v3.26.1
Earnings Per Share - Schedule of Denominator and Numerator used to Compute Basic and Diluted EPS (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Numerator for Basic and Diluted EPS:    
Net income attributable to Parsons Corporation $ 52,926 $ 66,203
Convertible senior notes if-converted method interest adjustment 0 54
Diluted net income attributable to Parsons Corporation $ 52,926 $ 66,257
Denominator for Basic and Diluted EPS:    
Basic weighted average number of shares outstanding 107,182 106,831
Dilutive effect of stock-based awards 1,182 1,637
Dilutive effect of warrants 28 440
Dilutive effect of convertible senior notes due 2025 0 2,118
Diluted weighted average number of shares outstanding 108,392 111,026
Earnings per share:    
Basic $ 0.49 $ 0.62
Diluted $ 0.49 $ 0.6