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EMPLOYEE BENEFIT PLANS Table 7 - Estimated Future Benefit Payments (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Pension Plans (The Pension Plan, Excess Pension Plan and SERP) [Member]  
Estimated Future Benefit Payments  
2018 $ 8,823
2019 9,699
2020 10,432
2021 11,050
2022 11,650
Years 2023-2027 64,799
Other Postretirement Benefits Plan [Member]  
Estimated Future Benefit Payments  
2018 376
2019 416
2020 434
2021 464
2022 497
Years 2023-2027 $ 3,090