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Segment Information (Equity in (earnings) loss of unconsolidated entities) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities $ (3,296) $ (2,911) $ 49,652
Northeast [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities 15 (209) 28,011
Southeast [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities 0 0 0
Florida [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities 0 (1,326) 68
Texas [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities 0 0 0
North [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities (121) (1,580) 1,528
Southwest [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities (2,561) 197 16,635
Other Homebuilding [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities (527) 75 3,426
Homebuilding [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities (3,194) (2,843) 49,668
Financial Services [Member]
      
Equity in (earnings) loss of unconsolidated entities:      
Equity in (earnings) loss of unconsolidated entities $ (102) $ (68) $ (16)