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STOCK-BASED COMPENSATION PLANS (Details) - Restricted share awards - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2019
May 31, 2019
May 31, 2018
Jun. 30, 2017
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Share-based compensation plans                
Unrecognized compensation expense         $ 167   $ 167  
Independent Directors                
Share-based compensation plans                
Granted to each individual (in shares)   2,667 3,378 3,195        
Granted (in shares)   10,668 10,134 9,585        
Award vesting period   1 year 1 year 1 year        
Stock-based compensation expense         $ 44 $ 48 $ 82 $ 86
Subsequent Event | Independent Directors                
Share-based compensation plans                
Granted to each individual (in shares) 245              
Granted (in shares) 980