Intangible Assets (Summary Of Intangible Assets, Net Of Accumulated Amortization Included In The Consolidated Statements) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill, Beginning balance	$ 141,943		$ 134,242
Goodwill, Amortization expense	0		0
Goodwill, Ending balance	141,943		134,242
Other Intangible Assets, Beginning Balance	21,988	[1]	22,700	[1]
Other Intangible Assets, Amortization expense	(981)	[1]	(928)	[1]
Other Intangible Assets, Ending Balance	$ 21,007	[1]	$ 21,772	[1]

[1] Represents customer lists, acquired contracts, core deposit intangibles, and covenants not to compete.