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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Stock Options, Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]        
Weighted average exercise price, beginning of period (in dollars per share) $ 2.91 $ 3.43 $ 3.84  
Grants in period, weighted average exercise price (in dollars per share) 3.99 1.77 2.92  
Exercises in period, weighted average exercise price (in dollars per share) 2.95 1.97 2.27  
Forfeitures in period, weighted average exercise price (in dollars per share) 3.16 3.26 3.94  
Expirations in period, weighted average exercise price (in dollars per share) 8.14 4.40 6.97  
Weighted average exercise price, end of period (in dollars per share) 2.79 $ 2.91 $ 3.43  
Exercisable options, weighted average exercise price (in dollars per share) $ 2.83      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Number of options (in shares) 942,882 1,609,087 1,487,433 1,732,754
Number of exercisable options (in shares) 729,565      
Number of exercises in period (in shares) (775,814) (302,707) (54,805)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (8,048) (188,541) (342,866)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (51,653) (98,512) (144,100)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 169,310 711,414 296,450  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Options outstanding, weighted average remaining contractual life 2 years 6 months      
Exercisable options, weighted average remaining contractual term 2 years 2 months 19 days      
Options outstanding, intrinsic value $ 4,565      
Exercisable options, intrinsic value $ 3,504      
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]        
Weighted average exercise price, beginning of period (in dollars per share) $ 1.70 $ 1.70 $ 1.70  
Grants in period, weighted average exercise price (in dollars per share) 3.89 1.76    
Exercises in period, weighted average exercise price (in dollars per share) 1.70 1.70 1.70  
Forfeitures in period, weighted average exercise price (in dollars per share) 1.76 1.70 1.70  
Expirations in period, weighted average exercise price (in dollars per share) 1.70 4.12    
Weighted average exercise price, end of period (in dollars per share) 1.70 1.70 1.70  
Exercisable options, weighted average exercise price (in dollars per share) 1.70      
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]        
Weighted average exercise price, beginning of period (in dollars per share) 15.61 15.61 15.61  
Grants in period, weighted average exercise price (in dollars per share) 8.41 3.06    
Exercises in period, weighted average exercise price (in dollars per share) 7.42 2.92 2.92  
Forfeitures in period, weighted average exercise price (in dollars per share) 5.91 5.18 7.42  
Expirations in period, weighted average exercise price (in dollars per share) 15.61 5.22    
Weighted average exercise price, end of period (in dollars per share) 8.41 $ 15.61 $ 15.61  
Exercisable options, weighted average exercise price (in dollars per share) $ 7.14