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STOCK COMPENSATION PLAN (Summary of Stock Options Outstanding) (Details) - $10 - 30
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Average Exercise Prices, Lower Limit $ 10
Range of Average Exercise Prices, Upper Limit $ 30
Number of Options Outstanding | shares 231,000
Weighted Average Remaining Contractual Life 2 years 10 months 17 days
Weighted Average Exercise Price $ 18.00
Weighted Average Intrinsic Price $ 42.22