Loans, Leases, and Allowance for Credit Losses (Summary of Financial Impact of Loan Modifications) (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.60%	1.10%	1.00%	3.40%
Weighted-average term extension (in months)	3 months	12 months	12 months	13 months
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.60%	1.00%	0.10%	3.70%
Weighted-average term extension (in months)	3 months	8 months	10 months	8 months
Commercial \| Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.60%	1.00%	0.10%	1.00%
Weighted-average term extension (in months)	3 months	8 months	8 months	9 months
Commercial \| Owner-occupied
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.10%	4.40%
Weighted-average term extension (in months)	1 month	7 months	4 months	7 months
Commercial \| Municipal
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%		0.00%
Weighted-average term extension (in months)	0 months		61 months
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.00%	0.00%
Weighted-average term extension (in months)	3 months	14 months	11 months	15 months
Commercial real estate \| Construction and land development
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.00%	0.00%
Weighted-average term extension (in months)	5 months	6 months	14 months	6 months
Commercial real estate \| Term
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	0.00%	0.00%	0.00%
Weighted-average term extension (in months)	3 months	18 months	11 months	17 months
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	1.30%	4.80%	1.30%
Weighted-average term extension (in months)	0 months	87 months	67 months	87 months
Consumer \| Home equity credit line
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%		6.80%
Weighted-average term extension (in months)	0 months		42 months
Consumer \| 1-4 family residential
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%	1.30%	1.30%	1.30%
Weighted-average term extension (in months)	0 months	110 months	78 months	110 months
Consumer \| Bankcard and other revolving plans
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)		0.00%		0.00%
Weighted-average term extension (in months)		65 months		61 months
Consumer \| Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Weighted-average interest rate reduction (in percentage points)	0.00%		0.00%
Weighted-average term extension (in months)	0 months		71 months

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
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

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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.

+ References

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