Retirement Benefit Plans (Schedule of Expected Benefit Payments) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
2020	$ 2,678
2021	2,576
2022	2,582
2023	2,621
2024	2,642
2025 - 2028	12,827
Total	25,926
Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
2020	208
2021	228
2022	219
2023	216
2024	199
2025 - 2028	813
Total	$ 1,883

Defined Benefit Plan, Expected Future Benefit Payments

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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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