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Capitalized Interest Capitalized Interest (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Capitalized Interest [Abstract]        
Capitalized interest, beginning of period $ 14,831 $ 14,260 $ 13,802 $ 15,376
Interest capitalized to inventory 5,161 3,940 13,141 10,045
Capitalized interest charged to land and housing costs and expenses (4,281) (4,074) (11,232) (11,295)
Capitalized interest, end of period 15,711 14,126 15,711 14,126
Interest incurred $ 7,810 $ 7,389 $ 22,690 $ 22,231