Goodwill and Intangible Assets (Carrying Amount Of Goodwill And Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			$ 1,388,243
Goodwill, Adjustments			168
Goodwill, Ending balance	$ 1,388,411		1,388,411
Intangible assets, Beginning balance			133,279
Intangible assets, Adjustments			(210)
Intangible assets, Amortization	(6,000)	$ (4,600)	(11,838)	$ (9,070)
Intangible assets, Ending balance	121,231		121,231
Global Wealth Management [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			335,009
Goodwill, Adjustments			0
Goodwill, Ending balance	335,009		335,009
Intangible assets, Beginning balance			28,687
Intangible assets, Adjustments			0
Intangible assets, Amortization			(2,226)
Intangible assets, Ending balance	26,461		26,461
Institutional Group [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			1,053,234
Goodwill, Adjustments			168
Goodwill, Ending balance	1,053,402		1,053,402
Intangible assets, Beginning balance			104,592
Intangible assets, Adjustments			(210)
Intangible assets, Amortization			(9,612)
Intangible assets, Ending balance	$ 94,770		$ 94,770