EMPLOYEE BENEFIT PLANS - Narrative (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) plan shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost recognized	$ 1,826	$ 1,733	$ 1,603
Common stock, authorized (in shares) \| shares	40,000,000	40,000,000
Treasury stock (in shares) \| shares	1,160,852	1,200,103
Number of active plans \| plan	2
Share-based compensation expense	$ 2,346	$ 2,723	$ 2,424
Grants in period (in shares) \| shares	122,279
Stock shares repurchased (in shares) \| shares	11,887	10,437	77,481
Stock shares repurchased	$ 767	$ 358	$ 5,489
EDC plan investments	3,072	2,007
EDC plan liabilities, current	617
EDC plan liabilities, noncurrent	$ 2,981	$ 3,140
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in period (in shares) \| shares	95,113	38,700	45,993
Options, vested in period, fair value	$ 2,687	$ 1,384	$ 2,951
Unrecognized compensation costs, other than options	$ 3,004
Period for recognition of unrecognized compensation cost	9 months 18 days
Short-term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Targeted bonus award expense	$ 11,155	9,732	461
Short-term Incentive Plan \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 960	2,566	$ 123
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	516,861
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	$ 232	266
Noncurrent benefit obligation	$ 1,159	$ 1,476

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