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Revenue from Contracts with Customers - Disaggregation of Revenue by Asset Class (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total Revenue	$ 469,446	$ 408,456	$ 1,317,830	$ 1,207,410
Money market
Disaggregation of Revenue [Line Items]
Total Revenue	245,282	208,443	694,628	618,472
Equity
Disaggregation of Revenue [Line Items]
Total Revenue	135,043	117,844	371,945	350,101
Fixed-income
Disaggregation of Revenue [Line Items]
Total Revenue	49,586	49,512	147,306	146,803
Other
Disaggregation of Revenue [Line Items]
Total Revenue	$ 39,535	$ 32,657	$ 103,951	$ 92,034

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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