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Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

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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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Loans and Allowance for Credit Losses for Loans - Financing Effect of Loan Modification (Details)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Commercial and industrial \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		12 months
Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	24 months	12 months
Residential mortgage
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		12 months
Home equity
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	120 months
Consumer loans
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		60 months
Maximum \| Commercial and industrial \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	12 months
Maximum \| Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate	2.10%	2.11%
Maximum \| Commercial Real Estate
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		36 months
Weighted average contractual interest rate	7.00%
Maximum \| Commercial Real Estate \| Term Extension 1
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	36 months
Maximum \| Commercial Real Estate \| Term Extension 2
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	18 months
Minimum \| Commercial and industrial \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	3 months
Minimum \| Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Weighted average contractual interest rate	1.00%	1.00%
Minimum \| Commercial Real Estate
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification		6 months
Weighted average contractual interest rate	8.06%
Minimum \| Commercial Real Estate \| Term Extension 1
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	6 months
Minimum \| Commercial Real Estate \| Term Extension 2
Financing Receivable, Modified [Line Items]
Weighted average term increase from modification	12 months