Benefit Plans and Other Postretirement Benefits, Projected Benefit Payments (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Pension Plans
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2017	$ 12,324
2018	11,496
2019	12,957
2020	13,329
2021	12,964
2022-2026	61,280
Postretirement Benefit Plan
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2017	1,371
2018	1,308
2019	1,271
2020	1,226
2021	1,169
2022-2026	5,031
Expected Medicare Part D Subsidies [Abstract]
2017	6
2018	5
2019	4
2020	4
2021	3
2022-2026	15
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
2017	1,365
2018	1,303
2019	1,267
2020	1,222
2021	1,166
2022-2026	$ 5,016

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No definition available.

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- Definition

The amount of the benefits expected to be paid, net of the prescription drug subsidy receipts expected to be received in the five fiscal years thereafter (the aggregate net amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

+ References

No definition available.