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 | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Noncontrolling Interest [Abstract] | ||||
| Net income attributable to Tradeweb Markets Inc. | $ 181,318 | $ 153,782 | $ 386,602 | $ 302,164 |
| Increase/(decrease) in Tradeweb Markets Inc.’s additional paid-in capital as a result of ownership changes in TWM LLC | 9,920 | 21,957 | 1,251 | |
| Increase/(decrease) in Tradeweb Markets Inc.’s additional paid-in capital as a result of ownership changes in TWM LLC | (2,544) | |||
| Net transfers (to) from non-controlling interests | 9,920 | (2,544) | 21,957 | 1,251 |
| Change from net income attributable to Tradeweb Markets Inc. and transfers (to) from non-controlling interests | $ 191,238 | $ 151,238 | $ 408,559 | $ 303,415 |
| X | ||||||||||
- Definition The amount of net income (loss) attributable to parent and transfers (to) from noncontrolling interests. No definition available.
|
| X | ||||||||||
- Definition Amount of net transfers from (to) non controlling interest. No definition available.
|
| X | ||||||||||
- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|