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Loans And Allowance For Credit Losses (Financial Impacts of Loan Modifications) (Details) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Commercial Portfolio Segment [Member] | Business Loan [Member] |  |  |  |
Financial Impacts of Loan Modifications and Deferrals [Line Items] |  |  |  |
Financing Receivable, Modified, Weighted Average Term Increase from Modification | 2 months | 6 months | 7 months | 6 months
Commercial Portfolio Segment [Member] | Business Real Estate Loan [Member] |  |  |  |
Financial Impacts of Loan Modifications and Deferrals [Line Items] |  |  |  |
Financing Receivable, Modified, Weighted Average Term Increase from Modification | 12 months | 11 months | 18 months | 10 months
Personal Banking Portfolio Segment [Member] | Personal Real Estate Loan [Member] |  |  |  |
Financial Impacts of Loan Modifications and Deferrals [Line Items] |  |  |  |
Financing Receivable, Modified, Weighted Average Term Increase from Modification |  | 3 months |  | 6 months
Financing Receivable, Modified, Payment Deferral | 22 years | 4 years | 23 years | 6 years
Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] |  |  |  |
Financial Impacts of Loan Modifications and Deferrals [Line Items] |  |  |  |
Financing Receivable, Modified, Payment Deferral | 8 years |  | 8 years |
Financing Receivable, Interest Rate Decrease from Modification | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%.
Personal Banking Portfolio Segment [Member] | Credit Card Receivable [Member] |  |  |  |
Financial Impacts of Loan Modifications and Deferrals [Line Items] |  |  |  |
Financing Receivable, Interest Rate Decrease from Modification | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%. | Reduced contractual interest rate from average 22% to 6%.

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