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Inventory And Land Held For Sale (Major Components Of Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Homes under construction $ 1,150,459 $ 1,116,184
Land under development 2,299,029 2,435,378
Raw Land 663,309 662,484
House and land inventory $ 4,112,797 $ 4,214,046