Goodwill And Other Intangible Assets (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Aug. 31, 2013
Goodwill [Line Items]
Discount Rate Used In Income Approach					10.10%
Discount Rate Used in Income Approach 2					13.00%
Long term growth rate					4.00%
Amortization of intangible assets	$ 1,242	$ 1,384	$ 3,726	$ 4,178
Consumer Deposits Reporting Unit [Member]
Goodwill [Line Items]
Fair value of reporting unit exceeds carrying value	52.50%		52.50%
Small Business [Member]
Goodwill [Line Items]
Fair value of reporting unit exceeds carrying value	18.10%		18.10%
Other (HSA Bank) [Member]
Goodwill [Line Items]
Fair value of reporting unit exceeds carrying value	257.80%		257.80%