v3.26.1
Non-Controlling Interests - Schedule of the Impact on Equity Due to Changes in the Company’s Ownership Interest in Noncontrolling Interest (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Noncontrolling Interest [Abstract]    
Net income attributable to Tradeweb Markets Inc. $ 205,284 $ 148,382
Increase/(decrease) in Tradeweb Markets Inc.’s additional paid-in capital as a result of ownership changes in TWM LLC 12,037 3,795
Net transfers (to) from non-controlling interests 12,037 3,795
Change from net income attributable to Tradeweb Markets Inc. and transfers (to) from non-controlling interests $ 217,321 $ 152,177