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Inventory And Land Held for Sale (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Inventory Disclosure [Abstract]      
Homebuilding interest directly expensed due to active inventory exceeding debt levels     $ 1,500,000
Capitalized interest related to inventory impairments expensed to cost of revenues 6,500,000 5,400,000 27,600,000
Number of Communities Assessed for Impairment 35    
Net realizable value adjustments - land held for sale 1,480,000 9,844,000 39,128,000
Write-off of deposits and pre-acquisition costs $ 2,278,000 $ 10,002,000 $ 5,594,000