PENSION PLANS AND OTHER POST RETIREMENT BENEFITS - Anticipated Pension Payments Under Pension Plans (Details) - Pension Plan $ in Thousands	Mar. 31, 2021 USD ($)
CDT
Assumptions:
2021 (three months ended)	$ 203
2022	877
2023	975
2024	1,083
2025	1,130
2026 to 2030	6,486
Total	10,754
GXS GER
Assumptions:
2021 (three months ended)	246
2022	1,014
2023	1,014
2024	1,022
2025	1,051
2026 to 2030	5,154
Total	9,501
GXS PHP
Assumptions:
2021 (three months ended)	28
2022	254
2023	100
2024	140
2025	190
2026 to 2030	2,456
Total	$ 3,168

Defined Benefit Plan, Expected Future Benefit Payment, after Year Four for Next Five Years

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Defined Benefit Plan Expected Future Benefit Payments Total

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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 benefit for defined benefit plan expected to be paid in remainder of current fiscal year.

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

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

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

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