Allowance for Credit Losses - Collateral-Dependent Loans and Leases (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Residential Real Estate [Member]
Financing Receivable, Nonaccrual [Line Items]
Amortized cost basis of collateral-dependent loans	$ 8.2	$ 7.5

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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration