Organization and Description of the Business (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Business Combination [Line Items]
Repurchase of common stock (in shares)	1,799,423	4,445,534
Average price of common stock repurchased (in dollars per share)	$ 26.64	$ 21.32
Repurchases of common stock	$ 48.0	$ 94.9
Paulson & Co. Inc. and Related Parties Thereof | Acadian Asset Management Inc
Business Combination [Line Items]
Parent owned interest	21.80%