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DEFERRED COMPENSATION (Details) - SERP - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
DEFERRED COMPENSATION      
Period over which SERP benefit payments to be paid   30 years  
Deferred compensation expense $ 690,000   $ 1,660,000