v3.26.3
Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net income attributable to Tradeweb Markets Inc. $ 197,457 $ 185,636 $ 584,059 $ 487,800
Less: Distributed and undistributed earnings allocated to participating securities (73) (138) (211) (379)
Net income attributable to outstanding shares of Class A and Class B common stock - Basic 197,384 185,498 583,848 487,421
Net income attributable to outstanding shares of Class A and Class B common stock - Diluted $ 197,384 $ 185,498 $ 583,848 $ 487,421
Denominator:        
Weighted average shares of Class A and Class B common stock outstanding - Basic (in shares) 210,409,905 213,359,090 211,844,545 213,263,111
Dilutive effect (in shares) 493,942   488,333  
Weighted average shares of Class A and Class B common stock outstanding - Diluted (in shares) 210,903,847 214,983,486 212,332,878 214,951,279
Earnings per share - Basic (in dollars per share) $ 0.94 $ 0.87 $ 2.76 $ 2.29
Earnings per share - Diluted (in dollars per share) $ 0.94 $ 0.86 $ 2.75 $ 2.27
Weighted average unvested RSUs and unsettled vested PRSUs that were considered participating securities (in shares) 77,847 159,088 76,448 165,713
PRSUs        
Denominator:        
Dilutive effect (in shares) 124,246 467,912 41,415 451,111
Options        
Denominator:        
Dilutive effect (in shares) 148,809 288,067 172,969 290,111
RSUs and RSAs        
Denominator:        
Dilutive effect (in shares) 185,598 353,785 246,895 412,545
PSUs        
Denominator:        
Dilutive effect (in shares) 35,289 514,632 27,054 534,401