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EQUITY AND STOCK COMPENSATION PLANS - Performance share awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
EQUITY AND STOCK COMPENSATION PLANS    
Number of options outstanding 435,000  
Weighted average exercise price of options outstanding $ 6.00  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 9 years 9 months 3 days  
Stock options    
EQUITY AND STOCK COMPENSATION PLANS    
Number of options outstanding 435,000  
Weighted average exercise price of options outstanding $ 6.00  
Number of stock options granted 0 0
Number of shares vested 16,248  
Weighted average remaining contractual term 9 years 8 months 19 days  
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 9 years 9 months 4 days  
Aggregate intrinsic value of options outstanding $ 0  
Aggregate intrinsic value of options exercisable 0  
Amount of unrecognized compensation expense related to non-vested options $ 0  
Weighted average period for nonvested options 3 years 9 months