v3.26.1
Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net income attributable to Tradeweb Markets Inc. $ 181,318 $ 153,782 $ 386,602 $ 302,164
Less: Distributed and undistributed earnings allocated to participating securities (44) (117) (118) (225)
Net income attributable to outstanding shares of Class A and Class B common stock - Basic 181,274 153,665 386,484 301,939
Net income attributable to outstanding shares of Class A and Class B common stock - Diluted $ 181,274 $ 153,665 $ 386,484 $ 301,939
Denominator:        
Weighted average shares of Class A and Class B common stock outstanding - Basic (in shares) 212,463,597 213,339,761 212,573,754 213,214,326
Dilutive effect (in shares) 331,544   485,527  
Weighted average shares of Class A and Class B common stock outstanding - Diluted (in shares) 212,795,141 214,971,946 213,059,281 214,934,378
Earnings per share - Basic (in dollars per share) $ 0.85 $ 0.72 $ 1.82 $ 1.42
Earnings per share - Diluted (in dollars per share) $ 0.85 $ 0.71 $ 1.81 $ 1.40
Weighted average unvested RSUs and unsettled vested PRSUs that were considered participating securities (in shares) 51,400 162,433 64,857 173,894
PRSUs        
Denominator:        
Dilutive effect (in shares) 0 450,980 0 442,710
Options        
Denominator:        
Dilutive effect (in shares) 150,786 292,392 185,048 291,132
RSUs and RSAs        
Denominator:        
Dilutive effect (in shares) 154,020 330,102 277,543 441,924
PSUs        
Denominator:        
Dilutive effect (in shares) 26,738 558,711 22,936 544,286