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STOCK REPURCHASE PROGRAM (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Stock Repurchase Program, Stock Repurchased and Retired, Shares 285,422 175,606 101,192
Stock Repurchase Program, Stock Repurchased and Retired, Value $ 6.6 $ 4.0 $ 2.3
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 824,000    
Private Placement [Member]
     
Stock Repurchase Program, Stock Repurchased and Retired, Shares   400,319  
Stock Repurchase Program, Stock Repurchased and Retired, Value   $ 9.0