Loans and Leases (Changes In Carrying Value Of Acquired Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Acquired	$ 1,029,426	$ 1,809,235
Carrying Value of Acquired Impaired Loans [Roll Forward]
Beginning balance	1,809,235	2,362,152
Reductions for repayments, foreclosures and changes in carrying value, net of accretion	(779,809)	(552,917)
Ending balance		1,809,235
Outstanding principal balance	1,833,955	3,281,958
Loans on the Cost Recovery Method
Carrying Value of Acquired Impaired Loans [Roll Forward]
Ending balance	$ 28,493	$ 74,479