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 (Policies)
Notes Tables
Notes Details

Stock-Based Compensation - Total Stock-Based Compensation Expense (Details)

v3.24.0.1

Stock-Based Compensation - Total Stock-Based Compensation Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award
Stock compensation expense	$ 16,031,000	$ 20,632,000	$ 31,838,000
Stock compensation expense, tax benefit	1,826,000	2,799,000	7,735,000
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized stock-based compensation expense, other than options	0
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized stock-based compensation expense, other than options	0
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized stock-based compensation expense, other than options	$ 9,760,000
Unrecognized stock-based compensation expense, period for recognition	1 year 8 months 8 days
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized stock-based compensation expense, other than options	$ 6,360,000
Unrecognized stock-based compensation expense, period for recognition	2 years 29 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award
Stock compensation expense	$ 0	$ 0	$ 0
Performance Shares \| Exit event exceeding threshold
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting percentage	100.00%

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