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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Mar. 27, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (shares) 54,000 58,000 65,900  
Expiry period of unexercised incentive stock options 10 years      
2018 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock reserved and available for issuance under the 2008 Equity Incentive Plan (shares)       350,000
2018 Equity Incentive Plan | Restricted stock awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (shares) 290,187      
2018 Equity Incentive Plan | Performance-Based Restricted Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment award 11,834      
Vesting period of shares, in years 3 years 3 years    
Issued in period (in shares)   18,551    
2018 Equity Incentive Plan | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options outstanding (shares) 0      
Two Thousand and Twenty Equity Incentive Plan | Performance-Based Restricted Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment award 1,119      
Two Thousand and Twenty One Equity Incentive Plan | Performance-Based Restricted Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based payment award 638      
2008 Equity Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Term of Equity Incentive Plan 10 years      
Options granted (shares) 54,000      
2008 Equity Incentive Plan | Restricted stock awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Non-option instruments granted (shares) 0      
2008 Equity Incentive Plan | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period of shares, in years 5 years      
2004 Recognition and Retention Plan and 2008 Equity Incentive Plan | Restricted stock awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense related to awards $ 722 $ 860    
2004 Stock Option and Incentive Plan and 2008 Equity Incentive Plan | Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense related to awards $ 0 $ 3