Summary Of Significant Accounting Policies (Schedule Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Goodwill And Segment Reporting [Line Items]
Carrying Amount	$ 1,249,198
Fair Value	1,226,000
Allocated Goodwill	316,340	316,340
Commercial Lending Unit [Member]
Goodwill And Segment Reporting [Line Items]
Carrying Amount	647,628
Fair Value	124,000
Retail Banking Unit [Member]
Goodwill And Segment Reporting [Line Items]
Carrying Amount	390,003
Fair Value	708,000
Fair Value in Excess of Carrying Amount	81.50%
Allocated Goodwill	235,195
East Coast Operations [Member]
Goodwill And Segment Reporting [Line Items]
Carrying Amount	211,567
Fair Value	394,000
Fair Value in Excess of Carrying Amount	86.20%
Allocated Goodwill	$ 81,145

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-Name Statement of Financial Accounting Standard (FAS)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details