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STOCK-BASED COMPENSATION PLANS (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Feb. 19, 2021
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
item
installment
$ / shares
Mar. 31, 2020
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
Oct. 09, 2019
shares
STOCK-BASED COMPENSATION PLANS          
Total stock-based compensation expense (benefit)   $ 259 $ (268)    
Number of shares participant is entitled to receive | item   1      
Restricted Stock Units          
STOCK-BASED COMPENSATION PLANS          
Total stock-based compensation expense (benefit)   $ 114 $ 67    
Granted (in dollars per unit) | $ / shares   $ 15.53 $ 19.03    
Unrecognized compensation cost related to non-vested stock-based compensation agreements   $ 1,602      
Restricted Stock Units | Key employees          
STOCK-BASED COMPENSATION PLANS          
Shares granted | shares 43,047        
Vesting period 3 years        
Restricted Stock Units | Non employee directors          
STOCK-BASED COMPENSATION PLANS          
Shares granted | shares 3,300        
Fair value of units granted $ 720        
Granted (in dollars per unit) | $ / shares $ 15.53        
Performance restricted stock units          
STOCK-BASED COMPENSATION PLANS          
Total stock-based compensation expense (benefit)   $ 15      
Granted (in dollars per unit) | $ / shares   $ 15.53      
Unrecognized compensation cost related to non-vested stock-based compensation agreements   $ 390      
Performance restricted stock units | Key employees          
STOCK-BASED COMPENSATION PLANS          
Shares granted | shares 28,697        
Vesting period 3 years        
Fair value of units granted $ 405        
Granted (in dollars per unit) | $ / shares $ 15.53        
Performance restricted stock units | Minimum | Key employees          
STOCK-BASED COMPENSATION PLANS          
Percentage of the number of units granted that may be earned 0.00%        
Performance restricted stock units | Maximum | Key employees          
STOCK-BASED COMPENSATION PLANS          
Percentage of the number of units granted that may be earned 150.00%        
Total awards classified as equity          
STOCK-BASED COMPENSATION PLANS          
Total stock-based compensation expense (benefit)   129 $ 67    
Stock Appreciation Rights          
STOCK-BASED COMPENSATION PLANS          
Total stock-based compensation expense (benefit)   130 $ (335)    
Unrecognized compensation cost related to non-vested stock-based compensation agreements   $ 67      
Number of installments | installment   4      
Stock appreciation rights plan liability recorded for the outstanding units   $ 402   $ 272  
Stock appreciation rights plan liability recorded for the previously exercised units   $ 797   $ 1,087  
Number of equal annual installments in which the liability recorded for previously exercised units will be paid | installment   3      
Omnibus Incentive Plan          
STOCK-BASED COMPENSATION PLANS          
Authorized number of shares | shares         1,820,000