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STOCK BASED COMPENSATION (Summary of Options Outstanding) (Details) - $ / shares
shares in Thousands
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Number of Options Outstanding   1,350
Weighted Average Remaining Contractual Life 2 years 9 months 18 days  
Number of Exercisable Options   1,193
$6.00 - $6.99    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price, Lower Limit $ 6.00  
Exercise Price, Upper Limit $ 6.99  
Weighted Average Remaining Contractual Life  
$7.00 - $7.99    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price, Lower Limit $ 7.00  
Exercise Price, Upper Limit $ 7.99  
Number of Options Outstanding   419
Weighted Average Remaining Contractual Life 3 years 6 months  
Number of Exercisable Options   311
$8.00 - $8.99    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price, Lower Limit $ 8.00  
Exercise Price, Upper Limit $ 8.99  
Number of Options Outstanding   215
Weighted Average Remaining Contractual Life 2 years 3 months 18 days  
Number of Exercisable Options   202
$9.00 - $9.99    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price, Lower Limit $ 9.00  
Exercise Price, Upper Limit $ 9.99  
Number of Options Outstanding   480
Weighted Average Remaining Contractual Life 3 years 1 month 6 days  
Number of Exercisable Options   451
$10.00 - $14.50    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price, Lower Limit $ 10.00  
Exercise Price, Upper Limit $ 14.50  
Number of Options Outstanding   237
Weighted Average Remaining Contractual Life 2 years 1 month 6 days  
Number of Exercisable Options   228