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           Real Estate and Capitalized Interest (Details 1) (USD $) 
        In Thousands, unless otherwise specified  | 
        
           Mar. 31, 2013 
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           Dec. 31, 2012 
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|---|---|---|
| Impairment of Real Estate [Line Items] | ||
| Land Available-for-sale | $ 22,430 | $ 21,650 | 
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- Details 
          
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- Definition 
          Carrying value of land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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