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SHARE-BASED COMPENSATION Restricted Stock Awards Narrative (Details)
1 Months Ended 12 Months Ended
Aug. 31, 2011
May 31, 2011
Dec. 31, 2012
Dec. 31, 2011
employee
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Stock awards, vesting period     3 years  
Restricted Stock
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Restricted common stock issued     259,200 37,800
Restricted shares issued to new hires 4,000 84,000 55,500 27,000
Stock awards, vesting period     3 years  
Number of employes issued shares       3
June 15, 2013 | Restricted Stock
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Share based compensation, vesting percentage     25.00%  
December 15, 2013 | Restricted Stock
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Share based compensation, vesting percentage     25.00%  
June 15, 2014 | Restricted Stock
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Share based compensation, vesting percentage     25.00%  
December 15, 2014 | Restricted Stock
       
Compensation Related Costs Share Based Payments Disclosure [Line Items]        
Share based compensation, vesting percentage     25.00%