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Investments - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Investments in and Advances to Affiliates [Line Items]
Equity securities	$ 32.3	$ 37.9
Unrealized gains on equity securities	1.2	2.9
Proceeds from maturity of AFS securities	825.2	511.1
Purchase of available-for-sale securities	413.9	651.3
Debt securities net unrealized (loss) gain	0.5	0.8
Variable Interest Entity, Primary Beneficiary
Investments in and Advances to Affiliates [Line Items]
Equity securities	$ 10.9	$ 15.8

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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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