Segments (Schedule Of Financial Information By Segment) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net interest income		$ 248,999	$ 251,623
Provision for credit losses		(4,787)	(11,456)
Non-interest income		148,848	137,612
INVESTMENT SECURITIES GAINS (LOSSES), NET	[1]	(259)	(306)
Non-interest expense		(245,697)	(224,107)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		147,104	153,366
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Net interest income		(31,519)	(57,989)
Provision for credit losses		4,141	(4,744)
Non-interest income		2,312	2,041
INVESTMENT SECURITIES GAINS (LOSSES), NET		(259)	(306)
Non-interest expense		(25,146)	(13,467)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		(50,471)	(74,465)
Consumer segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		129,676	144,460
Provision for credit losses		(8,888)	(6,306)
Non-interest income		24,335	24,303
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(80,644)	(77,370)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		64,479	85,087
Commercial segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		126,687	137,127
Provision for credit losses		(41)	(393)
Non-interest income		63,802	58,324
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(100,356)	(93,685)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		90,092	101,373
Wealth segment | Operating Segments
Segment Reporting Information [Line Items]
Net interest income		24,155	28,025
Provision for credit losses		1	(13)
Non-interest income		58,399	52,944
INVESTMENT SECURITIES GAINS (LOSSES), NET		0	0
Non-interest expense		(39,551)	(39,585)
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest		$ 43,004	$ 41,371

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