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SHARE-BASED COMPENSATION PLANS - Additional information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense $ 1,452,000 $ 1,513,000  
Payments Related to Tax Withholding for Share-based Compensation $ 5,000 $ 699,000  
Shares Paid for Tax Withholding for Share Based Compensation 11,000 204,000  
Income tax benefit from the exercise of stock options $ 23,000 $ 994,000  
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years 4 years  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Intrinsic Value, Amount Per Share $ 26.45    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 1,700,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 8 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 2 years 8 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 68,735 61,480 66,050
Aggregate Intrinsic Value $ 1,800,000    
Income tax benefit from the exercise of stock options $ 152,000 $ 249,000  
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years 5 years  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years 10 years  
Share Price $ 26.45    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 1,700,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 3 years 6 months    
Incentive plan 2017 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 882,000