Ecovyst, Inc. Quarterly report pursuant to Section 13 or 15(d)

Acquisition - Intangible Assets Acquired (Details)

v3.8.0.1

Acquisition - Intangible Assets Acquired (Details) - Sovitec Mondial S.A. - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Jun. 12, 2017
Business Acquisition
Total intangible assets subject to amortization	$ 3,659
Total	5,753	$ 0
Trade names
Business Acquisition
Trade names, not subject to amortization	2,094
Trademarks
Business Acquisition
Total intangible assets subject to amortization	$ 1,767
Weighted-Average Expected Useful Life (in years)	11 years
Technical know-how
Business Acquisition
Total intangible assets subject to amortization	$ 1,892
Weighted-Average Expected Useful Life (in years)	11 years

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

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+ References

No definition available.

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- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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