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Inventory And Land Held For Sale (Major Components Of Inventory) (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Homes under construction $ 1,605,529 $ 1,084,137
Land under development 2,871,263 2,545,049
Raw land 764,140 762,914
House and land inventory $ 5,240,932 $ 4,392,100