Employee Benefit Plans Estimated Payments (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Pension Plan [Member]
Estimated Future Benefit Payments
2020	$ 33,310
2021	34,823
2022	36,154
2023	37,605
2024	39,084
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	207,765
Other Pension, Postretirement and Supplemental Plans [Member]
Estimated Future Benefit Payments
2020	3,025
2021	2,934
2022	2,501
2023	2,337
2024	1,843
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 5,851

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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