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Inventory (Major Components Of Inventory) (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Homes under construction $ 1,821,322 $ 1,408,260
Land under development 3,568,201 3,259,066
Raw land 812,956 782,732
House and land inventory $ 6,202,479 $ 5,450,058