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STOCK-BASED COMPENSATION PLANS (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
item
installment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Oct. 09, 2019
shares
STOCK-BASED COMPENSATION PLANS        
Total stock-based compensation expense $ 990,000 $ 214,000 $ 343,000  
Restricted Stock Units        
STOCK-BASED COMPENSATION PLANS        
Total stock-based compensation expense $ 579,000 351,000    
Number of shares participant is entitled to receive | item 1      
Fair value of units granted $ 948,000 1,399,000    
Intrinsic value of restricted stock units 305,000      
Unrecognized compensation cost related to non-vested stock-based compensation agreements $ 1,339,000      
Weighted average remaining contractual term 2 years 3 months 18 days      
Performance Shares        
STOCK-BASED COMPENSATION PLANS        
Total stock-based compensation expense $ 185,000      
Fair value of units granted 603,000      
Unrecognized compensation cost related to non-vested stock-based compensation agreements $ 579,000      
Weighted average remaining contractual term 2 years 6 months      
Performance Shares | Minimum        
STOCK-BASED COMPENSATION PLANS        
Percentage of the number of units granted that may be earned 0.00%      
Performance Shares | Maximum        
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 $ 764,000 351,000    
Stock Appreciation Rights        
STOCK-BASED COMPENSATION PLANS        
Total stock-based compensation expense $ 226,000 (137,000) $ 343,000  
Vesting period 4 years      
Unrecognized compensation cost related to non-vested stock-based compensation agreements $ 56,000      
Stock appreciation rights plan liability recorded for the outstanding units 485,000 272,000    
Stock appreciation rights plan liability recorded for the previously exercised units $ 797,000 $ 1,087,000    
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