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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Background and Basis of Presentation (Policies)
Notes Tables
Notes Details

Treasury Stock Repurchases (Details)

v3.22.2.2

Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2022	Apr. 27, 2022	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Mar. 12, 2020
Equity, Class of Treasury Stock [Line Items]
Shares acquired	0
Remaining authorized repurchase amount	$ 376,328		$ 376,328					$ 376,328
Fair value of shares withheld for tax payments			0	$ 332	$ 0	$ 1,470		$ 332	$ 1,470
March 2020 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount										$ 50,000
Shares acquired					0		0		0
April 2022 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount		$ 450,000
Stock repurchase program, period		4 years
April 2022 Stock Repurchase Program \| Open Market
Equity, Class of Treasury Stock [Line Items]
Shares acquired								1,970,763
Average cost per share								$ 9.82
Repurchases of common shares value	19,356		19,356					$ 19,356
April 2022 Stock Repurchase Program \| Secondary Offering
Equity, Class of Treasury Stock [Line Items]
Shares acquired								6,500,000
Average cost per share								$ 8.36
Repurchases of common shares value	$ 54,316		$ 54,316					$ 54,316

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