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PENSION AND OTHER POSTRETIREMENT PLANS (Details 6) $ in Thousands | Dec. 31, 2017 USD ($)
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Estimated future pension and SERP payments |
2018 | $ 667
2019 | 743
2020 | 915
2021 | 1,030
2022 | 1,113
2023-2027 | $ 7,256

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