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STOCK-BASED COMPENSATION PLANS - Narrative (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding stock options 0 0 0
Granted 0 0 0
Stock Options | 2016 Stock Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares of common stock are available for issuance 800,000    
Number of shares available for granting options 800,000 800,000 800,000