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Loans and Allowance for Credit Losses on Loans - Schedule of Financial Effect of Loan Modifications (Details) - Term Extension	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Home equity | Residential loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)		6 years 6 months
Commercial and industrial | Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)	2 years 3 months 18 days		2 years 3 months 18 days
Commercial owner-occupied | Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)	2 years 6 months		2 years 6 months

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- Definition

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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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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