Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) (USD $) In Thousands, unless otherwise specified						3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended
	Sep. 30, 2012		Dec. 31, 2011	Sep. 30, 2011		Sep. 30, 2012 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swap [Member]	Sep. 30, 2011 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swap [Member]	Sep. 30, 2012 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swap [Member]	Sep. 30, 2011 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swap [Member]	Sep. 30, 2012 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Sep. 30, 2011 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Sep. 30, 2012 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Sep. 30, 2011 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional						$ 128,750	$ 196,250	$ 128,750	$ 196,250
Loans, net of unearned income	16,523,783	[1],[2]	16,397,127	16,241,402	[1],[2]					128,750	[3],[4]	196,250	[3],[4]	128,750	[3],[4]	196,250	[3],[4]
Interest Rate Derivative Liabilities at Fair Value						3,411	11,129	3,411	11,129
Gains/(Losses)						1,625	2,116	5,398	6,068
Gains/(Losses)										$ (1,601)	[3],[5]	$ (2,100)	[3],[5]	$ (5,356)	[3],[5]	$ (6,043)	[3],[5]

[1] Balances as of September 30, 2012 and 2011 include $14.7 million and $26.9 million of reserves, respectively, and $417.0 million and $623.3 million of balances in restricted consumer real estate loans and secured borrowings, respectively.

[2] Balances as of September 30, 2012 and 2011 include $.6 million and $5.5 million of reserves, respectively, and $14.2 million and $42.4 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.