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EARNINGS PER SHARE (Details 2)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Stock options
   
Antidilutive securities excluded from computation of diluted earnings per share    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 890,040 731,437
Restricted stock
   
Antidilutive securities excluded from computation of diluted earnings per share    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 57,933 42,553
Sponsor and management warrants
   
Antidilutive securities excluded from computation of diluted earnings per share    
Antidilutive securities excluded from computation of diluted earnings per share (in shares)   10,682,687
Sponsors Warrants
   
Antidilutive securities excluded from computation of diluted earnings per share    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 1,916,667  
Management Warrants
   
Antidilutive securities excluded from computation of diluted earnings per share    
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 2,862,687