Customer Repurchase Agreements - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Statistical Disclosure for Banks [Abstract]
Securities sold under agreements to repurchase	$ 945.8	$ 906.8
Short-term borrowings, maturity period (in days)	1 day

Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details