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STOCK-BASED COMPENSATION PLANS (Details) - Restricted Stock - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 11, 2021
May 31, 2021
May 31, 2020
Jul. 31, 2019
May 31, 2019
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation expense           $ 183   $ 183  
Independent Directors                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Shares of Common Stock - Individual (in shares)   5,083   81 889        
Restricted Shares of Common Stock - Aggregate (in shares)   20,332   324 3,556        
Award vesting period               1 year  
Stock-based compensation expense           $ 50 $ 56 $ 110 $ 112
Independent Directors | Share-based Payment Arrangement, Tranche One                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Shares of Common Stock - Individual (in shares)     5,478            
Restricted Shares of Common Stock - Aggregate (in shares)     5,478            
Number of shares vested 5,478                
Independent Directors | Share-based Payment Arrangement, Tranche Two                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Restricted Shares of Common Stock - Individual (in shares)     5,478            
Restricted Shares of Common Stock - Aggregate (in shares)     16,434