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Allowance For Credit Losses (Financial Impact Of Modifications To Troubled Borrowers) (Details) | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Commercial And Industrial [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 1 year | 5 months 1 day
Commercial And Industrial [Member] | Payment Deferral |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Payments deferral |  | 0.17
Commercial Real Estate Mortgage - Owner-Occupied [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 8 months 1 day | 6 months
Commercial Real Estate Construction - Owner-Occupied [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension |  | 5 months 1 day
Commercial investor real estate mortgage [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 6 months 29 days |
Residential First Mortgage [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 6 years | 5 years
Residential First Mortgage [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 9 years | 7 years
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | 1.00% | 1.00%
Home Equity Lines of Credit[Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension |  | 20 years
Home Equity Lines of Credit[Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 19 years |
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | 2.00% |
Home Equity Loan [Member] | Extended Maturity |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 12 years | 11 years
Home Equity Loan [Member] | Extended Maturity and Interest Rate Reduction |  |
Financing Receivable, Modifications [Line Items] |  |
Financial Effect, Term Extension | 25 years | 17 years
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | 2.00% | 2.00%

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-42 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-33 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-34 + Details
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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 + Details
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