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DEFERRED COMPENSATION (Details) - SERP - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
DEFERRED COMPENSATION      
Deferred compensation liability $ 0 $ 0  
Deferred compensation expense   $ 1,660,000 $ 4,291,000
Period over which SERP benefit payments to be paid 30 years