Allowance for Credit Losses (Schedule Of Financial Difficulty and Modification) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0005	0.0013
Financing Receivable, Modified in Period, Nonaccrual, Amount	$ 619	$ 1,782
Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	18,670	43,775
Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	117
60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	110	746
90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	275	2,139
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	1,043
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	3,623	6,782
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	13,228	35,031
Term Extension and Other-than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	2,823	$ 5,703
Commercial real estate | Owner occupied term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable		0.0001
Financing Receivable, Modified in Period, Nonaccrual, Amount		$ 666
Commercial real estate | Owner occupied term, net | Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		0
Commercial real estate | Owner occupied term, net | Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		0
Commercial real estate | Owner occupied term, net | 60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		0
Commercial real estate | Owner occupied term, net | 90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		0
Commercial real estate | Interest Rate Reduction | Owner occupied term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 666
Financing receivable, modified, weighted average interest rate decrease from modification		4.00%
Commercial real estate | Term Extension | Owner occupied term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 0
Financing receivable, modified, weighted average term increase from modification		6 years 4 months 24 days
Commercial real estate | Payment Deferral | Owner occupied term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 0
Commercial real estate | Term Extension and Other-than-Insignificant Payment Delay | Owner occupied term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 0
Commercial | Term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable		0.0002
Financing Receivable, Modified in Period, Nonaccrual, Amount	0	$ 377
Commercial | Term, net | Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	94
Commercial | Term, net | Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Term, net | 60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	389
Commercial | Term, net | 90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0	$ 0
Commercial | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0011	0.0018
Financing Receivable, Modified in Period, Nonaccrual, Amount	$ 619	$ 619
Commercial | Lines of credit & other, net | Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	2,030	3,426
Commercial | Lines of credit & other, net | Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Lines of credit & other, net | 60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Lines of credit & other, net | 90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0	$ 288
Commercial | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0006	0.0009
Financing Receivable, Modified in Period, Nonaccrual, Amount	$ 0	$ 120
Commercial | Leases & equipment finance, net | Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	950	1,153
Commercial | Leases & equipment finance, net | Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	117
Commercial | Leases & equipment finance, net | 60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	24	72
Commercial | Leases & equipment finance, net | 90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	53
Commercial | Interest Rate Reduction | Term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 377
Financing receivable, modified, weighted average interest rate decrease from modification		4.15%
Commercial | Interest Rate Reduction | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	$ 0
Commercial | Interest Rate Reduction | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Term Extension | Term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 483
Financing receivable, modified, weighted average term increase from modification		7 months
Commercial | Term Extension | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 2,649	$ 4,333
Financing receivable, modified, weighted average term increase from modification	3 months	8 months
Commercial | Term Extension | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 974	$ 1,515
Financing receivable, modified, weighted average term increase from modification	9 months	9 months
Commercial | Payment Deferral | Term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		$ 0
Commercial | Payment Deferral | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0	0
Commercial | Payment Deferral | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Term Extension and Other-than-Insignificant Payment Delay | Term, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount		0
Commercial | Term Extension and Other-than-Insignificant Payment Delay | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Commercial | Term Extension and Other-than-Insignificant Payment Delay | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0	$ 0
Residential | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0026	0.0067
Financing Receivable, Modified in Period, Nonaccrual, Amount	$ 0	$ 0
Residential | Mortgage, net | Current and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	15,690	39,102
Residential | Mortgage, net | Greater than 30 to 59 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Residential | Mortgage, net | 60 to 89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	86	285
Residential | Mortgage, net | 90 Days or More and Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	275	1,798
Residential | Interest Rate Reduction | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	0
Residential | Term Extension | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0	451
Residential | Payment Deferral | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	13,228	35,031
Financing receivable, modified, increase (decrease) from modification	892	2,600
Residential | Term Extension and Other-than-Insignificant Payment Delay | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 2,823	$ 5,703
Financing receivable, modified, weighted average term increase from modification	13 years	13 years 2 months 12 days
Financing receivable, modified, increase (decrease) from modification	$ 287	$ 443