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RETIREMENT PLANS - Expected future service (Details) $ in Thousands | Dec. 31, 2019 USD ($)
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Pension Plans |
Estimated Pension Benefits |
2020 | $ 4,719
2021 | 4,476
2022 | 4,813
2023 | 4,339
2024 | 4,594
2025 - 2029 | 23,474
Total | 46,415
Postretirement Benefits |
Estimated Pension Benefits |
2020 | 347
2021 | 320
2022 | 317
2023 | 263
2024 | 310
2025 - 2029 | 1,695
Total | $ 3,252

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