Asset-Based Expenses - Schedule of Asset-Based Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Costs and Expenses [Abstract]
Strategist and manager fees	$ 140,814	$ 135,992	$ 128,490
Premier broker-dealer fees	9,585	6,300	9,461
Custody fees	6,416	6,676	6,712
Fund advisory fees	5,237	4,837	4,402
Other	368	295	1,771
Total	$ 162,420	$ 154,100	$ 150,836