Loans and Allowance for Credit Losses - Financial Impact of Modifications (Details)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Commercial loans \| Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 month
Weighted-Average Term Extension and Payment Delays (in months)		22 months
Commercial loans \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	15 months	10 months
Weighted-Average Payment Deferral (in months)		6 months
Weighted-Average Term Extension and Payment Delays (in months)	5 months
Consumer loans \| Consumer real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	188 months	101 months

Financing Receivable, Modified, Weighted Average Term Extension And Payment Deferral, Period

No definition available.

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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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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- Definition

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.

+ References

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