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STOCK REPURCHASE PLAN (Details) - shares
Jun. 30, 2016
Dec. 31, 2015
Oct. 22, 2014
Treasury stock, shares 1,779,962 1,893,601  
The Repurchase Plan      
Treasury stock, shares 0    
The Repurchase Plan | Maximum      
Authorized repurchase of Company's common stock     3,000,000