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EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) plan shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cost recognized | $ 2,517 | $ 1,826 | $ 1,733
Common stock, authorized (in shares) | shares | 40,000,000 | 40,000,000 |
Treasury stock (in shares) | shares | 1,131,124 | 1,160,852 |
Number of active plans | plan | 2 |  |
Share-based compensation expense | $ 3,487 | $ 2,346 | $ 2,723
Grants in period (in shares) | shares | 131,663 |  |
Stock shares repurchased (in shares) | shares | 9,031 | 11,887 | 10,437
Stock shares repurchased | $ 715 | $ 767 | $ 358
EDC plan investments | 2,176 | 3,072 |
EDC plan liabilities, current | 510 | 617 |
EDC plan liabilities, noncurrent | $ 2,191 | $ 2,981 |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Grants in period (in shares) | shares | 69,492 | 95,113 | 38,700
Options, vested in period, fair value | $ 2,252 | $ 2,687 | $ 1,384
Unrecognized compensation costs, other than options | $ 3,098 |  |
Period for recognition of unrecognized compensation cost | 1 year 3 months 18 days |  |
Short-term Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Targeted bonus award expense | $ 13,370 | 11,155 | 9,732
Short-term Incentive Plan | Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | $ 2,018 | 960 | $ 2,566
Award vesting period | 48 months |  |
Short-term Incentive Plan | Restricted Stock Units (RSUs) | Award vesting period, tranche one |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 12 months |  |
Short-term Incentive Plan | Restricted Stock Units (RSUs) | Remaining award vesting period |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 36 months |  |
The 2014 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock authorized but not granted (in shares) | shares | 1,500,000 |  |
The 2014 Plan | Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
Grants in period (in shares) | shares | 586,353 |  |
The Director's Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock authorized but not granted (in shares) | shares | 300,000 |  |
Post-employment benefits |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Current benefit obligation | $ 190 | 232 |
Noncurrent benefit obligation | $ (847) | $ (1,159) |

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