v3.25.2
Net Loss Per Common Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Numerator:        
Net loss attributable to Zentalis $ (26,874) $ (88,277) $ (75,153) $ (78,209)
Denominator:        
Weighted average number of common shares outstanding, basic (in shares) 71,992,000 71,040,000 71,836,000 70,969,000
Weighted Average Number of Shares Outstanding, Diluted [Abstract]        
Weighted average number of common shares outstanding, diluted (in shares) 71,992,000 71,040,000 71,836,000 70,969,000
Earnings Per Share, Basic And Diluted EPS [Abstract]        
Basic (in dollars per share) $ (0.37) $ (1.24) $ (1.05) $ (1.10)
Diluted (in dollars per share) $ (0.37) $ (1.24) $ (1.05) $ (1.10)