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EARNINGS PER SHARE (Detail Textuals) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Earnings Per Share [Line Items]    
Reduction in basic EPS of restricted shares of common stock $ 0.16 $ 0.37
Restricted Shares
   
Earnings Per Share [Line Items]    
Reduction in basic EPS of restricted shares of common stock $ 0.01 $ 0.01