Benefit Plans and Other Postretirement Benefits, Projected Benefit Payments (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Pension Plans
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2016	$ 11,278
2017	11,893
2018	11,746
2019	12,920
2020	13,404
2021-2025	62,859
Postretirement Benefit Plan
Defined Benefit Plan, Gross Projected Benefit Payments [Abstract]
2016	1,443
2017	1,324
2018	1,278
2019	1,244
2020	1,203
2021-2025	5,200
Expected Medicare Part D Subsidies [Abstract]
2016	8
2017	6
2018	5
2019	4
2020	4
2021-2025	19
Defined Benefit Plan, Net Projected Benefit Payments [Abstract]
2016	1,435
2017	1,318
2018	1,273
2019	1,240
2020	1,199
2021-2025	$ 5,181

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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.