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v3.25.2

Investment Securities - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 USD ($) Investments | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) Investments | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) Investments
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |  |
Debt Securities, Held-to-maturity, Allowance for Credit Loss | $ 0.7 |  | $ 0.7 |  | $ 0.9
Interest Receivable | 105.7 |  | 105.7 |  | 116.8
Securities Sold under Agreements to Repurchase, Fair Value of Collateral | 3,315.7 |  | 3,315.7 |  | 3,460.2
Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | $ 3,049.9 |  | $ 3,049.9 |  | $ 3,092.6
Investment securities in an unrealized loss position (securities) | Investments | 641 |  | 641 |  | 670
Investment Securities, Primarily Classified As Available-For-Sale, Callable, Within One Year, Amortized Cost Basis | $ 1,064.8 |  | $ 1,064.8 |  |
Investment Securities, Primarily Classified As Available-For-Sale, Callable, Within One Year, Fair Value | 1,031.2 |  | 1,031.2 |  |
Accrued interest reversal | (1.0) | $ (0.2) | (2.5) | $ (2.0) |
Debt Securities |  |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |  |
Interest Receivable | $ 26.5 |  | $ 26.5 |  | $ 29.6

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