Allowance for Credit Losses (Schedule Of Newly Restructured Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total troubled debt restructurings, net of deferred fees and costs	$ 9,314	$ 7	$ 15,016	$ 1,967
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total troubled debt restructurings, net of deferred fees and costs	0	0	0	118
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total troubled debt restructurings, net of deferred fees and costs	8,508	0	8,508	1,842
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total troubled debt restructurings, net of deferred fees and costs	756	7	6,434	7
Consumer & Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total troubled debt restructurings, net of deferred fees and costs	$ 50	$ 0	$ 74	$ 0