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Inventory And Land Held For Sale (Information Related To Interest Capitalized Into Homebuilding Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Inventory Disclosure [Abstract]      
Interest in inventory, beginning of period $ 355,068 $ 323,379 $ 239,365
Interest capitalized 201,103 221,071 264,932
Interest expensed (224,291) [1] (189,382) [1] (180,918) [1]
Interest in inventory, end of period 331,880 355,068 323,379
Interest incurred $ 201,103 [2] $ 221,071 [2] $ 266,474 [2]
[1] Interest expensed to Homebuilding cost of revenues for 2012, 2011, and 2010 included $6.5 million, $5.4 million, and $27.6 million, respectively, of capitalized interest related to inventory impairments.
[2] Homebuilding interest incurred includes interest on senior debt and certain other financing arrangements.