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				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill, Beginning balance					$ 141,943		$ 134,242
Goodwill, Amortization expense					0		0
Goodwill, Additions					0		6,237	[1]
Goodwill, Ending balance	141,943		140,479	[1]	141,943		140,479	[1]
Other Intangible Assets, Beginning Balance					21,988	[2]	22,700	[2]
Other Intangible Assets, Amortization expense	(981)	[2]	(928)	[2]	(1,963)	[2]	(1,856)	[2]
Other Intangible Assets, Additions							2,300	[2]
Other Intangible Assets, Ending Balance	$ 20,025	[2]	$ 23,144	[2]	$ 20,025	[2]	$ 23,144	[2]

[1] June 30, 2013 balance has been re-presented due to purchase accounting adjustments made in third quarter 2013.

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