Segments (Schedule Of Financial Information By Segment) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Net interest income		$ 269,102	$ 248,999
Provision for credit losses		(14,487)	(4,787)
Non-interest income		158,949	148,848
INVESTMENT SECURITIES GAINS (LOSSES), NET	[1]	(7,591)	(259)
Non-interest expense		(238,376)	(245,697)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		167,597	147,104
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net interest income		(11,557)	(29,043)
Provision for credit losses		(3,705)	4,141
Non-interest income		1,324	2,312
INVESTMENT SECURITIES GAINS (LOSSES), NET		(7,591)	(259)
Non-interest expense		(10,048)	(25,073)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		(31,577)	(47,922)
Consumer segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		125,385	128,157
Provision for credit losses		(10,250)	(8,888)
Non-interest income		23,987	24,335
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(83,805)	(80,717)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		55,317	62,887
Commercial segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		133,115	126,687
Provision for credit losses		(532)	(41)
Non-interest income		69,599	63,802
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(103,244)	(100,356)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		98,938	90,092
Wealth segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		22,159	23,198
Provision for credit losses		0	1
Non-interest income		64,039	58,399
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(41,279)	(39,551)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		$ 44,919	$ 42,047

[1] Available for sale debt securities, equity securities, and other securities.