Employee Benefit Plans (Post-Retirement Benefit Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Incurred expenses	$ 1.2	$ 1.3	$ 1.2

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.

No definition available.

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