Benefit Plans - Project Benefit Payment Obligations (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Retirement Benefits [Abstract]
Fair value assumptions, expected term	10 years
2020	$ 2,215
2021	2,007
2022	2,082
2023	2,203
2024	2,234
Thereafter	13,095
Total	$ 23,836

Defined Benefit Plan, Expected Future Benefit Payments, Total

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- Definition

Defined Benefit Plan, Fair Value Assumptions, Expected Term

+ References

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- Definition

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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- Definition

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

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- Definition

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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