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SETTLEMENT CHARGES settlement charges (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Statement item [Abstract]        
Settlement charge $ 0 $ 0 $ 0 $ 21,600