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EMPLOYEE BENEFIT PLANS (Detail Textuals 2) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Tax benefits for compensation expense for restricted stock     $ 160,000
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Minimum threshold limit percentage of incentive stock option grants to owners 10.00%    
Percentage of fair market value of the common stock 110.00%    
Stock based compensation award, vesting period 5 years    
Expiry period of the stock 10 years    
Expiry period of the stock of the majority owners 5 years    
Fair value of stock options method used Black-Scholes option pricing model    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation award, vesting percentage 20.00%    
Stock based compensation award, vesting period from date of grant 6 years    
Weighted average grant date fair value (in dollars per share) $ 13.97 $ 13.39 $ 5.77
Total fair value of shares vested $ 4,289,000 $ 4,432,000 $ 2,686,000
Tax benefits for compensation expense for restricted stock 645,000 $ 718,000  
Unrecognized compensation cost related to non-vested restricted shares $ 7,073,000    
Unrecognized compensation cost related to non-vested restricted shares recognized period 3 years 2 months 12 days