Loans and Allowance for Credit Losses - Term Extension on Modified Loans (Details)	12 Months Ended
Dec. 31, 2023
Real estate - commercial mortgage \| Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications, added weighted average life (in years)	1 year 2 months 19 days
Commercial and Industrial \| Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications, added weighted average life (in years)	11 months 1 day
Real estate – residential mortgage \| Extended Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications, added weighted average life (in years)	8 years 1 month 6 days
Real estate – residential mortgage \| Extended Maturity and Interest Rate Reduction \| Minimum
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modification, reduced weighted-average interest rate	3.76%
Real estate – residential mortgage \| Extended Maturity and Interest Rate Reduction \| Maximum
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modification, reduced weighted-average interest rate	2.30%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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