Loans And Allowance For Credit Losses (Amortized Cost Basis of Loans to Borrowers with Financial Difficulty with a Payment Default) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 1,213	$ 1,469
Payment Deferral
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	802	1,007
Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	254	304
Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	157	158
Personal Banking Portfolio Segment [Member] | Real estate - personal
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	802	1,007
Personal Banking Portfolio Segment [Member] | Real estate - personal | Payment Deferral
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	802	1,007
Personal Banking Portfolio Segment [Member] | Real estate - personal | Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	0
Personal Banking Portfolio Segment [Member] | Real estate - personal | Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	0
Personal Banking Portfolio Segment [Member] | Consumer
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	19	30
Personal Banking Portfolio Segment [Member] | Consumer | Payment Deferral
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	0
Personal Banking Portfolio Segment [Member] | Consumer | Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	19	30
Personal Banking Portfolio Segment [Member] | Consumer | Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	0
Personal Banking Portfolio Segment [Member] | Consumer credit card
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	392	432
Personal Banking Portfolio Segment [Member] | Consumer credit card | Payment Deferral
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	0
Personal Banking Portfolio Segment [Member] | Consumer credit card | Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	235	274
Personal Banking Portfolio Segment [Member] | Consumer credit card | Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 157	$ 158