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STOCK-BASED COMPENSATION PLANS - Intrinsic value, Unrecognized compensation and Contractual term (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation cost | $ 0 |  |
Intrinsic value of options exercised | $ 331 | $ 39 | $ 94
Weighted average remaining contractual term (in years) | 3 years 2 months 12 days |  |
Restricted Stock Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation cost | $ 0 |  |
Weighted average remaining maturity (in years) | 0 years |  |
Exercise price (usd per share) | $ 0 |  |
Intrinsic value | $ 0 |  |
Performance stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation cost | $ 445 |  |
Weighted average remaining maturity (in years) | 2 years |  |
Intrinsic value | $ 0 |  |
Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation cost | $ 2,100 |  |
Weighted average remaining maturity (in years) | 1 year 10 months 24 days |  |

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