Pension Plans and Other Post Retirement Benefits - Anticipated Pension Payments Under Pension Plans (Details) - Pension Plan $ in Thousands	Dec. 31, 2019 USD ($)
CDT defined benefit plan
Assumptions:
2020 (six months ended June 30)	$ 331
2021	739
2022	810
2023	909
2024	1,014
2025 to 2029	5,851
Total	9,654
GXS GER defined benefit plan
Assumptions:
2020 (six months ended June 30)	493
2021	985
2022	1,017
2023	1,017
2024	1,023
2025 to 2029	5,171
Total	9,706
GXS PHP defined benefit plan
Assumptions:
2020 (six months ended June 30)	31
2021	268
2022	266
2023	222
2024	278
2025 to 2029	2,890
Total	$ 3,955

Defined Benefit Plan Expected Future Benefit Payments Total

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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 remainder of 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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