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Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
item
Discontinued Operations      
Number of championship golf courses ceased operating     2
Income (loss) from Discontinued Operations $ (8) $ (17)  
Retail
     
Discontinued Operations      
Income (loss) from Discontinued Operations (1) (29)  
Agriculture
     
Discontinued Operations      
Income (loss) from Discontinued Operations $ (7) $ 12