Investments - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Cost	$ 74,227	$ 82,083
Fair Value	76,462	83,771
Sponsored funds
Debt Securities, Available-for-sale [Line Items]
Cost	51,993	63,220
Fair Value	51,013	63,296
Equity investments
Debt Securities, Available-for-sale [Line Items]
Cost	19,703	17,406
Fair Value	22,903	19,019
Debt securities
Debt Securities, Available-for-sale [Line Items]
Cost	2,531	1,457
Fair Value	$ 2,546	$ 1,456