Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) (USD $) In Thousands, unless otherwise specified						3 Months Ended		6 Months Ended		3 Months Ended				6 Months Ended
	Jun. 30, 2012		Dec. 31, 2011	Jun. 30, 2011		Jun. 30, 2012 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Jun. 30, 2011 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Jun. 30, 2012 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Jun. 30, 2011 Hedging Instruments [Member] Loan Portfolio Hedging [Member] Interest Rate Swaps [Member]	Jun. 30, 2012 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Jun. 30, 2011 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Jun. 30, 2012 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]		Jun. 30, 2011 Hedged Items [Member] Loan Portfolio Hedging [Member] Trust Preferred Loans [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional						$ 166,750	$ 201,583	$ 166,750	$ 201,583
Loans, net of unearned income	16,185,763	[1],[2]	16,397,127	16,061,646	[1],[2]					166,750	[3],[4]	201,583	[3],[4]	166,750	[3],[4]	201,583	[3],[4]
Interest Rate Derivative Liabilities at Fair Value						5,036	13,246	5,036	13,246
Gains/(Losses)						1,980	856	3,772	3,952
Gains/(Losses)										$ (1,965)	[3],[5]	$ (842)	[3],[5]	$ (3,755)	[3],[5]	$ (3,943)	[3],[5]

[1] Balances as of June 30, 2012 and 2011 include $19.0 million and $29.9 million of reserves, respectively, and $447.5 million and $649.2 million of balances in restricted consumer real estate loans and secured borrowings, respectively.

[2] Balances as of June 30, 2012 and 2011 include $1.3 million and $3.1 million of reserves, respectively, and $16.9 million and $44.9 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.