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BENEFIT PLANS, Estimated Future Benefit Payments (Details) $ in Thousands | Dec. 31, 2019 USD ($)
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Pension Benefits [Member] |
Estimated Future Benefit Payments [Abstract] |
2020 | $ 9,947
2021 | 10,713
2022 | 10,913
2023 | 11,455
2024 | 11,762
2025-2029 | 59,503
Post-retirement Benefits [Member] |
Estimated Future Benefit Payments [Abstract] |
2020 | 179
2021 | 135
2022 | 132
2023 | 129
2024 | 126
2025-2029 | $ 572

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