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EARNINGS PER SHARE - (Narrative) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Employees Directors and Consultants Stock Options        
Antidilutive securities excluded from computation of diluted earnings per share        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 308,500 363,000 315,000 402,500
Restricted Stock [Member]        
Antidilutive securities excluded from computation of diluted earnings per share        
Antidilutive securities excluded from computation of diluted earnings per share (in shares) 167,005 153,781 167,005 153,781