Accumulated Other Comprehensive (Loss) Income (Schedule Of Amounts Reclassified Out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities (losses) gains reclassified into earnings	$ (1)	$ 773
Related income tax expense	(7,132)	(6,259)
Net income available to common shareholders	29,523	24,341
Securities available-for-sale: | Amounts reclassified from Other Comprehensive (Loss) Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities (losses) gains reclassified into earnings	(1)	773
Related income tax expense	0	(185)
Net income available to common shareholders	$ (1)	$ 588