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Discontinued Operations (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Discontinued operations        
Income (loss) from discontinued operations, net of taxes $ 91 $ 238 $ 167 $ (1,626)