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Note 10 - Investments in Unconsolidated Land Development and Homebuilding Joint Ventures (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Asset Impairment Charges $ 0 $ 0  
Stockholders' Equity Attributable to Noncontrolling Interest $ 10,664