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Derivatives - Unrealized Gains/(Losses) (Parenthetical) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Derivative [Line Items]        
Gains/(losses) excluded from effectiveness testing recognized in other comprehensive income $ 1.2 $ 1.7 $ 4.0 $ 0.6