Derivative Instruments and Hedging Activities (Fair Values of Derivative Instruments on the Balance Sheet) (Parenthetical) (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Interest Rate Swap [Member] \| Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Obligations secured with cash	$ 24.3	$ 21.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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