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RETIREMENT PLANS - Net Periodic Pension Cost (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Jul. 22, 2021
Pension benefits |  |  |
Components of the plan's net periodic pension cost |  |  |
Service cost | $ 57 | $ 54 |
Interest cost | 565 | 572 |
Expected return on plan assets | (925) | (687) |
Net periodic pension expense (benefit) | (303) | (61) |
Funded status of plan |  |  |
Projected benefit obligation |  |  | $ 15,400
Plan Net Assets |  |  | 12,100
Postretirement benefits |  |  |
Components of the plan's net periodic pension cost |  |  |
Service cost | 36 | 35 |
Interest cost | 33 | 41 |
Net periodic pension expense (benefit) | $ 69 | $ 76 |
Funded status of plan |  |  |
Projected benefit obligation |  |  | $ 400

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