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Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Equity securities without readily determinable fair value	$ 19.1	$ 21.9
Fair value, impairment loss, cumulative amount	(2.8)
Debt securities, available-for-sale, amortized cost	5.0	5.0
Unfunded Loan Commitment
Debt Securities, Available-for-sale [Line Items]
Provision for loan, lease, and other losses	(4.7)
Level 2 | Fair Value, Nonrecurring
Debt Securities, Available-for-sale [Line Items]
Cumulative gains on investments in equity securities without readily determinable fair values	$ 0.8	$ 0.8

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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