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RETIREMENT PLANS - Narrative (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Aug. 31, 2021 USD ($) | Jan. 01, 2019 participant
Retirement Benefits [Abstract] |  |  |  |
Loss on pension withdrawal |  |  | $ 11,200 |
Contributions to 401k plan | $ 701 | $ 670 |  |
Number of remaining retired participants in health plan | participant |  |  |  | 13
Estimated net loss for post-retirement plans | 124 |  |  |
Estimated prior service cost for post-retirement plans | $ 69 |  |  |

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- Definition Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References No definition available. + Details
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