Loans And Allowance For Credit Losses (Amortized Cost Basis of Loans to Borrowers with Financial Difficulty with a Payment Default) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 83
Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	71
Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	12
Personal Banking Portfolio Segment [Member] | Consumer
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	8
Personal Banking Portfolio Segment [Member] | Consumer | Interest Rate Below Market Reduction
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	8
Personal Banking Portfolio Segment [Member] | Consumer | Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0
Personal Banking Portfolio Segment [Member] | Consumer credit card
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	75
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	63
Personal Banking Portfolio Segment [Member] | Consumer credit card | Interest/Fees Forgiven
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 12