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Inventory And Land Held For Sale Inventory And Land Held For Sale (Fair Value Unobservable Inputs) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Minimum [Member]
 
Fair value inputs, assets, quantitative information [Line Items]  
Average selling price ($000s) $ 198
Sales pace per quarter (units) 4
Discount rate 12.00%
Maximum [Member]
 
Fair value inputs, assets, quantitative information [Line Items]  
Average selling price ($000s) $ 420
Sales pace per quarter (units) 7
Discount rate 16.00%