for sale range 1,000,000  
Community life cycle range 5 years  
Minimum [Member]
    
Organization and Presentation [Line Items]    
Investment Maturity Period 3 months  
Base price per house for sale range $ 130,000  
Community life cycle range 3 years  
[1] (3)Except for our specific performance option contracts recorded on our balance sheet as Real estate not owned, none of our option agreements require us to purchase lots.
[2] Amount is reflected in our consolidated balance sheet in the line item "Deposits on real estate under option or contract" as of March 31, 2014.