Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Estimated Useful Lives Of Assets

Type	Estimated Useful Life
Buildings	15 to 45 years
Building improvements	5 to 20 years
Furniture, fixtures, and equipment	3 to 25 years
Leasehold improvements	Shorter of useful lives or the terms of the leases

Schedule Of Goodwill

Reporting Units	Carrying Amount		Fair Value		Fair Value in Excess of Carrying Amount			Allocated Goodwill
	(Dollars in thousands)
Commercial Lending Unit	$	647,628	$	124,000		—			—
Retail Banking Unit		390,003		708,000		81.5	%		235,195
East Coast Operations		211,567		394,000		86.2	%		81,145
Total	$	1,249,198	$	1,226,000				$	316,340