Revenue from Contracts with Customers - Disaggregation of Revenue by Asset Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total Revenue	$ 1,632,093	$ 1,609,574	$ 1,445,814
Money market
Disaggregation of Revenue [Line Items]
Total Revenue	837,948	754,074	575,261
Equity
Disaggregation of Revenue [Line Items]
Total Revenue	473,065	483,650	526,957
Fixed-income
Disaggregation of Revenue [Line Items]
Total Revenue	195,798	189,280	206,794
Other
Disaggregation of Revenue [Line Items]
Total Revenue	$ 125,282	$ 182,570	$ 136,802