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STOCK-BASED COMPENSATION, Board of Directors Compensation (Details) - Director [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stock-based compensation, aggregate disclosures [Abstract]        
Shares issued (in shares)     14,167 11,250
Restricted Stock [Member]        
Stock-based compensation, aggregate disclosures [Abstract]        
Restricted stock awards and units vesting terms     1 year  
Fair value of shares issued $ 208 $ 202 $ 385 $ 363