v3.26.1
Earnings Per Share - Schedule of Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share [Abstract]    
Net income attributable to shareholders of Criteo S.A. $ 7,817 $ 37,928
Basic shares:    
Weighted average number of shares outstanding of Criteo S.A. (in shares) 50,352,465 53,979,157
Dilutive effect of:    
RSUs and PSUs (in shares) 613,468 3,079,762
Share options (in shares) 0 82,956
Share warrants (in shares) 0 54,023
Diluted shares:    
Weighted average number of shares outstanding used to determine diluted earnings per share (in shares) 50,965,933 57,195,898
Diluted earnings per share (in USD per share) $ 0.15 $ 0.66