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

Fair Value Measurements - Assets Measured at Fair Value on a Non-recurring Basis (Details)

v3.20.4

Fair Value Measurements - Assets Measured at Fair Value on a Non-recurring Basis (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 01, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Oct. 01, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill impairment charge		$ 260,000	$ 0	$ 0
Unrealized Gain (Loss) on Securities		545	$ 944	$ 346
Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill, Gross					$ 973,578
Goodwill implied fair value					$ 717,738
Goodwill impairment charge	$ 260,000
Estimate of Fair Value Measurement \| Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill implied fair value		717,738
Estimate of Fair Value Measurement \| Nonrecurring \| Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill implied fair value		0
Estimate of Fair Value Measurement \| Nonrecurring \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill implied fair value		717,738
Estimate of Fair Value Measurement \| Nonrecurring \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill implied fair value		0
Change Measurement During Period \| Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Goodwill implied fair value		$ (260,000)

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Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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