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Investment in Unconsolidated Joint Ventures (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Increase (decrease) in Investments in Unconsolidated JVs and other joint agreements $ (5,100)    
Investment in joint venture arrangements 22,877   $ 28,016
Distribution of single-family lots from joint venture arrangements 9,995 $ 14,978  
Investment in joint venture arrangements $ 5,807 $ 5,782  
Maximum [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment, Ownership Percentage 97.00%    
Minimum [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment, Ownership Percentage 25.00%