Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) (USD $) In Thousands, unless otherwise specified						3 Months Ended
	Mar. 31, 2012		Dec. 31, 2011	Mar. 31, 2011		Mar. 31, 2012 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Mar. 31, 2011 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Mar. 31, 2012 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Mar. 31, 2011 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional						$ 196,250	$ 201,583
Loans, net of unearned income	15,971,330	[1],[2]	16,397,127	15,972,372	[1],[2]			196,250	[3],[4]	201,583	[3],[4]
Interest Rate Derivative Liabilities at Fair Value						7,017	14,102
Gains/(Losses)						1,792	3,096
Gains/(Losses)								$ (1,790)	[3],[5]	$ (3,101)	[3],[5]

[1] Balances as of March 31, 2012 and 2011 include $20.1 million and $36.5 million of reserves, respectively, and $467.0 million and $672.4 million of balances in restricted consumer real estate loans and secured borrowings, respectively.

[2] Balances as of March 31, 2012 and 2011 include $5.4 million and $3.3 million of reserves, respectively, and $38.0 million and $49.9 million of balances in restricted permanent mortgage loans and secured borrowings, respectively.

[3] Assets included in the Loans, net of unearned income section of the Consolidated Condensed Statements of Condition.

[4] Represents principal balance being hedged.

[5] Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships.