Annual report [Section 13 and 15(d), not S-K Item 405]

Earnings per Share - Calculation of Basic and Diluted Earnings per Shares (Details)

v3.25.0.1
Earnings per Share - Calculation of Basic and Diluted Earnings per Shares (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Numerator:      
(Loss) income from continuing operations attributable to Ecovyst Inc. $ (6,652) $ 71,154 $ 69,795
Income from discontinued operations attributable to Ecovyst Inc. 0 0 3,902
Net (loss) income $ (6,652) $ 71,154 $ 73,697
Denominator:      
Weighted average shares outstanding – Basic (shares) 116,719,437 118,367,214 133,601,322
Weighted average shares outstanding – Diluted (shares) 116,719,437 119,487,709 135,088,172
Net (loss) income per share:      
Basic (loss) income per share—continuing operations $ (0.06) $ 0.60 $ 0.52
Diluted (loss) income per share—continuing operations (0.06) 0.60 0.52
Basic income per share—discontinued operations 0 0 0.03
Diluted income per share—discontinued operations 0 0 0.03
Basic income (loss) per share (usd per share) (0.06) 0.60 0.55
Diluted income (loss) per share (usd per share) $ (0.06) $ 0.60 $ 0.55