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

Related Party Transactions (Details)

v3.19.3.a.u2

Related Party Transactions (Details) - USD ($)				12 Months Ended
Related Party Transactions (Details) - USD ($)	Dec. 11, 2017	Oct. 03, 2017	Dec. 29, 2014	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 04, 2016
Related Party Transaction
Management advisory fees				$ 0	$ 0
Debt extinguishment costs				0	0	$ 47,875,000
Unsecured debt \| Floating Rate Senior Unsecured Notes due 2022
Related Party Transaction
Debt instrument face amount							$ 525,000,000
Debt extinguishment costs	$ 6,043,000	$ 32,284,000
Affiliated Entity
Related Party Transaction
Management advisory fees			$ 5,000,000			3,777,000
Board of Directors \| Unsecured debt \| Floating Rate Senior Unsecured Notes due 2022
Related Party Transaction
Debt instrument face amount							$ 4,000,000
Payment for financing expenses						362,000
Debt extinguishment costs						338,000
Corporate Joint Venture \| Operating Lease Rental Payments
Related Party Transaction
Related party sales				305,000	295,000	295,000
Corporate Joint Venture \| Sales from Partnership to Company
Related Party Transaction
Purchases from related party				803,000	645,000	2,475,000
Corporate Joint Venture \| Manufacturing Costs
Related Party Transaction
Related party sales				19,976,000	16,869,000	17,470,000
Corporate Joint Venture \| Services
Related Party Transaction
Related party sales				12,871,000	12,727,000	12,248,000
Corporate Joint Venture \| Product Demonstration Costs
Related Party Transaction
Related party sales				2,204,000	1,768,000	2,175,000
INEOS Capital Partners
Related Party Transaction
Related party sales				4,841,000	5,587,000	8,396,000
Purchases from related party				$ 1,203,000	$ 1,495,000	$ 1,096,000

- Definition

Face (par) amount of debt instrument at time of issuance.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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