Goodwill and Intangible Assets (Carrying Amount Of Goodwill and Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			$ 1,395,218
Goodwill, Adjustments			83,669
Goodwill, Ending balance	$ 1,478,887		1,478,887
Intangible assets, Beginning balance			113,574
Intangible assets, Adjustments			12,818
Intangible assets, Amortization	(5,500)	$ (6,000)	(10,937)	$ (11,838)
Intangible assets, Ending balance	115,455		115,455
Global Wealth Management [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			335,009
Goodwill, Adjustments			17,388
Goodwill, Ending balance	352,397		352,397
Intangible assets, Beginning balance			24,385
Intangible assets, Adjustments			5,031
Intangible assets, Amortization			(1,863)
Intangible assets, Ending balance	27,553		27,553
Institutional Group [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance			1,060,209
Goodwill, Adjustments			66,281
Goodwill, Ending balance	1,126,490		1,126,490
Intangible assets, Beginning balance			89,189
Intangible assets, Adjustments			7,787
Intangible assets, Amortization			(9,074)
Intangible assets, Ending balance	$ 87,902		$ 87,902