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

Annual report pursuant to Section 13 and 15(d)

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

Treasury Stock Repurchases (Details)

v3.22.4

Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			12 Months Ended
	Apr. 27, 2022	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Mar. 12, 2020
Equity, Class of Treasury Stock [Line Items]
Remaining authorized repurchase amount		$ 313,298			$ 313,298
Fair value of shares withheld for tax payments					$ 332	$ 1,470	$ 2,539
March 2020 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount								$ 50,000
Shares acquired				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 [Member]
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
April 2022 Stock Repurchase Program \| Secondary Offering [Member]
Equity, Class of Treasury Stock [Line Items]
Shares acquired		8,000,000	6,500,000
Average cost per share		$ 7.88	$ 8.36
Repurchases of common shares value		$ 117,346			$ 117,346

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