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EMPLOYEE BENEFIT PLANS - Allocation of Plan Assets (Details) - Pension Plans - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | $ 12,422 | $ 12,040 | $ 11,078
Recurring |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 12,422 | 12,040 |
Recurring | Large-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 952 | 2,364 |
Recurring | Mid-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 296 | 744 |
Recurring | Small-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 302 | 765 |
Recurring | International |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 573 | 1,499 |
Recurring | Fixed-income - core plus |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets |  | 3,880 |
Recurring | Intermediate duration |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets |  | 1,338 |
Recurring | Long duration |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 9,042 |  |
Recurring | Common stock |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 653 | 510 |
Recurring | Common/collective trusts - large-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 244 | 620 |
Recurring | Cash equivalents - money market |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 360 | 320 |
Level 1 | Recurring |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 12,178 | 11,420 |
Level 1 | Recurring | Large-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 952 | 2,364 |
Level 1 | Recurring | Mid-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 296 | 744 |
Level 1 | Recurring | Small-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 302 | 765 |
Level 1 | Recurring | International |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 573 | 1,499 |
Level 1 | Recurring | Fixed-income - core plus |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets |  | 3,880 |
Level 1 | Recurring | Intermediate duration |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets |  | 1,338 |
Level 1 | Recurring | Long duration |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 9,042 |  |
Level 1 | Recurring | Common stock |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 653 | 510 |
Level 1 | Recurring | Cash equivalents - money market |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 360 | 320 |
Level 2 | Recurring |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | 244 | 620 |
Level 2 | Recurring | Common/collective trusts - large-cap |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan assets | $ 244 | $ 620 |

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