Employee Benefit Plans - Benefits Expected to be Paid Next Five Years (Details) $ in Thousands	Dec. 31, 2018 USD ($)
DB Pension Plans
Future Benefit Payments
2019	$ 3,950
2020	4,067
2021	4,210
2022	4,280
2023	4,463
2024-2028	23,686
Total	44,656
Life and Healthcare Plan
Future Benefit Payments
2019	529
2020	477
2021	430
2022	416
2023	439
2024-2028	2,162
Total	4,453
SERP Plan
Future Benefit Payments
2019	673
2020	697
2021	688
2022	740
2023	845
2024-2028	4,475
Total	$ 8,118

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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=108410482&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 remainder of 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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