Ecovyst, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Financial Instruments - Narratives (Details)

v3.20.4

Financial Instruments - Narratives (Details) € in Thousands, $ in Thousands			1 Months Ended		12 Months Ended	26 Months Ended
	Oct. 31, 2019 USD ($)	Nov. 30, 2018 USD ($)	Mar. 31, 2020 USD ($)	Jul. 31, 2016 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)	Feb. 28, 2020	Oct. 01, 2019 EUR (€)	Nov. 13, 2018 USD ($)	Feb. 28, 2018 EUR (€)
Derivative [Line Items]
Amount of derivative loss expected to be transfered from OCI					$ 281
Cross currency swaps
Derivative [Line Items]
Cash proceeds on cross currency swap	$ 38,070
Cash flow hedging \| July 2016 Interest Rate Cap [Member]
Derivative [Line Items]
Premium paid to acquire derivative instrument				$ 1,551
Derivative, cap interest rate					0.84%	0.84%
Derivative, notional amount				$ 1,000,000
Cash flow hedging \| July 2016 Interest Rate Cap [Member] \| Minimum
Derivative [Line Items]
Derivative, cap interest rate				1.50%
Cash flow hedging \| July 2016 Interest Rate Cap [Member] \| Maximum
Derivative [Line Items]
Derivative, cap interest rate				3.00%
Cash flow hedging \| November 2018 Interest Rate Cap [Member]
Derivative [Line Items]
Premium paid to acquire derivative instrument		$ 3,380	$ 900		$ 130	$ 4,410
Derivative, cap interest rate			0.84%					2.50%		3.50%
Derivative, notional amount		$ 500,000								$ 500,000
Cash flow hedging \| July 2020 Interest Rate Cap
Derivative [Line Items]
Derivative, cap interest rate							1.00%
Derivative, notional amount							$ 400,000
Net investment hedging \| Cross currency swaps
Derivative [Line Items]
Derivative, notional amount					$ 344,403	$ 344,403			€ 280,000		€ 280,000

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994

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- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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- Definition

The amount of cash received during the period on settlement of a hedge.

+ References

No definition available.

+ Details

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- Definition

The premium (cost) of a hedge, expensed during the period.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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