Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) (Loan Portfolio Hedging [Member], USD $) In Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Interest Rate Swaps [Member] | Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional	$ 196,250		$ 211,583		$ 196,250		$ 211,583
Liabilities	11,129		20,161		11,129		20,161
Gains/(Losses)	2,116		(164)		6,068		(940)
Trust Preferred Loans [Member] | Hedged Items [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Assets, Trust Preferred Loans	196,250	[1],[2]	211,583	[1],[2]	196,250	[1],[2]	211,583	[1],[2]
Gains/(Losses)	$ (2,100)	[1],[3]	$ 178	[1],[3]	$ (6,043)	[1],[3]	$ 960	[1],[3]

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

[2] Represents principal balance being hedged.

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