Goodwill And Other Intangible Assets (Gross Carrying Value And Accumulated Amortization Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 54,119	$ 54,119
Accumulated Amortization	(38,429)	(32,842)
Net Carrying Amount	15,690	21,277
Retail Banking [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	49,420	49,420
Accumulated Amortization	(34,182)	(29,215)
Net Carrying Amount	15,238	20,205
Other (HSA Bank) [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,699	4,699
Accumulated Amortization	(4,247)	(3,627)
Net Carrying Amount	$ 452	$ 1,072