Goodwill And Intangible Assets (Carrying Amount Of Goodwill And Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance	$ 795,026
Goodwill, Net additions	6,220
Goodwill, Impairment losses
Goodwill, Ending balance	801,246
Intangible assets, Beginning balance	54,563
Intangible assets, Net additions
Intangible assets, Amortization	(1,942)	(6,481)
Intangible assets, Ending balance	52,621
Global Wealth Management [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance	177,171
Goodwill, Impairment losses
Goodwill, Ending balance	177,171
Intangible assets, Beginning balance	23,503
Intangible assets, Net additions
Intangible assets, Amortization	(1,206)
Intangible assets, Ending balance	22,297
Institutional Group [Member]
Schedule of Goodwill and Intangible Assets [Line Items]
Goodwill, Beginning balance	617,855
Goodwill, Net additions	6,220
Goodwill, Impairment losses
Goodwill, Ending balance	624,075
Intangible assets, Beginning balance	31,060
Intangible assets, Net additions
Intangible assets, Amortization	(736)
Intangible assets, Ending balance	$ 30,324