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EMPLOYEE BENEFIT PLANS - 401(k) Plan and Stock Incentive Plan (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 01, 2019
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
EMPLOYEE BENEFIT PLANS        
Percentage of employer matching contribution 100.00%      
Maximum period of vesting in contribution of employees   2 years    
Employer matching contribution   $ 1.2 $ 1.2 $ 1.0
Stock Incentive Plans Member        
EMPLOYEE BENEFIT PLANS        
Stock authorized (in shares)   3,000,000    
Expiration term of share-based compensation plans   10 years    
Number of shares available for grants   777,199    
Pre-tax stock-based employee compensation expense   $ 3.7 2.7 2.3
After tax stock-based employee compensation expense   $ 2.9 $ 2.1 $ 1.8