Allowance for Credit Losses (Schedule Of Financial Difficulty and Modification) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0003
Financing receivables modified as troubled debt restructurings within the previous 12 months	$ 0
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	1,355
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	429
Combination - Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	207
Combination - Term Extension and Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	1,938
Combination - Principal forgiveness and other than insignificant payment delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 8,987
Commercial | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0006
Commercial | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0002
Commercial | Term Extension | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 1,355
Financing receivable, modified, weighted average term increase from modification	10 months
Financing receivable, modified, payment deferral, period	9 months
Commercial | Term Extension | Leases & equipment finance, 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
Commercial | Payment Deferral | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	429
Commercial | Combination - Interest Rate Reduction and Term Extension | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Commercial | Combination - Interest Rate Reduction and Term Extension | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Commercial | Combination - Term Extension and Principal Forgiveness | Lines of credit & other, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Commercial | Combination - Term Extension and Principal Forgiveness | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Commercial | Combination - Principal forgiveness 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
Commercial | Combination - Principal forgiveness and other than insignificant payment delay | Leases & equipment finance, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0
Residential | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0018
Residential | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
% of total class of financing receivable	0.0001
Residential | Term Extension | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0
Financing receivable, modified, weighted average term increase from modification	13 years 3 months 18 days
Residential | Term Extension | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 0
Residential | Payment Deferral | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Residential | Payment Deferral | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Residential | Combination - Interest Rate Reduction and Term Extension | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Residential | Combination - Interest Rate Reduction and Term Extension | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 207
Financing receivable, modified, weighted average term increase from modification	7 years 1 month 6 days
Financing receivable, modified, weighted average interest rate decrease from modification	3.24%
Residential | Combination - Term Extension and Principal Forgiveness | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	$ 1,938
Residential | Combination - Term Extension and Principal Forgiveness | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Residential | Combination - Principal forgiveness and other than insignificant payment delay | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	8,987
Financing receivable, modified, increase (decrease) from modification	320
Residential | Combination - Principal forgiveness and other than insignificant payment delay | Home equity loans & lines, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period, amount	0
Residential | Principal Forgiveness | Mortgage, net
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified, increase (decrease) from modification	$ 179