Goodwill and Other Intangible Assets (Schedule of Goodwill Allocated by Operating Segments) (Details) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Goodwill	$ 125,585	$ 125,585
Consumer Segment [Member]
Goodwill	67,765	67,765
Commercial Segment [Member]
Goodwill	57,074	57,074
Wealth Segment [Member]
Goodwill	$ 746	$ 746

Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 43

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant