Loans And Allowance For Credit Losses (Gross Charge-Offs by Origination Year) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Current Fiscal Year	$ 6
Two Years Before Current Fiscal Year		$ 44
Three Years Before Current Fiscal Year		158
Four Years Before Current Fiscal Year	221	27
Prior	140	15
Revolving Loans Amortized Cost Basis	12
Revolving Loans Converted to Term	13
Total	392	244
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Revolving Loans Converted to Term	12
Total	12
Consumer [Member] \| Consumer Open-End [Member]
Financing Receivable, Recorded Investment [Line Items]
Three Years Before Current Fiscal Year		48
Prior		6
Revolving Loans Amortized Cost Basis	12
Revolving Loans Converted to Term	1
Total	13	54
Consumer [Member] \| Consumer Closed-End [Member]
Financing Receivable, Recorded Investment [Line Items]
Fiscal Year Before Current Fiscal Year	6
Two Years Before Current Fiscal Year		44
Three Years Before Current Fiscal Year		110
Four Years Before Current Fiscal Year	221	27
Prior	140
Total	$ 367	181
Residential [Member] \| Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Prior		9
Total		$ 9

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

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