v3.7.0.1
COMPENSATION PLANS (Narrative) (Details)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
shares
Mar. 31, 2016
USD ($)
Dec. 31, 2016
Installments
$ / shares
shares
Equity Incentive Compensation Plan [Abstract]      
Shares available for issuance 460,640    
Restricted Stock      
Equity Incentive Compensation Plan [Abstract]      
Awards outstanding (shares) 3,254,164   3,531,418
Restricted Stock [Abstract]      
Shares granted (in shares) 0    
Compensation expense | $ $ 0.7 $ 0.7  
Unrecognized compensation expense | $ $ 3.2    
Restricted Stock | Minimum      
Restricted Stock [Abstract]      
Period over which grants vest (in years) 1 year    
Restricted Stock | Maximum      
Restricted Stock [Abstract]      
Period over which grants vest (in years) 4 years    
Performance Units      
Equity Incentive Compensation Plan [Abstract]      
Awards outstanding (shares) 126,050    
Stock Options      
Equity Incentive Compensation Plan [Abstract]      
Awards outstanding, options 1,846,645   1,883,706
Non Qualified Stock Options [Abstract]      
Awards granted, stock options (in shares) 0    
2016 | Restricted Stock      
Restricted Stock [Abstract]      
Period over which grants vest (in years) 4 years    
2014 And 2015 | Restricted Stock      
Restricted Stock [Abstract]      
Period over which grants vest (in years) 3 years    
Director | Restricted Stock      
Restricted Stock [Abstract]      
Shares granted (in shares)     562,010
Executive Officer | Restricted Stock      
Equity Incentive Compensation Plan [Abstract]      
Stock price, vesting | $ / shares     $ 2.06
Number of vesting installment | Installments     4
Executive Officer | Stock Options      
Equity Incentive Compensation Plan [Abstract]      
Stock price, vesting | $ / shares     $ 2.06
Number of vesting installment | Installments     4
Non Qualified Stock Options [Abstract]      
Awards granted, stock options (in shares)     600,000