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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Liabilities in Balance Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Pension Plan |  |
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS |  |
Other assets | $ 55 | $ 47
Accrued interest and other liabilities | 0 | 0
Other Postretirement Benefits Plan |  |
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS |  |
Other assets | 0 | 0
Accrued interest and other liabilities | $ 935 | $ 1,297

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