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STOCK-BASED COMPENSATION PLANS - Summary of restricted stock award activity (Details) - Restricted Stock [Member]
shares in Thousands
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award  
Granted but not vested at beginning balance 454
Granted 48
Forfeited (11)
Vested (38)
Granted but not vested at ending balance 453
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 13.69
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 12.80