Goodwill And Other Intangible Assets (Summary Of Core Deposit Intangibles) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Gross carrying amount	$ 21,190	$ 21,190
Accumulated amortization	(14,397)	(13,011)
Total	6,793	8,179
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	8,179	9,651
Amortization expense	(1,386)	(1,472)
Ending balance	$ 6,793	$ 8,179