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SHAREHOLDERS' EQUITY - Financial performance units (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 200      
Financial Performance Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Financial performance threshold percentage     100.00%  
Granted (in shares)     52,439  
Financial Performance Units | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Financial performance threshold percentage     0.00%  
Financial Performance Units | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Financial performance threshold percentage     150.00%  
Financial Performance Units Granted From May 1, 2019 Through April 30, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     150.00%  
Maximum Issuable Shares at Current Threshold (in shares) 67,730   67,730  
Unrecognized Compensation Expense $ 110   $ 110  
Weighted-Average Life (in years)     6 months  
Granted (in shares)     0 0
Stock-based compensation expense $ 31 $ 29 $ 83 $ 90
Financial Performance Units Granted From May 01, 2020 Through December 31 2020, Excluding November 18, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     150.00%  
Maximum Issuable Shares at Current Threshold (in shares) 72,687   72,687  
Unrecognized Compensation Expense $ 329   $ 329  
Weighted-Average Life (in years)     1 year 6 months  
Granted (in shares)     0 0
Stock-based compensation expense $ 38 29 $ 86 $ 82
Financial Performance Units Granted on November 18, 2020        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     114.00%  
Maximum Issuable Shares at Current Threshold (in shares) 23,943   23,943  
Unrecognized Compensation Expense $ 249   $ 249  
Weighted-Average Life (in years)     1 year 4 months 24 days  
Remainder threshold awards 50.00%   50.00%  
Granted (in shares)     0 0
Stock-based compensation expense $ 21 (2) $ 40 $ 28
Financial Performance Units Granted From May 3 2021 Through August 11,2021        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     97.00%  
Maximum Issuable Shares at Current Threshold (in shares) 33,798   33,798  
Unrecognized Compensation Expense $ 395   $ 395  
Weighted-Average Life (in years)     2 years 6 months  
Granted (in shares)     0 0
Stock-based compensation expense $ (147) 58 $ (91) $ 139
Financial Performance Units Granted On May 2, 2022        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     0.00%  
Maximum Issuable Shares at Current Threshold (in shares) 0   0  
Unrecognized Compensation Expense $ 0   $ 0  
Weighted-Average Life (in years)     3 years 6 months  
Granted (in shares)     322 64,629
Stock-based compensation expense $ 0 58 $ 0 $ 58
Financial Performance Units Granted On August 4, 2022        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     33.00%  
Maximum Issuable Shares at Current Threshold (in shares) 9,090   9,090  
Unrecognized Compensation Expense $ 455   $ 455  
Weighted-Average Life (in years)     3 years 6 months  
Granted (in shares)     0 0
Stock-based compensation expense $ (24) 0 $ 5 $ 0
Financial Performance Units Granted On May 1, 2023        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Threshold Accrual     0.00%  
Maximum Issuable Shares at Current Threshold (in shares) 0   0  
Unrecognized Compensation Expense $ 0   $ 0  
Weighted-Average Life (in years)     4 years 6 months  
Granted (in shares)     52,117 0
Stock-based compensation expense $ 0 $ 0 $ 0 $ 0