Loans And Allowance For Credit Losses (Gross Charge-Offs by Origination Year) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		$ 19
Fiscal Year Before Current Fiscal Year	$ 8	33
Two Years Before Current Fiscal Year	74	19
Three Years Before Current Fiscal Year		17
Prior	2	141
Revolving Loans Amortized Cost Basis		7
Total	84	236
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Current Fiscal Year	8
Three Years Before Current Fiscal Year		17
Prior		132
Total	8	149
Consumer [Member] \| Consumer Open-End [Member]
Financing Receivable, Recorded Investment [Line Items]
Prior	2	6
Revolving Loans Amortized Cost Basis		7
Total	2	13
Consumer [Member] \| Consumer Closed-End [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Fiscal Year		19
Fiscal Year Before Current Fiscal Year		33
Two Years Before Current Fiscal Year	74	19
Total	$ 74	71
Residential [Member] \| Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Prior		3
Total		$ 3

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

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Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
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-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
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