v3.6.0.2
STOCK-BASED COMPENSATION - Stock Repurchase program (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 29, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Amount authorized under stock repurchase program   $ 10,000,000.0
Stock Repurchase Program Expiration Date Jun. 30, 2017  
Stock Repurchased During Period, Shares 364,627  
Stock Repurchased During Period, Value $ 2,100,000  
Treasury Stock Acquired, Average Cost Per Share $ 5.87