Reinsurance (Schedule of Effects of Reinsurance) (Parenthetical) (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
MCCA [Member]
Effects Of Reinsurance [Line Items]
Refund amount of premium expected to be received	$ 183.2

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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