Acquisitions - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Finite-Lived Intangible Assets, Net	$ 53.3	$ 66.8
Goodwill	1,100.9	1,100.9
Core Deposits Intangibles
Business Combination [Line Items]
Finite-Lived Intangible Assets, Net	$ 37.8	$ 49.5