Condensed Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues
Total revenue	$ 508,598,000	$ 448,915,000	$ 1,531,246,000	$ 1,262,605,000
Expenses
Employee compensation and benefits	164,993,000	160,161,000	511,563,000	440,484,000
Depreciation and amortization	64,351,000	57,872,000	190,098,000	157,145,000
Technology and communications	33,867,000	24,300,000	92,807,000	69,840,000
General and administrative	16,892,000	20,417,000	66,616,000	44,026,000
Professional fees	11,483,000	21,434,000	38,100,000	46,558,000
Occupancy	6,641,000	5,415,000	17,737,000	15,064,000
Total expenses	298,227,000	289,599,000	916,921,000	773,117,000
Operating income	210,371,000	159,316,000	614,325,000	489,488,000
Tax receivable agreement liability adjustment	0	(870,000)	0	(870,000)
Interest income	20,348,000	16,663,000	49,169,000	59,234,000
Interest expense	(522,000)	(1,446,000)	(1,538,000)	(3,706,000)
Other income (loss), net	39,420,000	10,000	56,306,000	10,000
Income before taxes	269,617,000	173,673,000	718,262,000	544,156,000
Provision for income taxes	(59,068,000)	(43,450,000)	(163,886,000)	(134,135,000)
Net income	210,549,000	130,223,000	554,376,000	410,021,000
Less: Net income attributable to non-controlling interests	24,913,000	16,307,000	66,576,000	50,724,000
Net income attributable to Tradeweb Markets Inc.	$ 185,636,000	$ 113,916,000	$ 487,800,000	$ 359,297,000
Earnings per share attributable to Tradeweb Markets Inc. Class A and B common stockholders:
Basic (in dollars per share)	$ 0.87	$ 0.53	$ 2.29	$ 1.69
Diluted (in dollars per share)	$ 0.86	$ 0.53	$ 2.27	$ 1.67
Weighted average shares outstanding:
Basic (in shares)	213,359,090	213,206,193	213,263,111	213,026,732
Diluted (in shares)	214,983,486	215,096,974	214,951,279	214,885,210
Transaction fees and commissions
Revenues
Total revenue	$ 421,309,000	$ 373,493,000	$ 1,272,421,000	$ 1,039,419,000
Subscription fees
Revenues
Total revenue	60,830,000	51,206,000	173,999,000	151,633,000
LSEG market data fees
Revenues
Total revenue	20,534,000	20,512,000	70,028,000	61,593,000
Other
Revenues
Total revenue	$ 5,925,000	$ 3,704,000	$ 14,798,000	$ 9,960,000